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 Dithering tests. 223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry *//*--------------------------------------------------------------------*/ 233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "es2fDitheringTests.hpp" 253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluRenderContext.hpp" 263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluDefs.hpp" 273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glsFragmentOpUtil.hpp" 283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "gluPixelTransfer.hpp" 293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuRenderTarget.hpp" 303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuRGBA.hpp" 313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuVector.hpp" 323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuPixelFormat.hpp" 333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuTestLog.hpp" 343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuSurface.hpp" 353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "tcuCommandLine.hpp" 363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deRandom.hpp" 373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deStringUtil.hpp" 383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deString.h" 393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "deMath.h" 403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include "glw.h" 423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <string> 443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry#include <algorithm> 453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 463c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace deqp 473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 493c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::Vec4; 503c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::IVec4; 513c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::TestLog; 523c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing gls::FragmentOpUtil::QuadRenderer; 533c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing gls::FragmentOpUtil::Quad; 543c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::PixelFormat; 553c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing tcu::Surface; 563c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing de::Random; 573c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::vector; 583c827367444ee418f129b2c238299f49d3264554Jarkko Poyryusing std::string; 593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 603c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace gles2 613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 623c827367444ee418f129b2c238299f49d3264554Jarkko Poyrynamespace Functional 633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 653c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic const char* const s_channelNames[4] = { "red", "green", "blue", "alpha" }; 663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 673c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline IVec4 pixelFormatToIVec4 (const PixelFormat& format) 683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return IVec4(format.redBits, format.greenBits, format.blueBits, format.alphaBits); 703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 723c827367444ee418f129b2c238299f49d3264554Jarkko Poyrytemplate<typename T> 733c827367444ee418f129b2c238299f49d3264554Jarkko Poyrystatic inline string choiceListStr (const vector<T>& choices) 743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry string result; 763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int i = 0; i < (int)choices.size(); i++) 773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (i == (int)choices.size()-1) 793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result += " or "; 803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (i > 0) 813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result += ", "; 823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry result += de::toString(choices[i]); 833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return result; 853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 873c827367444ee418f129b2c238299f49d3264554Jarkko Poyryclass DitheringCase : public tcu::TestCase 883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 893c827367444ee418f129b2c238299f49d3264554Jarkko Poyrypublic: 903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry enum PatternType 913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry PATTERNTYPE_GRADIENT = 0, 933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry PATTERNTYPE_UNICOLORED_QUAD, 943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry PATTERNTYPE_LAST 963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DitheringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* name, const char* description, bool isEnabled, PatternType patternType, const tcu::Vec4& color); 993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry ~DitheringCase (void); 1003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry IterateResult iterate (void); 1023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry void init (void); 1033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry void deinit (void); 1043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const char* getPatternTypeName (PatternType type); 1063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1073c827367444ee418f129b2c238299f49d3264554Jarkko Poyryprivate: 1083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool checkColor (const tcu::Vec4& inputClr, const tcu::RGBA& renderedClr, bool logErrors) const; 1093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool drawAndCheckGradient (bool isVerticallyIncreasing, const tcu::Vec4& highColor) const; 1113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool drawAndCheckUnicoloredQuad (const tcu::Vec4& color) const; 1123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const glu::RenderContext& m_renderCtx; 1143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool m_ditheringEnabled; 1163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const PatternType m_patternType; 1173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::Vec4 m_color; 1183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::PixelFormat m_renderFormat; 1203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const QuadRenderer* m_renderer; 1223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry int m_iteration; 1233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry}; 1243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1253c827367444ee418f129b2c238299f49d3264554Jarkko Poyryconst char* DitheringCase::getPatternTypeName (const PatternType type) 1263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry switch (type) 1283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PATTERNTYPE_GRADIENT: return "gradient"; 1303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry case PATTERNTYPE_UNICOLORED_QUAD: return "unicolored_quad"; 1313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry default: 1323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 1333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return