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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 GrConfigConversionEffect_DEFINED | 8 #ifndef GrConfigConversionEffect_DEFINED |
9 #define GrConfigConversionEffect_DEFINED | 9 #define GrConfigConversionEffect_DEFINED |
10 | 10 |
11 #include "GrSingleTextureEffect.h" | 11 #include "GrSingleTextureEffect.h" |
12 | 12 |
13 class GrFragmentStage; | 13 class GrFragmentStage; |
14 class GrGLConfigConversionEffect; | 14 class GrGLConfigConversionEffect; |
| 15 class GrInvariantOutput; |
15 | 16 |
16 /** | 17 /** |
17 * This class is used to perform config conversions. Clients may want to read/wr
ite data that is | 18 * This class is used to perform config conversions. Clients may want to read/wr
ite data that is |
18 * unpremultiplied. Also on some systems reading/writing BGRA or RGBA is faster.
In those cases we | 19 * unpremultiplied. Also on some systems reading/writing BGRA or RGBA is faster.
In those cases we |
19 * read/write using the faster path and perform an R/B swap in the shader if the
client data is in | 20 * read/write using the faster path and perform an R/B swap in the shader if the
client data is in |
20 * the slower config. | 21 * the slower config. |
21 */ | 22 */ |
22 class GrConfigConversionEffect : public GrSingleTextureEffect { | 23 class GrConfigConversionEffect : public GrSingleTextureEffect { |
23 public: | 24 public: |
24 /** | 25 /** |
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56 PMConversion* UPMToPMRule); | 57 PMConversion* UPMToPMRule); |
57 | 58 |
58 private: | 59 private: |
59 GrConfigConversionEffect(GrTexture*, | 60 GrConfigConversionEffect(GrTexture*, |
60 bool swapRedAndBlue, | 61 bool swapRedAndBlue, |
61 PMConversion pmConversion, | 62 PMConversion pmConversion, |
62 const SkMatrix& matrix); | 63 const SkMatrix& matrix); |
63 | 64 |
64 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; | 65 virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE; |
65 | 66 |
66 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE; | 67 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; |
67 | 68 |
68 bool fSwapRedAndBlue; | 69 bool fSwapRedAndBlue; |
69 PMConversion fPMConversion; | 70 PMConversion fPMConversion; |
70 | 71 |
71 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 72 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
72 | 73 |
73 typedef GrSingleTextureEffect INHERITED; | 74 typedef GrSingleTextureEffect INHERITED; |
74 }; | 75 }; |
75 | 76 |
76 #endif | 77 #endif |
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