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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 UI_GL_GL_STATE_RESTORER_H_ | 5 #ifndef UI_GL_GL_STATE_RESTORER_H_ |
6 #define UI_GL_GL_STATE_RESTORER_H_ | 6 #define UI_GL_GL_STATE_RESTORER_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "ui/gl/gl_export.h" | 9 #include "ui/gl/gl_export.h" |
10 | 10 |
11 namespace gpu { | 11 namespace gpu { |
12 namespace gles2 { | 12 namespace gles2 { |
13 class GLES2Decoder; | 13 class GLES2Decoder; |
14 } // namespace gles2 | 14 } // namespace gles2 |
15 } // namespace gpu | 15 } // namespace gpu |
16 | 16 |
17 namespace gfx { | 17 namespace gl { |
18 | 18 |
19 // An interface for Restoring GL State. | 19 // An interface for Restoring GL State. |
20 // This will expand over time to provide an more optimizable implementation. | 20 // This will expand over time to provide an more optimizable implementation. |
21 class GL_EXPORT GLStateRestorer { | 21 class GL_EXPORT GLStateRestorer { |
22 public: | 22 public: |
23 GLStateRestorer(); | 23 GLStateRestorer(); |
24 virtual ~GLStateRestorer(); | 24 virtual ~GLStateRestorer(); |
25 | 25 |
26 virtual bool IsInitialized() = 0; | 26 virtual bool IsInitialized() = 0; |
27 virtual void RestoreState(const GLStateRestorer* prev_state) = 0; | 27 virtual void RestoreState(const GLStateRestorer* prev_state) = 0; |
28 virtual void RestoreAllTextureUnitBindings() = 0; | 28 virtual void RestoreAllTextureUnitBindings() = 0; |
29 virtual void RestoreActiveTextureUnitBinding(unsigned int target) = 0; | 29 virtual void RestoreActiveTextureUnitBinding(unsigned int target) = 0; |
30 virtual void RestoreAllExternalTextureBindingsIfNeeded() = 0; | 30 virtual void RestoreAllExternalTextureBindingsIfNeeded() = 0; |
31 virtual void RestoreFramebufferBindings() = 0; | 31 virtual void RestoreFramebufferBindings() = 0; |
32 virtual void PauseQueries() = 0; | 32 virtual void PauseQueries() = 0; |
33 virtual void ResumeQueries() = 0; | 33 virtual void ResumeQueries() = 0; |
34 | 34 |
35 DISALLOW_COPY_AND_ASSIGN(GLStateRestorer); | 35 DISALLOW_COPY_AND_ASSIGN(GLStateRestorer); |
36 }; | 36 }; |
37 | 37 |
38 } // namespace gfx | 38 } // namespace gl |
39 | 39 |
40 #endif // UI_GL_GL_STATE_RESTORER_H_ | 40 #endif // UI_GL_GL_STATE_RESTORER_H_ |
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