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Side by Side Diff: src/gpu/effects/GrConfigConversionEffect.h

Issue 1266633003: Added registerChild; transforms, textures, glKey automatically handled. (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: refactored to onGetGLProcessorKey; removed emitSamplers specialized template; fixed nits Created 5 years, 4 months ago
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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
(...skipping 20 matching lines...) Expand all
31 kDivByAlpha_RoundDown_PMConversion, 31 kDivByAlpha_RoundDown_PMConversion,
32 32
33 kPMConversionCnt 33 kPMConversionCnt
34 }; 34 };
35 35
36 static const GrFragmentProcessor* Create(GrProcessorDataManager*, GrTexture* , 36 static const GrFragmentProcessor* Create(GrProcessorDataManager*, GrTexture* ,
37 bool swapRedAndBlue, PMConversion, const SkMatrix&); 37 bool swapRedAndBlue, PMConversion, const SkMatrix&);
38 38
39 const char* name() const override { return "Config Conversion"; } 39 const char* name() const override { return "Config Conversion"; }
40 40
41 void getGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const over ride;
42
43 GrGLFragmentProcessor* createGLInstance() const override; 41 GrGLFragmentProcessor* createGLInstance() const override;
44 42
45 bool swapsRedAndBlue() const { return fSwapRedAndBlue; } 43 bool swapsRedAndBlue() const { return fSwapRedAndBlue; }
46 PMConversion pmConversion() const { return fPMConversion; } 44 PMConversion pmConversion() const { return fPMConversion; }
47 45
48 // This function determines whether it is possible to choose PM->UPM and UPM ->PM conversions 46 // This function determines whether it is possible to choose PM->UPM and UPM ->PM conversions
49 // for which in any PM->UPM->PM->UPM sequence the two UPM values are the sam e. This means that 47 // for which in any PM->UPM->PM->UPM sequence the two UPM values are the sam e. This means that
50 // if pixels are read back to a UPM buffer, written back to PM to the GPU, a nd read back again 48 // if pixels are read back to a UPM buffer, written back to PM to the GPU, a nd read back again
51 // both reads will produce the same result. This test is quite expensive and should not be run 49 // both reads will produce the same result. This test is quite expensive and should not be run
52 // multiple times for a given context. 50 // multiple times for a given context.
53 static void TestForPreservingPMConversions(GrContext* context, 51 static void TestForPreservingPMConversions(GrContext* context,
54 PMConversion* PMToUPMRule, 52 PMConversion* PMToUPMRule,
55 PMConversion* UPMToPMRule); 53 PMConversion* UPMToPMRule);
56 54
57 private: 55 private:
58 GrConfigConversionEffect(GrProcessorDataManager*, 56 GrConfigConversionEffect(GrProcessorDataManager*,
59 GrTexture*, 57 GrTexture*,
60 bool swapRedAndBlue, 58 bool swapRedAndBlue,
61 PMConversion pmConversion, 59 PMConversion pmConversion,
62 const SkMatrix& matrix); 60 const SkMatrix& matrix);
63 61
62 void onGetGLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const ov erride;
63
64 bool onIsEqual(const GrFragmentProcessor&) const override; 64 bool onIsEqual(const GrFragmentProcessor&) const override;
65 65
66 void onComputeInvariantOutput(GrInvariantOutput* inout) const override; 66 void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
67 67
68 bool fSwapRedAndBlue; 68 bool fSwapRedAndBlue;
69 PMConversion fPMConversion; 69 PMConversion fPMConversion;
70 70
71 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; 71 GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
72 72
73 typedef GrSingleTextureEffect INHERITED; 73 typedef GrSingleTextureEffect INHERITED;
74 }; 74 };
75 75
76 #endif 76 #endif
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