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[PATCH] SDL_GetVideoMode() do not find the best video mode The current GetVideoMode() function stops at the first mode which has any dimensions smaller than the one asked, and gives the previous in the list. If I ask 336x224 with this list: 768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200 SDL will give me 640x400, because 640x200 as height smaller than what I asked. However the best mode is the smaller which has both dimensions bigger than the one asked (384x240 in my example). This patch fixes this, plus it does not rely on a sorted video mode list.
author Patrice Mandin <patmandin@gmail.com>
date Sun, 12 Jun 2005 16:12:55 +0000
parents b8d311d90021
children c9b51268668f
line wrap: on
line source

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id$";
#endif

#ifndef _RIVA_REGS_H
#define _RIVA_REGS_H

/* This information comes from the XFree86 NVidia hardware driver */

/* mapped_io register offsets */
#define PGRAPH_OFFSET	0x00400000
#define FIFO_OFFSET	0x00800000
#define ROP_OFFSET	FIFO_OFFSET+0x00000000
#define CLIP_OFFSET	FIFO_OFFSET+0x00002000
#define PATT_OFFSET	FIFO_OFFSET+0x00004000
#define PIXMAP_OFFSET	FIFO_OFFSET+0x00006000
#define BLT_OFFSET	FIFO_OFFSET+0x00008000
#define BITMAP_OFFSET	FIFO_OFFSET+0x0000A000
#define LINE_OFFSET	FIFO_OFFSET+0x0000C000
#define TRI03_OFFSET	FIFO_OFFSET+0x0000E000
#define PCIO_OFFSET	0x00601000

#endif /* _RIVA_REGS_H */