view src/video/xbios/SDL_xbios_centscreen.c @ 3197:434ce3242e1c

Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +0000
parents 99210400e8b9
children
line wrap: on
line source

/*
    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"

/*
	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: */