content/public/common/gpu_memory_stats.h

   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_