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

Issue 659803004: Some cleanup in processor header files. (Closed) Base URL: https://skia.googlesource.com/skia.git@ccmat
Patch Set: rebase Created 6 years, 2 months 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 "gl/builders/GrGLProgramBuilder.h" 8 #include "gl/builders/GrGLProgramBuilder.h"
9 #include "GrDitherEffect.h" 9 #include "GrDitherEffect.h"
10 10
11 #include "gl/GrGLProcessor.h" 11 #include "gl/GrGLProcessor.h"
12 #include "gl/GrGLSL.h" 12 #include "gl/GrGLSL.h"
13 #include "GrTBackendProcessorFactory.h" 13 #include "GrTBackendProcessorFactory.h"
14 14
15 #include "SkRect.h" 15 #include "SkRect.h"
16 16
17 ////////////////////////////////////////////////////////////////////////////// 17 //////////////////////////////////////////////////////////////////////////////
18 18
19 class GLDitherEffect; 19 class GLDitherEffect;
20 20
21 class DitherEffect : public GrFragmentProcessor { 21 class DitherEffect : public GrFragmentProcessor {
22 public: 22 public:
23 static GrFragmentProcessor* Create() { 23 static GrFragmentProcessor* Create() {
24 GR_CREATE_STATIC_FRAGMENT_PROCESSOR(gDitherEffect, DitherEffect, ()) 24 GR_CREATE_STATIC_PROCESSOR(gDitherEffect, DitherEffect, ())
25 return SkRef(gDitherEffect); 25 return SkRef(gDitherEffect);
26 } 26 }
27 27
28 virtual ~DitherEffect() {}; 28 virtual ~DitherEffect() {};
29 static const char* Name() { return "Dither"; } 29 static const char* Name() { return "Dither"; }
30 30
31 typedef GLDitherEffect GLProcessor; 31 typedef GLDitherEffect GLProcessor;
32 32
33 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR IDE { 33 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR IDE {
34 return GrTBackendFragmentProcessorFactory<DitherEffect>::getInstance(); 34 return GrTBackendFragmentProcessorFactory<DitherEffect>::getInstance();
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107 fsBuilder->codeAppendf("\t\tfloat r = " 107 fsBuilder->codeAppendf("\t\tfloat r = "
108 "fract(sin(dot(%s.xy ,vec2(12.9898,78.233))) * 43758. 5453);\n", 108 "fract(sin(dot(%s.xy ,vec2(12.9898,78.233))) * 43758. 5453);\n",
109 fsBuilder->fragmentPosition()); 109 fsBuilder->fragmentPosition());
110 fsBuilder->codeAppendf("\t\t%s = (1.0/255.0) * vec4(r, r, r, r) + %s;\n", 110 fsBuilder->codeAppendf("\t\t%s = (1.0/255.0) * vec4(r, r, r, r) + %s;\n",
111 outputColor, GrGLSLExpr4(inputColor).c_str()); 111 outputColor, GrGLSLExpr4(inputColor).c_str());
112 } 112 }
113 113
114 ////////////////////////////////////////////////////////////////////////////// 114 //////////////////////////////////////////////////////////////////////////////
115 115
116 GrFragmentProcessor* GrDitherEffect::Create() { return DitherEffect::Create(); } 116 GrFragmentProcessor* GrDitherEffect::Create() { return DitherEffect::Create(); }
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