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 533c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySamplerType getSamplerType (tcu::TextureFormat format) 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry using tcu::TextureFormat; 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (format.type) 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT8: 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT16: 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT32: 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_INT; 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT8: 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT32: 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_1010102_REV: 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_UINT; 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Texture formats used in depth/stencil textures. 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT16: 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_24_8: 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FLOAT : SAMPLERTYPE_UINT; 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FLOAT; 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 793c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySamplerType getFetchSamplerType (tcu::TextureFormat format) 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry using tcu::TextureFormat; 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (format.type) 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT8: 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT16: 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::SIGNED_INT32: 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_INT; 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT8: 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT32: 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_1010102_REV: 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_UINT; 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Texture formats used in depth/stencil textures. 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT16: 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case TextureFormat::UNSIGNED_INT_24_8: 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return (format.order == TextureFormat::D || format.order == TextureFormat::DS) ? SAMPLERTYPE_FETCH_FLOAT : SAMPLERTYPE_FETCH_UINT; 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return SAMPLERTYPE_FETCH_FLOAT; 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture1DView getSubView (const tcu::Texture1DView& view, int baseLevel, int maxLevel) 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture1DView(numLevels, view.getLevels()+clampedBase); 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture2DView getSubView (const tcu::Texture2DView& view, int baseLevel, int maxLevel) 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture2DView(numLevels, view.getLevels()+clampedBase); 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::TextureCubeView getSubView (const tcu::TextureCubeView& view, int baseLevel, int maxLevel) 1223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1258852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess* levels[tcu::CUBEFACE_LAST]; 1273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int face = 0; face < tcu::CUBEFACE_LAST; face++) 1293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levels[face] = view.getFaceLevels((tcu::CubeFace)face) + clampedBase; 1303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::TextureCubeView(numLevels, levels); 1323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1343c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic tcu::Texture3DView getSubView (const tcu::Texture3DView& view, int baseLevel, int maxLevel) 1353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1388852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Texture3DView(numLevels, view.getLevels()+clampedBase); 1403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1428852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyrystatic tcu::TextureCubeArrayView getSubView (const tcu::TextureCubeArrayView& view, int baseLevel, int maxLevel) 1438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 1448852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int clampedBase = de::clamp(baseLevel, 0, view.getNumLevels()-1); 1458852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int clampedMax = de::clamp(maxLevel, clampedBase, view.getNumLevels()-1); 1468852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int numLevels = clampedMax-clampedBase+1; 1478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return tcu::TextureCubeArrayView(numLevels, view.getLevels()+clampedBase); 1488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 1498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 1503c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float linearInterpolate (float t, float minVal, float maxVal) 1513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return minVal + (maxVal - minVal) * t; 1533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1553c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline tcu::Vec4 linearInterpolate (float t, const tcu::Vec4& a, const tcu::Vec4& b) 1563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return a + (b - a) * t; 1583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1603c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float bilinearInterpolate (float x, float y, const tcu::Vec4& quad) 1613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w00 = (1.0f-x)*(1.0f-y); 1633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w01 = (1.0f-x)*y; 1643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w10 = x*(1.0f-y); 1653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float w11 = x*y; 1663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return quad.x()*w00 + quad.y()*w10 + quad.z()*w01 + quad.w()*w11; 1673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1693c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triangleInterpolate (float v0, float v1, float v2, float x, float y) 1703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return v0 + (v2-v0)*x + (v1-v0)*y; 1723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1743c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triangleInterpolate (const tcu::Vec3& v, float x, float y) 1753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(v.x(), v.y(), v.z(), x, y); 1773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1793c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triQuadInterpolate (float x, float y, const tcu::Vec4& quad) 1803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Top left fill rule. 1823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (x + y < 1.0f) 1833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.x(), quad.y(), quad.z(), x, y); 1843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 1853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.w(), quad.z(), quad.y(), 1.0f-x, 1.0f-y); 1863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1883c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt, int x, int y, int width, int height) 1893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (&surface) 1903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (getColorMask(colorFmt)) 1913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (x) 1923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (y) 1933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (width) 1943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (height) 1953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1983c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (tcu::Surface& surface, const tcu::PixelFormat& colorFmt) 1993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (&surface) 2003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (getColorMask(colorFmt)) 2013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (0) 2023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (0) 2033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (surface.getWidth()) 2043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (surface.getHeight()) 2053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2083c827367444ee418f129b2c238299f49d3264554Jarkko PoyrySurfaceAccess::SurfaceAccess (const SurfaceAccess& parent, int x, int y, int width, int height) 2093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_surface (parent.m_surface) 2103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_colorMask (parent.m_colorMask) 2113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_x (parent.m_x + x) 2123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_y (parent.m_y + y) 2133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_width (width) 2143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_height (height) 2153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 1D lookup LOD computation. 2193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2203c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dudy) 2213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note [mika] Min and max bounds equal to exact with 1D textures 2263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 2273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 2283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 2293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 2303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 2373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2393c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, deInt32 srcSize, const tcu::Vec3& sq) 2403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize; 2423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize; 2433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 2443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 2453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, duy/dy); 2473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 2D lookup LOD computation. 2503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2513c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy) 2523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 2573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy)); 2583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 2613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 2623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 2643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); 2653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = mode == LODMODE_MIN_BOUND ? de::max(mu, mv) : mu + mv; 2673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 2713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 2723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 2753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2773c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeNonProjectedTriLod (LodMode mode, const tcu::IVec2& dstSize, const tcu::IVec2& srcSize, const tcu::Vec3& sq, const tcu::Vec3& tq) 2783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize.x(); 2803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize.x(); 2813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); 2823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); 2833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 2843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 2853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, dvx/dx, duy/dy, dvy/dy); 2873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 3D lookup LOD computation. 2903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy) 2923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float p = 0.0f; 2943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (mode) 2953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_EXACT: 2973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy)); 2983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MIN_BOUND: 3013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case LODMODE_MAX_BOUND: 3023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy)); 3043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy)); 3053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mw = de::max(deFloatAbs(dwdx), deFloatAbs(dwdy)); 3063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry p = mode == LODMODE_MIN_BOUND ? de::max(de::max(mu, mv), mw) : (mu + mv + mw); 3083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 3093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 3123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 3133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return deFloatLog2(p); 3163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3183c827367444ee418f129b2c238299f49d3264554Jarkko 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) 3193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dux = (sq.z() - sq.x()) * (float)srcSize.x(); 3213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float duy = (sq.y() - sq.x()) * (float)srcSize.x(); 3223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvx = (tq.z() - tq.x()) * (float)srcSize.y(); 3233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvy = (tq.y() - tq.x()) * (float)srcSize.y(); 3243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwx = (rq.z() - rq.x()) * (float)srcSize.z(); 3253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwy = (rq.y() - rq.x()) * (float)srcSize.z(); 3263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dx = (float)dstSize.x(); 3273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dy = (float)dstSize.y(); 3283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dux/dx, dvx/dx, dwx/dx, duy/dy, dvy/dy, dwy/dy); 3303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3323c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float projectedTriInterpolate (const tcu::Vec3& s, const tcu::Vec3& w, float nx, float ny) 3333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3343c827367444ee418f129b2c238299f49d3264554Jarkko 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]); 3353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3373c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float triDerivateX (const tcu::Vec3& s, const tcu::Vec3& w, float wx, float width, float ny) 3383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = w[1]*w[2]*(width*(ny - 1.0f) + wx) - w[0]*(w[2]*width*ny + w[1]*wx); 3403c827367444ee418f129b2c238299f49d3264554Jarkko 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); 3413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3433c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline float triDerivateY (const tcu::Vec3& s, const tcu::Vec3& w, float wy, float height, float nx) 3443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = w[1]*w[2]*(height*(nx - 1.0f) + wy) - w[0]*(w[1]*height*nx + w[2]*wy); 3463c827367444ee418f129b2c238299f49d3264554Jarkko 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); 3473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 1D lookup LOD. 3503c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeProjectedTriLod (LodMode mode, const tcu::Vec3& u, const tcu::Vec3& projection, float wx, float wy, float width, float height) 3513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dudy); 3573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 2D lookup LOD. 3603c827367444ee418f129b2c238299f49d3264554Jarkko 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) 3613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdx = triDerivateX(v, projection, wx, width, wy/height); 3653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdy = triDerivateY(v, projection, wy, height, wx/width); 3673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dvdx, dudy, dvdy); 3693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// 3D lookup LOD. 3723c827367444ee418f129b2c238299f49d3264554Jarkko 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) 3733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Exact derivatives. 3753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudx = triDerivateX(u, projection, wx, width, wy/height); 3763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdx = triDerivateX(v, projection, wx, width, wy/height); 3773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwdx = triDerivateX(w, projection, wx, width, wy/height); 3783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dudy = triDerivateY(u, projection, wy, height, wx/width); 3793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dvdy = triDerivateY(v, projection, wy, height, wx/width); 3803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dwdy = triDerivateY(w, projection, wy, height, wx/width); 3813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy); 3833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3853c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture1DView& src, const ReferenceParams& params, float s, float lod) 3863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 3883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, lod), 0.0, 0.0, 1.0f); 3893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 3903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, lod); 3913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3933c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture2DView& src, const ReferenceParams& params, float s, float t, float lod) 3943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 3963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); 3973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 3983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, lod); 3993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4013c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::TextureCubeView& src, const ReferenceParams& params, float s, float t, float r, float lod) 4023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); 4053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, lod); 4073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4093c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture2DArrayView& src, const ReferenceParams& params, float s, float t, float r, float lod) 4103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, lod), 0.0, 0.0, 1.0f); 4133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, lod); 4153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4173c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::TextureCubeArrayView& src, const ReferenceParams& params, float s, float t, float r, float q, float lod) 4183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, r, q, lod), 0.0, 0.0, 1.0f); 4213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, r, q, lod); 4233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4253c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline tcu::Vec4 execSample (const tcu::Texture1DArrayView& src, const ReferenceParams& params, float s, float t, float lod) 4263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 4283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::Vec4(src.sampleCompare(params.sampler, params.ref, s, t, lod), 0.0, 0.0, 1.0f); 4293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return src.sample(params.sampler, s, t, lod); 4313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4333c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture1DView& src, const tcu::Vec4& sq, const ReferenceParams& params) 4343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 4363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 4383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int srcSize = src.getWidth(); 4393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 4413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 4423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, params.minLod, params.maxLod), 4433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias, params.minLod, params.maxLod) }; 4443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 4463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 4483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 4503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 4513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 4533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 4543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 4553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 4573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 4583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, x, y); 4603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4643c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture2DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 4653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 4673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 4693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 4703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 4723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 4733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 4743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, params.minLod, params.maxLod), 4753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias, params.minLod, params.maxLod) }; 4763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 4783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 4803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 4823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 4833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 4853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 4863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 4873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 4893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 4903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 4913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); 4933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4973c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureProjected (const SurfaceAccess& dst, const tcu::Texture1DView& src, const tcu::Vec4& sq, const ReferenceParams& params) 4983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 5003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 5013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 5023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 5043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 5063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 5073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 5083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 5103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 5123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 5143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 5153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 5163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 5173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 5193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 5203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 5213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 5223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 5233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 5253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 5263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 5273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, lod) * params.colorScale + params.colorBias, px, py); 5293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5333c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureProjected (const SurfaceAccess& dst, const