miext/shadow/shalloc.c

   1 /*
   2  * Copyright © 2000 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of Keith Packard not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Keith Packard makes no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #ifdef HAVE_DIX_CONFIG_H
  24 #include <dix-config.h>
  25 #endif
  26
  27 #include    <X11/X.h>
  28 #include    "scrnintstr.h"
  29 #include    "windowstr.h"
  30 #include    <X11/fonts/font.h>
  31 #include    "dixfontstr.h"
  32 #include    <X11/fonts/fontstruct.h>
  33 #include    "mi.h"
  34 #include    "regionstr.h"
  35 #include    "globals.h"
  36 #include    "gcstruct.h"
  37 #include    "shadow.h"
  38
  39 void *
  40 shadowAlloc(int width, int height, int bpp)
  41 {
  42     int stride;
  43     void *fb;
  44
  45     /* Cant use PixmapBytePad -- the structure is probably not initialized yet */
  46     stride = BitmapBytePad(width * bpp);
  47     fb = malloc(stride * height);
  48     return fb;
  49 }