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Side by Side Diff: src/gpu/effects/GrBicubicEffect.h

Issue 1266633003: Added registerChild; transforms, textures, glKey automatically handled. (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: refactored to onGetGLProcessorKey; removed emitSamplers specialized template; fixed nits Created 5 years, 4 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 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 #ifndef GrBicubicTextureEffect_DEFINED 8 #ifndef GrBicubicTextureEffect_DEFINED
9 #define GrBicubicTextureEffect_DEFINED 9 #define GrBicubicTextureEffect_DEFINED
10 10
11 #include "GrSingleTextureEffect.h" 11 #include "GrSingleTextureEffect.h"
12 #include "GrTextureDomain.h" 12 #include "GrTextureDomain.h"
13 #include "gl/GrGLFragmentProcessor.h" 13 #include "gl/GrGLFragmentProcessor.h"
14 14
15 class GrGLBicubicEffect; 15 class GrGLBicubicEffect;
16 class GrInvariantOutput; 16 class GrInvariantOutput;
17 17
18 class GrBicubicEffect : public GrSingleTextureEffect { 18 class GrBicubicEffect : public GrSingleTextureEffect {
19 public: 19 public:
20 enum { 20 enum {
21 kFilterTexelPad = 2, // Given a src rect in texels to be filtered, this number of 21 kFilterTexelPad = 2, // Given a src rect in texels to be filtered, this number of
22 // surrounding texels are needed by the kernel in x and y. 22 // surrounding texels are needed by the kernel in x and y.
23 }; 23 };
24 virtual ~GrBicubicEffect(); 24 virtual ~GrBicubicEffect();
25 25
26 const float* coefficients() const { return fCoefficients; } 26 const float* coefficients() const { return fCoefficients; }
27 27
28 const char* name() const override { return "Bicubic"; } 28 const char* name() const override { return "Bicubic"; }
29 29
30 void getGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const over ride;
31
32 GrGLFragmentProcessor* createGLInstance() const override; 30 GrGLFragmentProcessor* createGLInstance() const override;
33 31
34 const GrTextureDomain& domain() const { return fDomain; } 32 const GrTextureDomain& domain() const { return fDomain; }
35 33
36 /** 34 /**
37 * Create a simple filter effect with custom bicubic coefficients and option al domain. 35 * Create a simple filter effect with custom bicubic coefficients and option al domain.
38 */ 36 */
39 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, GrTexture* tex, 37 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, GrTexture* tex,
40 const SkScalar coefficients[16], 38 const SkScalar coefficients[16],
41 const SkRect* domain = NULL) { 39 const SkRect* domain = NULL) {
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after
87 * kNearest). 85 * kNearest).
88 */ 86 */
89 static bool ShouldUseBicubic(const SkMatrix& localCoordsToDevice, 87 static bool ShouldUseBicubic(const SkMatrix& localCoordsToDevice,
90 GrTextureParams::FilterMode* filterMode); 88 GrTextureParams::FilterMode* filterMode);
91 89
92 private: 90 private:
93 GrBicubicEffect(GrProcessorDataManager*, GrTexture*, const SkScalar coeffici ents[16], 91 GrBicubicEffect(GrProcessorDataManager*, GrTexture*, const SkScalar coeffici ents[16],
94 const SkMatrix &matrix, const SkShader::TileMode tileModes[2 ]); 92 const SkMatrix &matrix, const SkShader::TileMode tileModes[2 ]);
95 GrBicubicEffect(GrProcessorDataManager*, GrTexture*, const SkScalar coeffici ents[16], 93 GrBicubicEffect(GrProcessorDataManager*, GrTexture*, const SkScalar coeffici ents[16],
96 const SkMatrix &matrix, const SkRect& domain); 94 const SkMatrix &matrix, const SkRect& domain);
95
96 void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const ov erride;
97
97 bool onIsEqual(const GrFragmentProcessor&) const override; 98 bool onIsEqual(const GrFragmentProcessor&) const override;
98 99
99 void onComputeInvariantOutput(GrInvariantOutput* inout) const override; 100 void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
100 101
101 float fCoefficients[16]; 102 float fCoefficients[16];
102 GrTextureDomain fDomain; 103 GrTextureDomain fDomain;
103 104
104 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; 105 GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
105 106
106 static const SkScalar gMitchellCoefficients[16]; 107 static const SkScalar gMitchellCoefficients[16];
107 108
108 typedef GrSingleTextureEffect INHERITED; 109 typedef GrSingleTextureEffect INHERITED;
109 }; 110 };
110 111
111 #endif 112 #endif
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