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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 #include "GrMatrixConvolutionEffect.h" | 7 #include "GrMatrixConvolutionEffect.h" |
8 #include "glsl/GrGLSLFragmentProcessor.h" | 8 #include "glsl/GrGLSLFragmentProcessor.h" |
9 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 9 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
10 #include "glsl/GrGLSLProgramDataManager.h" | 10 #include "glsl/GrGLSLProgramDataManager.h" |
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58 fBiasUni = uniformHandler->addUniform(kFragment_GrShaderFlag, | 58 fBiasUni = uniformHandler->addUniform(kFragment_GrShaderFlag, |
59 kFloat_GrSLType, kDefault_GrSLPrecisio
n, "Bias"); | 59 kFloat_GrSLType, kDefault_GrSLPrecisio
n, "Bias"); |
60 | 60 |
61 const char* kernelOffset = uniformHandler->getUniformCStr(fKernelOffsetUni); | 61 const char* kernelOffset = uniformHandler->getUniformCStr(fKernelOffsetUni); |
62 const char* imgInc = uniformHandler->getUniformCStr(fImageIncrementUni); | 62 const char* imgInc = uniformHandler->getUniformCStr(fImageIncrementUni); |
63 const char* kernel = uniformHandler->getUniformCStr(fKernelUni); | 63 const char* kernel = uniformHandler->getUniformCStr(fKernelUni); |
64 const char* gain = uniformHandler->getUniformCStr(fGainUni); | 64 const char* gain = uniformHandler->getUniformCStr(fGainUni); |
65 const char* bias = uniformHandler->getUniformCStr(fBiasUni); | 65 const char* bias = uniformHandler->getUniformCStr(fBiasUni); |
66 | 66 |
67 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; | 67 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
68 SkString coords2D = fragBuilder->ensureFSCoords2D(args.fCoords, 0); | 68 SkString coords2D = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]); |
69 fragBuilder->codeAppend("vec4 sum = vec4(0, 0, 0, 0);"); | 69 fragBuilder->codeAppend("vec4 sum = vec4(0, 0, 0, 0);"); |
70 fragBuilder->codeAppendf("vec2 coord = %s - %s * %s;", coords2D.c_str(), ker
nelOffset, imgInc); | 70 fragBuilder->codeAppendf("vec2 coord = %s - %s * %s;", coords2D.c_str(), ker
nelOffset, imgInc); |
71 fragBuilder->codeAppend("vec4 c;"); | 71 fragBuilder->codeAppend("vec4 c;"); |
72 | 72 |
73 const char* kVecSuffix[4] = { ".x", ".y", ".z", ".w" }; | 73 const char* kVecSuffix[4] = { ".x", ".y", ".z", ".w" }; |
74 for (int y = 0; y < kHeight; y++) { | 74 for (int y = 0; y < kHeight; y++) { |
75 for (int x = 0; x < kWidth; x++) { | 75 for (int x = 0; x < kWidth; x++) { |
76 GrGLSLShaderBuilder::ShaderBlock block(fragBuilder); | 76 GrGLSLShaderBuilder::ShaderBlock block(fragBuilder); |
77 int offset = y*kWidth + x; | 77 int offset = y*kWidth + x; |
78 | 78 |
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259 return GrMatrixConvolutionEffect::Make(d->fTextures[texIdx], | 259 return GrMatrixConvolutionEffect::Make(d->fTextures[texIdx], |
260 bounds, | 260 bounds, |
261 kernelSize, | 261 kernelSize, |
262 kernel.get(), | 262 kernel.get(), |
263 gain, | 263 gain, |
264 bias, | 264 bias, |
265 kernelOffset, | 265 kernelOffset, |
266 tileMode, | 266 tileMode, |
267 convolveAlpha); | 267 convolveAlpha); |
268 } | 268 } |
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