ref: 8714b50435295dbf0683f706ed6a1b43e9b01a90
parent: bdd05b900149d799f2b2562f73432d125c86c3f7
author: Simon Howard <fraggle@gmail.com>
date: Thu May 25 16:18:19 EDT 2006
Add screenmultiply x4 mode. Subversion-branch: /trunk/chocolate-doom Subversion-revision: 526
--- a/src/i_video.c
+++ b/src/i_video.c
@@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
-// $Id: i_video.c 525 2006-05-24 22:51:36Z fraggle $
+// $Id: i_video.c 526 2006-05-25 20:18:19Z fraggle $
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
@@ -175,7 +175,7 @@
//-----------------------------------------------------------------------------
static const char
-rcsid[] = "$Id: i_video.c 525 2006-05-24 22:51:36Z fraggle $";
+rcsid[] = "$Id: i_video.c 526 2006-05-25 20:18:19Z fraggle $";
#include <SDL.h>
#include <ctype.h>
@@ -698,10 +698,9 @@
for (x=x1; x<x2; ++x)
{- *sp2++ = *bp;
- *sp2++ = *bp;
- *sp++ = *bp;
- *sp++ = *bp++;
+ *sp++ = *bp; *sp++ = *bp;
+ *sp2++ = *bp; *sp2++ = *bp;
+ ++bp;
}
screenp += pitch;
screenp2 += pitch;
@@ -726,7 +725,7 @@
+ (y1 + y_offset) * pitch
+ x1 * 3;
screenp2 = screenp + screen->pitch;
- screenp3 = screenp + screen->pitch * 2;
+ screenp3 = screenp2 + screen->pitch;
for (y=y1; y<y2; ++y)
{@@ -738,15 +737,9 @@
for (x=x1; x<x2; ++x)
{- *sp++ = *bp;
- *sp++ = *bp;
- *sp++ = *bp;
- *sp2++ = *bp;
- *sp2++ = *bp;
- *sp2++ = *bp;
- *sp3++ = *bp;
- *sp3++ = *bp;
- *sp3++ = *bp;
+ *sp++ = *bp; *sp++ = *bp; *sp++ = *bp;
+ *sp2++ = *bp; *sp2++ = *bp; *sp2++ = *bp;
+ *sp3++ = *bp; *sp3++ = *bp; *sp3++ = *bp;
++bp;
}
screenp += pitch;
@@ -758,7 +751,52 @@
SDL_UnlockSurface(screen);
}
}
-}
+
+ if (screenmultiply == 4)
+ {+ byte *bufp, *screenp, *screenp2, *screenp3, *screenp4;
+ int x, y;
+ int pitch;
+
+ if (SDL_LockSurface(screen) >= 0)
+ {+ pitch = screen->pitch * 4;
+ bufp = screens[0] + y1 * SCREENWIDTH + x1;
+ screenp = (byte *) screen->pixels
+ + (y1 + y_offset) * pitch
+ + x1 * 4;
+ screenp2 = screenp + screen->pitch;
+ screenp3 = screenp2 + screen->pitch;
+ screenp4 = screenp3 + screen->pitch;
+
+ for (y=y1; y<y2; ++y)
+ {+ byte *sp, *sp2, *sp3, *sp4, *bp;
+ sp = screenp;
+ sp2 = screenp2;
+ sp3 = screenp3;
+ sp4 = screenp4;
+ bp = bufp;
+
+ for (x=x1; x<x2; ++x)
+ {+ *sp++ = *bp; *sp++ = *bp; *sp++ = *bp; *sp++ = *bp;
+ *sp2++ = *bp; *sp2++ = *bp; *sp2++ = *bp; *sp2++ = *bp;
+ *sp3++ = *bp; *sp3++ = *bp; *sp3++ = *bp; *sp3++ = *bp;
+ *sp4++ = *bp; *sp4++ = *bp; *sp4++ = *bp; *sp4++ = *bp;
+ ++bp;
+ }
+ screenp += pitch;
+ screenp2 += pitch;
+ screenp3 += pitch;
+ screenp4 += pitch;
+ bufp += SCREENWIDTH;
+ }
+
+ SDL_UnlockSurface(screen);
+ }
+ }
+}
static void UpdateRect(int x1, int y1, int x2, int y2)
{@@ -1037,11 +1075,15 @@
{screenmultiply = 3;
}
+ else if (M_CheckParm("-4"))+ {+ screenmultiply = 4;
+ }
if (screenmultiply < 1)
screenmultiply = 1;
- if (screenmultiply > 3)
- screenmultiply = 3;
+ if (screenmultiply > 4)
+ screenmultiply = 4;
if (fullscreen)
{