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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 UI_GFX_GL_GL_SHARE_GROUP_H_ | 5 #ifndef UI_GL_GL_SHARE_GROUP_H_ |
6 #define UI_GFX_GL_GL_SHARE_GROUP_H_ | 6 #define UI_GL_GL_SHARE_GROUP_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <set> | 9 #include <set> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
13 #include "ui/gfx/gl/gl_export.h" | 13 #include "ui/gl/gl_export.h" |
14 | 14 |
15 namespace gfx { | 15 namespace gfx { |
16 | 16 |
17 class GLContext; | 17 class GLContext; |
18 | 18 |
19 // A group of GL contexts that share an ID namespace. | 19 // A group of GL contexts that share an ID namespace. |
20 class GL_EXPORT GLShareGroup : public base::RefCounted<GLShareGroup> { | 20 class GL_EXPORT GLShareGroup : public base::RefCounted<GLShareGroup> { |
21 public: | 21 public: |
22 GLShareGroup(); | 22 GLShareGroup(); |
23 | 23 |
24 // These two should only be called from the constructor and destructor of | 24 // These two should only be called from the constructor and destructor of |
25 // GLContext. | 25 // GLContext. |
26 void AddContext(GLContext* context); | 26 void AddContext(GLContext* context); |
27 void RemoveContext(GLContext* context); | 27 void RemoveContext(GLContext* context); |
28 | 28 |
29 // Returns a handle to any initialized context in the share group or NULL if | 29 // Returns a handle to any initialized context in the share group or NULL if |
30 // there are no initialized contexts in the share group. | 30 // there are no initialized contexts in the share group. |
31 void* GetHandle(); | 31 void* GetHandle(); |
32 | 32 |
33 // Returns a pointer to any initialized context in the share group | 33 // Returns a pointer to any initialized context in the share group |
34 // or NULL if there are no initialized contexts in the share group. | 34 // or NULL if there are no initialized contexts in the share group. |
35 GLContext* GetContext(); | 35 GLContext* GetContext(); |
36 | 36 |
37 private: | 37 private: |
38 friend class base::RefCounted<GLShareGroup>; | 38 friend class base::RefCounted<GLShareGroup>; |
| 39 |
39 ~GLShareGroup(); | 40 ~GLShareGroup(); |
40 | 41 |
41 // References to GLContext are by raw pointer to avoid a reference count | 42 // References to GLContext are by raw pointer to avoid a reference count |
42 // cycle. | 43 // cycle. |
43 typedef std::set<GLContext*> ContextSet; | 44 typedef std::set<GLContext*> ContextSet; |
44 ContextSet contexts_; | 45 ContextSet contexts_; |
| 46 |
45 DISALLOW_COPY_AND_ASSIGN(GLShareGroup); | 47 DISALLOW_COPY_AND_ASSIGN(GLShareGroup); |
46 }; | 48 }; |
47 | 49 |
48 } // namespace gfx | 50 } // namespace gfx |
49 | 51 |
50 #endif // UI_GFX_GL_GL_SHARE_GROUP_H_ | 52 #endif // UI_GL_GL_SHARE_GROUP_H_ |
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