tcu::Texture2DView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 5343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 5363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 5373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 5383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 5403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 vq = tq * (float)src.getHeight(); 5413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 5433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 5443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 5453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; 5463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 5473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 5493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 5513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 5533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 5543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 5553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 5563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 5583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 5593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 5603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 5613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 5623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 5643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy); 5653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 5663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 5673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, px, py); 5693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5733c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture2DView& src, const float* texCoord, const ReferenceParams& params) 5743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView view = getSubView(src, params.baseLevel, params.maxLevel); 5763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 5773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 5783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 5803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, tq, params); 5813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 5823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, tq, params); 5833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5853c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture1DView& src, const float* texCoord, const ReferenceParams& params) 5863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView view = getSubView(src, params.baseLevel, params.maxLevel); 5883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 5893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 5913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, params); 5923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 5933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, params); 5943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5963c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic float computeCubeLodFromDerivates (LodMode lodMode, const tcu::Vec3& coord, const tcu::Vec3& coordDx, const tcu::Vec3& coordDy, const int faceSize) 5973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::selectCubeFace(coord); 5993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int maNdx = 0; 6003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sNdx = 0; 6013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tNdx = 0; 6023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Derivate signs don't matter when computing lod 6043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 6053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: 6073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: maNdx = 0; sNdx = 2; tNdx = 1; break; 6083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: 6093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: maNdx = 1; sNdx = 0; tNdx = 2; break; 6103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: 6113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: maNdx = 2; sNdx = 0; tNdx = 1; break; 6123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 6133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 6143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float sc = coord[sNdx]; 6183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tc = coord[tNdx]; 6193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ma = de::abs(coord[maNdx]); 6203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float scdx = coordDx[sNdx]; 6213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tcdx = coordDx[tNdx]; 6223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float madx = de::abs(coordDx[maNdx]); 6233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float scdy = coordDy[sNdx]; 6243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float tcdy = coordDy[tNdx]; 6253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float mady = de::abs(coordDy[maNdx]); 6263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dudx = float(faceSize) * 0.5f * (scdx*ma - sc*madx) / (ma*ma); 6273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dvdx = float(faceSize) * 0.5f * (tcdx*ma - tc*madx) / (ma*ma); 6283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dudy = float(faceSize) * 0.5f * (scdy*ma - sc*mady) / (ma*ma); 6293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dvdy = float(faceSize) * 0.5f * (tcdy*ma - tc*mady) / (ma*ma); 6303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return computeLodFromDerivates(lodMode, dudx, dvdx, dudy, dvdy); 6323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6353c827367444ee418f129b2c238299f49d3264554Jarkko 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) 6363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 6383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 6393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 6403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 6413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 6433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 6443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 6453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 6463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 6473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lodBias ((params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f); 6493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 6513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 6533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 6543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 6553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 6563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 6573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 6583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 6603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 6613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 6623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), 6643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triT[triNdx], triNx, triNy), 6653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triR[triNdx], triNx, triNy)); 6663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 6673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 6683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 6693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 6703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 6713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 6723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, srcSize) + lodBias, params.minLod, params.maxLod); 6743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), lod) * params.colorScale + params.colorBias, px, py); 6763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 6783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6803c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeView& src, const float* texCoord, const ReferenceParams& params) 6813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView view = getSubView(src, params.baseLevel, params.maxLevel); 6833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 6843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 6853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 6863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return sampleTexture(dst, view, sq, tq, rq, params); 6883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// \todo [2013-07-17 pyry] Remove this! 6913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTextureMultiFace (const SurfaceAccess& dst, const tcu::TextureCubeView& src, const float* texCoord, const ReferenceParams& params) 6923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return sampleTexture(dst, src, texCoord, params); 6943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 6953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 6963c827367444ee418f129b2c238299f49d3264554Jarkko 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) 6973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 6983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 6993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 7023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 7073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0]) + lodBias, 7083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1]) + lodBias}; 7093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 7113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 7133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 7153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 7163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 7183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 7193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 7203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 7223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 7233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); 7243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 7253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, r, lod) * params.colorScale + params.colorBias, x, y); 7273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7313c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture2DArrayView& src, const float* texCoord, const ReferenceParams& params) 7323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 7343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 7353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 7363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2012-02-17 pyry] Support projected lookups. 7383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, src, sq, tq, rq, params); 7393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7413c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic void sampleTextureNonProjected (const SurfaceAccess& dst, const tcu::Texture1DArrayView& src, const tcu::Vec4& sq, const tcu::Vec4& tq, const ReferenceParams& params) 7423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 7443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deInt32 srcSize = src.getWidth(); 7473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0]) + lodBias, 7523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1]) + lodBias}; 7533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 7553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 7573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 7593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 7603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 7623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 7633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 7643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 7663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 7673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 7683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, s, t, lod) * params.colorScale + params.colorBias, x, y); 7703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 7723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7743c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture1DArrayView& src, const float* texCoord, const ReferenceParams& params) 7753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 7773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 7783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!(params.flags & ReferenceParams::PROJECTED)); // \todo [2014-06-09 mika] Support projected lookups. 7803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, src, sq, tq, params); 7813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 7823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7833c827367444ee418f129b2c238299f49d3264554Jarkko 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) 7843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 7853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 7863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 7883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); 7893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 7913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 7923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 7933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 7943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triLod[2] = { de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[0], triT[0], triR[0]) + lodBias, params.minLod, params.maxLod), 7953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::clamp(computeNonProjectedTriLod(params.lodMode, dstSize, srcSize, triS[1], triT[1], triR[1]) + lodBias, params.minLod, params.maxLod) }; 7963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 7973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 7983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 7993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 8003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 8023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 8033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 8053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triX = triNdx ? 1.0f-xf : xf; 8063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triY = triNdx ? 1.0f-yf : yf; 8073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 8093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = triangleInterpolate(triT[triNdx].x(), triT[triNdx].y(), triT[triNdx].z(), triX, triY); 8103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = triangleInterpolate(triR[triNdx].x(), triR[triNdx].y(), triR[triNdx].z(), triX, triY); 8113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = triLod[triNdx]; 8123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, x, y); 8143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8183c827367444ee418f129b2c238299f49d3264554Jarkko 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) 8193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 8213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstW = (float)dst.getWidth(); 8223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float dstH = (float)dst.getHeight(); 8233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 uq = sq * (float)src.getWidth(); 8253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 vq = tq * (float)src.getHeight(); 8263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 wq = rq * (float)src.getDepth(); 8273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 8293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 8303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 8313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triU[2] = { uq.swizzle(0, 1, 2), uq.swizzle(3, 2, 1) }; 8323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triV[2] = { vq.swizzle(0, 1, 2), vq.swizzle(3, 2, 1) }; 8333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triW[2] = { wq.swizzle(0, 1, 2), wq.swizzle(3, 2, 1) }; 8343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triP[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 8353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 8373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 8393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wx = (float)px + 0.5f; 8413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float wy = (float)py + 0.5f; 8423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float nx = wx / dstW; 8433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float ny = wy / dstH; 8443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int triNdx = nx + ny >= 1.0f ? 1 : 0; 8463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWx = triNdx ? dstW - wx : wx; 8473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triWy = triNdx ? dstH - wy : wy; 8483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNx = triNdx ? 1.0f - nx : nx; 8493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float triNy = triNdx ? 1.0f - ny : ny; 8503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float s = projectedTriInterpolate(triS[triNdx], triP[triNdx], triNx, triNy); 8523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float t = projectedTriInterpolate(triT[triNdx], triP[triNdx], triNx, triNy); 8533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float r = projectedTriInterpolate(triR[triNdx], triP[triNdx], triNx, triNy); 8543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float lod = computeProjectedTriLod(params.lodMode, triU[triNdx], triV[triNdx], triW[triNdx], triP[triNdx], triWx, triWy, (float)dst.getWidth(), (float)dst.getHeight()) 8553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry + lodBias; 8563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.sample(params.sampler, s, t, r, lod) * params.colorScale + params.colorBias, px, py); 8583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 8603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8623c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::Texture3DView& src, const float* texCoord, const ReferenceParams& params) 8633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView view = getSubView(src, params.baseLevel, params.maxLevel); 8653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 8663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 8673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 8683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & ReferenceParams::PROJECTED) 8703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureProjected(dst, view, sq, tq, rq, params); 8713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 8723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureNonProjected(dst, view, sq, tq, rq, params); 8733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 8743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8753c827367444ee418f129b2c238299f49d3264554Jarkko 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) 8763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 8773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = (float)dst.getWidth(); 8783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = (float)dst.getHeight(); 8793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 8813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 8823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 8833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 8843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 triQ[2] = { qq.swizzle(0, 1, 2), qq.swizzle(3, 2, 1) }; 8853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { params.w.swizzle(0, 1, 2), params.w.swizzle(3, 2, 1) }; 8863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float lodBias = (params.flags & ReferenceParams::USE_BIAS) ? params.bias : 0.0f; 8883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < dst.getHeight(); py++) 8903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < dst.getWidth(); px++) 8923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 8933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 8943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 8953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 8963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 8973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 8983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 8993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 9003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 9013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (triangleInterpolate(triS[triNdx], triNx, triNy), 9033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triT[triNdx], triNx, triNy), 9043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triangleInterpolate(triR[triNdx], triNx, triNy)); 9053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordQ = triangleInterpolate(triQ[triNdx], triNx, triNy); 9073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 9093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 9103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 9113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 9123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 9133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 9143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float lod = de::clamp(computeCubeLodFromDerivates(params.lodMode, coord, coordDx, coordDy, src.getSize()) + lodBias, params.minLod, params.maxLod); 9163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(execSample(src, params, coord.x(), coord.y(), coord.z(), coordQ, lod) * params.colorScale + params.colorBias, px, py); 9183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9223c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid sampleTexture (const SurfaceAccess& dst, const tcu::TextureCubeArrayView& src, const float* texCoord, const ReferenceParams& params) 9233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[4+0], texCoord[8+0], texCoord[12+0]); 9253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[4+1], texCoord[8+1], texCoord[12+1]); 9263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[4+2], texCoord[8+2], texCoord[12+2]); 9273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 qq = tcu::Vec4(texCoord[0+3], texCoord[4+3], texCoord[8+3], texCoord[12+3]); 9283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(dst, src, sq, tq, rq, qq, params); 9303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9323c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid fetchTexture (const SurfaceAccess& dst, const tcu::ConstPixelBufferAccess& src, const float* texCoord, const tcu::Vec4& colorScale, const tcu::Vec4& colorBias) 9333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 9353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(dst.getWidth(), dst.getHeight()); 9363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 9373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 9393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 9403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 9413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 9423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float yf = ((float)y + 0.5f) / (float)dst.getHeight(); 9433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float xf = ((float)x + 0.5f) / (float)dst.getWidth(); 9443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = xf + yf >= 1.0f ? 1 : 0; // Top left fill rule. 9463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triX = triNdx ? 1.0f-xf : xf; 9473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triY = triNdx ? 