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SDL_xbios_milan.h
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SDL_xbios_milan.h
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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"
/*
Milan Xbios video functions
Patrice Mandin
*/
#ifndef _SDL_xbios_milan_h
#define _SDL_xbios_milan_h
#include "SDL_xbios.h"
/*--- Defines ---*/
/* Cookies */
#ifndef C__MIL
#define C__MIL 0x5F4D494CL
#endif
#ifndef C__VDI
#define C__VDI 0x5F564449L
#endif
/* Vsetscreen() parameters */
#define MI_MAGIC 0x4D49
enum {
CMD_GETMODE=0,
CMD_SETMODE,
CMD_GETINFO,
CMD_ALLOCPAGE,
CMD_FREEPAGE,
CMD_FLIPPAGE,
CMD_ALLOCMEM,
CMD_FREEMEM,
CMD_SETADR,
CMD_ENUMMODES
};
enum {
ENUMMODE_EXIT=0,
ENUMMODE_CONT
};
enum {
BLK_ERR=0,
BLK_OK,
BLK_CLEARED
};
/* scrFlags */
#define SCRINFO_OK 1
/* scrClut */
#define NO_CLUT 0
#define HARD_CLUT 1
#define SOFT_CLUT 2
/* scrFormat */
#define INTERLEAVE_PLANES 0
#define STANDARD_PLANES 1
#define PACKEDPIX_PLANES 2
/* bitFlags */
#define STANDARD_BITS 1
#define FALCON_BITS 2
#define INTEL_BITS 8
/*--- Structures ---*/
typedef struct _scrblk {
unsigned long size; /* size of strukture */
unsigned long blk_status; /* status bits of blk */
unsigned long blk_start; /* Start Adress */
unsigned long blk_len; /* length of memblk */
unsigned long blk_x; /* x pos in total screen*/
unsigned long blk_y; /* y pos in total screen */
unsigned long blk_w; /* width */
unsigned long blk_h; /* height */
unsigned long blk_wrap; /* width in bytes */
} __attribute__((packed)) SCRMEMBLK;
typedef struct screeninfo {
unsigned long size; /* Size of structure */
unsigned long devID; /* device id number */
unsigned char name[64]; /* Friendly name of Screen */
unsigned long scrFlags; /* some Flags */
unsigned long frameadr; /* Adress of framebuffer */
unsigned long scrHeight; /* visible X res */
unsigned long scrWidth; /* visible Y res */
unsigned long virtHeight; /* virtual X res */
unsigned long virtWidth; /* virtual Y res */
unsigned long scrPlanes; /* color Planes */
unsigned long scrColors; /* # of colors */
unsigned long lineWrap; /* # of Bytes to next line */
unsigned long planeWarp; /* # of Bytes to next plane */
unsigned long scrFormat; /* screen Format */
unsigned long scrClut; /* type of clut */
unsigned long redBits; /* Mask of Red Bits */
unsigned long greenBits; /* Mask of Green Bits */
unsigned long blueBits; /* Mask of Blue Bits */
unsigned long alphaBits; /* Mask of Alpha Bits */
unsigned long genlockBits;/* Mask of Genlock Bits */
unsigned long unusedBits; /* Mask of unused Bits */
unsigned long bitFlags; /* Bits organisation flags */
unsigned long maxmem; /* max. memory in this mode */
unsigned long pagemem; /* needed memory for one page */
unsigned long max_x; /* max. possible width */
unsigned long max_y; /* max. possible heigth */
} __attribute__((packed)) SCREENINFO;
/*--- Functions prototypes ---*/
void SDL_XBIOS_ListMilanModes(_THIS, int actually_add);
#endif /* _SDL_xbios_milan_h */