13c827367444ee418f129b2c238299f49d3264554Jarkko Poyry/*------------------------------------------------------------------------- 23c827367444ee418f129b2c238299f49d3264554Jarkko Poyry * drawElements Quality Program OpenGL ES 2.0 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 glDepthRangef() tests. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "es2fDepthRangeTests.hpp" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuVector.hpp" 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTestLog.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuSurface.hpp" 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuImageCompare.hpp" 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuRenderTarget.hpp" 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluPixelTransfer.hpp" 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluShaderProgram.hpp" 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluRenderContext.hpp" 333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deRandom.hpp" 343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deMath.h" 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deString.h" 363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glw.h" 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace deqp 403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace gles2 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace Functional 443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyryenum 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry VISUALIZE_DEPTH_STEPS = 32 //!< Number of depth steps in visualization 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::Vec2; 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::Vec3; 533c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::Vec4; 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::TestLog; 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::string; 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::vector; 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic const char* s_vertexShaderSrc = 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "attribute highp vec4 a_position;\n" 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "attribute highp vec2 a_coord;\n" 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_Position = a_position;\n" 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic const char* s_fragmentShaderSrc = 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "uniform mediump vec4 u_color;\n" 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "void main (void)\n" 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "{\n" 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry " gl_FragColor = u_color;\n" 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry "}\n"; 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyrytemplate <typename T> 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline bool compare (deUint32 func, T a, T b) 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (func) 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_NEVER: return false; 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_ALWAYS: return true; 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_LESS: return a < b; 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_LEQUAL: return a <= b; 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_EQUAL: return a == b; 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_NOTEQUAL: return a != b; 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_GEQUAL: return a >= b; 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case GL_GREATER: return a > b; 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(DE_FALSE); 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return false; 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triangleInterpolate (const float v0, const float v1, const float v2, const float x, const float y) 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return v0 + (v2-v0)*x + (v1-v0)*y; 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float triQuadInterpolate (const float x, const float y, const tcu::Vec4& quad) 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // \note Top left fill rule. 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (x + y < 1.0f) 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.x(), quad.y(), quad.z(), x, y); 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return triangleInterpolate(quad.w(), quad.z(), quad.y(), 1.0f-x, 1.0f-y); 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyryinline float depthRangeTransform (const float zd, const float zNear, const float zFar) 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cNear = de::clamp(zNear, 0.0f, 1.0f); 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float cFar = de::clamp(zFar, 0.0f, 1.0f); 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return ((cFar - cNear)/2.0f) * zd + (cNear + cFar)/2.0f; 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyryclass DepthRangeCompareCase : public TestCase 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyrypublic: 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DepthRangeCompareCase (Context& context, const char* name, const char* desc, const tcu::Vec4& depthCoord, const float zNear, const float zFar, const deUint32 compareFunc); 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ~DepthRangeCompareCase (void); 1173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry IterateResult iterate (void); 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyryprivate: 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 m_depthCoord; 1223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float m_zNear; 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float m_zFar; 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const deUint32 m_compareFunc; 1253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 1263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1273c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeCompareCase::DepthRangeCompareCase (Context& context, const char* name, const char* desc, const tcu::Vec4& depthCoord, const float zNear, const float zFar, const deUint32 compareFunc) 1283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCase (context, name, desc) 1293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_depthCoord (depthCoord) 1303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_zNear (zNear) 1313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_zFar (zFar) 1323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_compareFunc (compareFunc) 1333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1363c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeCompareCase::~DepthRangeCompareCase (void) 1373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1403c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeCompareCase::IterateResult DepthRangeCompareCase::iterate (void) 1413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 1433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::Random rnd (deStringHash(getName())); 1443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::RenderTarget& renderTarget = m_context.getRenderContext().getRenderTarget(); 1453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportW = de::min(128, renderTarget.getWidth()); 1463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportH = de::min(128, renderTarget.getHeight()); 1473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportX = rnd.getInt(0, renderTarget.getWidth()-viewportW); 1483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportY = rnd.getInt(0, renderTarget.getHeight()-viewportH); 1493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface renderedFrame (viewportW, viewportH); 1503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface referenceFrame (viewportW, viewportH); 1513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float constDepth = 0.1f; 1523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (renderTarget.getDepthBits() == 0) 1543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry throw tcu::NotSupportedError("Depth buffer is required", "", __FILE__, __LINE__); 1553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glu::ShaderProgram program (m_context.getRenderContext(), glu::makeVtxFragSources(s_vertexShaderSrc, s_fragmentShaderSrc)); 1573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!program.isOk()) 1593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << program; 1613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TCU_FAIL("Compile failed"); 1623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int colorLoc = glGetUniformLocation(program.getProgram(), "u_color"); 1653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int posLoc = glGetAttribLocation(program.getProgram(), "a_position"); 1663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.getLog() << TestLog::Message << "glDepthRangef(" << m_zNear << ", " << m_zFar << ")" << TestLog::EndMessage; 1683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glViewport(viewportX, viewportY, viewportW, viewportH); 1703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT); 1713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glEnable(GL_DEPTH_TEST); 1723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUseProgram(program.getProgram()); 1733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glEnableVertexAttribArray(posLoc); 1743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const deUint16 quadIndices[] = { 0, 1, 2, 2, 1, 3 }; 1763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Fill viewport with 2 quads - one with constant depth and another with d = [-1..1] 1783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float constDepthCoord[] = 1803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, constDepth, 1.0f, 1823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, constDepth, 1.0f, 1833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 0.0f, -1.0f, constDepth, 1.0f, 1843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 0.0f, +1.0f, constDepth, 1.0f 1853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 1863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const float varyingDepthCoord[] = 1873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 0.0f, -1.0f, +1.0f, 1.0f, 1893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 0.0f, +1.0f, 0.0f, 1.0f, 1903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, 0.0f, 1.0f, 1913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, +1.0f, -1.0f, 1.0f 1923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 1933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUniform4f(colorLoc, 0.0f, 0.0f, 1.0f, 1.0f); 1953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthFunc(GL_ALWAYS); 1963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, &constDepthCoord); 1983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDrawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(quadIndices), GL_UNSIGNED_SHORT, &quadIndices[0]); 1993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, &varyingDepthCoord); 2013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDrawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(quadIndices), GL_UNSIGNED_SHORT, &quadIndices[0]); 2023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK(); 2043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render with depth test. 2073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float position[] = 2093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, m_depthCoord[0], 1.0f, 2113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, m_depthCoord[1], 1.0f, 2123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, m_depthCoord[2], 1.0f, 2133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, +1.0f, m_depthCoord[3], 1.0f 2143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 2153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthRangef(m_zNear, m_zFar); 2173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthFunc(m_compareFunc); 2183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUniform4f(colorLoc, 0.0f, 1.0f, 0.0f, 1.0f); 2193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, &position[0]); 2213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDrawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(quadIndices), GL_UNSIGNED_SHORT, &quadIndices[0]); 2223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK(); 2243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::readPixels(m_context.getRenderContext(), viewportX, viewportY, renderedFrame.getAccess()); 2273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render reference. 2293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < referenceFrame.getHeight(); y++) 2303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / referenceFrame.getHeight(); 2323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int half = de::clamp((int)((float)referenceFrame.getWidth()*0.5f + 0.5f), 0, referenceFrame.getWidth()); 2333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Fill left half - comparison to constant 0.5 2353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < half; x++) 2363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)referenceFrame.getWidth(); 2383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = depthRangeTransform(triQuadInterpolate(xf, yf, m_depthCoord), m_zNear, m_zFar); 2393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool dpass = compare(m_compareFunc, d, constDepth*0.5f + 0.5f); 2403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry referenceFrame.setPixel(x, y, dpass ? tcu::RGBA::green : tcu::RGBA::blue); 2423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Fill right half - comparison to interpolated depth 2453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = half; x < referenceFrame.getWidth(); x++) 2463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)referenceFrame.getWidth(); 2483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xh = ((float)x - half + 0.5f) / (float)(referenceFrame.getWidth()-half); 2493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float rd = 1.0f - (xh + yf) * 0.5f; 2503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = depthRangeTransform(triQuadInterpolate(xf, yf, m_depthCoord), m_zNear, m_zFar); 