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Revert "[platforms/x11/standalone] Use intel swap events by default"

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This reverts commit e7da4d65ec.

See: https://mail.kde.org/pipermail/kwin/2020-January/002999.html
This commit is contained in:
Roman Gilg 2020-01-09 18:06:03 +01:00
parent 63898fc569
commit 14702651b3
1 changed files with 2 additions and 3 deletions
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5
plugins/platforms/x11/standalone/glxbackend.cpp
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@ -207,10 +207,9 @@ void GlxBackend::init()
m_haveMESASwapControl = hasExtension(QByteArrayLiteral("GLX_MESA_swap_control"));
m_haveEXTSwapControl = hasExtension(QByteArrayLiteral("GLX_EXT_swap_control"));
// Allow to disable Intel swap event with env variable. There were problems in the past.
// See BUG 342582.
// only enable Intel swap event if env variable is set, see BUG 342582
if (hasExtension(QByteArrayLiteral("GLX_INTEL_swap_event")) &&
qgetenv("KWIN_USE_INTEL_SWAP_EVENT") != QByteArrayLiteral("0")) {
qgetenv("KWIN_USE_INTEL_SWAP_EVENT") == QByteArrayLiteral("1")) {
m_swapEventFilter = std::make_unique<SwapEventFilter>(window, glxWindow);
glXSelectEvent(display(), glxWindow, GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK);
}