13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Quality Program OpenGL (ES) Module 33c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * ----------------------------------------------- 43c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 53c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Copyright 2014 The Android Open Source Project 63c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 73c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Licensed under the Apache License, Version 2.0 (the "License"); 83c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * you may not use this file except in compliance with the License. 93c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * You may obtain a copy of the License at 103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * http://www.apache.org/licenses/LICENSE-2.0 123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * Unless required by applicable law or agreed to in writing, software 143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * distributed under the License is distributed on an "AS IS" BASIS, 153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * See the License for the specific language governing permissions and 173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * limitations under the License. 183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * 193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*! 203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \file 213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * \brief Texture test utilities. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glsTextureTestUtil.hpp" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluDefs.hpp" 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluDrawUtil.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluRenderContext.hpp" 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deRandom.hpp" 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTestLog.hpp" 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuVectorUtil.hpp" 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTextureUtil.hpp" 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuImageCompare.hpp" 333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuStringTemplate.hpp" 343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTexLookupVerifier.hpp" 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTexCompareVerifier.hpp" 363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glwEnums.hpp" 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glwFunctions.hpp" 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "qpWatchDog.h" 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deStringUtil.hpp" 403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::TestLog; 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::vector; 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::string; 443c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::map; 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace deqp 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace gls 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace TextureTestUtil 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 53b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulosenum 54b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos{ 55b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos MIN_SUBPIXEL_BITS = 4 56b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos}; 57b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 583c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySamplerType getSamplerType (tcu::TextureFormat format) 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry using tcu::TextureFormat; 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (format.type) 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT8: 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT16: 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT32: 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_INT; 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT8: 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT32: 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_1010102_REV: 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_UINT; 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Texture formats used in depth/stencil textures. 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT16: 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_24_8: 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FLOAT : SAMPLERTYPE_UINT; 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FLOAT; 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 843c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySamplerType getFetchSamplerType (tcu::TextureFormat format) 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry using tcu::TextureFormat; 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (format.type) 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT8: 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT16: 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT32: 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_INT; 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT8: 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT32: 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_1010102_REV: 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_UINT; 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Texture formats used in depth/stencil textures. 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT16: 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_24_8: 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FETCH_FLOAT : SAMPLERTYPE_FETCH_UINT; 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_FLOAT; 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture1DView getSubView (const tcu::Texture1DView& view, int baseLevel, int maxLevel) 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture1DView(numLevels, view.getLevels()+clampedBase); 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture2DView getSubView (const tcu::Texture2DView& view, int baseLevel, int maxLevel) 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture2DView(numLevels, view.getLevels()+clampedBase); 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1263c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::TextureCubeView getSubView (const tcu::TextureCubeView& view, int baseLevel, int maxLevel) 1273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1308852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess* levels[tcu::CUBEFACE_LAST]; 1323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int face = 0; face < tcu::CUBEFACE_LAST; face++) 1343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levels[face] = view.getFaceLevels((tcu::CubeFace)face) + clampedBase; 1353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::TextureCubeView(numLevels, levels); 1373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1393c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture3DView getSubView (const tcu::Texture3DView& view, int baseLevel, int maxLevel) 1403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture3DView(numLevels, view.getLevels()+clampedBase); 1453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyrystatic tcu::TextureCubeArrayView getSubView (const tcu::TextureCubeArrayView& view, int baseLevel, int maxLevel) 1488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 1498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1508852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return tcu::TextureCubeArrayView(numLevels, view.getLevels()+clampedBase); 1538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 1548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 1553c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float linearInterpolate (float t, float minVal, float maxVal) 1563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return minVal + (maxVal - minVal) * t; 1583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1603c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline tcu::Vec4 linearInterpolate (float t, const tcu::Vec4& a, const tcu::Vec4& b) 1613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return a + (b - a) * t; 1633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1653c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float bilinearInterpolate (float x, float y, const tcu::Vec4& quad) 1663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w00 = (1.0f-x)*(1.0f-y); 1683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w01 = (1.0f-x)*y; 1693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w10 = x*(1.0f-y); 1703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w11 = x*y; 1713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return quad.x()*w00 + quad.y()*w10 + quad.z()*w01 + quad.w()*w11; 1723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1743c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triangleInterpolate (float v0, float v1, float v2, float x, float y) 1753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return v0 + (v2-v0)*x + (v1-v0)*y; 1773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1793c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triangleInterpolate (const tcu::Vec3& v, float x, float y) 1803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(v.x(), v.y(), v.z(), x, y); 1823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1843c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triQuadInterpolate (float x, float y, const tcu::Vec4& quad) 1853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Top left fill rule. 1873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (x + y < 1.0f) 1883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.x(), quad.y(), quad.z(), x, y); 1893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 1903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.w(), quad.z(), quad.y(), 1.0f-x, 1.0f-y); 1913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1933c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt, int x, int y, int width, int height) 1943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (&surface) 1953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (getColorMask(colorFmt)) 1963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (x) 1973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (y) 1983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (width) 1993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (height) 2003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2033c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt) 2043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (&surface) 2053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (getColorMask(colorFmt)) 2063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (0) 2073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (0) 2083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (surface.getWidth()) 2093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (surface.getHeight()) 2103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2133c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (const SurfaceAccess& parent, int x, int y, int width, int height) 2143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (parent.m_surface) 2153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (parent.m_colorMask) 2163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (parent.m_x + x) 2173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (parent.m_y + y) 2183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (width) 2193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (height) 2203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 1D lookup LOD computation. 2243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2253c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dudy) 2263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note [mika] Min and max bounds equal to exact with 1D textures 2313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 2323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 2333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 2343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 2353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 2423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2443c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, deInt32 srcSize, const tcu::Vec3& sq) 2453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize; 2473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize; 2483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 2493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 2503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, duy/dy); 2523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 2D lookup LOD computation. 2553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy) 2573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 2623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy)); 2633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 2663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 2673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 2693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); 2703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = mode == LODMODE_MIN_BOUND ? de::max(mu, mv) : mu + mv; 2723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 2803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2823c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, const tcu::IVec2& srcSize, const tcu::Vec3& sq, const tcu::Vec3& tq) 2833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize.x(); 2853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize.x(); 2863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); 2873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); 2883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 2893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 2903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, dvx/dx, duy/dy, dvy/dy); 2923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 3D lookup LOD computation. 2953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2963c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy) 2973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 3003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 3023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy)); 3033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 3043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 3063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 3073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 3093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); 3103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mw = de::max(deFloatAbs(dwdx), deFloatAbs(dwdy)); 3113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = mode == LODMODE_MIN_BOUND ? de::max(de::max(mu, mv), mw) : (mu + mv + mw); 3133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 3143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 3173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 3183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 3213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3233c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, const tcu::IVec3& srcSize, const tcu::Vec3& sq, const tcu::Vec3& tq, const tcu::Vec3& rq) 3243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize.x(); 3263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize.x(); 3273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); 3283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); 3293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwx = (rq.z() - rq.x()) * (float)srcSize.z(); 3303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwy = (rq.y() - rq.x()) * (float)srcSize.z(); 3313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 3323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 3333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, dvx/dx, dwx/dx, duy/dy, dvy/dy, dwy/dy); 3353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3373c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float projectedTriInterpolate (const tcu::Vec3& s, const tcu::Vec3& w, float nx, float ny) 3383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (s[0]*(1.0f-nx-ny)/w[0] + s[1]*ny/w[1] + s[2]*nx/w[2]) / ((1.0f-nx-ny)/w[0] + ny/w[1] + nx/w[2]); 3403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3423c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float triDerivateX (const tcu::Vec3& s, const tcu::Vec3& w, float wx, float width, float ny) 3433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = w[1]*w[2]*(width*(ny - 1.0f) + wx) - w[0]*(w[2]*width*ny + w[1]*wx); 3453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (w[0]*w[1]*w[2]*width * (w[1]*(s[0] - s[2])*(ny - 1.0f) + ny*(w[2]*(s[1] - s[0]) + w[0]*(s[2] - s[1])))) / (d*d); 3463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3483c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float triDerivateY (const tcu::Vec3& s, const tcu::Vec3& w, float wy, float height, float nx) 3493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = w[1]*w[2]*(height*(nx - 1.0f) + wy) - w[0]*(w[1]*height*nx + w[2]*wy); 3513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (w[0]*w[1]*w[2]*height * (w[2]*(s[0] - s[1])*(nx - 1.0f) + nx*(w[0]*(s[1] - s[2]) + w[1]*(s[2] - s[0])))) / (d*d); 3523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 1D lookup LOD. 3553c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& projection, float wx, float wy, float width, float height) 3563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dudy); 3623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 2D lookup LOD. 3653c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& v, const tcu::Vec3& projection, float wx, float wy, float width, float height) 3663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdx = triDerivateX(v, projection, wx, width, wy/height); 3703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdy = triDerivateY(v, projection, wy, height, wx/width); 3723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dvdx, dudy, dvdy); 3743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 3D lookup LOD. 3773c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& v, const tcu::Vec3& w, const tcu::Vec3& projection, float wx, float wy, float width, float height) 3783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdx = triDerivateX(v, projection, wx, width, wy/height); 3823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwdx = triDerivateX(w, projection, wx, width, wy/height); 3833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdy = triDerivateY(v, projection, wy, height, wx/width); 3853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwdy = triDerivateY(w, projection, wy, height, wx/width); 3863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy); 3883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3903c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture1DView& src, const ReferenceParams& params, float s, float lod) 3913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 3933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, lod), 0.0, 0.0, 1.0f); 3943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 3953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, lod); 3963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3983c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture2DView& src, const ReferenceParams& params, float s, float t, float lod) 3993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); 4023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, lod); 4043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4063c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::TextureCubeView& src, const ReferenceParams& params, float s, float t, float r, float lod) 4073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); 4103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, lod); 4123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4143c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture2DArrayView& src, const ReferenceParams& params, float s, float t, float r, float lod) 4153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); 4183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, lod); 4203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4223c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::TextureCubeArrayView& src, const ReferenceParams& params, float s, float t, float r, float q, float lod) 4233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, q, lod), 0.0, 0.0, 1.0f); 4263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, q, lod); 4283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4303c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture1DArrayView& src, const ReferenceParams& params, float s, float t, float lod) 4313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); 4343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, lod); 4363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4383c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture1DView& src, const tcu::Vec4& sq, const ReferenceParams& params) 4393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 4413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 4433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int srcSize = src.getWidth(); 4443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 4463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 4473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, params.minLod, params.maxLod), 4483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias, params.minLod, params.maxLod) }; 4493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 4513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 4533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 4553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 