From c6b37e9809bb85e5a60b82aab9c532702719aa83 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 6 Oct 2022 15:08:59 +0900
Subject: [PATCH] internal/restorable: use pixelsForRestore only when restoring
 is needed

Updates #2375
---
 internal/restorable/image.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/restorable/image.go b/internal/restorable/image.go
index c9051012c..c2d3349da 100644
--- a/internal/restorable/image.go
+++ b/internal/restorable/image.go
@@ -493,7 +493,7 @@ func (i *Image) readPixelsFromGPU(graphicsDriver graphicsdriver.Graphics) error
 	}
 	if !r.Empty() {
 		var pix []byte
-		if r == image.Rect(0, 0, i.width, i.height) {
+		if needsRestoring() && i.needsRestoring() && r == image.Rect(0, 0, i.width, i.height) {
 			// pixelsForRestore can be reused as basePixels was invalidated.
 			if i.pixelsForRestore == nil {
 				i.pixelsForRestore = make([]byte, 4*r.Dx()*r.Dy())