Fix oversampled font artifacts after resize

Font update after resize relies on the viewport size which was updated
after the font was already refreshed, which resulted in artifacts when
it was rendered into the actual/new viewport size.

Fixes #15173.

1 files changed, 3 insertions, 3 deletions

diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 12c3da78bd..037331dec1 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -498,14 +498,14 @@ bool SceneTree::idle(float p_time) {
 	Size2 win_size = Size2(OS::get_singleton()->get_video_mode().width, OS::get_singleton()->get_video_mode().height);
 	if (win_size != last_screen_size) {
 
+		last_screen_size = win_size;
+		_update_root_rect();
+
 		if (use_font_oversampling) {
 			DynamicFontAtSize::font_oversampling = OS::get_singleton()->get_window_size().width / root->get_visible_rect().size.width;
 			DynamicFont::update_oversampling();
 		}
 
-		last_screen_size = win_size;
-		_update_root_rect();
-
 		emit_signal("screen_resized");
 	}