1 files changed, 42 insertions, 0 deletions
diff --git a/source/kde/kde/patch/plasma-integration/52bd3c9c.patch b/source/kde/kde/patch/plasma-integration/52bd3c9c.patch
new file mode 100644
index 000000000..4a0112663
--- /dev/null
+++ b/source/kde/kde/patch/plasma-integration/52bd3c9c.patch
@@ -0,0 +1,42 @@
+From 52bd3c9cc2a78e2ba8d87e09e01706d309720a6f Mon Sep 17 00:00:00 2001
+From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+Date: Tue, 13 Sep 2022 11:41:03 +0300
+Subject: [PATCH] Bring back workaround for threaded render loop not working on
+ NVIDIA Wayland
+
+For more details, check QTBUG-95817. But to summarize it in a couple of
+words: a window will stop pushing buffers when it's resized and using
+threaded render loop.
+
+CCBUG: 455575
+---
+ src/platformtheme/qtquickrenderersettings.cpp | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/src/platformtheme/qtquickrenderersettings.cpp b/src/platformtheme/qtquickrenderersettings.cpp
+index db7ecb5..fa99d5c 100644
+--- a/src/platformtheme/qtquickrenderersettings.cpp
++++ b/src/platformtheme/qtquickrenderersettings.cpp
+@@ -69,6 +69,19 @@ void initializeRendererSessions()
+     if (!qEnvironmentVariableIsSet("QSG_RENDER_LOOP")) {
+         if (!s.renderLoop().isEmpty()) {
+             qputenv("QSG_RENDER_LOOP", s.renderLoop().toLatin1());
++        } else if (QGuiApplication::platformName() == QLatin1String("wayland")) {
++#if QT_CONFIG(opengl)
++            // Workaround for Bug 432062 / QTBUG-95817
++            QOffscreenSurface surface;
++            surface.create();
++            if (checkContext.makeCurrent(&surface)) {
++                const char *vendor = reinterpret_cast<const char *>(checkContext.functions()->glGetString(GL_VENDOR));
++                if (qstrcmp(vendor, "NVIDIA Corporation") == 0) {
++                    // Otherwise Qt Quick Windows break when resized
++                    qputenv("QSG_RENDER_LOOP", "basic");
++                }
++            }
++#endif
+         }
+     }
+ }
+-- 
+GitLab
+