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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_SURFACE_OSMESA_H_ | 5 #ifndef UI_GFX_GL_GL_SURFACE_OSMESA_H_ |
6 #define UI_GFX_GL_GL_SURFACE_OSMESA_H_ | 6 #define UI_GFX_GL_GL_SURFACE_OSMESA_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "ui/gfx/gl/gl_surface.h" | 10 #include "ui/gfx/gl/gl_surface.h" |
11 #include "ui/gfx/size.h" | 11 #include "ui/gfx/size.h" |
12 | 12 |
13 namespace gfx { | 13 namespace gfx { |
14 | 14 |
15 // A surface that the Mesa software renderer draws to. This is actually just a | 15 // A surface that the Mesa software renderer draws to. This is actually just a |
16 // buffer in system memory. GetHandle returns a pointer to the buffer. These | 16 // buffer in system memory. GetHandle returns a pointer to the buffer. These |
17 // surfaces can be resized and resizing preserves the contents. | 17 // surfaces can be resized and resizing preserves the contents. |
18 class GLSurfaceOSMesa : public GLSurface { | 18 class GLSurfaceOSMesa : public GLSurface { |
19 public: | 19 public: |
20 explicit GLSurfaceOSMesa(unsigned format, const gfx::Size& size); | 20 GLSurfaceOSMesa(unsigned format, const gfx::Size& size); |
21 virtual ~GLSurfaceOSMesa(); | 21 virtual ~GLSurfaceOSMesa(); |
22 | 22 |
23 // Resize the back buffer, preserving the old content. Does nothing if the | 23 // Resize the back buffer, preserving the old content. Does nothing if the |
24 // size is unchanged. | 24 // size is unchanged. |
25 void Resize(const gfx::Size& new_size); | 25 void Resize(const gfx::Size& new_size); |
26 | 26 |
27 // Implement GLSurface. | 27 // Implement GLSurface. |
28 virtual bool Initialize(); | 28 virtual bool Initialize(); |
29 virtual void Destroy(); | 29 virtual void Destroy(); |
30 virtual bool IsOffscreen(); | 30 virtual bool IsOffscreen(); |
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41 unsigned format_; | 41 unsigned format_; |
42 gfx::Size size_; | 42 gfx::Size size_; |
43 scoped_array<int32> buffer_; | 43 scoped_array<int32> buffer_; |
44 | 44 |
45 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesa); | 45 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesa); |
46 }; | 46 }; |
47 | 47 |
48 } // namespace gfx | 48 } // namespace gfx |
49 | 49 |
50 #endif // UI_GFX_GL_GL_SURFACE_OSMESA_H_ | 50 #endif // UI_GFX_GL_GL_SURFACE_OSMESA_H_ |
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