void ThreadedCompositor::runCompositingThread()
{
{
LockHolder locker(m_initializeRunLoopConditionLock);
m_compositingRunLoop = std::make_unique<CompositingRunLoop>([&] {
renderLayerTree();
});
m_scene = adoptRef(new CoordinatedGraphicsScene(this));
m_viewportController = std::make_unique<SimpleViewportController>(this);
m_initializeRunLoopCondition.notifyOne();
}
m_compositingRunLoop->runLoop().run();
m_compositingRunLoop->stopUpdates();
m_scene->purgeGLResources();
{
LockHolder locker(m_terminateRunLoopConditionLock);
m_compositingRunLoop = nullptr;
m_context = nullptr;
m_scene = nullptr;
m_terminateRunLoopCondition.notifyOne();
}
detachThread(m_threadIdentifier);
}
ThreadedCompositor::ThreadedCompositor(Client* client, WebPage& webPage, uint64_t nativeSurfaceHandle)
: m_client(client)
, m_nativeSurfaceHandle(nativeSurfaceHandle)
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
, m_displayRefreshMonitor(adoptRef(new WebKit::DisplayRefreshMonitor(*this)))
#endif
, m_compositingRunLoop(std::make_unique<CompositingRunLoop>([this] { renderLayerTree(); }))
{
m_clientRendersNextFrame.store(false);
m_coordinateUpdateCompletionWithClient.store(false);
m_compositingManager.establishConnection(webPage);
m_compositingRunLoop->performTaskSync([this, protectedThis = makeRef(*this)] {
m_scene = adoptRef(new CoordinatedGraphicsScene(this));
m_viewportController = std::make_unique<SimpleViewportController>(this);
#if PLATFORM(GTK)
m_scene->setActive(!!m_nativeSurfaceHandle);
#endif
});
}
void ThreadedCompositor::forceRepaint()
{
m_compositingRunLoop->performTaskSync([this, protectedThis = makeRef(*this)] {
renderLayerTree();
});
}
