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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 "GrInvariantOutput.h" |
13 #include "GrTextureDomain.h" | 13 #include "GrTextureDomain.h" |
14 | 14 |
15 // 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). |
16 // Allows for a 5x5 kernel (or 25x1, for that matter). | 16 // Allows for a 5x5 kernel (or 25x1, for that matter). |
17 #define MAX_KERNEL_SIZE 25 | 17 #define MAX_KERNEL_SIZE 25 |
18 | 18 |
19 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { | 19 class GrMatrixConvolutionEffect : public GrSingleTextureEffect { |
20 public: | 20 public: |
21 static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager, | 21 static GrFragmentProcessor* Create(GrTexture* texture, |
22 GrTexture* texture, | |
23 const SkIRect& bounds, | 22 const SkIRect& bounds, |
24 const SkISize& kernelSize, | 23 const SkISize& kernelSize, |
25 const SkScalar* kernel, | 24 const SkScalar* kernel, |
26 SkScalar gain, | 25 SkScalar gain, |
27 SkScalar bias, | 26 SkScalar bias, |
28 const SkIPoint& kernelOffset, | 27 const SkIPoint& kernelOffset, |
29 GrTextureDomain::Mode tileMode, | 28 GrTextureDomain::Mode tileMode, |
30 bool convolveAlpha) { | 29 bool convolveAlpha) { |
31 return new GrMatrixConvolutionEffect(procDataManager, texture, bounds, k
ernelSize, kernel, | 30 return new GrMatrixConvolutionEffect(texture, bounds, kernelSize, kernel
, gain, bias, |
32 gain, bias, kernelOffset, tileMode,
convolveAlpha); | 31 kernelOffset, tileMode, convolveAlp
ha); |
33 } | 32 } |
34 | 33 |
35 static GrFragmentProcessor* CreateGaussian(GrProcessorDataManager*, | 34 static GrFragmentProcessor* CreateGaussian(GrTexture* texture, |
36 GrTexture* texture, | |
37 const SkIRect& bounds, | 35 const SkIRect& bounds, |
38 const SkISize& kernelSize, | 36 const SkISize& kernelSize, |
39 SkScalar gain, | 37 SkScalar gain, |
40 SkScalar bias, | 38 SkScalar bias, |
41 const SkIPoint& kernelOffset, | 39 const SkIPoint& kernelOffset, |
42 GrTextureDomain::Mode tileMode, | 40 GrTextureDomain::Mode tileMode, |
43 bool convolveAlpha, | 41 bool convolveAlpha, |
44 SkScalar sigmaX, | 42 SkScalar sigmaX, |
45 SkScalar sigmaY); | 43 SkScalar sigmaY); |
46 | 44 |
47 virtual ~GrMatrixConvolutionEffect(); | 45 virtual ~GrMatrixConvolutionEffect(); |
48 | 46 |
49 const SkIRect& bounds() const { return fBounds; } | 47 const SkIRect& bounds() const { return fBounds; } |
50 const SkISize& kernelSize() const { return fKernelSize; } | 48 const SkISize& kernelSize() const { return fKernelSize; } |
51 const float* kernelOffset() const { return fKernelOffset; } | 49 const float* kernelOffset() const { return fKernelOffset; } |
52 const float* kernel() const { return fKernel; } | 50 const float* kernel() const { return fKernel; } |
53 float gain() const { return fGain; } | 51 float gain() const { return fGain; } |
54 float bias() const { return fBias; } | 52 float bias() const { return fBias; } |
55 bool convolveAlpha() const { return fConvolveAlpha; } | 53 bool convolveAlpha() const { return fConvolveAlpha; } |
56 const GrTextureDomain& domain() const { return fDomain; } | 54 const GrTextureDomain& domain() const { return fDomain; } |
57 | 55 |
58 const char* name() const override { return "MatrixConvolution"; } | 56 const char* name() const override { return "MatrixConvolution"; } |
59 | 57 |
60 private: | 58 private: |
61 GrMatrixConvolutionEffect(GrProcessorDataManager*, | 59 GrMatrixConvolutionEffect(GrTexture*, |
62 GrTexture*, | |
63 const SkIRect& bounds, | 60 const SkIRect& bounds, |
64 const SkISize& kernelSize, | 61 const SkISize& kernelSize, |
65 const SkScalar* kernel, | 62 const SkScalar* kernel, |
66 SkScalar gain, | 63 SkScalar gain, |
67 SkScalar bias, | 64 SkScalar bias, |
68 const SkIPoint& kernelOffset, | 65 const SkIPoint& kernelOffset, |
69 GrTextureDomain::Mode tileMode, | 66 GrTextureDomain::Mode tileMode, |
70 bool convolveAlpha); | 67 bool convolveAlpha); |
71 | 68 |
72 GrGLFragmentProcessor* onCreateGLInstance() const override; | 69 GrGLFragmentProcessor* onCreateGLInstance() const override; |
(...skipping 15 matching lines...) Expand all Loading... |
88 float fKernelOffset[2]; | 85 float fKernelOffset[2]; |
89 bool fConvolveAlpha; | 86 bool fConvolveAlpha; |
90 GrTextureDomain fDomain; | 87 GrTextureDomain fDomain; |
91 | 88 |
92 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 89 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
93 | 90 |
94 typedef GrSingleTextureEffect INHERITED; | 91 typedef GrSingleTextureEffect INHERITED; |
95 }; | 92 }; |
96 | 93 |
97 #endif | 94 #endif |
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