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