4563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 4583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 4593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 4603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 4623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 4633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, x, y); 4653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4693c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture2DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 4703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 4723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 4743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 4753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 4773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 4783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 4793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, params.minLod, params.maxLod), 4803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias, params.minLod, params.maxLod) }; 4813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 4833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 4853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 4873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 4883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 4903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 4913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 4923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 4943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 4953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 4963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); 4983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5023c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureProjected (const SurfaceAccess& dst, const tcu::Texture1DView& src, const tcu::Vec4& sq, const ReferenceParams& params) 5033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 5053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 5063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 5073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 5093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 5113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 5123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 5133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 5153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 5173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 5193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 5203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 5213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 5223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 5243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 5253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 5263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 5273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 5283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 5303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 5313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 5323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, px, py); 5343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5383c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureProjected (const SurfaceAccess& dst, const tcu::Texture2DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 5393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 5413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 5423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 5433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 5453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 vq = tq * (float)src.getHeight(); 5463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 5483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 5493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 5503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; 5513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 5523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 5543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 5563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 5583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 5593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 5603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 5613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 5633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 5643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 5653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 5663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 5673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 5693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy); 5703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 5713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 5723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, px, py); 5743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5783c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture2DView& src, const float* texCoord, const ReferenceParams& params) 5793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView view = getSubView(src, params.baseLevel, params.maxLevel); 5813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 5823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 5833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 5853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, tq, params); 5863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 5873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, tq, params); 5883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5903c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture1DView& src, const float* texCoord, const ReferenceParams& params) 5913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView view = getSubView(src, params.baseLevel, params.maxLevel); 5933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 5943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 5963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, params); 5973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 5983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, params); 5993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6013c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeCubeLodFromDerivates (LodMode lodMode, const tcu::Vec3& coord, const tcu::Vec3& coordDx, const tcu::Vec3& coordDy, const int faceSize) 6023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::selectCubeFace(coord); 6043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int maNdx = 0; 6053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sNdx = 0; 6063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tNdx = 0; 6073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Derivate signs don't matter when computing lod 6093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 6103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: 6123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: maNdx = 0; sNdx = 2; tNdx = 1; break; 6133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: 6143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: maNdx = 1; sNdx = 0; tNdx = 2; break; 6153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: 6163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: maNdx = 2; sNdx = 0; tNdx = 1; break; 6173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 6183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 6193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float sc = coord[sNdx]; 6233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tc = coord[tNdx]; 6243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ma = de::abs(coord[maNdx]); 6253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float scdx = coordDx[sNdx]; 6263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tcdx = coordDx[tNdx]; 6273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float madx = de::abs(coordDx[maNdx]); 6283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float scdy = coordDy[sNdx]; 6293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tcdy = coordDy[tNdx]; 6303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float mady = de::abs(coordDy[maNdx]); 6313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dudx = float(faceSize) * 0.5f * (scdx*ma - sc*madx) / (ma*ma); 6323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dvdx = float(faceSize) * 0.5f * (tcdx*ma - tc*madx) / (ma*ma); 6333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dudy = float(faceSize) * 0.5f * (scdy*ma - sc*mady) / (ma*ma); 6343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dvdy = float(faceSize) * 0.5f * (tcdy*ma - tc*mady) / (ma*ma); 6353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(lodMode, dudx, dvdx, dudy, dvdy); 6373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6403c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) 6413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 6433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 6443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 6453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 6463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 6483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 6493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 6503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 6513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 6523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lodBias ((params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f); 6543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 6563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 6583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 6603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 6613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 6623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 6633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 6653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 6663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 6673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), 6693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triT[triNdx], triNx, triNy), 6703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triR[triNdx], triNx, triNy)); 6713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 6723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 6733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 6743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 6753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 6763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 6773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, srcSize) + lodBias, params.minLod, params.maxLod); 6793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), lod) * params.colorScale + params.colorBias, px, py); 6813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6853c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeView& src, const float* texCoord, const ReferenceParams& params) 6863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView view = getSubView(src, params.baseLevel, params.maxLevel); 6883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 6893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 6903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 6913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return sampleTexture(dst, view, sq, tq, rq, params); 6933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// \todo [2013-07-17 pyry] Remove this! 6963c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTextureMultiFace (const SurfaceAccess& dst, const tcu::TextureCubeView& src, const float* texCoord, const ReferenceParams& params) 6973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return sampleTexture(dst, src, texCoord, params); 6993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7013c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture2DArrayView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) 7023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 7043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 7073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 7123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, 7133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias}; 7143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 7163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 7183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 7203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 7213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 7233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 7243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 7253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 7273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 7283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); 7293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 7303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, r, lod) * params.colorScale + params.colorBias, x, y); 7323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7363c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture2DArrayView& src, const float* texCoord, const ReferenceParams& params) 7373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 7393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 7403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 7413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2012-02-17 pyry] Support projected lookups. 7433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, src, sq, tq, rq, params); 7443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7463c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture1DArrayView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 7473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 7493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deInt32 srcSize = src.getWidth(); 7523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, 7573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias}; 7583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 7603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 7623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 7643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 7653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 7673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 7683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 7693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 7713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 7723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 7733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); 7753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7793c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture1DArrayView& src, const float* texCoord, const ReferenceParams& params) 7803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 7823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 7833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2014-06-09 mika] Support projected lookups. 7853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, src, sq, tq, params); 7863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7883c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture3DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) 7893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 7913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); 7943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 7993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0], triR[0]) + lodBias, params.minLod, params.maxLod), 8003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1], triR[1]) + lodBias, params.minLod, params.maxLod) }; 8013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 8033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 8053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 8073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 8083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 8103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 8113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 8123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 8143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 8153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); 8163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 8173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, x, y); 8193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8233c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureProjected (const SurfaceAccess& dst, const tcu::Texture3DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const ReferenceParams& params) 8243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 8263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 8273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 8283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 8303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 vq = tq * (float)src.getHeight(); 8313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 wq = rq * (float)src.getDepth(); 8323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 8343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 8353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 8363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 8373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; 8383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { wq.swizzle(0, 1, 2), wq.swizzle(3, 2, 1) }; 8393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triP[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 8403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 8423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 8443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 8463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 8473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 8483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 8493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 8513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 8523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 8533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 8543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 8553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triP[triNdx], triNx, triNy); 8573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = projectedTriInterpolate(triT[triNdx], triP[triNdx], triNx, triNy); 8583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = projectedTriInterpolate(triR[triNdx], triP[triNdx], triNx, triNy); 8593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triP[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 8603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 8613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, px, py); 8633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8673c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture3DView& src, const float* texCoord, const ReferenceParams& params) 8683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView view = getSubView(src, params.baseLevel, params.maxLevel); 8703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 8713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 8723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 8733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 8753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, tq, rq, params); 8763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 8773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, tq, rq, params); 8783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8803c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeArrayView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const tcu::Vec4& rq, const tcu::Vec4& qq, const ReferenceParams& params) 8813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = (float)dst.getWidth(); 8833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = (float)dst.getHeight(); 8843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 8863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 8873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 8883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 8893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triQ[2] = { qq.swizzle(0, 1, 2), qq.swizzle(3, 2, 1) }; 8903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 8913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 8933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 8953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 8973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 8993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 9003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 9013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 9023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 9043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 9053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 9063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), 9083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triT[triNdx], triNx, triNy), 9093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triR[triNdx], triNx, triNy)); 9103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordQ = triangleInterpolate(triQ[triNdx], triNx, triNy); 9123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 9143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 9153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 9163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 9173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 9183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 9193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9208852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, src.getSize()) + lodBias, params.minLod, params.maxLod); 9213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), coordQ, lod) * params.colorScale + params.colorBias, px, py); 9233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9273c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeArrayView& src, const float* texCoord, const ReferenceParams& params) 9283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[4+0], texCoord[8+0], texCoord[12+0]); 9303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[4+1], texCoord[8+1], texCoord[12+1]); 9313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[4+2], texCoord[8+2], texCoord[12+2]); 9323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 qq = tcu::Vec4(texCoord[0+3], texCoord[4+3], texCoord[8+3], texCoord[12+3]); 9333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(dst, src, sq, tq, rq, qq, params); 9353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9373c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fetchTexture (const SurfaceAccess& dst, const tcu::ConstPixelBufferAccess& src, const float* texCoord, const tcu::Vec4& colorScale, const tcu::Vec4& colorBias) 9383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 9403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 9413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 9423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 9443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 9453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 9463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 9473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 9483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 9493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 9513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triX = triNdx ? 