2513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool dpass = compare(m_compareFunc, d, rd); 2523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry referenceFrame.setPixel(x, y, dpass ? tcu::RGBA::green : tcu::RGBA::blue); 2543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk = tcu::fuzzyCompare(log, "Result", "Image comparison result", referenceFrame, renderedFrame, 0.05f, tcu::COMPARE_LOG_RESULT); 2583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 2593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk ? "Pass" : "Fail"); 2603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 2613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2633c827367444ee418f129b2c238299f49d3264554Jarkko Poyryclass DepthRangeWriteCase : public TestCase 2643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2653c827367444ee418f129b2c238299f49d3264554Jarkko Poyrypublic: 2663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DepthRangeWriteCase (Context& context, const char* name, const char* desc, const tcu::Vec4& depthCoord, const float zNear, const float zFar); 2673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ~DepthRangeWriteCase (void); 2683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry IterateResult iterate (void); 2703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2713c827367444ee418f129b2c238299f49d3264554Jarkko Poyryprivate: 2723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4& m_depthCoord; 2733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float m_zNear; 2743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float m_zFar; 2753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 2763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2773c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeWriteCase::DepthRangeWriteCase (Context& context, const char* name, const char* desc, const tcu::Vec4& depthCoord, const float zNear, const float zFar) 2783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCase (context, name, desc) 2793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_depthCoord (depthCoord) 2803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_zNear (zNear) 2813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_zFar (zFar) 2823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2853c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeWriteCase::~DepthRangeWriteCase (void) 2863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2893c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeWriteCase::IterateResult DepthRangeWriteCase::iterate (void) 2903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 2923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry de::Random rnd (deStringHash(getName())); 2933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::RenderTarget& renderTarget = m_context.getRenderContext().getRenderTarget(); 2943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportW = de::min(128, renderTarget.getWidth()); 2953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportH = de::min(128, renderTarget.getHeight()); 2963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportX = rnd.getInt(0, renderTarget.getWidth()-viewportW); 2973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportY = rnd.getInt(0, renderTarget.getHeight()-viewportH); 2983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface renderedFrame (viewportW, viewportH); 2993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::Surface referenceFrame (viewportW, viewportH); 3003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numDepthSteps = VISUALIZE_DEPTH_STEPS; 3013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float depthStep = 1.0f/(float)(numDepthSteps-1); 3023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (renderTarget.getDepthBits() == 0) 3043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry throw tcu::NotSupportedError("Depth buffer is required", "", __FILE__, __LINE__); 3053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glu::ShaderProgram program (m_context.getRenderContext(), glu::makeVtxFragSources(s_vertexShaderSrc, s_fragmentShaderSrc)); 3073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!program.isOk()) 3093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << program; 3113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TCU_FAIL("Compile failed"); 3123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int colorLoc = glGetUniformLocation(program.getProgram(), "u_color"); 3153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int posLoc = glGetAttribLocation(program.getProgram(), "a_position"); 3163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.getLog() << TestLog::Message << "glDepthRangef(" << m_zNear << ", " << m_zFar << ")" << TestLog::EndMessage; 3183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glViewport(viewportX, viewportY, viewportW, viewportH); 3203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT); 3213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glEnable(GL_DEPTH_TEST); 3223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUseProgram(program.getProgram()); 3233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glEnableVertexAttribArray(posLoc); 3243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const deUint16 quadIndices[] = { 0, 1, 2, 2, 1, 3 }; 3263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render with depth range. 3283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float position[] = 3303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, m_depthCoord[0], 1.0f, 3323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, m_depthCoord[1], 1.0f, 3333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, m_depthCoord[2], 1.0f, 3343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, +1.0f, m_depthCoord[3], 1.0f 3353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 3363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthFunc(GL_ALWAYS); 3383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthRangef(m_zNear, m_zFar); 3393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUniform4f(colorLoc, 0.0f, 1.0f, 0.0f, 1.0f); 3403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, &position[0]); 3413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDrawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(quadIndices), GL_UNSIGNED_SHORT, &quadIndices[0]); 3423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK(); 3433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Visualize by rendering full-screen quads with increasing depth and color. 