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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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/GrDisableColorXP.h" | 8 #include "effects/GrDisableColorXP.h" |
9 #include "GrProcessor.h" | 9 #include "GrProcessor.h" |
10 #include "gl/GrGLXferProcessor.h" | 10 #include "gl/GrGLXferProcessor.h" |
11 #include "gl/builders/GrGLFragmentShaderBuilder.h" | 11 #include "gl/builders/GrGLFragmentShaderBuilder.h" |
12 #include "gl/builders/GrGLProgramBuilder.h" | 12 #include "gl/builders/GrGLProgramBuilder.h" |
13 | 13 |
14 /** | 14 /** |
15 * This xfer processor disables color writing. Thus color and coverage and ignor
ed and no blending | 15 * This xfer processor disables color writing. Thus color and coverage and ignor
ed and no blending |
16 * occurs. This XP is usful for things like stenciling. | 16 * occurs. This XP is usful for things like stenciling. |
17 */ | 17 */ |
18 class DisableColorXP : public GrXferProcessor { | 18 class DisableColorXP : public GrXferProcessor { |
19 public: | 19 public: |
20 static GrXferProcessor* Create() { | 20 static GrXferProcessor* Create() { return new DisableColorXP; } |
21 return SkNEW(DisableColorXP); | |
22 } | |
23 | 21 |
24 ~DisableColorXP() override {}; | 22 ~DisableColorXP() override {}; |
25 | 23 |
26 const char* name() const override { return "Disable Color"; } | 24 const char* name() const override { return "Disable Color"; } |
27 | 25 |
28 GrGLXferProcessor* createGLInstance() const override; | 26 GrGLXferProcessor* createGLInstance() const override; |
29 | 27 |
30 private: | 28 private: |
31 DisableColorXP(); | 29 DisableColorXP(); |
32 | 30 |
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76 /////////////////////////////////////////////////////////////////////////////// | 74 /////////////////////////////////////////////////////////////////////////////// |
77 | 75 |
78 DisableColorXP::DisableColorXP() { | 76 DisableColorXP::DisableColorXP() { |
79 this->initClassID<DisableColorXP>(); | 77 this->initClassID<DisableColorXP>(); |
80 } | 78 } |
81 | 79 |
82 void DisableColorXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyB
uilder* b) const { | 80 void DisableColorXP::onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyB
uilder* b) const { |
83 GLDisableColorXP::GenKey(*this, caps, b); | 81 GLDisableColorXP::GenKey(*this, caps, b); |
84 } | 82 } |
85 | 83 |
86 GrGLXferProcessor* DisableColorXP::createGLInstance() const { | 84 GrGLXferProcessor* DisableColorXP::createGLInstance() const { return new GLDisab
leColorXP(*this); } |
87 return SkNEW_ARGS(GLDisableColorXP, (*this)); | |
88 } | |
89 | 85 |
90 void DisableColorXP::onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const
{ | 86 void DisableColorXP::onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const
{ |
91 blendInfo->fWriteColor = false; | 87 blendInfo->fWriteColor = false; |
92 } | 88 } |
93 | 89 |
94 /////////////////////////////////////////////////////////////////////////////// | 90 /////////////////////////////////////////////////////////////////////////////// |
95 | 91 |
96 GrDisableColorXPFactory::GrDisableColorXPFactory() { | 92 GrDisableColorXPFactory::GrDisableColorXPFactory() { |
97 this->initClassID<GrDisableColorXPFactory>(); | 93 this->initClassID<GrDisableColorXPFactory>(); |
98 } | 94 } |
99 | 95 |
100 GrXferProcessor* | 96 GrXferProcessor* |
101 GrDisableColorXPFactory::onCreateXferProcessor(const GrCaps& caps, | 97 GrDisableColorXPFactory::onCreateXferProcessor(const GrCaps& caps, |
102 const GrProcOptInfo& colorPOI, | 98 const GrProcOptInfo& colorPOI, |
103 const GrProcOptInfo& covPOI, | 99 const GrProcOptInfo& covPOI, |
104 bool hasMixedSamples, | 100 bool hasMixedSamples, |
105 const DstTexture* dst) const { | 101 const DstTexture* dst) const { |
106 return DisableColorXP::Create(); | 102 return DisableColorXP::Create(); |
107 } | 103 } |
108 | 104 |
109 GR_DEFINE_XP_FACTORY_TEST(GrDisableColorXPFactory); | 105 GR_DEFINE_XP_FACTORY_TEST(GrDisableColorXPFactory); |
110 | 106 |
111 GrXPFactory* GrDisableColorXPFactory::TestCreate(GrProcessorTestData*) { | 107 GrXPFactory* GrDisableColorXPFactory::TestCreate(GrProcessorTestData*) { |
112 return GrDisableColorXPFactory::Create(); | 108 return GrDisableColorXPFactory::Create(); |
113 } | 109 } |
114 | 110 |
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