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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 "GrGLGpu.h" | 10 #include "GrGLGpu.h" |
| (...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 81 static bool get_frag_proc_and_meta_keys(const GrPrimitiveProcessor& primProc, | 81 static bool get_frag_proc_and_meta_keys(const GrPrimitiveProcessor& primProc, |
| 82 const GrFragmentProcessor& fp, | 82 const GrFragmentProcessor& fp, |
| 83 const GrGLCaps& caps, | 83 const GrGLCaps& caps, |
| 84 GrProcessorKeyBuilder* b) { | 84 GrProcessorKeyBuilder* b) { |
| 85 for (int i = 0; i < fp.numChildProcessors(); ++i) { | 85 for (int i = 0; i < fp.numChildProcessors(); ++i) { |
| 86 if (!get_frag_proc_and_meta_keys(primProc, fp.childProcessor(i), caps, b
)) { | 86 if (!get_frag_proc_and_meta_keys(primProc, fp.childProcessor(i), caps, b
)) { |
| 87 return false; | 87 return false; |
| 88 } | 88 } |
| 89 } | 89 } |
| 90 | 90 |
| 91 fp.getGLProcessorKey(*caps.glslCaps(), b); | 91 fp.getGLSLProcessorKey(*caps.glslCaps(), b); |
| 92 | 92 |
| 93 //**** use glslCaps here? | 93 //**** use glslCaps here? |
| 94 return get_meta_key(fp, caps, primProc.getTransformKey(fp.coordTransforms(), | 94 return get_meta_key(fp, caps, primProc.getTransformKey(fp.coordTransforms(), |
| 95 fp.numTransformsExclC
hildren()), b); | 95 fp.numTransformsExclC
hildren()), b); |
| 96 } | 96 } |
| 97 | 97 |
| 98 bool GrGLProgramDescBuilder::Build(GrProgramDesc* desc, | 98 bool GrGLProgramDescBuilder::Build(GrProgramDesc* desc, |
| 99 const GrPrimitiveProcessor& primProc, | 99 const GrPrimitiveProcessor& primProc, |
| 100 const GrPipeline& pipeline, | 100 const GrPipeline& pipeline, |
| 101 const GrGLGpu* gpu) { | 101 const GrGLGpu* gpu) { |
| 102 // The descriptor is used as a cache key. Thus when a field of the | 102 // The descriptor is used as a cache key. Thus when a field of the |
| 103 // descriptor will not affect program generation (because of the attribute | 103 // descriptor will not affect program generation (because of the attribute |
| 104 // bindings in use or other descriptor field settings) it should be set | 104 // bindings in use or other descriptor field settings) it should be set |
| 105 // to a canonical value to avoid duplicate programs with different keys. | 105 // to a canonical value to avoid duplicate programs with different keys. |
| 106 | 106 |
| 107 GrGLProgramDesc* glDesc = (GrGLProgramDesc*) desc; | 107 GrGLProgramDesc* glDesc = (GrGLProgramDesc*) desc; |
| 108 | 108 |
| 109 GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t)); | 109 GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t)); |
| 110 // Make room for everything up to the effect keys. | 110 // Make room for everything up to the effect keys. |
| 111 glDesc->key().reset(); | 111 glDesc->key().reset(); |
| 112 glDesc->key().push_back_n(kProcessorKeysOffset); | 112 glDesc->key().push_back_n(kProcessorKeysOffset); |
| 113 | 113 |
| 114 GrProcessorKeyBuilder b(&glDesc->key()); | 114 GrProcessorKeyBuilder b(&glDesc->key()); |
| 115 | 115 |
| 116 primProc.getGLProcessorKey(*gpu->glCaps().glslCaps(), &b); | 116 primProc.getGLSLProcessorKey(*gpu->glCaps().glslCaps(), &b); |
| 117 //**** use glslCaps here? | 117 //**** use glslCaps here? |
| 118 if (!get_meta_key(primProc, gpu->glCaps(), 0, &b)) { | 118 if (!get_meta_key(primProc, gpu->glCaps(), 0, &b)) { |
| 119 glDesc->key().reset(); | 119 glDesc->key().reset(); |
| 120 return false; | 120 return false; |
| 121 } | 121 } |
| 122 | 122 |
| 123 for (int i = 0; i < pipeline.numFragmentProcessors(); ++i) { | 123 for (int i = 0; i < pipeline.numFragmentProcessors(); ++i) { |
| 124 const GrFragmentProcessor& fp = pipeline.getFragmentProcessor(i); | 124 const GrFragmentProcessor& fp = pipeline.getFragmentProcessor(i); |
| 125 if (!get_frag_proc_and_meta_keys(primProc, fp, gpu->glCaps(), &b)) { | 125 if (!get_frag_proc_and_meta_keys(primProc, fp, gpu->glCaps(), &b)) { |
| 126 glDesc->key().reset(); | 126 glDesc->key().reset(); |
| 127 return false; | 127 return false; |
| 128 } | 128 } |
| 129 } | 129 } |
| 130 | 130 |
| 131 const GrXferProcessor& xp = *pipeline.getXferProcessor(); | 131 const GrXferProcessor& xp = *pipeline.getXferProcessor(); |
| 132 xp.getGLProcessorKey(*gpu->glCaps().glslCaps(), &b); | 132 xp.getGLSLProcessorKey(*gpu->glCaps().glslCaps(), &b); |
| 133 //**** use glslCaps here? | 133 //**** use glslCaps here? |
| 134 if (!get_meta_key(xp, gpu->glCaps(), 0, &b)) { | 134 if (!get_meta_key(xp, gpu->glCaps(), 0, &b)) { |
| 135 glDesc->key().reset(); | 135 glDesc->key().reset(); |
| 136 return false; | 136 return false; |
| 137 } | 137 } |
| 138 | 138 |
| 139 // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------
------------------- | 139 // --------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 | 140 // Because header is a pointer into the dynamic array, we can't push any new
data into the key |
| 141 // below here. | 141 // below here. |
| 142 KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>(); | 142 KeyHeader* header = glDesc->atOffset<KeyHeader, kHeaderOffset>(); |
| 143 | 143 |
| 144 // make sure any padding in the header is zeroed. | 144 // make sure any padding in the header is zeroed. |
| 145 memset(header, 0, kHeaderSize); | 145 memset(header, 0, kHeaderSize); |
| 146 | 146 |
| 147 if (pipeline.readsFragPosition()) { | 147 if (pipeline.readsFragPosition()) { |
| 148 header->fFragPosKey = | 148 header->fFragPosKey = |
| 149 GrGLSLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.get
RenderTarget()); | 149 GrGLSLFragmentShaderBuilder::KeyForFragmentPosition(pipeline.get
RenderTarget()); |
| 150 } else { | 150 } else { |
| 151 header->fFragPosKey = 0; | 151 header->fFragPosKey = 0; |
| 152 } | 152 } |
| 153 header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters(); | 153 header->fSnapVerticesToPixelCenters = pipeline.snapVerticesToPixelCenters(); |
| 154 header->fColorEffectCnt = pipeline.numColorFragmentProcessors(); | 154 header->fColorEffectCnt = pipeline.numColorFragmentProcessors(); |
| 155 header->fCoverageEffectCnt = pipeline.numCoverageFragmentProcessors(); | 155 header->fCoverageEffectCnt = pipeline.numCoverageFragmentProcessors(); |
| 156 glDesc->finalize(); | 156 glDesc->finalize(); |
| 157 return true; | 157 return true; |
| 158 } | 158 } |
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