From f81bb3160c5f39d8f7ad329e99865af88f02b96a Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Thu, 10 Mar 2011 09:49:29 +0000
Subject: xserver mesa git update 10 Mar 2011

---
 xorg-server/fb/fb.h       | 4180 ++++++++++++++++++++++-----------------------
 xorg-server/fb/fb24_32.c  | 1270 +++++++-------
 xorg-server/fb/fbpixmap.c |  782 +++++----
 3 files changed, 3115 insertions(+), 3117 deletions(-)

(limited to 'xorg-server/fb')

diff --git a/xorg-server/fb/fb.h b/xorg-server/fb/fb.h
index cefd410dd..d90521907 100644
--- a/xorg-server/fb/fb.h
+++ b/xorg-server/fb/fb.h
@@ -1,2090 +1,2090 @@
-/*
- *
- * Copyright © 1998 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-
-#ifndef _FB_H_
-#define _FB_H_
-
-#include <X11/X.h>
-#include <pixman.h>
-
-#include "scrnintstr.h"
-#include "pixmap.h"
-#include "pixmapstr.h"
-#include "region.h"
-#include "gcstruct.h"
-#include "colormap.h"
-#include "miscstruct.h"
-#include "servermd.h"
-#include "windowstr.h"
-#include "privates.h"
-#include "mi.h"
-#include "migc.h"
-#include "mibstore.h"
-#include "picturestr.h"
-
-#ifdef FB_ACCESS_WRAPPER
-
-#include "wfbrename.h"
-#define FBPREFIX(x) wfb##x
-#define WRITE(ptr, val) ((*wfbWriteMemory)((ptr), (val), sizeof(*(ptr))))
-#define READ(ptr) ((*wfbReadMemory)((ptr), sizeof(*(ptr))))
-
-#define MEMCPY_WRAPPED(dst, src, size) do {                       \
-    size_t _i;                                                    \
-    CARD8 *_dst = (CARD8*)(dst), *_src = (CARD8*)(src);           \
-    for(_i = 0; _i < size; _i++) {                                \
-        WRITE(_dst +_i, READ(_src + _i));                         \
-    }                                                             \
-} while(0)
-
-#define MEMSET_WRAPPED(dst, val, size) do {                       \
-    size_t _i;                                                    \
-    CARD8 *_dst = (CARD8*)(dst);                                  \
-    for(_i = 0; _i < size; _i++) {                                \
-        WRITE(_dst +_i, (val));                                   \
-    }                                                             \
-} while(0)
-
-#else
-
-#define FBPREFIX(x) fb##x
-#define WRITE(ptr, val) (*(ptr) = (val))
-#define READ(ptr) (*(ptr))
-#define MEMCPY_WRAPPED(dst, src, size) memcpy((dst), (src), (size))
-#define MEMSET_WRAPPED(dst, val, size) memset((dst), (val), (size))
-
-#endif
-
-/*
- * This single define controls the basic size of data manipulated
- * by this software; it must be log2(sizeof (FbBits) * 8)
- */
-
-#ifndef FB_SHIFT
-#define FB_SHIFT    LOG2_BITMAP_PAD
-#endif
-
-#if FB_SHIFT < LOG2_BITMAP_PAD
-    error FB_SHIFT must be >= LOG2_BITMAP_PAD
-#endif
-    
-#define FB_UNIT	    (1 << FB_SHIFT)
-#define FB_HALFUNIT (1 << (FB_SHIFT-1))
-#define FB_MASK	    (FB_UNIT - 1)
-#define FB_ALLONES  ((FbBits) -1)
-    
-#if GLYPHPADBYTES != 4
-#error "GLYPHPADBYTES must be 4"
-#endif
-/* whether to bother to include 24bpp support */
-#ifndef FBNO24BIT
-#define FB_24BIT
-#endif
-
-/*
- * Unless otherwise instructed, fb includes code to advertise 24bpp
- * windows with 32bpp image format for application compatibility
- */
-
-#ifdef FB_24BIT
-#ifndef FBNO24_32
-#define FB_24_32BIT
-#endif
-#endif
-
-#define FB_STIP_SHIFT	LOG2_BITMAP_PAD
-#define FB_STIP_UNIT	(1 << FB_STIP_SHIFT)
-#define FB_STIP_MASK	(FB_STIP_UNIT - 1)
-#define FB_STIP_ALLONES	((FbStip) -1)
-    
-#define FB_STIP_ODDSTRIDE(s)	(((s) & (FB_MASK >> FB_STIP_SHIFT)) != 0)
-#define FB_STIP_ODDPTR(p)	((((long) (p)) & (FB_MASK >> 3)) != 0)
-    
-#define FbStipStrideToBitsStride(s) (((s) >> (FB_SHIFT - FB_STIP_SHIFT)))
-#define FbBitsStrideToStipStride(s) (((s) << (FB_SHIFT - FB_STIP_SHIFT)))
-    
-#define FbFullMask(n)   ((n) == FB_UNIT ? FB_ALLONES : ((((FbBits) 1) << n) - 1))
-    
-#if FB_SHIFT == 6
-# ifdef WIN32
-typedef unsigned __int64    FbBits;
-# else
-#  if defined(__alpha__) || defined(__alpha) || \
-      defined(ia64) || defined(__ia64__) || \
-      defined(__sparc64__) || defined(_LP64) || \
-      defined(__s390x__) || \
-      defined(amd64) || defined (__amd64__) || \
-      defined (__powerpc64__)
-typedef unsigned long	    FbBits;
-#  else
-typedef unsigned long long  FbBits;
-#  endif
-# endif
-#endif
-
-#if FB_SHIFT == 5
-typedef CARD32		    FbBits;
-#endif
-
-#if FB_SHIFT == 4
-typedef CARD16		    FbBits;
-#endif
-
-#if LOG2_BITMAP_PAD == FB_SHIFT
-typedef FbBits		    FbStip;
-#else
-# if LOG2_BITMAP_PAD == 5
-typedef CARD32		    FbStip;
-# endif
-#endif
-
-typedef int		    FbStride;
-
-
-#ifdef FB_DEBUG
-extern _X_EXPORT void fbValidateDrawable(DrawablePtr d);
-extern _X_EXPORT void fbInitializeDrawable(DrawablePtr d);
-extern _X_EXPORT void fbSetBits (FbStip *bits, int stride, FbStip data);
-#define FB_HEAD_BITS   (FbStip) (0xbaadf00d)
-#define FB_TAIL_BITS   (FbStip) (0xbaddf0ad)
-#else
-#define fbValidateDrawable(d)
-#define fdInitializeDrawable(d)
-#endif
-
-#include "fbrop.h"
-
-#if BITMAP_BIT_ORDER == LSBFirst
-#define FbScrLeft(x,n)	((x) >> (n))
-#define FbScrRight(x,n)	((x) << (n))
-/* #define FbLeftBits(x,n)	((x) & ((((FbBits) 1) << (n)) - 1)) */
-#define FbLeftStipBits(x,n) ((x) & ((((FbStip) 1) << (n)) - 1))
-#define FbStipMoveLsb(x,s,n)	(FbStipRight (x,(s)-(n)))
-#define FbPatternOffsetBits	0
-#else
-#define FbScrLeft(x,n)	((x) << (n))
-#define FbScrRight(x,n)	((x) >> (n))
-/* #define FbLeftBits(x,n)	((x) >> (FB_UNIT - (n))) */
-#define FbLeftStipBits(x,n) ((x) >> (FB_STIP_UNIT - (n)))
-#define FbStipMoveLsb(x,s,n)	(x)
-#define FbPatternOffsetBits	(sizeof (FbBits) - 1)
-#endif
-
-#include "micoord.h"
-
-#define FbStipLeft(x,n)	FbScrLeft(x,n)
-#define FbStipRight(x,n) FbScrRight(x,n)
-
-#define FbRotLeft(x,n)	FbScrLeft(x,n) | (n ? FbScrRight(x,FB_UNIT-n) : 0)
-#define FbRotRight(x,n)	FbScrRight(x,n) | (n ? FbScrLeft(x,FB_UNIT-n) : 0)
-
-#define FbRotStipLeft(x,n)  FbStipLeft(x,n) | (n ? FbStipRight(x,FB_STIP_UNIT-n) : 0)
-#define FbRotStipRight(x,n)  FbStipRight(x,n) | (n ? FbStipLeft(x,FB_STIP_UNIT-n) : 0)
-
-#define FbLeftMask(x)	    ( ((x) & FB_MASK) ? \
-			     FbScrRight(FB_ALLONES,(x) & FB_MASK) : 0)
-#define FbRightMask(x)	    ( ((FB_UNIT - (x)) & FB_MASK) ? \
-			     FbScrLeft(FB_ALLONES,(FB_UNIT - (x)) & FB_MASK) : 0)
-
-#define FbLeftStipMask(x)   ( ((x) & FB_STIP_MASK) ? \
-			     FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) : 0)
-#define FbRightStipMask(x)  ( ((FB_STIP_UNIT - (x)) & FB_STIP_MASK) ? \
-			     FbScrLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - (x)) & FB_STIP_MASK) : 0)
-
-#define FbBitsMask(x,w)	(FbScrRight(FB_ALLONES,(x) & FB_MASK) & \
-			 FbScrLeft(FB_ALLONES,(FB_UNIT - ((x) + (w))) & FB_MASK))
-
-#define FbStipMask(x,w)	(FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) & \
-			 FbStipLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - ((x)+(w))) & FB_STIP_MASK))
-
-
-#define FbMaskBits(x,w,l,n,r) { \
-    n = (w); \
-    r = FbRightMask((x)+n); \
-    l = FbLeftMask(x); \
-    if (l) { \
-	n -= FB_UNIT - ((x) & FB_MASK); \
-	if (n < 0) { \
-	    n = 0; \
-	    l &= r; \
-	    r = 0; \
-	} \
-    } \
-    n >>= FB_SHIFT; \
-}
-
-#ifdef FBNOPIXADDR
-#define FbMaskBitsBytes(x,w,copy,l,lb,n,r,rb) FbMaskBits(x,w,l,n,r)
-#define FbDoLeftMaskByteRRop(dst,lb,l,and,xor) { \
-    *dst = FbDoMaskRRop(*dst,and,xor,l); \
-}
-#define FbDoRightMaskByteRRop(dst,rb,r,and,xor) { \
-    *dst = FbDoMaskRRop(*dst,and,xor,r); \
-}
-#else
-
-#define FbByteMaskInvalid   0x10
-
-#define FbPatternOffset(o,t)  ((o) ^ (FbPatternOffsetBits & ~(sizeof (t) - 1)))
-
-#define FbPtrOffset(p,o,t)		((t *) ((CARD8 *) (p) + (o)))
-#define FbSelectPatternPart(xor,o,t)	((xor) >> (FbPatternOffset (o,t) << 3))
-#define FbStorePart(dst,off,t,xor)	(WRITE(FbPtrOffset(dst,off,t), \
-					 FbSelectPart(xor,off,t)))
-#ifndef FbSelectPart
-#define FbSelectPart(x,o,t) FbSelectPatternPart(x,o,t)
-#endif
-
-#define FbMaskBitsBytes(x,w,copy,l,lb,n,r,rb) { \
-    n = (w); \
-    lb = 0; \
-    rb = 0; \
-    r = FbRightMask((x)+n); \
-    if (r) { \
-	/* compute right byte length */ \
-	if ((copy) && (((x) + n) & 7) == 0) { \
-	    rb = (((x) + n) & FB_MASK) >> 3; \
-	} else { \
-	    rb = FbByteMaskInvalid; \
-	} \
-    } \
-    l = FbLeftMask(x); \
-    if (l) { \
-	/* compute left byte length */ \
-	if ((copy) && ((x) & 7) == 0) { \
-	    lb = ((x) & FB_MASK) >> 3; \
-	} else { \
-	    lb = FbByteMaskInvalid; \
-	} \
-	/* subtract out the portion painted by leftMask */ \
-	n -= FB_UNIT - ((x) & FB_MASK); \
-	if (n < 0) { \
-	    if (lb != FbByteMaskInvalid) { \
-		if (rb == FbByteMaskInvalid) { \
-		    lb = FbByteMaskInvalid; \
-		} else if (rb) { \
-		    lb |= (rb - lb) << (FB_SHIFT - 3); \
-		    rb = 0; \
-		} \
-	    } \
-	    n = 0; \
-	    l &= r; \
-	    r = 0; \
-	}\
-    } \
-    n >>= FB_SHIFT; \
-}
-
-#if FB_SHIFT == 6
-#define FbDoLeftMaskByteRRop6Cases(dst,xor) \
