From cb67e0439a2a80ac0a0d35e6b128a9bd8ac2551b Mon Sep 17 00:00:00 2001
From: Henrik Rydgard <hrydgard@gmail.com>
Date: Sun, 27 Jan 2013 10:43:21 +0100
Subject: [PATCH] Don't try to resize the display if the window size didn't
 change.

---
 Windows/WndMainWindow.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Windows/WndMainWindow.cpp b/Windows/WndMainWindow.cpp
index b5bd9615f1..36866ce5c2 100644
--- a/Windows/WndMainWindow.cpp
+++ b/Windows/WndMainWindow.cpp
@@ -121,9 +121,13 @@ namespace MainWindow
 	void ResizeDisplay() {
 		RECT rc;
 		GetClientRect(hwndMain, &rc);
-		MoveWindow(hwndDisplay, 0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, TRUE);
+
+		if ((rc.right - rc.left) == PSP_CoreParameter().pixelWidth &&
+			(rc.bottom - rc.top) == PSP_CoreParameter().pixelHeight)
+			return;
 		PSP_CoreParameter().pixelWidth = rc.right - rc.left;
 		PSP_CoreParameter().pixelHeight = rc.bottom - rc.top;
+		MoveWindow(hwndDisplay, 0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, TRUE);
 
 		// round up to a zoom factor for the render size.
 		int zoom = (rc.right - rc.left + 479) / 480;