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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "GrConfigConversionEffect.h" | 8 #include "GrConfigConversionEffect.h" |
| 9 #include "GrContext.h" | 9 #include "GrContext.h" |
| 10 #include "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
| 11 #include "GrInvariantOutput.h" | 11 #include "GrInvariantOutput.h" |
| 12 #include "GrSimpleTextureEffect.h" | 12 #include "GrSimpleTextureEffect.h" |
| 13 #include "SkMatrix.h" | 13 #include "SkMatrix.h" |
| 14 #include "gl/GrGLFragmentProcessor.h" | 14 #include "gl/GrGLFragmentProcessor.h" |
| 15 #include "gl/builders/GrGLProgramBuilder.h" | 15 #include "gl/builders/GrGLProgramBuilder.h" |
| 16 | 16 |
| 17 class GrGLConfigConversionEffect : public GrGLFragmentProcessor { | 17 class GrGLConfigConversionEffect : public GrGLFragmentProcessor { |
| 18 public: | 18 public: |
| 19 GrGLConfigConversionEffect(const GrProcessor& processor) { | 19 GrGLConfigConversionEffect(const GrProcessor& processor) { |
| 20 const GrConfigConversionEffect& configConversionEffect = | 20 const GrConfigConversionEffect& configConversionEffect = |
| 21 processor.cast<GrConfigConversionEffect>(); | 21 processor.cast<GrConfigConversionEffect>(); |
| 22 fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue(); | 22 fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue(); |
| 23 fPMConversion = configConversionEffect.pmConversion(); | 23 fPMConversion = configConversionEffect.pmConversion(); |
| 24 } | 24 } |
| 25 | 25 |
| 26 virtual void emitCode(EmitArgs& args) override { | 26 virtual void emitCode(EmitArgs& args) override { |
| 27 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. | 27 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. |
| 28 GrGLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecision
); | 28 GrGLSLShaderVar tmpVar("tmpColor", kVec4f_GrSLType, 0, kHigh_GrSLPrecisi
on); |
| 29 SkString tmpDecl; | 29 SkString tmpDecl; |
| 30 tmpVar.appendDecl(args.fBuilder->glslCaps(), &tmpDecl); | 30 tmpVar.appendDecl(args.fBuilder->glslCaps(), &tmpDecl); |
| 31 | 31 |
| 32 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder
(); | 32 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder
(); |
| 33 | 33 |
| 34 fsBuilder->codeAppendf("%s;", tmpDecl.c_str()); | 34 fsBuilder->codeAppendf("%s;", tmpDecl.c_str()); |
| 35 | 35 |
| 36 fsBuilder->codeAppendf("%s = ", tmpVar.c_str()); | 36 fsBuilder->codeAppendf("%s = ", tmpVar.c_str()); |
| 37 fsBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_str(
), | 37 fsBuilder->appendTextureLookup(args.fSamplers[0], args.fCoords[0].c_str(
), |
| 38 args.fCoords[0].getType()); | 38 args.fCoords[0].getType()); |
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| 297 } else { | 297 } else { |
| 298 if (kRGBA_8888_GrPixelConfig != texture->config() && | 298 if (kRGBA_8888_GrPixelConfig != texture->config() && |
| 299 kBGRA_8888_GrPixelConfig != texture->config() && | 299 kBGRA_8888_GrPixelConfig != texture->config() && |
| 300 kNone_PMConversion != pmConversion) { | 300 kNone_PMConversion != pmConversion) { |
| 301 // The PM conversions assume colors are 0..255 | 301 // The PM conversions assume colors are 0..255 |
| 302 return nullptr; | 302 return nullptr; |
| 303 } | 303 } |
| 304 return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversio
n, matrix); | 304 return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversio
n, matrix); |
| 305 } | 305 } |
| 306 } | 306 } |
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