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| 1 /* | 1 /* |
| 2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "effects/GrCustomXfermode.h" | 8 #include "effects/GrCustomXfermode.h" |
| 9 | 9 |
| 10 #include "GrCoordTransform.h" | 10 #include "GrCoordTransform.h" |
| 11 #include "GrContext.h" | 11 #include "GrContext.h" |
| 12 #include "GrFragmentProcessor.h" | 12 #include "GrFragmentProcessor.h" |
| 13 #include "GrInvariantOutput.h" | 13 #include "GrInvariantOutput.h" |
| 14 #include "GrProcessor.h" | 14 #include "GrProcessor.h" |
| 15 #include "GrTexture.h" | 15 #include "GrTexture.h" |
| 16 #include "GrTextureAccess.h" | 16 #include "GrTextureAccess.h" |
| 17 #include "SkXfermode.h" | 17 #include "SkXfermode.h" |
| 18 #include "gl/GrGLCaps.h" | 18 #include "gl/GrGLCaps.h" |
| 19 #include "gl/GrGLGpu.h" | 19 #include "gl/GrGLGpu.h" |
| 20 #include "gl/GrGLSLBlend.h" | 20 #include "gl/GrGLSLBlend.h" |
| 21 #include "gl/GrGLFragmentProcessor.h" | 21 #include "gl/GrGLFragmentProcessor.h" |
| 22 #include "gl/GrGLProgramDataManager.h" | 22 #include "gl/GrGLProgramDataManager.h" |
| 23 #include "gl/builders/GrGLProgramBuilder.h" | 23 #include "gl/builders/GrGLProgramBuilder.h" |
| 24 #include "glsl/GrGLSLCaps.h" | 24 #include "glsl/GrGLSLCaps.h" |
| 25 #include "glsl/GrGLSLProgramDataManager.h" |
| 25 | 26 |
| 26 bool GrCustomXfermode::IsSupportedMode(SkXfermode::Mode mode) { | 27 bool GrCustomXfermode::IsSupportedMode(SkXfermode::Mode mode) { |
| 27 return mode > SkXfermode::kLastCoeffMode && mode <= SkXfermode::kLastMode; | 28 return mode > SkXfermode::kLastCoeffMode && mode <= SkXfermode::kLastMode; |
| 28 } | 29 } |
| 29 | 30 |
| 30 /////////////////////////////////////////////////////////////////////////////// | 31 /////////////////////////////////////////////////////////////////////////////// |
| 31 // Static helpers | 32 // Static helpers |
| 32 /////////////////////////////////////////////////////////////////////////////// | 33 /////////////////////////////////////////////////////////////////////////////// |
| 33 | 34 |
| 34 static GrBlendEquation hw_blend_equation(SkXfermode::Mode mode) { | 35 static GrBlendEquation hw_blend_equation(SkXfermode::Mode mode) { |
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| 161 | 162 |
| 162 void emitBlendCodeForDstRead(GrGLXPBuilder* pb, const char* srcColor, const
char* dstColor, | 163 void emitBlendCodeForDstRead(GrGLXPBuilder* pb, const char* srcColor, const
char* dstColor, |
| 163 const char* outColor, const GrXferProcessor& pr
oc) override { | 164 const char* outColor, const GrXferProcessor& pr
oc) override { |
| 164 const CustomXP& xp = proc.cast<CustomXP>(); | 165 const CustomXP& xp = proc.cast<CustomXP>(); |
| 165 SkASSERT(!xp.hasHWBlendEquation()); | 166 SkASSERT(!xp.hasHWBlendEquation()); |
| 166 | 167 |
| 167 GrGLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); | 168 GrGLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); |
| 168 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.mode
()); | 169 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.mode
()); |
| 169 } | 170 } |
| 170 | 171 |
| 171 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {} | 172 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
| 172 | 173 |
| 173 typedef GrGLXferProcessor INHERITED; | 174 typedef GrGLXferProcessor INHERITED; |
| 174 }; | 175 }; |
| 175 | 176 |
| 176 /////////////////////////////////////////////////////////////////////////////// | 177 /////////////////////////////////////////////////////////////////////////////// |
| 177 | 178 |
| 178 void CustomXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder
* b) const { | 179 void CustomXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder
* b) const { |
| 179 GLCustomXP::GenKey(*this, caps, b); | 180 GLCustomXP::GenKey(*this, caps, b); |
| 180 } | 181 } |
| 181 | 182 |
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| 392 | 393 |
| 393 /////////////////////////////////////////////////////////////////////////////// | 394 /////////////////////////////////////////////////////////////////////////////// |
| 394 | 395 |
| 395 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { | 396 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { |
| 396 if (!GrCustomXfermode::IsSupportedMode(mode)) { | 397 if (!GrCustomXfermode::IsSupportedMode(mode)) { |
| 397 return nullptr; | 398 return nullptr; |
| 398 } else { | 399 } else { |
| 399 return new CustomXPFactory(mode); | 400 return new CustomXPFactory(mode); |
| 400 } | 401 } |
| 401 } | 402 } |
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