DE_NULL; 1343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1383c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDitheringCase::DitheringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* const name, const char* const description, const bool ditheringEnabled, const PatternType patternType, const Vec4& color) 1393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCase (testCtx, name, description) 1403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_renderCtx (renderCtx) 1413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_ditheringEnabled (ditheringEnabled) 1423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_patternType (patternType) 1433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_color (color) 1443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_renderFormat (renderCtx.getRenderTarget().getPixelFormat()) 1453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_renderer (DE_NULL) 1463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry , m_iteration (0) 1473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1503c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDitheringCase::~DitheringCase (void) 1513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DitheringCase::deinit(); 1533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1553c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid DitheringCase::init (void) 1563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(!m_renderer); 1583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_renderer = new QuadRenderer(m_renderCtx, glu::GLSL_VERSION_100_ES); 1593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_iteration = 0; 1603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1623c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid DitheringCase::deinit (void) 1633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry delete m_renderer; 1653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_renderer = DE_NULL; 1663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 1673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1683c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool DitheringCase::checkColor (const Vec4& inputClr, const tcu::RGBA& renderedClr, const bool logErrors) const 1693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 1703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const IVec4 channelBits = pixelFormatToIVec4(m_renderFormat); 1713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool allChannelsOk = true; 1723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int chanNdx = 0; chanNdx < 4; chanNdx++) 1743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (channelBits[chanNdx] == 0) 1763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry continue; 1773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int channelMax = (1 << channelBits[chanNdx]) - 1; 1793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float scaledInput = inputClr[chanNdx] * (float)channelMax; 1803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool useRoundingMargin = deFloatAbs(scaledInput - deFloatRound(scaledInput)) < 0.0001f; 1813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry vector<int> channelChoices; 1823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry channelChoices.push_back(de::min(channelMax, (int)deFloatCeil(scaledInput))); 1843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry channelChoices.push_back(de::max(0, (int)deFloatCeil(scaledInput) - 1)); 1853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // If the input color results in a scaled value that is very close to an integer, account for a little bit of possible inaccuracy. 1873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (useRoundingMargin) 1883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (scaledInput > deFloatRound(scaledInput)) 1903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry channelChoices.push_back((int)deFloatCeil(scaledInput) - 2); 1913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 1923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry channelChoices.push_back((int)deFloatCeil(scaledInput) + 1); 1933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 1943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry std::sort(channelChoices.begin(), channelChoices.end()); 1963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 1973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 1983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int renderedClrInFormat = (int)deFloatRound((float)(renderedClr.toIVec()[chanNdx] * channelMax) / 255.0f); 1993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool goodChannel = false; 2003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int i = 0; i < (int)channelChoices.size(); i++) 2023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (renderedClrInFormat == channelChoices[i]) 2043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry goodChannel = true; 2063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry break; 2073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!goodChannel) 2113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (logErrors) 2133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.getLog() << TestLog::Message 2153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "Failure: " << channelBits[chanNdx] << "-bit " << s_channelNames[chanNdx] << " channel is " << renderedClrInFormat 2163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << ", should be " << choiceListStr(channelChoices) 2173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << " (corresponding fragment color channel is " << inputClr[chanNdx] << ")" 2183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::EndMessage 2193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::Message 2203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "Note: " << inputClr[chanNdx] << " * (" << channelMax + 1 << "-1) = " << scaledInput 2213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::EndMessage; 2223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (useRoundingMargin) 2243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.getLog() << TestLog::Message 2263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "Note: one extra color candidate was allowed because fragmentColorChannel * (2^bits-1) is close to an integer" 2273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::EndMessage; 2283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry allChannelsOk = false; 2323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 2353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return allChannelsOk; 2373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 2383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2393c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool DitheringCase::drawAndCheckGradient (const bool isVerticallyIncreasing, const Vec4& highColor) const 2403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 2413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 2423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Random rnd (deStringHash(getName())); 2433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxViewportWid = 256; 