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Side by Side Diff: src/gpu/effects/GrConvolutionEffect.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 2012 Google Inc. 2 * Copyright 2012 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 "GrConvolutionEffect.h" 8 #include "GrConvolutionEffect.h"
9 #include "gl/GrGLFragmentProcessor.h" 9 #include "gl/GrGLFragmentProcessor.h"
10 #include "gl/GrGLTexture.h" 10 #include "gl/GrGLTexture.h"
11 #include "gl/builders/GrGLProgramBuilder.h" 11 #include "glsl/GrGLSLFragmentShaderBuilder.h"
12 #include "glsl/GrGLSLProgramBuilder.h"
12 #include "glsl/GrGLSLProgramDataManager.h" 13 #include "glsl/GrGLSLProgramDataManager.h"
13 14
14 // For brevity 15 // For brevity
15 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; 16 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
16 17
17 class GrGLConvolutionEffect : public GrGLFragmentProcessor { 18 class GrGLConvolutionEffect : public GrGLFragmentProcessor {
18 public: 19 public:
19 GrGLConvolutionEffect(const GrProcessor&); 20 GrGLConvolutionEffect(const GrProcessor&);
20 21
21 virtual void emitCode(EmitArgs&) override; 22 virtual void emitCode(EmitArgs&) override;
(...skipping 19 matching lines...) Expand all
41 }; 42 };
42 43
43 GrGLConvolutionEffect::GrGLConvolutionEffect(const GrProcessor& processor) { 44 GrGLConvolutionEffect::GrGLConvolutionEffect(const GrProcessor& processor) {
44 const GrConvolutionEffect& c = processor.cast<GrConvolutionEffect>(); 45 const GrConvolutionEffect& c = processor.cast<GrConvolutionEffect>();
45 fRadius = c.radius(); 46 fRadius = c.radius();
46 fUseBounds = c.useBounds(); 47 fUseBounds = c.useBounds();
47 fDirection = c.direction(); 48 fDirection = c.direction();
48 } 49 }
49 50
50 void GrGLConvolutionEffect::emitCode(EmitArgs& args) { 51 void GrGLConvolutionEffect::emitCode(EmitArgs& args) {
51 fImageIncrementUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment _Visibility, 52 fImageIncrementUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragme nt_Visibility,
52 kVec2f_GrSLType, kDefault_GrSLPreci sion, 53 kVec2f_GrSLType, kDefault_GrSLPreci sion,
53 "ImageIncrement"); 54 "ImageIncrement");
54 if (this->useBounds()) { 55 if (this->useBounds()) {
55 fBoundsUni = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Vis ibility, 56 fBoundsUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_V isibility,
56 kVec2f_GrSLType, kDefault_GrSLPrecision , 57 kVec2f_GrSLType, kDefault_GrSLPrecision ,
57 "Bounds"); 58 "Bounds");
58 } 59 }
59 fKernelUni = args.fBuilder->addUniformArray(GrGLProgramBuilder::kFragment_Vi sibility, 60 fKernelUni = args.fBuilder->addUniformArray(GrGLSLProgramBuilder::kFragment_ Visibility,
60 kFloat_GrSLType, kDefault_GrSLPrecisio n, 61 kFloat_GrSLType, kDefault_GrSLPrecisio n,
61 "Kernel", this->width()); 62 "Kernel", this->width());
62 63
63 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 64 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
64 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0); 65 SkString coords2D = fsBuilder->ensureFSCoords2D(args.fCoords, 0);
65 66
66 fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", args.fOutputColor); 67 fsBuilder->codeAppendf("\t\t%s = vec4(0, 0, 0, 0);\n", args.fOutputColor);
67 68
68 int width = this->width(); 69 int width = this->width();
69 const GrGLSLShaderVar& kernel = args.fBuilder->getUniformVariable(fKernelUni ); 70 const GrGLSLShaderVar& kernel = args.fBuilder->getUniformVariable(fKernelUni );
70 const char* imgInc = args.fBuilder->getUniformCStr(fImageIncrementUni); 71 const char* imgInc = args.fBuilder->getUniformCStr(fImageIncrementUni);
71 72
72 fsBuilder->codeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str( ), fRadius, imgInc); 73 fsBuilder->codeAppendf("\t\tvec2 coord = %s - %d.0 * %s;\n", coords2D.c_str( ), fRadius, imgInc);
73 74
(...skipping 157 matching lines...) Expand 10 before | Expand all | Expand 10 after
231 } 232 }
232 233
233 bool useBounds = d->fRandom->nextBool(); 234 bool useBounds = d->fRandom->nextBool();
234 return GrConvolutionEffect::Create(d->fTextures[texIdx], 235 return GrConvolutionEffect::Create(d->fTextures[texIdx],
235 dir, 236 dir,
236 radius, 237 radius,
237 kernel, 238 kernel,
238 useBounds, 239 useBounds,
239 bounds); 240 bounds);
240 } 241 }
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