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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 "GrGLProcessor.h" | 9 #include "GrGLProcessor.h" |
10 #include "GrBackendProcessorFactory.h" | |
11 #include "GrProcessor.h" | 10 #include "GrProcessor.h" |
12 #include "GrGpuGL.h" | 11 #include "GrGpuGL.h" |
13 #include "GrOptDrawState.h" | 12 #include "GrOptDrawState.h" |
14 #include "SkChecksum.h" | 13 #include "SkChecksum.h" |
15 #include "gl/builders/GrGLFragmentShaderBuilder.h" | 14 #include "gl/builders/GrGLFragmentShaderBuilder.h" |
16 | 15 |
17 /** | 16 /** |
18 * The key for an individual coord transform is made up of a matrix type and a b
it that | 17 * The key for an individual coord transform is made up of a matrix type and a b
it that |
19 * indicates the source of the input coords. | 18 * indicates the source of the input coords. |
20 */ | 19 */ |
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118 * textures, transforms, etc, for the space allotted in the meta-key. NOTE, bot
h FPs and GPs share | 117 * textures, transforms, etc, for the space allotted in the meta-key. NOTE, bot
h FPs and GPs share |
119 * this function because it is hairy, though FPs do not have attribs, and GPs do
not have transforms | 118 * this function because it is hairy, though FPs do not have attribs, and GPs do
not have transforms |
120 */ | 119 */ |
121 static bool get_meta_key(const GrProcessor& proc, | 120 static bool get_meta_key(const GrProcessor& proc, |
122 const GrGLCaps& caps, | 121 const GrGLCaps& caps, |
123 uint32_t transformKey, | 122 uint32_t transformKey, |
124 uint32_t attribKey, | 123 uint32_t attribKey, |
125 GrProcessorKeyBuilder* b) { | 124 GrProcessorKeyBuilder* b) { |
126 size_t processorKeySize = b->size(); | 125 size_t processorKeySize = b->size(); |
127 uint32_t textureKey = gen_texture_key(proc, caps); | 126 uint32_t textureKey = gen_texture_key(proc, caps); |
128 uint32_t classID = proc.getFactory().classID(); | 127 uint32_t classID = proc.classID(); |
129 | 128 |
130 // Currently we allow 16 bits for each of the above portions of the meta-key
. Fail if they | 129 // Currently we allow 16 bits for each of the above portions of the meta-key
. Fail if they |
131 // don't fit. | 130 // don't fit. |
132 static const uint32_t kMetaKeyInvalidMask = ~((uint32_t) SK_MaxU16); | 131 static const uint32_t kMetaKeyInvalidMask = ~((uint32_t) SK_MaxU16); |
133 if ((textureKey | transformKey | classID) & kMetaKeyInvalidMask) { | 132 if ((textureKey | transformKey | classID) & kMetaKeyInvalidMask) { |
134 return false; | 133 return false; |
135 } | 134 } |
136 if (processorKeySize > SK_MaxU16) { | 135 if (processorKeySize > SK_MaxU16) { |
137 return false; | 136 return false; |
138 } | 137 } |
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160 | 159 |
161 GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t)); | 160 GR_STATIC_ASSERT(0 == kProcessorKeysOffset % sizeof(uint32_t)); |
162 // Make room for everything up to the effect keys. | 161 // Make room for everything up to the effect keys. |
163 desc->fKey.reset(); | 162 desc->fKey.reset(); |
164 desc->fKey.push_back_n(kProcessorKeysOffset); | 163 desc->fKey.push_back_n(kProcessorKeysOffset); |
165 | 164 |
166 // We can only have one effect which touches the vertex shader | 165 // We can only have one effect which touches the vertex shader |
167 if (optState.hasGeometryProcessor()) { | 166 if (optState.hasGeometryProcessor()) { |
168 const GrGeometryProcessor& gp = *optState.getGeometryProcessor(); | 167 const GrGeometryProcessor& gp = *optState.getGeometryProcessor(); |
169 GrProcessorKeyBuilder b(&desc->fKey); | 168 GrProcessorKeyBuilder b(&desc->fKey); |
170 const GrBackendGeometryProcessorFactory& factory = gp.getFactory(); | 169 gp.getGLProcessorKey(optState.getBatchTracker(), gpu->glCaps(), &b); |
171 factory.getGLProcessorKey(gp, optState.getBatchTracker(), gpu->glCaps(),
&b); | |
172 if (!get_meta_key(gp, gpu->glCaps(), 0, gen_attrib_key(gp), &b)) { | 170 if (!get_meta_key(gp, gpu->glCaps(), 0, gen_attrib_key(gp), &b)) { |
173 desc->fKey.reset(); | 171 desc->fKey.reset(); |
174 return false; | 172 return false; |
175 } | 173 } |
176 } | 174 } |
177 | 175 |
178 for (int s = 0; s < optState.numFragmentStages(); ++s) { | 176 for (int s = 0; s < optState.numFragmentStages(); ++s) { |
179 const GrPendingFragmentStage& fps = optState.getFragmentStage(s); | 177 const GrPendingFragmentStage& fps = optState.getFragmentStage(s); |
180 const GrFragmentProcessor& fp = *fps.getProcessor(); | 178 const GrFragmentProcessor& fp = *fps.getProcessor(); |
181 GrProcessorKeyBuilder b(&desc->fKey); | 179 GrProcessorKeyBuilder b(&desc->fKey); |
182 const GrBackendFragmentProcessorFactory& factory = fp.getFactory(); | 180 fp.getGLProcessorKey(gpu->glCaps(), &b); |
183 factory.getGLProcessorKey(fp, gpu->glCaps(), &b); | |
184 if (!get_meta_key(*fps.getProcessor(), gpu->glCaps(), | 181 if (!get_meta_key(*fps.getProcessor(), gpu->glCaps(), |
185 gen_transform_key(fps, requiresLocalCoordAttrib), 0, &b
)) { | 182 gen_transform_key(fps, requiresLocalCoordAttrib), 0, &b
)) { |
186 desc->fKey.reset(); | 183 desc->fKey.reset(); |
187 return false; | 184 return false; |
188 } | 185 } |
189 } | 186 } |
190 | 187 |
191 // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------
------------------- | 188 // --------DO NOT MOVE HEADER ABOVE THIS LINE-------------------------------
------------------- |
192 // Because header is a pointer into the dynamic array, we can't push any new
data into the key | 189 // Because header is a pointer into the dynamic array, we can't push any new
data into the key |
193 // below here. | 190 // below here. |
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253 } | 250 } |
254 | 251 |
255 header->fPrimaryOutputType = descInfo.fPrimaryOutputType; | 252 header->fPrimaryOutputType = descInfo.fPrimaryOutputType; |
256 header->fSecondaryOutputType = descInfo.fSecondaryOutputType; | 253 header->fSecondaryOutputType = descInfo.fSecondaryOutputType; |
257 | 254 |
258 header->fColorEffectCnt = optState.numColorStages(); | 255 header->fColorEffectCnt = optState.numColorStages(); |
259 header->fCoverageEffectCnt = optState.numCoverageStages(); | 256 header->fCoverageEffectCnt = optState.numCoverageStages(); |
260 desc->finalize(); | 257 desc->finalize(); |
261 return true; | 258 return true; |
262 } | 259 } |
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