2443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxViewportHei = 256; 2453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportWid = de::min(m_renderCtx.getRenderTarget().getWidth(), maxViewportWid); 2463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportHei = de::min(m_renderCtx.getRenderTarget().getHeight(), maxViewportHei); 2473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportX = rnd.getInt(0, m_renderCtx.getRenderTarget().getWidth() - viewportWid); 2483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportY = rnd.getInt(0, m_renderCtx.getRenderTarget().getHeight() - viewportHei); 2493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const Vec4 quadClr0 (0.0f, 0.0f, 0.0f, 0.0f); 2503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const Vec4& quadClr1 = highColor; 2513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Quad quad; 2523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Surface renderedImg (viewportWid, viewportHei); 2533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glViewport(viewportX, viewportY, viewportWid, viewportHei)); 2553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "Dithering is " << (m_ditheringEnabled ? "enabled" : "disabled") << TestLog::EndMessage; 2573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_ditheringEnabled) 2593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glEnable(GL_DITHER)); 2603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 2613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glDisable(GL_DITHER)); 2623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "Drawing a " << (isVerticallyIncreasing ? "vertically" : "horizontally") << " increasing gradient" << TestLog::EndMessage; 2643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[0] = quadClr0; 2663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[1] = isVerticallyIncreasing ? quadClr1 : quadClr0; 2673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[2] = isVerticallyIncreasing ? quadClr0 : quadClr1; 2683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[3] = quadClr1; 2693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_renderer->render(quad); 2713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::readPixels(m_renderCtx, viewportX, viewportY, renderedImg.getAccess()); 2733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_MSG("glReadPixels()"); 2743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image(isVerticallyIncreasing ? "VerGradient" : "HorGradient", 2763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry isVerticallyIncreasing ? "Vertical gradient" : "Horizontal gradient", 2773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry renderedImg); 2783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Validate, at each pixel, that each color channel is one of its two allowed values. 2803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Surface errorMask (viewportWid, viewportHei); 2833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool colorChoicesOk = true; 2843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < renderedImg.getHeight(); y++) 2863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < renderedImg.getWidth(); x++) 2883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const float inputF = ((float)(isVerticallyIncreasing ? y : x) + 0.5f) / (float)(isVerticallyIncreasing ? renderedImg.getHeight() : renderedImg.getWidth()); 2903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const Vec4 inputClr = (1.0f-inputF)*quadClr0 + inputF*quadClr1; 2913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!checkColor(inputClr, renderedImg.getPixel(x, y), colorChoicesOk)) 2933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 294c215aaa83047ebbaabafef7acd71275a256da6abDejan Mircevski errorMask.setPixel(x, y, tcu::RGBA::red()); 2953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 2963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (colorChoicesOk) 2973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 2983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "First failure at pixel (" << x << ", " << y << ") (not printing further errors)" << TestLog::EndMessage; 2993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry colorChoicesOk = false; 3003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 303c215aaa83047ebbaabafef7acd71275a256da6abDejan Mircevski errorMask.setPixel(x, y, tcu::RGBA::green()); 3043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!colorChoicesOk) 3083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ColorChoiceErrorMask", "Error mask for color choices", errorMask); 3103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return false; 3113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // When dithering is disabled, the color selection must be coordinate-independent - i.e. the colors must be constant in the gradient's constant direction. 3153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!m_ditheringEnabled) 3173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3188c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi const int increasingDirectionSize = isVerticallyIncreasing ? renderedImg.getHeight() : renderedImg.getWidth(); 3198c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi const int constantDirectionSize = isVerticallyIncreasing ? renderedImg.getWidth() : renderedImg.getHeight(); 3203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int incrPos = 0; incrPos < increasingDirectionSize; incrPos++) 3223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 323085b52b2cda2eb522aa80f207d814dfc96bac84bPyry Haulos bool colorHasChanged = false; 324085b52b2cda2eb522aa80f207d814dfc96bac84bPyry Haulos tcu::RGBA prevConstantDirectionPix; 325085b52b2cda2eb522aa80f207d814dfc96bac84bPyry Haulos 3263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int constPos = 0; constPos < constantDirectionSize; constPos++) 3273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int x = isVerticallyIncreasing ? constPos : incrPos; 3293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int y = isVerticallyIncreasing ? incrPos : constPos; 3303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::RGBA clr = renderedImg.getPixel(x, y); 3313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (constPos > 0 && clr != prevConstantDirectionPix) 3333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3348c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi // Allow color to change once to take into account possibly 3358c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi // discontinuity between triangles 3368c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi if (colorHasChanged) 3378c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi { 3388c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi log << TestLog::Message 3398c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi << "Failure: colors should be constant per " << (isVerticallyIncreasing ? "row" : "column") 3408c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi << " (since dithering is disabled), but the color at position (" << x << ", " << y << ") is " << clr 3418c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi << " and does not equal the color at (" << (isVerticallyIncreasing ? x-1 : x) << ", " << (isVerticallyIncreasing ? y : y-1) << "), which is " << prevConstantDirectionPix 3428c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi << TestLog::EndMessage; 3433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3448c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi return false; 3458c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi } 3468c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi else 3478c44b09211d253dfc09bc8b7dfbc1f60c277d9f6Mika Isojärvi colorHasChanged = true; 3483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry prevConstantDirectionPix = clr; 3513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 3543c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return true; 3563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 3573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3583c827367444ee418f129b2c238299f49d3264554Jarkko Poyrybool DitheringCase::drawAndCheckUnicoloredQuad (const Vec4& quadColor) const 3593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 3603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestLog& log = m_testCtx.getLog(); 3613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Random rnd (deStringHash(getName())); 3623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxViewportWid = 32; 3633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int maxViewportHei = 32; 3643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportWid = de::min(m_renderCtx.getRenderTarget().getWidth(), maxViewportWid); 3653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportHei = de::min(m_renderCtx.getRenderTarget().getHeight(), maxViewportHei); 3663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportX = rnd.getInt(0, m_renderCtx.getRenderTarget().getWidth() - viewportWid); 3673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int viewportY = rnd.getInt(0, m_renderCtx.getRenderTarget().getHeight() - viewportHei); 3683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Quad quad; 3693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Surface renderedImg (viewportWid, viewportHei); 3703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glViewport(viewportX, viewportY, viewportWid, viewportHei)); 3723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "Dithering is " << (m_ditheringEnabled ? "enabled" : "disabled") << TestLog::EndMessage; 3743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_ditheringEnabled) 3763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glEnable(GL_DITHER)); 3773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 3783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_CALL(glDisable(GL_DITHER)); 3793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "Drawing an unicolored quad with color " << quadColor << TestLog::EndMessage; 3813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[0] = quadColor; 3833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[1] = quadColor; 3843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[2] = quadColor; 3853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry quad.color[3] = quadColor; 3863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_renderer->render(quad); 3883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry glu::readPixels(m_renderCtx, viewportX, viewportY, renderedImg.getAccess()); 3903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry GLU_CHECK_MSG("glReadPixels()"); 3913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image(("Quad" + de::toString(m_iteration)).c_str(), ("Quad " + de::toString(m_iteration)).c_str(), renderedImg); 3933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Validate, at each pixel, that each color channel is one of its two allowed values. 3953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 3963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 3973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Surface errorMask (viewportWid, viewportHei); 3983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry bool colorChoicesOk = true; 3993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < renderedImg.getHeight(); y++) 4013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < renderedImg.getWidth(); x++) 4033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!checkColor(quadColor, renderedImg.getPixel(x, y), colorChoicesOk)) 4053c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 406c215aaa83047ebbaabafef7acd71275a256da6abDejan Mircevski errorMask.setPixel(x, y, tcu::RGBA::red()); 4073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (colorChoicesOk) 4093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4103c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message << "First failure at pixel (" << x << ", " << y << ") (not printing further errors)" << TestLog::EndMessage; 4113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry colorChoicesOk = false; 4123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4143c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 415c215aaa83047ebbaabafef7acd71275a256da6abDejan Mircevski errorMask.setPixel(x, y, tcu::RGBA::green()); 4163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!colorChoicesOk) 4203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Image("ColorChoiceErrorMask", "Error mask for color choices", errorMask); 4223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return false; 4233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // When dithering is disabled, the color selection must be coordinate-independent - i.e. the entire rendered image must be unicolored. 4273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!m_ditheringEnabled) 4293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::RGBA renderedClr00 = renderedImg.getPixel(0, 0); 4313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int y = 0; y < renderedImg.getHeight(); y++) 4333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int x = 0; x < renderedImg.getWidth(); x++) 4353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const tcu::RGBA curClr = renderedImg.getPixel(x, y); 4373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (curClr != renderedClr00) 4393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry log << TestLog::Message 4413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << "Failure: color at (" << x << ", " << y << ") is " << curClr 4423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << " and does not equal the color at (0, 0), which is " << renderedClr00 4433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry << TestLog::EndMessage; 4443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return false; 4463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4513c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return true; 4523c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 4533c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4543c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDitheringCase::IterateResult DitheringCase::iterate (void) 4553c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 4563c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_patternType == PATTERNTYPE_GRADIENT) 4573c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4583c827367444ee418f129b2c238299f49d3264554Jarkko Poyry // Draw horizontal and vertical gradients. 