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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrProcessorUnitTest_DEFINED | 8 #ifndef GrProcessorUnitTest_DEFINED |
9 #define GrProcessorUnitTest_DEFINED | 9 #define GrProcessorUnitTest_DEFINED |
10 | 10 |
| 11 #include "GrColor.h" |
11 #include "SkRandom.h" | 12 #include "SkRandom.h" |
12 #include "SkTArray.h" | 13 #include "SkTArray.h" |
13 #include "SkTypes.h" | 14 #include "SkTypes.h" |
14 | 15 |
15 class SkMatrix; | 16 class SkMatrix; |
16 class GrDrawTargetCaps; | 17 class GrDrawTargetCaps; |
17 | 18 |
18 namespace GrProcessorUnitTest { | 19 namespace GrProcessorUnitTest { |
19 // Used to access the dummy textures in TestCreate procs. | 20 // Used to access the dummy textures in TestCreate procs. |
20 enum { | 21 enum { |
21 kSkiaPMTextureIdx = 0, | 22 kSkiaPMTextureIdx = 0, |
22 kAlphaTextureIdx = 1, | 23 kAlphaTextureIdx = 1, |
23 }; | 24 }; |
24 | 25 |
25 /** | 26 /** |
26 * A helper for use in GrProcessor::TestCreate functions. | 27 * A helper for use in GrProcessor::TestCreate functions. |
27 */ | 28 */ |
28 const SkMatrix& TestMatrix(SkRandom*); | 29 const SkMatrix& TestMatrix(SkRandom*); |
29 | 30 |
30 } | 31 } |
31 | 32 |
| 33 static inline GrColor GrRandomColor(SkRandom* random) { |
| 34 // There are only a few cases of random colors which interest us |
| 35 enum ColorMode { |
| 36 kAllOnes_ColorMode, |
| 37 kAllZeros_ColorMode, |
| 38 kAlphaOne_ColorMode, |
| 39 kRandom_ColorMode, |
| 40 kLast_ColorMode = kRandom_ColorMode |
| 41 }; |
| 42 |
| 43 ColorMode colorMode = ColorMode(random->nextULessThan(kLast_ColorMode + 1)); |
| 44 GrColor color; |
| 45 switch (colorMode) { |
| 46 case kAllOnes_ColorMode: |
| 47 color = GrColorPackRGBA(0xFF, 0xFF, 0xFF, 0xFF); |
| 48 break; |
| 49 case kAllZeros_ColorMode: |
| 50 color = GrColorPackRGBA(0, 0, 0, 0); |
| 51 break; |
| 52 case kAlphaOne_ColorMode: |
| 53 color = GrColorPackRGBA(random->nextULessThan(256), |
| 54 random->nextULessThan(256), |
| 55 random->nextULessThan(256), |
| 56 0xFF); |
| 57 break; |
| 58 case kRandom_ColorMode: |
| 59 uint8_t alpha = random->nextULessThan(256); |
| 60 color = GrColorPackRGBA(random->nextRangeU(0, alpha), |
| 61 random->nextRangeU(0, alpha), |
| 62 random->nextRangeU(0, alpha), |
| 63 alpha); |
| 64 break; |
| 65 } |
| 66 GrColorIsPMAssert(color); |
| 67 return color; |
| 68 } |
| 69 |
| 70 static inline uint8_t GrRandomCoverage(SkRandom* random) { |
| 71 enum CoverageMode { |
| 72 kZero_CoverageMode, |
| 73 kAllOnes_CoverageMode, |
| 74 kRandom_CoverageMode, |
| 75 kLast_CoverageMode = kRandom_CoverageMode |
| 76 }; |
| 77 |
| 78 CoverageMode colorMode = CoverageMode(random->nextULessThan(kLast_CoverageMo
de + 1)); |
| 79 uint8_t coverage; |
| 80 switch (colorMode) { |
| 81 case kZero_CoverageMode: |
| 82 coverage = 0; |
| 83 case kAllOnes_CoverageMode: |
| 84 coverage = 0xff; |
| 85 break; |
| 86 case kRandom_CoverageMode: |
| 87 coverage = random->nextULessThan(256); |
| 88 break; |
| 89 } |
| 90 return coverage; |
| 91 } |
| 92 |
32 #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS | 93 #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
33 | 94 |
34 class GrContext; | 95 class GrContext; |
35 class GrProcessor; | 96 class GrProcessor; |
36 class GrTexture; | 97 class GrTexture; |
37 | 98 |
38 template <class Processor> | 99 template <class Processor> |
39 class GrProcessorTestFactory : SkNoncopyable { | 100 class GrProcessorTestFactory : SkNoncopyable { |
40 public: | 101 public: |
41 | 102 |
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120 // its definitions will compile. | 181 // its definitions will compile. |
121 #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST
\ | 182 #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST
\ |
122 static GrGeometryProcessor* TestCreate(SkRandom*,
\ | 183 static GrGeometryProcessor* TestCreate(SkRandom*,
\ |
123 GrContext*,
\ | 184 GrContext*,
\ |
124 const GrDrawTargetCaps&,
\ | 185 const GrDrawTargetCaps&,
\ |
125 GrTexture* dummyTextures[2]) | 186 GrTexture* dummyTextures[2]) |
126 #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(X) | 187 #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(X) |
127 | 188 |
128 #endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS | 189 #endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
129 #endif | 190 #endif |
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