1.0f-yf : yf; 9483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float s = triangleInterpolate(triS[triNdx].x(), triS[triNdx].y(), triS[triNdx].z(), triX, triY); 9503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(src.getPixel((int)s, 0) * colorScale + colorBias, x, y); 9523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 9543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid clear (const SurfaceAccess& dst, const tcu::Vec4& color) 9573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 9593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 9603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.setPixel(color, x, y); 9613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9633c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool compareImages (TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) 9643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::pixelThresholdCompare(log, "Result", "Image comparison result", reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); 9663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9683c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool compareImages (TestLog& log, const char* name, const char* desc, const tcu::Surface& reference, const tcu::Surface& rendered, tcu::RGBA threshold) 9693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::pixelThresholdCompare(log, name, desc, reference, rendered, threshold, tcu::COMPARE_LOG_RESULT); 9713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9733c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint measureAccuracy (tcu::TestLog& log, const tcu::Surface& reference, const tcu::Surface& rendered, int bestScoreDiff, int worstScoreDiff) 9743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::measurePixelDiffAccuracy(log, "Result", "Image comparison result", reference, rendered, bestScoreDiff, worstScoreDiff, tcu::COMPARE_LOG_EVERYTHING); 9763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9783c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline int rangeDiff (int x, int a, int b) 9793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (x < a) 9813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return a-x; 9823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (x > b) 9833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return x-b; 9843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 9853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return 0; 9863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 9873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9883c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline tcu::RGBA rangeDiff (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b) 9893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 9903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int rMin = de::min(a.getRed(), b.getRed()); 9913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int rMax = de::max(a.getRed(), b.getRed()); 9923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int gMin = de::min(a.getGreen(), b.getGreen()); 9933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int gMax = de::max(a.getGreen(), b.getGreen()); 9943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int bMin = de::min(a.getBlue(), b.getBlue()); 9953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int bMax = de::max(a.getBlue(), b.getBlue()); 9963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int aMin = de::min(a.getAlpha(), b.getAlpha()); 9973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int aMax = de::max(a.getAlpha(), b.getAlpha()); 9983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 9993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return tcu::RGBA(rangeDiff(p.getRed(), rMin, rMax), 10003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getGreen(), gMin, gMax), 10013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getBlue(), bMin, bMax), 10023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry rangeDiff(p.getAlpha(), aMin, aMax)); 10033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10053c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline bool rangeCompare (tcu::RGBA p, tcu::RGBA a, tcu::RGBA b, tcu::RGBA threshold) 10063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::RGBA diff = rangeDiff(p, a, b); 10083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return diff.getRed() <= threshold.getRed() && 10093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getGreen() <= threshold.getGreen() && 10103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getBlue() <= threshold.getBlue() && 10113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry diff.getAlpha() <= threshold.getAlpha(); 10123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10143c827367444ee418f129b2c238299f49d3264554Jarkko PoyryRandomViewport::RandomViewport (const tcu::RenderTarget& renderTarget, int preferredWidth, int preferredHeight, deUint32 seed) 10153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : x (0) 10163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , y (0) 10173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , width (deMin32(preferredWidth, renderTarget.getWidth())) 10183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , height (deMin32(preferredHeight, renderTarget.getHeight())) 10193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::Random rnd(seed); 10213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry x = rnd.getInt(0, renderTarget.getWidth() - width); 10223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry y = rnd.getInt(0, renderTarget.getHeight() - height); 10233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10253c827367444ee418f129b2c238299f49d3264554Jarkko PoyryProgramLibrary::ProgramLibrary (const glu::RenderContext& context, tcu::TestContext& testCtx, glu::GLSLVersion glslVersion, glu::Precision texCoordPrecision) 10263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_context (context) 10273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_testCtx (testCtx) 10283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_glslVersion (glslVersion) 10293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_texCoordPrecision (texCoordPrecision) 10303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10333c827367444ee418f129b2c238299f49d3264554Jarkko PoyryProgramLibrary::~ProgramLibrary (void) 10343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry clear(); 10363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10383c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid ProgramLibrary::clear (void) 10393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (map<Program, glu::ShaderProgram*>::iterator i = m_programs.begin(); i != m_programs.end(); i++) 10413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 10423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete i->second; 10433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry i->second = DE_NULL; 10443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 10453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programs.clear(); 10463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 10473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10483c827367444ee418f129b2c238299f49d3264554Jarkko Poyryglu::ShaderProgram* ProgramLibrary::getProgram (Program program) 10493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 10503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 10513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_programs.find(program) != m_programs.end()) 10533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return m_programs[program]; // Return from cache. 10543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* vertShaderTemplate = 10563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_HEADER}" 10573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_IN} highp vec4 a_position;\n" 10583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_IN} ${PRECISION} ${TEXCOORD_TYPE} a_texCoord;\n" 10593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${VTX_OUT} ${PRECISION} ${TEXCOORD_TYPE} v_texCoord;\n" 10603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "\n" 10613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 10623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 10633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 10643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " v_texCoord = a_texCoord;\n" 10653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 10663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* fragShaderTemplate = 10673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${FRAG_HEADER}" 10683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "${FRAG_IN} ${PRECISION} ${TEXCOORD_TYPE} v_texCoord;\n" 10693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} float u_bias;\n" 10703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} float u_ref;\n" 10713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} vec4 u_colorScale;\n" 10723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} vec4 u_colorBias;\n" 10733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform ${PRECISION} ${SAMPLER_TYPE} u_sampler;\n" 10743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "\n" 10753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 10763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 10773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " ${FRAG_COLOR} = ${LOOKUP} * u_colorScale + u_colorBias;\n" 10783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 10793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry map<string, string> params; 10813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isCube = de::inRange<int>(program, PROGRAM_CUBE_FLOAT, PROGRAM_CUBE_SHADOW_BIAS); 10833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isArray = de::inRange<int>(program, PROGRAM_2D_ARRAY_FLOAT, PROGRAM_2D_ARRAY_SHADOW) 10843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_1D_ARRAY_FLOAT, PROGRAM_1D_ARRAY_SHADOW); 10853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is1D = de::inRange<int>(program, PROGRAM_1D_FLOAT, PROGRAM_1D_UINT_BIAS) 10873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_1D_ARRAY_FLOAT, PROGRAM_1D_ARRAY_SHADOW) 10883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_BUFFER_FLOAT, PROGRAM_BUFFER_UINT); 10893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is2D = de::inRange<int>(program, PROGRAM_2D_FLOAT, PROGRAM_2D_UINT_BIAS) 10913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry || de::inRange<int>(program, PROGRAM_2D_ARRAY_FLOAT, PROGRAM_2D_ARRAY_SHADOW); 10923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool is3D = de::inRange<int>(program, PROGRAM_3D_FLOAT, PROGRAM_3D_UINT_BIAS); 10943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isCubeArray = de::inRange<int>(program, PROGRAM_CUBE_ARRAY_FLOAT, PROGRAM_CUBE_ARRAY_SHADOW); 10958852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry bool isBuffer = de::inRange<int>(program, PROGRAM_BUFFER_FLOAT, PROGRAM_BUFFER_UINT); 10963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 10973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_glslVersion == glu::GLSL_VERSION_100_ES) 10983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 10993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_HEADER"] = ""; 11003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_HEADER"] = ""; 11013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_IN"] = "attribute"; 11023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_OUT"] = "varying"; 11033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_IN"] = "varying"; 11043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_COLOR"] = "gl_FragColor"; 11053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (m_glslVersion == glu::GLSL_VERSION_300_ES || m_glslVersion == glu::GLSL_VERSION_310_ES || m_glslVersion == glu::GLSL_VERSION_330) 11073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11088852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const string version = glu::getGLSLVersionDeclaration(m_glslVersion); 11098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const char* ext = DE_NULL; 11108852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 11118852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (isCubeArray && glu::glslVersionIsES(m_glslVersion)) 11128852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry ext = "GL_EXT_texture_cube_map_array"; 11138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry else if (isBuffer && glu::glslVersionIsES(m_glslVersion)) 11148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry ext = "GL_EXT_texture_buffer"; 11153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry params["FRAG_HEADER"] = version + (ext ? string("\n#extension ") + ext + " : require" : string()) + "\nlayout(location = 0) out mediump vec4 dEQP_FragColor;\n"; 11178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry params["VTX_HEADER"] = version + "\n"; 11183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_IN"] = "in"; 11193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["VTX_OUT"] = "out"; 11203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_IN"] = "in"; 11213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["FRAG_COLOR"] = "dEQP_FragColor"; 11223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 11243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!"Unsupported version"); 11253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["PRECISION"] = glu::getPrecisionName(m_texCoordPrecision); 11273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (isCubeArray) 11293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec4"; 11303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (isCube || (is2D && isArray) || is3D) 11313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec3"; 11323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if ((is1D && isArray) || is2D) 11333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "vec2"; 11343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (is1D) 11353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["TEXCOORD_TYPE"] = "float"; 11363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 11373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 11383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* sampler = DE_NULL; 11403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* lookup = DE_NULL; 11413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_glslVersion == glu::GLSL_VERSION_300_ES || m_glslVersion == glu::GLSL_VERSION_310_ES || m_glslVersion == glu::GLSL_VERSION_330) 11433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (program) 11453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT: sampler = "sampler2D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_INT: sampler = "isampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_UINT: sampler = "usampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_SHADOW: sampler = "sampler2DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT_BIAS: sampler = "sampler2D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_INT_BIAS: sampler = "isampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_UINT_BIAS: sampler = "usampler2D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11533c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_FLOAT: sampler = "sampler1D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_INT: sampler = "isampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_UINT: sampler = "usampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_SHADOW: sampler = "sampler1DShadow"; lookup = "vec4(texture(u_sampler, vec3(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_FLOAT_BIAS: sampler = "sampler1D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_INT_BIAS: sampler = "isampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_UINT_BIAS: sampler = "usampler1D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11613c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT: sampler = "samplerCube"; lookup = "texture(u_sampler, v_texCoord)"; break; 11633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_INT: sampler = "isamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_UINT: sampler = "usamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_SHADOW: sampler = "samplerCubeShadow"; lookup = "vec4(texture(u_sampler, vec4(v_texCoord, u_ref)), 0.0, 0.0, 1.0)"; break; 11663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT_BIAS: sampler = "samplerCube"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_INT_BIAS: sampler = "isamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_UINT_BIAS: sampler = "usamplerCube"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11693c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_FLOAT: sampler = "sampler2DArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_INT: sampler = "isampler2DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_ARRAY_UINT: sampler = "usampler2DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11733c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_FLOAT: sampler = "sampler3D"; lookup = "texture(u_sampler, v_texCoord)"; break; 11753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_INT: sampler = "isampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_UINT: sampler =" usampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_FLOAT_BIAS: sampler = "sampler3D"; lookup = "texture(u_sampler, v_texCoord, u_bias)"; break; 11783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_INT_BIAS: sampler = "isampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_3D_UINT_BIAS: sampler =" usampler3D"; lookup = "vec4(texture(u_sampler, v_texCoord, u_bias))"; break; 11803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_FLOAT: sampler = "samplerCubeArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_INT: sampler = "isamplerCubeArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_ARRAY_UINT: sampler = "usamplerCubeArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11833c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_FLOAT: sampler = "sampler1DArray"; lookup = "texture(u_sampler, v_texCoord)"; break; 11853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_INT: sampler = "isampler1DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_1D_ARRAY_UINT: sampler = "usampler1DArray"; lookup = "vec4(texture(u_sampler, v_texCoord))"; break; 11873c827367444ee418f129b2c238299f49d3264554Jarkko 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; 11883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_FLOAT: sampler = "samplerBuffer"; lookup = "texelFetch(u_sampler, int(v_texCoord))"; break; 11893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_INT: sampler = "isamplerBuffer"; lookup = "vec4(texelFetch(u_sampler, int(v_texCoord)))"; break; 11903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_BUFFER_UINT: sampler = "usamplerBuffer"; lookup = "vec4(texelFetch(u_sampler, int(v_texCoord)))"; break; 11913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 11923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 11933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 11953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (m_glslVersion == glu::GLSL_VERSION_100_ES) 11963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 11973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampler = isCube ? "samplerCube" : "sampler2D"; 11983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 11993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (program) 12003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT: lookup = "texture2D(u_sampler, v_texCoord)"; break; 12023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_2D_FLOAT_BIAS: lookup = "texture2D(u_sampler, v_texCoord, u_bias)"; break; 12033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT: lookup = "textureCube(u_sampler, v_texCoord)"; break; 12043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PROGRAM_CUBE_FLOAT_BIAS: lookup = "textureCube(u_sampler, v_texCoord, u_bias)"; break; 12053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 12063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 12073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 12103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!"Unsupported version"); 12113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["SAMPLER_TYPE"] = sampler; 12133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry params["LOOKUP"] = lookup; 12143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::string vertSrc = tcu::StringTemplate(vertShaderTemplate).specialize(params); 12163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::string fragSrc = tcu::StringTemplate(fragShaderTemplate).specialize(params); 12173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::ShaderProgram* progObj = new glu::ShaderProgram(m_context, glu::makeVtxFragSources(vertSrc, fragSrc)); 12193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!progObj->isOk()) 12203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << *progObj; 12223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete progObj; 12233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TCU_FAIL("Failed to compile shader program"); 12243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry try 12273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programs[program] = progObj; 12293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry catch (...) 12313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete progObj; 12333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry throw; 12343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return progObj; 12373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12393c827367444ee418f129b2c238299f49d3264554Jarkko PoyryTextureRenderer::TextureRenderer (const glu::RenderContext& context, tcu::TestContext& testCtx, glu::GLSLVersion glslVersion, glu::Precision texCoordPrecision) 12403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : m_renderCtx (context) 12413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_testCtx (testCtx) 12423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_programLibrary (context, testCtx, glslVersion, texCoordPrecision) 12433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12463c827367444ee418f129b2c238299f49d3264554Jarkko PoyryTextureRenderer::~TextureRenderer (void) 12473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry clear(); 12493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12513c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::clear (void) 12523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_programLibrary.clear(); 12543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::renderQuad (int texUnit, const float* texCoord, TextureType texType) 12573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry renderQuad(texUnit, texCoord, RenderParams(texType)); 12593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 12603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12613c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid TextureRenderer::renderQuad (int texUnit, const float* texCoord, const RenderParams& params) 12623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 12633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glw::Functions& gl = m_renderCtx.getFunctions(); 12643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 wCoord = params.flags & RenderParams::PROJECTED ? params.w : tcu::Vec4(1.0f); 12653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool useBias = !!(params.flags & RenderParams::USE_BIAS); 12663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 12673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool logUniforms = !!