-    case (sizeof (FbBits) - 7) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 7) | (2 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 7) | (3 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 7) | (4 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 7) | (5 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 7) | (6 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 7): \
-	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
-	break; \
-    case (sizeof (FbBits) - 6) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 6) | (2 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 6) | (3 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 6) | (4 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 6) | (5 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 6): \
-	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
-	break; \
-    case (sizeof (FbBits) - 5) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 5) | (2 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 5) | (3 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 5) | (4 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 5): \
-	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
-	break; \
-    case (sizeof (FbBits) - 4) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 4) | (2 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	break; \
-    case (sizeof (FbBits) - 4) | (3 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 4): \
-	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
-	break;
-
-#define FbDoRightMaskByteRRop6Cases(dst,xor) \
-    case 4: \
-	FbStorePart(dst,0,CARD32,xor); \
-	break; \
-    case 5: \
-	FbStorePart(dst,0,CARD32,xor); \
-	FbStorePart(dst,4,CARD8,xor); \
-	break; \
-    case 6: \
-	FbStorePart(dst,0,CARD32,xor); \
-	FbStorePart(dst,4,CARD16,xor); \
-	break; \
-    case 7: \
-	FbStorePart(dst,0,CARD32,xor); \
-	FbStorePart(dst,4,CARD16,xor); \
-	FbStorePart(dst,6,CARD8,xor); \
-	break;
-#else
-#define FbDoLeftMaskByteRRop6Cases(dst,xor)
-#define FbDoRightMaskByteRRop6Cases(dst,xor)
-#endif
-
-#define FbDoLeftMaskByteRRop(dst,lb,l,and,xor) { \
-    switch (lb) { \
-    FbDoLeftMaskByteRRop6Cases(dst,xor) \
-    case (sizeof (FbBits) - 3) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 3) | (2 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case (sizeof (FbBits) - 2) | (1 << (FB_SHIFT - 3)): \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
-	break; \
-    case sizeof (FbBits) - 3: \
-	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
-    case sizeof (FbBits) - 2: \
-	FbStorePart(dst,sizeof (FbBits) - 2,CARD16,xor); \
-	break; \
-    case sizeof (FbBits) - 1: \
-	FbStorePart(dst,sizeof (FbBits) - 1,CARD8,xor); \
-	break; \
-    default: \
-	WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, l)); \
-	break; \
-    } \
-}
-
-
-#define FbDoRightMaskByteRRop(dst,rb,r,and,xor) { \
-    switch (rb) { \
-    case 1: \
-	FbStorePart(dst,0,CARD8,xor); \
-	break; \
-    case 2: \
-	FbStorePart(dst,0,CARD16,xor); \
-	break; \
-    case 3: \
-	FbStorePart(dst,0,CARD16,xor); \
-	FbStorePart(dst,2,CARD8,xor); \
-	break; \
-    FbDoRightMaskByteRRop6Cases(dst,xor) \
-    default: \
-	WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, r)); \
-    } \
-}
-#endif
-
-#define FbMaskStip(x,w,l,n,r) { \
-    n = (w); \
-    r = FbRightStipMask((x)+n); \
-    l = FbLeftStipMask(x); \
-    if (l) { \
-	n -= FB_STIP_UNIT - ((x) & FB_STIP_MASK); \
-	if (n < 0) { \
-	    n = 0; \
-	    l &= r; \
-	    r = 0; \
-	} \
-    } \
-    n >>= FB_STIP_SHIFT; \
-}
-
-/*
- * These macros are used to transparently stipple
- * in copy mode; the expected usage is with 'n' constant
- * so all of the conditional parts collapse into a minimal
- * sequence of partial word writes
- *
- * 'n' is the bytemask of which bytes to store, 'a' is the address
- * of the FbBits base unit, 'o' is the offset within that unit
- *
- * The term "lane" comes from the hardware term "byte-lane" which
- */
-
-#define FbLaneCase1(n,a,o)						\
-    if ((n) == 0x01) {							\
-	WRITE((CARD8 *) ((a)+FbPatternOffset(o,CARD8)), fgxor);		\
-    }
-
-#define FbLaneCase2(n,a,o)						\
-    if ((n) == 0x03) {							\
-	WRITE((CARD16 *) ((a)+FbPatternOffset(o,CARD16)), fgxor);	\
-    } else {								\
-	FbLaneCase1((n)&1,a,o)						\
-	FbLaneCase1((n)>>1,a,(o)+1)					\
-    }
-
-#define FbLaneCase4(n,a,o)						\
-    if ((n) == 0x0f) {							\
-	WRITE((CARD32 *) ((a)+FbPatternOffset(o,CARD32)), fgxor);	\
-    } else {								\
-	FbLaneCase2((n)&3,a,o)						\
-	FbLaneCase2((n)>>2,a,(o)+2)					\
-    }
-
-#define FbLaneCase8(n,a,o)						\
-    if ((n) == 0x0ff) {							\
-	*(FbBits *) ((a)+(o)) = fgxor;					\
-    } else {								\
-	FbLaneCase4((n)&15,a,o)						\
-	FbLaneCase4((n)>>4,a,(o)+4)					\
-    }
-
-#if FB_SHIFT == 6
-#define FbLaneCase(n,a)   FbLaneCase8(n,(CARD8 *) (a),0)
-#endif
-
-#if FB_SHIFT == 5
-#define FbLaneCase(n,a)   FbLaneCase4(n,(CARD8 *) (a),0)
-#endif
-
-/* Rotate a filled pixel value to the specified alignement */
-#define FbRot24(p,b)	    (FbScrRight(p,b) | FbScrLeft(p,24-(b)))
-#define FbRot24Stip(p,b)    (FbStipRight(p,b) | FbStipLeft(p,24-(b)))
-
-/* step a filled pixel value to the next/previous FB_UNIT alignment */
-#define FbNext24Pix(p)	(FbRot24(p,(24-FB_UNIT%24)))
-#define FbPrev24Pix(p)	(FbRot24(p,FB_UNIT%24))
-#define FbNext24Stip(p)	(FbRot24(p,(24-FB_STIP_UNIT%24)))
-#define FbPrev24Stip(p)	(FbRot24(p,FB_STIP_UNIT%24))
-
-/* step a rotation value to the next/previous rotation value */
-#if FB_UNIT == 64
-#define FbNext24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
-#define FbPrev24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
-
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define FbFirst24Rot(x)		(((x) + 8) % 24)
-#else
-#define FbFirst24Rot(x)		((x) % 24)
-#endif
-
-#endif
-
-#if FB_UNIT == 32
-#define FbNext24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
-#define FbPrev24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
-
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define FbFirst24Rot(x)		(((x) + 16) % 24)
-#else
-#define FbFirst24Rot(x)		((x) % 24)
-#endif
-#endif
-
-#define FbNext24RotStip(r)        ((r) == 0 ? 16 : (r) - 8)
-#define FbPrev24RotStip(r)        ((r) == 16 ? 0 : (r) + 8)
-
-/* Whether 24-bit specific code is needed for this filled pixel value */
-#define FbCheck24Pix(p)	((p) == FbNext24Pix(p))
-
-/* Macros for dealing with dashing */
-
-#define FbDashDeclare	\
-    unsigned char	*__dash, *__firstDash, *__lastDash
-    
-#define FbDashInit(pGC,pPriv,dashOffset,dashlen,even) {	    \
-    (even) = TRUE;					    \
-    __firstDash = (pGC)->dash;				    \
-    __lastDash = __firstDash + (pGC)->numInDashList;	    \
-    (dashOffset) %= (pPriv)->dashLength;		    \
-							    \
-    __dash = __firstDash;				    \
-    while ((dashOffset) >= ((dashlen) = *__dash))	    \
-    {							    \
-	(dashOffset) -= (dashlen);			    \
-	(even) = 1-(even);				    \
-	if (++__dash == __lastDash)			    \
-	    __dash = __firstDash;			    \
-    }							    \
-    (dashlen) -= (dashOffset);				    \
-}
-
-#define FbDashNext(dashlen) {				    \
-    if (++__dash == __lastDash)				    \
-	__dash = __firstDash;				    \
-    (dashlen) = *__dash;				    \
-}
-
-/* as numInDashList is always even, this case can skip a test */
-
-#define FbDashNextEven(dashlen) {			    \
-    (dashlen) = *++__dash;				    \
-}
-
-#define FbDashNextOdd(dashlen)	FbDashNext(dashlen)
-
-#define FbDashStep(dashlen,even) {			    \
-    if (!--(dashlen)) {					    \
-	FbDashNext(dashlen);				    \
-	(even) = 1-(even);				    \
-    }							    \
-}
-
-extern _X_EXPORT DevPrivateKey
-fbGetGCPrivateKey (void);
-
-extern _X_EXPORT DevPrivateKey
-fbGetWinPrivateKey (void);
-
-extern _X_EXPORT const GCOps	fbGCOps;
-extern _X_EXPORT const GCFuncs	fbGCFuncs;
-
-#ifdef FB_24_32BIT
-#define FB_SCREEN_PRIVATE
-#endif
-
-/* Framebuffer access wrapper */
-typedef FbBits (*ReadMemoryProcPtr)(const void *src, int size);
-typedef void (*WriteMemoryProcPtr)(void *dst, FbBits value, int size);
-typedef void (*SetupWrapProcPtr)(ReadMemoryProcPtr  *pRead,
-                                 WriteMemoryProcPtr *pWrite,
-                                 DrawablePtr         pDraw);
-typedef void (*FinishWrapProcPtr)(DrawablePtr pDraw);
-
-#ifdef FB_ACCESS_WRAPPER
-
-#define fbPrepareAccess(pDraw) \
-	fbGetScreenPrivate((pDraw)->pScreen)->setupWrap( \
-		&wfbReadMemory, \
-		&wfbWriteMemory, \
-		(pDraw))
-#define fbFinishAccess(pDraw) \
-	fbGetScreenPrivate((pDraw)->pScreen)->finishWrap(pDraw)
-
-#else
-
-#define fbPrepareAccess(pPix)
-#define fbFinishAccess(pDraw)
-
-#endif
-
-
-#ifdef FB_SCREEN_PRIVATE
-extern _X_EXPORT DevPrivateKey
-fbGetScreenPrivateKey(void);
-
-/* private field of a screen */
-typedef struct {
-    unsigned char	win32bpp;	/* window bpp for 32-bpp images */
-    unsigned char	pix32bpp;	/* pixmap bpp for 32-bpp images */
-#ifdef FB_ACCESS_WRAPPER
