From 3fe8ec27db4485889fe7bb2f136d78549c2f53e5 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Sun, 16 Jan 2005 22:13:01 +0000
Subject: [PATCH] don't convert the image if we have nothing else to do

---
 stepmania/src/SDL_rotozoom.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stepmania/src/SDL_rotozoom.cpp b/stepmania/src/SDL_rotozoom.cpp
index 57eb88fab0..8333c1480c 100644
--- a/stepmania/src/SDL_rotozoom.cpp
+++ b/stepmania/src/SDL_rotozoom.cpp
@@ -136,6 +136,9 @@ void RageSurfaceUtils::Zoom( RageSurface *&src, int dstwidth, int dstheight )
     if( src == NULL )
 		return;
 
+	if( src->w == dstwidth && src->h == dstheight )
+		return;
+
 	/* resize currently only does RGBA8888 */
 	if( src->fmt.BytesPerPixel != 4 )
 	{