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