-    SetupWrapProcPtr	setupWrap;	/* driver hook to set pixmap access wrapping */
-    FinishWrapProcPtr	finishWrap;	/* driver hook to clean up pixmap access wrapping */
-#endif
-} FbScreenPrivRec, *FbScreenPrivPtr;
-
-#define fbGetScreenPrivate(pScreen) ((FbScreenPrivPtr) \
-				     dixLookupPrivate(&(pScreen)->devPrivates, fbGetScreenPrivateKey()))
-#endif
-
-/* private field of GC */
-typedef struct {
-    FbBits		and, xor;	/* reduced rop values */
-    FbBits		bgand, bgxor;	/* for stipples */
-    FbBits		fg, bg, pm;	/* expanded and filled */
-    unsigned int	dashLength;	/* total of all dash elements */
-    unsigned char    	evenStipple;	/* stipple is even */
-    unsigned char    	bpp;		/* current drawable bpp */
-} FbGCPrivRec, *FbGCPrivPtr;
-
-#define fbGetGCPrivate(pGC)	((FbGCPrivPtr)\
-				 dixLookupPrivate(&(pGC)->devPrivates, fbGetGCPrivateKey()))
-
-#define fbGetCompositeClip(pGC) ((pGC)->pCompositeClip)
-#define fbGetExpose(pGC)	((pGC)->fExpose)
-#define fbGetFreeCompClip(pGC)	((pGC)->freeCompClip)
-#define fbGetRotatedPixmap(pGC)	((pGC)->pRotatedPixmap)
-
-#define fbGetScreenPixmap(s)	((PixmapPtr) (s)->devPrivate)
-#define fbGetWindowPixmap(pWin)	((PixmapPtr)\
-				 dixLookupPrivate(&((WindowPtr)(pWin))->devPrivates, fbGetWinPrivateKey()))
-
-#ifdef ROOTLESS
-#define __fbPixDrawableX(pPix)	((pPix)->drawable.x)
-#define __fbPixDrawableY(pPix)	((pPix)->drawable.y)
-#else
-#define __fbPixDrawableX(pPix)	0
-#define __fbPixDrawableY(pPix)	0
-#endif
-
-#ifdef COMPOSITE
-#define __fbPixOffXWin(pPix)	(__fbPixDrawableX(pPix) - (pPix)->screen_x)
-#define __fbPixOffYWin(pPix)	(__fbPixDrawableY(pPix) - (pPix)->screen_y)
-#else
-#define __fbPixOffXWin(pPix)	(__fbPixDrawableX(pPix))
-#define __fbPixOffYWin(pPix)	(__fbPixDrawableY(pPix))
-#endif
-#define __fbPixOffXPix(pPix)	(__fbPixDrawableX(pPix))
-#define __fbPixOffYPix(pPix)	(__fbPixDrawableY(pPix))
-
-#define fbGetDrawablePixmap(pDrawable, pixmap, xoff, yoff) {			\
-    if ((pDrawable)->type != DRAWABLE_PIXMAP) { 				\
-	(pixmap) = fbGetWindowPixmap(pDrawable);				\
-	(xoff) = __fbPixOffXWin(pixmap); 					\
-	(yoff) = __fbPixOffYWin(pixmap); 					\
-    } else { 									\
-	(pixmap) = (PixmapPtr) (pDrawable);					\
-	(xoff) = __fbPixOffXPix(pixmap); 					\
-	(yoff) = __fbPixOffYPix(pixmap); 					\
-    } 										\
-    fbPrepareAccess(pDrawable); 						\
-}
-
-#define fbGetPixmapBitsData(pixmap, pointer, stride, bpp) {			\
-    (pointer) = (FbBits *) (pixmap)->devPrivate.ptr; 			       	\
-    (stride) = ((int) (pixmap)->devKind) / sizeof (FbBits); (void)(stride);	\
-    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
-}
-
-#define fbGetPixmapStipData(pixmap, pointer, stride, bpp) {			\
-    (pointer) = (FbStip *) (pixmap)->devPrivate.ptr; 			       	\
-    (stride) = ((int) (pixmap)->devKind) / sizeof (FbStip); (void)(stride);	\
-    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
-}
-
-#define fbGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 		\
-    PixmapPtr   _pPix; 								\
-    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff); 				\
-    fbGetPixmapBitsData(_pPix, pointer, stride, bpp);				\
-}
-
-#define fbGetStipDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 	\
-    PixmapPtr   _pPix; 								\
-    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff);				\
-    fbGetPixmapStipData(_pPix, pointer, stride, bpp);				\
-}
-
-/*
- * XFree86 empties the root BorderClip when the VT is inactive,
- * here's a macro which uses that to disable GetImage and GetSpans
- */
-
-#define fbWindowEnabled(pWin) \
-    RegionNotEmpty(&(pWin)->drawable.pScreen->root->borderClip)
-
-#define fbDrawableEnabled(pDrawable) \
-    ((pDrawable)->type == DRAWABLE_PIXMAP ? \
-     TRUE : fbWindowEnabled((WindowPtr) pDrawable))
-
-#define FbPowerOfTwo(w)	    (((w) & ((w) - 1)) == 0)
-/*
- * Accelerated tiles are power of 2 width <= FB_UNIT
- */
-#define FbEvenTile(w)	    ((w) <= FB_UNIT && FbPowerOfTwo(w))
-/*
- * Accelerated stipples are power of 2 width and <= FB_UNIT/dstBpp
- * with dstBpp a power of 2 as well
- */
-#define FbEvenStip(w,bpp)   ((w) * (bpp) <= FB_UNIT && FbPowerOfTwo(w) && FbPowerOfTwo(bpp))
-
-/*
- * fb24_32.c
- */
-extern _X_EXPORT void
-fb24_32GetSpans(DrawablePtr	pDrawable, 
-		int		wMax, 
-		DDXPointPtr	ppt, 
-		int		*pwidth, 
-		int		nspans, 
-		char		*pchardstStart);
-
-extern _X_EXPORT void
-fb24_32SetSpans (DrawablePtr	    pDrawable,
-		 GCPtr		    pGC,
-		 char		    *src,
-		 DDXPointPtr	    ppt,
-		 int		    *pwidth,
-		 int		    nspans,
-		 int		    fSorted);
-
-extern _X_EXPORT void
-fb24_32PutZImage (DrawablePtr	pDrawable,
-		  RegionPtr	pClip,
-		  int		alu,
-		  FbBits	pm,
-		  int		x,
-		  int		y,
-		  int		width,
-		  int		height,
-		  CARD8		*src,
-		  FbStride	srcStride);
-    
-extern _X_EXPORT void
-fb24_32GetImage (DrawablePtr     pDrawable,
-		 int             x,
-		 int             y,
-		 int             w,
-		 int             h,
-		 unsigned int    format,
-		 unsigned long   planeMask,
-		 char            *d);
-
-extern _X_EXPORT void
-fb24_32CopyMtoN (DrawablePtr pSrcDrawable,
-		 DrawablePtr pDstDrawable,
-		 GCPtr       pGC,
-		 BoxPtr      pbox,
-		 int         nbox,
-		 int         dx,
-		 int         dy,
-		 Bool        reverse,
-		 Bool        upsidedown,
-		 Pixel       bitplane,
-		 void        *closure);
-
-extern _X_EXPORT PixmapPtr
-fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel);
-    
-extern _X_EXPORT Bool
-fb24_32CreateScreenResources(ScreenPtr pScreen);
-
-extern _X_EXPORT Bool
-fb24_32ModifyPixmapHeader (PixmapPtr   pPixmap,
-			   int         width,
-			   int         height,
-			   int         depth,
-			   int         bitsPerPixel,
-			   int         devKind,
-			   pointer     pPixData);
-
-/*
- * fballpriv.c
- */
-extern _X_EXPORT Bool
-fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCIndex);
-    
-/*
- * fbarc.c
- */
-
-extern _X_EXPORT void
-fbPolyArc (DrawablePtr	pDrawable,
-	   GCPtr	pGC,
-	   int		narcs,
-	   xArc		*parcs);
-
-/*
- * fbbits.c
- */
-
-extern _X_EXPORT void
-fbBresSolid8(DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x,
-	     int	    y,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len);
-
-extern _X_EXPORT void
-fbBresDash8 (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x,
-	     int	    y,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len);
-
-extern _X_EXPORT void
-fbDots8 (FbBits	    *dst,
-	 FbStride   dstStride,
-	 int	    dstBpp,
-	 BoxPtr	    pBox,
-	 xPoint	    *pts,
-	 int	    npt,
-	 int	    xorg,
-	 int	    yorg,
-	 int	    xoff,
-	 int	    yoff,
-	 FbBits	    and,
-	 FbBits	    xor);
-
-extern _X_EXPORT void
-fbArc8 (FbBits	    *dst,
-	FbStride    dstStride,
-	int	    dstBpp,
-	xArc	    *arc,
-	int	    dx,
-	int	    dy,
-	FbBits	    and,
-	FbBits	    xor);
-
-extern _X_EXPORT void
-fbGlyph8 (FbBits    *dstLine,
-	  FbStride  dstStride,
-	  int	    dstBpp,
-	  FbStip    *stipple,
-	  FbBits    fg,
-	  int	    height,
-	  int	    shift);
-
-extern _X_EXPORT void
-fbPolyline8 (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    mode,
-	     int	    npt,
-	     DDXPointPtr    ptsOrig);
-
-extern _X_EXPORT void
-fbPolySegment8 (DrawablePtr pDrawable,
-		GCPtr	    pGC,
-		int	    nseg,
-		xSegment    *pseg);
-
-extern _X_EXPORT void
-fbBresSolid16(DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    dashOffset,
-	      int	    signdx,
-	      int	    signdy,
-	      int	    axis,
-	      int	    x,
-	      int	    y,
-	      int	    e,
-	      int	    e1,
-	      int	    e3,
-	      int	    len);
-
-extern _X_EXPORT void
-fbBresDash16(DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x,
-	     int	    y,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len);
-
-extern _X_EXPORT void
-fbDots16(FbBits	    *dst,
-	 FbStride   dstStride,
-	 int	    dstBpp,
-	 BoxPtr	    pBox,
-	 xPoint	    *pts,
-	 int	    npt,
-	 int	    xorg,
-	 int	    yorg,
-	 int	    xoff,
-	 int	    yoff,
-	 FbBits	    and,
-	 FbBits	    xor);
-
-extern _X_EXPORT void
-fbArc16(FbBits	    *dst,
-	FbStride    dstStride,
-	int	    dstBpp,
-	xArc	    *arc,
-	int	    dx,
-	int	    dy,
-	FbBits	    and,
-	FbBits	    xor);
-
-extern _X_EXPORT void
-fbGlyph16(FbBits    *dstLine,
-	  FbStride  dstStride,
-	  int	    dstBpp,
-	  FbStip    *stipple,
-	  FbBits    fg,
-	  int	    height,
-	  int	    shift);
-
-extern _X_EXPORT void
-fbPolyline16 (DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    mode,
-	      int	    npt,
-	      DDXPointPtr   ptsOrig);
-
-extern _X_EXPORT void
-fbPolySegment16 (DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		nseg,
-		 xSegment	*pseg);
-
-
-extern _X_EXPORT void
-fbBresSolid24(DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    dashOffset,
-	      int	    signdx,
-	      int	    signdy,
-	      int	    axis,
-	      int	    x,
-	      int	    y,
-	      int	    e,
