| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef WebBeginFrameArgs_h |
| #define WebBeginFrameArgs_h |
| |
| namespace blink { |
| |
| struct WebBeginFrameArgs { |
| WebBeginFrameArgs(double lastFrameTimeMonotonic, double deadline, double interval) |
| : lastFrameTimeMonotonic(lastFrameTimeMonotonic) |
| , deadline(deadline) |
| , interval(interval) |
| { } |
| |
| // TODO: Remove this constructor once Chromium has been updated. |
| WebBeginFrameArgs(double lastFrameTimeMonotonic) |
| : lastFrameTimeMonotonic(lastFrameTimeMonotonic) |
| , deadline(0) |
| , interval(0) |
| { } |
| |
| // FIXME: Upgrade the time in CLOCK_MONOTONIC values to use a TimeTick like |
| // class rather than a bare double. |
| |
| // FIXME: Extend this class to include the fields from Chrome |
| // BeginFrameArgs structure. |
| |
| // Time in CLOCK_MONOTONIC that is the most recent vsync time. |
| double lastFrameTimeMonotonic; |
| |
| // Time in CLOCK_MONOTONIC by which the renderer should finish producing the current frame. 0 means a deadline wasn't set. |
| double deadline; |
| |
| // Expected delta between two successive frame times. 0 if a regular interval isn't available. |
| double interval; |
| }; |
| |
| } // namespace blink |
| |
| #endif |
