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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #ifndef GrCaps_DEFINED | 8 #ifndef GrCaps_DEFINED |
9 #define GrCaps_DEFINED | 9 #define GrCaps_DEFINED |
10 | 10 |
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55 | 55 |
56 GrShaderCaps(); | 56 GrShaderCaps(); |
57 | 57 |
58 virtual SkString dump() const; | 58 virtual SkString dump() const; |
59 | 59 |
60 bool shaderDerivativeSupport() const { return fShaderDerivativeSupport; } | 60 bool shaderDerivativeSupport() const { return fShaderDerivativeSupport; } |
61 bool geometryShaderSupport() const { return fGeometryShaderSupport; } | 61 bool geometryShaderSupport() const { return fGeometryShaderSupport; } |
62 bool pathRenderingSupport() const { return fPathRenderingSupport; } | 62 bool pathRenderingSupport() const { return fPathRenderingSupport; } |
63 bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; } | 63 bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; } |
64 bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport;
} | 64 bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport;
} |
| 65 bool programmableSampleLocationsSupport() const { return fProgrammableSample
LocationsSupport; } |
65 | 66 |
66 /** | 67 /** |
67 * Get the precision info for a variable of type kFloat_GrSLType, kVec2f_GrSL
Type, etc in a | 68 * Get the precision info for a variable of type kFloat_GrSLType, kVec2f_GrSL
Type, etc in a |
68 * given shader type. If the shader type is not supported or the precision le
vel is not | 69 * given shader type. If the shader type is not supported or the precision le
vel is not |
69 * supported in that shader type then the returned struct will report false w
hen supported() is | 70 * supported in that shader type then the returned struct will report false w
hen supported() is |
70 * called. | 71 * called. |
71 */ | 72 */ |
72 const PrecisionInfo& getFloatShaderPrecisionInfo(GrShaderType shaderType, | 73 const PrecisionInfo& getFloatShaderPrecisionInfo(GrShaderType shaderType, |
73 GrSLPrecision precision) const { | 74 GrSLPrecision precision) const { |
74 return fFloatPrecisions[shaderType][precision]; | 75 return fFloatPrecisions[shaderType][precision]; |
75 }; | 76 }; |
76 | 77 |
77 /** | 78 /** |
78 * Is there any difference between the float shader variable precision types?
If this is true | 79 * Is there any difference between the float shader variable precision types?
If this is true |
79 * then unless the shader type is not supported, any call to getFloatShaderPr
ecisionInfo() would | 80 * then unless the shader type is not supported, any call to getFloatShaderPr
ecisionInfo() would |
80 * report the same info for all precisions in all shader types. | 81 * report the same info for all precisions in all shader types. |
81 */ | 82 */ |
82 bool floatPrecisionVaries() const { return fShaderPrecisionVaries; } | 83 bool floatPrecisionVaries() const { return fShaderPrecisionVaries; } |
83 | 84 |
84 protected: | 85 protected: |
85 /** Subclasses must call this after initialization in order to apply caps ov
errides requested by | 86 /** Subclasses must call this after initialization in order to apply caps ov
errides requested by |
86 the client. Note that overrides will only reduce the caps never expand t
hem. */ | 87 the client. Note that overrides will only reduce the caps never expand t
hem. */ |
87 void applyOptionsOverrides(const GrContextOptions& options); | 88 void applyOptionsOverrides(const GrContextOptions& options); |
88 | 89 |
89 bool fShaderDerivativeSupport : 1; | 90 bool fShaderDerivativeSupport : 1; |
90 bool fGeometryShaderSupport : 1; | 91 bool fGeometryShaderSupport : 1; |
91 bool fPathRenderingSupport : 1; | 92 bool fPathRenderingSupport : 1; |
92 bool fDstReadInShaderSupport : 1; | 93 bool fDstReadInShaderSupport : 1; |
93 bool fDualSourceBlendingSupport : 1; | 94 bool fDualSourceBlendingSupport : 1; |
| 95 bool fProgrammableSampleLocationsSupport : 1; |
94 | 96 |
95 bool fShaderPrecisionVaries; | 97 bool fShaderPrecisionVaries; |
96 PrecisionInfo fFloatPrecisions[kGrShaderTypeCount][kGrSLPrecisionCount]; | 98 PrecisionInfo fFloatPrecisions[kGrShaderTypeCount][kGrSLPrecisionCount]; |
97 | 99 |
98 private: | 100 private: |
99 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; | 101 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; |
100 typedef SkRefCnt INHERITED; | 102 typedef SkRefCnt INHERITED; |
