Beispiel #1
0
void gr_close ()
{
	if (gr_installed==1)
	{
		gr_installed = 0;
		free(grd_curscreen);
		gl_freecontext(screenbuffer);
		gl_freecontext(physicalscreen);
	}
}
Beispiel #2
0
int main(int argc, char *argv[])
{
    vga_init();
    
    if(argc>=2) {
        timescale=atoi(argv[1]);
        if(timescale<1)timescale=1;
    }

    VGAMODE = vga_getdefaultmode();
    if (VGAMODE == -1)
	VGAMODE = G320x200x256;	/* Default mode. */

    if (!vga_hasmode(VGAMODE)) {
	printf("Mode not available.\n");
	exit(-1);
    }
    VIRTUAL = 0;		/* No virtual screen. */
    if (vga_getmodeinfo(VGAMODE)->colors == 16 ||
	(vga_getmodeinfo(VGAMODE)->flags & IS_MODEX))
	/* These modes are supported indirectly by vgagl. */
	VIRTUAL = 1;

    if (VIRTUAL) {
	/* Create virtual screen. */
	gl_setcontextvgavirtual(VGAMODE);
	backscreen = gl_allocatecontext();
	gl_getcontext(backscreen);
    }
    vga_setmode(VGAMODE);
    gl_setcontextvga(VGAMODE);	/* Physical screen context. */
    physicalscreen = gl_allocatecontext();
    gl_getcontext(physicalscreen);
    if (COLORS == 256)
	gl_setrgbpalette();

	if(argc==3)sleep(2);

    test();

    /* Now do the same with clipping enabled. */
    gl_clearscreen(0);
    gl_setclippingwindow(WIDTH / 4, HEIGHT / 4, WIDTH - WIDTH / 4 - 1,
			 HEIGHT - HEIGHT / 4 - 1);

    test();

    gl_disableclipping();
    if (COLORS == 256)
	/* Show the logo if using 256 color mode. */
	logotest();

    getchar();

    if (VIRTUAL)
	gl_freecontext(backscreen);
    vga_setmode(TEXT);
    exit(0);
}
Beispiel #3
0
//! [2]
void SvgalibScreen::shutdownDevice()
{
    gl_freecontext(context);
    vga_setmode(TEXT);
}