| OLD | NEW |
| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 #include "GrCircleBlurFragmentProcessor.h" | 9 #include "GrCircleBlurFragmentProcessor.h" |
| 10 | 10 |
| 11 #if SK_SUPPORT_GPU | 11 #if SK_SUPPORT_GPU |
| 12 | 12 |
| 13 #include "GrContext.h" | 13 #include "GrContext.h" |
| 14 #include "GrTextureProvider.h" | 14 #include "GrTextureProvider.h" |
| 15 | 15 |
| 16 #include "gl/GrGLFragmentProcessor.h" | 16 #include "gl/GrGLFragmentProcessor.h" |
| 17 #include "gl/builders/GrGLProgramBuilder.h" | 17 #include "gl/builders/GrGLProgramBuilder.h" |
| 18 #include "glsl/GrGLSLProgramDataManager.h" |
| 18 | 19 |
| 19 class GrGLCircleBlurFragmentProcessor : public GrGLFragmentProcessor { | 20 class GrGLCircleBlurFragmentProcessor : public GrGLFragmentProcessor { |
| 20 public: | 21 public: |
| 21 GrGLCircleBlurFragmentProcessor(const GrProcessor&) {} | 22 GrGLCircleBlurFragmentProcessor(const GrProcessor&) {} |
| 22 void emitCode(EmitArgs&) override; | 23 void emitCode(EmitArgs&) override; |
| 23 | 24 |
| 24 protected: | 25 protected: |
| 25 void onSetData(const GrGLProgramDataManager&, const GrProcessor&) override; | 26 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override
; |
| 26 | 27 |
| 27 private: | 28 private: |
| 28 GrGLProgramDataManager::UniformHandle fDataUniform; | 29 GrGLSLProgramDataManager::UniformHandle fDataUniform; |
| 29 | 30 |
| 30 typedef GrGLFragmentProcessor INHERITED; | 31 typedef GrGLFragmentProcessor INHERITED; |
| 31 }; | 32 }; |
| 32 | 33 |
| 33 void GrGLCircleBlurFragmentProcessor::emitCode(EmitArgs& args) { | 34 void GrGLCircleBlurFragmentProcessor::emitCode(EmitArgs& args) { |
| 34 | 35 |
| 35 const char *dataName; | 36 const char *dataName; |
| 36 | 37 |
| 37 // The data is formatted as: | 38 // The data is formatted as: |
| 38 // x,y - the center of the circle | 39 // x,y - the center of the circle |
| (...skipping 17 matching lines...) Expand all Loading... |
| 56 fsBuilder->codeAppendf("vec2 vec = %s.xy - %s.xy;", fragmentPos, dataName); | 57 fsBuilder->codeAppendf("vec2 vec = %s.xy - %s.xy;", fragmentPos, dataName); |
| 57 fsBuilder->codeAppendf("float dist = (length(vec) - %s.z + 0.5) / %s.w;", da
taName, dataName); | 58 fsBuilder->codeAppendf("float dist = (length(vec) - %s.z + 0.5) / %s.w;", da
taName, dataName); |
| 58 | 59 |
| 59 fsBuilder->codeAppendf("float intensity = "); | 60 fsBuilder->codeAppendf("float intensity = "); |
| 60 fsBuilder->appendTextureLookup(args.fSamplers[0], "vec2(dist, 0.5)"); | 61 fsBuilder->appendTextureLookup(args.fSamplers[0], "vec2(dist, 0.5)"); |
| 61 fsBuilder->codeAppend(".a;"); | 62 fsBuilder->codeAppend(".a;"); |
| 62 | 63 |
| 63 fsBuilder->codeAppendf("%s = src * intensity;\n", args.fOutputColor ); | 64 fsBuilder->codeAppendf("%s = src * intensity;\n", args.fOutputColor ); |
| 64 } | 65 } |
| 65 | 66 |
| 66 void GrGLCircleBlurFragmentProcessor::onSetData(const GrGLProgramDataManager& pd
man, | 67 void GrGLCircleBlurFragmentProcessor::onSetData(const GrGLSLProgramDataManager&
pdman, |
| 67 const GrProcessor& proc) { | 68 const GrProcessor& proc) { |
| 68 const GrCircleBlurFragmentProcessor& cbfp = proc.cast<GrCircleBlurFragmentPr
ocessor>(); | 69 const GrCircleBlurFragmentProcessor& cbfp = proc.cast<GrCircleBlurFragmentPr
ocessor>(); |
| 69 const SkRect& circle = cbfp.circle(); | 70 const SkRect& circle = cbfp.circle(); |
| 70 | 71 |
| 71 // The data is formatted as: | 72 // The data is formatted as: |
| 72 // x,y - the center of the circle | 73 // x,y - the center of the circle |
| 73 // z - the distance at which the intensity starts falling off (e.g., the
start of the table) | 74 // z - the distance at which the intensity starts falling off (e.g., the
start of the table) |
| 74 // w - the size of the profile texture | 75 // w - the size of the profile texture |
| 75 pdman.set4f(fDataUniform, circle.centerX(), circle.centerY(), cbfp.offset(), | 76 pdman.set4f(fDataUniform, circle.centerX(), circle.centerY(), cbfp.offset(), |
| 76 SkIntToScalar(cbfp.profileSize())); | 77 SkIntToScalar(cbfp.profileSize())); |
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| 250 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrCircleBlurFragmentProcessor); | 251 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrCircleBlurFragmentProcessor); |
| 251 | 252 |
| 252 const GrFragmentProcessor* GrCircleBlurFragmentProcessor::TestCreate(GrProcessor
TestData* d) { | 253 const GrFragmentProcessor* GrCircleBlurFragmentProcessor::TestCreate(GrProcessor
TestData* d) { |
| 253 SkScalar wh = d->fRandom->nextRangeScalar(100.f, 1000.f); | 254 SkScalar wh = d->fRandom->nextRangeScalar(100.f, 1000.f); |
| 254 SkScalar sigma = d->fRandom->nextRangeF(1.f,10.f); | 255 SkScalar sigma = d->fRandom->nextRangeF(1.f,10.f); |
| 255 SkRect circle = SkRect::MakeWH(wh, wh); | 256 SkRect circle = SkRect::MakeWH(wh, wh); |
| 256 return GrCircleBlurFragmentProcessor::Create(d->fContext->textureProvider(),
circle, sigma); | 257 return GrCircleBlurFragmentProcessor::Create(d->fContext->textureProvider(),
circle, sigma); |
| 257 } | 258 } |
| 258 | 259 |
| 259 #endif | 260 #endif |
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