1.0f-xf : xf; 9523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triY = triNdx ? 1.0f-yf : yf; 9533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 9553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.getPixel((int)s, 0) * colorScale + colorBias, x, y); 9573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9613c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clear (const SurfaceAccess& dst, const tcu::Vec4& color) 9623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 9643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 9653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(color, x, y); 9663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9683c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool compareImages (TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) 9693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::pixelThresholdCompare(log, "Result", "Image comparison result", reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); 9713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9733c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool compareImages (TestLog& log, const char* name, const char* desc, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) 9743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::pixelThresholdCompare(log, name, desc, reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); 9763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9783c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint measureAccuracy (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, int bestScoreDiff, int worstScoreDiff) 9793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::measurePixelDiffAccuracy(log, "Result", "Image comparison result", reference, rendered, bestScoreDiff, worstScoreDiff, tcu::COMPARE_LOG_EVERYTHING); 9813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9833c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline int rangeDiff (int x, int a, int b) 9843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (x < a) 9863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return a-x; 9873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (x > b) 9883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return x-b; 9893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 9903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return 0; 9913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9933c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline tcu::RGBA rangeDiff (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b) 9943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int rMin = de::min(a.getRed(), b.getRed()); 9963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int rMax = de::max(a.getRed(), b.getRed()); 9973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int gMin = de::min(a.getGreen(), b.getGreen()); 9983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int gMax = de::max(a.getGreen(), b.getGreen()); 9993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int bMin = de::min(a.getBlue(), b.getBlue()); 10003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int bMax = de::max(a.getBlue(), b.getBlue()); 10013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int aMin = de::min(a.getAlpha(), b.getAlpha()); 10023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int aMax = de::max(a.getAlpha(), b.getAlpha()); 10033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::RGBA(rangeDiff(p.getRed(), rMin, rMax), 10053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getGreen(), gMin, gMax), 10063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getBlue(), bMin, bMax), 10073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getAlpha(), aMin, aMax)); 10083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10103c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline bool rangeCompare (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b, tcu::RGBA threshold) 10113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::RGBA diff = rangeDiff(p, a, b); 10133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return diff.getRed() <= threshold.getRed() && 10143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getGreen() <= threshold.getGreen() && 10153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getBlue() <= threshold.getBlue() && 10163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getAlpha() <= threshold.getAlpha(); 10173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10193c827367444ee418f129b2c238299f49d3264554Jarkko PoyryRandomViewport::RandomViewport (const tcu::RenderTarget& renderTarget, int preferredWidth, int preferredHeight, deUint32 seed) 10203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : x (0) 10213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , y (0) 10223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , width (deMin32(preferredWidth, renderTarget.getWidth())) 10233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , height (deMin32(preferredHeight, renderTarget.getHeight())) 10243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::Random rnd(seed); 10263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry x = rnd.getInt(0, renderTarget.getWidth() - width); 10273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry y = rnd.getInt(0, renderTarget.getHeight() - height); 10283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10303c827367444ee418f129b2c238299f49d3264554Jarkko PoyryProgramLibrary::ProgramLibrary (const glu::RenderContext& context, tcu::TestContext& testCtx, glu::GLSLVersion glslVersion, glu::Precision texCoordPrecision) 10313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_context (context) 10323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_testCtx (testCtx) 10333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_glslVersion (glslVersion) 10343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_texCoordPrecision (texCoordPrecision) 10353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10383c827367444ee418f129b2c238299f49d3264554Jarkko PoyryProgramLibrary::~ProgramLibrary (void) 10393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry clear(); 10413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10433c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid ProgramLibrary::clear (void) 10443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (map<Program, glu::ShaderProgram*>::iterator i = m_programs.begin(); i != m_programs.end(); i++) 10463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 10473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete i->second; 10483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry i->second = DE_NULL; 10493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 10503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programs.clear(); 10513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10533c827367444ee418f129b2c238299f49d3264554Jarkko Poyryglu::ShaderProgram* ProgramLibrary::getProgram (Program program) 10543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 10563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_programs.find(program) != m_programs.end()) 10583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return m_programs[program]; // Return from cache. 10593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* vertShaderTemplate = 10613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_HEADER}" 10623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_IN} highp vec4 a_position;\n" 10633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_IN} ${PRECISION} ${TEXCOORD_TYPE} a_texCoord;\n" 10643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_OUT} ${PRECISION} ${TEXCOORD_TYPE} v_texCoord;\n" 10653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "\n" 10663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 10673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 10683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 10693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_texCoord = a_texCoord;\n" 10703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 10713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* fragShaderTemplate = 10723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${FRAG_HEADER}" 10733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${FRAG_IN} ${PRECISION} ${TEXCOORD_TYPE} v_texCoord;\n" 10743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} float u_bias;\n" 10753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} float u_ref;\n" 10763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} vec4 u_colorScale;\n" 10773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} vec4 u_colorBias;\n" 10783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} ${SAMPLER_TYPE} u_sampler;\n" 10793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "\n" 10803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 10813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 10823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${FRAG_COLOR} = ${LOOKUP} * u_colorScale + u_colorBias;\n" 10833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 10843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry map<string, string> params; 10863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isCube = de::inRange<int>(program, PROGRAM_CUBE_FLOAT, PROGRAM_CUBE_SHADOW_BIAS); 10883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isArray = de::inRange<int>(program, PROGRAM_2D_ARRAY_FLOAT, PROGRAM_2D_ARRAY_SHADOW) 10893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_1D_ARRAY_FLOAT, PROGRAM_1D_ARRAY_SHADOW); 10903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is1D = de::inRange<int>(program, PROGRAM_1D_FLOAT, PROGRAM_1D_UINT_BIAS) 10923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_1D_ARRAY_FLOAT, PROGRAM_1D_ARRAY_SHADOW) 10933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_BUFFER_FLOAT, PROGRAM_BUFFER_UINT); 10943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is2D = de::inRange<int>(program, PROGRAM_2D_FLOAT, PROGRAM_2D_UINT_BIAS) 10963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_2D_ARRAY_FLOAT, PROGRAM_2D_ARRAY_SHADOW); 10973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is3D = de::inRange<int>(program, PROGRAM_3D_FLOAT, PROGRAM_3D_UINT_BIAS); 10993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isCubeArray = de::inRange<int>(program, PROGRAM_CUBE_ARRAY_FLOAT, PROGRAM_CUBE_ARRAY_SHADOW); 11008852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry bool isBuffer = de::inRange<int>(program, PROGRAM_BUFFER_FLOAT, PROGRAM_BUFFER_UINT); 11013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_glslVersion == glu::GLSL_VERSION_100_ES) 11033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_HEADER"] = ""; 11053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_HEADER"] = ""; 11063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_IN"] = "attribute"; 11073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_OUT"] = "varying"; 11083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_IN"] = "varying"; 11093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_COLOR"] = "gl_FragColor"; 11103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (m_glslVersion == glu::GLSL_VERSION_300_ES || m_glslVersion == glu::GLSL_VERSION_310_ES || m_glslVersion == glu::GLSL_VERSION_330) 11123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const string version = glu::getGLSLVersionDeclaration(m_glslVersion); 11148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const char* ext = DE_NULL; 11158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 11168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (isCubeArray && glu::glslVersionIsES(m_glslVersion)) 11178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry ext = "GL_EXT_texture_cube_map_array"; 11188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry else if (isBuffer && glu::glslVersionIsES(m_glslVersion)) 11198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry ext = "GL_EXT_texture_buffer"; 11203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11218852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry params["FRAG_HEADER"] = version + (ext ? string("\n#extension ") + ext + " : require" : string()) + "\nlayout(location = 0) out mediump vec4 dEQP_FragColor;\n"; 11228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry params["VTX_HEADER"] = version + "\n"; 11233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_IN"] = "in"; 11243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_OUT"] = "out"; 11253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_IN"] = "in"; 11263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_COLOR"] = "dEQP_FragColor"; 11273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 11293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!"Unsupported version"); 11303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["PRECISION"] = glu::getPrecisionName(m_texCoordPrecision); 11323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (isCubeArray) 11343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec4"; 11353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (isCube || (is2D && isArray) || is3D) 11363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec3"; 11373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if ((is1D && isArray) || is2D) 11383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec2"; 11393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (is1D) 11403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "float"; 11413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 11423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 11433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* sampler = DE_NULL; 11453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* lookup = DE_NULL; 11463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_glslVersion == glu::GLSL_VERSION_300_ES || m_glslVersion == glu::GLSL_VERSION_310_ES || m_glslVersion == glu::GLSL_VERSION_330) 11483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (program) 11503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT: sampler = "sampler2D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_INT: sampler = "isampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_UINT: sampler = "usampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_SHADOW: sampler = "sampler2DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT_BIAS: sampler = "sampler2D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_INT_BIAS: sampler = "isampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_UINT_BIAS: sampler = "usampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_SHADOW_BIAS: sampler = "sampler2DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref), u_bias), 0.0, 0.0, 1.0)"; break; 11593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_FLOAT: sampler = "sampler1D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_INT: sampler = "isampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_UINT: sampler = "usampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_SHADOW: sampler = "sampler1DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_FLOAT_BIAS: sampler = "sampler1D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_INT_BIAS: sampler = "isampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_UINT_BIAS: sampler = "usampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_SHADOW_BIAS: sampler = "sampler1DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref), u_bias), 0.0, 0.0, 1.0)"; break; 11673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT: sampler = "samplerCube"; lookup = "texture(u_sampler, v_texCoord)"; break; 11683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_INT: sampler = "isamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_UINT: sampler = "usamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_SHADOW: sampler = "samplerCubeShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT_BIAS: sampler = "samplerCube"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_INT_BIAS: sampler = "isamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_UINT_BIAS: sampler = "usamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_SHADOW_BIAS: sampler = "samplerCubeShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref), u_bias), 0.0, 0.0, 1.0)"; break; 11753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_FLOAT: sampler = "sampler2DArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_INT: sampler = "isampler2DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_UINT: sampler = "usampler2DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_SHADOW: sampler = "sampler2DArrayShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_FLOAT: sampler = "sampler3D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_INT: sampler = "isampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_UINT: sampler =" usampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_FLOAT_BIAS: sampler = "sampler3D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_INT_BIAS: sampler = "isampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_UINT_BIAS: sampler =" usampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_FLOAT: sampler = "samplerCubeArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_INT: sampler = "isamplerCubeArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_UINT: sampler = "usamplerCubeArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_SHADOW: sampler = "samplerCubeArrayShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_FLOAT: sampler = "sampler1DArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_INT: sampler = "isampler1DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_UINT: sampler = "usampler1DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_SHADOW: sampler = "sampler1DArrayShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_FLOAT: sampler = "samplerBuffer"; lookup = "texelFetch(u_sampler, int(v_texCoord))"; break; 11943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_INT: sampler = "isamplerBuffer"; lookup = "vec4(texelFetch(u_sampler, int(v_texCoord)))"; break; 11953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_UINT: sampler = "usamplerBuffer"; lookup = "vec4(texelFetch(u_sampler, int(v_texCoord)))"; break; 11963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 11973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 11983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (m_glslVersion == glu::GLSL_VERSION_100_ES) 12013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampler = isCube ? "samplerCube" : "sampler2D"; 12033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (program) 12053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT: lookup = "texture2D(u_sampler, v_texCoord)"; break; 12073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT_BIAS: lookup = "texture2D(u_sampler, v_texCoord, u_bias)"; break; 12083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT: lookup = "textureCube(u_sampler, v_texCoord)"; break; 12093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT_BIAS: lookup = "textureCube(u_sampler, v_texCoord, u_bias)"; break; 12103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 12113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 12123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 12153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!"Unsupported version"); 12163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["SAMPLER_TYPE"] = sampler; 12183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["LOOKUP"] = lookup; 12193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::string vertSrc = tcu::StringTemplate(vertShaderTemplate).specialize(params); 12213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::string fragSrc = tcu::StringTemplate(fragShaderTemplate).specialize(params); 12223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::ShaderProgram* progObj = new glu::ShaderProgram(m_context, glu::makeVtxFragSources(vertSrc, fragSrc)); 12243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!progObj->isOk()) 12253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << *progObj; 12273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete progObj; 12283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TCU_FAIL("Failed to compile shader program"); 12293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry try 12323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programs[program] = progObj; 12343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry catch (...) 