rom/graphics/modenotavailable.c

   1 /*
   2     Copyright © 1995-2010, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function ModeNotAvailable()
   6     Lang: english
   7 */
   8 #include <graphics/displayinfo.h>
   9 #include <graphics/modeid.h>
  10
  11 #include "graphics_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <proto/graphics.h>
  17
  18         AROS_LH1(ULONG, ModeNotAvailable,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(ULONG, modeID, D0),
  22
  23 /*  LOCATION */
  24         struct GfxBase *, GfxBase, 133, Graphics)
  25
  26 /*  FUNCTION
  27         returns an error code, indicating why this modeID is not available,
  28         or 0 if there is no reason known why this mode should not be there
  29
  30     INPUTS
  31         modeID - a 32 bit DisplayInfoRecord identifier
  32
  33     RESULT
  34         error - a general indication of why this modeID is not available,
  35                 or 0 if there is no reason why it should not be available
  36
  37     NOTES
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44         GetVPModeID(), graphics/displayinfo.h
  45
  46     INTERNALS
  47
  48     HISTORY
  49
  50
  51 ******************************************************************************/
  52 {
  53     AROS_LIBFUNC_INIT
  54
  55     struct DisplayInfo disp;
  56
  57     if (GetDisplayInfoData(NULL, (UBYTE *)&disp, sizeof(disp), DTAG_DISP, modeID) == sizeof(disp))
  58         return disp.NotAvailable;
  59
  60     /* FIXME: Is this correct ? */
  61     return DI_AVAIL_NOMONITOR;
  62
  63     AROS_LIBFUNC_EXIT
  64 } /* ModeNotAvailable */