From 3724b442fcd86483cdaa3fa5166a4dfd59341419 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Thu, 1 Jun 2017 18:28:17 +0100
Subject: [PATCH] Fixed blit thread hang with DirectDraw when blitting a zero
 line frame.

---
 src/win-ddraw.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/win-ddraw.cc b/src/win-ddraw.cc
index 9cecff8..2cd0864 100644
--- a/src/win-ddraw.cc
+++ b/src/win-ddraw.cc
@@ -123,7 +123,10 @@ static void ddraw_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
 //        pclog("Blit memtoscreen %i,%i %i %i %i,%i\n", x, y, y1, y2, w, h);
 
         if (h <= 0)
+        {
+                video_blit_complete();
                 return;
+        }
                 
         memset(&ddsd, 0, sizeof(ddsd));
         ddsd.dwSize = sizeof(ddsd);