12363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete progObj; 12383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry throw; 12393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return progObj; 12423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12443c827367444ee418f129b2c238299f49d3264554Jarkko PoyryTextureRenderer::TextureRenderer (const glu::RenderContext& context, tcu::TestContext& testCtx, glu::GLSLVersion glslVersion, glu::Precision texCoordPrecision) 12453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_renderCtx (context) 12463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_testCtx (testCtx) 12473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_programLibrary (context, testCtx, glslVersion, texCoordPrecision) 12483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12513c827367444ee418f129b2c238299f49d3264554Jarkko PoyryTextureRenderer::~TextureRenderer (void) 12523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry clear(); 12543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::clear (void) 12573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programLibrary.clear(); 12593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12613c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::renderQuad (int texUnit, const float* texCoord, TextureType texType) 12623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry renderQuad(texUnit, texCoord, RenderParams(texType)); 12643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12663c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::renderQuad (int texUnit, const float* texCoord, const RenderParams& params) 12673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glw::Functions& gl = m_renderCtx.getFunctions(); 12693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 wCoord = params.flags & RenderParams::PROJECTED ? params.w : tcu::Vec4(1.0f); 12703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool useBias = !!(params.flags & RenderParams::USE_BIAS); 12713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 12723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool logUniforms = !!(params.flags & RenderParams::LOG_UNIFORMS); 12733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render quad with texture. 12753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float position[] = 12763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f*wCoord.x(), -1.0f*wCoord.x(), 0.0f, wCoord.x(), 12783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f*wCoord.y(), +1.0f*wCoord.y(), 0.0f, wCoord.y(), 12793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f*wCoord.z(), -1.0f*wCoord.z(), 0.0f, wCoord.z(), 12803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f*wCoord.w(), +1.0f*wCoord.w(), 0.0f, wCoord.w() 12813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 12823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const deUint16 indices[] = { 0, 1, 2, 2, 1, 3 }; 12833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Program progSpec = PROGRAM_LAST; 12853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numComps = 0; 12863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.texType == TEXTURETYPE_2D) 12873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 2; 12893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 12913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_2D_FLOAT_BIAS : PROGRAM_2D_FLOAT; break; 12933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_2D_INT_BIAS : PROGRAM_2D_INT; break; 12943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_2D_UINT_BIAS : PROGRAM_2D_UINT; break; 12953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_2D_SHADOW_BIAS : PROGRAM_2D_SHADOW; break; 12963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 12973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_1D) 13003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 1; 13023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_1D_FLOAT_BIAS : PROGRAM_1D_FLOAT; break; 13063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_1D_INT_BIAS : PROGRAM_1D_INT; break; 13073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_1D_UINT_BIAS : PROGRAM_1D_UINT; break; 13083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_1D_SHADOW_BIAS : PROGRAM_1D_SHADOW; break; 13093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_CUBE) 13133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_CUBE_FLOAT_BIAS : PROGRAM_CUBE_FLOAT; break; 13193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_CUBE_INT_BIAS : PROGRAM_CUBE_INT; break; 13203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_CUBE_UINT_BIAS : PROGRAM_CUBE_UINT; break; 13213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_CUBE_SHADOW_BIAS : PROGRAM_CUBE_SHADOW; break; 13223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_3D) 13263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_3D_FLOAT_BIAS : PROGRAM_3D_FLOAT; break; 13323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_3D_INT_BIAS : PROGRAM_3D_INT; break; 13333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_3D_UINT_BIAS : PROGRAM_3D_UINT; break; 13343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_2D_ARRAY) 13383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); // \todo [2012-02-17 pyry] Support bias. 13403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_2D_ARRAY_FLOAT; break; 13463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_2D_ARRAY_INT; break; 13473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_2D_ARRAY_UINT; break; 13483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_2D_ARRAY_SHADOW; break; 13493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_CUBE_ARRAY) 13533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); 13553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 4; 13573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_CUBE_ARRAY_FLOAT; break; 13613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_CUBE_ARRAY_INT; break; 13623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_CUBE_ARRAY_UINT; break; 13633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_CUBE_ARRAY_SHADOW; break; 13643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_1D_ARRAY) 13683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); // \todo [2012-02-17 pyry] Support bias. 13703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 2; 13723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_1D_ARRAY_FLOAT; break; 13763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_1D_ARRAY_INT; break; 13773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_1D_ARRAY_UINT; break; 13783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_1D_ARRAY_SHADOW; break; 13793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_BUFFER) 13833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 1; 13853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_FLOAT: progSpec = PROGRAM_BUFFER_FLOAT; break; 13893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_INT: progSpec = PROGRAM_BUFFER_INT; break; 13903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_UINT: progSpec = PROGRAM_BUFFER_UINT; break; 13913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 13953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 13963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::ShaderProgram* program = m_programLibrary.getProgram(progSpec); 13983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \todo [2012-09-26 pyry] Move to ProgramLibrary and log unique programs only(?) 14003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & RenderParams::LOG_PROGRAMS) 14013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << *program; 14023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_EXPECT_NO_ERROR(gl.getError(), "Set vertex attributes"); 14043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Program and uniforms. 14063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint32 prog = program->getProgram(); 14073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.useProgram(prog); 14083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1i(gl.getUniformLocation(prog, "u_sampler"), texUnit); 14103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_sampler = " << texUnit << TestLog::EndMessage; 14123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (useBias) 14143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1f(gl.getUniformLocation(prog, "u_bias"), params.bias); 14163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_bias = " << params.bias << TestLog::EndMessage; 14183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 14213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1f(gl.getUniformLocation(prog, "u_ref"), params.ref); 14233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_ref = " << params.ref << TestLog::EndMessage; 14253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform4fv(gl.getUniformLocation(prog, "u_colorScale"), 1, params.colorScale.getPtr()); 14283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform4fv(gl.getUniformLocation(prog, "u_colorBias"), 1, params.colorBias.getPtr()); 14293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_colorScale = " << params.colorScale << TestLog::EndMessage; 14333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_colorBias = " << params.colorBias << TestLog::EndMessage; 14343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_EXPECT_NO_ERROR(gl.getError(), "Set program state"); 14373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glu::VertexArrayBinding vertexArrays[] = 14403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::va::Float("a_position", 4, 4, 0, &position[0]), 14423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::va::Float("a_texCoord", numComps, 4, 0, texCoord) 14433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 14443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::draw(m_renderCtx, prog, DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], 14453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); 14463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14493c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord1D (std::vector<float>& dst, float left, float right) 14503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4); 14523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = left; 14543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[1] = left; 14553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = right; 14563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = right; 14573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14593c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord1DArray (std::vector<float>& dst, int layerNdx, float left, float right) 14603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*2); 14623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = left; dst[1] = (float)layerNdx; 14643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = left; dst[3] = (float)layerNdx; 14653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[4] = right; dst[5] = (float)layerNdx; 14663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = right; dst[7] = (float)layerNdx; 14673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14693c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord2D (std::vector<float>& dst, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 14703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*2); 14723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = bottomLeft.x(); dst[1] = bottomLeft.y(); 14743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = bottomLeft.x(); dst[3] = topRight.y(); 14753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[4] = topRight.x(); dst[5] = bottomLeft.y(); 14763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = topRight.x(); dst[7] = topRight.y(); 14773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14793c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord2DArray (std::vector<float>& dst, int layerNdx, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 14803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*3); 14823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = bottomLeft.x(); dst[ 1] = bottomLeft.y(); dst[ 2] = (float)layerNdx; 14843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = bottomLeft.x(); dst[ 4] = topRight.y(); dst[ 5] = (float)layerNdx; 14853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = topRight.x(); dst[ 7] = bottomLeft.y(); dst[ 8] = (float)layerNdx; 14863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9] = topRight.x(); dst[10] = topRight.y(); dst[11] = (float)layerNdx; 14873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14893c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord3D (std::vector<float>& dst, const tcu::Vec3& p0, const tcu::Vec3& p1, const tcu::IVec3& dirSwz) 14903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f0 = tcu::Vec3(0.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f1 = tcu::Vec3(0.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f2 = tcu::Vec3(1.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f3 = tcu::Vec3(1.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v0 = p0 + (p1-p0)*f0; 14973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v1 = p0 + (p1-p0)*f1; 14983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v2 = p0 + (p1-p0)*f2; 14993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v3 = p0 + (p1-p0)*f3; 15003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*3); 15023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = v0.x(); dst[ 1] = v0.y(); dst[ 2] = v0.z(); 15043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = v1.x(); dst[ 4] = v1.y(); dst[ 5] = v1.z(); 15053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = v2.x(); dst[ 7] = v2.y(); dst[ 8] = v2.z(); 15063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9] = v3.x(); dst[10] = v3.y(); dst[11] = v3.z(); 15073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 15083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15093c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face) 15103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 15113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegX[] = 15123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, -1.0f, 15143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f, 15153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, 1.0f, 15163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, 1.0f 15173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosX[] = 15193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, 1.0f, 1.0f, 15213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, 1.0f, 15223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, 1.0f, -1.0f, 15233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, -1.0f 15243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegY[] = 15263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, 1.0f, 15283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f, 15293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, 1.0f, 15303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, -1.0f 15313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosY[] = 15333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, -1.0f, 15353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, 1.0f, 15363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, +1.0f, -1.0f, 15373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, +1.0f, 1.0f 15383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegZ[] = 15403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, 1.0f, -1.0f, 15423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, -1.0f, 15433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, -1.0f, 15443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f 15453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosZ[] = 15473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, +1.0f, 15493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, +1.0f, 15503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, 1.0f, +1.0f, 15513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, +1.0f 15523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord = DE_NULL; 15553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int texCoordSize = DE_LENGTH_OF_ARRAY(texCoordNegX); 15563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 15583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: texCoord = texCoordNegX; break; 15603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: texCoord = texCoordPosX; break; 15613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: texCoord = texCoordNegY; break; 15623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: texCoord = texCoordPosY; break; 15633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: texCoord = texCoordNegZ; break; 15643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: texCoord = texCoordPosZ; break; 15653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 15663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 15673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 15683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 15693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(texCoordSize); 15713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::copy(texCoord, texCoord+texCoordSize, dst.begin()); 15723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 15733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15743c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 15753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 15763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sRow = 0; 15773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tRow = 0; 15783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int mRow = 0; 15793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float sSign = 1.0f; 15803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float tSign = 1.0f; 15813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mSign = 1.0f; 15823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 15843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; 15863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; 15873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; 15883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; 15893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; 15903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; 15913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 15923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 15933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 15943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 15953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(3*4); 15973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+mRow] = mSign; 15993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+mRow] = mSign; 16003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+mRow] = mSign; 16013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+mRow] = mSign; 16023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+sRow] = sSign * bottomLeft.x(); 16043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+sRow] = sSign * bottomLeft.x(); 16053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+sRow] = sSign * topRight.x(); 16063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+sRow] = sSign * topRight.x(); 16073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+tRow] = tSign * bottomLeft.y(); 16093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+tRow] = tSign * topRight.y(); 16103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+tRow] = tSign * bottomLeft.y(); 16113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+tRow] = tSign * topRight.y(); 16123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 16133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyryvoid computeQuadTexCoordCubeArray (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight, const tcu::Vec2& layerRange) 16153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 16163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sRow = 0; 16173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tRow = 0; 16183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int mRow = 0; 16193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int qRow = 3; 16203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float sSign = 1.0f; 16213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float tSign = 1.0f; 16223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mSign = 1.0f; 16238852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float l0 = layerRange.x(); 16248852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float l1 = layerRange.y(); 16253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 16273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 16283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; 16293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; 16303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; 16313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; 16323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; 16333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; 16343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 16353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 16363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 16373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 16383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*4); 16403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+mRow] = mSign; 16423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+mRow] = mSign; 16433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+mRow] = mSign; 16443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+mRow] = mSign; 