From a5e422020ee2a3a6695581698b361222fb4ae0e9 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Fri, 9 Apr 2010 20:03:18 +0000
Subject: [PATCH] - fixed: Two stage texture compositing did not clear the
 intermediate buffer before using it.

SVN r2277 (trunk)
---
 src/textures/multipatchtexture.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/textures/multipatchtexture.cpp b/src/textures/multipatchtexture.cpp
index faaa5db6c..0e4b9bc8f 100644
--- a/src/textures/multipatchtexture.cpp
+++ b/src/textures/multipatchtexture.cpp
@@ -614,6 +614,7 @@ int FMultiPatchTexture::CopyTrueColorPixels(FBitmap *bmp, int x, int y, int rota
 			FBitmap bmp1;
 			if (bmp1.Create(Parts[i].Texture->GetWidth(), Parts[i].Texture->GetHeight()))
 			{
+				bmp1.Zero();
 				Parts[i].Texture->CopyTrueColorPixels(&bmp1, 0, 0);
 				bmp->CopyPixelDataRGB(x+Parts[i].OriginX, y+Parts[i].OriginY, bmp1.GetPixels(), 
 					bmp1.GetWidth(), bmp1.GetHeight(), 4, bmp1.GetPitch(), Parts[i].Rotate, CF_BGRA, inf);