зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.5 KiB
C++
53 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLContext.h"
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using namespace mozilla;
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/* static */ void
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WebGLContext::ContextLossCallbackStatic(nsITimer* timer, void* thisPointer)
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{
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(void)timer;
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WebGLContext* context = static_cast<WebGLContext*>(thisPointer);
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context->TerminateContextLossTimer();
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context->UpdateContextLossStatus();
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}
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void
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WebGLContext::RunContextLossTimer()
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{
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// If the timer was already running, don't restart it here. Instead,
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// wait until the previous call is done, then fire it one more time.
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// This is an optimization to prevent unnecessary
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// cross-communication between threads.
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if (mContextLossTimerRunning) {
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mRunContextLossTimerAgain = true;
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return;
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}
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mContextRestorer->InitWithFuncCallback(ContextLossCallbackStatic,
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static_cast<void*>(this),
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1000,
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nsITimer::TYPE_ONE_SHOT);
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mContextLossTimerRunning = true;
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mRunContextLossTimerAgain = false;
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}
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void
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WebGLContext::TerminateContextLossTimer()
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{
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if (!mContextLossTimerRunning)
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return;
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mContextRestorer->Cancel();
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mContextLossTimerRunning = false;
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if (mRunContextLossTimerAgain) {
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RunContextLossTimer();
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}
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}
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