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1 // Copyright (c) 2012 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 CONTENT_PUBLIC_COMMON_GPU_MEMORY_STATS_H_
6 #define CONTENT_PUBLIC_COMMON_GPU_MEMORY_STATS_H_
7 
8 // Provides access to the GPU information for the system
9 // on which chrome is currently running.
10 
11 #include <map>
12 
13 #include "base/basictypes.h"
14 #include "base/process/process.h"
15 #include "content/common/content_export.h"
16 
17 namespace content {
18 
19 struct CONTENT_EXPORT GPUVideoMemoryUsageStats {
20   GPUVideoMemoryUsageStats();
21   ~GPUVideoMemoryUsageStats();
22 
23   struct CONTENT_EXPORT ProcessStats {
24     ProcessStats();
25     ~ProcessStats();
26 
27     // The bytes of GPU resources accessible by this process
28     size_t video_memory;
29 
30     // Set to true if this process' GPU resource count is inflated because
31     // it is counting other processes' resources (e.g, the GPU process has
32     // duplicate set to true because it is the aggregate of all processes)
33     bool has_duplicates;
34   };
35   typedef std::map<base::ProcessId, ProcessStats> ProcessMap;
36 
37   // A map of processes to their GPU resource consumption
38   ProcessMap process_map;
39 
40   // The total amount of GPU memory allocated at the time of the request.
41   size_t bytes_allocated;
42 
43   // The maximum amount of GPU memory ever allocated at once.
44   size_t bytes_allocated_historical_max;
45 };
46 
47 }  // namespace content
48 
49 #endif  // CONTENT_PUBLIC_COMMON_GPU_MEMORY_STATS_H_
50