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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 GrGLXferProcessor_DEFINED | 8 #ifndef GrGLXferProcessor_DEFINED |
9 #define GrGLXferProcessor_DEFINED | 9 #define GrGLXferProcessor_DEFINED |
10 | 10 |
11 #include "glsl/GrGLSLProgramDataManager.h" | 11 #include "glsl/GrGLSLProgramDataManager.h" |
12 #include "glsl/GrGLSLTextureSampler.h" | 12 #include "glsl/GrGLSLTextureSampler.h" |
13 | 13 |
14 class GrGLXPBuilder; | 14 class GrGLSLXPBuilder; |
15 class GrXferProcessor; | 15 class GrXferProcessor; |
16 | 16 |
17 class GrGLXferProcessor { | 17 class GrGLXferProcessor { |
18 public: | 18 public: |
19 GrGLXferProcessor() {} | 19 GrGLXferProcessor() {} |
20 virtual ~GrGLXferProcessor() {} | 20 virtual ~GrGLXferProcessor() {} |
21 | 21 |
22 typedef GrGLSLTextureSampler::TextureSamplerArray TextureSamplerArray; | 22 typedef GrGLSLTextureSampler::TextureSamplerArray TextureSamplerArray; |
23 struct EmitArgs { | 23 struct EmitArgs { |
24 EmitArgs(GrGLXPBuilder* pb, | 24 EmitArgs(GrGLSLXPBuilder* pb, |
25 const GrXferProcessor& xp, | 25 const GrXferProcessor& xp, |
26 const char* inputColor, | 26 const char* inputColor, |
27 const char* inputCoverage, | 27 const char* inputCoverage, |
28 const char* outputPrimary, | 28 const char* outputPrimary, |
29 const char* outputSecondary, | 29 const char* outputSecondary, |
30 const TextureSamplerArray& samplers) | 30 const TextureSamplerArray& samplers) |
31 : fPB(pb) | 31 : fPB(pb) |
32 , fXP(xp) | 32 , fXP(xp) |
33 , fInputColor(inputColor) | 33 , fInputColor(inputColor) |
34 , fInputCoverage(inputCoverage) | 34 , fInputCoverage(inputCoverage) |
35 , fOutputPrimary(outputPrimary) | 35 , fOutputPrimary(outputPrimary) |
36 , fOutputSecondary(outputSecondary) | 36 , fOutputSecondary(outputSecondary) |
37 , fSamplers(samplers) {} | 37 , fSamplers(samplers) {} |
38 | 38 |
39 GrGLXPBuilder* fPB; | 39 GrGLSLXPBuilder* fPB; |
40 const GrXferProcessor& fXP; | 40 const GrXferProcessor& fXP; |
41 const char* fInputColor; | 41 const char* fInputColor; |
42 const char* fInputCoverage; | 42 const char* fInputCoverage; |
43 const char* fOutputPrimary; | 43 const char* fOutputPrimary; |
44 const char* fOutputSecondary; | 44 const char* fOutputSecondary; |
45 const TextureSamplerArray& fSamplers; | 45 const TextureSamplerArray& fSamplers; |
46 }; | 46 }; |
47 /** | 47 /** |
48 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. | 48 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. |
49 * This allows the effect subclass to emit vertex code. | 49 * This allows the effect subclass to emit vertex code. |
(...skipping 17 matching lines...) Expand all Loading... |
67 */ | 67 */ |
68 virtual void emitOutputsForBlendState(const EmitArgs&) { | 68 virtual void emitOutputsForBlendState(const EmitArgs&) { |
69 SkFAIL("emitOutputsForBlendState not implemented."); | 69 SkFAIL("emitOutputsForBlendState not implemented."); |
70 } | 70 } |
71 | 71 |
72 /** | 72 /** |
73 * Called by emitCode() when the XP will perform a dst read. This method onl
y needs to supply | 73 * Called by emitCode() when the XP will perform a dst read. This method onl
y needs to supply |
74 * the blending logic. The base class applies coverage. A subclass only need
s to implement this | 74 * the blending logic. The base class applies coverage. A subclass only need
s to implement this |
75 * method if it can construct a GrXferProcessor that reads the dst color. | 75 * method if it can construct a GrXferProcessor that reads the dst color. |
76 */ | 76 */ |
77 virtual void emitBlendCodeForDstRead(GrGLXPBuilder*, const char* srcColor, c
onst char* dstColor, | 77 virtual void emitBlendCodeForDstRead(GrGLSLXPBuilder*, |
78 const char* outColor, const GrXferProce
ssor&) { | 78 const char* srcColor, |
| 79 const char* dstColor, |
| 80 const char* outColor, |
| 81 const GrXferProcessor&) { |
79 SkFAIL("emitBlendCodeForDstRead not implemented."); | 82 SkFAIL("emitBlendCodeForDstRead not implemented."); |
80 } | 83 } |
81 | 84 |
82 virtual void onSetData(const GrGLSLProgramDataManager&, const GrXferProcesso
r&) = 0; | 85 virtual void onSetData(const GrGLSLProgramDataManager&, const GrXferProcesso
r&) = 0; |
83 | 86 |
84 GrGLSLProgramDataManager::UniformHandle fDstTopLeftUni; | 87 GrGLSLProgramDataManager::UniformHandle fDstTopLeftUni; |
85 GrGLSLProgramDataManager::UniformHandle fDstScaleUni; | 88 GrGLSLProgramDataManager::UniformHandle fDstScaleUni; |
86 }; | 89 }; |
87 #endif | 90 #endif |
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