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Side by Side Diff: src/gpu/effects/GrDisableColorXP.cpp

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month ago
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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 "glsl/GrGLSLFragmentShaderBuilder.h"
12 #include "gl/builders/GrGLProgramBuilder.h" 12 #include "glsl/GrGLSLProgramBuilder.h"
13 #include "glsl/GrGLSLProgramDataManager.h" 13 #include "glsl/GrGLSLProgramDataManager.h"
14 14
15 /** 15 /**
16 * This xfer processor disables color writing. Thus color and coverage and ignor ed and no blending 16 * This xfer processor disables color writing. Thus color and coverage and ignor ed and no blending
17 * occurs. This XP is usful for things like stenciling. 17 * occurs. This XP is usful for things like stenciling.
18 */ 18 */
19 class DisableColorXP : public GrXferProcessor { 19 class DisableColorXP : public GrXferProcessor {
20 public: 20 public:
21 static GrXferProcessor* Create() { return new DisableColorXP; } 21 static GrXferProcessor* Create() { return new DisableColorXP; }
22 22
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56 56
57 ~GLDisableColorXP() override {} 57 ~GLDisableColorXP() override {}
58 58
59 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil der*) {} 59 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil der*) {}
60 60
61 private: 61 private:
62 void emitOutputsForBlendState(const EmitArgs& args) override { 62 void emitOutputsForBlendState(const EmitArgs& args) override {
63 // This emit code should be empty. However, on the nexus 6 there is a dr iver bug where if 63 // This emit code should be empty. However, on the nexus 6 there is a dr iver bug where if
64 // you do not give gl_FragColor a value, the gl context is lost and we e nd up drawing 64 // you do not give gl_FragColor a value, the gl context is lost and we e nd up drawing
65 // nothing. So this fix just sets the gl_FragColor arbitrarily to 0. 65 // nothing. So this fix just sets the gl_FragColor arbitrarily to 0.
66 GrGLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); 66 GrGLSLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder( );
67 fsBuilder->codeAppendf("%s = vec4(0);", args.fOutputPrimary); 67 fsBuilder->codeAppendf("%s = vec4(0);", args.fOutputPrimary);
68 } 68 }
69 69
70 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over ride {} 70 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over ride {}
71 71
72 typedef GrGLXferProcessor INHERITED; 72 typedef GrGLXferProcessor INHERITED;
73 }; 73 };
74 74
75 /////////////////////////////////////////////////////////////////////////////// 75 ///////////////////////////////////////////////////////////////////////////////
76 76
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102 const DstTexture* dst) const { 102 const DstTexture* dst) const {
103 return DisableColorXP::Create(); 103 return DisableColorXP::Create();
104 } 104 }
105 105
106 GR_DEFINE_XP_FACTORY_TEST(GrDisableColorXPFactory); 106 GR_DEFINE_XP_FACTORY_TEST(GrDisableColorXPFactory);
107 107
108 const GrXPFactory* GrDisableColorXPFactory::TestCreate(GrProcessorTestData*) { 108 const GrXPFactory* GrDisableColorXPFactory::TestCreate(GrProcessorTestData*) {
109 return GrDisableColorXPFactory::Create(); 109 return GrDisableColorXPFactory::Create();
110 } 110 }
111 111
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