-	      int	    e1,
-	      int	    e3,
-	      int	    len);
-
-extern _X_EXPORT void
-fbBresDash24(DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x,
-	     int	    y,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len);
-
-extern _X_EXPORT void
-fbDots24(FbBits	    *dst,
-	 FbStride   dstStride,
-	 int	    dstBpp,
-	 BoxPtr	    pBox,
-	 xPoint	    *pts,
-	 int	    npt,
-	 int	    xorg,
-	 int	    yorg,
-	 int	    xoff,
-	 int	    yoff,
-	 FbBits	    and,
-	 FbBits	    xor);
-
-extern _X_EXPORT void
-fbArc24(FbBits	    *dst,
-	FbStride    dstStride,
-	int	    dstBpp,
-	xArc	    *arc,
-	int	    dx,
-	int	    dy,
-	FbBits	    and,
-	FbBits	    xor);
-
-extern _X_EXPORT void
-fbGlyph24(FbBits    *dstLine,
-	  FbStride  dstStride,
-	  int	    dstBpp,
-	  FbStip    *stipple,
-	  FbBits    fg,
-	  int	    height,
-	  int	    shift);
-
-extern _X_EXPORT void
-fbPolyline24 (DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    mode,
-	      int	    npt,
-	      DDXPointPtr   ptsOrig);
-
-extern _X_EXPORT void
-fbPolySegment24 (DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		nseg,
-		 xSegment	*pseg);
-
-
-extern _X_EXPORT void
-fbBresSolid32(DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    dashOffset,
-	      int	    signdx,
-	      int	    signdy,
-	      int	    axis,
-	      int	    x,
-	      int	    y,
-	      int	    e,
-	      int	    e1,
-	      int	    e3,
-	      int	    len);
-
-extern _X_EXPORT void
-fbBresDash32(DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x,
-	     int	    y,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len);
-
-extern _X_EXPORT void
-fbDots32(FbBits	    *dst,
-	 FbStride   dstStride,
-	 int	    dstBpp,
-	 BoxPtr	    pBox,
-	 xPoint	    *pts,
-	 int	    npt,
-	 int	    xorg,
-	 int	    yorg,
-	 int	    xoff,
-	 int	    yoff,
-	 FbBits	    and,
-	 FbBits	    xor);
-
-extern _X_EXPORT void
-fbArc32(FbBits	    *dst,
-	FbStride    dstStride,
-	int	    dstBpp,
-	xArc	    *arc,
-	int	    dx,
-	int	    dy,
-	FbBits	    and,
-	FbBits	    xor);
-
-extern _X_EXPORT void
-fbGlyph32(FbBits    *dstLine,
-	  FbStride  dstStride,
-	  int	    dstBpp,
-	  FbStip    *stipple,
-	  FbBits    fg,
-	  int	    height,
-	  int	    shift);
-extern _X_EXPORT void
-fbPolyline32 (DrawablePtr   pDrawable,
-	      GCPtr	    pGC,
-	      int	    mode,
-	      int	    npt,
-	      DDXPointPtr   ptsOrig);
-
-extern _X_EXPORT void
-fbPolySegment32 (DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		nseg,
-		 xSegment	*pseg);
-
-/*
- * fbblt.c
- */
-extern _X_EXPORT void
-fbBlt (FbBits   *src, 
-       FbStride	srcStride,
-       int	srcX,
-       
-       FbBits   *dst,
-       FbStride dstStride,
-       int	dstX,
-       
-       int	width, 
-       int	height,
-       
-       int	alu,
-       FbBits	pm,
-       int	bpp,
-       
-       Bool	reverse,
-       Bool	upsidedown);
-
-extern _X_EXPORT void
-fbBlt24 (FbBits	    *srcLine,
-	 FbStride   srcStride,
-	 int	    srcX,
-
-	 FbBits	    *dstLine,
-	 FbStride   dstStride,
-	 int	    dstX,
-
-	 int	    width, 
-	 int	    height,
-
-	 int	    alu,
-	 FbBits	    pm,
-
-	 Bool	    reverse,
-	 Bool	    upsidedown);
-    
-extern _X_EXPORT void
-fbBltStip (FbStip   *src,
-	   FbStride srcStride,	    /* in FbStip units, not FbBits units */
-	   int	    srcX,
-	   
-	   FbStip   *dst,
-	   FbStride dstStride,	    /* in FbStip units, not FbBits units */
-	   int	    dstX,
-
-	   int	    width, 
-	   int	    height,
-
-	   int	    alu,
-	   FbBits   pm,
-	   int	    bpp);
-    
-/*
- * fbbltone.c
- */
-extern _X_EXPORT void
-fbBltOne (FbStip   *src,
-	  FbStride srcStride,
-	  int	   srcX,
-	  FbBits   *dst,
-	  FbStride dstStride,
-	  int	   dstX,
-	  int	   dstBpp,
-
-	  int	   width,
-	  int	   height,
-
-	  FbBits   fgand,
-	  FbBits   fbxor,
-	  FbBits   bgand,
-	  FbBits   bgxor);
- 
-#ifdef FB_24BIT
-extern _X_EXPORT void
-fbBltOne24 (FbStip    *src,
-	  FbStride  srcStride,	    /* FbStip units per scanline */
-	  int	    srcX,	    /* bit position of source */
-	  FbBits    *dst,
-	  FbStride  dstStride,	    /* FbBits units per scanline */
-	  int	    dstX,	    /* bit position of dest */
-	  int	    dstBpp,	    /* bits per destination unit */
-
-	  int	    width,	    /* width in bits of destination */
-	  int	    height,	    /* height in scanlines */
-
-	  FbBits    fgand,	    /* rrop values */
-	  FbBits    fgxor,
-	  FbBits    bgand,
-	  FbBits    bgxor);
-#endif
-
-extern _X_EXPORT void
-fbBltPlane (FbBits	    *src,
-	    FbStride	    srcStride,
-	    int		    srcX,
-	    int		    srcBpp,
-
-	    FbStip	    *dst,
-	    FbStride	    dstStride,
-	    int		    dstX,
-	    
-	    int		    width,
-	    int		    height,
-	    
-	    FbStip	    fgand,
-	    FbStip	    fgxor,
-	    FbStip	    bgand,
-	    FbStip	    bgxor,
-	    Pixel	    planeMask);
-
-/*
- * fbcmap_mi.c
- */
-extern _X_EXPORT int
-fbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps);
-
-extern _X_EXPORT void
-fbInstallColormap(ColormapPtr pmap);
-
-extern _X_EXPORT void
-fbUninstallColormap(ColormapPtr pmap);
-
-extern _X_EXPORT void
-fbResolveColor(unsigned short	*pred, 
-	       unsigned short	*pgreen, 
-	       unsigned short	*pblue,
-	       VisualPtr	pVisual);
-
-extern _X_EXPORT Bool
-fbInitializeColormap(ColormapPtr pmap);
-
-extern _X_EXPORT int
-fbExpandDirectColors (ColormapPtr   pmap, 
-		      int	    ndef,
-		      xColorItem    *indefs,
-		      xColorItem    *outdefs);
-
-extern _X_EXPORT Bool
-fbCreateDefColormap(ScreenPtr pScreen);
-
-extern _X_EXPORT void
-fbClearVisualTypes(void);
-
-extern _X_EXPORT Bool
-fbHasVisualTypes (int depth);
-
-extern _X_EXPORT Bool
-fbSetVisualTypes (int depth, int visuals, int bitsPerRGB);
-
-extern _X_EXPORT Bool
-fbSetVisualTypesAndMasks (int depth, int visuals, int bitsPerRGB,
-			  Pixel redMask, Pixel greenMask, Pixel blueMask);
-
-extern _X_EXPORT Bool
-fbInitVisuals (VisualPtr    *visualp, 
-	       DepthPtr	    *depthp,
-	       int	    *nvisualp,
-	       int	    *ndepthp,
-	       int	    *rootDepthp,
-	       VisualID	    *defaultVisp,
-	       unsigned long	sizes,
-	       int	    bitsPerRGB);
-
-/*
- * fbcopy.c
- */
-
-/* Compatibility definition, to be removed at next ABI change. */
-typedef void   (*fbCopyProc) (DrawablePtr  pSrcDrawable,
-                              DrawablePtr  pDstDrawable,
-                              GCPtr        pGC,
-                              BoxPtr       pDstBox,
-                              int          nbox,
-                              int          dx,
-                              int          dy,
-                              Bool         reverse,
-                              Bool         upsidedown,
-                              Pixel        bitplane,
-                              void         *closure);
-
-extern _X_EXPORT void
-fbCopyNtoN (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure);
-
-/* Compatibility wrapper, to be removed at next ABI change. */
-extern _X_EXPORT void
-fbCopyRegion (DrawablePtr   pSrcDrawable,
-             DrawablePtr   pDstDrawable,
-             GCPtr         pGC,
-             RegionPtr     pDstRegion,
-             int           dx,
-             int           dy,
-             fbCopyProc    copyProc,
-             Pixel         bitPlane,
-             void          *closure);
-
-/* Compatibility wrapper, to be removed at next ABI change. */
-extern _X_EXPORT RegionPtr
-fbDoCopy (DrawablePtr  pSrcDrawable,
-         DrawablePtr   pDstDrawable,
-         GCPtr         pGC,
-         int           xIn,
-         int           yIn,
-         int           widthSrc,
-         int           heightSrc,
-         int           xOut,
-         int           yOut,
-         fbCopyProc    copyProc,
-         Pixel         bitplane,
-         void          *closure);
-
-extern _X_EXPORT void
-fbCopy1toN (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure);
-
-extern _X_EXPORT void
-fbCopyNto1 (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    BoxPtr	pbox,
-	    int		nbox,
-	    int		dx,
-	    int		dy,
-	    Bool	reverse,
-	    Bool	upsidedown,
-	    Pixel	bitplane,
-	    void	*closure);
-
-extern _X_EXPORT RegionPtr
-fbCopyArea (DrawablePtr	pSrcDrawable,
-	    DrawablePtr	pDstDrawable,
-	    GCPtr	pGC,
-	    int		xIn, 
-	    int		yIn,
-	    int		widthSrc, 
-	    int		heightSrc,
-	    int		xOut, 
-	    int		yOut);
-
-extern _X_EXPORT RegionPtr
-fbCopyPlane (DrawablePtr    pSrcDrawable,
-	     DrawablePtr    pDstDrawable,
-	     GCPtr	    pGC,
-	     int	    xIn, 
-	     int	    yIn,
-	     int	    widthSrc, 
-	     int	    heightSrc,
-	     int	    xOut, 
-	     int	    yOut,
-	     unsigned long  bitplane);
-
-/*
- * fbfill.c
- */
-extern _X_EXPORT void
-fbFill (DrawablePtr pDrawable,
-	GCPtr	    pGC,
-	int	    x,
-	int	    y,
-	int	    width,
-	int	    height);
-
-extern _X_EXPORT void
-fbSolidBoxClipped (DrawablePtr	pDrawable,
