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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 | 8 |
9 #ifndef GrGLSLCaps_DEFINED | 9 #ifndef GrGLSLCaps_DEFINED |
10 #define GrGLSLCaps_DEFINED | 10 #define GrGLSLCaps_DEFINED |
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57 bool flatInterpolationSupport() const { return fFlatInterpolationSupport; } | 57 bool flatInterpolationSupport() const { return fFlatInterpolationSupport; } |
58 | 58 |
59 bool noperspectiveInterpolationSupport() const { return fNoPerspectiveInterp
olationSupport; } | 59 bool noperspectiveInterpolationSupport() const { return fNoPerspectiveInterp
olationSupport; } |
60 | 60 |
61 bool multisampleInterpolationSupport() const { return fMultisampleInterpolat
ionSupport; } | 61 bool multisampleInterpolationSupport() const { return fMultisampleInterpolat
ionSupport; } |
62 | 62 |
63 bool sampleVariablesSupport() const { return fSampleVariablesSupport; } | 63 bool sampleVariablesSupport() const { return fSampleVariablesSupport; } |
64 | 64 |
65 bool sampleMaskOverrideCoverageSupport() const { return fSampleMaskOverrideC
overageSupport; } | 65 bool sampleMaskOverrideCoverageSupport() const { return fSampleMaskOverrideC
overageSupport; } |
66 | 66 |
| 67 bool externalTextureSupport() const { return fExternalTextureSupport; } |
| 68 |
67 AdvBlendEqInteraction advBlendEqInteraction() const { return fAdvBlendEqInte
raction; } | 69 AdvBlendEqInteraction advBlendEqInteraction() const { return fAdvBlendEqInte
raction; } |
68 | 70 |
69 bool mustEnableAdvBlendEqs() const { | 71 bool mustEnableAdvBlendEqs() const { |
70 return fAdvBlendEqInteraction >= kGeneralEnable_AdvBlendEqInteraction; | 72 return fAdvBlendEqInteraction >= kGeneralEnable_AdvBlendEqInteraction; |
71 } | 73 } |
72 | 74 |
73 bool mustEnableSpecificAdvBlendEqs() const { | 75 bool mustEnableSpecificAdvBlendEqs() const { |
74 return fAdvBlendEqInteraction == kSpecificEnables_AdvBlendEqInteraction; | 76 return fAdvBlendEqInteraction == kSpecificEnables_AdvBlendEqInteraction; |
75 } | 77 } |
76 | 78 |
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105 | 107 |
106 // This returns the name of an extension that must be enabled in the shader,
if such a thing is | 108 // This returns the name of an extension that must be enabled in the shader,
if such a thing is |
107 // required in order to use a secondary output in the shader. This returns a
nullptr if no such | 109 // required in order to use a secondary output in the shader. This returns a
nullptr if no such |
108 // extension is required. However, the return value of this function does no
t say whether dual | 110 // extension is required. However, the return value of this function does no
t say whether dual |
109 // source blending is supported. | 111 // source blending is supported. |
110 const char* secondaryOutputExtensionString() const { | 112 const char* secondaryOutputExtensionString() const { |
111 return fSecondaryOutputExtensionString; | 113 return fSecondaryOutputExtensionString; |
112 } | 114 } |
113 | 115 |
114 const char* externalTextureExtensionString() const { | 116 const char* externalTextureExtensionString() const { |
| 117 SkASSERT(this->externalTextureSupport()); |
115 return fExternalTextureExtensionString; | 118 return fExternalTextureExtensionString; |
116 } | 119 } |
117 | 120 |
118 const char* noperspectiveInterpolationExtensionString() const { | 121 const char* noperspectiveInterpolationExtensionString() const { |
119 SkASSERT(this->noperspectiveInterpolationSupport()); | 122 SkASSERT(this->noperspectiveInterpolationSupport()); |
120 return fNoPerspectiveInterpolationExtensionString; | 123 return fNoPerspectiveInterpolationExtensionString; |
121 } | 124 } |
122 | 125 |
123 const char* multisampleInterpolationExtensionString() const { | 126 const char* multisampleInterpolationExtensionString() const { |
124 SkASSERT(this->multisampleInterpolationSupport()); | 127 SkASSERT(this->multisampleInterpolationSupport()); |
125 return fMultisampleInterpolationExtensionString; | 128 return fMultisampleInterpolationExtensionString; |
126 } | 129 } |
127 | 130 |
128 const char* sampleVariablesExtensionString() const { | 131 const char* sampleVariablesExtensionString() const { |
129 SkASSERT(this->sampleVariablesSupport()); | 132 SkASSERT(this->sampleVariablesSupport()); |
130 return fSampleVariablesExtensionString; | 133 return fSampleVariablesExtensionString; |
131 } | 134 } |
132 | 135 |
| 136 int maxVertexSamplers() const { return fMaxVertexSamplers; } |
