зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
1.3 KiB
C++
42 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "WebGLContextLossHandler.h"
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#include "WebGLContext.h"
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#include "base/message_loop.h"
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namespace mozilla {
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WebGLContextLossHandler::WebGLContextLossHandler(WebGLContext* const webgl)
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: mTimerIsScheduled(false) {
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const auto weak = WeakPtr<WebGLContext>(webgl);
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mRunnable = NS_NewRunnableFunction("WebGLContextLossHandler", [weak]() {
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const auto strong = RefPtr<WebGLContext>(weak);
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if (!strong) {
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return;
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}
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strong->CheckForContextLoss();
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});
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}
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WebGLContextLossHandler::~WebGLContextLossHandler() = default;
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////////////////////
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void WebGLContextLossHandler::RunTimer() {
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const uint32_t kDelayMS = 1000;
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MOZ_ASSERT(GetCurrentSerialEventTarget());
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// Only create a new task if one isn't already queued.
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if (mTimerIsScheduled.compareExchange(false, true)) {
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GetCurrentSerialEventTarget()->DelayedDispatch(do_AddRef(mRunnable),
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kDelayMS);
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}
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}
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void WebGLContextLossHandler::ClearTimer() { mTimerIsScheduled = false; }
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} // namespace mozilla
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