OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrConvolutionEffect_DEFINED | 8 #ifndef GrConvolutionEffect_DEFINED |
9 #define GrConvolutionEffect_DEFINED | 9 #define GrConvolutionEffect_DEFINED |
10 | 10 |
11 #include "Gr1DKernelEffect.h" | 11 #include "Gr1DKernelEffect.h" |
12 #include "GrInvariantOutput.h" | 12 #include "GrInvariantOutput.h" |
13 | 13 |
14 /** | 14 /** |
15 * A convolution effect. The kernel is specified as an array of 2 * half-width | 15 * A convolution effect. The kernel is specified as an array of 2 * half-width |
16 * + 1 weights. Each texel is multiplied by it's weight and summed to determine | 16 * + 1 weights. Each texel is multiplied by it's weight and summed to determine |
17 * the output color. The output color is modulated by the input color. | 17 * the output color. The output color is modulated by the input color. |
18 */ | 18 */ |
19 class GrConvolutionEffect : public Gr1DKernelEffect { | 19 class GrConvolutionEffect : public Gr1DKernelEffect { |
20 | 20 |
21 public: | 21 public: |
22 | 22 |
23 /// Convolve with an arbitrary user-specified kernel | 23 /// Convolve with an arbitrary user-specified kernel |
24 static GrFragmentProcessor* Create(GrTexture* tex, | 24 static sk_sp<GrFragmentProcessor> Make(GrTexture* tex, |
25 Direction dir, | 25 Direction dir, |
26 int halfWidth, | 26 int halfWidth, |
27 const float* kernel, | 27 const float* kernel, |
28 bool useBounds, | 28 bool useBounds, |
29 float bounds[2]) { | 29 float bounds[2]) { |
30 return new GrConvolutionEffect(tex, dir, halfWidth, kernel, useBounds, b
ounds); | 30 return sk_sp<GrFragmentProcessor>( |
| 31 new GrConvolutionEffect(tex, dir, halfWidth, kernel, useBounds, boun
ds)); |
31 } | 32 } |
32 | 33 |
33 /// Convolve with a Gaussian kernel | 34 /// Convolve with a Gaussian kernel |
34 static GrFragmentProcessor* CreateGaussian(GrTexture* tex, | 35 static sk_sp<GrFragmentProcessor> MakeGaussian(GrTexture* tex, |
35 Direction dir, | 36 Direction dir, |
36 int halfWidth, | 37 int halfWidth, |
37 float gaussianSigma, | 38 float gaussianSigma, |
38 bool useBounds, | 39 bool useBounds, |
39 float bounds[2]) { | 40 float bounds[2]) { |
40 return new GrConvolutionEffect(tex, dir, halfWidth, gaussianSigma, useBo
unds, bounds); | 41 return sk_sp<GrFragmentProcessor>( |
| 42 new GrConvolutionEffect(tex, dir, halfWidth, gaussianSigma, useBound
s, bounds)); |
41 } | 43 } |
42 | 44 |
43 virtual ~GrConvolutionEffect(); | 45 virtual ~GrConvolutionEffect(); |
44 | 46 |
45 const float* kernel() const { return fKernel; } | 47 const float* kernel() const { return fKernel; } |
46 | 48 |
47 const float* bounds() const { return fBounds; } | 49 const float* bounds() const { return fBounds; } |
48 bool useBounds() const { return fUseBounds; } | 50 bool useBounds() const { return fUseBounds; } |
49 | 51 |
50 const char* name() const override { return "Convolution"; } | 52 const char* name() const override { return "Convolution"; } |
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
91 // kernel values. | 93 // kernel values. |
92 inout->mulByUnknownFourComponents(); | 94 inout->mulByUnknownFourComponents(); |
93 } | 95 } |
94 | 96 |
95 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 97 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
96 | 98 |
97 typedef Gr1DKernelEffect INHERITED; | 99 typedef Gr1DKernelEffect INHERITED; |
98 }; | 100 }; |
99 | 101 |
100 #endif | 102 #endif |
OLD | NEW |