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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #include "SkLumaColorFilter.h" | 8 #include "SkLumaColorFilter.h" |
9 | 9 |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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56 #ifndef SK_IGNORE_TO_STRING | 56 #ifndef SK_IGNORE_TO_STRING |
57 void SkLumaColorFilter::toString(SkString* str) const { | 57 void SkLumaColorFilter::toString(SkString* str) const { |
58 str->append("SkLumaColorFilter "); | 58 str->append("SkLumaColorFilter "); |
59 } | 59 } |
60 #endif | 60 #endif |
61 | 61 |
62 #if SK_SUPPORT_GPU | 62 #if SK_SUPPORT_GPU |
63 class LumaColorFilterEffect : public GrFragmentProcessor { | 63 class LumaColorFilterEffect : public GrFragmentProcessor { |
64 public: | 64 public: |
65 static GrFragmentProcessor* Create() { | 65 static GrFragmentProcessor* Create() { |
66 GR_CREATE_STATIC_FRAGMENT_PROCESSOR(gLumaEffect, LumaColorFilterEffect,
()); | 66 GR_CREATE_STATIC_PROCESSOR(gLumaEffect, LumaColorFilterEffect, ()); |
67 return SkRef(gLumaEffect); | 67 return SkRef(gLumaEffect); |
68 } | 68 } |
69 | 69 |
70 static const char* Name() { return "Luminance-to-Alpha"; } | 70 static const char* Name() { return "Luminance-to-Alpha"; } |
71 | 71 |
72 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE { | 72 virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERR
IDE { |
73 return GrTBackendFragmentProcessorFactory<LumaColorFilterEffect>::getIns
tance(); | 73 return GrTBackendFragmentProcessorFactory<LumaColorFilterEffect>::getIns
tance(); |
74 } | 74 } |
75 | 75 |
76 class GLProcessor : public GrGLFragmentProcessor { | 76 class GLProcessor : public GrGLFragmentProcessor { |
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116 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { | 116 virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERR
IDE { |
117 // The output is always black. The alpha value for the color passed in i
s arbitrary. | 117 // The output is always black. The alpha value for the color passed in i
s arbitrary. |
118 inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0
)); | 118 inout->setToOther(kRGB_GrColorComponentFlags, GrColorPackRGBA(0, 0, 0, 0
)); |
119 } | 119 } |
120 }; | 120 }; |
121 | 121 |
122 GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) const { | 122 GrFragmentProcessor* SkLumaColorFilter::asFragmentProcessor(GrContext*) const { |
123 return LumaColorFilterEffect::Create(); | 123 return LumaColorFilterEffect::Create(); |
124 } | 124 } |
125 #endif | 125 #endif |
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