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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/GrGLXferProcessor.h" | |
19 #include "glsl/GrGLSLBlend.h" | 18 #include "glsl/GrGLSLBlend.h" |
20 #include "glsl/GrGLSLCaps.h" | 19 #include "glsl/GrGLSLCaps.h" |
21 #include "glsl/GrGLSLFragmentProcessor.h" | 20 #include "glsl/GrGLSLFragmentProcessor.h" |
22 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 21 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
23 #include "glsl/GrGLSLProgramBuilder.h" | 22 #include "glsl/GrGLSLProgramBuilder.h" |
24 #include "glsl/GrGLSLProgramDataManager.h" | 23 #include "glsl/GrGLSLProgramDataManager.h" |
| 24 #include "glsl/GrGLSLXferProcessor.h" |
25 | 25 |
26 bool GrCustomXfermode::IsSupportedMode(SkXfermode::Mode mode) { | 26 bool GrCustomXfermode::IsSupportedMode(SkXfermode::Mode mode) { |
27 return mode > SkXfermode::kLastCoeffMode && mode <= SkXfermode::kLastMode; | 27 return mode > SkXfermode::kLastCoeffMode && mode <= SkXfermode::kLastMode; |
28 } | 28 } |
29 | 29 |
30 /////////////////////////////////////////////////////////////////////////////// | 30 /////////////////////////////////////////////////////////////////////////////// |
31 // Static helpers | 31 // Static helpers |
32 /////////////////////////////////////////////////////////////////////////////// | 32 /////////////////////////////////////////////////////////////////////////////// |
33 | 33 |
34 static GrBlendEquation hw_blend_equation(SkXfermode::Mode mode) { | 34 static GrBlendEquation hw_blend_equation(SkXfermode::Mode mode) { |
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81 | 81 |
82 CustomXP(const DstTexture* dstTexture, bool hasMixedSamples, SkXfermode::Mod
e mode) | 82 CustomXP(const DstTexture* dstTexture, bool hasMixedSamples, SkXfermode::Mod
e mode) |
83 : INHERITED(dstTexture, true, hasMixedSamples), | 83 : INHERITED(dstTexture, true, hasMixedSamples), |
84 fMode(mode), | 84 fMode(mode), |
85 fHWBlendEquation(static_cast<GrBlendEquation>(-1)) { | 85 fHWBlendEquation(static_cast<GrBlendEquation>(-1)) { |
86 this->initClassID<CustomXP>(); | 86 this->initClassID<CustomXP>(); |
87 } | 87 } |
88 | 88 |
89 const char* name() const override { return "Custom Xfermode"; } | 89 const char* name() const override { return "Custom Xfermode"; } |
90 | 90 |
91 GrGLXferProcessor* createGLInstance() const override; | 91 GrGLSLXferProcessor* createGLInstance() const override; |
92 | 92 |
93 SkXfermode::Mode mode() const { return fMode; } | 93 SkXfermode::Mode mode() const { return fMode; } |
94 bool hasHWBlendEquation() const { return -1 != static_cast<int>(fHWBlendEqua
tion); } | 94 bool hasHWBlendEquation() const { return -1 != static_cast<int>(fHWBlendEqua
tion); } |
95 | 95 |
96 GrBlendEquation hwBlendEquation() const { | 96 GrBlendEquation hwBlendEquation() const { |
97 SkASSERT(this->hasHWBlendEquation()); | 97 SkASSERT(this->hasHWBlendEquation()); |
98 return fHWBlendEquation; | 98 return fHWBlendEquation; |
99 } | 99 } |
100 | 100 |
101 private: | 101 private: |
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114 bool onIsEqual(const GrXferProcessor& xpBase) const override; | 114 bool onIsEqual(const GrXferProcessor& xpBase) const override; |
115 | 115 |
116 const SkXfermode::Mode fMode; | 116 const SkXfermode::Mode fMode; |
117 const GrBlendEquation fHWBlendEquation; | 117 const GrBlendEquation fHWBlendEquation; |
118 | 118 |
119 typedef GrXferProcessor INHERITED; | 119 typedef GrXferProcessor INHERITED; |
120 }; | 120 }; |
121 | 121 |
122 /////////////////////////////////////////////////////////////////////////////// | 122 /////////////////////////////////////////////////////////////////////////////// |
123 | 123 |
124 class GLCustomXP : public GrGLXferProcessor { | 124 class GLCustomXP : public GrGLSLXferProcessor { |
125 public: | 125 public: |
126 GLCustomXP(const GrXferProcessor&) {} | 126 GLCustomXP(const GrXferProcessor&) {} |