16453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+sRow] = sSign * bottomLeft.x(); 16473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+sRow] = sSign * bottomLeft.x(); 16483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+sRow] = sSign * topRight.x(); 16493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+sRow] = sSign * topRight.x(); 16503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+tRow] = tSign * bottomLeft.y(); 16523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+tRow] = tSign * topRight.y(); 16533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+tRow] = tSign * bottomLeft.y(); 16543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+tRow] = tSign * topRight.y(); 16553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16568852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (l0 != l1) 16578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 16588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 0+qRow] = l0; 16598852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 4+qRow] = l0*0.5f + l1*0.5f; 16608852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 8+qRow] = l0*0.5f + l1*0.5f; 16618852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[12+qRow] = l1; 16628852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 16638852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry else 16648852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 16658852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 0+qRow] = l0; 16668852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 4+qRow] = l0; 16678852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 8+qRow] = l0; 16688852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[12+qRow] = l0; 16698852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 16703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 16713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Texture result verification 16733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 16753c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 16763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 16773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 16783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView& baseView, 16793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 16803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 16813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 16823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 16833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 16843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 16853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 16863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 16873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 16893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 16913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 16933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 16943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 16953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getWidth(); 16963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 16983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 16993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 17003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 17023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 17043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 17063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 17083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 17093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 17103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 17113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 17123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 17143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 17163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 17183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 17193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 17203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 17223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 17243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 17253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 17273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 17283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 17303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 17313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 17323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 17333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 17353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 17363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 17373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 17383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 17393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coord = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 17413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * float(srcSize); 17423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * float(srcSize); 17433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); 17453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 17473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 17483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 17503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 17513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 17523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 17533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * float(srcSize); 17553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * float(srcSize); 17563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); 17573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 17593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 17603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 17633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 17643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 17663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 17683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 17693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 17753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 17763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17773c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 17783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 17793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 17803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& baseView, 17813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 17823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 17833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 17843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 17853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 17863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 17873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 17883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 17893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 17913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 17933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 17943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 17963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 17973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 17983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 17993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 18013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 18023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 18033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 18043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 18063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 18083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 18103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 18123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 18133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 18143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 18153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 18163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 18183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 18203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 18223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 18233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 18243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 18263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 18283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 18293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 18313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 18323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 18343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 18353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 18363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 18373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 18393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 18403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 18413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 18423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 18433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 18453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 18463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 18473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 18483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 18493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 18503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 18523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 18543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 18553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 18573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 18583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 18593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 18603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 18623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 18633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 18643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 18653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 18663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 18673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 18683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 18703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 18713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 18743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 18753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 18773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 18793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 18803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 18863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 18873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18883c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 18893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 18903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView& src, 18913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 18923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 18933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 18943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 18953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 18963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 18973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 18983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 18993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 19003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 19013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 19033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 19053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 19063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 19093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 19113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 19123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 19163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 19173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 19183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 19203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 19223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 19233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19243c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 19253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 19263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& src, 19273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 19283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 19293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 19303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 19313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 19323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 19333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 19343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 19353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 19363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 19373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 19393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 19413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 19423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 19453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 19473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 19483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 19523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 19533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 19543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 19563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 19583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 19593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 19613c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 19623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 19633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 19643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& baseView, 19653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 19663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 19673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 19683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 19693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 19703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 19713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 19723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 19733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 19753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 19773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 19783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 19793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 19813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 19823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 19833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 19843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 19863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 19873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 19883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 19893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 19903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 19923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1993b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float posEps = 1.0f / float((1<<MIN_SUBPIXEL_BITS) + 1); 19943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 19963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 19983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 20003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 20013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 20023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 20033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Not strictly allowed by spec, but implementations do this in practice. 20053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, -1), 20063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, +1), 20073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, -1), 2008e8ef296162c99669d786b805a148b9a3e8ae5831Pyry Haulos tcu::Vec2(+1, +1), 20093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 20103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 20123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 20143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 20163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 20173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 20183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 20203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 20223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 20233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 20253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 20263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 20283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 20293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 20303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 20313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool tri0 = nx + ny - posEps <= 1.0f; 20333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool tri1 = nx + ny + posEps >= 1.0f; 20343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk = false; 20363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(tri0 || tri1); 20383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Pixel can belong to either of the triangles if it lies close enough to the edge. 20403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) 20413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 20433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 20443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 20453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 20463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 20483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 20493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 20503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 20513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 20523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 20533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 20543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 20553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 20563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord, coordDx, coordDy, srcSize, lodPrec); 20583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 20603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 20613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 20633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 20643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 20653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 20663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 20683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 20693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 20703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 20713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 20723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 20733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 20743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 20753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 20763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 20773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 20793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 20803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 20833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) 20853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk = true; 20873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 20883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 20923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 20943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 20953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 21013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 21023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21033c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 21043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 21053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& src, 21063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 21073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 21083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 21093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 21103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 21113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 21123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 21133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 21143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 21153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 21163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 21183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureMultiFace(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 21203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 21213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 21233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 21243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 21263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 21273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 21293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 21313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 21323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 21333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 