4593c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4603c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(m_iteration < 2); 4613c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4623c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool success = drawAndCheckGradient(m_iteration == 1, m_color); 4633c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4643c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!success) 4653c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4663c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); 4673c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 4683c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4693c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4703c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_iteration == 1) 4713c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4723c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 4733c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 4743c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4753c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4763c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else if (m_patternType == PATTERNTYPE_UNICOLORED_QUAD) 4773c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4783c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const int numQuads = m_testCtx.getCommandLine().getTestIterationCount() > 0 ? m_testCtx.getCommandLine().getTestIterationCount() : 30; 4793c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4803c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(m_iteration < numQuads); 4813c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4823c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const Vec4 quadColor = (float)m_iteration / (float)(numQuads-1) * m_color; 4833c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool success = drawAndCheckUnicoloredQuad(quadColor); 4843c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4853c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (!success) 4863c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4873c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail"); 4883c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 4893c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4903c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 4913c827367444ee418f129b2c238299f49d3264554Jarkko Poyry if (m_iteration == numQuads - 1) 4923c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 4933c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 4943c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return STOP; 4953c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4963c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 4973c827367444ee418f129b2c238299f49d3264554Jarkko Poyry else 4983c827367444ee418f129b2c238299f49d3264554Jarkko Poyry DE_ASSERT(false); 4993c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5003c827367444ee418f129b2c238299f49d3264554Jarkko Poyry m_iteration++; 5013c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5023c827367444ee418f129b2c238299f49d3264554Jarkko Poyry return CONTINUE; 5033c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5043c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5053c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDitheringTests::DitheringTests (Context& context) 5063c827367444ee418f129b2c238299f49d3264554Jarkko Poyry : TestCaseGroup(context, "dither", "Dithering tests") 5073c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5083c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5093c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5103c827367444ee418f129b2c238299f49d3264554Jarkko PoyryDitheringTests::~DitheringTests (void) 5113c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5123c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5133c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5143c827367444ee418f129b2c238299f49d3264554Jarkko Poyryvoid DitheringTests::init (void) 5153c827367444ee418f129b2c238299f49d3264554Jarkko Poyry{ 5163c827367444ee418f129b2c238299f49d3264554Jarkko Poyry static const struct 5173c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5183c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const char* name; 5193c827367444ee418f129b2c238299f49d3264554Jarkko Poyry Vec4 color; 5203c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } caseColors[] = 5213c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5223c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "white", Vec4(1.0f, 1.0f, 1.0f, 1.0f) }, 5233c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "red", Vec4(1.0f, 0.0f, 0.0f, 1.0f) }, 5243c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "green", Vec4(0.0f, 1.0f, 0.0f, 1.0f) }, 5253c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "blue", Vec4(0.0f, 0.0f, 1.0f, 1.0f) }, 5263c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { "alpha", Vec4(0.0f, 0.0f, 0.0f, 1.0f) } 5273c827367444ee418f129b2c238299f49d3264554Jarkko Poyry }; 5283c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5293c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int ditheringEnabledI = 0; ditheringEnabledI <= 1; ditheringEnabledI++) 5303c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5313c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const bool ditheringEnabled = ditheringEnabledI != 0; 5323c827367444ee418f129b2c238299f49d3264554Jarkko Poyry TestCaseGroup* const group = new TestCaseGroup(m_context, ditheringEnabled ? "enabled" : "disabled", ""); 5333c827367444ee418f129b2c238299f49d3264554Jarkko Poyry addChild(group); 5343c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5353c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int patternTypeI = 0; patternTypeI < DitheringCase::PATTERNTYPE_LAST; patternTypeI++) 5363c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5373c827367444ee418f129b2c238299f49d3264554Jarkko Poyry for (int caseColorNdx = 0; caseColorNdx < DE_LENGTH_OF_ARRAY(caseColors); caseColorNdx++) 5383c827367444ee418f129b2c238299f49d3264554Jarkko Poyry { 5393c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const DitheringCase::PatternType patternType = (DitheringCase::PatternType)patternTypeI; 5403c827367444ee418f129b2c238299f49d3264554Jarkko Poyry const string caseName = string("") + DitheringCase::getPatternTypeName(patternType) + "_" + caseColors[caseColorNdx].name; 5413c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5423c827367444ee418f129b2c238299f49d3264554Jarkko Poyry group->addChild(new DitheringCase(m_context.getTestContext(), m_context.getRenderContext(), caseName.c_str(), "", ditheringEnabled, patternType, caseColors[caseColorNdx].color)); 5433c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5443c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5453c827367444ee418f129b2c238299f49d3264554Jarkko Poyry } 5463c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} 5473c827367444ee418f129b2c238299f49d3264554Jarkko Poyry 5483c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // Functional 5493c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // gles2 5503c827367444ee418f129b2c238299f49d3264554Jarkko Poyry} // deqp 551