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1 // Copyright (c) 2011 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/hash_tables.h" | 10 #include "base/hash_tables.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "gpu/command_buffer/service/gl_utils.h" | 14 #include "gpu/command_buffer/service/gl_utils.h" |
15 #include "gpu/command_buffer/service/shader_translator.h" | 15 #include "gpu/command_buffer/service/shader_translator.h" |
| 16 #include "gpu/gpu_export.h" |
16 | 17 |
17 namespace gpu { | 18 namespace gpu { |
18 namespace gles2 { | 19 namespace gles2 { |
19 | 20 |
20 // Tracks the Shaders. | 21 // Tracks the Shaders. |
21 // | 22 // |
22 // NOTE: To support shared resources an instance of this class will | 23 // NOTE: To support shared resources an instance of this class will |
23 // need to be shared by multiple GLES2Decoders. | 24 // need to be shared by multiple GLES2Decoders. |
24 class ShaderManager { | 25 class GPU_EXPORT ShaderManager { |
25 public: | 26 public: |
26 // This is used to keep the source code for a shader. This is because in order | 27 // This is used to keep the source code for a shader. This is because in order |
27 // to emluate GLES2 the shaders will have to be re-written before passed to | 28 // to emluate GLES2 the shaders will have to be re-written before passed to |
28 // the underlying OpenGL. But, when the user calls glGetShaderSource they | 29 // the underlying OpenGL. But, when the user calls glGetShaderSource they |
29 // should get the source they passed in, not the re-written source. | 30 // should get the source they passed in, not the re-written source. |
30 class ShaderInfo : public base::RefCounted<ShaderInfo> { | 31 class GPU_EXPORT ShaderInfo : public base::RefCounted<ShaderInfo> { |
31 public: | 32 public: |
32 typedef scoped_refptr<ShaderInfo> Ref; | 33 typedef scoped_refptr<ShaderInfo> Ref; |
33 typedef ShaderTranslator::VariableInfo VariableInfo; | 34 typedef ShaderTranslator::VariableInfo VariableInfo; |
34 | 35 |
35 void UpdateSource(const char* source) { | 36 void UpdateSource(const char* source) { |
36 source_.reset(source ? new std::string(source) : NULL); | 37 source_.reset(source ? new std::string(source) : NULL); |
37 translated_source_.reset(NULL); | 38 translated_source_.reset(NULL); |
38 } | 39 } |
39 | 40 |
40 void UpdateTranslatedSource(const char* translated_source) { | 41 void UpdateTranslatedSource(const char* translated_source) { |
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158 void RemoveShaderInfoIfUnused(ShaderInfo* info); | 159 void RemoveShaderInfoIfUnused(ShaderInfo* info); |
159 | 160 |
160 DISALLOW_COPY_AND_ASSIGN(ShaderManager); | 161 DISALLOW_COPY_AND_ASSIGN(ShaderManager); |
161 }; | 162 }; |
162 | 163 |
163 } // namespace gles2 | 164 } // namespace gles2 |
164 } // namespace gpu | 165 } // namespace gpu |
165 | 166 |
166 #endif // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ | 167 #endif // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_ |
167 | 168 |
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