From 224ca96c57284ffd2a58fcc9803c8d3f1b5424f6 Mon Sep 17 00:00:00 2001
From: volzhs <volzhs@gmail.com>
Date: Tue, 29 May 2018 14:13:05 +0900
Subject: [PATCH] Fix index out of size error of image.cpp

---
 editor/plugins/editor_preview_plugins.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index ac4166bb98d..d065a756b47 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -97,6 +97,7 @@ Ref<Texture> EditorTexturePreviewPlugin::generate(const RES &p_from) {
 	if (img.is_null() || img->empty())
 		return Ref<Texture>();
 
+	img = img->duplicate();
 	img->clear_mipmaps();
 
 	int thumbnail_size = EditorSettings::get_singleton()->get("filesystem/file_dialog/thumbnail_size");