From 301bedd5d4ae303d19dffb07380590e885e6fca6 Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Thu, 29 Apr 2021 23:27:52 +0300
Subject: [PATCH] Duplicate DynamicFontData resources in the editor preview
 generation thread to avoid race condition.

---
 editor/plugins/editor_preview_plugins.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index f24feae7e70..647dd6b6e42 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -838,14 +838,15 @@ Ref<Texture> EditorFontPreviewPlugin::generate_from_path(const String &p_path, c
 	ril.ptr()->wait();
 	RES res = ril.ptr()->get_resource();
 	Ref<DynamicFont> sampled_font;
+	sampled_font.instance();
 	if (res->is_class("DynamicFont")) {
-		sampled_font = res->duplicate();
-		if (sampled_font->get_outline_color() == Color(1, 1, 1, 1)) {
-			sampled_font->set_outline_color(Color(0, 0, 0, 1));
+		Ref<DynamicFont> font = res;
+		sampled_font->set_font_data(font->get_font_data()->duplicate());
+		for (int i = 0; i < font->get_fallback_count(); i++) {
+			sampled_font->add_fallback(font->get_fallback(i)->duplicate());
 		}
 	} else if (res->is_class("DynamicFontData")) {
-		sampled_font.instance();
-		sampled_font->set_font_data(res);
+		sampled_font->set_font_data(res->duplicate());
 	}
 	sampled_font->set_size(50);