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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 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 "GrAlphaThresholdFragmentProcessor.h" | 8 #include "GrAlphaThresholdFragmentProcessor.h" |
9 | 9 |
10 #if SK_SUPPORT_GPU | 10 #if SK_SUPPORT_GPU |
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92 void GrGLAlphaThresholdFragmentProcessor::emitCode(EmitArgs& args) { | 92 void GrGLAlphaThresholdFragmentProcessor::emitCode(EmitArgs& args) { |
93 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; | 93 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
94 fInnerThresholdVar = uniformHandler->addUniform(kFragment_GrShaderFlag, | 94 fInnerThresholdVar = uniformHandler->addUniform(kFragment_GrShaderFlag, |
95 kFloat_GrSLType, kDefault_Gr
SLPrecision, | 95 kFloat_GrSLType, kDefault_Gr
SLPrecision, |
96 "inner_threshold"); | 96 "inner_threshold"); |
97 fOuterThresholdVar = uniformHandler->addUniform(kFragment_GrShaderFlag, | 97 fOuterThresholdVar = uniformHandler->addUniform(kFragment_GrShaderFlag, |
98 kFloat_GrSLType, kDefault_Gr
SLPrecision, | 98 kFloat_GrSLType, kDefault_Gr
SLPrecision, |
99 "outer_threshold"); | 99 "outer_threshold"); |
100 | 100 |
101 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; | 101 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
102 SkString coords2D = fragBuilder->ensureFSCoords2D(args.fCoords, 0); | 102 SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]); |
103 SkString maskCoords2D = fragBuilder->ensureFSCoords2D(args.fCoords, 1); | 103 SkString maskCoords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[
1]); |
104 | 104 |
105 fragBuilder->codeAppendf("vec2 coord = %s;", coords2D.c_str()); | 105 fragBuilder->codeAppendf("vec2 coord = %s;", coords2D.c_str()); |
106 fragBuilder->codeAppendf("vec2 mask_coord = %s;", maskCoords2D.c_str()); | 106 fragBuilder->codeAppendf("vec2 mask_coord = %s;", maskCoords2D.c_str()); |
107 fragBuilder->codeAppend("vec4 input_color = "); | 107 fragBuilder->codeAppend("vec4 input_color = "); |
108 fragBuilder->appendTextureLookup(args.fTexSamplers[0], "coord"); | 108 fragBuilder->appendTextureLookup(args.fTexSamplers[0], "coord"); |
109 fragBuilder->codeAppend(";"); | 109 fragBuilder->codeAppend(";"); |
110 fragBuilder->codeAppend("vec4 mask_color = "); | 110 fragBuilder->codeAppend("vec4 mask_color = "); |
111 fragBuilder->appendTextureLookup(args.fTexSamplers[1], "mask_coord"); | 111 fragBuilder->appendTextureLookup(args.fTexSamplers[1], "mask_coord"); |
112 fragBuilder->codeAppend(";"); | 112 fragBuilder->codeAppend(";"); |
113 | 113 |
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167 void GrAlphaThresholdFragmentProcessor::onGetGLSLProcessorKey(const GrGLSLCaps&
caps, | 167 void GrAlphaThresholdFragmentProcessor::onGetGLSLProcessorKey(const GrGLSLCaps&
caps, |
168 GrProcessorKeyBuil
der* b) const { | 168 GrProcessorKeyBuil
der* b) const { |
169 GrGLAlphaThresholdFragmentProcessor::GenKey(*this, caps, b); | 169 GrGLAlphaThresholdFragmentProcessor::GenKey(*this, caps, b); |
170 } | 170 } |
171 | 171 |
172 GrGLSLFragmentProcessor* GrAlphaThresholdFragmentProcessor::onCreateGLSLInstance
() const { | 172 GrGLSLFragmentProcessor* GrAlphaThresholdFragmentProcessor::onCreateGLSLInstance
() const { |
173 return new GrGLAlphaThresholdFragmentProcessor; | 173 return new GrGLAlphaThresholdFragmentProcessor; |
174 } | 174 } |
175 | 175 |
176 #endif | 176 #endif |
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