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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 #include "GrGLProgramDesc.h" | 7 #include "GrGLProgramDesc.h" |
8 | 8 |
9 #include "GrProcessor.h" | 9 #include "GrProcessor.h" |
10 #include "GrPipeline.h" | 10 #include "GrPipeline.h" |
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113 glDesc->key().reset(); | 113 glDesc->key().reset(); |
114 glDesc->key().push_back_n(kProcessorKeysOffset); | 114 glDesc->key().push_back_n(kProcessorKeysOffset); |
115 | 115 |
116 GrProcessorKeyBuilder b(&glDesc->key()); | 116 GrProcessorKeyBuilder b(&glDesc->key()); |
117 | 117 |
118 primProc.getGLSLProcessorKey(glslCaps, &b); | 118 primProc.getGLSLProcessorKey(glslCaps, &b); |
119 if (!gen_meta_key(primProc, glslCaps, 0, &b)) { | 119 if (!gen_meta_key(primProc, glslCaps, 0, &b)) { |
120 glDesc->key().reset(); | 120 glDesc->key().reset(); |
121 return false; | 121 return false; |
122 } | 122 } |
| 123 GrProcessor::RequiredFeatures requiredFeatures = primProc.requiredFeatures()
; |
123 | 124 |
124 for (int i = 0; i < pipeline.numFragmentProcessors(); ++i) { | 125 for (int i = 0; i < pipeline.numFragmentProcessors(); ++i) { |
125 const GrFragmentProcessor& fp = pipeline.getFragmentProcessor(i); | 126 const GrFragmentProcessor& fp = pipeline.getFragmentProcessor(i); |
126 if (!gen_frag_proc_and_meta_keys(primProc, fp, glslCaps, &b)) { | 127 if (!gen_frag_proc_and_meta_keys(primProc, fp, glslCaps, &b)) { |
127 glDesc->key().reset(); | 128 glDesc->key().reset(); |
128 return false; | 129 return false; |
129 } | 130 } |
| 131 requiredFeatures |= fp.requiredFeatures(); |
130 } | 132 } |
131 | 133 |
132 const GrXferProcessor& xp = pipeline.getXferProcessor(); | 134 const GrXferProcessor& xp = pipeline.getXferProcessor(); |
133 xp.getGLSLProcessorKey(glslCaps, &b); | 135 xp.getGLSLProcessorKey(glslCaps, &b); |
134 if (!gen_meta_key(xp, glslCaps, 0, &b)) { | 136 if (!gen_meta_key(xp, glslCaps, 0, &b)) { |
135 glDesc->key().reset(); | 137 glDesc->key().reset(); |
136 return false; | 138 return false; |
137 } | 139 } |
| 140 requiredFeatures |= xp.requiredFeatures(); |
138 | 141 |
139 // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------
------------------- | 142 // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------
------------------- |
140 // Because header is a pointer into the dynamic array, we can't push any new
data into the key | 143 // Because header is a pointer into the dynamic array, we can't push any new
data into the key |
141 // below here. | 144 // below here. |
142 KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>(); | 145 KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>(); |
143 | 146 |
144 // make sure any padding in the header is zeroed. | 147 // make sure any padding in the header is zeroed. |
145 memset(header, 0, kHeaderSize); | 148 memset(header, 0, kHeaderSize); |
146 | 149 |
147 if (pipeline.readsFragPosition()) { | 150 if (requiredFeatures & GrProcessor::kFragmentPosition_RequiredFeature) { |
148 header->fFragPosKey = | 151 header->fFragPosKey = |
149 GrGLSLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.get
RenderTarget()); | 152 GrGLSLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.get
RenderTarget()); |
150 } else { | 153 } else { |
151 header->fFragPosKey = 0; | 154 header->fFragPosKey = 0; |
152 } | 155 } |
153 | 156 |
154 header->fOutputSwizzle = | 157 header->fOutputSwizzle = |
155 glslCaps.configOutputSwizzle(pipeline.getRenderTarget()->config()).asKey
(); | 158 glslCaps.configOutputSwizzle(pipeline.getRenderTarget()->config()).asKey
(); |
156 | 159 |
157 if (pipeline.ignoresCoverage()) { | 160 if (pipeline.ignoresCoverage()) { |
158 header->fIgnoresCoverage = 1; | 161 header->fIgnoresCoverage = 1; |
159 } else { | 162 } else { |
160 header->fIgnoresCoverage = 0; | 163 header->fIgnoresCoverage = 0; |
161 } | 164 } |
162 | 165 |
163 header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters(); | 166 header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters(); |
164 header->fColorEffectCnt = pipeline.numColorFragmentProcessors(); | 167 header->fColorEffectCnt = pipeline.numColorFragmentProcessors(); |
165 header->fCoverageEffectCnt = pipeline.numCoverageFragmentProcessors(); | 168 header->fCoverageEffectCnt = pipeline.numCoverageFragmentProcessors(); |
166 glDesc->finalize(); | 169 glDesc->finalize(); |
167 return true; | 170 return true; |
168 } | 171 } |
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