From 2d37e9fbc86254e20d6fd65c7461e6ff53e8bf1a Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 7 Jan 2023 16:46:59 +0100
Subject: [PATCH] Disable WS_EX_COMPOSITED for wxGLCanvas and its parent
 windows

OpenGL window can't be used inside a composited window as its contents
is never drawn at all with some video cards/drivers in this case (at
least nVidia ones).

Closes #23112.
---
 src/msw/glcanvas.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/msw/glcanvas.cpp b/src/msw/glcanvas.cpp
index 0f419543c6..47c9acd9e8 100644
--- a/src/msw/glcanvas.cpp
+++ b/src/msw/glcanvas.cpp
@@ -753,6 +753,8 @@ bool wxGLCanvas::Create(wxWindow *parent,
     if ( !CreateWindow(parent, id, pos, size, style, name) )
         return false;
 
+    MSWDisableComposited();
+
     // Choose a matching pixel format.
     // Need a PIXELFORMATDESCRIPTOR for SetPixelFormat()
     PIXELFORMATDESCRIPTOR pfd;