21353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 21373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 21383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 21403c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 21413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 21423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 21433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView& baseView, 21443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 21453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 21463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 21473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 21483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 21493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 21503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 21513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 21523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 21543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 21563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 21573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 21583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 21603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 21613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 21623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); 21633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 21653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 21663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 21673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 21683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 21693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 21713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2172b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float posEps = 1.0f / float((1<<MIN_SUBPIXEL_BITS) + 1); 2173b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 21743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 21753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 21773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 21793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 21803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 21813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 21823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 21833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 21853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 21873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 21893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 21903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 21913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 21933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 21953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 21963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 21983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 21993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 22003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 22013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 22023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 22033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 22043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2205b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const bool tri0 = nx + ny - posEps <= 1.0f; 2206b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const bool tri1 = nx + ny + posEps >= 1.0f; 22073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2208b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos bool isOk = false; 22093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2210b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos DE_ASSERT(tri0 || tri1); 22113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2212b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos // Pixel can belong to either of the triangles if it lies close enough to the edge. 2213b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) 22143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2215b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float triWx = triNdx ? dstW - wx : wx; 2216b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float triWy = triNdx ? dstH - wy : wy; 2217b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float triNx = triNdx ? 1.0f - nx : nx; 2218b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float triNy = triNdx ? 1.0f - ny : ny; 22193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2220b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 2221b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 2222b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 2223b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coordDx = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 2224b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 2225b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 2226b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coordDy = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 2227b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 2228b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 22293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2230b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDx.z(), coordDy.x(), coordDy.y(), coordDy.z(), lodPrec); 22313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2232b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos // Compute lod bounds across lodOffsets range. 2233b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 2234b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos { 2235b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 2236b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 2237b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float nxo = wxo/dstW; 2238b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const float nyo = wyo/dstH; 2239b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 2240b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 2241b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 2242b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 2243b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coordDxo = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 2244b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 2245b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 2246b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec3 coordDyo = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 2247b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 2248b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 2249b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDxo.z(), coordDyo.x(), coordDyo.y(), coordDyo.z(), lodPrec); 2250b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 2251b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 2252b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 2253b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos } 2254b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 2255b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 2256b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos 2257b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) 2258b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos { 2259b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos isOk = true; 2260b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos break; 2261b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos } 2262b9df7b5d58961270c55c87000a38a8ccbbdc19e9Pyry Haulos } 22633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 22653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 22663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 22673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 22683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 22743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 22753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22763c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 22773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 22783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView& src, 22793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 22803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 22813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 22823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 22833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 22843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 22853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 22863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 22873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 22883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 22893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 22913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 22933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 22943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 22963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 22973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 22993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 23003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 23023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 23043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 23053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 23083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 23103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 23113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 23133c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 23143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 23153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 23163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DArrayView& src, 23173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 23183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 23193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 23203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 23213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 23223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 23233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 23243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 23253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 23273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 23283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 23303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 23313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 23323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcSize = float(src.getWidth()); // For lod computation, thus #layers is ignored. 23333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 23353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 23363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 23373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 23383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 23403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 23423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 23443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 23463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 23473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 23483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 23493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 23503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 23523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 23543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 23563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 23573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 23583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 23603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 23623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 23633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 23653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 23663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 23683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 23693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 23703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 23713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 23733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 23743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 23753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 23763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 23773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 23793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 23803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * srcSize; 23813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * srcSize; 23823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); 23843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 23863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 23873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 23893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 23903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 23913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 23923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 23943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 23953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * srcSize; 23963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * srcSize; 23973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); 23983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 24003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 24013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 24043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 24053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 24073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 24093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 24103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 24163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 24173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 24193c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 24203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 24213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 24223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 24233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 24243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 24253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 24263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 24273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 24283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 24293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 24303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 24313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 24333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 24343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 24353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 24373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 24383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 24393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()).asFloat(); // For lod computation, thus #layers is ignored. 24403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 24423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 24433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 24443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 24453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 24463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 24483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 24503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 24523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 24543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 24553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 24563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 24573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 24583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 24603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 24623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 24643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 24653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 24663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 24683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 24703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 24713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 24733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 24743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 24763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 24773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 24783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 24793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 24813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 24823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 24833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 24843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 24853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 24873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 24883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 24893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 24903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize; 24913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 24923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize; 24933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 24953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 24973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 24983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 25003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 25013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 25023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 25033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 25053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 25063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 25073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 25083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize; 25093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 25103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize; 25113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 25123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 25143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 25153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 25183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 25193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 25213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 25233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 25243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 25303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 25313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25323c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 25333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 25343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DArrayView& src, 25353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 25363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 25373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 25383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 25393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 25403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 25413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 25423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 25433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 25443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 25453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 25473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 25493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 25503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 25533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 25553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 25563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 25603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 25613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 25643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 25663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 25673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25683c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 25693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 25703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 25713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 25723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 25733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 25743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 25753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 25763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 25773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 25783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 25793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 25803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 25813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 25833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 25853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 25863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 25893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 25913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 25923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 25968852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 25978852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 25988852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25998852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::EndImageSet; 26008852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26018852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return numFailedPixels == 0; 26028852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 26038852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26048852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 26058852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 26068852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 26078852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 26088852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView& baseView, 26098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float* texCoord, 26108852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const ReferenceParams& sampleParams, 26118852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 26128852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec4& coordBits, 26138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LodPrecision& lodPrec, 26148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry qpWatchDog* watchDog) 26158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 26168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 26178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 26188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 26208852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26218852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // What is the 'q' in all these names? Also a two char name for something that is in scope for ~120 lines and only used twice each seems excessive 26228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[4+0], texCoord[8+0], texCoord[12+0]); 26238852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[4+1], texCoord[8+1], texCoord[12+1]); 26248852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[4+2], texCoord[8+2], texCoord[12+2]); 26258852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 qq = tcu::Vec4(texCoord[0+3], texCoord[4+3], texCoord[8+3], texCoord[12+3]); 26268852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26278852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 26288852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float dstW = float(dstSize.x()); 26298852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float dstH = float(dstSize.y()); 26308852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int srcSize = src.getSize(); 26318852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26328852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Coordinates per triangle. 