-		   RegionPtr	pClip,
-		   int		xa,
-		   int		ya,
-		   int		xb,
-		   int		yb,
-		   FbBits	and,
-		   FbBits	xor);
-
-/*
- * fbfillrect.c
- */
-extern _X_EXPORT void
-fbPolyFillRect(DrawablePtr  pDrawable, 
-	       GCPtr	    pGC, 
-	       int	    nrectInit,
-	       xRectangle   *prectInit);
-
-#define fbPolyFillArc miPolyFillArc
-
-#define fbFillPolygon miFillPolygon
-
-/*
- * fbfillsp.c
- */
-extern _X_EXPORT void
-fbFillSpans (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    nInit,
-	     DDXPointPtr    pptInit,
-	     int	    *pwidthInit,
-	     int	    fSorted);
-
-
-/*
- * fbgc.c
- */
-
-extern _X_EXPORT Bool
-fbCreateGC(GCPtr pGC);
-
-extern _X_EXPORT void
-fbPadPixmap (PixmapPtr pPixmap);
-    
-extern _X_EXPORT void
-fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
-
-/*
- * fbgetsp.c
- */
-extern _X_EXPORT void
-fbGetSpans(DrawablePtr	pDrawable, 
-	   int		wMax, 
-	   DDXPointPtr	ppt, 
-	   int		*pwidth, 
-	   int		nspans, 
-	   char		*pchardstStart);
-
-/*
- * fbglyph.c
- */
-
-extern _X_EXPORT Bool
-fbGlyphIn (RegionPtr	pRegion,
-	   int		x,
-	   int		y,
-	   int		width,
-	   int		height);
-    
-extern _X_EXPORT void
-fbPolyGlyphBlt (DrawablePtr	pDrawable,
-		GCPtr		pGC,
-		int		x, 
-		int		y,
-		unsigned int	nglyph,
-		CharInfoPtr	*ppci,
-		pointer		pglyphBase);
-
-extern _X_EXPORT void
-fbImageGlyphBlt (DrawablePtr	pDrawable,
-		 GCPtr		pGC,
-		 int		x,
-		 int		y,
-		 unsigned int	nglyph,
-		 CharInfoPtr	*ppci,
-		 pointer	pglyphBase);
-
-/*
- * fbimage.c
- */
-
-extern _X_EXPORT void
-fbPutImage (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		depth,
-	    int		x,
-	    int		y,
-	    int		w,
-	    int		h,
-	    int		leftPad,
-	    int		format,
-	    char	*pImage);
-
-extern _X_EXPORT void
-fbPutZImage (DrawablePtr	pDrawable,
-	     RegionPtr		pClip,
-	     int		alu,
-	     FbBits		pm,
-	     int		x,
-	     int		y,
-	     int		width,
-	     int		height,
-	     FbStip		*src,
-	     FbStride		srcStride);
-
-extern _X_EXPORT void
-fbPutXYImage (DrawablePtr	pDrawable,
-	      RegionPtr		pClip,
-	      FbBits		fg,
-	      FbBits		bg,
-	      FbBits		pm,
-	      int		alu,
-	      Bool		opaque,
-	      
-	      int		x,
-	      int		y,
-	      int		width,
-	      int		height,
-
-	      FbStip		*src,
-	      FbStride		srcStride,
-	      int		srcX);
-
-extern _X_EXPORT void
-fbGetImage (DrawablePtr	    pDrawable,
-	    int		    x,
-	    int		    y,
-	    int		    w,
-	    int		    h,
-	    unsigned int    format,
-	    unsigned long   planeMask,
-	    char	    *d);
-/*
- * fbline.c
- */
-
-extern _X_EXPORT void
-fbZeroLine (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		mode,
-	    int		npt,
-	    DDXPointPtr	ppt);
-
-extern _X_EXPORT void
-fbZeroSegment (DrawablePtr  pDrawable,
-	       GCPtr	    pGC,
-	       int	    nseg,
-	       xSegment	    *pSegs);
-
-extern _X_EXPORT void
-fbPolyLine (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		mode,
-	    int		npt,
-	    DDXPointPtr	ppt);
-
-extern _X_EXPORT void
-fbFixCoordModePrevious (int npt,
-			DDXPointPtr ppt);
-
-extern _X_EXPORT void
-fbPolySegment (DrawablePtr  pDrawable,
-	       GCPtr	    pGC,
-	       int	    nseg,
-	       xSegment	    *pseg);
-
-#define fbPolyRectangle	miPolyRectangle
-
-/*
- * fbpict.c
- */
-
-extern _X_EXPORT Bool
-fbPictureInit (ScreenPtr pScreen,
-	       PictFormatPtr formats,
-	       int nformats);
-
-/*
- * fbpixmap.c
- */
-
-extern _X_EXPORT PixmapPtr
-fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
-		   unsigned usage_hint);
-
-extern _X_EXPORT PixmapPtr
-fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
-		unsigned usage_hint);
-
-extern _X_EXPORT Bool
-fbDestroyPixmap (PixmapPtr pPixmap);
-
-extern _X_EXPORT RegionPtr
-fbPixmapToRegion(PixmapPtr pPix);
-
-/*
- * fbpoint.c
- */
-
-extern _X_EXPORT void
-fbDots (FbBits	    *dstOrig,
-	FbStride    dstStride,
-	int	    dstBpp,
-	BoxPtr	    pBox,
-	xPoint	    *pts,
-	int	    npt,
-	int	    xorg,
-	int	    yorg,
-	int	    xoff,
-	int	    yoff,
-	FbBits	    andOrig,
-	FbBits	    xorOrig);
-
-extern _X_EXPORT void
-fbPolyPoint (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    mode,
-	     int	    npt,
-	     xPoint	    *pptInit);
-
-/*
- * fbpush.c
- */
-extern _X_EXPORT void
-fbPushPattern (DrawablePtr  pDrawable,
-	       GCPtr	    pGC,
-	       
-	       FbStip	    *src,
-	       FbStride	    srcStride,
-	       int	    srcX,
-
-	       int	    x,
-	       int	    y,
-
-	       int	    width,
-	       int	    height);
-
-extern _X_EXPORT void
-fbPushFill (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-
-	    FbStip	*src,
-	    FbStride	srcStride,
-	    int		srcX,
-	    
-	    int		x,
-	    int		y,
-	    int		width,
-	    int		height);
-
-extern _X_EXPORT void
-fbPushImage (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     
-	     FbStip	    *src,
-	     FbStride	    srcStride,
-	     int	    srcX,
-
-	     int	    x,
-	     int	    y,
-	     int	    width,
-	     int	    height);
-
-extern _X_EXPORT void
-fbPushPixels (GCPtr	    pGC,
-	      PixmapPtr	    pBitmap,
-	      DrawablePtr   pDrawable,
-	      int	    dx,
-	      int	    dy,
-	      int	    xOrg,
-	      int	    yOrg);
-
-
-/*
- * fbscreen.c
- */
-
-extern _X_EXPORT Bool
-fbCloseScreen (int indx, ScreenPtr pScreen);
-
-extern _X_EXPORT Bool
-fbRealizeFont(ScreenPtr pScreen, FontPtr pFont);
-
-extern _X_EXPORT Bool
-fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont);
-
-extern _X_EXPORT void
-fbQueryBestSize (int class, 
-		 unsigned short *width, unsigned short *height,
-		 ScreenPtr pScreen);
-
-extern _X_EXPORT PixmapPtr
-_fbGetWindowPixmap (WindowPtr pWindow);
-
-extern _X_EXPORT void
-_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap);
-
-extern _X_EXPORT Bool
-fbSetupScreen(ScreenPtr	pScreen, 
-	      pointer	pbits,		/* pointer to screen bitmap */
-	      int	xsize, 		/* in pixels */
-	      int	ysize,
-	      int	dpix,		/* dots per inch */
-	      int	dpiy,
-	      int	width,		/* pixel width of frame buffer */
-	      int	bpp);		/* bits per pixel of frame buffer */
-
-extern _X_EXPORT Bool
-wfbFinishScreenInit(ScreenPtr	pScreen,
-		    pointer	pbits,
-		    int		xsize,
-		    int		ysize,
-		    int		dpix,
-		    int		dpiy,
-		    int		width,
-		    int		bpp,
-		    SetupWrapProcPtr setupWrap,
-		    FinishWrapProcPtr finishWrap);
-
-extern _X_EXPORT Bool
-wfbScreenInit(ScreenPtr	pScreen,
-	      pointer	pbits,
-	      int	xsize,
-	      int	ysize,
-	      int	dpix,
-	      int	dpiy,
-	      int	width,
-	      int	bpp,
-	      SetupWrapProcPtr setupWrap,
-	      FinishWrapProcPtr finishWrap);
-
-extern _X_EXPORT Bool
-fbFinishScreenInit(ScreenPtr	pScreen,
-		   pointer	pbits,
-		   int		xsize,
-		   int		ysize,
-		   int		dpix,
-		   int		dpiy,
-		   int		width,
-		   int		bpp);
-
-extern _X_EXPORT Bool
-fbScreenInit(ScreenPtr	pScreen,
-	     pointer	pbits,
-	     int	xsize,
-	     int	ysize,
-	     int	dpix,
-	     int	dpiy,
-	     int	width,
-	     int	bpp);
-    
-/*
- * fbseg.c
- */
-typedef void	FbBres (DrawablePtr	pDrawable,
-			GCPtr		pGC,
-			int		dashOffset,
-			int		signdx,
-			int		signdy,
-			int		axis,
-			int		x,
-			int		y,
-			int		e,
-			int		e1,
-			int		e3,
-			int		len);
-
-extern _X_EXPORT FbBres fbBresSolid, fbBresDash, fbBresFill, fbBresFillDash;
-/*
- * fbsetsp.c
- */
-
-extern _X_EXPORT void
-fbSetSpans (DrawablePtr	    pDrawable,
-	    GCPtr	    pGC,
-	    char	    *src,
-	    DDXPointPtr	    ppt,
-	    int		    *pwidth,
-	    int		    nspans,
-	    int		    fSorted);
-
-extern _X_EXPORT FbBres *
-fbSelectBres (DrawablePtr   pDrawable,
-	      GCPtr	    pGC);
-
-extern _X_EXPORT void
-fbBres (DrawablePtr	pDrawable,
-	GCPtr		pGC,
-	int		dashOffset,
-	int		signdx,
-	int		signdy,
-	int		axis,
-	int		x,
-	int		y,
-	int		e,
-	int		e1,
-	int		e3,
-	int		len);
-
-extern _X_EXPORT void
-fbSegment (DrawablePtr	pDrawable,
-	   GCPtr	pGC,
-	   int		xa,
-	   int		ya,
-	   int		xb,
-	   int		yb,
-	   Bool		drawLast,
-	   int		*dashOffset);
-
-
-/*
- * fbsolid.c
- */
-
-extern _X_EXPORT void
-fbSolid (FbBits	    *dst,
-	 FbStride   dstStride,
-	 int	    dstX,
-	 int	    bpp,
-
-	 int	    width,
-	 int	    height,
-
-	 FbBits	    and,
-	 FbBits	    xor);
-
-#ifdef FB_24BIT
-extern _X_EXPORT void
-fbSolid24 (FbBits   *dst,
-	   FbStride dstStride,
-	   int	    dstX,
-
-	   int	    width,
-	   int	    height,
-
-	   FbBits   and,
-	   FbBits   xor);
-#endif
-
-/*
- * fbstipple.c
- */
-
-extern _X_EXPORT void
-fbTransparentSpan (FbBits   *dst,
-		   FbBits   stip,
-		   FbBits   fgxor,
-		   int	    n);
-
-extern _X_EXPORT void
-fbEvenStipple (FbBits   *dst,
-	       FbStride dstStride,
-	       int	dstX,
-	       int	dstBpp,
-
-	       int	width,
-	       int	height,
-
-	       FbStip   *stip,
-	       FbStride	stipStride,
-	       int	stipHeight,
-
-	       FbBits   fgand,
-	       FbBits   fgxor,
-	       FbBits   bgand,