| 137 |
| 138 int maxGeometrySamplers() const { return fMaxGeometrySamplers; } |
| 139 |
| 140 int maxFragmentSamplers() const { return fMaxFragmentSamplers; } |
| 141 |
| 142 int maxCombinedSamplers() const { return fMaxCombinedSamplers; } |
| 143 |
133 /** | 144 /** |
134 * Given a texture's config, this determines what swizzle must be appended t
o accesses to the | 145 * Given a texture's config, this determines what swizzle must be appended t
o accesses to the |
135 * texture in generated shader code. Swizzling may be implemented in texture
parameters or a | 146 * texture in generated shader code. Swizzling may be implemented in texture
parameters or a |
136 * sampler rather than in the shader. In this case the returned swizzle will
always be "rgba". | 147 * sampler rather than in the shader. In this case the returned swizzle will
always be "rgba". |
137 */ | 148 */ |
138 const GrSwizzle& configTextureSwizzle(GrPixelConfig config) const { | 149 const GrSwizzle& configTextureSwizzle(GrPixelConfig config) const { |
139 return fConfigTextureSwizzle[config]; | 150 return fConfigTextureSwizzle[config]; |
140 } | 151 } |
141 | 152 |
142 /** Swizzle that should occur on the fragment shader outputs for a given con
fig. */ | 153 /** Swizzle that should occur on the fragment shader outputs for a given con
fig. */ |
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160 bool fFBFetchSupport : 1; | 171 bool fFBFetchSupport : 1; |
161 bool fFBFetchNeedsCustomOutput : 1; | 172 bool fFBFetchNeedsCustomOutput : 1; |
162 bool fBindlessTextureSupport : 1; | 173 bool fBindlessTextureSupport : 1; |
163 bool fUsesPrecisionModifiers : 1; | 174 bool fUsesPrecisionModifiers : 1; |
164 bool fCanUseAnyFunctionInShader : 1; | 175 bool fCanUseAnyFunctionInShader : 1; |
165 bool fFlatInterpolationSupport : 1; | 176 bool fFlatInterpolationSupport : 1; |
166 bool fNoPerspectiveInterpolationSupport : 1; | 177 bool fNoPerspectiveInterpolationSupport : 1; |
167 bool fMultisampleInterpolationSupport : 1; | 178 bool fMultisampleInterpolationSupport : 1; |
168 bool fSampleVariablesSupport : 1; | 179 bool fSampleVariablesSupport : 1; |
169 bool fSampleMaskOverrideCoverageSupport : 1; | 180 bool fSampleMaskOverrideCoverageSupport : 1; |
| 181 bool fExternalTextureSupport : 1; |
170 | 182 |
171 // Used for specific driver bug work arounds | 183 // Used for specific driver bug work arounds |
172 bool fCanUseMinAndAbsTogether : 1; | 184 bool fCanUseMinAndAbsTogether : 1; |
173 bool fMustForceNegatedAtanParamToFloat : 1; | 185 bool fMustForceNegatedAtanParamToFloat : 1; |
174 | 186 |
175 const char* fVersionDeclString; | 187 const char* fVersionDeclString; |
176 | 188 |
177 const char* fShaderDerivativeExtensionString; | 189 const char* fShaderDerivativeExtensionString; |
178 const char* fFragCoordConventionsExtensionString; | 190 const char* fFragCoordConventionsExtensionString; |
179 const char* fSecondaryOutputExtensionString; | 191 const char* fSecondaryOutputExtensionString; |
180 const char* fExternalTextureExtensionString; | 192 const char* fExternalTextureExtensionString; |
181 const char* fNoPerspectiveInterpolationExtensionString; | 193 const char* fNoPerspectiveInterpolationExtensionString; |
182 const char* fMultisampleInterpolationExtensionString; | 194 const char* fMultisampleInterpolationExtensionString; |
183 const char* fSampleVariablesExtensionString; | 195 const char* fSampleVariablesExtensionString; |
184 | 196 |
185 const char* fFBFetchColorName; | 197 const char* fFBFetchColorName; |
186 const char* fFBFetchExtensionString; | 198 const char* fFBFetchExtensionString; |
187 | 199 |
| 200 uint8_t fMaxVertexSamplers; |
| 201 uint8_t fMaxGeometrySamplers; |
| 202 uint8_t fMaxFragmentSamplers; |
| 203 uint8_t fMaxCombinedSamplers; |
| 204 |
188 AdvBlendEqInteraction fAdvBlendEqInteraction; | 205 AdvBlendEqInteraction fAdvBlendEqInteraction; |
189 | 206 |
190 GrSwizzle fConfigTextureSwizzle[kGrPixelConfigCnt]; | 207 GrSwizzle fConfigTextureSwizzle[kGrPixelConfigCnt]; |
191 GrSwizzle fConfigOutputSwizzle[kGrPixelConfigCnt]; | 208 GrSwizzle fConfigOutputSwizzle[kGrPixelConfigCnt]; |
192 | 209 |
193 friend class GrGLCaps; // For initialization. | 210 friend class GrGLCaps; // For initialization. |
194 friend class GrVkCaps; | 211 friend class GrVkCaps; |
195 | 212 |
196 typedef GrShaderCaps INHERITED; | 213 typedef GrShaderCaps INHERITED; |
197 }; | 214 }; |
198 | 215 |
199 #endif | 216 #endif |
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