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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h new file mode 100644 index 0000000..fce1326 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/xbios/SDL_xbios.h @@ -0,0 +1,131 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#ifndef _SDL_xbios_h +#define _SDL_xbios_h + +#include "SDL_stdinc.h" +#include "../SDL_sysvideo.h" + +/* Hidden "this" pointer for the video functions */ +#define _THIS SDL_VideoDevice *this + +/* TT video modes: 2 + Falcon RVB: 16 (could be *2 by adding PAL/NTSC modes) + Falcon VGA: 6 + ST low: 1 +*/ +#define SDL_NUMMODES 16 + +typedef struct +{ + Uint16 number; /* Video mode number */ + Uint16 width; /* Size */ + Uint16 height; + Uint16 depth; /* bits per plane */ + SDL_bool doubleline; /* Double the lines ? */ +} xbiosmode_t; + +/* Private display data */ +#define NUM_MODELISTS 2 /* 8 and 16 bits-per-pixel */ + +struct SDL_PrivateVideoData { + long cookie_vdo; + int old_video_mode; /* Old video mode before entering SDL */ + void *old_video_base; /* Old pointer to screen buffer */ + void *old_palette; /* Old palette */ + Uint32 old_num_colors; /* Nb of colors in saved palette */ + int num_modes; /* Number of xbios video modes */ + xbiosmode_t *mode_list; /* List of xbios video modes */ + + void *screens[2]; /* Pointers to aligned screen buffer */ + void *screensmem[2]; /* Pointers to screen buffer */ + void *shadowscreen; /* Shadow screen for c2p conversion */ + int doubleline; /* Double line mode ? */ + int frame_number; /* Number of frame for double buffer */ + int pitch; /* Destination line width for C2P */ + int width, height; /* Screen size for centered C2P */ + + SDL_bool centscreen; /* Centscreen extension present ? */ + + SDL_Rect *SDL_modelist[NUM_MODELISTS][SDL_NUMMODES+1]; + xbiosmode_t *videomodes[NUM_MODELISTS][SDL_NUMMODES+1]; +}; + +/* _VDO cookie values */ +enum { + VDO_ST=0, + VDO_STE, + VDO_TT, + VDO_F30 +}; + +/* Monitor types */ +enum { + MONITOR_MONO=0, + MONITOR_TV, + MONITOR_VGA, + MONITOR_RGB +}; + +/* EgetShift masks */ +#define ES_BANK 0x000f +#define ES_MODE 0x0700 +#define ES_GRAY 0x1000 +#define ES_SMEAR 0x8000 + +/* TT shifter modes */ +#define ST_LOW 0x0000 +#define ST_MED 0x0100 +#define ST_HIGH 0x0200 +#define TT_LOW 0x0700 +#define TT_MED 0x0300 +#define TT_HIGH 0x0600 + +/* Hidden structure -> variables names */ +#define SDL_modelist (this->hidden->SDL_modelist) +#define XBIOS_mutex (this->hidden->mutex) +#define XBIOS_cvdo (this->hidden->cookie_vdo) +#define XBIOS_oldpalette (this->hidden->old_palette) +#define XBIOS_oldnumcol (this->hidden->old_num_colors) +#define XBIOS_oldvbase (this->hidden->old_video_base) +#define XBIOS_oldvmode (this->hidden->old_video_mode) +#define XBIOS_nummodes (this->hidden->num_modes) +#define XBIOS_modelist (this->hidden->mode_list) +#define XBIOS_screens (this->hidden->screens) +#define XBIOS_screensmem (this->hidden->screensmem) +#define XBIOS_shadowscreen (this->hidden->shadowscreen) +#define XBIOS_videomodes (this->hidden->videomodes) +#define XBIOS_doubleline (this->hidden->doubleline) +#define XBIOS_fbnum (this->hidden->frame_number) +#define XBIOS_pitch (this->hidden->pitch) +#define XBIOS_width (this->hidden->width) +#define XBIOS_height (this->hidden->height) +#define XBIOS_centscreen (this->hidden->centscreen) + +/*--- Functions prototypes ---*/ + +void SDL_XBIOS_AddMode(_THIS, Uint16 modecode, Uint16 width, Uint16 height, + Uint16 depth, SDL_bool flags); + +#endif /* _SDL_xbios_h */ |