-	       FbBits   bgxor,
-
-	       int	xRot,
-	       int	yRot);
-
-extern _X_EXPORT void
-fbOddStipple (FbBits	*dst,
-	      FbStride	dstStride,
-	      int	dstX,
-	      int	dstBpp,
-
-	      int	width,
-	      int	height,
-
-	      FbStip	*stip,
-	      FbStride	stipStride,
-	      int	stipWidth,
-	      int	stipHeight,
-
-	      FbBits	fgand,
-	      FbBits	fgxor,
-	      FbBits	bgand,
-	      FbBits	bgxor,
-
-	      int	xRot,
-	      int	yRot);
-
-extern _X_EXPORT void
-fbStipple (FbBits   *dst,
-	   FbStride dstStride,
-	   int	    dstX,
-	   int	    dstBpp,
-
-	   int	    width,
-	   int	    height,
-
-	   FbStip   *stip,
-	   FbStride stipStride,
-	   int	    stipWidth,
-	   int	    stipHeight,
-	   Bool	    even,
-
-	   FbBits   fgand,
-	   FbBits   fgxor,
-	   FbBits   bgand,
-	   FbBits   bgxor,
-
-	   int	    xRot,
-	   int	    yRot);
-
-/*
- * fbtile.c
- */
-
-extern _X_EXPORT void
-fbEvenTile (FbBits	*dst,
-	    FbStride	dstStride,
-	    int		dstX,
-
-	    int		width,
-	    int		height,
-
-	    FbBits	*tile,
-	    FbStride	tileStride,
-	    int		tileHeight,
-
-	    int		alu,
-	    FbBits	pm,
-	    int		xRot,
-	    int		yRot);
-
-extern _X_EXPORT void
-fbOddTile (FbBits	*dst,
-	   FbStride	dstStride,
-	   int		dstX,
-
-	   int		width,
-	   int		height,
-
-	   FbBits	*tile,
-	   FbStride	tileStride,
-	   int		tileWidth,
-	   int		tileHeight,
-
-	   int		alu,
-	   FbBits	pm,
-	   int		bpp,
-	   
-	   int		xRot,
-	   int		yRot);
-
-extern _X_EXPORT void
-fbTile (FbBits	    *dst,
-	FbStride    dstStride,
-	int	    dstX,
-
-	int	    width,
-	int	    height,
-
-	FbBits	    *tile,
-	FbStride    tileStride,
-	int	    tileWidth,
-	int	    tileHeight,
-	
-	int	    alu,
-	FbBits	    pm,
-	int	    bpp,
-	
-	int	    xRot,
-	int	    yRot);
-
-/*
- * fbutil.c
- */
-extern _X_EXPORT FbBits
-fbReplicatePixel (Pixel p, int bpp);
-
-extern _X_EXPORT void
-fbReduceRasterOp (int rop, FbBits fg, FbBits pm, FbBits *andp, FbBits *xorp);
-
-#ifdef FB_ACCESS_WRAPPER
-extern _X_EXPORT ReadMemoryProcPtr wfbReadMemory;
-extern _X_EXPORT WriteMemoryProcPtr wfbWriteMemory;
-#endif
-
-/*
- * fbwindow.c
- */
-
-extern _X_EXPORT Bool
-fbCreateWindow(WindowPtr pWin);
-
-extern _X_EXPORT Bool
-fbDestroyWindow(WindowPtr pWin);
-
-extern _X_EXPORT Bool
-fbMapWindow(WindowPtr pWindow);
-
-extern _X_EXPORT Bool
-fbPositionWindow(WindowPtr pWin, int x, int y);
-
-extern _X_EXPORT Bool
-fbUnmapWindow(WindowPtr pWindow);
-    
-extern _X_EXPORT void
-fbCopyWindowProc (DrawablePtr	pSrcDrawable,
-		  DrawablePtr	pDstDrawable,
-		  GCPtr		pGC,
-		  BoxPtr	pbox,
-		  int		nbox,
-		  int		dx,
-		  int		dy,
-		  Bool		reverse,
-		  Bool		upsidedown,
-		  Pixel		bitplane,
-		  void		*closure);
-
-extern _X_EXPORT void
-fbCopyWindow(WindowPtr	    pWin, 
-	     DDXPointRec    ptOldOrg, 
-	     RegionPtr	    prgnSrc);
-
-extern _X_EXPORT Bool
-fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask);
-
-extern _X_EXPORT void
-fbFillRegionSolid (DrawablePtr	pDrawable,
-		   RegionPtr	pRegion,
-		   FbBits	and,
-		   FbBits	xor);
-
-extern _X_EXPORT pixman_image_t *
-image_from_pict (PicturePtr	pict,
-		 Bool		has_clip,
-		 int		*xoff,
-		 int		*yoff);
-
-extern _X_EXPORT void free_pixman_pict (PicturePtr, pixman_image_t *);
-
-#endif /* _FB_H_ */
-
+/*
+ *
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+
+#ifndef _FB_H_
+#define _FB_H_
+
+#include <X11/X.h>
+#include <pixman.h>
+
+#include "scrnintstr.h"
+#include "pixmap.h"
+#include "pixmapstr.h"
+#include "region.h"
+#include "gcstruct.h"
+#include "colormap.h"
+#include "miscstruct.h"
+#include "servermd.h"
+#include "windowstr.h"
+#include "privates.h"
+#include "mi.h"
+#include "migc.h"
+#include "mibstore.h"
+#include "picturestr.h"
+
+#ifdef FB_ACCESS_WRAPPER
+
+#include "wfbrename.h"
+#define FBPREFIX(x) wfb##x
+#define WRITE(ptr, val) ((*wfbWriteMemory)((ptr), (val), sizeof(*(ptr))))
+#define READ(ptr) ((*wfbReadMemory)((ptr), sizeof(*(ptr))))
+
+#define MEMCPY_WRAPPED(dst, src, size) do {                       \
+    size_t _i;                                                    \
+    CARD8 *_dst = (CARD8*)(dst), *_src = (CARD8*)(src);           \
+    for(_i = 0; _i < size; _i++) {                                \
+        WRITE(_dst +_i, READ(_src + _i));                         \
+    }                                                             \
+} while(0)
+
+#define MEMSET_WRAPPED(dst, val, size) do {                       \
+    size_t _i;                                                    \
+    CARD8 *_dst = (CARD8*)(dst);                                  \
+    for(_i = 0; _i < size; _i++) {                                \
+        WRITE(_dst +_i, (val));                                   \
+    }                                                             \
+} while(0)
+
+#else
+
+#define FBPREFIX(x) fb##x
+#define WRITE(ptr, val) (*(ptr) = (val))
+#define READ(ptr) (*(ptr))
+#define MEMCPY_WRAPPED(dst, src, size) memcpy((dst), (src), (size))
+#define MEMSET_WRAPPED(dst, val, size) memset((dst), (val), (size))
+
+#endif
+
+/*
+ * This single define controls the basic size of data manipulated
+ * by this software; it must be log2(sizeof (FbBits) * 8)
+ */
+
+#ifndef FB_SHIFT
+#define FB_SHIFT    LOG2_BITMAP_PAD
+#endif
+
+#if FB_SHIFT < LOG2_BITMAP_PAD
+    error FB_SHIFT must be >= LOG2_BITMAP_PAD
+#endif
+    
+#define FB_UNIT	    (1 << FB_SHIFT)
+#define FB_HALFUNIT (1 << (FB_SHIFT-1))
+#define FB_MASK	    (FB_UNIT - 1)
+#define FB_ALLONES  ((FbBits) -1)
+    
+#if GLYPHPADBYTES != 4
+#error "GLYPHPADBYTES must be 4"
+#endif
+/* whether to bother to include 24bpp support */
+#ifndef FBNO24BIT
+#define FB_24BIT
+#endif
+
+/*
+ * Unless otherwise instructed, fb includes code to advertise 24bpp
+ * windows with 32bpp image format for application compatibility
+ */
+
+#ifdef FB_24BIT
+#ifndef FBNO24_32
+#define FB_24_32BIT
+#endif
+#endif
+
+#define FB_STIP_SHIFT	LOG2_BITMAP_PAD
+#define FB_STIP_UNIT	(1 << FB_STIP_SHIFT)
+#define FB_STIP_MASK	(FB_STIP_UNIT - 1)
+#define FB_STIP_ALLONES	((FbStip) -1)
+    
+#define FB_STIP_ODDSTRIDE(s)	(((s) & (FB_MASK >> FB_STIP_SHIFT)) != 0)
+#define FB_STIP_ODDPTR(p)	((((long) (p)) & (FB_MASK >> 3)) != 0)
+    
+#define FbStipStrideToBitsStride(s) (((s) >> (FB_SHIFT - FB_STIP_SHIFT)))
+#define FbBitsStrideToStipStride(s) (((s) << (FB_SHIFT - FB_STIP_SHIFT)))
+    
+#define FbFullMask(n)   ((n) == FB_UNIT ? FB_ALLONES : ((((FbBits) 1) << n) - 1))
+    
+#if FB_SHIFT == 6
+# ifdef WIN32
+typedef unsigned __int64    FbBits;
+# else
+#  if defined(__alpha__) || defined(__alpha) || \
+      defined(ia64) || defined(__ia64__) || \
+      defined(__sparc64__) || defined(_LP64) || \
+      defined(__s390x__) || \
+      defined(amd64) || defined (__amd64__) || \
+      defined (__powerpc64__)
+typedef unsigned long	    FbBits;
+#  else
+typedef unsigned long long  FbBits;
+#  endif
+# endif
+#endif
+
+#if FB_SHIFT == 5
+typedef CARD32		    FbBits;
+#endif
+
+#if FB_SHIFT == 4
+typedef CARD16		    FbBits;
+#endif
+
+#if LOG2_BITMAP_PAD == FB_SHIFT
+typedef FbBits		    FbStip;
+#else
+# if LOG2_BITMAP_PAD == 5
+typedef CARD32		    FbStip;
+# endif
+#endif
+
+typedef int		    FbStride;
+
+
+#ifdef FB_DEBUG
+extern _X_EXPORT void fbValidateDrawable(DrawablePtr d);
+extern _X_EXPORT void fbInitializeDrawable(DrawablePtr d);
+extern _X_EXPORT void fbSetBits (FbStip *bits, int stride, FbStip data);
+#define FB_HEAD_BITS   (FbStip) (0xbaadf00d)
+#define FB_TAIL_BITS   (FbStip) (0xbaddf0ad)
+#else
+#define fbValidateDrawable(d)
+#define fdInitializeDrawable(d)
+#endif
+
+#include "fbrop.h"
+
+#if BITMAP_BIT_ORDER == LSBFirst
+#define FbScrLeft(x,n)	((x) >> (n))
+#define FbScrRight(x,n)	((x) << (n))
+/* #define FbLeftBits(x,n)	((x) & ((((FbBits) 1) << (n)) - 1)) */
+#define FbLeftStipBits(x,n) ((x) & ((((FbStip) 1) << (n)) - 1))
+#define FbStipMoveLsb(x,s,n)	(FbStipRight (x,(s)-(n)))
+#define FbPatternOffsetBits	0
+#else
+#define FbScrLeft(x,n)	((x) << (n))
+#define FbScrRight(x,n)	((x) >> (n))
+/* #define FbLeftBits(x,n)	((x) >> (FB_UNIT - (n))) */
+#define FbLeftStipBits(x,n) ((x) >> (FB_STIP_UNIT - (n)))
+#define FbStipMoveLsb(x,s,n)	(x)
+#define FbPatternOffsetBits	(sizeof (FbBits) - 1)
+#endif
+
+#include "micoord.h"
+
+#define FbStipLeft(x,n)	FbScrLeft(x,n)
+#define FbStipRight(x,n) FbScrRight(x,n)
+
+#define FbRotLeft(x,n)	FbScrLeft(x,n) | (n ? FbScrRight(x,FB_UNIT-n) : 0)
+#define FbRotRight(x,n)	FbScrRight(x,n) | (n ? FbScrLeft(x,FB_UNIT-n) : 0)
+
+#define FbRotStipLeft(x,n)  FbStipLeft(x,n) | (n ? FbStipRight(x,FB_STIP_UNIT-n) : 0)
+#define FbRotStipRight(x,n)  FbStipRight(x,n) | (n ? FbStipLeft(x,FB_STIP_UNIT-n) : 0)
+
+#define FbLeftMask(x)	    ( ((x) & FB_MASK) ? \
+			     FbScrRight(FB_ALLONES,(x) & FB_MASK) : 0)
+#define FbRightMask(x)	    ( ((FB_UNIT - (x)) & FB_MASK) ? \
+			     FbScrLeft(FB_ALLONES,(FB_UNIT - (x)) & FB_MASK) : 0)
+
