From 9fb7f723cf2bcf840075e361d473f82015d42334 Mon Sep 17 00:00:00 2001
From: Samuli Piippo <samuli.piippo@qt.io>
Date: Wed, 29 Jan 2025 11:14:25 +0200
Subject: Support threaded rendering for Nvidia EGLStreams
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Compositor needs use Qt::AA_ShareOpenGLContexts application attribute
on NVidia boards.

Fixes: QTBUG-131870
Change-Id: Ic658da5b8ab1ac097a66085f5f53446a7039f7bd
Reviewed-by: Pasi Petäjäjärvi <pasi.petajajarvi@qt.io>
---
 main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.cpp b/main.cpp
index 105e42e..57f4ad1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -29,6 +29,9 @@ void displayHelp(const char *appName)
 
 int main(int argc, char **argv)
 {
+    // ShareOpenGLContexts is needed for using the threaded renderer
+    // on Nvidia EGLStreams
+    QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
     QGuiApplication app(argc, argv);
 
     QString appsRoot;
-- 
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