| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 GrPrimitiveProcessor_DEFINED | 8 #ifndef GrPrimitiveProcessor_DEFINED |
| 9 #define GrPrimitiveProcessor_DEFINED | 9 #define GrPrimitiveProcessor_DEFINED |
| 10 | 10 |
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| 76 * GrBatch which should be forwarded to the GrPrimitiveProcessor(s) created by t
he batch. | 76 * GrBatch which should be forwarded to the GrPrimitiveProcessor(s) created by t
he batch. |
| 77 * These are not properly part of the pipeline because they assume the specific
inputs | 77 * These are not properly part of the pipeline because they assume the specific
inputs |
| 78 * that the batch provided when it created the pipeline. Identical pipelines may
be | 78 * that the batch provided when it created the pipeline. Identical pipelines may
be |
| 79 * created by different batches with different input assumptions and therefore d
ifferent | 79 * created by different batches with different input assumptions and therefore d
ifferent |
| 80 * computed optimizations. It is the batch-specific optimizations that allow the
pipelines | 80 * computed optimizations. It is the batch-specific optimizations that allow the
pipelines |
| 81 * to be equal. | 81 * to be equal. |
| 82 */ | 82 */ |
| 83 class GrPipelineOptimizations { | 83 class GrPipelineOptimizations { |
| 84 public: | 84 public: |
| 85 /** Does the pipeline require the GrPrimitiveProcessor's color? */ | 85 /** Does the pipeline require the GrPrimitiveProcessor's color? */ |
| 86 bool readsColor() const { return SkToBool(kReadsColor_GrPipelineOptimization
sFlag & fFlags); } | 86 bool readsColor() const { return SkToBool(kReadsColor_Flag & fFlags); } |
| 87 | 87 |
| 88 /** Does the pipeline require the GrPrimitiveProcessor's coverage? */ | 88 /** Does the pipeline require the GrPrimitiveProcessor's coverage? */ |
| 89 bool readsCoverage() const { return | 89 bool readsCoverage() const { return |
| 90 SkToBool(kReadsCoverage_GrPipelineOptimizationsFlag & fFlags); } | 90 SkToBool(kReadsCoverage_Flag & fFlags); } |
| 91 | 91 |
| 92 /** Does the pipeline require access to (implicit or explicit) local coordin
ates? */ | 92 /** Does the pipeline require access to (implicit or explicit) local coordin
ates? */ |
| 93 bool readsLocalCoords() const { | 93 bool readsLocalCoords() const { |
| 94 return SkToBool(kReadsLocalCoords_GrPipelineOptimizationsFlag & fFlags); | 94 return SkToBool(kReadsLocalCoords_Flag & fFlags); |
| 95 } | 95 } |
| 96 | 96 |
| 97 /** Does the pipeline allow the GrPrimitiveProcessor to combine color and co
verage into one | 97 /** Does the pipeline allow the GrPrimitiveProcessor to combine color and co
verage into one |
| 98 color output ? */ | 98 color output ? */ |
| 99 bool canTweakAlphaForCoverage() const { | 99 bool canTweakAlphaForCoverage() const { |
| 100 return SkToBool(kCanTweakAlphaForCoverage_GrPipelineOptimizationsFlag &
fFlags); | 100 return SkToBool(kCanTweakAlphaForCoverage_Flag & fFlags); |
| 101 } | 101 } |
| 102 | 102 |
| 103 /** Does the pipeline require the GrPrimitiveProcessor to specify a specific
color (and if | 103 /** Does the pipeline require the GrPrimitiveProcessor to specify a specific
color (and if |
| 104 so get the color)? */ | 104 so get the color)? */ |
| 105 bool getOverrideColorIfSet(GrColor* overrideColor) const { | 105 bool getOverrideColorIfSet(GrColor* overrideColor) const { |
