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From 17ea2947a24ed87df5a6842deb561b01c9643601 Mon Sep 17 00:00:00 2001
From: EL_File4138 <elfile4138@elfile4138.moe>
Date: Mon, 12 May 2025 00:48:35 +0200
Subject: [PATCH] fix: Fallback to X11 if lacks EGL support
This should fix #233. It's recurring and is hard to fix in the downstream package.
Fixing is trivial.
---
src/main.cpp | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/main.cpp b/src/main.cpp
index 65dbb4529c..c5d7e50ab1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -95,6 +95,18 @@ void AegisubApp::OnAssertFailure(const wxChar *file, int line, const wxChar *fun
AegisubApp::AegisubApp() {
// http://trac.wxwidgets.org/ticket/14302
wxSetEnv("UBUNTU_MENUPROXY", "0");
+
+ // Fallback to X11 if wxGTK implementation is build without Wayland EGL support
+ // Fix https://github.com/TypesettingTools/Aegisub/issues/233
+ #if defined(__WXGTK__) && !wxUSE_GLCANVAS_EGL
+ wxString xdg_session_type = wxGetenv("XDG_SESSION_TYPE");
+ wxString wayland_display = wxGetenv("WAYLAND_DISPLAY");
+
+ if (xdg_session_type == "wayland" || wayland_display.Contains("wayland")) {
+ wxSetEnv("GDK_BACKEND", "x11");
+ }
+ #endif
+
}
namespace {
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