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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 "glsl/GrGLSLFragmentProcessor.h" |
| 15 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 15 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 16 #include "glsl/GrGLSLProgramBuilder.h" | 16 #include "glsl/GrGLSLProgramBuilder.h" |
| 17 | 17 |
| 18 class GrGLConfigConversionEffect : public GrGLFragmentProcessor { | 18 class GrGLConfigConversionEffect : public GrGLSLFragmentProcessor { |
| 19 public: | 19 public: |
| 20 GrGLConfigConversionEffect(const GrProcessor& processor) { | 20 GrGLConfigConversionEffect(const GrProcessor& processor) { |
| 21 const GrConfigConversionEffect& configConversionEffect = | 21 const GrConfigConversionEffect& configConversionEffect = |
| 22 processor.cast<GrConfigConversionEffect>(); | 22 processor.cast<GrConfigConversionEffect>(); |
| 23 fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue(); | 23 fSwapRedAndBlue = configConversionEffect.swapsRedAndBlue(); |
| 24 fPMConversion = configConversionEffect.pmConversion(); | 24 fPMConversion = configConversionEffect.pmConversion(); |
| 25 } | 25 } |
| 26 | 26 |
| 27 virtual void emitCode(EmitArgs& args) override { | 27 virtual void emitCode(EmitArgs& args) override { |
| 28 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. | 28 // Using highp for GLES here in order to avoid some precision issues on
specific GPUs. |
| (...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 84 GrProcessorKeyBuilder* b) { | 84 GrProcessorKeyBuilder* b) { |
| 85 const GrConfigConversionEffect& conv = processor.cast<GrConfigConversion
Effect>(); | 85 const GrConfigConversionEffect& conv = processor.cast<GrConfigConversion
Effect>(); |
| 86 uint32_t key = (conv.swapsRedAndBlue() ? 0 : 1) | (conv.pmConversion() <
< 1); | 86 uint32_t key = (conv.swapsRedAndBlue() ? 0 : 1) | (conv.pmConversion() <
< 1); |
| 87 b->add32(key); | 87 b->add32(key); |
| 88 } | 88 } |
| 89 | 89 |
| 90 private: | 90 private: |
| 91 bool fSwapRedAndBlue; | 91 bool fSwapRedAndBlue; |
| 92 GrConfigConversionEffect::PMConversion fPMConversion; | 92 GrConfigConversionEffect::PMConversion fPMConversion; |
| 93 | 93 |
| 94 typedef GrGLFragmentProcessor INHERITED; | 94 typedef GrGLSLFragmentProcessor INHERITED; |
| 95 | 95 |
| 96 }; | 96 }; |
| 97 | 97 |
| 98 /////////////////////////////////////////////////////////////////////////////// | 98 /////////////////////////////////////////////////////////////////////////////// |
| 99 | 99 |
| 100 GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture, | 100 GrConfigConversionEffect::GrConfigConversionEffect(GrTexture* texture, |
| 101 bool swapRedAndBlue, | 101 bool swapRedAndBlue, |
| 102 PMConversion pmConversion, | 102 PMConversion pmConversion, |
| 103 const SkMatrix& matrix) | 103 const SkMatrix& matrix) |
| 104 : INHERITED(texture, matrix) | 104 : INHERITED(texture, matrix) |
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| 140 swapRB, pmConv, GrTest::TestMatrix(d->fR
andom)); | 140 swapRB, pmConv, GrTest::TestMatrix(d->fR
andom)); |
| 141 } | 141 } |
| 142 | 142 |
| 143 /////////////////////////////////////////////////////////////////////////////// | 143 /////////////////////////////////////////////////////////////////////////////// |
| 144 | 144 |
| 145 void GrConfigConversionEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, | 145 void GrConfigConversionEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, |
| 146 GrProcessorKeyBuilder* b) con
st { | 146 GrProcessorKeyBuilder* b) con
st { |
| 147 GrGLConfigConversionEffect::GenKey(*this, caps, b); | 147 GrGLConfigConversionEffect::GenKey(*this, caps, b); |
| 148 } | 148 } |
| 149 | 149 |
| 150 GrGLFragmentProcessor* GrConfigConversionEffect::onCreateGLInstance() const { | 150 GrGLSLFragmentProcessor* GrConfigConversionEffect::onCreateGLInstance() const { |
| 151 return new GrGLConfigConversionEffect(*this); | 151 return new GrGLConfigConversionEffect(*this); |
| 152 } | 152 } |
| 153 | 153 |
| 154 | 154 |
| 155 | 155 |
| 156 void GrConfigConversionEffect::TestForPreservingPMConversions(GrContext* context
, | 156 void GrConfigConversionEffect::TestForPreservingPMConversions(GrContext* context
, |
| 157 PMConversion* pmTo
UPMRule, | 157 PMConversion* pmTo
UPMRule, |
| 158 PMConversion* upmT
oPMRule) { | 158 PMConversion* upmT
oPMRule) { |
| 159 *pmToUPMRule = kNone_PMConversion; | 159 *pmToUPMRule = kNone_PMConversion; |
| 160 *upmToPMRule = kNone_PMConversion; | 160 *upmToPMRule = kNone_PMConversion; |
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| 298 } else { | 298 } else { |
| 299 if (kRGBA_8888_GrPixelConfig != texture->config() && | 299 if (kRGBA_8888_GrPixelConfig != texture->config() && |
| 300 kBGRA_8888_GrPixelConfig != texture->config() && | 300 kBGRA_8888_GrPixelConfig != texture->config() && |
| 301 kNone_PMConversion != pmConversion) { | 301 kNone_PMConversion != pmConversion) { |
| 302 // The PM conversions assume colors are 0..255 | 302 // The PM conversions assume colors are 0..255 |
| 303 return nullptr; | 303 return nullptr; |
| 304 } | 304 } |
| 305 return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversio
n, matrix); | 305 return new GrConfigConversionEffect(texture, swapRedAndBlue, pmConversio
n, matrix); |
| 306 } | 306 } |
| 307 } | 307 } |
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