content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h

   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       Format format,
  21       const DestructionCallback& callback);
  22
  23   // Overridden from gfx::GpuMemoryBuffer:
  24   bool Map(void** data) override;
  25   void Unmap() override;
  26   gfx::GpuMemoryBufferHandle GetHandle() const override;
  27   void GetStride(int* stride) const override;
  28
  29  private:
  30   GpuMemoryBufferImplSurfaceTexture(gfx::GpuMemoryBufferId id,
  31                                     const gfx::Size& size,
  32                                     Format format,
  33                                     const DestructionCallback& callback,
  34                                     ANativeWindow* native_window);
  35   ~GpuMemoryBufferImplSurfaceTexture() override;
  36
  37   ANativeWindow* native_window_;
  38   size_t stride_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplSurfaceTexture);
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_SURFACE_TEXTURE_H_