(params.flags & RenderParams::LOG_UNIFORMS); 12683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render quad with texture. 12703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float position[] = 12713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f*wCoord.x(), -1.0f*wCoord.x(), 0.0f, wCoord.x(), 12733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f*wCoord.y(), +1.0f*wCoord.y(), 0.0f, wCoord.y(), 12743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f*wCoord.z(), -1.0f*wCoord.z(), 0.0f, wCoord.z(), 12753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f*wCoord.w(), +1.0f*wCoord.w(), 0.0f, wCoord.w() 12763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 12773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const deUint16 indices[] = { 0, 1, 2, 2, 1, 3 }; 12783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Program progSpec = PROGRAM_LAST; 12803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numComps = 0; 12813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.texType == TEXTURETYPE_2D) 12823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 2; 12843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 12863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_2D_FLOAT_BIAS : PROGRAM_2D_FLOAT; break; 12883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_2D_INT_BIAS : PROGRAM_2D_INT; break; 12893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_2D_UINT_BIAS : PROGRAM_2D_UINT; break; 12903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_2D_SHADOW_BIAS : PROGRAM_2D_SHADOW; break; 12913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 12923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 12943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_1D) 12953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 12963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 1; 12973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 12983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 12993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_1D_FLOAT_BIAS : PROGRAM_1D_FLOAT; break; 13013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_1D_INT_BIAS : PROGRAM_1D_INT; break; 13023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_1D_UINT_BIAS : PROGRAM_1D_UINT; break; 13033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_1D_SHADOW_BIAS : PROGRAM_1D_SHADOW; break; 13043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_CUBE) 13083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_CUBE_FLOAT_BIAS : PROGRAM_CUBE_FLOAT; break; 13143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_CUBE_INT_BIAS : PROGRAM_CUBE_INT; break; 13153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_CUBE_UINT_BIAS : PROGRAM_CUBE_UINT; break; 13163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = useBias ? PROGRAM_CUBE_SHADOW_BIAS : PROGRAM_CUBE_SHADOW; break; 13173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_3D) 13213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = useBias ? PROGRAM_3D_FLOAT_BIAS : PROGRAM_3D_FLOAT; break; 13273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = useBias ? PROGRAM_3D_INT_BIAS : PROGRAM_3D_INT; break; 13283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = useBias ? PROGRAM_3D_UINT_BIAS : PROGRAM_3D_UINT; break; 13293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_2D_ARRAY) 13333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); // \todo [2012-02-17 pyry] Support bias. 13353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 3; 13373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_2D_ARRAY_FLOAT; break; 13413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_2D_ARRAY_INT; break; 13423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_2D_ARRAY_UINT; break; 13433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_2D_ARRAY_SHADOW; break; 13443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_CUBE_ARRAY) 13483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); 13503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 4; 13523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_CUBE_ARRAY_FLOAT; break; 13563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_CUBE_ARRAY_INT; break; 13573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_CUBE_ARRAY_UINT; break; 13583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_CUBE_ARRAY_SHADOW; break; 13593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_1D_ARRAY) 13633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!useBias); // \todo [2012-02-17 pyry] Support bias. 13653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 2; 13673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FLOAT: progSpec = PROGRAM_1D_ARRAY_FLOAT; break; 13713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_INT: progSpec = PROGRAM_1D_ARRAY_INT; break; 13723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_UINT: progSpec = PROGRAM_1D_ARRAY_UINT; break; 13733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_SHADOW: progSpec = PROGRAM_1D_ARRAY_SHADOW; break; 13743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (params.texType == TEXTURETYPE_BUFFER) 13783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numComps = 1; 13803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (params.samplerType) 13823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 13833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_FLOAT: progSpec = PROGRAM_BUFFER_FLOAT; break; 13843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_INT: progSpec = PROGRAM_BUFFER_INT; break; 13853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case SAMPLERTYPE_FETCH_UINT: progSpec = PROGRAM_BUFFER_UINT; break; 13863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: DE_ASSERT(false); 13873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 13893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 13903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 13913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::ShaderProgram* program = m_programLibrary.getProgram(progSpec); 13933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \todo [2012-09-26 pyry] Move to ProgramLibrary and log unique programs only(?) 13953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.flags & RenderParams::LOG_PROGRAMS) 13963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << *program; 13973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 13983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_EXPECT_NO_ERROR(gl.getError(), "Set vertex attributes"); 13993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Program and uniforms. 14013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry deUint32 prog = program->getProgram(); 14023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.useProgram(prog); 14033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1i(gl.getUniformLocation(prog, "u_sampler"), texUnit); 14053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_sampler = " << texUnit << TestLog::EndMessage; 14073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (useBias) 14093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1f(gl.getUniformLocation(prog, "u_bias"), params.bias); 14113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_bias = " << params.bias << TestLog::EndMessage; 14133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (params.samplerType == SAMPLERTYPE_SHADOW) 14163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform1f(gl.getUniformLocation(prog, "u_ref"), params.ref); 14183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_ref = " << params.ref << TestLog::EndMessage; 14203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform4fv(gl.getUniformLocation(prog, "u_colorScale"), 1, params.colorScale.getPtr()); 14233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry gl.uniform4fv(gl.getUniformLocation(prog, "u_colorBias"), 1, params.colorBias.getPtr()); 14243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logUniforms) 14263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_colorScale = " << params.colorScale << TestLog::EndMessage; 14283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "u_colorBias = " << params.colorBias << TestLog::EndMessage; 14293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_EXPECT_NO_ERROR(gl.getError(), "Set program state"); 14323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glu::VertexArrayBinding vertexArrays[] = 14353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 14363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::va::Float("a_position", 4, 4, 0, &position[0]), 14373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::va::Float("a_texCoord", numComps, 4, 0, texCoord) 14383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 14393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::draw(m_renderCtx, prog, DE_LENGTH_OF_ARRAY(vertexArrays), &vertexArrays[0], 14403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::pr::Triangles(DE_LENGTH_OF_ARRAY(indices), &indices[0])); 14413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 14423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14443c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord1D (std::vector<float>& dst, float left, float right) 14453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4); 14473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = left; 14493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[1] = left; 14503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = right; 14513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = right; 14523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14543c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord1DArray (std::vector<float>& dst, int layerNdx, float left, float right) 14553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*2); 14573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = left; dst[1] = (float)layerNdx; 14593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = left; dst[3] = (float)layerNdx; 14603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[4] = right; dst[5] = (float)layerNdx; 14613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = right; dst[7] = (float)layerNdx; 14623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14643c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord2D (std::vector<float>& dst, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 14653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*2); 14673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = bottomLeft.x(); dst[1] = bottomLeft.y(); 14693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[2] = bottomLeft.x(); dst[3] = topRight.y(); 14703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[4] = topRight.x(); dst[5] = bottomLeft.y(); 14713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = topRight.x(); dst[7] = topRight.y(); 14723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14743c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord2DArray (std::vector<float>& dst, int layerNdx, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 14753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*3); 14773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = bottomLeft.x(); dst[ 1] = bottomLeft.y(); dst[ 2] = (float)layerNdx; 14793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = bottomLeft.x(); dst[ 4] = topRight.y(); dst[ 5] = (float)layerNdx; 14803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = topRight.x(); dst[ 7] = bottomLeft.y(); dst[ 8] = (float)layerNdx; 14813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9] = topRight.x(); dst[10] = topRight.y(); dst[11] = (float)layerNdx; 14823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 14833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14843c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoord3D (std::vector<float>& dst, const tcu::Vec3& p0, const tcu::Vec3& p1, const tcu::IVec3& dirSwz) 14853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 14863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f0 = tcu::Vec3(0.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f1 = tcu::Vec3(0.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f2 = tcu::Vec3(1.0f, 0.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 f3 = tcu::Vec3(1.0f, 1.0f, 0.0f).swizzle(dirSwz[0], dirSwz[1], dirSwz[2]); 14903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v0 = p0 + (p1-p0)*f0; 14923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v1 = p0 + (p1-p0)*f1; 14933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v2 = p0 + (p1-p0)*f2; 14943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec3 v3 = p0 + (p1-p0)*f3; 14953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*3); 14973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 14983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0] = v0.x(); dst[ 1] = v0.y(); dst[ 2] = v0.z(); 14993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3] = v1.x(); dst[ 4] = v1.y(); dst[ 5] = v1.z(); 15003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6] = v2.x(); dst[ 7] = v2.y(); dst[ 8] = v2.z(); 15013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9] = v3.x(); dst[10] = v3.y(); dst[11] = v3.z(); 15023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 15033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15043c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face) 15053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 15063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegX[] = 15073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, -1.0f, 15093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f, 15103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, 1.0f, 15113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, 1.0f 15123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosX[] = 15143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, 1.0f, 1.0f, 15163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, 1.0f, 15173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, 1.0f, -1.0f, 15183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, -1.0f 15193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegY[] = 15213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, 1.0f, 15233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f, 15243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, 1.0f, 15253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, -1.0f 15263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosY[] = 15283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, -1.0f, 15303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, 1.0f, 15313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, +1.0f, -1.0f, 15323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, +1.0f, 1.0f 15333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordNegZ[] = 15353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, 1.0f, -1.0f, 15373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, -1.0f, 15383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, -1.0f, 15393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, -1.0f 15403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float texCoordPosZ[] = 15423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, 1.0f, +1.0f, 15443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, +1.0f, 15453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, 1.0f, +1.0f, 15463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1.0f, -1.0f, +1.0f 15473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 15483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord = DE_NULL; 15503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int texCoordSize = DE_LENGTH_OF_ARRAY(texCoordNegX); 15513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 15533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: texCoord = texCoordNegX; break; 15553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: texCoord = texCoordPosX; break; 15563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: texCoord = texCoordNegY; break; 15573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: texCoord = texCoordPosY; break; 15583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: texCoord = texCoordNegZ; break; 15593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: texCoord = texCoordPosZ; break; 15603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 15613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 15623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 15633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 15643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(texCoordSize); 15663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::copy(texCoord, texCoord+texCoordSize, dst.begin()); 15673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 15683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15693c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid computeQuadTexCoordCube (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight) 15703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 15713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sRow = 0; 15723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tRow = 0; 15733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int mRow = 0; 15743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float sSign = 1.0f; 15753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float tSign = 1.0f; 15763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mSign = 1.0f; 15773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 15793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 15803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; 15813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; 15823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; 15833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; 15843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; 15853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; 15863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 15873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 15883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 15893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 15903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(3*4); 15923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+mRow] = mSign; 15943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+mRow] = mSign; 15953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+mRow] = mSign; 15963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+mRow] = mSign; 15973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 15983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+sRow] = sSign * bottomLeft.x(); 15993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+sRow] = sSign * bottomLeft.x(); 16003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+sRow] = sSign * topRight.x(); 16013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+sRow] = sSign * topRight.x(); 16023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[0+tRow] = tSign * bottomLeft.y(); 16043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[3+tRow] = tSign * topRight.y(); 16053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[6+tRow] = tSign * bottomLeft.y(); 16063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[9+tRow] = tSign * topRight.y(); 16073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 16083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyryvoid computeQuadTexCoordCubeArray (std::vector<float>& dst, tcu::CubeFace face, const tcu::Vec2& bottomLeft, const tcu::Vec2& topRight, const tcu::Vec2& layerRange) 16103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 16113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int sRow = 0; 16123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int tRow = 0; 16133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int mRow = 0; 16143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int qRow = 3; 16153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float sSign = 1.0f; 16163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float tSign = 1.0f; 16173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float mSign = 1.0f; 16188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float l0 = layerRange.x(); 16198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float l1 = layerRange.y(); 16203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (face) 16223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 16233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_X: mRow = 0; sRow = 2; tRow = 1; mSign = -1.0f; tSign = -1.0f; break; 16243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_X: mRow = 0; sRow = 2; tRow = 1; sSign = -1.0f; tSign = -1.0f; break; 16253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Y: mRow = 1; sRow = 0; tRow = 2; mSign = -1.0f; tSign = -1.0f; break; 16263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Y: mRow = 1; sRow = 0; tRow = 2; break; 16273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_NEGATIVE_Z: mRow = 2; sRow = 0; tRow = 1; mSign = -1.0f; sSign = -1.0f; tSign = -1.0f; break; 16283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case tcu::CUBEFACE_POSITIVE_Z: mRow = 2; sRow = 0; tRow = 1; tSign = -1.0f; break; 16293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 16303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 16313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return; 16323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 16333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst.resize(4*4); 16353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+mRow] = mSign; 16373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+mRow] = mSign; 16383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+mRow] = mSign; 16393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+mRow] = mSign; 16403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+sRow] = sSign * bottomLeft.x(); 16423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+sRow] = sSign * bottomLeft.x(); 16433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+sRow] = sSign * topRight.x(); 16443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+sRow] = sSign * topRight.x(); 16453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 0+tRow] = tSign * bottomLeft.y(); 16473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 4+tRow] = tSign * topRight.y(); 16483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[ 8+tRow] = tSign * bottomLeft.y(); 16493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry dst[12+tRow] = tSign * topRight.y(); 16503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (l0 != l1) 16528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 16538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 0+qRow] = l0; 16548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 4+qRow] = l0*0.5f + l1*0.5f; 16558852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 8+qRow] = l0*0.5f + l1*0.5f; 16568852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[12+qRow] = l1; 16578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 16588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry else 16598852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 16608852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 0+qRow] = l0; 16618852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 4+qRow] = l0; 16628852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[ 8+qRow] = l0; 16638852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry dst[12+qRow] = l0; 16648852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 16653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 16663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Texture result verification 16683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 16703c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 16713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 16723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 16733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView& baseView, 16743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 16753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 16763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 16773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 16783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 16793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 16803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 16813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 16823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 16843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0], texCoord[1], texCoord[2], texCoord[3]); 16863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 16883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 16893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 16903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getWidth(); 16913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 16933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 16943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 16953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 16973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 16983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 16993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 17013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 17033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 17043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 17053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 17063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 17073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 17093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 17113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 17133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 17143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 17153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 17173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 17193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 17203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 17223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 17233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 17253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 17263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 17273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 17283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 17303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 17313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 17323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 17333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 17343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coord = projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy); 17363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * float(srcSize); 17373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * float(srcSize); 17383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); 17403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 17423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 17433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 17453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 17463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 17473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 17483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * float(srcSize); 17503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * float(srcSize); 17513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); 17523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 17543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 17553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 17583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 17593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 17613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 17623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 17633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 17643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 17683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 17703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 17713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17723c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 17733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 17743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 17753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& baseView, 17763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 17773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 17783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 17793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 17803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 17813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 17823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 17833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 17843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 17863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 17883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 17893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 17913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 17923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 17933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 17943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 17953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 17963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 17973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 17983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 17993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 18013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 18033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 18053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 18073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 18083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 18093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 18103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 18113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 18133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 18153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 18173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 18183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 18193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 18213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 18233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 18243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 18263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 18273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 18293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 18303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 18313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 18323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 18343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 18353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 18363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 18373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 18383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 18403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 18413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 18423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 18433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 18443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 18453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 18473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 18493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 18503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 18523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 18533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 18543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 18553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 18573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 18583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 18593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 18603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 18613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 18623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 18633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 18653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 18663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 18693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 18703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 18723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 18733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 18743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 18753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 18793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 18813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 18823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18833c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 18843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 18853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DView& src, 18863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 18873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 18883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 18893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 18903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 18913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 18923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 18933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 18943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 18953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 18963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 18983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 18993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 19003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 19013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 19043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 19063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 19073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 19113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 19123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 19133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 19153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 19173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 19183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19193c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 19203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 19213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& src, 19223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 19233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 19243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 19253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 19263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 19273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 19283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 19293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 19303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 19313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 19323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 19343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 19363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 19373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 19403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 19423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 19433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 19453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 19473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 19483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 19493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 19513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 19533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 19543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 19563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 19573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 19583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 19593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& baseView, 19603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 19613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 19623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 19633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 19643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 19653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 19663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 19673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 19683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 19703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 19723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 19733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 19743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 19763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 19773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 19783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 19793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 19813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 19823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 19833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 19843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 19853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 19873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float posEps = 1.0f / float((1<<4) + 1); // ES3 requires at least 4 subpixel bits. 19893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 19913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 19933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 19943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 19953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 19963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 19973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 19983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 19993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Not strictly allowed by spec, but implementations do this in practice. 20003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, -1), 20013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, +1), 20023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, -1), 20033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, -1), 20043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 20053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 20073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 20093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 20113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 20123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 20133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 20153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 20173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 20183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 20203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 20213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 20233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 20243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 20253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 20263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool tri0 = nx + ny - posEps <= 1.0f; 20283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool tri1 = nx + ny + posEps >= 1.0f; 20293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk = false; 20313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(tri0 || tri1); 20333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Pixel can belong to either of the triangles if it lies close enough to the edge. 20353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) 20363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 20383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 20393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 20403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 20413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 20433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 20443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 20453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 20463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 20473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 20483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 20493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 20503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 20513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord, coordDx, coordDy, srcSize, lodPrec); 20533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 20553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 20563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 20583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 20593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 20603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 20613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 20633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 20643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 20653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 20663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 20673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 20683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 20693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 20703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 20713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 20723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 20743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 20753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 20783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix)) 20803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk = true; 20823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 20833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 20873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 20883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 20893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 20903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 20943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 20963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 20973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 20983c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 20993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 21003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& src, 21013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 21023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 21033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 21043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 21053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 21063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 21073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 21083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 21093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 21103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 21113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 21133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTextureMultiFace(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 21153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 21163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 21183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 21193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 21213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 21223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 21243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 21263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 21273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 21283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 21303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 21323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 21333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 21353c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 21363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 21373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 21383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView& baseView, 21393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 21403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 21413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 21423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 21433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 21443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 21453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 21463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 21473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 21493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 21513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 21523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 21533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 21553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 21563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 21573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec3 srcSize = tcu::IVec3(src.getWidth(), src.getHeight(), src.getDepth()); 21583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 21603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 21613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 21623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 21633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 21643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 21663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 21683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 21703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 21723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 21733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 21743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 21753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 21763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 21783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 21803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 21823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 21833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 