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Side by Side Diff: src/effects/GrCircleBlurFragmentProcessor.cpp

Issue 1490283004: Create GLSLUniformHandler class for gpu backend (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: clean up public api of uniformhandler Created 5 years ago
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1 1
2 /* 2 /*
3 * Copyright 2015 Google Inc. 3 * Copyright 2015 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #include "GrCircleBlurFragmentProcessor.h" 9 #include "GrCircleBlurFragmentProcessor.h"
10 10
11 #if SK_SUPPORT_GPU 11 #if SK_SUPPORT_GPU
12 12
13 #include "GrContext.h" 13 #include "GrContext.h"
14 #include "GrInvariantOutput.h"
14 #include "GrTextureProvider.h" 15 #include "GrTextureProvider.h"
15 16
16 #include "glsl/GrGLSLFragmentProcessor.h" 17 #include "glsl/GrGLSLFragmentProcessor.h"
17 #include "glsl/GrGLSLFragmentShaderBuilder.h" 18 #include "glsl/GrGLSLFragmentShaderBuilder.h"
18 #include "glsl/GrGLSLProgramBuilder.h"
19 #include "glsl/GrGLSLProgramDataManager.h" 19 #include "glsl/GrGLSLProgramDataManager.h"
20 #include "glsl/GrGLSLUniformHandler.h"
20 21
21 class GrGLCircleBlurFragmentProcessor : public GrGLSLFragmentProcessor { 22 class GrGLCircleBlurFragmentProcessor : public GrGLSLFragmentProcessor {
22 public: 23 public:
23 GrGLCircleBlurFragmentProcessor(const GrProcessor&) {} 24 GrGLCircleBlurFragmentProcessor(const GrProcessor&) {}
24 void emitCode(EmitArgs&) override; 25 void emitCode(EmitArgs&) override;
25 26
26 protected: 27 protected:
27 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override ; 28 void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override ;
28 29
29 private: 30 private:
30 GrGLSLProgramDataManager::UniformHandle fDataUniform; 31 GrGLSLProgramDataManager::UniformHandle fDataUniform;
31 32
32 typedef GrGLSLFragmentProcessor INHERITED; 33 typedef GrGLSLFragmentProcessor INHERITED;
33 }; 34 };
34 35
35 void GrGLCircleBlurFragmentProcessor::emitCode(EmitArgs& args) { 36 void GrGLCircleBlurFragmentProcessor::emitCode(EmitArgs& args) {
36 37
37 const char *dataName; 38 const char *dataName;
38 39
39 // The data is formatted as: 40 // The data is formatted as:
40 // x,y - the center of the circle 41 // x,y - the center of the circle
41 // z - the distance at which the intensity starts falling off (e.g., the start of the table) 42 // z - the distance at which the intensity starts falling off (e.g., the start of the table)
42 // w - the size of the profile texture 43 // w - the size of the profile texture
43 fDataUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Vis ibility, 44 fDataUniform = args.fUniformHandler->addUniform(GrGLSLUniformHandler::kFragm ent_Visibility,
44 kVec4f_GrSLType, 45 kVec4f_GrSLType,
45 kDefault_GrSLPrecision, 46 kDefault_GrSLPrecision,
46 "data", 47 "data",
47 &dataName); 48 &dataName);
48 49
49 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; 50 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
50 const char *fragmentPos = fragBuilder->fragmentPosition(); 51 const char *fragmentPos = fragBuilder->fragmentPosition();
51 52
52 if (args.fInputColor) { 53 if (args.fInputColor) {
53 fragBuilder->codeAppendf("vec4 src=%s;", args.fInputColor); 54 fragBuilder->codeAppendf("vec4 src=%s;", args.fInputColor);
54 } else { 55 } else {
55 fragBuilder->codeAppendf("vec4 src=vec4(1);"); 56 fragBuilder->codeAppendf("vec4 src=vec4(1);");
56 } 57 }
57 58
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252 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrCircleBlurFragmentProcessor); 253 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrCircleBlurFragmentProcessor);
253 254
254 const GrFragmentProcessor* GrCircleBlurFragmentProcessor::TestCreate(GrProcessor TestData* d) { 255 const GrFragmentProcessor* GrCircleBlurFragmentProcessor::TestCreate(GrProcessor TestData* d) {
255 SkScalar wh = d->fRandom->nextRangeScalar(100.f, 1000.f); 256 SkScalar wh = d->fRandom->nextRangeScalar(100.f, 1000.f);
256 SkScalar sigma = d->fRandom->nextRangeF(1.f,10.f); 257 SkScalar sigma = d->fRandom->nextRangeF(1.f,10.f);
257 SkRect circle = SkRect::MakeWH(wh, wh); 258 SkRect circle = SkRect::MakeWH(wh, wh);
258 return GrCircleBlurFragmentProcessor::Create(d->fContext->textureProvider(), circle, sigma); 259 return GrCircleBlurFragmentProcessor::Create(d->fContext->textureProvider(), circle, sigma);
259 } 260 }
260 261
261 #endif 262 #endif
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