ppcGCstr.h   [plain text]

/*
 * Copyright IBM Corporation 1987,1988,1989
 *
 * All Rights Reserved
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and that 
 * both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of IBM not be
 * used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.
 *
 * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
 * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 *
*/

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "gc.h"
#include "mfb.h"

typedef struct {
    unsigned long	planemask ;
    unsigned long	fgPixel ;
    unsigned long	bgPixel ;
    int			alu ;
    int			fillStyle ;
    } ppcReducedRrop ;

/* ************************************************************************ */

/* private field of GC */
typedef struct {
/* The next five (5) fields MUST CORRESPOND to
 * the fields of a "mfbPrivGC" struct
 * ----- BEGINNING OF "DO-NOT-CHANGE" REGION -----
 */
    unsigned char	rop ;		/* reduction of rasterop to 1 of 3 */
    unsigned char	ropOpStip ;	/* rop for opaque stipple */
    unsigned char	ropFillArea ;	/*  == alu, rop, or ropOpStip */
    unsigned char	unused[sizeof(long) - 3];
    mfbFillAreaProcPtr 	FillArea;	/* fills regions; look at the code */
/* ----- END OF "DO-NOT-CHANGE" REGION ----- */
    ppcReducedRrop	colorRrop ;
    short lastDrawableType ;	/* was last drawable a window or a pixmap? */
    short lastDrawableDepth ;	/* was last drawable 1 or 8 planes? */
    pointer devPriv ;		/* Private area for device specific stuff */
    } ppcPrivGC ;
typedef ppcPrivGC *ppcPrivGCPtr ;

/* ppcCReduce.c */
void xf4bppGetReducedColorRrop(
    GCPtr,
    int,
    ppcReducedRrop *
);

/* vgaGC.c */
void xf4bppChangeGCtype(
    GCPtr,
    ppcPrivGCPtr
);