1 #ifndef _TCURASTERIZATIONVERIFIER_HPP 2 #define _TCURASTERIZATIONVERIFIER_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program Tester Core 5 * ---------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Rasterization verifier utils. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 #include "tcuTestLog.hpp" 28 #include "tcuSurface.hpp" 29 #include "deMath.h" 30 31 #include <vector> 32 33 namespace tcu 34 { 35 36 enum CoverageType 37 { 38 COVERAGE_FULL = 0, // !< primitive fully covers the queried area 39 COVERAGE_PARTIAL, // !< primitive coverage is either partial, or could be full, partial or none depending on rounding and/or fill rules 40 COVERAGE_NONE, // !< primitive does not cover area at all 41 42 COVERAGE_LAST 43 }; 44 45 enum VerificationMode 46 { 47 VERIFICATIONMODE_STRICT = 0, // !< do not allow even a single bad pixel 48 VERIFICATIONMODE_WEAK, // !< allow some bad pixels 49 VERIFICATIONMODE_WEAKER, // !< allow more bad pixels 50 VERIFICATIONMODE_SMOOTH, // !< allow no missing pixels 51 52 VERIFICATIONMODE_LAST 53 }; 54 55 enum LineInterpolationMethod 56 { 57 LINEINTERPOLATION_STRICTLY_CORRECT = 0, // !< line interpolation matches the specification 58 LINEINTERPOLATION_PROJECTED, // !< line interpolation weights are otherwise correct, but they are projected onto major axis 59 LINEINTERPOLATION_INCORRECT // !< line interpolation is incorrect 60 }; 61 62 struct TriangleSceneSpec 63 { 64 struct SceneTriangle 65 { 66 tcu::Vec4 positions[3]; 67 tcu::Vec4 colors[3]; 68 bool sharedEdge[3]; // !< is the edge i -> i+1 shared with another scene triangle 69 }; 70 71 std::vector<SceneTriangle> triangles; 72 }; 73 74 struct LineSceneSpec 75 { LineSceneSpectcu::LineSceneSpec76 LineSceneSpec() 77 : isStrip(false) 78 , isSmooth(false) 79 , stippleEnable(false) 80 , verificationMode(VERIFICATIONMODE_STRICT) 81 {} 82 83 struct SceneLine 84 { 85 tcu::Vec4 positions[2]; 86 tcu::Vec4 colors[2]; 87 }; 88 89 std::vector<SceneLine> lines; 90 float lineWidth; 91 bool isStrip; 92 bool isSmooth; 93 bool stippleEnable; 94 deUint32 stippleFactor; 95 deUint16 stipplePattern; 96 VerificationMode verificationMode; 97 }; 98 99 struct PointSceneSpec 100 { 101 struct ScenePoint 102 { 103 tcu::Vec4 position; 104 tcu::Vec4 color; 105 float pointSize; 106 }; 107 108 std::vector<ScenePoint> points; 109 }; 110 111 struct RasterizationArguments 112 { 113 int numSamples; 114 int subpixelBits; 115 int redBits; 116 int greenBits; 117 int blueBits; 118 }; 119 120 struct VerifyTriangleGroupRasterizationLogStash 121 { 122 std::vector<std::string> messages; 123 int missingPixels; 124 int unexpectedPixels; 125 tcu::Surface errorMask; 126 bool result; 127 }; 128 129 struct VerifyTriangleGroupInterpolationLogStash 130 { 131 std::vector<std::string> messages; 132 int invalidPixels; 133 tcu::Surface errorMask; 134 bool success; 135 }; 136 137 /*--------------------------------------------------------------------*//*! 138 * \brief Calculates triangle coverage at given pixel 139 * Calculates the coverage of a triangle given by three vertices. The 140 * triangle should not be z-clipped. If multisample is false, the pixel 141 * center is compared against the triangle. If multisample is true, the 142 * whole pixel area is compared. 143 *//*--------------------------------------------------------------------*/ 144 CoverageType calculateTriangleCoverage (const tcu::Vec4& p0, const tcu::Vec4& p1, const tcu::Vec4& p2, const tcu::IVec2& pixel, const tcu::IVec2& viewportSize, int subpixelBits, bool multisample); 145 146 /*--------------------------------------------------------------------*//*! 147 * \brief Calculates line coverage at given pixel 148 * Calculates the coverage of a reactangle given by line coordinates and width. 149 *//*--------------------------------------------------------------------*/ 150 CoverageType calculateUnderestimateLineCoverage (const tcu::Vec4& p0, const tcu::Vec4& p1, const float lineWidth, const tcu::IVec2& pixel, const tcu::IVec2& viewportSize); 151 152 /*--------------------------------------------------------------------*//*! 153 * \brief Calculates triangle coverage at given pixel 154 * Calculates the coverage of a triangle given by by three vertices. 155 *//*--------------------------------------------------------------------*/ 156 CoverageType calculateUnderestimateTriangleCoverage (const tcu::Vec4& p0, const tcu::Vec4& p1, const tcu::Vec4& p2, const tcu::IVec2& pixel, int subpixelBits, const tcu::IVec2& viewportSize); 157 158 /*--------------------------------------------------------------------*//*! 159 * \brief Verify triangle rasterization result 160 * Verifies pixels in the surface are rasterized within the bounds given 161 * by RasterizationArguments. Triangles should not be z-clipped. 162 * 163 * Triangle colors are not used. The triangle is expected to be white. 