Mercurial > sdl-ios-xcode
view src/video/xbios/SDL_xbios_centscreen.c @ 2247:93994f65c74c
Removed hermes since it's LGPL and not compatible with a commercial license.
Prepping for using MMX and SSE intrinsics instead of inline assembly.
.. except for memcpy equivalents which only get faster if they can
exploit the parallelism of loading into multiple SIMD registers. :)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 15 Aug 2007 08:21:10 +0000 |
parents | 0e751c1f83f5 |
children | 99210400e8b9 |
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/* 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) { #if 0 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; #else return -1; #endif } void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes) { #if 0 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); #endif } void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle) { #if 0 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); #endif } /* vi: set ts=4 sw=4 expandtab: */