components/mus/gles2/mojo_buffer_backing.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 COMPONENTS_MUS_GLES2_MOJO_BUFFER_BACKING_H_
   6 #define COMPONENTS_MUS_GLES2_MOJO_BUFFER_BACKING_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "gpu/command_buffer/common/buffer.h"
  11 #include "third_party/mojo/src/mojo/public/cpp/system/core.h"
  12
  13 namespace gles2 {
  14
  15 class MojoBufferBacking : public gpu::BufferBacking {
  16  public:
  17   MojoBufferBacking(mojo::ScopedSharedBufferHandle handle,
  18                     void* memory,
  19                     size_t size);
  20   ~MojoBufferBacking() override;
  21
  22   static scoped_ptr<gpu::BufferBacking> Create(
  23       mojo::ScopedSharedBufferHandle handle,
  24       size_t size);
  25
  26   void* GetMemory() const override;
  27   size_t GetSize() const override;
  28
  29  private:
  30   mojo::ScopedSharedBufferHandle handle_;
  31   void* memory_;
  32   size_t size_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(MojoBufferBacking);
  35 };
  36
  37 }  // namespace gles2
  38
  39 #endif  // COMPONENTS_MUS_GLES2_MOJO_BUFFER_BACKING_H_