gpu/command_buffer/client/gpu_memory_buffer_manager.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 GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
   6 #define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "gpu/gpu_export.h"
  10 #include "ui/gfx/geometry/size.h"
  11 #include "ui/gfx/gpu_memory_buffer.h"
  12
  13 namespace gpu {
  14
  15 class GPU_EXPORT GpuMemoryBufferManager {
  16  public:
  17   GpuMemoryBufferManager();
  18
  19   // Allocates a GpuMemoryBuffer that can be shared with another process.
  20   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
  21       const gfx::Size& size,
  22       gfx::BufferFormat format,
  23       gfx::BufferUsage usage) = 0;
  24
  25   // Returns a GpuMemoryBuffer instance given a ClientBuffer. Returns NULL on
  26   // failure.
  27   virtual gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
  28       ClientBuffer buffer) = 0;
  29
  30   // Associates destruction sync point with |buffer|.
  31   virtual void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
  32                                        uint32 sync_point) = 0;
  33
  34  protected:
  35   virtual ~GpuMemoryBufferManager();
  36 };
  37
  38 }  // namespace gpu
  39
  40 #endif  // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_