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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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74 return fFloatPrecisions[shaderType][precision]; | 74 return fFloatPrecisions[shaderType][precision]; |
75 }; | 75 }; |
76 | 76 |
77 /** | 77 /** |
78 * Is there any difference between the float shader variable precision types?
If this is true | 78 * 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 | 79 * 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. | 80 * report the same info for all precisions in all shader types. |
81 */ | 81 */ |
82 bool floatPrecisionVaries() const { return fShaderPrecisionVaries; } | 82 bool floatPrecisionVaries() const { return fShaderPrecisionVaries; } |
83 | 83 |
84 /** | |
85 * PLS storage size in bytes (0 when not supported). The PLS spec defines a
minimum size of 16 | |
86 * bytes whenever PLS is supported. | |
87 */ | |
88 int pixelLocalStorageSize() const { return fPixelLocalStorageSize; } | |
89 | |
90 /** | |
91 * True if this context supports the necessary extensions and features to en
able the PLS path | |
92 * renderer. | |
93 */ | |
94 bool plsPathRenderingSupport() const { | |
95 #if GR_ENABLE_PLS_PATH_RENDERING | |
96 return fPLSPathRenderingSupport; | |
97 #else | |
98 return false; | |
99 #endif | |
100 } | |
101 | |
102 protected: | 84 protected: |
103 /** Subclasses must call this after initialization in order to apply caps ov
errides requested by | 85 /** Subclasses must call this after initialization in order to apply caps ov
errides requested by |
104 the client. Note that overrides will only reduce the caps never expand t
hem. */ | 86 the client. Note that overrides will only reduce the caps never expand t
hem. */ |
105 void applyOptionsOverrides(const GrContextOptions& options); | 87 void applyOptionsOverrides(const GrContextOptions& options); |
106 | 88 |
107 bool fShaderDerivativeSupport : 1; | 89 bool fShaderDerivativeSupport : 1; |
108 bool fGeometryShaderSupport : 1; | 90 bool fGeometryShaderSupport : 1; |
109 bool fPathRenderingSupport : 1; | 91 bool fPathRenderingSupport : 1; |
110 bool fDstReadInShaderSupport : 1; | 92 bool fDstReadInShaderSupport : 1; |
111 bool fDualSourceBlendingSupport : 1; | 93 bool fDualSourceBlendingSupport : 1; |
112 | 94 |
113 bool fShaderPrecisionVaries; | 95 bool fShaderPrecisionVaries; |
114 PrecisionInfo fFloatPrecisions[kGrShaderTypeCount][kGrSLPrecisionCount]; | 96 PrecisionInfo fFloatPrecisions[kGrShaderTypeCount][kGrSLPrecisionCount]; |
115 int fPixelLocalStorageSize; | |
116 bool fPLSPathRenderingSupport; | |
117 | 97 |
118 private: | 98 private: |
119 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; | 99 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; |
120 typedef SkRefCnt INHERITED; | 100 typedef SkRefCnt INHERITED; |
121 }; | 101 }; |
122 | 102 |
123 /** | 103 /** |
124 * Represents the capabilities of a GrContext. | 104 * Represents the capabilities of a GrContext. |
125 */ | 105 */ |
126 class GrCaps : public SkRefCnt { | 106 class GrCaps : public SkRefCnt { |
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296 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; | 276 virtual void onApplyOptionsOverrides(const GrContextOptions&) {}; |
297 | 277 |
298 bool fSuppressPrints : 1; | 278 bool fSuppressPrints : 1; |
299 bool fImmediateFlush: 1; | 279 bool fImmediateFlush: 1; |
300 bool fDrawPathMasksToCompressedTextureSupport : 1; | 280 bool fDrawPathMasksToCompressedTextureSupport : 1; |
301 | 281 |
302 typedef SkRefCnt INHERITED; | 282 typedef SkRefCnt INHERITED; |
303 }; | 283 }; |
304 | 284 |
305 #endif | 285 #endif |
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