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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 CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
#define CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
#include "base/callback.h"
#include "content/common/content_export.h"
#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
namespace content {
class GpuMemoryBufferImpl;
class CONTENT_EXPORT BrowserGpuMemoryBufferManager
: public gpu::GpuMemoryBufferManager {
public:
typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
AllocationCallback;
explicit BrowserGpuMemoryBufferManager(int gpu_client_id);
~BrowserGpuMemoryBufferManager() override;
static BrowserGpuMemoryBufferManager* current();
// Overridden from gpu::GpuMemoryBufferManager:
scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format,
gfx::GpuMemoryBuffer::Usage usage) override;
gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
ClientBuffer buffer) override;
void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
uint32 sync_point) override;
void AllocateGpuMemoryBufferForChildProcess(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format,
gfx::GpuMemoryBuffer::Usage usage,
base::ProcessHandle child_process_handle,
int child_client_id,
const AllocationCallback& callback);
void ChildProcessDeletedGpuMemoryBuffer(
gfx::GpuMemoryBufferType type,
gfx::GpuMemoryBufferId id,
base::ProcessHandle child_process_handle,
int child_client_id,
uint32 sync_point);
void ProcessRemoved(base::ProcessHandle process_handle);
private:
struct AllocateGpuMemoryBufferRequest;
static void AllocateGpuMemoryBufferOnIO(
AllocateGpuMemoryBufferRequest* request);
static void GpuMemoryBufferCreatedOnIO(
AllocateGpuMemoryBufferRequest* request,
scoped_ptr<GpuMemoryBufferImpl> buffer);
int gpu_client_id_;
};
} // namespace content
#endif // CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
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