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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 "GrInvariantOutput.h" |
12 #include "GrTextureDomain.h" | 13 #include "GrTextureDomain.h" |
13 | 14 |
14 // A little bit less than the minimum # uniforms required by DX9SM2 (32). | 15 // A little bit less than the minimum # uniforms required by DX9SM2 (32). |
15 // Allows for a 5x5 kernel (or 25x1, for that matter). | 16 // Allows for a 5x5 kernel (or 25x1, for that matter). |
16 #define MAX_KERNEL_SIZE 25 | 17 #define MAX_KERNEL_SIZE 25 |
17 | 18 |
18 class GrGLMatrixConvolutionEffect; | 19 class GrGLMatrixConvolutionEffect; |
19 | 20 |
20 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { | 21 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { |
21 public: | 22 public: |
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72 const SkISize& kernelSize, | 73 const SkISize& kernelSize, |
73 const SkScalar* kernel, | 74 const SkScalar* kernel, |
74 SkScalar gain, | 75 SkScalar gain, |
75 SkScalar bias, | 76 SkScalar bias, |
76 const SkIPoint& kernelOffset, | 77 const SkIPoint& kernelOffset, |
77 GrTextureDomain::Mode tileMode, | 78 GrTextureDomain::Mode tileMode, |
78 bool convolveAlpha); | 79 bool convolveAlpha); |
79 | 80 |
80 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; | 81 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
81 | 82 |
82 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { | 83 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE { |
83 // TODO: Try to do better? | 84 // TODO: Try to do better? |
84 inout->mulByUnknownColor(); | 85 inout->mulByUnknownColor(); |
85 } | 86 } |
86 | 87 |
87 SkIRect fBounds; | 88 SkIRect fBounds; |
88 SkISize fKernelSize; | 89 SkISize fKernelSize; |
89 float fKernel[MAX_KERNEL_SIZE]; | 90 float fKernel[MAX_KERNEL_SIZE]; |
90 float fGain; | 91 float fGain; |
91 float fBias; | 92 float fBias; |
92 float fKernelOffset[2]; | 93 float fKernelOffset[2]; |
93 bool fConvolveAlpha; | 94 bool fConvolveAlpha; |
94 GrTextureDomain fDomain; | 95 GrTextureDomain fDomain; |
95 | 96 |
96 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 97 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
97 | 98 |
98 typedef GrSingleTextureEffect INHERITED; | 99 typedef GrSingleTextureEffect INHERITED; |
99 }; | 100 }; |
100 | 101 |
101 #endif | 102 #endif |
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