26338852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 26348852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 26358852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 26368852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triQ[2] = { qq.swizzle(0, 1, 2), qq.swizzle(3, 2, 1) }; 26378852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 26388852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26398852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 26408852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26418852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float posEps = 1.0f / float((1<<4) + 1); // ES3 requires at least 4 subpixel bits. 26428852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry int numFailed = 0; 26448852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26458852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodOffsets[] = 26468852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, 0), 26488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(+1, 0), 26498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2( 0, -1), 26508852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2( 0, +1), 26518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // \note Not strictly allowed by spec, but implementations do this in practice. 26538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, -1), 26548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, +1), 26558852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(+1, -1), 26562e736e5cc21486837e98cae3c9303751f9a15c79Pyry Haulos tcu::Vec2(+1, +1), 26578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry }; 26588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26598852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 26608852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26618852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 26628852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26638852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 26648852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (watchDog) 26658852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry qpWatchDog_touch(watchDog); 26668852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26678852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 26688852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26698852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 26708852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 26718852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26728852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 26738852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 26748852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26758852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wx = (float)px + 0.5f; 26768852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wy = (float)py + 0.5f; 26778852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nx = wx / dstW; 26788852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float ny = wy / dstH; 26798852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26808852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const bool tri0 = nx + ny - posEps <= 1.0f; 26818852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const bool tri1 = nx + ny + posEps >= 1.0f; 26828852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26838852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry bool isOk = false; 26848852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26858852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(tri0 || tri1); 26868852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26878852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Pixel can belong to either of the triangles if it lies close enough to the edge. 26888852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) 26898852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26908852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 26918852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 26928852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 26938852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 26948852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26958852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 26968852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 26978852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy), 26988852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triQ[triNdx], triW[triNdx], triNx, triNy)); 26998852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 27008852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 27018852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 27028852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 27038852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 27048852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 27058852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27068852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord.toWidth<3>(), coordDx, coordDy, srcSize, lodPrec); 27078852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27088852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Compute lod bounds across lodOffsets range. 27098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 27108852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27118852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 27128852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 27138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nxo = wxo/dstW; 27148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nyo = wyo/dstH; 27158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 27178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 27188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 27198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 27208852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 27218852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 27228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 27238852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 27248852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 27258852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 27268852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27278852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 27288852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 27298852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27308852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27318852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 27328852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27338852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coordBits, coord, clampedLod, resPix)) 27348852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27358852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry isOk = true; 27368852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry break; 27378852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27388852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27398852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27408852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (!isOk) 27418852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27428852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 27438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry numFailed += 1; 27448852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27458852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27468852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return numFailed; 27508852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 27518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 27538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 27548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView& src, 27558852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float* texCoord, 27568852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const ReferenceParams& sampleParams, 27578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 27588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec4& coordBits, 27598852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LodPrecision& lodPrec, 27608852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::PixelFormat& pixelFormat) 27618852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 27628852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 27638852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 27648852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 27658852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry int numFailedPixels; 27668852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27678852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 27688852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27698852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 27708852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, coordBits, lodPrec, testCtx.getWatchDog()); 27718852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27728852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (numFailedPixels > 0) 27738852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 27748852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27758852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 27768852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 27778852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27788852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (numFailedPixels > 0) 27798852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27808852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 27813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 27823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 27833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 27853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 27873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 27883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Shadow lookup verification 27903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 27923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 27933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 27943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& src, 27953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 27963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 27973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 27983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 27993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 28003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 28013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 28023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 28033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 28053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 28063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 28083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 28093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 28103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 28113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 28133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 28143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 28153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 28163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 28183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 28203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 28223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 28243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 28253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 28263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 28273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 28283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 28303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 28323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 28343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 28363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 28373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Other channels should trivially match to reference. 28393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 28403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 28423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 28433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 28443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 28483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 28493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 28503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 28513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 28533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 28543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 28553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 28563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 28573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 28593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 28603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 28613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 28623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 28633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 28643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 28663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 28683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 28693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 28713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 28723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 28733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 28743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 28763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 28773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 28783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 28793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 28803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 28813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 28823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 28843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 28853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 28883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 28893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 28913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 28933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 28943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 29003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 29013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29023c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 29033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 29043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 29053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& src, 29063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 29073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 29083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 29093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 29103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 29113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 29123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 29133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 29143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 29163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 29173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 29183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 29203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 29213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 29223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 29233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 29253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 29263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 29273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 29283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 29293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 29313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 29333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 29353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 29373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 29383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 29393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 29403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 29413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 29433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 29453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 29473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 29493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 29503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 29523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 29543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 29553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 29563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 29603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 29613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 29623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 29633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 29653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 29663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 29673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 29683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 29693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 29713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 29723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 29733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 29743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 29753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 29763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 29773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 29783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 29793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord, coordDx, coordDy, srcSize, lodPrec); 29813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 29833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 29843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 29863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 29873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 29883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 29893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 29913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 29923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 29933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 29943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 29953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 29963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 29973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 29983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 29993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 30003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 30023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 30033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 30063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 