Description: add config file 
Author: Loongson <service@loongnix.cn>

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Origin: (upstream|backport|vendor|other), (<patch-url>|commit:<commit-id>)
Bug: <upstream-bugtracker-url>
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Last-Update: 2026-06-29

--- /dev/null
+++ picom-12.5/\
@@ -0,0 +1 @@
+backend = "xrender"
--- picom-12.5.orig/meson.build
+++ picom-12.5/meson.build
@@ -111,6 +111,7 @@ subdir('tools')
 install_data('bin/picom-trans', install_dir: get_option('bindir'))
 install_data('picom.desktop', install_dir: 'share/applications')
 install_data('picom.desktop', install_dir: get_option('sysconfdir') / 'xdg' / 'autostart')
+install_data('picom.conf', install_dir: get_option('sysconfdir') / 'xdg')
 
 pkgconf = import('pkgconfig')
 
--- /dev/null
+++ picom-12.5/picom.conf
@@ -0,0 +1 @@
+backend = "xrender"
