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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 GrGLProcessor_DEFINED | 8 #ifndef GrGLProcessor_DEFINED |
9 #define GrGLProcessor_DEFINED | 9 #define GrGLProcessor_DEFINED |
10 | 10 |
11 #include "GrBackendProcessorFactory.h" | 11 #include "GrBackendProcessorFactory.h" |
12 #include "GrGLProgramDataManager.h" | 12 #include "GrGLProgramDataManager.h" |
13 #include "GrTextureAccess.h" | 13 #include "GrTextureAccess.h" |
14 | 14 |
15 /** @file | 15 /** @file |
16 This file contains specializations for OpenGL of the shader stages declared
in | 16 This file contains specializations for OpenGL of the shader stages declared
in |
17 include/gpu/GrProcessor.h. Objects of type GrGLProcessor are responsible for
emitting the | 17 include/gpu/GrProcessor.h. Objects of type GrGLProcessor are responsible for
emitting the |
18 GLSL code that implements a GrProcessor and for uploading uniforms at draw t
ime. If they don't | 18 GLSL code that implements a GrProcessor and for uploading uniforms at draw t
ime. If they don't |
19 always emit the same GLSL code, they must have a function: | 19 always emit the same GLSL code, they must have a function: |
20 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcess
orKeyBuilder*) | 20 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcess
orKeyBuilder*) |
21 that is used to implement a program cache. When two GrProcessors produce the
same key this means | 21 that is used to implement a program cache. When two GrProcessors produce the
same key this means |
22 that their GrGLProcessors would emit the same GLSL code. | 22 that their GrGLProcessors would emit the same GLSL code. |
23 | 23 |
24 The GrGLProcessor subclass must also have a constructor of the form: | 24 The GrGLProcessor subclass must also have a constructor of the form: |
25 EffectSubclass::EffectSubclass(const GrBackendEffectFactory&, const GrPr
ocessor&) | 25 EffectSubclass::EffectSubclass(const GrBackendProcessorFactory&, const G
rProcessor&) |
26 | 26 |
27 These objects are created by the factory object returned by the GrProcessor:
:getFactory(). | 27 These objects are created by the factory object returned by the GrProcessor:
:getFactory(). |
28 */ | 28 */ |
29 | 29 |
30 class GrGLProcessor { | 30 class GrGLProcessor { |
31 public: | 31 public: |
32 GrGLProcessor(const GrBackendProcessorFactory& factory) | 32 GrGLProcessor(const GrBackendProcessorFactory& factory) |
33 : fFactory(factory) { | 33 : fFactory(factory) { |
34 } | 34 } |
35 | 35 |
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122 const char* outputColor, | 122 const char* outputColor, |
123 const char* inputColor, | 123 const char* inputColor, |
124 const TransformedCoordsArray& coords, | 124 const TransformedCoordsArray& coords, |
125 const TextureSamplerArray& samplers) = 0; | 125 const TextureSamplerArray& samplers) = 0; |
126 | 126 |
127 private: | 127 private: |
128 typedef GrGLProcessor INHERITED; | 128 typedef GrGLProcessor INHERITED; |
129 }; | 129 }; |
130 | 130 |
131 #endif | 131 #endif |
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