21843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 21863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 21883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 21893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 21913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 21923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 21933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 21943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 21953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 21963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 21973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 21983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 21993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 22003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 22013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 22023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 22033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 22053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 22063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 22073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 22083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 22093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 22103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 22113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 22123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 22133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDx.z(), coordDy.x(), coordDy.y(), coordDy.z(), lodPrec); 22153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 22173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 22183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 22193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 22203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 22213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 22223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 22233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 22253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 22263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 22273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDxo = tcu::Vec3(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 22283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 22293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 22303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDyo = tcu::Vec3(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 22313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 22323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 22333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDxo.z(), coordDyo.x(), coordDyo.y(), coordDyo.z(), lodPrec); 22343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 22363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 22373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 22403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 22413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 22433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 22443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 22453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 22463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 22523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 22533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22543c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 22553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 22563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture3DView& src, 22573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 22583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 22593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 22603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 22613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 22623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 22633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 22643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 22653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 22663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 22673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 22693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 22713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 22723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 22743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 22753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 22773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 22783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 22803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 22813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 22823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 22833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 22843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 22863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 22883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 22893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 22903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 22913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 22923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 22933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 22943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DArrayView& src, 22953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 22963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 22973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 22983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 22993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 23003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 23013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 23023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 23033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 23053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 23063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 23083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 23093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 23103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcSize = float(src.getWidth()); // For lod computation, thus #layers is ignored. 23113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 23133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 23143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 23153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 23163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 23183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 23203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 23223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 23243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 23253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 23263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 23273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 23283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 23303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 23323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 23343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 23353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 23363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 23383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 23403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 23413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 23433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 23443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 23463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 23473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 23483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 23493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 23513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 23523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 23533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 23543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 23553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 23573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 23583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDx = triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy) * srcSize; 23593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDy = triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx) * srcSize; 23603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx, coordDy, lodPrec); 23623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 23643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 23653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 23673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 23683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 23693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 23703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 23723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 23733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDxo = triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo) * srcSize; 23743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float coordDyo = triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo) * srcSize; 23753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo, coordDyo, lodPrec); 23763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 23783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 23793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 23823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 23833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 23853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 23863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 23873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 23883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 23923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 23943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 23953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 23963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 23973c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 23983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 23993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 24003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 24013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 24023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 24033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 24043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 24053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog* watchDog) 24063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 24073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 24083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 24093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 24113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 24123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 24133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 24153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 24163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 24173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()).asFloat(); // For lod computation, thus #layers is ignored. 24183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 24203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 24213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 24223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 24233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 24243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 24263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 24283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 24303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 24323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 24333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 24343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 24353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 24363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 24383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 24403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 24423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (watchDog) 24433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpWatchDog_touch(watchDog); 24443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 24463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 24483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 24493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 24513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 24523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 24543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 24553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 24563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 24573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 24593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 24603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 24613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 24623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 24633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 24653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 24663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 24673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 24683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize; 24693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 24703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize; 24713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 24733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 24753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 24763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 24773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 24783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 24793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 24803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 24813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 24833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 24843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 24853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 24863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize; 24873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 24883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize; 24893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 24903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 24923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 24933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 24943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 24963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coord, clampedLod, resPix); 24973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 24983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 24993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 25013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 25023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 25083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 25093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25103c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 25113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 25123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture1DArrayView& src, 25133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 25143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 25153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 25163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 25173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 25183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 25193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 25203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 25213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 25223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 25233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 25253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 25273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 25283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 25313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 25333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 25343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 25383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 25393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 25403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 25423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 25443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 25453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25463c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 25473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 25483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 25493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 25503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 25513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 25523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 25533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat& pixelFormat) 25543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 25553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 25563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 25573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 25583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailedPixels; 25593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 25613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 25633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, lodPrec, testCtx.getWatchDog()); 25643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 25673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 25693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 25703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 25713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailedPixels > 0) 25723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 25733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 25748852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 25758852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 25768852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25778852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::EndImageSet; 25788852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25798852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return numFailedPixels == 0; 25808852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 25818852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25828852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry//! Verifies texture lookup results and returns number of failed pixels. 25838852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyryint computeTextureLookupDiff (const tcu::ConstPixelBufferAccess& result, 25848852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 25858852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 25868852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView& baseView, 25878852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float* texCoord, 25888852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const ReferenceParams& sampleParams, 25898852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 25908852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec4& coordBits, 25918852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LodPrecision& lodPrec, 25928852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry qpWatchDog* watchDog) 25938852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 25948852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 25958852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 25968852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25978852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView src = getSubView(baseView, sampleParams.baseLevel, sampleParams.maxLevel); 25988852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 25998852c82a1ffa4760985c17cc6875d5d521daf343Jarkko 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 26008852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[4+0], texCoord[8+0], texCoord[12+0]); 26018852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[4+1], texCoord[8+1], texCoord[12+1]); 26028852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[4+2], texCoord[8+2], texCoord[12+2]); 26038852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 qq = tcu::Vec4(texCoord[0+3], texCoord[4+3], texCoord[8+3], texCoord[12+3]); 26048852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26058852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 26068852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float dstW = float(dstSize.x()); 26078852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float dstH = float(dstSize.y()); 26088852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const int srcSize = src.getSize(); 26098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26108852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Coordinates per triangle. 26118852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 26128852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 26138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 26148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triQ[2] = { qq.swizzle(0, 1, 2), qq.swizzle(3, 2, 1) }; 26158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 26168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 26188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float posEps = 1.0f / float((1<<4) + 1); // ES3 requires at least 4 subpixel bits. 26208852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26218852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry int numFailed = 0; 26228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26238852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodOffsets[] = 26248852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26258852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, 0), 26268852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(+1, 0), 26278852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2( 0, -1), 26288852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2( 0, +1), 26298852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26308852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // \note Not strictly allowed by spec, but implementations do this in practice. 26318852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, -1), 26328852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(-1, +1), 26338852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(+1, -1), 26348852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2(+1, -1), 26358852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry }; 26368852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26378852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 26388852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26398852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 26408852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26418852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Ugly hack, validation can take way too long at the moment. 