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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ | 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ |
| 6 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ | 6 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ |
| 7 | 7 |
| 8 #include "gpu/command_buffer/service/gl_utils.h" | 8 #include "gpu/command_buffer/service/gl_utils.h" |
| 9 | 9 |
| 10 namespace gpu { | 10 namespace gpu { |
| 11 namespace gles2 { | 11 namespace gles2 { |
| 12 | 12 |
| 13 class GLES2Decoder; | 13 class GLES2Decoder; |
| 14 | 14 |
| 15 } // namespace gles2. | 15 } // namespace gles2. |
| 16 | 16 |
| 17 // This class encapsulates the resources required to implement the | 17 // This class encapsulates the resources required to implement the |
| 18 // GL_CHROMIUM_copy_texture extension. The copy operation is performed | 18 // GL_CHROMIUM_copy_texture extension. The copy operation is performed |
| 19 // via a blit to a framebuffer object. | 19 // via a blit to a framebuffer object. |
| 20 class CopyTextureCHROMIUMResourceManager { | 20 class CopyTextureCHROMIUMResourceManager { |
| 21 public: | 21 public: |
| 22 CopyTextureCHROMIUMResourceManager() : initialized_(false) {} | 22 CopyTextureCHROMIUMResourceManager() : initialized_(false) {} |
| 23 | 23 |
| 24 void Initialize(const gles2::GLES2Decoder* decoder); | 24 void Initialize(const gles2::GLES2Decoder* decoder); |
| 25 void Destroy(); | 25 void Destroy(); |
| 26 | 26 |
| 27 void DoCopyTexture(const gles2::GLES2Decoder* decoder, | 27 void DoCopyTexture(const gles2::GLES2Decoder* decoder, GLenum source_target, |
| 28 GLenum target, GLuint source_id, GLuint dest_id, | 28 GLenum dest_target, GLuint source_id, GLuint dest_id, |
| 29 GLint level, GLsizei width, GLsizei height, | 29 GLint level, GLsizei width, GLsizei height, |
| 30 bool flip_y, bool premultiply_alpha, | 30 bool flip_y, bool premultiply_alpha, |
| 31 bool unpremultiply_alpha); | 31 bool unpremultiply_alpha); |
| 32 | 32 |
| 33 // The attributes used during invocation of the extension. | 33 // The attributes used during invocation of the extension. |
| 34 static const GLuint kVertexPositionAttrib = 0; | 34 static const GLuint kVertexPositionAttrib = 0; |
| 35 static const GLuint kVertexTextureAttrib = 1; | 35 static const GLuint kVertexTextureAttrib = 1; |
| 36 | 36 |
| 37 private: | 37 private: |
| 38 bool initialized_; | 38 bool initialized_; |
| 39 | 39 |
| 40 static const int kNumPrograms = 6; | 40 static const int kNumPrograms = 12; |
| 41 GLuint programs_[kNumPrograms]; | 41 GLuint programs_[kNumPrograms]; |
| 42 GLuint buffer_ids_[2]; | 42 GLuint buffer_ids_[2]; |
| 43 GLuint framebuffer_; | 43 GLuint framebuffer_; |
| 44 GLuint sampler_locations_[kNumPrograms]; | 44 GLuint sampler_locations_[kNumPrograms]; |
| 45 | 45 |
| 46 DISALLOW_COPY_AND_ASSIGN(CopyTextureCHROMIUMResourceManager); | 46 DISALLOW_COPY_AND_ASSIGN(CopyTextureCHROMIUMResourceManager); |
| 47 }; | 47 }; |
| 48 | 48 |
| 49 } // namespace gpu. | 49 } // namespace gpu. |
| 50 | 50 |
| 51 #endif // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ | 51 #endif // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_ |
| 52 | 52 |
| 53 | 53 |
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