From 199d258577bcbe15b85722af5ff6975eb18b454f Mon Sep 17 00:00:00 2001
From: Sophie Herold <sophie@hemio.de>
Date: Sat, 2 Mar 2024 20:55:35 +0100
Subject: [PATCH] Change to "gl" as GSK default renderer

Due to performance reasons
<https://gitlab.gnome.org/GNOME/gtk/-/issues/6411>
---
 NEWS        | 5 +++++
 src/main.rs | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/NEWS b/NEWS
index a7c3b630..041912a0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+46.rc
+=====
+
+- Change to "gl" as GSK default renderer instead of "ngl" due to performance reasons
+
 46.beta.2
 =========
 
diff --git a/src/main.rs b/src/main.rs
index e1acc633..4da0c59f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -72,6 +72,12 @@ static GRESOURCE_BYTES: &[u8] =
     gvdb_macros::include_gresource_from_dir!("/org/gnome/Loupe", "data/resources");
 
 fn main() -> glib::ExitCode {
+    // Don't use ngl renderer by default due to performance reasons
+    // <https://gitlab.gnome.org/GNOME/gtk/-/issues/6411>
+    if std::env::var("GSK_RENDERER").map_or(true, |x| x.is_empty()) {
+        std::env::set_var("GSK_RENDERER", "gl");
+    }
+
     let mut log_builder = env_logger::builder();
     log_builder.format_timestamp_millis();
 
-- 
GitLab