26428852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (watchDog) 26438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry qpWatchDog_touch(watchDog); 26448852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26458852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 26468852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 resPix = (result.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 26488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 refPix = (reference.getPixel(px, py) - sampleParams.colorBias) / sampleParams.colorScale; 26498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26508852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Try comparison to ideal reference first, and if that fails use slower verificator. 26518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(resPix - refPix), lookupPrec.colorThreshold))) 26528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wx = (float)px + 0.5f; 26548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wy = (float)py + 0.5f; 26558852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nx = wx / dstW; 26568852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float ny = wy / dstH; 26578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const bool tri0 = nx + ny - posEps <= 1.0f; 26598852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const bool tri1 = nx + ny + posEps >= 1.0f; 26608852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26618852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry bool isOk = false; 26628852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26638852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(tri0 || tri1); 26648852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26658852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Pixel can belong to either of the triangles if it lies close enough to the edge. 26668852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int triNdx = (tri0?0:1); triNdx <= (tri1?1:0); triNdx++) 26678852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26688852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 26698852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 26708852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 26718852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 26728852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26738852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec4 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 26748852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 26758852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy), 26768852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triQ[triNdx], triW[triNdx], triNx, triNy)); 26778852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 26788852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 26798852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 26808852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 26818852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 26828852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 26838852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26848852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord.toWidth<3>(), coordDx, coordDy, srcSize, lodPrec); 26858852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26868852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry // Compute lod bounds across lodOffsets range. 26878852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 26888852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 26898852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 26908852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 26918852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nxo = wxo/dstW; 26928852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float nyo = wyo/dstH; 26938852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 26948852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 26958852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 26968852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 26978852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 26988852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 26998852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 27008852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 27018852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 27028852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 27038852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 27048852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27058852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 27068852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 27078852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27088852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27098852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 27108852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27118852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (tcu::isLookupResultValid(src, sampleParams.sampler, lookupPrec, coordBits, coord, clampedLod, resPix)) 27128852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27138852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry isOk = true; 27148852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry break; 27158852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27168852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27178852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27188852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (!isOk) 27198852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27208852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 27218852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry numFailed += 1; 27228852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27238852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27248852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27258852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry } 27268852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27278852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry return numFailed; 27288852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry} 27298852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27308852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyrybool verifyTextureResult (tcu::TestContext& testCtx, 27318852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::ConstPixelBufferAccess& result, 27328852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::TextureCubeArrayView& src, 27338852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const float* texCoord, 27348852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const ReferenceParams& sampleParams, 27358852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LookupPrecision& lookupPrec, 27368852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::IVec4& coordBits, 27378852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::LodPrecision& lodPrec, 27388852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry const tcu::PixelFormat& pixelFormat) 27398852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry{ 27408852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::TestLog& log = testCtx.getLog(); 27418852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Surface reference (result.getWidth(), result.getHeight()); 27428852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry tcu::Surface errorMask (result.getWidth(), result.getHeight()); 27438852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry int numFailedPixels; 27448852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27458852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry DE_ASSERT(getCompareMask(pixelFormat) == lookupPrec.colorMask); 27468852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27478852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry sampleTexture(SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 27488852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry numFailedPixels = computeTextureLookupDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, lookupPrec, coordBits, lodPrec, testCtx.getWatchDog()); 27498852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27508852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (numFailedPixels > 0) 27518852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 27528852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27538852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::ImageSet("VerifyResult", "Verification result") 27548852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry << TestLog::Image("Rendered", "Rendered image", result); 27558852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry 27568852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry if (numFailedPixels > 0) 27578852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry { 27588852c82a1ffa4760985c17cc6875d5d521daf343Jarkko Poyry log << TestLog::Image("Reference", "Ideal reference image", reference) 27593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("ErrorMask", "Error mask", errorMask); 27603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 27613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 27633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailedPixels == 0; 27653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 27663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Shadow lookup verification 27683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27693c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 27703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 27713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 27723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DView& src, 27733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 27743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 27753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 27763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 27773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 27783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 27793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 27803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 27813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[2+0], texCoord[4+0], texCoord[6+0]); 27833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[2+1], texCoord[4+1], texCoord[6+1]); 27843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 27863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 27873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 27883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 27893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 27913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 27923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 27933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 27943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 27963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 27983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 27993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 28003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 28023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 28033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 28043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 28053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 28063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 28083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 28103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 28123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 28143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 28153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Other channels should trivially match to reference. 28173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 28183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 28203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 28213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 28223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 28263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 28273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 28283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 28293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 28313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 28323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 28333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 28343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 28353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 28373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy)); 28383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 28393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 28403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 28413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 28423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 28443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 28463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 28473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 28493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 28503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 28513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 28523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 28543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 28553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 28563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 28573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 28583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 28593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 28603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 28623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 28633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 28663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 28673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 28693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 28703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 28713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 28723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 28763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 28783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 28793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28803c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 28813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 28823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 28833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TextureCubeView& src, 28843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 28853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 28863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 28873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 28883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 28893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 28903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 28913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 28923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 28943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 28953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 28963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 28973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 28983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 28993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 29003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int srcSize = src.getSize(); 29013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates per triangle. 29033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 29043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 29053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 29063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 29073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 29093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 29113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 29133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 29153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 29163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 29173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 29183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 29193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 29213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 29233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 29253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 29273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 29283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 29303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 29323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 29333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 29343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 29383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 29393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 29403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 29413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 29433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 29443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 29453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 29463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 29473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 29493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 29503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 29513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDx (triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 29523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy), 29533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wx, dstW, triNy)); 29543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDy (triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 29553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx), 29563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wy, dstH, triNx)); 29573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeCubeLodBoundsFromDerivates(coord, coordDx, coordDy, srcSize, lodPrec); 29593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 29613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 29623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 29643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 29653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 29663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 29673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 29693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo), 29703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], nxo, nyo)); 29713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDxo (triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 29723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo), 29733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triR[triNdx], triW[triNdx], wxo, dstW, nyo)); 29743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coordDyo (triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 29753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo), 29763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triR[triNdx], triW[triNdx], wyo, dstH, nxo)); 29773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeCubeLodBoundsFromDerivates(coordO, coordDxo, coordDyo, srcSize, lodPrec); 29783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 29803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 29813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 29843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 29853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 29873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 29883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 29893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 29903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 29943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 29963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 29973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 29983c827367444ee418f129b2c238299f49d3264554Jarkko Poyryint computeTextureCompareDiff (const tcu::ConstPixelBufferAccess& result, 29993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess& reference, 30003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelBufferAccess& errorMask, 30013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Texture2DArrayView& src, 30023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float* texCoord, 30033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const ReferenceParams& sampleParams, 30043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::TexComparePrecision& comparePrec, 30053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::LodPrecision& lodPrec, 30063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3& nonShadowThreshold) 30073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 30083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == reference.getWidth() && result.getHeight() == reference.getHeight()); 30093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(result.getWidth() == errorMask.getWidth() && result.getHeight() == errorMask.getHeight()); 30103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sq = tcu::Vec4(texCoord[0+0], texCoord[3+0], texCoord[6+0], texCoord[9+0]); 30123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 tq = tcu::Vec4(texCoord[0+1], texCoord[3+1], texCoord[6+1], texCoord[9+1]); 30133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 rq = tcu::Vec4(texCoord[0+2], texCoord[3+2], texCoord[6+2], texCoord[9+2]); 30143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 dstSize = tcu::IVec2(result.getWidth(), result.getHeight()); 30163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dstSize.x()); 30173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dstSize.y()); 30183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::IVec2 srcSize = tcu::IVec2(src.getWidth(), src.getHeight()); 30193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Coordinates and lod per triangle. 30213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triS[2] = { sq.swizzle(0, 1, 2), sq.swizzle(3, 2, 1) }; 30223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triT[2] = { tq.swizzle(0, 1, 2), tq.swizzle(3, 2, 1) }; 30233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triR[2] = { rq.swizzle(0, 1, 2), rq.swizzle(3, 2, 1) }; 30243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 triW[2] = { sampleParams.w.swizzle(0, 1, 2), sampleParams.w.swizzle(3, 2, 1) }; 30253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodBias ((sampleParams.flags & ReferenceParams::USE_BIAS) ? sampleParams.bias : 0.0f); 30273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 30293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodOffsets[] = 30313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(-1, 0), 30333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2(+1, 0), 30343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, -1), 30353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2( 0, +1), 30363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 30373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::clear(errorMask, tcu::RGBA::green.toVec()); 30393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int py = 0; py < result.getHeight(); py++) 30413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int px = 0; px < result.getWidth(); px++) 30433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 resPix = result.getPixel(px, py); 30453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 refPix = reference.getPixel(px, py); 30463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!tcu::boolAll(tcu::lessThanEqual(tcu::abs(refPix.swizzle(1,2,3) - resPix.swizzle(1,2,3)), nonShadowThreshold))) 30483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 30503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 30513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 30523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wx = (float)px + 0.5f; 30563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wy = (float)py + 0.5f; 30573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nx = wx / dstW; 30583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float ny = wy / dstH; 30593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int triNdx = nx + ny >= 1.0f ? 