164 * If logStash is not NULL the results are not logged, but copied to stash. 165 * 166 * Returns false if invalid rasterization is found. 167 *//*--------------------------------------------------------------------*/ 168 bool verifyTriangleGroupRasterization (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log, VerificationMode mode = VERIFICATIONMODE_STRICT, VerifyTriangleGroupRasterizationLogStash* logStash = DE_NULL, const bool vulkanLinesTest = false); 169 170 /*--------------------------------------------------------------------*//*! 171 * \brief Verify line rasterization result 172 * Verifies pixels in the surface are rasterized within the bounds given 173 * by RasterizationArguments. Lines should not be z-clipped. 174 * 175 * Line colors are not used. The line is expected to be white. 176 * 177 * Returns false if invalid rasterization is found. 178 *//*--------------------------------------------------------------------*/ 179 bool verifyLineGroupRasterization (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 180 181 /*--------------------------------------------------------------------*//*! 182 * \brief Verify clipped line rasterization result 183 * Verifies pixels in the surface are rasterized within the bounds given 184 * by RasterizationArguments and by clipping the lines with a (-1, -1), (1, 1) 185 * square. Lines should not be z-clipped. 186 * 187 * Line colors are not used. The line is expected to be white. Lines are 188 * rasterized as two triangles. 189 * 190 * Returns false if invalid rasterization is found. 191 *//*--------------------------------------------------------------------*/ 192 bool verifyClippedTriangulatedLineGroupRasterization (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 193 194 /*--------------------------------------------------------------------*//*! 195 * \brief Verify line rasterization result both clipped and non-clipped 196 * 197 * For details please see verifyLineGroupRasterization and 198 * verifyClippedTriangulatedLineGroupRasterization 199 * 200 * Returns false if both rasterizations are invalid. 201 *//*--------------------------------------------------------------------*/ 202 bool verifyRelaxedLineGroupRasterization (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log, const bool vulkanLinesTest = false, const bool strict = true); 203 204 /*--------------------------------------------------------------------*//*! 205 * \brief Verify point rasterization result 206 * Verifies points in the surface are rasterized within the bounds given 207 * by RasterizationArguments. Points should not be z-clipped. 208 * 209 * Point colors are not used. The point is expected to be white. 210 * 211 * Returns false if invalid rasterization is found. 212 *//*--------------------------------------------------------------------*/ 213 bool verifyPointGroupRasterization (const tcu::Surface& surface, const PointSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 214 215 /*--------------------------------------------------------------------*//*! 216 * \brief Verify triangle color interpolation is valid 217 * Verifies the color of a fragments of a colored triangle is in the 218 * valid range. Triangles should not be z-clipped. 219 * 220 * The background is expected to be black. 221 * 222 * Returns false if invalid rasterization interpolation is found. 223 *//*--------------------------------------------------------------------*/ 224 bool verifyTriangleGroupInterpolation (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 225 226 /*--------------------------------------------------------------------*//*! 227 * \brief Verify line color interpolation is valid 228 * Verifies the color of a fragments of a colored line is in the 229 * valid range. Lines should not be z-clipped. 230 * 231 * The background is expected to be black. 232 * 233 * Returns the detected interpolation method of the input image. 234 *//*--------------------------------------------------------------------*/ 235 LineInterpolationMethod verifyLineGroupInterpolation (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 236 237 /*--------------------------------------------------------------------*//*! 238 * \brief Verify line color interpolation is valid 239 * Verifies the color of a fragments of a colored line is in the 240 * valid range. Lines should not be z-clipped. 241 * 242 * The background is expected to be black. The lines are rasterized 243 * as two triangles. 244 * 245 * Returns false if invalid rasterization interpolation is found. 246 *//*--------------------------------------------------------------------*/ 247 bool verifyTriangulatedLineGroupInterpolation (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log, const bool strictMode = true, const bool allowBresenhamForNonStrictLines = false); 248 249 } // tcu 250 251 #endif // _TCURASTERIZATIONVERIFIER_HPP 252