30073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 30093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 30113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 30123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 30183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 30193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30203c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 30213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 30223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 30233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 30243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 30253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 30263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 30273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 30283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 30293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 30303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 30313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 30323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 30343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 30353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 30363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 30383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 30393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 30403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 30413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 30433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 30443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 30453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 30463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 30473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 30493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 30513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 30533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 30553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 30563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 30573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 30583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 30593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 30613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 30633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 30653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 30673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 30683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 30703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 30723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 30733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 30743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 30783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 30793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 30803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 30813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 30833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 30843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 30853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 30863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 30873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 30893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 30903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 30913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 30923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 30933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 30943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 30953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 30973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 30993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 31003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 31023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 31033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 31043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 31053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 31073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 31083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 31093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 31103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 31113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 31123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 31133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 31153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 31163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 31193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 31203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 31223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 31243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 31253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 31313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 31323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Mipmap generation comparison. 31343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31353c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapBilinear (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 31363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 31373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 31383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 31403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 31413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 31423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 31433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 31443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Translation to lookup verification parameters. 31463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Sampler sampler (tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, 31473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Sampler::LINEAR, tcu::Sampler::LINEAR, 0.0f, false /* non-normalized coords */); 31483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::LookupPrecision lookupPrec; 31493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorThreshold = precision.colorThreshold; 31513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorMask = precision.colorMask; 31523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.coordBits = tcu::IVec3(22); 31533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.uvwBits = precision.filterBits; 31543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 31563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 31573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 31593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cx = (float(x)+0.5f) / dstW * srcW; 31603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cy = (float(y)+0.5f) / dstH * srcH; 31613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLinearSampleResultValid(src, sampler, lookupPrec, tcu::Vec2(cx, cy), 0, result); 31623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 31643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 31653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 31663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 31693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 31703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31713c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapBox (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 31723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 31733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 31743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 31763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 31773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 31783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 31793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 31803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Translation to lookup verification parameters. 31823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Sampler sampler (tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, 31833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Sampler::LINEAR, tcu::Sampler::LINEAR, 0.0f, false /* non-normalized coords */); 31843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::LookupPrecision lookupPrec; 31853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorThreshold = precision.colorThreshold; 31873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorMask = precision.colorMask; 31883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.coordBits = tcu::IVec3(22); 31893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.uvwBits = precision.filterBits; 31903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 31923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 31933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 31953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cx = deFloatFloor(float(x) / dstW * srcW) + 1.0f; 31963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cy = deFloatFloor(float(y) / dstH * srcH) + 1.0f; 31973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLinearSampleResultValid(src, sampler, lookupPrec, tcu::Vec2(cx, cy), 0, result); 31983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 32003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 32013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 32023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 32053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 32063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32073c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapVeryLenient (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 32083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 32093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 32103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_UNREF(precision); 32113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 32133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 32143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 32153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 32163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 32173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 32193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 32203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 32223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int minX = deFloorFloatToInt32(float(x-0.5f) / dstW * srcW); 32233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int minY = deFloorFloatToInt32(float(y-0.5f) / dstH * srcH); 32243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxX = deCeilFloatToInt32(float(x+1.5f) / dstW * srcW); 32253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxY = deCeilFloatToInt32(float(y+1.5f) / dstH * srcH); 32263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 minVal, maxVal; 32273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk; 32283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(minX < maxX && minY < maxY); 32303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int ky = minY; ky <= maxY; ky++) 32323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int kx = minX; kx <= maxX; kx++) 32343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int sx = de::clamp(kx, 0, src.getWidth()-1); 32363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int sy = de::clamp(ky, 0, src.getHeight()-1); 32373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sample = src.getPixel(sx, sy); 32383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (ky == minY && kx == minX) 32403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry minVal = sample; 32423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry maxVal = sample; 32433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry minVal = min(sample, minVal); 32473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry maxVal = max(sample, maxVal); 32483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk = boolAll(logicalAnd(lessThanEqual(minVal, result), lessThanEqual(result, maxVal))); 32533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 32553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 32563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 32573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 32603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 32613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32623c827367444ee418f129b2c238299f49d3264554Jarkko PoyryqpTestResult compareGenMipmapResult (tcu::TestLog& log, const tcu::Texture2D& resultTexture, const tcu::Texture2D& level0Reference, const GenMipmapPrecision& precision) 32633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 32643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpTestResult result = QP_TEST_RESULT_PASS; 32653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Special comparison for level 0. 32673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 threshold = select(precision.colorThreshold, tcu::Vec4(1.0f), precision.colorMask); 32693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool level0Ok = tcu::floatThresholdCompare(log, "Level0", "Level 0", level0Reference.getLevel(0), resultTexture.getLevel(0), threshold, tcu::COMPARE_LOG_RESULT); 32703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!level0Ok) 32723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level 0 comparison failed!" << TestLog::EndMessage; 32743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 32753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int levelNdx = 1; levelNdx < resultTexture.getNumLevels(); levelNdx++) 32793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess src = resultTexture.getLevel(levelNdx-1); 32813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess dst = resultTexture.getLevel(levelNdx); 32823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (dst.getWidth(), dst.getHeight()); 32833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool levelOk = false; 32843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try different comparisons in quality order. 32863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBilinear(dst, src, errorMask.getAccess(), precision); 32903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 32913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 32923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << " comparison to bilinear method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 32943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBox(dst, src, errorMask.getAccess(), precision); 32993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << " comparison to box method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 33033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // At this point all high-quality methods have been used. 33063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk && result == QP_TEST_RESULT_PASS) 33073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_QUALITY_WARNING; 33083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapVeryLenient(dst, src, errorMask.getAccess(), precision); 33123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level " << levelNdx << " appears to contain " << numFailed << " completely wrong pixels, failing case!" << TestLog::EndMessage; 33163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 33203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet(string("Level") + de::toString(levelNdx), string("Level ") + de::toString(levelNdx) + " result") 33223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Result", "Result", dst); 33233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ErrorMask", "Error mask", errorMask); 33263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 33283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return result; 33313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 33323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33333c827367444ee418f129b2c238299f49d3264554Jarkko PoyryqpTestResult compareGenMipmapResult (tcu::TestLog& log, const tcu::TextureCube& resultTexture, const tcu::TextureCube& level0Reference, const GenMipmapPrecision& precision) 33343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 33353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpTestResult result = QP_TEST_RESULT_PASS; 33363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* s_faceNames[] = { "-X", "+X", "-Y", "+Y", "-Z", "+Z" }; 33383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_faceNames) == tcu::CUBEFACE_LAST); 33393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Special comparison for level 0. 33413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 33423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::CubeFace(faceNdx); 33443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 threshold = select(precision.colorThreshold, tcu::Vec4(1.0f), precision.colorMask); 33453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool level0Ok = tcu::floatThresholdCompare(log, 33463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ("Level0Face" + de::toString(faceNdx)).c_str(), 33473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry (string("Level 0, face ") + s_faceNames[face]).c_str(), 33483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry level0Reference.getLevelFace(0, face), 33493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry resultTexture.getLevelFace(0, face), 33503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry threshold, tcu::COMPARE_LOG_RESULT); 33513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!level0Ok) 33533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level 0, face " << s_faceNames[face] << " comparison failed!" << TestLog::EndMessage; 33553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 33563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int levelNdx = 1; levelNdx < resultTexture.getNumLevels(); levelNdx++) 33603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 33623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::CubeFace(faceNdx); 33643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* faceName = s_faceNames[face]; 33653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess src = resultTexture.getLevelFace(levelNdx-1, face); 33663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess dst = resultTexture.getLevelFace(levelNdx, face); 33673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (dst.getWidth(), dst.getHeight()); 33683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool levelOk = false; 33693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try different comparisons in quality order. 33713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBilinear(dst, src, errorMask.getAccess(), precision); 33753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << ", face " << faceName << " comparison to bilinear method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 33793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBox(dst, src, errorMask.getAccess(), precision); 33843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << ", face " << faceName <<" comparison to box method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 33883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // At this point all high-quality methods have been used. 33913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk && result == QP_TEST_RESULT_PASS) 33923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_QUALITY_WARNING; 33933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapVeryLenient(dst, src, errorMask.getAccess(), precision); 33973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 34003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level " << levelNdx << ", face " << faceName << " appears to contain " << numFailed << " completely wrong pixels, failing case!" << TestLog::EndMessage; 34013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 34023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 34043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 34053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet(string("Level") + de::toString(levelNdx) + "Face" + de::toString(faceNdx), string("Level ") + de::toString(levelNdx) + ", face " + string(faceName) + " result") 34073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Result", "Result", dst); 34083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 34103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ErrorMask", "Error mask", errorMask); 34113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 34133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 34143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 34153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return result; 34173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 34183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Logging utilities. 34203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34213c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystd::ostream& operator<< (std::ostream& str, const LogGradientFmt& fmt) 34223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 34233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return str << "(R: " << fmt.valueMin->x() << " -> " << fmt.valueMax->x() << ", " 34243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "G: " << fmt.valueMin->y() << " -> " << fmt.valueMax->y() << ", " 34253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "B: " << fmt.valueMin->z() << " -> " << fmt.valueMax->z() << ", " 34263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "A: " << fmt.valueMin->w() << " -> " << fmt.valueMax->w() << ")"; 34273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 34283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // TextureTestUtil 34303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // gls 34313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // deqp 3432