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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 GrYUVEffect_DEFINED | 8 #ifndef GrYUVEffect_DEFINED |
9 #define GrYUVEffect_DEFINED | 9 #define GrYUVEffect_DEFINED |
10 | 10 |
11 #include "SkImageInfo.h" | 11 #include "SkImageInfo.h" |
12 | 12 |
13 class GrFragmentProcessor; | 13 class GrFragmentProcessor; |
14 class GrTexture; | 14 class GrTexture; |
15 | 15 |
16 namespace GrYUVEffect { | 16 namespace GrYUVEffect { |
17 /** | 17 /** |
18 * Creates an effect that performs color conversion from YUV to RGB. The inp
ut textures are | 18 * Creates an effect that performs color conversion from YUV to RGB. The inp
ut textures are |
19 * assumed to be kA8_GrPixelConfig. | 19 * assumed to be kA8_GrPixelConfig. |
20 */ | 20 */ |
21 const GrFragmentProcessor* CreateYUVToRGB(GrTexture* yTexture, GrTexture* uT
exture, | 21 sk_sp<GrFragmentProcessor> MakeYUVToRGB(GrTexture* yTexture, GrTexture* uTex
ture, |
22 GrTexture* vTexture, const SkISize
sizes[3], | 22 GrTexture* vTexture, const SkISize s
izes[3], |
23 SkYUVColorSpace colorSpace); | 23 SkYUVColorSpace colorSpace); |
24 | 24 |
25 /** | 25 /** |
26 * Creates a processor that performs color conversion from the passed in pro
cessor's RGB | 26 * Creates a processor that performs color conversion from the passed in pro
cessor's RGB |
27 * channels to Y, U ,and V channels. The output color is (y, u, v, a) where
a is the passed in | 27 * channels to Y, U ,and V channels. The output color is (y, u, v, a) where
a is the passed in |
28 * processor's alpha output. | 28 * processor's alpha output. |
29 */ | 29 */ |
30 const GrFragmentProcessor* CreateRGBToYUV(const GrFragmentProcessor*, | 30 sk_sp<GrFragmentProcessor> MakeRGBToYUV(sk_sp<GrFragmentProcessor>, |
31 SkYUVColorSpace colorSpace); | 31 SkYUVColorSpace colorSpace); |
32 | 32 |
33 /** | 33 /** |
34 * Creates a processor that performs color conversion from the passed in pro
cessor's RGB | 34 * Creates a processor that performs color conversion from the passed in pro
cessor's RGB |
35 * channels to U and V channels. The output color is (u, v, 0, a) where a is
the passed in | 35 * channels to U and V channels. The output color is (u, v, 0, a) where a is
the passed in |
36 * processor's alpha output. | 36 * processor's alpha output. |
37 */ | 37 */ |
38 const GrFragmentProcessor* CreateRGBToUV(const GrFragmentProcessor*, | 38 sk_sp<GrFragmentProcessor> MakeRGBToUV(sk_sp<GrFragmentProcessor>, |
39 SkYUVColorSpace colorSpace); | 39 SkYUVColorSpace colorSpace); |
40 /** | 40 /** |
41 * Creates a processor that performs color conversion from the passed in fra
gment processors's | 41 * Creates a processor that performs color conversion from the passed in fra
gment processors's |
42 * RGB channels to Y, U, or V (replicated across all four output color chann
els). The alpha | 42 * RGB channels to Y, U, or V (replicated across all four output color chann
els). The alpha |
43 * output of the passed in fragment processor is ignored. | 43 * output of the passed in fragment processor is ignored. |
44 */ | 44 */ |
45 const GrFragmentProcessor* CreateRGBToY(const GrFragmentProcessor*, SkYUVCol
orSpace colorSpace); | 45 sk_sp<GrFragmentProcessor> MakeRGBToY(sk_sp<GrFragmentProcessor>, SkYUVColor
Space colorSpace); |
46 const GrFragmentProcessor* CreateRGBToU(const GrFragmentProcessor*, SkYUVCol
orSpace colorSpace); | 46 sk_sp<GrFragmentProcessor> MakeRGBToU(sk_sp<GrFragmentProcessor>, SkYUVColor
Space colorSpace); |
47 const GrFragmentProcessor* CreateRGBToV(const GrFragmentProcessor*, SkYUVCol
orSpace colorSpace); | 47 sk_sp<GrFragmentProcessor> MakeRGBToV(sk_sp<GrFragmentProcessor>, SkYUVColor
Space colorSpace); |
48 }; | 48 }; |
49 | 49 |
50 #endif | 50 #endif |
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