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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 "base/memory/weak_ptr.h"
#include "base/trace_event/memory_dump_provider.h"
#include "content/common/content_export.h"
#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
namespace content {
class GpuMemoryBufferFactoryHost;
class GpuMemoryBufferImpl;
class CONTENT_EXPORT BrowserGpuMemoryBufferManager
: public gpu::GpuMemoryBufferManager,
public base::trace_event::MemoryDumpProvider {
public:
typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
AllocationCallback;
BrowserGpuMemoryBufferManager(
GpuMemoryBufferFactoryHost* gpu_memory_buffer_factory_host,
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;
// Overridden from base::trace_event::MemoryDumpProvider:
bool OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd) override;
// Virtual for testing.
virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBufferForScanout(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format,
int32 surface_id);
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::GpuMemoryBufferId id,
base::ProcessHandle child_process_handle,
int child_client_id,
uint32 sync_point);
void ProcessRemoved(base::ProcessHandle process_handle, int client_id);
private:
struct BufferInfo {
BufferInfo()
: format(gfx::GpuMemoryBuffer::RGBA_8888), type(gfx::EMPTY_BUFFER) {}
BufferInfo(const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format,
gfx::GpuMemoryBufferType type)
: size(size), format(format), type(type) {}
gfx::Size size;
gfx::GpuMemoryBuffer::Format format;
gfx::GpuMemoryBufferType type;
};
struct AllocateGpuMemoryBufferRequest;
scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBufferCommon(
const gfx::Size& size,
gfx::GpuMemoryBuffer::Format format,
gfx::GpuMemoryBuffer::Usage usage,
int32 surface_id);
void AllocateGpuMemoryBufferOnIO(AllocateGpuMemoryBufferRequest* request);
void GpuMemoryBufferAllocatedOnIO(AllocateGpuMemoryBufferRequest* request,
const gfx::GpuMemoryBufferHandle& handle);
void GpuMemoryBufferDeleted(gfx::GpuMemoryBufferId id,
int client_id,
uint32 sync_point);
void GpuMemoryBufferAllocatedForChildProcess(
int child_client_id,
const AllocationCallback& callback,
const gfx::GpuMemoryBufferHandle& handle);
GpuMemoryBufferFactoryHost* gpu_memory_buffer_factory_host_;
int gpu_client_id_;
typedef base::hash_map<gfx::GpuMemoryBufferId, BufferInfo> BufferMap;
typedef base::hash_map<int, BufferMap> ClientMap;
ClientMap clients_;
base::WeakPtrFactory<BrowserGpuMemoryBufferManager> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(BrowserGpuMemoryBufferManager);
};
} // namespace content
#endif // CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
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