From c7a8dc7bb9959f3822480f8fe00146ff7fcb3f30 Mon Sep 17 00:00:00 2001
From: Maganty Rushyendra <mrushyendra@yahoo.com.sg>
Date: Thu, 18 Jun 2020 16:38:45 +0800
Subject: [PATCH] Fix editor texture preview for certain specific dimensions

Ensures no error is issued when attempting to preview a resource that
may be scaled down to <1 pixel when resizing to fit the thumbnail.
---
 editor/plugins/editor_preview_plugins.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index 9cb167b41c3..2889cb50a02 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -127,7 +127,8 @@ Ref<Texture2D> EditorTexturePreviewPlugin::generate(const RES &p_from, const Siz
 	if (new_size.y > p_size.y) {
 		new_size = Vector2(new_size.x * p_size.y / new_size.y, p_size.y);
 	}
-	img->resize(new_size.x, new_size.y, Image::INTERPOLATE_CUBIC);
+	Vector2i new_size_i(MAX(1, (int)new_size.x), MAX(1, (int)new_size.y));
+	img->resize(new_size_i.x, new_size_i.y, Image::INTERPOLATE_CUBIC);
 
 	post_process_preview(img);