rom/graphics/freevportcoplists.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function FreeVPortCopLists()
   6     Lang: english
   7 */
   8 #include <graphics/copper.h>
   9 #include <graphics/view.h>
  10 #include <proto/exec.h>
  11 #include "graphics_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <proto/graphics.h>
  17
  18         AROS_LH1(void, FreeVPortCopLists,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(struct ViewPort *, vp, A0),
  22
  23 /*  LOCATION */
  24         struct GfxBase *, GfxBase, 90, Graphics)
  25
  26 /*  FUNCTION
  27         Deallocate all memory associated with the CopList structures
  28         for display, color, sprite and the user copper list. The
  29         corresponding fields in this structure will be set to NULL.
  30
  31     INPUTS
  32         vp - pointer to a ViewPort structure
  33
  34     RESULT
  35
  36     NOTES
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43         graphics/view.h
  44
  45     INTERNALS
  46
  47     HISTORY
  48
  49 *****************************************************************************/
  50 {
  51   AROS_LIBFUNC_INIT
  52   AROS_LIBBASE_EXT_DECL(struct GfxBase *,GfxBase)
  53
  54   if (NULL != vp->DspIns)
  55   {
  56     FreeCopList(vp->DspIns);
  57     vp->DspIns = NULL;
  58   }
  59
  60   if (NULL != vp->SprIns)
  61   {
  62     FreeCopList(vp->SprIns);
  63     vp->SprIns = NULL;
  64   }
  65
  66   if (NULL != vp->ClrIns)
  67   {
  68     FreeCopList(vp->ClrIns);
  69     vp->ClrIns = NULL;
  70   }
  71
  72   if (NULL != vp->UCopIns)
  73   {
  74     if (NULL != vp->UCopIns->FirstCopList)
  75       FreeCopList(vp->UCopIns->FirstCopList);
  76
  77     FreeMem(vp->UCopIns, sizeof(struct UCopList));
  78     vp->UCopIns = NULL;
  79   }
  80
  81
  82   AROS_LIBFUNC_EXIT
  83 } /* FreeVPortCopLists */