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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "GrGLProgramBuilder.h" | 8 #include "GrGLProgramBuilder.h" |
9 | 9 |
10 #include "gl/GrGLGeometryProcessor.h" | 10 #include "gl/GrGLGeometryProcessor.h" |
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172 fUniforms[i].fVariable.appendDecl(this->ctxInfo(), out); | 172 fUniforms[i].fVariable.appendDecl(this->ctxInfo(), out); |
173 out->append(";\n"); | 173 out->append(";\n"); |
174 } | 174 } |
175 } | 175 } |
176 } | 176 } |
177 | 177 |
178 const GrGLContextInfo& GrGLProgramBuilder::ctxInfo() const { | 178 const GrGLContextInfo& GrGLProgramBuilder::ctxInfo() const { |
179 return fGpu->ctxInfo(); | 179 return fGpu->ctxInfo(); |
180 } | 180 } |
181 | 181 |
| 182 static void append_gr_fp_coord_transforms(const GrFragmentProcessor* processor, |
| 183 SkTArray<const GrCoordTransform*, true
>* procCoords) { |
| 184 // add the coord transforms of this processor |
| 185 for (int i = 0; i < processor->numTransforms(); ++i) { |
| 186 procCoords->push_back(&processor->coordTransform(i)); |
| 187 } |
| 188 // recursively add the coord transforms of this processor's child processors |
| 189 for (int i = 0; i < processor->numChildProcessors(); ++i) { |
| 190 append_gr_fp_coord_transforms(processor->childProcessor(i), procCoords); |
| 191 } |
| 192 } |
| 193 |
182 bool GrGLProgramBuilder::emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr
4* inputCoverage) { | 194 bool GrGLProgramBuilder::emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr
4* inputCoverage) { |
183 // First we loop over all of the installed processors and collect coord tran
sforms. These will | 195 // First we loop over all of the installed processors and collect coord tran
sforms. These will |
184 // be sent to the GrGLPrimitiveProcessor in its emitCode function | 196 // be sent to the GrGLPrimitiveProcessor in its emitCode function |
185 const GrPrimitiveProcessor& primProc = this->primitiveProcessor(); | 197 const GrPrimitiveProcessor& primProc = this->primitiveProcessor(); |
186 int totalTextures = primProc.numTextures(); | 198 int totalTextures = primProc.numTextures(); |
187 const int maxTextureUnits = fGpu->glCaps().maxFragmentTextureUnits(); | 199 const int maxTextureUnits = fGpu->glCaps().maxFragmentTextureUnits(); |
188 SkSTArray<8, GrGLProcessor::TransformedCoordsArray> outCoords; | 200 SkSTArray<8, GrGLProcessor::TransformedCoordsArray> outCoords; |
189 for (int i = 0; i < this->pipeline().numFragmentStages(); i++) { | 201 for (int i = 0; i < this->pipeline().numFragmentStages(); i++) { |
190 const GrFragmentProcessor* processor = this->pipeline().getFragmentStage
(i).processor(); | 202 const GrFragmentProcessor* processor = this->pipeline().getFragmentStage
(i).processor(); |
191 SkSTArray<2, const GrCoordTransform*, true>& procCoords = fCoordTransfor
ms.push_back(); | 203 SkSTArray<2, const GrCoordTransform*, true>& procCoords = fCoordTransfor
ms.push_back(); |
192 for (int t = 0; t < processor->numTransforms(); t++) { | |
193 procCoords.push_back(&processor->coordTransform(t)); | |
194 } | |
195 | 204 |
196 totalTextures += processor->numTextures(); | 205 append_gr_fp_coord_transforms(processor, &procCoords); |
| 206 |
| 207 totalTextures += processor->numTexturesIncludeChildProcs(); |
197 if (totalTextures >= maxTextureUnits) { | 208 if (totalTextures >= maxTextureUnits) { |
198 GrCapsDebugf(fGpu->caps(), "Program would use too many texture units
\n"); | 209 GrCapsDebugf(fGpu->caps(), "Program would use too many texture units
\n"); |
199 return false; | 210 return false; |
200 } | 211 } |
201 } | 212 } |
202 | 213 |
203 this->emitAndInstallProc(primProc, inputColor, inputCoverage); | 214 this->emitAndInstallProc(primProc, inputColor, inputCoverage); |
204 | 215 |
205 fFragmentProcessors.reset(SkNEW(GrGLInstalledFragProcs)); | 216 fFragmentProcessors.reset(SkNEW(GrGLInstalledFragProcs)); |
206 int numProcs = this->pipeline().numFragmentStages(); | 217 int numProcs = this->pipeline().numFragmentStages(); |
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277 | 288 |
278 void GrGLProgramBuilder::emitAndInstallProc(const GrPendingFragmentStage& fs, | 289 void GrGLProgramBuilder::emitAndInstallProc(const GrPendingFragmentStage& fs, |
279 int index, | 290 int index, |
280 const char* outColor, | 291 const char* outColor, |
281 const char* inColor) { | 292 const char* inColor) { |
282 GrGLInstalledFragProc* ifp = SkNEW(GrGLInstalledFragProc); | 293 GrGLInstalledFragProc* ifp = SkNEW(GrGLInstalledFragProc); |
283 | 294 |
284 const GrFragmentProcessor& fp = *fs.processor(); | 295 const GrFragmentProcessor& fp = *fs.processor(); |
285 ifp->fGLProc.reset(fp.createGLInstance()); | 296 ifp->fGLProc.reset(fp.createGLInstance()); |
286 | 297 |
287 SkSTArray<4, GrGLProcessor::TextureSampler> samplers(fp.numTextures()); | 298 SkSTArray<4, GrGLProcessor::TextureSampler> samplers(fp.numTexturesIncludeCh
ildProcs()); |
288 this->emitSamplers(fp, &samplers, ifp); | 299 this->emitSamplers(fp, &samplers, ifp); |
289 | 300 |
290 GrGLFragmentProcessor::EmitArgs args(this, fp, outColor, inColor, fOutCoords
[index], samplers); | 301 GrGLFragmentProcessor::EmitArgs args(this, fp, outColor, inColor, fOutCoords
[index], samplers); |
291 ifp->fGLProc->emitCode(args); | 302 ifp->fGLProc->emitCode(args); |
292 | 303 |
293 // We have to check that effects and the code they emit are consistent, ie i
f an effect | 304 // We have to check that effects and the code they emit are consistent, ie i
f an effect |
294 // asks for dst color, then the emit code needs to follow suit | 305 // asks for dst color, then the emit code needs to follow suit |
295 verify(fp); | 306 verify(fp); |
296 fFragmentProcessors->fProcs.push_back(ifp); | 307 fFragmentProcessors->fProcs.push_back(ifp); |
297 } | 308 } |
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497 } | 508 } |
498 | 509 |
499 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 510 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
500 | 511 |
501 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { | 512 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { |
502 int numProcs = fProcs.count(); | 513 int numProcs = fProcs.count(); |
503 for (int e = 0; e < numProcs; ++e) { | 514 for (int e = 0; e < numProcs; ++e) { |
504 SkDELETE(fProcs[e]); | 515 SkDELETE(fProcs[e]); |
505 } | 516 } |
506 } | 517 } |
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