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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
#define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
#include "base/memory/scoped_ptr.h"
#include "gpu/gpu_export.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace gpu {
class GPU_EXPORT GpuMemoryBufferManager {
public:
GpuMemoryBufferManager();
// Allocates a GpuMemoryBuffer that can be shared with another process.
virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage) = 0;
// Creates a GpuMemoryBuffer from existing handle.
virtual scoped_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBufferFromHandle(
const gfx::GpuMemoryBufferHandle& handle,
const gfx::Size& size,
gfx::BufferFormat format) = 0;
// Returns a GpuMemoryBuffer instance given a ClientBuffer. Returns NULL on
// failure.
virtual gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
ClientBuffer buffer) = 0;
// Associates destruction sync point with |buffer|.
virtual void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
uint32 sync_point) = 0;
protected:
virtual ~GpuMemoryBufferManager();
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_MANAGER_H_
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