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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_SURFACE_OSMESA_H_ | 5 #ifndef UI_GL_GL_SURFACE_OSMESA_H_ |
| 6 #define UI_GL_GL_SURFACE_OSMESA_H_ | 6 #define UI_GL_GL_SURFACE_OSMESA_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "ui/gfx/size.h" | 9 #include "ui/gfx/size.h" |
| 10 #include "ui/gl/gl_surface.h" | 10 #include "ui/gl/gl_surface.h" |
| 11 | 11 |
| 12 namespace gfx { | 12 namespace gfx { |
| 13 | 13 |
| 14 enum OSMesaSurfaceFormat { OSMesaSurfaceFormatBGRA, OSMesaSurfaceFormatRGBA }; | 14 enum OSMesaSurfaceFormat { OSMesaSurfaceFormatBGRA, OSMesaSurfaceFormatRGBA }; |
| 15 | 15 |
| 16 // A surface that the Mesa software renderer draws to. This is actually just a | 16 // A surface that the Mesa software renderer draws to. This is actually just a |
| 17 // buffer in system memory. GetHandle returns a pointer to the buffer. These | 17 // buffer in system memory. GetHandle returns a pointer to the buffer. These |
| 18 // surfaces can be resized and resizing preserves the contents. | 18 // surfaces can be resized and resizing preserves the contents. |
| 19 class GL_EXPORT GLSurfaceOSMesa : public GLSurface { | 19 class GL_EXPORT GLSurfaceOSMesa : public GLSurface { |
| 20 public: | 20 public: |
| 21 GLSurfaceOSMesa(OSMesaSurfaceFormat format, const gfx::Size& size); | 21 GLSurfaceOSMesa(OSMesaSurfaceFormat format, const gfx::Size& size); |
| 22 | 22 |
| 23 // Implement GLSurface. | 23 // Implement GLSurface. |
| 24 virtual bool Initialize() OVERRIDE; | 24 virtual bool Initialize() override; |
| 25 virtual void Destroy() OVERRIDE; | 25 virtual void Destroy() override; |
| 26 virtual bool Resize(const gfx::Size& new_size) OVERRIDE; | 26 virtual bool Resize(const gfx::Size& new_size) override; |
| 27 virtual bool IsOffscreen() OVERRIDE; | 27 virtual bool IsOffscreen() override; |
| 28 virtual bool SwapBuffers() OVERRIDE; | 28 virtual bool SwapBuffers() override; |
| 29 virtual gfx::Size GetSize() OVERRIDE; | 29 virtual gfx::Size GetSize() override; |
| 30 virtual void* GetHandle() OVERRIDE; | 30 virtual void* GetHandle() override; |
| 31 virtual unsigned GetFormat() OVERRIDE; | 31 virtual unsigned GetFormat() override; |
| 32 | 32 |
| 33 protected: | 33 protected: |
| 34 virtual ~GLSurfaceOSMesa(); | 34 virtual ~GLSurfaceOSMesa(); |
| 35 | 35 |
| 36 private: | 36 private: |
| 37 unsigned format_; | 37 unsigned format_; |
| 38 gfx::Size size_; | 38 gfx::Size size_; |
| 39 scoped_ptr<int32[]> buffer_; | 39 scoped_ptr<int32[]> buffer_; |
| 40 | 40 |
| 41 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesa); | 41 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesa); |
| 42 }; | 42 }; |
| 43 | 43 |
| 44 // A thin subclass of |GLSurfaceOSMesa| that can be used in place | 44 // A thin subclass of |GLSurfaceOSMesa| that can be used in place |
| 45 // of a native hardware-provided surface when a native surface | 45 // of a native hardware-provided surface when a native surface |
| 46 // provider is not available. | 46 // provider is not available. |
| 47 class GLSurfaceOSMesaHeadless : public GLSurfaceOSMesa { | 47 class GLSurfaceOSMesaHeadless : public GLSurfaceOSMesa { |
| 48 public: | 48 public: |
| 49 explicit GLSurfaceOSMesaHeadless(); | 49 explicit GLSurfaceOSMesaHeadless(); |
| 50 | 50 |
| 51 virtual bool IsOffscreen() OVERRIDE; | 51 virtual bool IsOffscreen() override; |
| 52 virtual bool SwapBuffers() OVERRIDE; | 52 virtual bool SwapBuffers() override; |
| 53 | 53 |
| 54 protected: | 54 protected: |
| 55 virtual ~GLSurfaceOSMesaHeadless(); | 55 virtual ~GLSurfaceOSMesaHeadless(); |
| 56 | 56 |
| 57 private: | 57 private: |
| 58 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesaHeadless); | 58 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOSMesaHeadless); |
| 59 }; | 59 }; |
| 60 | 60 |
| 61 } // namespace gfx | 61 } // namespace gfx |
| 62 | 62 |
| 63 #endif // UI_GL_GL_SURFACE_OSMESA_H_ | 63 #endif // UI_GL_GL_SURFACE_OSMESA_H_ |
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