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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_COMMON_GPU_GPU_MEMORY_MANAGER_H_ | |
6 #define CONTENT_COMMON_GPU_GPU_MEMORY_MANAGER_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <list> | |
11 #include <map> | |
12 | |
13 #include "base/cancelable_callback.h" | |
14 #include "base/containers/hash_tables.h" | |
15 #include "base/gtest_prod_util.h" | |
16 #include "base/macros.h" | |
17 #include "base/memory/weak_ptr.h" | |
18 #include "content/common/content_export.h" | |
19 #include "gpu/command_buffer/common/gpu_memory_allocation.h" | |
20 #include "gpu/command_buffer/service/memory_tracking.h" | |
21 | |
22 namespace gpu { | |
23 struct VideoMemoryUsageStats; | |
24 } | |
25 | |
26 namespace content { | |
27 | |
28 class GpuChannelManager; | |
29 class GpuMemoryTrackingGroup; | |
30 | |
31 class CONTENT_EXPORT GpuMemoryManager : | |
32 public base::SupportsWeakPtr<GpuMemoryManager> { | |
33 public: | |
34 explicit GpuMemoryManager(GpuChannelManager* channel_manager); | |
35 ~GpuMemoryManager(); | |
36 | |
37 // Retrieve GPU Resource consumption statistics for the task manager | |
38 void GetVideoMemoryUsageStats( | |
39 gpu::VideoMemoryUsageStats* video_memory_usage_stats) const; | |
40 | |
41 GpuMemoryTrackingGroup* CreateTrackingGroup( | |
42 base::ProcessId pid, gpu::gles2::MemoryTracker* memory_tracker); | |
43 | |
44 uint64_t GetTrackerMemoryUsage(gpu::gles2::MemoryTracker* tracker) const; | |
45 | |
46 private: | |
47 friend class GpuMemoryManagerTest; | |
48 friend class GpuMemoryTrackingGroup; | |
49 friend class GpuMemoryManagerClientState; | |
50 | |
51 typedef std::map<gpu::gles2::MemoryTracker*, GpuMemoryTrackingGroup*> | |
52 TrackingGroupMap; | |
53 | |
54 // Send memory usage stats to the browser process. | |
55 void SendUmaStatsToHost(); | |
56 | |
57 // Get the current number of bytes allocated. | |
58 uint64_t GetCurrentUsage() const { return bytes_allocated_current_; } | |
59 | |
60 // GpuMemoryTrackingGroup interface | |
61 void TrackMemoryAllocatedChange(GpuMemoryTrackingGroup* tracking_group, | |
62 uint64_t old_size, | |
63 uint64_t new_size); | |
64 void OnDestroyTrackingGroup(GpuMemoryTrackingGroup* tracking_group); | |
65 bool EnsureGPUMemoryAvailable(uint64_t size_needed); | |
66 | |
67 GpuChannelManager* channel_manager_; | |
68 | |
69 // All context groups' tracking structures | |
70 TrackingGroupMap tracking_groups_; | |
71 | |
72 // The current total memory usage, and historical maximum memory usage | |
73 uint64_t bytes_allocated_current_; | |
74 uint64_t bytes_allocated_historical_max_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(GpuMemoryManager); | |
77 }; | |
78 | |
79 } // namespace content | |
80 | |
81 #endif // CONTENT_COMMON_GPU_GPU_MEMORY_MANAGER_H_ | |
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