1 : 0; 30613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWx = triNdx ? dstW - wx : wx; 30623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triWy = triNdx ? dstH - wy : wy; 30633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNx = triNdx ? 1.0f - nx : nx; 30643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float triNy = triNdx ? 1.0f - ny : ny; 30653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec3 coord (projectedTriInterpolate(triS[triNdx], triW[triNdx], triNx, triNy), 30673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], triNx, triNy), 30683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triR[triNdx], triW[triNdx], triNx, triNy)); 30693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDx = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wx, dstW, triNy), 30703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wx, dstW, triNy)) * srcSize.asFloat(); 30713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDy = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wy, dstH, triNx), 30723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wy, dstH, triNx)) * srcSize.asFloat(); 30733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec2 lodBounds = tcu::computeLodBoundsFromDerivates(coordDx.x(), coordDx.y(), coordDy.x(), coordDy.y(), lodPrec); 30753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Compute lod bounds across lodOffsets range. 30773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int lodOffsNdx = 0; lodOffsNdx < DE_LENGTH_OF_ARRAY(lodOffsets); lodOffsNdx++) 30783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 30793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wxo = triWx + lodOffsets[lodOffsNdx].x(); 30803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float wyo = triWy + lodOffsets[lodOffsNdx].y(); 30813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nxo = wxo/dstW; 30823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float nyo = wyo/dstH; 30833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordO (projectedTriInterpolate(triS[triNdx], triW[triNdx], nxo, nyo), 30853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry projectedTriInterpolate(triT[triNdx], triW[triNdx], nxo, nyo)); 30863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDxo = tcu::Vec2(triDerivateX(triS[triNdx], triW[triNdx], wxo, dstW, nyo), 30873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateX(triT[triNdx], triW[triNdx], wxo, dstW, nyo)) * srcSize.asFloat(); 30883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 coordDyo = tcu::Vec2(triDerivateY(triS[triNdx], triW[triNdx], wyo, dstH, nxo), 30893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry triDerivateY(triT[triNdx], triW[triNdx], wyo, dstH, nxo)) * srcSize.asFloat(); 30903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 lodO = tcu::computeLodBoundsFromDerivates(coordDxo.x(), coordDxo.y(), coordDyo.x(), coordDyo.y(), lodPrec); 30913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.x() = de::min(lodBounds.x(), lodO.x()); 30933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lodBounds.y() = de::max(lodBounds.y(), lodO.y()); 30943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 30953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec2 clampedLod = tcu::clampLodBounds(lodBounds + lodBias, tcu::Vec2(sampleParams.minLod, sampleParams.maxLod), lodPrec); 30973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isTexCompareResultValid(src, sampleParams.sampler, comparePrec, coord, clampedLod, sampleParams.ref, resPix.x()); 30983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 30993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 31003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(tcu::RGBA::red.toVec(), px, py); 31023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 31033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 31093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 31103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Mipmap generation comparison. 31123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31133c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapBilinear (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 31143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 31153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 31163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 31183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 31193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 31203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 31213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 31223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Translation to lookup verification parameters. 31243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Sampler sampler (tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, 31253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Sampler::LINEAR, tcu::Sampler::LINEAR, 0.0f, false /* non-normalized coords */); 31263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::LookupPrecision lookupPrec; 31273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorThreshold = precision.colorThreshold; 31293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorMask = precision.colorMask; 31303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.coordBits = tcu::IVec3(22); 31313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.uvwBits = precision.filterBits; 31323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 31343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 31353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 31373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cx = (float(x)+0.5f) / dstW * srcW; 31383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cy = (float(y)+0.5f) / dstH * srcH; 31393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLinearSampleResultValid(src, sampler, lookupPrec, tcu::Vec2(cx, cy), 0, result); 31403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 31423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 31433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 31443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 31473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 31483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31493c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapBox (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 31503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 31513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 31523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 31543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 31553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 31563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 31573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 31583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Translation to lookup verification parameters. 31603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Sampler sampler (tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, tcu::Sampler::CLAMP_TO_EDGE, 31613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Sampler::LINEAR, tcu::Sampler::LINEAR, 0.0f, false /* non-normalized coords */); 31623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::LookupPrecision lookupPrec; 31633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorThreshold = precision.colorThreshold; 31653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.colorMask = precision.colorMask; 31663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.coordBits = tcu::IVec3(22); 31673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry lookupPrec.uvwBits = precision.filterBits; 31683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 31703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 31713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 31733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cx = deFloatFloor(float(x) / dstW * srcW) + 1.0f; 31743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cy = deFloatFloor(float(y) / dstH * srcH) + 1.0f; 31753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool isOk = tcu::isLinearSampleResultValid(src, sampler, lookupPrec, tcu::Vec2(cx, cy), 0, result); 31763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 31783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 31793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 31803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 31813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 31833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 31843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31853c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic int compareGenMipmapVeryLenient (const tcu::ConstPixelBufferAccess& dst, const tcu::ConstPixelBufferAccess& src, const tcu::PixelBufferAccess& errorMask, const GenMipmapPrecision& precision) 31863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 31873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(dst.getDepth() == 1 && src.getDepth() == 1); // \todo [2013-10-29 pyry] 3D textures. 31883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_UNREF(precision); 31893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstW = float(dst.getWidth()); 31913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float dstH = float(dst.getHeight()); 31923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcW = float(src.getWidth()); 31933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float srcH = float(src.getHeight()); 31943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int numFailed = 0; 31953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 31963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < dst.getHeight(); y++) 31973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < dst.getWidth(); x++) 31983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 31993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 result = dst.getPixel(x, y); 32003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int minX = deFloorFloatToInt32(float(x-0.5f) / dstW * srcW); 32013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int minY = deFloorFloatToInt32(float(y-0.5f) / dstH * srcH); 32023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxX = deCeilFloatToInt32(float(x+1.5f) / dstW * srcW); 32033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxY = deCeilFloatToInt32(float(y+1.5f) / dstH * srcH); 32043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Vec4 minVal, maxVal; 32053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk; 32063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(minX < maxX && minY < maxY); 32083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int ky = minY; ky <= maxY; ky++) 32103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int kx = minX; kx <= maxX; kx++) 32123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int sx = de::clamp(kx, 0, src.getWidth()-1); 32143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int sy = de::clamp(ky, 0, src.getHeight()-1); 32153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 sample = src.getPixel(sx, sy); 32163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (ky == minY && kx == minX) 32183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry minVal = sample; 32203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry maxVal = sample; 32213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry minVal = min(sample, minVal); 32253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry maxVal = max(sample, maxVal); 32263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk = boolAll(logicalAnd(lessThanEqual(minVal, result), lessThanEqual(result, maxVal))); 32313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry errorMask.setPixel(isOk ? tcu::RGBA::green.toVec() : tcu::RGBA::red.toVec(), x, y); 32333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!isOk) 32343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry numFailed += 1; 32353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return numFailed; 32383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 32393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32403c827367444ee418f129b2c238299f49d3264554Jarkko PoyryqpTestResult compareGenMipmapResult (tcu::TestLog& log, const tcu::Texture2D& resultTexture, const tcu::Texture2D& level0Reference, const GenMipmapPrecision& precision) 32413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 32423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpTestResult result = QP_TEST_RESULT_PASS; 32433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Special comparison for level 0. 32453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 threshold = select(precision.colorThreshold, tcu::Vec4(1.0f), precision.colorMask); 32473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool level0Ok = tcu::floatThresholdCompare(log, "Level0", "Level 0", level0Reference.getLevel(0), resultTexture.getLevel(0), threshold, tcu::COMPARE_LOG_RESULT); 32483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!level0Ok) 32503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level 0 comparison failed!" << TestLog::EndMessage; 32523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 32533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int levelNdx = 1; levelNdx < resultTexture.getNumLevels(); levelNdx++) 32573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess src = resultTexture.getLevel(levelNdx-1); 32593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess dst = resultTexture.getLevel(levelNdx); 32603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (dst.getWidth(), dst.getHeight()); 32613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool levelOk = false; 32623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try different comparisons in quality order. 32643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBilinear(dst, src, errorMask.getAccess(), precision); 32683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 32693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 32703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << " comparison to bilinear method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 32723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBox(dst, src, errorMask.getAccess(), precision); 32773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 32783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 32793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << " comparison to box method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 32813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // At this point all high-quality methods have been used. 32843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk && result == QP_TEST_RESULT_PASS) 32853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_QUALITY_WARNING; 32863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 32893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapVeryLenient(dst, src, errorMask.getAccess(), precision); 32903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 32913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 32923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 32933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level " << levelNdx << " appears to contain " << numFailed << " completely wrong pixels, failing case!" << TestLog::EndMessage; 32943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 32953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 32973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 32983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 32993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet(string("Level") + de::toString(levelNdx), string("Level ") + de::toString(levelNdx) + " result") 33003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Result", "Result", dst); 33013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ErrorMask", "Error mask", errorMask); 33043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 33063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return result; 33093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 33103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33113c827367444ee418f129b2c238299f49d3264554Jarkko PoyryqpTestResult compareGenMipmapResult (tcu::TestLog& log, const tcu::TextureCube& resultTexture, const tcu::TextureCube& level0Reference, const GenMipmapPrecision& precision) 33123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 33133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry qpTestResult result = QP_TEST_RESULT_PASS; 33143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* s_faceNames[] = { "-X", "+X", "-Y", "+Y", "-Z", "+Z" }; 33163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_faceNames) == tcu::CUBEFACE_LAST); 33173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Special comparison for level 0. 33193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 33203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::CubeFace(faceNdx); 33223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 threshold = select(precision.colorThreshold, tcu::Vec4(1.0f), precision.colorMask); 33233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool level0Ok = tcu::floatThresholdCompare(log, 33243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ("Level0Face" + de::toString(faceNdx)).c_str(), 33253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry (string("Level 0, face ") + s_faceNames[face]).c_str(), 33263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry level0Reference.getLevelFace(0, face), 33273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry resultTexture.getLevelFace(0, face), 33283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry threshold, tcu::COMPARE_LOG_RESULT); 33293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!level0Ok) 33313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level 0, face " << s_faceNames[face] << " comparison failed!" << TestLog::EndMessage; 33333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 33343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int levelNdx = 1; levelNdx < resultTexture.getNumLevels(); levelNdx++) 33383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 33403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::CubeFace face = tcu::CubeFace(faceNdx); 33423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* faceName = s_faceNames[face]; 33433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess src = resultTexture.getLevelFace(levelNdx-1, face); 33443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::ConstPixelBufferAccess dst = resultTexture.getLevelFace(levelNdx, face); 33453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface errorMask (dst.getWidth(), dst.getHeight()); 33463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool levelOk = false; 33473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Try different comparisons in quality order. 33493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBilinear(dst, src, errorMask.getAccess(), precision); 33533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << ", face " << faceName << " comparison to bilinear method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 33573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapBox(dst, src, errorMask.getAccess(), precision); 33623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "WARNING: Level " << levelNdx << ", face " << faceName <<" comparison to box method failed, found " << numFailed << " invalid pixels." << TestLog::EndMessage; 33663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // At this point all high-quality methods have been used. 33693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk && result == QP_TEST_RESULT_PASS) 33703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_QUALITY_WARNING; 33713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 33743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numFailed = compareGenMipmapVeryLenient(dst, src, errorMask.getAccess(), precision); 33753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (numFailed == 0) 33763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry levelOk = true; 33773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 33783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "ERROR: Level " << levelNdx << ", face " << faceName << " appears to contain " << numFailed << " completely wrong pixels, failing case!" << TestLog::EndMessage; 33793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result = QP_TEST_RESULT_FAIL; 33833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::ImageSet(string("Level") + de::toString(levelNdx) + "Face" + de::toString(faceNdx), string("Level ") + de::toString(levelNdx) + ", face " + string(faceName) + " result") 33853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Image("Result", "Result", dst); 33863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!levelOk) 33883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ErrorMask", "Error mask", errorMask); 33893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::EndImageSet; 33913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 33933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return result; 33953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 33963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry// Logging utilities. 33983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 33993c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystd::ostream& operator<< (std::ostream& str, const LogGradientFmt& fmt) 34003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 34013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return str << "(R: " << fmt.valueMin->x() << " -> " << fmt.valueMax->x() << ", " 34023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "G: " << fmt.valueMin->y() << " -> " << fmt.valueMax->y() << ", " 34033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "B: " << fmt.valueMin->z() << " -> " << fmt.valueMax->z() << ", " 34043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "A: " << fmt.valueMin->w() << " -> " << fmt.valueMax->w() << ")"; 34053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 34063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 34073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // TextureTestUtil 34083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // gls 34093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // deqp 3410