1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_ 6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_ 7 8 #include "content/common/gpu/client/gpu_memory_buffer_impl.h" 9 10 struct ANativeWindow; 11 12 namespace content { 13 14 // Implementation of GPU memory buffer based on SurfaceTextures. 15 class GpuMemoryBufferImplSurfaceTexture : public GpuMemoryBufferImpl { 16 public: 17 static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle( 18 const gfx::GpuMemoryBufferHandle& handle, 19 const gfx::Size& size, 20 unsigned internalformat, 21 const DestructionCallback& callback); 22 23 static bool IsFormatSupported(unsigned internalformat); 24 static bool IsUsageSupported(unsigned usage); 25 static bool IsConfigurationSupported(unsigned internalformat, unsigned usage); 26 static int WindowFormat(unsigned internalformat); 27 28 // Overridden from gfx::GpuMemoryBuffer: 29 virtual void* Map() OVERRIDE; 30 virtual void Unmap() OVERRIDE; 31 virtual gfx::GpuMemoryBufferHandle GetHandle() const OVERRIDE; 32 virtual uint32 GetStride() const OVERRIDE; 33 34 private: 35 GpuMemoryBufferImplSurfaceTexture( 36 const gfx::Size& size, 37 unsigned internalformat, 38 const DestructionCallback& callback, 39 const gfx::SurfaceTextureId& surface_texture_id, 40 ANativeWindow* native_window); 41 virtual ~GpuMemoryBufferImplSurfaceTexture(); 42 43 gfx::SurfaceTextureId surface_texture_id_; 44 ANativeWindow* native_window_; 45 size_t stride_; 46 47 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplSurfaceTexture); 48 }; 49 50 } // namespace content 51 52 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_ 53
