xorg-server-1.4/hw/xfree86/xf4bpp/ppcGCstr.h

   1 /*
   2  * Copyright IBM Corporation 1987,1988,1989
   3  *
   4  * All Rights Reserved
   5  *
   6  * Permission to use, copy, modify, and distribute this software and its
   7  * documentation for any purpose and without fee is hereby granted,
   8  * provided that the above copyright notice appear in all copies and that
   9  * both that copyright notice and this permission notice appear in
  10  * supporting documentation, and that the name of IBM not be
  11  * used in advertising or publicity pertaining to distribution of the
  12  * software without specific, written prior permission.
  13  *
  14  * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  15  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  16  * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  17  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  18  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  19  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  20  * SOFTWARE.
  21  *
  22 */
  23
  24 #ifdef HAVE_XORG_CONFIG_H
  25 #include <xorg-config.h>
  26 #endif
  27
  28 #include "gc.h"
  29 #include "mfb.h"
  30
  31 typedef struct {
  32     unsigned long       planemask ;
  33     unsigned long       fgPixel ;
  34     unsigned long       bgPixel ;
  35     int                 alu ;
  36     int                 fillStyle ;
  37     } ppcReducedRrop ;
  38
  39 /* ************************************************************************ */
  40
  41 /* private field of GC */
  42 typedef struct {
  43 /* The next five (5) fields MUST CORRESPOND to
  44  * the fields of a "mfbPrivGC" struct
  45  * ----- BEGINNING OF "DO-NOT-CHANGE" REGION -----
  46  */
  47     unsigned char       rop ;           /* reduction of rasterop to 1 of 3 */
  48     unsigned char       ropOpStip ;     /* rop for opaque stipple */
  49     unsigned char       ropFillArea ;   /*  == alu, rop, or ropOpStip */
  50     unsigned char       unused[sizeof(long) - 3];
  51     mfbFillAreaProcPtr  FillArea;       /* fills regions; look at the code */
  52 /* ----- END OF "DO-NOT-CHANGE" REGION ----- */
  53     ppcReducedRrop      colorRrop ;
  54     short lastDrawableType ;    /* was last drawable a window or a pixmap? */
  55     short lastDrawableDepth ;   /* was last drawable 1 or 8 planes? */
  56     pointer devPriv ;           /* Private area for device specific stuff */
  57     } ppcPrivGC ;
  58 typedef ppcPrivGC *ppcPrivGCPtr ;
  59
  60 /* ppcCReduce.c */
  61 void xf4bppGetReducedColorRrop(
  62     GCPtr,
  63     int,
  64     ppcReducedRrop *
  65 );
  66
  67 /* vgaGC.c */
  68 void xf4bppChangeGCtype(
  69     GCPtr,
  70     ppcPrivGCPtr
  71 );