# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1588981952 25200
# Node ID 3701517d852c51a28690daeaf3785626a311eb52
# Parent  04b79a725b7f6deb1b778a99d38adb59996f921c
Avoid expensive re-init from switching to external sync after render_init has been called

diff -r 04b79a725b7f -r 3701517d852c blastem.c
--- a/blastem.c	Fri May 08 16:38:58 2020 -0700
+++ b/blastem.c	Fri May 08 16:52:32 2020 -0700
@@ -639,6 +639,9 @@
 		fullscreen = !fullscreen;
 	}
 	if (!headless) {
+		if (reader_addr) {
+			render_set_external_sync(1);
+		}
 		render_init(width, height, "BlastEm", fullscreen);
 		render_set_drag_drop_handler(on_drag_drop);
 	}
diff -r 04b79a725b7f -r 3701517d852c render_sdl.c
--- a/render_sdl.c	Fri May 08 16:38:58 2020 -0700
+++ b/render_sdl.c	Fri May 08 16:52:32 2020 -0700
@@ -265,7 +265,10 @@
 {
 	if (ext_sync_on != external_sync) {
 		external_sync = ext_sync_on;
-		render_config_updated();
+		if (windowed_width) {
+			//only do this if render_init has already been called
+			render_config_updated();
+		}
 	}
 }