+#define FbLeftStipMask(x)   ( ((x) & FB_STIP_MASK) ? \
+			     FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) : 0)
+#define FbRightStipMask(x)  ( ((FB_STIP_UNIT - (x)) & FB_STIP_MASK) ? \
+			     FbScrLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - (x)) & FB_STIP_MASK) : 0)
+
+#define FbBitsMask(x,w)	(FbScrRight(FB_ALLONES,(x) & FB_MASK) & \
+			 FbScrLeft(FB_ALLONES,(FB_UNIT - ((x) + (w))) & FB_MASK))
+
+#define FbStipMask(x,w)	(FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) & \
+			 FbStipLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - ((x)+(w))) & FB_STIP_MASK))
+
+
+#define FbMaskBits(x,w,l,n,r) { \
+    n = (w); \
+    r = FbRightMask((x)+n); \
+    l = FbLeftMask(x); \
+    if (l) { \
+	n -= FB_UNIT - ((x) & FB_MASK); \
+	if (n < 0) { \
+	    n = 0; \
+	    l &= r; \
+	    r = 0; \
+	} \
+    } \
+    n >>= FB_SHIFT; \
+}
+
+#ifdef FBNOPIXADDR
+#define FbMaskBitsBytes(x,w,copy,l,lb,n,r,rb) FbMaskBits(x,w,l,n,r)
+#define FbDoLeftMaskByteRRop(dst,lb,l,and,xor) { \
+    *dst = FbDoMaskRRop(*dst,and,xor,l); \
+}
+#define FbDoRightMaskByteRRop(dst,rb,r,and,xor) { \
+    *dst = FbDoMaskRRop(*dst,and,xor,r); \
+}
+#else
+
+#define FbByteMaskInvalid   0x10
+
+#define FbPatternOffset(o,t)  ((o) ^ (FbPatternOffsetBits & ~(sizeof (t) - 1)))
+
+#define FbPtrOffset(p,o,t)		((t *) ((CARD8 *) (p) + (o)))
+#define FbSelectPatternPart(xor,o,t)	((xor) >> (FbPatternOffset (o,t) << 3))
+#define FbStorePart(dst,off,t,xor)	(WRITE(FbPtrOffset(dst,off,t), \
+					 FbSelectPart(xor,off,t)))
+#ifndef FbSelectPart
+#define FbSelectPart(x,o,t) FbSelectPatternPart(x,o,t)
+#endif
+
+#define FbMaskBitsBytes(x,w,copy,l,lb,n,r,rb) { \
+    n = (w); \
+    lb = 0; \
+    rb = 0; \
+    r = FbRightMask((x)+n); \
+    if (r) { \
+	/* compute right byte length */ \
+	if ((copy) && (((x) + n) & 7) == 0) { \
+	    rb = (((x) + n) & FB_MASK) >> 3; \
+	} else { \
+	    rb = FbByteMaskInvalid; \
+	} \
+    } \
+    l = FbLeftMask(x); \
+    if (l) { \
+	/* compute left byte length */ \
+	if ((copy) && ((x) & 7) == 0) { \
+	    lb = ((x) & FB_MASK) >> 3; \
+	} else { \
+	    lb = FbByteMaskInvalid; \
+	} \
+	/* subtract out the portion painted by leftMask */ \
+	n -= FB_UNIT - ((x) & FB_MASK); \
+	if (n < 0) { \
+	    if (lb != FbByteMaskInvalid) { \
+		if (rb == FbByteMaskInvalid) { \
+		    lb = FbByteMaskInvalid; \
+		} else if (rb) { \
+		    lb |= (rb - lb) << (FB_SHIFT - 3); \
+		    rb = 0; \
+		} \
+	    } \
+	    n = 0; \
+	    l &= r; \
+	    r = 0; \
+	}\
+    } \
+    n >>= FB_SHIFT; \
+}
+
+#if FB_SHIFT == 6
+#define FbDoLeftMaskByteRRop6Cases(dst,xor) \
+    case (sizeof (FbBits) - 7) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 7) | (2 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 7) | (3 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 7) | (4 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 7) | (5 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 7) | (6 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 7): \
+	FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
+	break; \
+    case (sizeof (FbBits) - 6) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 6) | (2 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 6) | (3 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 6) | (4 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 6) | (5 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 6): \
+	FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
+	break; \
+    case (sizeof (FbBits) - 5) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 5) | (2 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 5) | (3 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 5) | (4 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 5): \
+	FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
+	break; \
+    case (sizeof (FbBits) - 4) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 4) | (2 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	break; \
+    case (sizeof (FbBits) - 4) | (3 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 4): \
+	FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
+	break;
+
+#define FbDoRightMaskByteRRop6Cases(dst,xor) \
+    case 4: \
+	FbStorePart(dst,0,CARD32,xor); \
+	break; \
+    case 5: \
+	FbStorePart(dst,0,CARD32,xor); \
+	FbStorePart(dst,4,CARD8,xor); \
+	break; \
+    case 6: \
+	FbStorePart(dst,0,CARD32,xor); \
+	FbStorePart(dst,4,CARD16,xor); \
+	break; \
+    case 7: \
+	FbStorePart(dst,0,CARD32,xor); \
+	FbStorePart(dst,4,CARD16,xor); \
+	FbStorePart(dst,6,CARD8,xor); \
+	break;
+#else
+#define FbDoLeftMaskByteRRop6Cases(dst,xor)
+#define FbDoRightMaskByteRRop6Cases(dst,xor)
+#endif
+
+#define FbDoLeftMaskByteRRop(dst,lb,l,and,xor) { \
+    switch (lb) { \
+    FbDoLeftMaskByteRRop6Cases(dst,xor) \
+    case (sizeof (FbBits) - 3) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 3) | (2 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case (sizeof (FbBits) - 2) | (1 << (FB_SHIFT - 3)): \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
+	break; \
+    case sizeof (FbBits) - 3: \
+	FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
+    case sizeof (FbBits) - 2: \
+	FbStorePart(dst,sizeof (FbBits) - 2,CARD16,xor); \
+	break; \
+    case sizeof (FbBits) - 1: \
+	FbStorePart(dst,sizeof (FbBits) - 1,CARD8,xor); \
+	break; \
+    default: \
+	WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, l)); \
+	break; \
+    } \
+}
+
+
+#define FbDoRightMaskByteRRop(dst,rb,r,and,xor) { \
+    switch (rb) { \
+    case 1: \
+	FbStorePart(dst,0,CARD8,xor); \
+	break; \
+    case 2: \
+	FbStorePart(dst,0,CARD16,xor); \
+	break; \
+    case 3: \
+	FbStorePart(dst,0,CARD16,xor); \
+	FbStorePart(dst,2,CARD8,xor); \
+	break; \
+    FbDoRightMaskByteRRop6Cases(dst,xor) \
+    default: \
+	WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, r)); \
+    } \
+}
+#endif
+
+#define FbMaskStip(x,w,l,n,r) { \
+    n = (w); \
+    r = FbRightStipMask((x)+n); \
+    l = FbLeftStipMask(x); \
+    if (l) { \
+	n -= FB_STIP_UNIT - ((x) & FB_STIP_MASK); \
+	if (n < 0) { \
+	    n = 0; \
+	    l &= r; \
+	    r = 0; \
+	} \
+    } \
+    n >>= FB_STIP_SHIFT; \
+}
+
+/*
+ * These macros are used to transparently stipple
+ * in copy mode; the expected usage is with 'n' constant
+ * so all of the conditional parts collapse into a minimal
+ * sequence of partial word writes
+ *
+ * 'n' is the bytemask of which bytes to store, 'a' is the address
+ * of the FbBits base unit, 'o' is the offset within that unit
+ *
+ * The term "lane" comes from the hardware term "byte-lane" which
+ */
+
+#define FbLaneCase1(n,a,o)						\
+    if ((n) == 0x01) {							\
+	WRITE((CARD8 *) ((a)+FbPatternOffset(o,CARD8)), fgxor);		\
+    }
+
+#define FbLaneCase2(n,a,o)						\
+    if ((n) == 0x03) {							\
+	WRITE((CARD16 *) ((a)+FbPatternOffset(o,CARD16)), fgxor);	\
+    } else {								\
+	FbLaneCase1((n)&1,a,o)						\
+	FbLaneCase1((n)>>1,a,(o)+1)					\
+    }
+
+#define FbLaneCase4(n,a,o)						\
+    if ((n) == 0x0f) {							\
+	WRITE((CARD32 *) ((a)+FbPatternOffset(o,CARD32)), fgxor);	\
+    } else {								\
+	FbLaneCase2((n)&3,a,o)						\
+	FbLaneCase2((n)>>2,a,(o)+2)					\
+    }
+
+#define FbLaneCase8(n,a,o)						\
+    if ((n) == 0x0ff) {							\
+	*(FbBits *) ((a)+(o)) = fgxor;					\
+    } else {								\
+	FbLaneCase4((n)&15,a,o)						\
+	FbLaneCase4((n)>>4,a,(o)+4)					\
+    }
+
+#if FB_SHIFT == 6
+#define FbLaneCase(n,a)   FbLaneCase8(n,(CARD8 *) (a),0)
+#endif
+
+#if FB_SHIFT == 5
+#define FbLaneCase(n,a)   FbLaneCase4(n,(CARD8 *) (a),0)
+#endif
+
+/* Rotate a filled pixel value to the specified alignement */
+#define FbRot24(p,b)	    (FbScrRight(p,b) | FbScrLeft(p,24-(b)))
+#define FbRot24Stip(p,b)    (FbStipRight(p,b) | FbStipLeft(p,24-(b)))
+
+/* step a filled pixel value to the next/previous FB_UNIT alignment */
+#define FbNext24Pix(p)	(FbRot24(p,(24-FB_UNIT%24)))
+#define FbPrev24Pix(p)	(FbRot24(p,FB_UNIT%24))
+#define FbNext24Stip(p)	(FbRot24(p,(24-FB_STIP_UNIT%24)))
+#define FbPrev24Stip(p)	(FbRot24(p,FB_STIP_UNIT%24))
+
+/* step a rotation value to the next/previous rotation value */
+#if FB_UNIT == 64
+#define FbNext24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
+#define FbPrev24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
+
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define FbFirst24Rot(x)		(((x) + 8) % 24)
+#else
+#define FbFirst24Rot(x)		((x) % 24)
+#endif
+
+#endif
+
+#if FB_UNIT == 32
+#define FbNext24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
+#define FbPrev24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
+
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define FbFirst24Rot(x)		(((x) + 16) % 24)
+#else
+#define FbFirst24Rot(x)		((x) % 24)
+#endif
+#endif
+
+#define FbNext24RotStip(r)        ((r) == 0 ? 16 : (r) - 8)
+#define FbPrev24RotStip(r)        ((r) == 16 ? 0 : (r) + 8)
+
