From 57a9f56e2cba50249ee8a96533c8baed47814f92 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Fri, 10 Dec 2010 23:56:32 +0000
Subject: Fix memory leak when dynamically resizing window in true color video
 modes.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2215
---
 src/i_video.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/i_video.c')

diff --git a/src/i_video.c b/src/i_video.c
index 488c08a0..ad4d7f39 100644
--- a/src/i_video.c
+++ b/src/i_video.c
@@ -97,7 +97,7 @@ static SDL_Surface *screen;
 // This is used when we are rendering in 32-bit screen mode.
 // When in a real 8-bit screen mode, screenbuffer == screen.
 
-static SDL_Surface *screenbuffer;
+static SDL_Surface *screenbuffer = NULL;
 
 // palette
 
@@ -1646,6 +1646,14 @@ static void SetVideoMode(screen_mode_t *mode, int w, int h)
 
     doompal = W_CacheLumpName(DEH_String("PLAYPAL"), PU_CACHE);
 
+    // If we are already running and in a true color mode, we need
+    // to free the screenbuffer surface before setting the new mode.
+
+    if (screenbuffer != NULL && screen != screenbuffer)
+    {
+        SDL_FreeSurface(screenbuffer);
+    }
+
     // Generate lookup tables before setting the video mode.
 
     if (mode != NULL && mode->InitMode != NULL)
-- 
cgit v1.2.3