rom/graphics/disposeregion.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function DisposeRegion()
   6     Lang: english
   7 */
   8 #include <aros/debug.h>
   9 #include "graphics_intern.h"
  10 #include <proto/exec.h>
  11 #include <proto/graphics.h>
  12 #include <graphics/regions.h>
  13 #include "intregions.h"
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18 #include <clib/graphics_protos.h>
  19
  20         AROS_LH1(void, DisposeRegion,
  21
  22 /*  SYNOPSIS */
  23         AROS_LHA(struct Region *, region, A0),
  24
  25 /*  LOCATION */
  26         struct GfxBase *, GfxBase, 89, Graphics)
  27
  28 /*  FUNCTION
  29         Frees all memory allocated by this region, including its
  30         RegionRectangles.
  31
  32     INPUTS
  33         region - pointer to a Region structure
  34
  35     RESULT
  36         None.
  37
  38     NOTES
  39
  40     EXAMPLE
  41
  42     BUGS
  43
  44     SEE ALSO
  45         NewRegion()
  46
  47     INTERNALS
  48
  49     HISTORY
  50         27-11-96    digulla automatically created from
  51                             graphics_lib.fd and clib/graphics_protos.h
  52         15-01-97    mreckt  initial version
  53
  54 *****************************************************************************/
  55 {
  56     AROS_LIBFUNC_INIT
  57
  58     ASSERT_VALID_PTR(region);
  59
  60     ClearRegion(region);
  61
  62 #if REGIONS_USE_MEMPOOL
  63     ObtainSemaphore(&PrivGBase(GfxBase)->regionsem);
  64     FreePooled(PrivGBase(GfxBase)->regionpool, region, sizeof(struct Region));
  65     ReleaseSemaphore(&PrivGBase(GfxBase)->regionsem);
  66 #else
  67     FreeMem(region, sizeof(struct Region));
  68 #endif
  69
  70     AROS_LIBFUNC_EXIT
  71
  72 } /* DisposeRegion */