rom/graphics/freevportcoplists.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function FreeVPortCopLists()
   6     Lang: english
   7 */
   8
   9 #include <aros/debug.h>
  10 #include <graphics/copper.h>
  11 #include <graphics/view.h>
  12 #include <hidd/graphics.h>
  13 #include <proto/exec.h>
  14 #include <proto/oop.h>
  15
  16 #include "graphics_intern.h"
  17 #include "gfxfuncsupport.h"
  18
  19 /*****************************************************************************
  20
  21     NAME */
  22 #include <proto/graphics.h>
  23
  24         AROS_LH1(void, FreeVPortCopLists,
  25
  26 /*  SYNOPSIS */
  27         AROS_LHA(struct ViewPort *, vp, A0),
  28
  29 /*  LOCATION */
  30         struct GfxBase *, GfxBase, 90, Graphics)
  31
  32 /*  FUNCTION
  33         Deallocate all memory associated with the CopList structures
  34         for display, color, sprite and the user copper list. The
  35         corresponding fields in this structure will be set to NULL.
  36
  37     INPUTS
  38         vp - pointer to a ViewPort structure
  39
  40     RESULT
  41
  42     NOTES
  43
  44     EXAMPLE
  45
  46     BUGS
  47
  48     SEE ALSO
  49         graphics/view.h
  50
  51     INTERNALS
  52
  53     HISTORY
  54
  55 *****************************************************************************/
  56 {
  57     AROS_LIBFUNC_INIT
  58
  59     struct ViewPortExtra *vpe;
  60
  61     vpe = (struct ViewPortExtra *)GfxLookUp(vp);
  62     D(bug("[FreeVPortCopLists] ViewPort 0x%p, ViewPortExtra 0x%p\n", vp, vpe));
  63     if (vpe)
  64     {
  65         /* Free the associated DriverData */
  66         struct HIDD_ViewPortData *vpd = VPE_DATA(vpe);
  67
  68         if (vpd)
  69         {
  70             /* Do driver-specific cleanup */
  71             HIDD_Gfx_CleanViewPort(VPE_DRIVER(vpe)->gfxhidd, vpd);
  72
  73             FreeMem(vpd, sizeof(struct HIDD_ViewPortData));
  74
  75             vpe->DriverData[0] = NULL;
  76         }
  77
  78         if (vpe->Flags & VPXF_FREE_ME)
  79         {
  80             D(bug("[FreeVPortCopLists] Freeing temporary ViewPortExtra\n"));
  81             GfxFree(&vpe->n);
  82         }
  83     }
  84
  85     AROS_LIBFUNC_EXIT
  86 } /* FreeVPortCopLists */