3463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthFunc(GL_LEQUAL); 3483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthMask(GL_FALSE); 3493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDepthRangef(0.0f, 1.0f); 3503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int stepNdx = 0; stepNdx < numDepthSteps; stepNdx++) 3523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float f = (float)stepNdx*depthStep; 3543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float depth = f*2.0f - 1.0f; 3553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 color = Vec4(f, f, f, 1.0f); 3563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float position[] = 3583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, -1.0f, depth, 1.0f, 3603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry -1.0f, +1.0f, depth, 1.0f, 3613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, -1.0f, depth, 1.0f, 3623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry +1.0f, +1.0f, depth, 1.0f 3633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 3643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glUniform4fv(colorLoc, 1, color.getPtr()); 3663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, &position[0]); 3673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glDrawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(quadIndices), GL_UNSIGNED_SHORT, &quadIndices[0]); 3683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK(); 3713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::readPixels(m_context.getRenderContext(), viewportX, viewportY, renderedFrame.getAccess()); 3743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Render reference. 3763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < referenceFrame.getHeight(); y++) 3773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < referenceFrame.getWidth(); x++) 3793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float xf = ((float)x + 0.5f) / (float)referenceFrame.getWidth(); 3813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float yf = ((float)y + 0.5f) / (float)referenceFrame.getHeight(); 3823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry float d = depthRangeTransform(triQuadInterpolate(xf, yf, m_depthCoord), m_zNear, m_zFar); 3833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int step = (int)deFloatFloor(d / depthStep); 3843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int col = de::clamp(deRoundFloatToInt32((float)step*depthStep*255.0f), 0, 255); 3853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry referenceFrame.setPixel(x, y, tcu::RGBA(col, col, col, 0xff)); 3873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool isOk = tcu::fuzzyCompare(log, "Result", "Image comparison result", referenceFrame, renderedFrame, 0.05f, tcu::COMPARE_LOG_RESULT); 3913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(isOk ? QP_TEST_RESULT_PASS : QP_TEST_RESULT_FAIL, 3923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isOk ? "Pass" : "Fail"); 3933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 3943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3963c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeTests::DepthRangeTests (Context& context) 3973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCaseGroup(context, "depth_range", "glDepthRangef() tests") 3983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4013c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDepthRangeTests::~DepthRangeTests (void) 4023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4053c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid DepthRangeTests::init (void) 4063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const struct 4083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* name; 4103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* desc; 4113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 depthCoord; 4123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float zNear; 4133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float zFar; 4143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } cases[] = 4153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "default", "Default depth range", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.0f, 1.0f }, 4173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "reverse", "Reversed default range", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 1.0f, 0.0f }, 4183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "zero_to_half", "From 0 to 0.5", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.0f, 0.5f }, 4193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "half_to_one", "From 0.5 to 1", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.5f, 1.0f }, 4203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "half_to_zero", "From 0.5 to 0", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.5f, 0.0f }, 4213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "one_to_half", "From 1 to 0.5", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 1.0f, 0.5f }, 4223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "third_to_0_8", "From 1/3 to 0.8", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 1.0f/3.0f, 0.8f }, 4233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "0_8_to_third", "From 0.8 to 1/3", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.8f, 1.0f/3.0f }, 4243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "zero_to_zero", "From 0 to 0", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.0f, 0.0f }, 4253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "half_to_half", "From 0.5 to 0.5", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.5f, 0.5f }, 4263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "one_to_one", "From 1 to 1", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 1.0f, 1.0f }, 4273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "clamp_near", "From -1 to 1", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), -1.0f, 1.0f }, 4283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "clamp_far", "From 0 to 2", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), 0.0f, 2.0 }, 4293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "clamp_both", "From -1 to 2", tcu::Vec4(-1.0f, 0.2f, -0.3f, 1.0f), -1.0, 2.0 } 4303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 4313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // .write 4333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestCaseGroup* writeGroup = new tcu::TestCaseGroup(m_testCtx, "write", "gl_FragDepth write tests"); 4343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(writeGroup); 4353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(cases); ndx++) 4363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry writeGroup->addChild(new DepthRangeWriteCase(m_context, cases[ndx].name, cases[ndx].desc, cases[ndx].depthCoord, cases[ndx].zNear, cases[ndx].zFar)); 4373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // .compare 4393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry tcu::TestCaseGroup* compareGroup = new tcu::TestCaseGroup(m_testCtx, "compare", "gl_FragDepth used with depth comparison"); 4403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(compareGroup); 4413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(cases); ndx++) 4423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry compareGroup->addChild(new DepthRangeCompareCase(m_context, cases[ndx].name, cases[ndx].desc, cases[ndx].depthCoord, cases[ndx].zNear, cases[ndx].zFar, GL_LESS)); 4433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // Functional 4463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // gles3 4473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // deqp 448