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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ | 5 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ |
6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ | 6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ |
7 | 7 |
8 #include "base/mac/scoped_cftyperef.h" | 8 #include "base/mac/scoped_cftyperef.h" |
9 #include "content/common/gpu/client/gpu_memory_buffer_impl.h" | 9 #include "content/common/gpu/client/gpu_memory_buffer_impl.h" |
10 | 10 |
11 class IOSurfaceSupport; | 11 class IOSurfaceSupport; |
12 | 12 |
13 namespace content { | 13 namespace content { |
14 | 14 |
15 // Provides implementation of a GPU memory buffer based | 15 // Implementation of GPU memory buffer based on IO surfaces. |
16 // on an IO surface handle. | |
17 class GpuMemoryBufferImplIOSurface : public GpuMemoryBufferImpl { | 16 class GpuMemoryBufferImplIOSurface : public GpuMemoryBufferImpl { |
18 public: | 17 public: |
19 GpuMemoryBufferImplIOSurface(gfx::Size size, unsigned internalformat); | 18 GpuMemoryBufferImplIOSurface(gfx::Size size, unsigned internalformat); |
20 virtual ~GpuMemoryBufferImplIOSurface(); | 19 virtual ~GpuMemoryBufferImplIOSurface(); |
21 | 20 |
22 static bool IsFormatSupported(unsigned internalformat); | 21 static bool IsFormatSupported(unsigned internalformat); |
23 static uint32 PixelFormat(unsigned internalformat); | 22 static uint32 PixelFormat(unsigned internalformat); |
24 | 23 |
25 bool Initialize(gfx::GpuMemoryBufferHandle handle); | 24 bool InitializeFromHandle(gfx::GpuMemoryBufferHandle handle); |
26 | 25 |
27 // Overridden from gfx::GpuMemoryBuffer: | 26 // Overridden from gfx::GpuMemoryBuffer: |
28 virtual void* Map(AccessMode mode) OVERRIDE; | 27 virtual void* Map(AccessMode mode) OVERRIDE; |
29 virtual void Unmap() OVERRIDE; | 28 virtual void Unmap() OVERRIDE; |
30 virtual uint32 GetStride() const OVERRIDE; | 29 virtual uint32 GetStride() const OVERRIDE; |
31 virtual gfx::GpuMemoryBufferHandle GetHandle() const OVERRIDE; | 30 virtual gfx::GpuMemoryBufferHandle GetHandle() const OVERRIDE; |
32 | 31 |
33 private: | 32 private: |
34 IOSurfaceSupport* io_surface_support_; | 33 IOSurfaceSupport* io_surface_support_; |
35 base::ScopedCFTypeRef<CFTypeRef> io_surface_; | 34 base::ScopedCFTypeRef<CFTypeRef> io_surface_; |
36 | 35 |
37 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplIOSurface); | 36 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplIOSurface); |
38 }; | 37 }; |
39 | 38 |
40 } // namespace content | 39 } // namespace content |
41 | 40 |
42 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ | 41 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_IO_SURFACE_H_ |
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