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

Issue 582963002: Solo gp (Closed) Base URL: https://skia.googlesource.com/skia.git@no_peb
Patch Set: rebase Created 6 years, 3 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 #ifndef GrMatrixConvolutionEffect_DEFINED 8 #ifndef GrMatrixConvolutionEffect_DEFINED
9 #define GrMatrixConvolutionEffect_DEFINED 9 #define GrMatrixConvolutionEffect_DEFINED
10 10
11 #include "GrSingleTextureEffect.h" 11 #include "GrSingleTextureEffect.h"
12 #include "GrTextureDomain.h" 12 #include "GrTextureDomain.h"
13 13
14 // A little bit less than the minimum # uniforms required by DX9SM2 (32). 14 // A little bit less than the minimum # uniforms required by DX9SM2 (32).
15 // Allows for a 5x5 kernel (or 25x1, for that matter). 15 // Allows for a 5x5 kernel (or 25x1, for that matter).
16 #define MAX_KERNEL_SIZE 25 16 #define MAX_KERNEL_SIZE 25
17 17
18 class GrGLMatrixConvolutionEffect; 18 class GrGLMatrixConvolutionEffect;
19 19
20 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { 20 class GrMatrixConvolutionEffect : public GrSingleTextureEffect {
21 public: 21 public:
22 static GrEffect* Create(GrTexture* texture, 22 static GrFragmentProcessor* Create(GrTexture* texture,
23 const SkIRect& bounds, 23 const SkIRect& bounds,
24 const SkISize& kernelSize, 24 const SkISize& kernelSize,
25 const SkScalar* kernel, 25 const SkScalar* kernel,
26 SkScalar gain, 26 SkScalar gain,
27 SkScalar bias, 27 SkScalar bias,
28 const SkIPoint& kernelOffset, 28 const SkIPoint& kernelOffset,
29 GrTextureDomain::Mode tileMode, 29 GrTextureDomain::Mode tileMode,
30 bool convolveAlpha) { 30 bool convolveAlpha) {
31 return SkNEW_ARGS(GrMatrixConvolutionEffect, (texture, 31 return SkNEW_ARGS(GrMatrixConvolutionEffect, (texture,
32 bounds, 32 bounds,
33 kernelSize, 33 kernelSize,
34 kernel, 34 kernel,
35 gain, 35 gain,
36 bias, 36 bias,
37 kernelOffset, 37 kernelOffset,
38 tileMode, 38 tileMode,
39 convolveAlpha)); 39 convolveAlpha));
40 } 40 }
41 41
42 static GrEffect* CreateGaussian(GrTexture* texture, 42 static GrFragmentProcessor* CreateGaussian(GrTexture* texture,
43 const SkIRect& bounds, 43 const SkIRect& bounds,
44 const SkISize& kernelSize, 44 const SkISize& kernelSize,
45 SkScalar gain, 45 SkScalar gain,
46 SkScalar bias, 46 SkScalar bias,
47 const SkIPoint& kernelOffset, 47 const SkIPoint& kernelOffset,
48 GrTextureDomain::Mode tileMode, 48 GrTextureDomain::Mode tileMode,
49 bool convolveAlpha, 49 bool convolveAlpha,
50 SkScalar sigmaX, 50 SkScalar sigmaX,
51 SkScalar sigmaY); 51 SkScalar sigmaY);
52 52
53 virtual ~GrMatrixConvolutionEffect(); 53 virtual ~GrMatrixConvolutionEffect();
54 54
55 virtual void getConstantColorComponents(GrColor* color, 55 virtual void getConstantColorComponents(GrColor* color,
56 uint32_t* validFlags) const SK_OVERR IDE { 56 uint32_t* validFlags) const SK_OVERR IDE {
57 // TODO: Try to do better? 57 // TODO: Try to do better?
58 *validFlags = 0; 58 *validFlags = 0;
59 } 59 }
60 60
61 static const char* Name() { return "MatrixConvolution"; } 61 static const char* Name() { return "MatrixConvolution"; }
62 const SkIRect& bounds() const { return fBounds; } 62 const SkIRect& bounds() const { return fBounds; }
63 const SkISize& kernelSize() const { return fKernelSize; } 63 const SkISize& kernelSize() const { return fKernelSize; }
64 const float* kernelOffset() const { return fKernelOffset; } 64 const float* kernelOffset() const { return fKernelOffset; }
65 const float* kernel() const { return fKernel; } 65 const float* kernel() const { return fKernel; }
66 float gain() const { return fGain; } 66 float gain() const { return fGain; }
67 float bias() const { return fBias; } 67 float bias() const { return fBias; }
68 bool convolveAlpha() const { return fConvolveAlpha; } 68 bool convolveAlpha() const { return fConvolveAlpha; }
69 const GrTextureDomain& domain() const { return fDomain; } 69 const GrTextureDomain& domain() const { return fDomain; }
70 70
71 typedef GrGLMatrixConvolutionEffect GLEffect; 71 typedef GrGLMatrixConvolutionEffect GLProcessor;
72 72
73 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 73 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR IDE;
74 74
75 private: 75 private:
76 GrMatrixConvolutionEffect(GrTexture*, 76 GrMatrixConvolutionEffect(GrTexture*,
77 const SkIRect& bounds, 77 const SkIRect& bounds,
78 const SkISize& kernelSize, 78 const SkISize& kernelSize,
79 const SkScalar* kernel, 79 const SkScalar* kernel,
80 SkScalar gain, 80 SkScalar gain,
81 SkScalar bias, 81 SkScalar bias,
82 const SkIPoint& kernelOffset, 82 const SkIPoint& kernelOffset,
83 GrTextureDomain::Mode tileMode, 83 GrTextureDomain::Mode tileMode,
84 bool convolveAlpha); 84 bool convolveAlpha);
85 85
86 virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE; 86 virtual bool onIsEqual(const GrProcessor&) const SK_OVERRIDE;
87 87
88 SkIRect fBounds; 88 SkIRect fBounds;
89 SkISize fKernelSize; 89 SkISize fKernelSize;
90 float fKernel[MAX_KERNEL_SIZE]; 90 float fKernel[MAX_KERNEL_SIZE];
91 float fGain; 91 float fGain;
92 float fBias; 92 float fBias;
93 float fKernelOffset[2]; 93 float fKernelOffset[2];
94 bool fConvolveAlpha; 94 bool fConvolveAlpha;
95 GrTextureDomain fDomain; 95 GrTextureDomain fDomain;
96 96
97 GR_DECLARE_EFFECT_TEST; 97 GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
98 98
99 typedef GrSingleTextureEffect INHERITED; 99 typedef GrSingleTextureEffect INHERITED;
100 }; 100 };
101 101
102 #endif 102 #endif
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