| 106 if (SkToBool(kUseOverrideColor_GrPipelineOptimizationsFlag & fFlags)) { | 106 if (SkToBool(kUseOverrideColor_Flag & fFlags)) { |
| 107 SkASSERT(SkToBool(kReadsColor_GrPipelineOptimizationsFlag & fFlags))
; | 107 SkASSERT(SkToBool(kReadsColor_Flag & fFlags)); |
| 108 if (overrideColor) { | 108 if (overrideColor) { |
| 109 *overrideColor = fOverrideColor; | 109 *overrideColor = fOverrideColor; |
| 110 } | 110 } |
| 111 return true; | 111 return true; |
| 112 } | 112 } |
| 113 return false; | 113 return false; |
| 114 } | 114 } |
| 115 | 115 |
| 116 private: | 116 private: |
| 117 enum { | 117 enum { |
| 118 // If this is not set the primitive processor need not produce a color o
utput | 118 // If this is not set the primitive processor need not produce a color o
utput |
| 119 kReadsColor_GrPipelineOptimizationsFlag = 0x1, | 119 kReadsColor_Flag = 0x1, |
| 120 | 120 |
| 121 // If this is not set the primitive processor need not produce a coverag
e output | 121 // If this is not set the primitive processor need not produce a coverag
e output |
| 122 kReadsCoverage_GrPipelineOptimizationsFlag = 0x2, | 122 kReadsCoverage_Flag = 0x2, |
| 123 | 123 |
| 124 // If this is not set the primitive processor need not produce local coo
rdinates | 124 // If this is not set the primitive processor need not produce local coo
rdinates |
| 125 kReadsLocalCoords_GrPipelineOptimizationsFlag = 0x4, | 125 kReadsLocalCoords_Flag = 0x4, |
| 126 | 126 |
| 127 // If this flag is set then the primitive processor may produce color*co
verage as | 127 // If this flag is set then the primitive processor may produce color*co
verage as |
| 128 // its color output (and not output a separate coverage). | 128 // its color output (and not output a separate coverage). |
| 129 kCanTweakAlphaForCoverage_GrPipelineOptimizationsFlag = 0x8, | 129 kCanTweakAlphaForCoverage_Flag = 0x8, |
| 130 | 130 |
| 131 // If this flag is set the GrPrimitiveProcessor must produce fOverrideCo
lor as its | 131 // If this flag is set the GrPrimitiveProcessor must produce fOverrideCo
lor as its |
| 132 // output color. If not set fOverrideColor is to be ignored. | 132 // output color. If not set fOverrideColor is to be ignored. |
| 133 kUseOverrideColor_GrPipelineOptimizationsFlag = 0x10, | 133 kUseOverrideColor_Flag = 0x10, |
| 134 }; | 134 }; |
| 135 | 135 |
| 136 uint32_t fFlags; | 136 uint32_t fFlags; |
| 137 GrColor fOverrideColor; | 137 GrColor fOverrideColor; |
| 138 | 138 |
| 139 friend class GrPipeline; // To initialize this | 139 friend class GrPipeline; // To initialize this |
| 140 }; | 140 }; |
| 141 | 141 |
| 142 /* | 142 /* |
| 143 * This enum is shared by GrPrimitiveProcessors and GrGLPrimitiveProcessors to c
oordinate shaders | 143 * This enum is shared by GrPrimitiveProcessors and GrGLPrimitiveProcessors to c
oordinate shaders |
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| 244 | 244 |
| 245 private: | 245 private: |
| 246 virtual bool hasExplicitLocalCoords() const = 0; | 246 virtual bool hasExplicitLocalCoords() const = 0; |
| 247 | 247 |
| 248 bool fIsPathRendering; | 248 bool fIsPathRendering; |
| 249 | 249 |
| 250 typedef GrProcessor INHERITED; | 250 typedef GrProcessor INHERITED; |
| 251 }; | 251 }; |
| 252 | 252 |
| 253 #endif | 253 #endif |
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