| OLD | NEW |
| 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 #ifndef GrGLFragmentProcessor_DEFINED | 8 #ifndef GrGLFragmentProcessor_DEFINED |
| 9 #define GrGLFragmentProcessor_DEFINED | 9 #define GrGLFragmentProcessor_DEFINED |
| 10 | 10 |
| 11 #include "GrGLProcessor.h" | 11 #include "glsl/GrGLSLProcessorTypes.h" |
| 12 #include "glsl/GrGLSLProgramDataManager.h" | 12 #include "glsl/GrGLSLProgramDataManager.h" |
| 13 #include "glsl/GrGLSLTextureSampler.h" |
| 13 | 14 |
| 15 class GrProcessor; |
| 16 class GrProcessorKeyBuilder; |
| 14 class GrGLFPBuilder; | 17 class GrGLFPBuilder; |
| 15 class GrGLSLCaps; | 18 class GrGLSLCaps; |
| 16 | 19 |
| 17 class GrGLFragmentProcessor { | 20 class GrGLFragmentProcessor { |
| 18 public: | 21 public: |
| 19 GrGLFragmentProcessor() {} | 22 GrGLFragmentProcessor() {} |
| 20 | 23 |
| 21 virtual ~GrGLFragmentProcessor() { | 24 virtual ~GrGLFragmentProcessor() { |
| 22 for (int i = 0; i < fChildProcessors.count(); ++i) { | 25 for (int i = 0; i < fChildProcessors.count(); ++i) { |
| 23 delete fChildProcessors[i]; | 26 delete fChildProcessors[i]; |
| 24 } | 27 } |
| 25 } | 28 } |
| 26 | 29 |
| 27 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; | 30 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; |
| 28 typedef GrGLProcessor::TransformedCoordsArray TransformedCoordsArray; | 31 typedef GrGLSLTextureSampler::TextureSamplerArray TextureSamplerArray; |
| 29 typedef GrGLProcessor::TextureSamplerArray TextureSamplerArray; | |
| 30 | 32 |
| 31 /** Called when the program stage should insert its code into the shaders. T
he code in each | 33 /** Called when the program stage should insert its code into the shaders. T
he code in each |
| 32 shader will be in its own block ({}) and so locally scoped names will no
t collide across | 34 shader will be in its own block ({}) and so locally scoped names will no
t collide across |
| 33 stages. | 35 stages. |
| 34 | 36 |
| 35 @param builder Interface used to emit code in the shaders. | 37 @param builder Interface used to emit code in the shaders. |
| 36 @param processor The processor that generated this program stage. | 38 @param processor The processor that generated this program stage. |
| 37 @param key The key that was computed by GenKey() from the gener
ating GrProcessor. | 39 @param key The key that was computed by GenKey() from the gener
ating GrProcessor. |
| 38 @param outputColor A predefined vec4 in the FS in which the stage shoul
d place its output | 40 @param outputColor A predefined vec4 in the FS in which the stage shoul
d place its output |
| 39 color (or coverage). | 41 color (or coverage). |
| 40 @param inputColor A vec4 that holds the input color to the stage in th
e FS. This may be | 42 @param inputColor A vec4 that holds the input color to the stage in th
e FS. This may be |
| 41 nullptr in which case the implied input is solid whi
te (all ones). | 43 nullptr in which case the implied input is solid whi
te (all ones). |
| 42 TODO: Better system for communicating optimization i
nfo (e.g. input | 44 TODO: Better system for communicating optimization i
nfo (e.g. input |
| 43 color is solid white, trans black, known to be opaqu
e, etc.) that allows | 45 color is solid white, trans black, known to be opaqu
e, etc.) that allows |
| 44 the processor to communicate back similar known info
about its output. | 46 the processor to communicate back similar known info
about its output. |
| 45 @param samplers Contains one entry for each GrTextureAccess of the G
rProcessor. These | 47 @param samplers Contains one entry for each GrTextureAccess of the G
rProcessor. These |
| 46 can be passed to the builder to emit texture reads i
n the generated | 48 can be passed to the builder to emit texture reads i
n the generated |
| 47 code. | 49 code. |
| 48 */ | 50 */ |
| 49 | 51 |
| 50 struct EmitArgs { | 52 struct EmitArgs { |
| 51 EmitArgs(GrGLFPBuilder* builder, | 53 EmitArgs(GrGLFPBuilder* builder, |
| 52 const GrFragmentProcessor& fp, | 54 const GrFragmentProcessor& fp, |
| 53 const char* outputColor, | 55 const char* outputColor, |
| 54 const char* inputColor, | 56 const char* inputColor, |
| 55 const TransformedCoordsArray& coords, | 57 const GrGLSLTransformedCoordsArray& coords, |
| 56 const TextureSamplerArray& samplers) | 58 const TextureSamplerArray& samplers) |
| 57 : fBuilder(builder) | 59 : fBuilder(builder) |
| 58 , fFp(fp) | 60 , fFp(fp) |
| 59 , fOutputColor(outputColor) | 61 , fOutputColor(outputColor) |
| 60 , fInputColor(inputColor) | 62 , fInputColor(inputColor) |
| 61 , fCoords(coords) | 63 , fCoords(coords) |
| 62 , fSamplers(samplers) {} | 64 , fSamplers(samplers) {} |
| 63 GrGLFPBuilder* fBuilder; | 65 GrGLFPBuilder* fBuilder; |
| 64 const GrFragmentProcessor& fFp; | 66 const GrFragmentProcessor& fFp; |
| 65 const char* fOutputColor; | 67 const char* fOutputColor; |
| 66 const char* fInputColor; | 68 const char* fInputColor; |
| 67 const TransformedCoordsArray& fCoords; | 69 const GrGLSLTransformedCoordsArray& fCoords; |
| 68 const TextureSamplerArray& fSamplers; | 70 const TextureSamplerArray& fSamplers; |
| 69 }; | 71 }; |
| 70 | 72 |
| 71 virtual void emitCode(EmitArgs&) = 0; | 73 virtual void emitCode(EmitArgs&) = 0; |
| 72 | 74 |
| 73 void setData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcesso
r& processor); | 75 void setData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcesso
r& processor); |
| 74 | 76 |
| 75 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der*) {} | 77 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil
der*) {} |
| 76 | 78 |
| 77 int numChildProcessors() const { return fChildProcessors.count(); } | 79 int numChildProcessors() const { return fChildProcessors.count(); } |
| (...skipping 24 matching lines...) Expand all Loading... |
| 102 to have an identical processor key as the one that created this GrGLFragment
Processor. */ | 104 to have an identical processor key as the one that created this GrGLFragment
Processor. */ |
| 103 // TODO update this to pass in GrFragmentProcessor | 105 // TODO update this to pass in GrFragmentProcessor |
| 104 virtual void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&)
{} | 106 virtual void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&)
{} |
| 105 | 107 |
| 106 private: | 108 private: |
| 107 void internalEmitChild(int, const char*, const char*, EmitArgs&); | 109 void internalEmitChild(int, const char*, const char*, EmitArgs&); |
| 108 | 110 |
| 109 SkTArray<GrGLFragmentProcessor*, true> fChildProcessors; | 111 SkTArray<GrGLFragmentProcessor*, true> fChildProcessors; |
| 110 | 112 |
| 111 friend class GrFragmentProcessor; | 113 friend class GrFragmentProcessor; |
| 112 typedef GrGLProcessor INHERITED; | |
| 113 }; | 114 }; |
| 114 | 115 |
| 115 #endif | 116 #endif |
| OLD | NEW |