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Revert "Use the default Qt render loop"

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This seems to cause 10+ second hangs at the StreamSegue spinner
when using the Qt5-based Snap on Ubuntu 24.04's Wayland session.

It's unclear if this is still an issue on Qt 6, but let's be
conservative and just revert it for now.

This reverts commit f57257cbfd.
This commit is contained in:
Cameron Gutman
2025-11-30 22:00:33 -06:00
parent 296387345d
commit 80b7a69cd2
1 changed files with 12 additions and 0 deletions
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12
app/main.cpp
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@@ -497,6 +497,18 @@ int main(int argc, char *argv[])
}
#endif
#if !defined(Q_OS_WIN32) || QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
// Moonlight requires the non-threaded renderer because we depend
// on being able to control the render thread by blocking in the
// main thread (and pumping events from the main thread when needed).
// That doesn't work with the threaded renderer which causes all
// sorts of odd behavior depending on the platform.
//
// NB: Windows defaults to the "windows" non-threaded render loop on
// Qt 5 and the threaded render loop on Qt 6.
qputenv("QSG_RENDER_LOOP", "basic");
#endif
#if defined(Q_OS_DARWIN) && defined(QT_DEBUG)
// Enable Metal valiation for debug builds
qputenv("MTL_DEBUG_LAYER", "1");