content/canvas/src/WebGLContextLossTimer.cpp@6474c204b198 (annotated)
content/canvas/src/WebGLContextLossTimer.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "WebGLContext.h" |
| michael@0 | 7 | |
| michael@0 | 8 | using namespace mozilla; |
| michael@0 | 9 | |
| michael@0 | 10 | /* static */ void |
| michael@0 | 11 | WebGLContext::RobustnessTimerCallbackStatic(nsITimer* timer, void *thisPointer) { |
| michael@0 | 12 | static_cast<WebGLContext*>(thisPointer)->RobustnessTimerCallback(timer); |
| michael@0 | 13 | } |
| michael@0 | 14 | |
| michael@0 | 15 | void |
| michael@0 | 16 | WebGLContext::SetupContextLossTimer() { |
| michael@0 | 17 | // If the timer was already running, don't restart it here. Instead, |
| michael@0 | 18 | // wait until the previous call is done, then fire it one more time. |
| michael@0 | 19 | // This is an optimization to prevent unnecessary cross-communication |
| michael@0 | 20 | // between threads. |
| michael@0 | 21 | if (mContextLossTimerRunning) { |
| michael@0 | 22 | mDrawSinceContextLossTimerSet = true; |
| michael@0 | 23 | return; |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | mContextRestorer->InitWithFuncCallback(RobustnessTimerCallbackStatic, |
| michael@0 | 27 | static_cast<void*>(this), |
| michael@0 | 28 | 1000, |
| michael@0 | 29 | nsITimer::TYPE_ONE_SHOT); |
| michael@0 | 30 | mContextLossTimerRunning = true; |
| michael@0 | 31 | mDrawSinceContextLossTimerSet = false; |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | void |
| michael@0 | 35 | WebGLContext::TerminateContextLossTimer() { |
| michael@0 | 36 | if (mContextLossTimerRunning) { |
| michael@0 | 37 | mContextRestorer->Cancel(); |
| michael@0 | 38 | mContextLossTimerRunning = false; |
| michael@0 | 39 | } |
| michael@0 | 40 | } |
