int gr_check_mode(u_int32_t mode)
{
switch(mode)
{
case SM(320,100)://19:
case SM(320,200):
case SM(320,240):
case SM(360,200):
case SM(360,240):
case SM(376,282):
case SM(320,400):
case SM(320,480):
case SM(360,400):
case SM(360,480):
case SM(360,360):
case SM(376,308):
case SM(376,564): return gr_mode13_checkmode();
case SM(640,400): return gr_vesa_checkmode( 0x100 );
case SM(640,480): return gr_vesa_checkmode( 0x101 );
case SM(800,600): return gr_vesa_checkmode( 0x103 );
case SM(1024,768): return gr_vesa_setmode( 0x105 );
// case SM_640x480V15: return gr_vesa_setmode( 0x110 );
// case SM_800x600V15: return gr_vesa_setmode( 0x113 );
}
return 11;
}
main(int argc,char **argv)
{
int ret;
grs_bitmap my_bitmap;
ubyte my_palette[256*3];
ret = iff_read_bitmap(argv[1],&my_bitmap,BM_RGB15,&my_palette);
printf("ret = %d\n",ret);
if (ret == IFF_NO_ERROR) {
gr_vesa_setmode(0x110);
draw_ubitmap(0,0,&my_bitmap);
getch();
}
}
int gr_set_mode(u_int32_t mode)
{
int retcode;
unsigned int w,h,t,data, r;
//JOHNgr_disable_default_palette_loading();
#ifdef NOGRAPH
return 0;
#endif
switch(mode)
{
case SM_ORIGINAL:
return 0;
case SM(320,200)://0:
if (!isvga()) return 1;
gr_set_misc_mode(0x13);
w = 320; r = 320; h = 200; t=BM_LINEAR; data = (int)gr_video_memory;
break;
case SM(640,400)://SM_640x400V:
retcode = gr_vesa_setmode( 0x100 );
if (retcode !=0 ) return retcode;
w = 640; r = 640; h = 400; t=BM_SVGA; data = 0;
break;
case SM(640,480)://SM_640x480V:
retcode = gr_vesa_setmode( 0x101 );
if (retcode !=0 ) return retcode;
w = 640; r = 640; h = 480; t=BM_SVGA; data = 0;
break;
case SM(800,600)://SM_800x600V:
retcode = gr_vesa_setmode( 0x103 );
if (retcode !=0 ) return retcode;
w = 800; r = 800; h = 600; t=BM_SVGA; data = 0;
break;
case SM(1024,768)://SM_1024x768V:
retcode = gr_vesa_setmode( 0x105 );
if (retcode !=0 ) return retcode;
w = 1024; r = 1024; h = 768; t=BM_SVGA; data = 0;
break;
/* case SM_640x480V15:
retcode = gr_vesa_setmode( 0x110 );
if (retcode !=0 ) return retcode;
w = 640; r = 640*2; h=480; t=BM_SVGA15; data = 0;
break;
case SM_800x600V15:
retcode = gr_vesa_setmode( 0x113 );
if (retcode !=0 ) return retcode;
w = 800; r = 800*2; h=600; t=BM_SVGA15; data = 0;
break;*/
// case 19:
case SM(320,100):
if (!isvga()) return 1;
gr_set_misc_mode(0x13);
// {
// ubyte x;
// x = inp( 0x3c5 );
// x |= 8;
// outp( 0x3c5, x );
// }
gr_set_cellheight( 3 );
w = 320; r = 320; h = 100; t=BM_LINEAR; data = (int)gr_video_memory;
break;
/* case 20:
retcode = gr_vesa_setmode( 0x102 );
//gr_enable_default_palette_loading();
if (retcode !=0 ) return retcode;
gr_16_to_256();
gr_set_linear();
//gr_set_cellheight( 1 );
gr_vesa_setlogical( 400 );
w = 400; r = 400; h = 600; t=BM_SVGA; data = 0;
break;
case 21:
if (!isvga()) return 1;
gr_set_misc_mode(0xd);
gr_16_to_256();
gr_set_linear();
gr_set_cellheight( 3 );
w = 160; r = 160; h = 100; t=BM_LINEAR; data = (int)gr_video_memory;
break;
case //22: // 3dmax 320x400
if (!isvga()) return 1;
gr_set_3dbios_mode(0x31);
//w = 320; r = 320/4; h = 400; t=BM_MODEX; data = 0;
w = 320; r = 320; h = 400; t=BM_SVGA; data = 0;
break;*/
default:
if (!isvga()) return 1;
if (mode==SM(320,240))
w = gr_modex_setmode( 2 );
else if (mode==SM(320,400))
w = gr_modex_setmode( 6 );
else
Error("unhandled vid mode\n");
//gr_enable_default_palette_loading();
h = w & 0xffff; w = w >> 16; r = w / 4;t = BM_MODEX; data = 0;
break;
}
gr_palette_clear();
memset( grd_curscreen, 0, sizeof(grs_screen));
grd_curscreen->sc_mode = mode;
grd_curscreen->sc_w = w;
grd_curscreen->sc_h = h;
grd_curscreen->sc_aspect = fixdiv(grd_curscreen->sc_w*3,grd_curscreen->sc_h*4);
grd_curscreen->sc_canvas.cv_bitmap.bm_x = 0;
grd_curscreen->sc_canvas.cv_bitmap.bm_y = 0;
grd_curscreen->sc_canvas.cv_bitmap.bm_w = w;
grd_curscreen->sc_canvas.cv_bitmap.bm_h = h;
grd_curscreen->sc_canvas.cv_bitmap.bm_rowsize = r;
grd_curscreen->sc_canvas.cv_bitmap.bm_type = t;
grd_curscreen->sc_canvas.cv_bitmap.bm_data = (unsigned char *)data;
VGA_current_mode = mode;
gr_set_current_canvas(NULL);
//gr_enable_default_palette_loading();
// gamefont_choose_game_font(w,h);
return 0;
}
