| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Library General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Library General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Library General Public |
| 16 | License along with this library; if not, write to the Free |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* |
| 25 | Centscreen extension definitions |
| 26 | |
| 27 | Patrice Mandin |
| 28 | */ |
| 29 | |
| 30 | #include <mint/falcon.h> |
| 31 | |
| 32 | #include "SDL_xbios.h" |
| 33 | #include "SDL_xbios_centscreen.h" |
| 34 | |
| 35 | int SDL_XBIOS_ListCentscreenModes(_THIS, int actually_add) |
| 36 | { |
| 37 | centscreen_mode_t curmode, listedmode; |
| 38 | unsigned long result; |
| 39 | int cur_handle; /* Current Centscreen mode handle */ |
| 40 | |
| 41 | /* Add Centscreen modes */ |
| 42 | Vread(&curmode); |
| 43 | cur_handle = curmode.handle; |
| 44 | curmode.mode = curmode.physx = curmode.physy = curmode.plan = |
| 45 | curmode.logx = curmode.logy = -1; |
| 46 | |
| 47 | result = Vfirst(&curmode, &listedmode); |
| 48 | if (result==0) { |
| 49 | while (result==0) { |
| 50 | /* Don't add modes with virtual screen */ |
| 51 | if ((listedmode.mode & CSCREEN_VIRTUAL)==0) { |
| 52 | /* Don't add modes with bpp<8 */ |
| 53 | if (listedmode.plan>=8) { |
| 54 | xbiosmode_t modeinfo; |
| 55 | |
| 56 | modeinfo.number = listedmode.mode; |
| 57 | modeinfo.width = listedmode.physx; |
| 58 | modeinfo.height = listedmode.physy; |
| 59 | modeinfo.depth = listedmode.plan; |
| 60 | modeinfo.flags = (modeinfo.depth == 8 ? XBIOSMODE_C2P : 0); |
| 61 | |
| 62 | SDL_XBIOS_AddMode(this, actually_add, &modeinfo); |
| 63 | } |
| 64 | } |
| 65 | SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t)); |
| 66 | curmode.mode = curmode.physx = curmode.physy = curmode.plan = |
| 67 | curmode.logx = curmode.logy = -1; |
| 68 | result = Vnext(&curmode, &listedmode); |
| 69 | } |
| 70 | } else { |
| 71 | fprintf(stderr, "No suitable Centscreen modes\n"); |
| 72 | } |
| 73 | |
| 74 | return cur_handle; |
| 75 | } |
| 76 | |
| 77 | void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes) |
| 78 | { |
| 79 | centscreen_mode_t newmode, curmode; |
| 80 | |
| 81 | newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1; |
| 82 | newmode.physx = width; |
| 83 | newmode.physy = height; |
| 84 | newmode.plan = planes; |
| 85 | Vwrite(0, &newmode, &curmode); |
| 86 | |
| 87 | #ifdef SDL_VIDEO_DISABLE_SCREENSAVER |
| 88 | /* Disable screensaver */ |
| 89 | Vread(&newmode); |
| 90 | newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR); |
| 91 | Vwrite(0, &newmode, &curmode); |
| 92 | #endif /* SDL_VIDEO_DISABLE_SCREENSAVER */ |
| 93 | } |
| 94 | |
| 95 | void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle) |
| 96 | { |
| 97 | centscreen_mode_t newmode, curmode; |
| 98 | |
| 99 | /* Restore old video mode */ |
| 100 | newmode.handle = prev_handle; |
| 101 | newmode.mode = newmode.physx = newmode.physy = newmode.plan = |
| 102 | newmode.logx = newmode.logy = -1; |
| 103 | Vwrite(0, &newmode, &curmode); |
| 104 | } |