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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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