File 0001-Don-t-white-list-recent-Mesa-versions-for-multithrea.patch of Package libqt5-qtbase
From 8a053986b4c43a133f6824f839bd78a476d183e3 Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fabian@ritter-vogt.de>
Date: Wed, 19 Feb 2020 11:42:06 +0100
Subject: [PATCH] Don't white-list recent Mesa versions for multithreading
It's not stable.
---
.../gl_integrations/xcb_glx/qglxintegration.cpp | 16 ----------------
1 file changed, 16 deletions(-)
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
index 75189a9c80..e328ea2d4b 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
@@ -764,22 +764,6 @@ void QGLXContext::queryDummyContext()
m_supportsThreading = false;
}
- if (mesaVersionStr) {
- // The issue was fixed in Xcb 1.11, but we can't check for that
- // at runtime, so instead assume it fixed with recent Mesa versions
- // released several years after the Xcb fix.
-#if QT_CONFIG(regularexpression)
- QRegularExpression versionTest(QStringLiteral("Mesa (\\d+)"));
- QRegularExpressionMatch result = versionTest.match(QString::fromLatin1(mesaVersionStr));
- int versionNr = 0;
- if (result.hasMatch())
- versionNr = result.captured(1).toInt();
- if (versionNr >= 17) {
- // White-listed
- m_supportsThreading = true;
- }
-#endif
- }
if (!m_supportsThreading) {
qCDebug(lcQpaGl).nospace() << "Multithreaded OpenGL disabled: "
"blacklisted vendor \"Mesa Project\"";
--
2.23.0