1 #ifndef _GLSRASTERIZATIONTESTUTIL_HPP 2 #define _GLSRASTERIZATIONTESTUTIL_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program OpenGL (ES) Module 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 test utils. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deMath.h" 27 #include "tcuDefs.hpp" 28 #include "tcuTestLog.hpp" 29 30 #include <vector> 31 32 namespace deqp 33 { 34 namespace gls 35 { 36 namespace RasterizationTestUtil 37 { 38 39 enum CoverageType 40 { 41 COVERAGE_FULL = 0, // !< primitive fully covers the queried area 42 COVERAGE_PARTIAL, // !< primitive coverage is either partial, or could be full, partial or none depending on rounding and/or fill rules 43 COVERAGE_NONE, // !< primitive does not cover area at all 44 45 COVERAGE_LAST 46 }; 47 48 enum VerificationMode 49 { 50 VERIFICATIONMODE_STRICT = 0, // !< do not allow even a single bad pixel 51 VERIFICATIONMODE_WEAK, // !< allow some bad pixels 52 53 VERIFICATIONMODE_LAST 54 }; 55 56 struct TriangleSceneSpec 57 { 58 struct SceneTriangle 59 { 60 tcu::Vec4 positions[3]; 61 tcu::Vec4 colors[3]; 62 bool sharedEdge[3]; // !< is the edge i -> i+1 shared with another scene triangle 63 }; 64 65 std::vector<SceneTriangle> triangles; 66 }; 67 68 struct LineSceneSpec 69 { 70 struct SceneLine 71 { 72 tcu::Vec4 positions[2]; 73 tcu::Vec4 colors[2]; 74 }; 75 76 std::vector<SceneLine> lines; 77 float lineWidth; 78 }; 79 80 struct PointSceneSpec 81 { 82 struct ScenePoint 83 { 84 tcu::Vec4 position; 85 tcu::Vec4 color; 86 float pointSize; 87 }; 88 89 std::vector<ScenePoint> points; 90 }; 91 92 struct RasterizationArguments 93 { 94 int numSamples; 95 int subpixelBits; 96 int redBits; 97 int greenBits; 98 int blueBits; 99 }; 100 101 /*--------------------------------------------------------------------*//*! 102 * \brief Calculates triangle coverage at given pixel 103 * Calculates the coverage of a triangle given by three vertices. The 104 * triangle should not be z-clipped. If multisample is false, the pixel 105 * center is compared against the triangle. If multisample is true, the 106 * whole pixel area is compared. 107 *//*--------------------------------------------------------------------*/ 108 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); 109 110 /*--------------------------------------------------------------------*//*! 111 * \brief Verify triangle rasterization result 112 * Verifies pixels in the surface are rasterized within the bounds given 113 * by RasterizationArguments. Triangles should not be z-clipped. 114 * 115 * Triangle colors are not used. The triangle is expected to be white. 116 * 117 * Returns false if invalid rasterization is found. 118 *//*--------------------------------------------------------------------*/ 119 bool verifyTriangleGroupRasterization (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log, VerificationMode mode = VERIFICATIONMODE_STRICT); 120 121 /*--------------------------------------------------------------------*//*! 122 * \brief Verify line rasterization result 123 * Verifies pixels in the surface are rasterized within the bounds given 124 * by RasterizationArguments. Lines should not be z-clipped. 125 * 126 * Line colors are not used. The line is expected to be white. 127 * 128 * Returns false if invalid rasterization is found. 129 *//*--------------------------------------------------------------------*/ 130 bool verifyLineGroupRasterization (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 131 132 /*--------------------------------------------------------------------*//*! 133 * \brief Verify point rasterization result 134 * Verifies points in the surface are rasterized within the bounds given 135 * by RasterizationArguments. Points should not be z-clipped. 136 * 137 * Point colors are not used. The point is expected to be white. 138 * 139 * Returns false if invalid rasterization is found. 140 *//*--------------------------------------------------------------------*/ 141 bool verifyPointGroupRasterization (const tcu::Surface& surface, const PointSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 142 143 /*--------------------------------------------------------------------*//*! 144 * \brief Verify triangle color interpolation is valid 145 * Verifies the color of a fragments of a colored triangle is in the 146 * valid range. Triangles should not be z-clipped. 147 * 148 * The background is expected to be black. 149 * 150 * Returns false if invalid rasterization interpolation is found. 151 *//*--------------------------------------------------------------------*/ 152 bool verifyTriangleGroupInterpolation (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 153 154 /*--------------------------------------------------------------------*//*! 155 * \brief Verify line color interpolation is valid 156 * Verifies the color of a fragments of a colored line is in the 157 * valid range. Lines should not be z-clipped. 158 * 159 * The background is expected to be black. 160 * 161 * Returns false if invalid rasterization interpolation is found. 162 *//*--------------------------------------------------------------------*/ 163 bool verifyLineGroupInterpolation (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); 164 165 } // StateQueryUtil 166 } // gls 167 } // deqp 168 169 #endif // _GLSRASTERIZATIONTESTUTIL_HPP 170
