blob: a23f7c72554ead90cdc08fcd178275bf121438dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// Copyright (c) 2012 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_SERVICE_TRANSFER_BUFFER_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
#include <set>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/containers/hash_tables.h"
#include "base/memory/ref_counted.h"
#include "base/trace_event/memory_dump_provider.h"
#include "gpu/command_buffer/common/command_buffer_shared.h"
namespace gpu {
namespace gles2 {
class MemoryTracker;
}
class GPU_EXPORT TransferBufferManagerInterface :
public base::RefCounted<TransferBufferManagerInterface> {
public:
virtual bool RegisterTransferBuffer(int32 id,
scoped_ptr<BufferBacking> buffer) = 0;
virtual void DestroyTransferBuffer(int32 id) = 0;
virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0;
protected:
friend class base::RefCounted<TransferBufferManagerInterface>;
virtual ~TransferBufferManagerInterface();
};
class GPU_EXPORT TransferBufferManager
: public TransferBufferManagerInterface,
public base::trace_event::MemoryDumpProvider {
public:
explicit TransferBufferManager(gles2::MemoryTracker* memory_tracker);
// Overridden from base::trace_event::MemoryDumpProvider:
bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) override;
bool Initialize();
bool RegisterTransferBuffer(
int32 id,
scoped_ptr<BufferBacking> buffer_backing) override;
void DestroyTransferBuffer(int32 id) override;
scoped_refptr<Buffer> GetTransferBuffer(int32 id) override;
private:
~TransferBufferManager() override;
typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap;
BufferMap registered_buffers_;
size_t shared_memory_bytes_allocated_;
gles2::MemoryTracker* memory_tracker_;
DISALLOW_COPY_AND_ASSIGN(TransferBufferManager);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
|