101 }; | 103 }; |
102 | 104 |
103 /** | 105 /** |
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119 bool stencilWrapOpsSupport() const { return fStencilWrapOpsSupport; } | 121 bool stencilWrapOpsSupport() const { return fStencilWrapOpsSupport; } |
120 bool discardRenderTargetSupport() const { return fDiscardRenderTargetSupport
; } | 122 bool discardRenderTargetSupport() const { return fDiscardRenderTargetSupport
; } |
121 #if GR_FORCE_GPU_TRACE_DEBUGGING | 123 #if GR_FORCE_GPU_TRACE_DEBUGGING |
122 bool gpuTracingSupport() const { return true; } | 124 bool gpuTracingSupport() const { return true; } |
123 #else | 125 #else |
124 bool gpuTracingSupport() const { return fGpuTracingSupport; } | 126 bool gpuTracingSupport() const { return fGpuTracingSupport; } |
125 #endif | 127 #endif |
126 bool compressedTexSubImageSupport() const { return fCompressedTexSubImageSup
port; } | 128 bool compressedTexSubImageSupport() const { return fCompressedTexSubImageSup
port; } |
127 bool oversizedStencilSupport() const { return fOversizedStencilSupport; } | 129 bool oversizedStencilSupport() const { return fOversizedStencilSupport; } |
128 bool textureBarrierSupport() const { return fTextureBarrierSupport; } | 130 bool textureBarrierSupport() const { return fTextureBarrierSupport; } |
129 bool multisampleDisableSupport() const { return fMultisampleDisableSupport;
} | |
130 bool programmableSampleLocationsSupport() const { return fProgrammableSample
LocationsSupport; } | |
131 bool mixedSamplesSupport() const { return fMixedSamplesSupport; } | 131 bool mixedSamplesSupport() const { return fMixedSamplesSupport; } |
132 | 132 |
133 bool useDrawInsteadOfClear() const { return fUseDrawInsteadOfClear; } | 133 bool useDrawInsteadOfClear() const { return fUseDrawInsteadOfClear; } |
134 bool useDrawInsteadOfPartialRenderTargetWrite() const { | 134 bool useDrawInsteadOfPartialRenderTargetWrite() const { |
135 return fUseDrawInsteadOfPartialRenderTargetWrite; | 135 return fUseDrawInsteadOfPartialRenderTargetWrite; |
136 } | 136 } |
137 | 137 |
138 bool preferVRAMUseOverFlushes() const { return fPreferVRAMUseOverFlushes; } | 138 bool preferVRAMUseOverFlushes() const { return fPreferVRAMUseOverFlushes; } |
139 | 139 |
140 /** | 140 /** |
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239 bool fMipMapSupport : 1; | 239 bool fMipMapSupport : 1; |
240 bool fTwoSidedStencilSupport : 1; | 240 bool fTwoSidedStencilSupport : 1; |
241 bool fStencilWrapOpsSupport : 1; | 241 bool fStencilWrapOpsSupport : 1; |
242 bool fDiscardRenderTargetSupport : 1; | 242 bool fDiscardRenderTargetSupport : 1; |
243 bool fReuseScratchTextures : 1; | 243 bool fReuseScratchTextures : 1; |
244 bool fReuseScratchBuffers : 1; | 244 bool fReuseScratchBuffers : 1; |
245 bool fGpuTracingSupport : 1; | 245 bool fGpuTracingSupport : 1; |
246 bool fCompressedTexSubImageSupport : 1; | 246 bool fCompressedTexSubImageSupport : 1; |
247 bool fOversizedStencilSupport : 1; | 247 bool fOversizedStencilSupport : 1; |
248 bool fTextureBarrierSupport : 1; | 248 bool fTextureBarrierSupport : 1; |
249 bool fMultisampleDisableSupport : 1; | |
250 bool fProgrammableSampleLocationsSupport : 1; | |
251 bool fMixedSamplesSupport : 1; | 249 bool fMixedSamplesSupport : 1; |
252 bool fSupportsInstancedDraws : 1; | 250 bool fSupportsInstancedDraws : 1; |
253 bool fFullClearIsFree : 1; | 251 bool fFullClearIsFree : 1; |
254 bool fMustClearUploadedBufferData : 1; | 252 bool fMustClearUploadedBufferData : 1; |
255 | 253 |
256 // Driver workaround | 254 // Driver workaround |
257 bool fUseDrawInsteadOfClear : 1; | 255 bool fUseDrawInsteadOfClear : 1; |
258 bool fUseDrawInsteadOfPartialRenderTargetWrite : 1; | 256 bool fUseDrawInsteadOfPartialRenderTargetWrite : 1; |
259 | 257 |
260 // ANGLE workaround | 258 // ANGLE workaround |
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279 private: | 277 private: |
280 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; | 278 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; |
281 | 279 |
282 bool fSupressPrints : 1; | 280 bool fSupressPrints : 1; |
283 bool fDrawPathMasksToCompressedTextureSupport : 1; | 281 bool fDrawPathMasksToCompressedTextureSupport : 1; |
284 | 282 |
285 typedef SkRefCnt INHERITED; | 283 typedef SkRefCnt INHERITED; |
286 }; | 284 }; |
287 | 285 |
288 #endif | 286 #endif |
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