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 GpuMemoryBufferImplSurfaceTexture(const gfx::Size& size, 18 unsigned internalformat); 19 virtual ~GpuMemoryBufferImplSurfaceTexture(); 20 21 static bool IsFormatSupported(unsigned internalformat); 22 static bool IsUsageSupported(unsigned usage); 23 static bool IsConfigurationSupported(unsigned internalformat, unsigned usage); 24 static int WindowFormat(unsigned internalformat); 25 26 bool InitializeFromHandle(gfx::GpuMemoryBufferHandle handle); 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 gfx::SurfaceTextureId surface_texture_id_; 36 ANativeWindow* native_window_; 37 size_t stride_; 38 39 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplSurfaceTexture); 40 }; 41 42 } // namespace content 43 44 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_ 45