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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 "GrAutoLocaleSetter.h" | 10 #include "GrAutoLocaleSetter.h" |
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312 } | 312 } |
313 | 313 |
314 void GrGLProgramBuilder::verify(const GrXferProcessor& xp) { | 314 void GrGLProgramBuilder::verify(const GrXferProcessor& xp) { |
315 SkASSERT(fFS.hasReadDstColor() == xp.willReadDstColor()); | 315 SkASSERT(fFS.hasReadDstColor() == xp.willReadDstColor()); |
316 } | 316 } |
317 | 317 |
318 void GrGLProgramBuilder::verify(const GrFragmentProcessor& fp) { | 318 void GrGLProgramBuilder::verify(const GrFragmentProcessor& fp) { |
319 SkASSERT(fFS.hasReadFragmentPosition() == fp.willReadFragmentPosition()); | 319 SkASSERT(fFS.hasReadFragmentPosition() == fp.willReadFragmentPosition()); |
320 } | 320 } |
321 | 321 |
322 static GrSLType get_sampler_type(const GrTextureAccess& access) { | |
323 GrGLTexture* glTexture = static_cast<GrGLTexture*>(access.getTexture()); | |
324 if (glTexture->target() == GR_GL_TEXTURE_EXTERNAL) { | |
325 return kSamplerExternal_GrSLType; | |
326 } else { | |
327 SkASSERT(glTexture->target() == GR_GL_TEXTURE_2D); | |
328 return kSampler2D_GrSLType; | |
329 } | |
330 } | |
331 | |
332 template <class Proc> | 322 template <class Proc> |
333 void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor, | 323 void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor, |
334 GrGLSLTextureSampler::TextureSamplerArray*
outSamplers, | 324 GrGLSLTextureSampler::TextureSamplerArray*
outSamplers, |
335 GrGLInstalledProc<Proc>* ip) { | 325 GrGLInstalledProc<Proc>* ip) { |
336 SkDEBUGCODE(ip->fSamplersIdx = fSamplerUniforms.count();) | 326 SkDEBUGCODE(ip->fSamplersIdx = fSamplerUniforms.count();) |
337 int numTextures = processor.numTextures(); | 327 int numTextures = processor.numTextures(); |
338 UniformHandle* localSamplerUniforms = fSamplerUniforms.push_back_n(numTextur
es); | 328 UniformHandle* localSamplerUniforms = fSamplerUniforms.push_back_n(numTextur
es); |
339 SkString name; | 329 SkString name; |
340 for (int t = 0; t < numTextures; ++t) { | 330 for (int t = 0; t < numTextures; ++t) { |
341 name.printf("Sampler%d", t); | 331 name.printf("Sampler%d", t); |
342 GrSLType samplerType = get_sampler_type(processor.textureAccess(t)); | |
343 localSamplerUniforms[t] = this->addUniform(GrGLProgramBuilder::kFragment
_Visibility, | 332 localSamplerUniforms[t] = this->addUniform(GrGLProgramBuilder::kFragment
_Visibility, |
344 samplerType, kDefault_GrSLPre
cision, | 333 kSampler2D_GrSLType, kDefault
_GrSLPrecision, |
345 name.c_str()); | 334 name.c_str()); |
346 SkNEW_APPEND_TO_TARRAY(outSamplers, GrGLSLTextureSampler, | 335 SkNEW_APPEND_TO_TARRAY(outSamplers, GrGLSLTextureSampler, |
347 (localSamplerUniforms[t], processor.textureAccess
(t))); | 336 (localSamplerUniforms[t], processor.textureAccess
(t))); |
348 if (kSamplerExternal_GrSLType == samplerType) { | |
349 const char* externalFeatureString = this->glslCaps()->externalTextur
eExtensionString(); | |
350 // We shouldn't ever create a GrGLTexture that requires external sam
pler type | |
351 SkASSERT(externalFeatureString); | |
352 fFS.addFeature(1 << GrGLSLFragmentShaderBuilder::kExternalTexture_GL
SLPrivateFeature, | |
353 externalFeatureString); | |
354 } | |
355 } | 337 } |
356 } | 338 } |
357 | 339 |
358 bool GrGLProgramBuilder::compileAndAttachShaders(GrGLSLShaderBuilder& shader, | 340 bool GrGLProgramBuilder::compileAndAttachShaders(GrGLSLShaderBuilder& shader, |
359 GrGLuint programId, | 341 GrGLuint programId, |
360 GrGLenum type, | 342 GrGLenum type, |
361 SkTDArray<GrGLuint>* shaderIds)
{ | 343 SkTDArray<GrGLuint>* shaderIds)
{ |
362 GrGLGpu* gpu = this->gpu(); | 344 GrGLGpu* gpu = this->gpu(); |
363 GrGLuint shaderId = GrGLCompileAndAttachShader(gpu->glContext(), | 345 GrGLuint shaderId = GrGLCompileAndAttachShader(gpu->glContext(), |
364 programId, | 346 programId, |
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529 } | 511 } |
530 | 512 |
531 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 513 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
532 | 514 |
533 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { | 515 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { |
534 int numProcs = fProcs.count(); | 516 int numProcs = fProcs.count(); |
535 for (int i = 0; i < numProcs; ++i) { | 517 for (int i = 0; i < numProcs; ++i) { |
536 delete fProcs[i]; | 518 delete fProcs[i]; |
537 } | 519 } |
538 } | 520 } |
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