Mercurial > sdl-ios-xcode
diff src/video/xbios/SDL_xbios_milan.c @ 4195:13de8ea401db SDL-1.2
Start Milan video support
author | Patrice Mandin <patmandin@gmail.com> |
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date | Sat, 19 Sep 2009 13:21:05 +0000 |
parents | |
children | 89c7562eae9b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/xbios/SDL_xbios_milan.c Sat Sep 19 13:21:05 2009 +0000 @@ -0,0 +1,87 @@ +/* + 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 +*/ + +#include <mint/cookie.h> + +#include "SDL_xbios.h" +#include "SDL_xbios_milan.h" + +#ifndef Validmode +#define Validmode(mode) \ + (short)trap_14_ww((short)0x5f,(short)(mode)) +#endif + +#define NUM_PREDEFINED_MODES 7 + +typedef struct { + Uint16 width, height; +} predefined_mode_t; + +static const predefined_mode_t mode_list[NUM_PREDEFINED_MODES]={ + {640,400}, + {640,480}, + {800,608}, + {1024,768}, + {1152,864}, + {1280,1024}, + {1600,1200} +}; + +static const Uint8 mode_bpp[4]={ + 8, 15, 16, 32 +}; + +void SDL_XBIOS_ListMilanModes(_THIS, int actually_add) +{ + int i; + + /* Read infos about current mode */ + + /* Read validated predefined modes */ + for (i=0; i<NUM_PREDEFINED_MODES; i++) { + int j; + Uint16 deviceid = 0x1000 + (i<<4); + + for (j=1; j<4; j++) { + if (Validmode(deviceid + j)) { + xbiosmode_t modeinfo; + + modeinfo.number = deviceid + j; + modeinfo.width = mode_list[i].width; + modeinfo.height = mode_list[i].height; + modeinfo.depth = mode_bpp[j-1]; + modeinfo.doubleline = SDL_FALSE; + + SDL_XBIOS_AddMode(this, actually_add, &modeinfo); + } + } + } + + /* Read custom created modes */ +}