Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 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 | |
Jarkko Pöyry | 2306a3b | 2015-02-19 19:40:03 -0800 | [diff] [blame^] | 56 | enum LineInterpolationMethod |
| 57 | { |
| 58 | LINEINTERPOLATION_STRICTLY_CORRECT = 0, // !< line interpolation matches the specification |
| 59 | LINEINTERPOLATION_PROJECTED, // !< line interpolation weights are otherwise correct, but they are projected onto major axis |
| 60 | LINEINTERPOLATION_INCORRECT // !< line interpolation is incorrect |
| 61 | }; |
| 62 | |
Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 63 | struct TriangleSceneSpec |
| 64 | { |
| 65 | struct SceneTriangle |
| 66 | { |
| 67 | tcu::Vec4 positions[3]; |
| 68 | tcu::Vec4 colors[3]; |
| 69 | bool sharedEdge[3]; // !< is the edge i -> i+1 shared with another scene triangle |
| 70 | }; |
| 71 | |
| 72 | std::vector<SceneTriangle> triangles; |
| 73 | }; |
| 74 | |
| 75 | struct LineSceneSpec |
| 76 | { |
| 77 | struct SceneLine |
| 78 | { |
| 79 | tcu::Vec4 positions[2]; |
| 80 | tcu::Vec4 colors[2]; |
| 81 | }; |
| 82 | |
| 83 | std::vector<SceneLine> lines; |
| 84 | float lineWidth; |
| 85 | }; |
| 86 | |
| 87 | struct PointSceneSpec |
| 88 | { |
| 89 | struct ScenePoint |
| 90 | { |
| 91 | tcu::Vec4 position; |
| 92 | tcu::Vec4 color; |
| 93 | float pointSize; |
| 94 | }; |
| 95 | |
| 96 | std::vector<ScenePoint> points; |
| 97 | }; |
| 98 | |
| 99 | struct RasterizationArguments |
| 100 | { |
| 101 | int numSamples; |
| 102 | int subpixelBits; |
| 103 | int redBits; |
| 104 | int greenBits; |
| 105 | int blueBits; |
| 106 | }; |
| 107 | |
| 108 | /*--------------------------------------------------------------------*//*! |
| 109 | * \brief Calculates triangle coverage at given pixel |
| 110 | * Calculates the coverage of a triangle given by three vertices. The |
| 111 | * triangle should not be z-clipped. If multisample is false, the pixel |
| 112 | * center is compared against the triangle. If multisample is true, the |
| 113 | * whole pixel area is compared. |
| 114 | *//*--------------------------------------------------------------------*/ |
| 115 | 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); |
| 116 | |
| 117 | /*--------------------------------------------------------------------*//*! |
| 118 | * \brief Verify triangle rasterization result |
| 119 | * Verifies pixels in the surface are rasterized within the bounds given |
| 120 | * by RasterizationArguments. Triangles should not be z-clipped. |
| 121 | * |
| 122 | * Triangle colors are not used. The triangle is expected to be white. |
| 123 | * |
| 124 | * Returns false if invalid rasterization is found. |
| 125 | *//*--------------------------------------------------------------------*/ |
| 126 | bool verifyTriangleGroupRasterization (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log, VerificationMode mode = VERIFICATIONMODE_STRICT); |
| 127 | |
| 128 | /*--------------------------------------------------------------------*//*! |
| 129 | * \brief Verify line rasterization result |
| 130 | * Verifies pixels in the surface are rasterized within the bounds given |
| 131 | * by RasterizationArguments. Lines should not be z-clipped. |
| 132 | * |
| 133 | * Line colors are not used. The line is expected to be white. |
| 134 | * |
| 135 | * Returns false if invalid rasterization is found. |
| 136 | *//*--------------------------------------------------------------------*/ |
| 137 | bool verifyLineGroupRasterization (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); |
| 138 | |
| 139 | /*--------------------------------------------------------------------*//*! |
| 140 | * \brief Verify point rasterization result |
| 141 | * Verifies points in the surface are rasterized within the bounds given |
| 142 | * by RasterizationArguments. Points should not be z-clipped. |
| 143 | * |
| 144 | * Point colors are not used. The point is expected to be white. |
| 145 | * |
| 146 | * Returns false if invalid rasterization is found. |
| 147 | *//*--------------------------------------------------------------------*/ |
| 148 | bool verifyPointGroupRasterization (const tcu::Surface& surface, const PointSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); |
| 149 | |
| 150 | /*--------------------------------------------------------------------*//*! |
| 151 | * \brief Verify triangle color interpolation is valid |
| 152 | * Verifies the color of a fragments of a colored triangle is in the |
| 153 | * valid range. Triangles should not be z-clipped. |
| 154 | * |
| 155 | * The background is expected to be black. |
| 156 | * |
| 157 | * Returns false if invalid rasterization interpolation is found. |
| 158 | *//*--------------------------------------------------------------------*/ |
| 159 | bool verifyTriangleGroupInterpolation (const tcu::Surface& surface, const TriangleSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); |
| 160 | |
| 161 | /*--------------------------------------------------------------------*//*! |
| 162 | * \brief Verify line color interpolation is valid |
| 163 | * Verifies the color of a fragments of a colored line is in the |
| 164 | * valid range. Lines should not be z-clipped. |
| 165 | * |
| 166 | * The background is expected to be black. |
| 167 | * |
Jarkko Pöyry | 2306a3b | 2015-02-19 19:40:03 -0800 | [diff] [blame^] | 168 | * Returns the detected interpolation method of the input image. |
Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 169 | *//*--------------------------------------------------------------------*/ |
Jarkko Pöyry | 2306a3b | 2015-02-19 19:40:03 -0800 | [diff] [blame^] | 170 | LineInterpolationMethod verifyLineGroupInterpolation (const tcu::Surface& surface, const LineSceneSpec& scene, const RasterizationArguments& args, tcu::TestLog& log); |
Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 171 | |
| 172 | } // StateQueryUtil |
| 173 | } // gls |
| 174 | } // deqp |
| 175 | |
| 176 | #endif // _GLSRASTERIZATIONTESTUTIL_HPP |