/*

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"

/*

ScreenBlaster 3 definitions

Patrice Mandin

*/

#ifndef _SDL_xbios_sb3_h_

#define _SDL_xbios_sb3_h_

/*--- Defines ---*/

#ifndef C_SCPN

#define C_SCPN 0x5343504EL

#endif

#define SCPN_DEV_1BPP 0

#define SCPN_DEV_2BPP 1

#define SCPN_DEV_4BPP 2

#define SCPN_DEV_8BPP 3

#define SCPN_DEV_16BPP 4

extern const int SDL_XBIOS_scpn_planes_device[];

/*--- Types ---*/

typedef struct {

unsigned short virtual_width; /* Virtual screen width */

unsigned short virtual_height; /* Virtual screen height */

unsigned short visible_width; /* Visible width */

unsigned short visible_height; /* Visible height */

unsigned short h_pos; /* Horizontal position in virtual screen */

unsigned short v_pos; /* Vertical position in virtual screen */

unsigned short dummy;

unsigned long size; /* Size of screen in bytes */

unsigned short device; /* Device number to find planes = getRez() */

/* = Index in scpn_planes_device[] */

} __attribute__((packed)) scpn_screeninfo_t;

typedef struct {

unsigned long magic; /* just a BRA assembler jump */

unsigned short version;

void *dummy1;

unsigned short ptsout0_1;

unsigned short ptsout0_2;

unsigned short dummy3;

unsigned char date[8]; /* Date of program build */

unsigned char asm_string[30]; /* 10 times the 'ASM' string */

unsigned short dummy4;

scpn_screeninfo_t *screen_info;

unsigned short dummy6;

} __attribute__((packed)) scpn_cookie_t;

/*--- Function prototypes ---*/

int SDL_XBIOS_SB3Usable(scpn_cookie_t *cookie_scpn);

void SDL_XBIOS_ListSB3Modes(_THIS, int actually_add, scpn_cookie_t *cookie_scpn);

#endif /* _SDL_xbios_sb3_h_ */