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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_SHADER_MANAGER_H_ | 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ |
| 6 #define GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ | 6 #define GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
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| 140 | 140 |
| 141 private: | 141 private: |
| 142 friend class base::RefCounted<Shader>; | 142 friend class base::RefCounted<Shader>; |
| 143 friend class ShaderManager; | 143 friend class ShaderManager; |
| 144 | 144 |
| 145 Shader(GLuint service_id, GLenum shader_type); | 145 Shader(GLuint service_id, GLenum shader_type); |
| 146 ~Shader(); | 146 ~Shader(); |
| 147 | 147 |
| 148 void IncUseCount(); | 148 void IncUseCount(); |
| 149 void DecUseCount(); | 149 void DecUseCount(); |
| 150 void MarkAsDeleted(); | 150 void Delete(); |
| 151 | 151 |
| 152 int use_count_; | 152 int use_count_; |
| 153 | 153 |
| 154 // The current state of the shader. | 154 // The current state of the shader. |
| 155 ShaderState shader_state_; | 155 ShaderState shader_state_; |
| 156 | 156 |
| 157 // The shader this Shader is tracking. | 157 // The shader this Shader is tracking. |
| 158 GLuint service_id_; | 158 GLuint service_id_; |
| 159 | 159 |
| 160 // Type of shader - GL_VERTEX_SHADER or GL_FRAGMENT_SHADER. | 160 // Type of shader - GL_VERTEX_SHADER or GL_FRAGMENT_SHADER. |
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| 208 GLuint service_id, | 208 GLuint service_id, |
| 209 GLenum shader_type); | 209 GLenum shader_type); |
| 210 | 210 |
| 211 // Gets an existing shader info for the given shader ID. Returns NULL if none | 211 // Gets an existing shader info for the given shader ID. Returns NULL if none |
| 212 // exists. | 212 // exists. |
| 213 Shader* GetShader(GLuint client_id); | 213 Shader* GetShader(GLuint client_id); |
| 214 | 214 |
| 215 // Gets a client id for a given service id. | 215 // Gets a client id for a given service id. |
| 216 bool GetClientId(GLuint service_id, GLuint* client_id) const; | 216 bool GetClientId(GLuint service_id, GLuint* client_id) const; |
| 217 | 217 |
| 218 void MarkAsDeleted(Shader* shader); | 218 void Delete(Shader* shader); |
| 219 | 219 |
| 220 // Mark a shader as used | 220 // Mark a shader as used |
| 221 void UseShader(Shader* shader); | 221 void UseShader(Shader* shader); |
| 222 | 222 |
| 223 // Unmark a shader as used. If it has been deleted and is not used | 223 // Unmark a shader as used. If it has been deleted and is not used |
| 224 // then we free the shader. | 224 // then we free the shader. |
| 225 void UnuseShader(Shader* shader); | 225 void UnuseShader(Shader* shader); |
| 226 | 226 |
| 227 // Check if a Shader is owned by this ShaderManager. | 227 // Check if a Shader is owned by this ShaderManager. |
| 228 bool IsOwned(Shader* shader); | 228 bool IsOwned(Shader* shader); |
| 229 | 229 |
| 230 private: | 230 private: |
| 231 friend class Shader; | 231 friend class Shader; |
| 232 | 232 |
| 233 // Info for each shader by service side shader Id. | 233 // Info for each shader by service side shader Id. |
| 234 typedef base::hash_map<GLuint, scoped_refptr<Shader> > ShaderMap; | 234 typedef base::hash_map<GLuint, scoped_refptr<Shader> > ShaderMap; |
| 235 ShaderMap shaders_; | 235 ShaderMap shaders_; |
| 236 | 236 |
| 237 void RemoveShader(Shader* shader); | 237 void RemoveShader(Shader* shader); |
| 238 | 238 |
| 239 DISALLOW_COPY_AND_ASSIGN(ShaderManager); | 239 DISALLOW_COPY_AND_ASSIGN(ShaderManager); |
| 240 }; | 240 }; |
| 241 | 241 |
| 242 } // namespace gles2 | 242 } // namespace gles2 |
| 243 } // namespace gpu | 243 } // namespace gpu |
| 244 | 244 |
| 245 #endif // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ | 245 #endif // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ |
| 246 | 246 |
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