gpu/command_buffer/common/time.h

   1 // Copyright (c) 2011 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 GPU_COMMAND_BUFFER_COMMON_TIME_H_
   6 #define GPU_COMMAND_BUFFER_COMMON_TIME_H_
   7
   8 #if !defined(__native_client__)
   9
  10 #include "base/time/time.h"
  11
  12 namespace gpu {
  13
  14 inline uint64 MicrosecondsSinceOriginOfTime() {
  15   return (base::TimeTicks::HighResNow() - base::TimeTicks()).InMicroseconds();
  16 }
  17
  18 } // namespace gpu
  19
  20 #else
  21
  22 namespace gpu {
  23
  24 inline uint64 MicrosecondsSinceOriginOfTime() {
  25   return 0;
  26 }
  27
  28 } // namespace gpu
  29
  30 #endif  // __native_client__
  31
  32 #endif  // GPU_COMMAND_BUFFER_COMMON_TIME_H_