rom/graphics/allocdbufinfo.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: English
   7 */
   8
   9 #include <exec/memory.h>
  10 #include <proto/exec.h>
  11 #include "graphics_intern.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17 #include <graphics/view.h>
  18
  19     AROS_LH1(struct DBufInfo *, AllocDBufInfo,
  20
  21 /*  SYNOPSIS */
  22
  23         AROS_LHA(struct ViewPort *, vp, A0),
  24
  25 /*  LOCATION */
  26
  27         struct GfxBase *, GfxBase, 161, Graphics)
  28
  29 /*  FUNCTION
  30
  31     Allocates a double buffering structure used by ChangeVPBitMap().
  32
  33     INPUTS
  34
  35     vp  -  pointer to a ViewPort
  36
  37     RESULTS
  38
  39     Returns NULL if there wasn't enough memory (or if the viewport doesn't
  40     support double buffering).
  41
  42     NOTES
  43
  44     EXAMPLE
  45
  46     BUGS
  47
  48     SEE ALSO
  49
  50     INTERNALS
  51
  52     Which ViewPorts doesn't support double buffering?
  53
  54     HISTORY
  55
  56 ******************************************************************************/
  57
  58 {
  59     AROS_LIBFUNC_INIT
  60
  61     return (struct DBufInfo *)AllocMem(MEMF_ANY | MEMF_CLEAR,
  62                                        sizeof(struct DBufInfo));
  63
  64     AROS_LIBFUNC_EXIT
  65 } /* AllocDBufInfo */
  66