| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2004 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" |
| |
| /* |
| Centscreen extension definitions |
| |
| Patrice Mandin |
| */ |
| |
| #include <mint/falcon.h> |
| |
| #include "SDL_xbios.h" |
| #include "SDL_xbios_centscreen.h" |
| |
| int SDL_XBIOS_CentscreenInit(_THIS) |
| { |
| centscreen_mode_t curmode, listedmode; |
| unsigned long result; |
| int cur_handle; /* Current Centscreen mode handle */ |
| |
| /* Reset current mode list */ |
| if (XBIOS_modelist) { |
| SDL_free(XBIOS_modelist); |
| XBIOS_nummodes = 0; |
| XBIOS_modelist = NULL; |
| } |
| |
| /* Add Centscreen modes */ |
| Vread(&curmode); |
| cur_handle = curmode.handle; |
| curmode.mode = curmode.physx = curmode.physy = curmode.plan = |
| curmode.logx = curmode.logy = -1; |
| |
| result = Vfirst(&curmode, &listedmode); |
| if (result==0) { |
| while (result==0) { |
| /* Don't add modes with virtual screen */ |
| if ((listedmode.mode & CSCREEN_VIRTUAL)==0) { |
| /* Don't add modes with bpp<8 */ |
| if (listedmode.plan>=8) { |
| SDL_XBIOS_AddMode(this, listedmode.mode, listedmode.physx, |
| listedmode.physy, listedmode.plan, SDL_FALSE |
| ); |
| } |
| } |
| SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t)); |
| curmode.mode = curmode.physx = curmode.physy = curmode.plan = |
| curmode.logx = curmode.logy = -1; |
| result = Vnext(&curmode, &listedmode); |
| } |
| } else { |
| fprintf(stderr, "No suitable Centscreen modes\n"); |
| } |
| |
| return cur_handle; |
| } |
| |
| void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes) |
| { |
| centscreen_mode_t newmode, curmode; |
| |
| newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1; |
| newmode.physx = width; |
| newmode.physy = height; |
| newmode.plan = planes; |
| Vwrite(0, &newmode, &curmode); |
| |
| /* Disable screensaver */ |
| Vread(&newmode); |
| newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR); |
| Vwrite(0, &newmode, &curmode); |
| } |
| |
| void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle) |
| { |
| centscreen_mode_t newmode, curmode; |
| |
| /* Restore old video mode */ |
| newmode.handle = prev_handle; |
| newmode.mode = newmode.physx = newmode.physy = newmode.plan = |
| newmode.logx = newmode.logy = -1; |
| Vwrite(0, &newmode, &curmode); |
| } |