view src/video/xbios/SDL_xbios_blowup.c @ 4347:38f22ed3a433 SDL-1.2

Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 6405314a7c07
children
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 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
*/
#include "SDL_config.h"

/*
	Blowup extension definitions

	Patrice Mandin
*/

#include <mint/falcon.h>

#include "SDL_xbios.h"
#include "SDL_xbios_blowup.h"

void SDL_XBIOS_ListBlowupModes(_THIS, int actually_add, blow_cookie_t *cookie_blow)
{
	int i, j, num_mode, bank;
	blow_mode_t *blow_mode;
	xbiosmode_t modeinfo;

	if (actually_add) {
		/* Set bit 15 for old modes */
		for (i=0;i<NUM_MODELISTS;i++) {
			if ( SDL_xbiosmode[i] != NULL ) {
				for ( j=0; SDL_xbiosmode[i][j]; ++j ) {
					SDL_xbiosmode[i][j]->number |= 1<<15;
				}
			}
		}
	}

	/* Add Blowup modes for 8 and 16 bpp */
	for (num_mode=3; num_mode<5; num_mode++) {
		bank = cookie_blow->num_mode[num_mode];
		blow_mode = &(cookie_blow->blowup_modes[num_mode+(bank*5)]);

		/* Check extended mode enabled */
		if (blow_mode->enabled == 0) {
			/* Check monitor needed for this mode */
			if ((blow_mode->monitor == cookie_blow->montype)
				|| ((blow_mode->monitor == MONITOR_TV)
					&& (cookie_blow->montype == MONITOR_RGB))
				|| ((blow_mode->monitor == MONITOR_RGB)
					&& (cookie_blow->montype == MONITOR_TV)))
			{
				/* we can use this extended mode */
				modeinfo.number = (num_mode == 3 ? BPS8 : BPS16);
				modeinfo.width = blow_mode->width + 1;
				modeinfo.height = blow_mode->height + 1;
				modeinfo.depth = (num_mode == 3 ? 8 : 16);
				modeinfo.flags = (modeinfo.depth == 8 ? XBIOSMODE_C2P : 0);

				SDL_XBIOS_AddMode(this, actually_add, &modeinfo);
			}
		}
	}
}