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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 "GrGLProgramDataManager.h" | |
12 #include "GrProcessor.h" | 11 #include "GrProcessor.h" |
| 12 #include "GrShaderVar.h" |
13 #include "GrTextureAccess.h" | 13 #include "GrTextureAccess.h" |
| 14 #include "glsl/GrGLSLProgramDataManager.h" |
14 | 15 |
15 /** @file | 16 /** @file |
16 This file contains specializations for OpenGL of the shader stages declared
in | 17 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 | 18 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 | 19 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: | 20 always emit the same GLSL code, they must have a function: |
20 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProce
ssorKeyBuilder*) | 21 static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProce
ssorKeyBuilder*) |
21 that is used to implement a program cache. When two GrProcessors produce the
same key this means | 22 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. | 23 that their GrGLProcessors would emit the same GLSL code. |
23 | 24 |
24 The GrGLProcessor subclass must also have a constructor of the form: | 25 The GrGLProcessor subclass must also have a constructor of the form: |
25 ProcessorSubclass::ProcessorSubclass(const GrBackendProcessorFactory&, c
onst GrProcessor&) | 26 ProcessorSubclass::ProcessorSubclass(const GrBackendProcessorFactory&, c
onst GrProcessor&) |
26 | 27 |
27 These objects are created by the factory object returned by the GrProcessor:
:getFactory(). | 28 These objects are created by the factory object returned by the GrProcessor:
:getFactory(). |
28 */ | 29 */ |
29 // TODO delete this and make TextureSampler its own thing | 30 // TODO delete this and make TextureSampler its own thing |
30 class GrGLProcessor { | 31 class GrGLProcessor { |
31 public: | 32 public: |
32 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 33 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; |
33 | 34 |
34 /** | 35 /** |
35 * Passed to GrGLProcessors so they can add transformed coordinates to their
shader code. | 36 * Passed to GrGLProcessors so they can add transformed coordinates to their
shader code. |
36 */ | 37 */ |
37 typedef GrShaderVar TransformedCoords; | 38 typedef GrShaderVar TransformedCoords; |
38 typedef SkTArray<GrShaderVar> TransformedCoordsArray; | 39 typedef SkTArray<GrShaderVar> TransformedCoordsArray; |
39 | 40 |
40 /** | 41 /** |
41 * Passed to GrGLProcessors so they can add texture reads to their shader co
de. | 42 * Passed to GrGLProcessors so they can add texture reads to their shader co
de. |
42 */ | 43 */ |
(...skipping 16 matching lines...) Expand all Loading... |
59 uint32_t fConfigComponentMask; | 60 uint32_t fConfigComponentMask; |
60 char fSwizzle[5]; | 61 char fSwizzle[5]; |
61 | 62 |
62 friend class GrGLShaderBuilder; | 63 friend class GrGLShaderBuilder; |
63 }; | 64 }; |
64 | 65 |
65 typedef SkTArray<TextureSampler> TextureSamplerArray; | 66 typedef SkTArray<TextureSampler> TextureSamplerArray; |
66 }; | 67 }; |
67 | 68 |
68 #endif | 69 #endif |
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