James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 1 | // Copyright 2013 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 UI_GFX_FRAME_TIME_H |
| 6 | #define UI_GFX_FRAME_TIME_H |
| 7 | |
| 8 | #include "base/time/time.h" |
| 9 | #include "base/logging.h" |
| 10 | |
| 11 | namespace gfx { |
| 12 | |
| 13 | // FrameTime::Now() should be used to get timestamps with a timebase that |
| 14 | // is consistent across the graphics stack. |
| 15 | class FrameTime { |
| 16 | public: |
| 17 | static base::TimeTicks Now() { |
James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 18 | return base::TimeTicks::Now(); |
| 19 | } |
| 20 | |
James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 21 | static bool TimestampsAreHighRes() { |
| 22 | // This should really return base::TimeTicks::IsHighResNowFastAndReliable(); |
| 23 | // Returning false makes sure we are only using low-res timestamps until we |
| 24 | // use FrameTime everywhere we need to. See crbug.com/315334 |
| 25 | return false; |
| 26 | } |
| 27 | }; |
| 28 | |
| 29 | } |
| 30 | |
| 31 | #endif // UI_GFX_FRAME_TIME_H |