127 ~GLCustomXP() override {} | 127 ~GLCustomXP() override {} |
128 | 128 |
129 static void GenKey(const GrXferProcessor& p, const GrGLSLCaps& caps, GrProce
ssorKeyBuilder* b) { | 129 static void GenKey(const GrXferProcessor& p, const GrGLSLCaps& caps, GrProce
ssorKeyBuilder* b) { |
130 const CustomXP& xp = p.cast<CustomXP>(); | 130 const CustomXP& xp = p.cast<CustomXP>(); |
131 uint32_t key = 0; | 131 uint32_t key = 0; |
132 if (xp.hasHWBlendEquation()) { | 132 if (xp.hasHWBlendEquation()) { |
133 SkASSERT(caps.advBlendEqInteraction() > 0); // 0 will mean !xp.hasH
WBlendEquation(). | 133 SkASSERT(caps.advBlendEqInteraction() > 0); // 0 will mean !xp.hasH
WBlendEquation(). |
134 key |= caps.advBlendEqInteraction(); | 134 key |= caps.advBlendEqInteraction(); |
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163 const char* outColor, const GrXferProcessor& pr
oc) override { | 163 const char* outColor, const GrXferProcessor& pr
oc) override { |
164 const CustomXP& xp = proc.cast<CustomXP>(); | 164 const CustomXP& xp = proc.cast<CustomXP>(); |
165 SkASSERT(!xp.hasHWBlendEquation()); | 165 SkASSERT(!xp.hasHWBlendEquation()); |
166 | 166 |
167 GrGLSLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); | 167 GrGLSLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); |
168 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.mode
()); | 168 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.mode
()); |
169 } | 169 } |
170 | 170 |
171 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} | 171 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
172 | 172 |
173 typedef GrGLXferProcessor INHERITED; | 173 typedef GrGLSLXferProcessor INHERITED; |
174 }; | 174 }; |
175 | 175 |
176 /////////////////////////////////////////////////////////////////////////////// | 176 /////////////////////////////////////////////////////////////////////////////// |
177 | 177 |
178 void CustomXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder
* b) const { | 178 void CustomXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder
* b) const { |
179 GLCustomXP::GenKey(*this, caps, b); | 179 GLCustomXP::GenKey(*this, caps, b); |
180 } | 180 } |
181 | 181 |
182 GrGLXferProcessor* CustomXP::createGLInstance() const { | 182 GrGLSLXferProcessor* CustomXP::createGLInstance() const { |
183 SkASSERT(this->willReadDstColor() != this->hasHWBlendEquation()); | 183 SkASSERT(this->willReadDstColor() != this->hasHWBlendEquation()); |
184 return new GLCustomXP(*this); | 184 return new GLCustomXP(*this); |
185 } | 185 } |
186 | 186 |
187 bool CustomXP::onIsEqual(const GrXferProcessor& other) const { | 187 bool CustomXP::onIsEqual(const GrXferProcessor& other) const { |
188 const CustomXP& s = other.cast<CustomXP>(); | 188 const CustomXP& s = other.cast<CustomXP>(); |
189 return fMode == s.fMode && fHWBlendEquation == s.fHWBlendEquation; | 189 return fMode == s.fMode && fHWBlendEquation == s.fHWBlendEquation; |
190 } | 190 } |
191 | 191 |
192 GrXferProcessor::OptFlags CustomXP::onGetOptimizations(const GrProcOptInfo& colo
rPOI, | 192 GrXferProcessor::OptFlags CustomXP::onGetOptimizations(const GrProcOptInfo& colo
rPOI, |
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392 | 392 |
393 /////////////////////////////////////////////////////////////////////////////// | 393 /////////////////////////////////////////////////////////////////////////////// |
394 | 394 |
395 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { | 395 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { |
396 if (!GrCustomXfermode::IsSupportedMode(mode)) { | 396 if (!GrCustomXfermode::IsSupportedMode(mode)) { |
397 return nullptr; | 397 return nullptr; |
398 } else { | 398 } else { |
399 return new CustomXPFactory(mode); | 399 return new CustomXPFactory(mode); |
400 } | 400 } |
401 } | 401 } |
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