From a2a63c5e7f03a16b84a2a705b026d996c0bae38b Mon Sep 17 00:00:00 2001
From: Sryder <sryder13@gmail.com>
Date: Mon, 27 May 2019 22:03:17 +0100
Subject: [PATCH] Fix Post Processing in 64-bit Software 3P/4P
Vid_BlitLinearScreen didn't make sure that it was actually meant to be
copying the entire screen rows before doing it properly.
---
src/v_video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/v_video.c b/src/v_video.c
index 3dfea0418..a624878c6 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -292,7 +292,7 @@ void VID_BlitLinearScreen(const UINT8 *srcptr, UINT8 *destptr, INT32 width, INT3
#ifdef HAVE_VIDCOPY
VID_BlitLinearScreen_ASM(srcptr,destptr,width,height,srcrowbytes,destrowbytes);
#else
- if (srcrowbytes == destrowbytes)
+ if ((srcrowbytes == destrowbytes) && (srcrowbytes == (size_t)width))
M_Memcpy(destptr, srcptr, srcrowbytes * height);
else
{
--
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