+/* Whether 24-bit specific code is needed for this filled pixel value */
+#define FbCheck24Pix(p)	((p) == FbNext24Pix(p))
+
+/* Macros for dealing with dashing */
+
+#define FbDashDeclare	\
+    unsigned char	*__dash, *__firstDash, *__lastDash
+    
+#define FbDashInit(pGC,pPriv,dashOffset,dashlen,even) {	    \
+    (even) = TRUE;					    \
+    __firstDash = (pGC)->dash;				    \
+    __lastDash = __firstDash + (pGC)->numInDashList;	    \
+    (dashOffset) %= (pPriv)->dashLength;		    \
+							    \
+    __dash = __firstDash;				    \
+    while ((dashOffset) >= ((dashlen) = *__dash))	    \
+    {							    \
+	(dashOffset) -= (dashlen);			    \
+	(even) = 1-(even);				    \
+	if (++__dash == __lastDash)			    \
+	    __dash = __firstDash;			    \
+    }							    \
+    (dashlen) -= (dashOffset);				    \
+}
+
+#define FbDashNext(dashlen) {				    \
+    if (++__dash == __lastDash)				    \
+	__dash = __firstDash;				    \
+    (dashlen) = *__dash;				    \
+}
+
+/* as numInDashList is always even, this case can skip a test */
+
+#define FbDashNextEven(dashlen) {			    \
+    (dashlen) = *++__dash;				    \
+}
+
+#define FbDashNextOdd(dashlen)	FbDashNext(dashlen)
+
+#define FbDashStep(dashlen,even) {			    \
+    if (!--(dashlen)) {					    \
+	FbDashNext(dashlen);				    \
+	(even) = 1-(even);				    \
+    }							    \
+}
+
+extern _X_EXPORT DevPrivateKey
+fbGetGCPrivateKey (void);
+
+extern _X_EXPORT DevPrivateKey
+fbGetWinPrivateKey (void);
+
+extern _X_EXPORT const GCOps	fbGCOps;
+extern _X_EXPORT const GCFuncs	fbGCFuncs;
+
+#ifdef FB_24_32BIT
+#define FB_SCREEN_PRIVATE
+#endif
+
+/* Framebuffer access wrapper */
+typedef FbBits (*ReadMemoryProcPtr)(const void *src, int size);
+typedef void (*WriteMemoryProcPtr)(void *dst, FbBits value, int size);
+typedef void (*SetupWrapProcPtr)(ReadMemoryProcPtr  *pRead,
+                                 WriteMemoryProcPtr *pWrite,
+                                 DrawablePtr         pDraw);
+typedef void (*FinishWrapProcPtr)(DrawablePtr pDraw);
+
+#ifdef FB_ACCESS_WRAPPER
+
+#define fbPrepareAccess(pDraw) \
+	fbGetScreenPrivate((pDraw)->pScreen)->setupWrap( \
+		&wfbReadMemory, \
+		&wfbWriteMemory, \
+		(pDraw))
+#define fbFinishAccess(pDraw) \
+	fbGetScreenPrivate((pDraw)->pScreen)->finishWrap(pDraw)
+
+#else
+
+#define fbPrepareAccess(pPix)
+#define fbFinishAccess(pDraw)
+
+#endif
+
+
+#ifdef FB_SCREEN_PRIVATE
+extern _X_EXPORT DevPrivateKey
+fbGetScreenPrivateKey(void);
+
+/* private field of a screen */
+typedef struct {
+    unsigned char	win32bpp;	/* window bpp for 32-bpp images */
+    unsigned char	pix32bpp;	/* pixmap bpp for 32-bpp images */
+#ifdef FB_ACCESS_WRAPPER
+    SetupWrapProcPtr	setupWrap;	/* driver hook to set pixmap access wrapping */
+    FinishWrapProcPtr	finishWrap;	/* driver hook to clean up pixmap access wrapping */
+#endif
+} FbScreenPrivRec, *FbScreenPrivPtr;
+
+#define fbGetScreenPrivate(pScreen) ((FbScreenPrivPtr) \
+				     dixLookupPrivate(&(pScreen)->devPrivates, fbGetScreenPrivateKey()))
+#endif
+
+/* private field of GC */
+typedef struct {
+    FbBits		and, xor;	/* reduced rop values */
+    FbBits		bgand, bgxor;	/* for stipples */
+    FbBits		fg, bg, pm;	/* expanded and filled */
+    unsigned int	dashLength;	/* total of all dash elements */
+    unsigned char    	evenStipple;	/* stipple is even */
+    unsigned char    	bpp;		/* current drawable bpp */
+} FbGCPrivRec, *FbGCPrivPtr;
+
+#define fbGetGCPrivate(pGC)	((FbGCPrivPtr)\
+				 dixLookupPrivate(&(pGC)->devPrivates, fbGetGCPrivateKey()))
+
+#define fbGetCompositeClip(pGC) ((pGC)->pCompositeClip)
+#define fbGetExpose(pGC)	((pGC)->fExpose)
+#define fbGetFreeCompClip(pGC)	((pGC)->freeCompClip)
+#define fbGetRotatedPixmap(pGC)	((pGC)->pRotatedPixmap)
+
+#define fbGetScreenPixmap(s)	((PixmapPtr) (s)->devPrivate)
+#define fbGetWindowPixmap(pWin)	((PixmapPtr)\
+				 dixLookupPrivate(&((WindowPtr)(pWin))->devPrivates, fbGetWinPrivateKey()))
+
+#ifdef ROOTLESS
+#define __fbPixDrawableX(pPix)	((pPix)->drawable.x)
+#define __fbPixDrawableY(pPix)	((pPix)->drawable.y)
+#else
+#define __fbPixDrawableX(pPix)	0
+#define __fbPixDrawableY(pPix)	0
+#endif
+
+#ifdef COMPOSITE
+#define __fbPixOffXWin(pPix)	(__fbPixDrawableX(pPix) - (pPix)->screen_x)
+#define __fbPixOffYWin(pPix)	(__fbPixDrawableY(pPix) - (pPix)->screen_y)
+#else
+#define __fbPixOffXWin(pPix)	(__fbPixDrawableX(pPix))
+#define __fbPixOffYWin(pPix)	(__fbPixDrawableY(pPix))
+#endif
+#define __fbPixOffXPix(pPix)	(__fbPixDrawableX(pPix))
+#define __fbPixOffYPix(pPix)	(__fbPixDrawableY(pPix))
+
+#define fbGetDrawablePixmap(pDrawable, pixmap, xoff, yoff) {			\
+    if ((pDrawable)->type != DRAWABLE_PIXMAP) { 				\
+	(pixmap) = fbGetWindowPixmap(pDrawable);				\
+	(xoff) = __fbPixOffXWin(pixmap); 					\
+	(yoff) = __fbPixOffYWin(pixmap); 					\
+    } else { 									\
+	(pixmap) = (PixmapPtr) (pDrawable);					\
+	(xoff) = __fbPixOffXPix(pixmap); 					\
+	(yoff) = __fbPixOffYPix(pixmap); 					\
+    } 										\
+    fbPrepareAccess(pDrawable); 						\
+}
+
+#define fbGetPixmapBitsData(pixmap, pointer, stride, bpp) {			\
+    (pointer) = (FbBits *) (pixmap)->devPrivate.ptr; 			       	\
+    (stride) = ((int) (pixmap)->devKind) / sizeof (FbBits); (void)(stride);	\
+    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
+}
+
+#define fbGetPixmapStipData(pixmap, pointer, stride, bpp) {			\
+    (pointer) = (FbStip *) (pixmap)->devPrivate.ptr; 			       	\
+    (stride) = ((int) (pixmap)->devKind) / sizeof (FbStip); (void)(stride);	\
+    (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp); 			\
+}
+
+#define fbGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 		\
+    PixmapPtr   _pPix; 								\
+    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff); 				\
+    fbGetPixmapBitsData(_pPix, pointer, stride, bpp);				\
+}
+
+#define fbGetStipDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) { 	\
+    PixmapPtr   _pPix; 								\
+    fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff);				\
+    fbGetPixmapStipData(_pPix, pointer, stride, bpp);				\
+}
+
+/*
+ * XFree86 empties the root BorderClip when the VT is inactive,
+ * here's a macro which uses that to disable GetImage and GetSpans
+ */
+
+#define fbWindowEnabled(pWin) \
+    RegionNotEmpty(&(pWin)->drawable.pScreen->root->borderClip)
+
+#define fbDrawableEnabled(pDrawable) \
+    ((pDrawable)->type == DRAWABLE_PIXMAP ? \
+     TRUE : fbWindowEnabled((WindowPtr) pDrawable))
+
+#define FbPowerOfTwo(w)	    (((w) & ((w) - 1)) == 0)
+/*
+ * Accelerated tiles are power of 2 width <= FB_UNIT
+ */
+#define FbEvenTile(w)	    ((w) <= FB_UNIT && FbPowerOfTwo(w))
+/*
+ * Accelerated stipples are power of 2 width and <= FB_UNIT/dstBpp
+ * with dstBpp a power of 2 as well
+ */
+#define FbEvenStip(w,bpp)   ((w) * (bpp) <= FB_UNIT && FbPowerOfTwo(w) && FbPowerOfTwo(bpp))
+
+/*
+ * fb24_32.c
+ */
+extern _X_EXPORT void
+fb24_32GetSpans(DrawablePtr	pDrawable, 
+		int		wMax, 
+		DDXPointPtr	ppt, 
+		int		*pwidth, 
+		int		nspans, 
+		char		*pchardstStart);
+
+extern _X_EXPORT void
+fb24_32SetSpans (DrawablePtr	    pDrawable,
+		 GCPtr		    pGC,
+		 char		    *src,
+		 DDXPointPtr	    ppt,
+		 int		    *pwidth,
+		 int		    nspans,
+		 int		    fSorted);
+
+extern _X_EXPORT void
+fb24_32PutZImage (DrawablePtr	pDrawable,
+		  RegionPtr	pClip,
+		  int		alu,
+		  FbBits	pm,
+		  int		x,
+		  int		y,
+		  int		width,
+		  int		height,
+		  CARD8		*src,
+		  FbStride	srcStride);
+    
+extern _X_EXPORT void
+fb24_32GetImage (DrawablePtr     pDrawable,
+		 int             x,
+		 int             y,
+		 int             w,
+		 int             h,
+		 unsigned int    format,
+		 unsigned long   planeMask,
+		 char            *d);
+
+extern _X_EXPORT void
+fb24_32CopyMtoN (DrawablePtr pSrcDrawable,
+		 DrawablePtr pDstDrawable,
+		 GCPtr       pGC,
+		 BoxPtr      pbox,
+		 int         nbox,
+		 int         dx,
+		 int         dy,
+		 Bool        reverse,
+		 Bool        upsidedown,
+		 Pixel       bitplane,
+		 void        *closure);
+
+extern _X_EXPORT PixmapPtr
+fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel);
+    
+extern _X_EXPORT Bool
+fb24_32CreateScreenResources(ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+fb24_32ModifyPixmapHeader (PixmapPtr   pPixmap,
+			   int         width,
+			   int         height,
+			   int         depth,
+			   int         bitsPerPixel,
+			   int         devKind,
+			   pointer     pPixData);
+
+/*
+ * fballpriv.c
+ */
+extern _X_EXPORT Bool
+fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCIndex);
+    
+/*
+ * fbarc.c
+ */
+
+extern _X_EXPORT void
+fbPolyArc (DrawablePtr	pDrawable,
+	   GCPtr	pGC,
+	   int		narcs,
+	   xArc		*parcs);
+
+/*
+ * fbbits.c
+ */
+
+extern _X_EXPORT void
+fbBresSolid8(DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    dashOffset,
+	     int	    signdx,
+	     int	    signdy,
+	     int	    axis,
+	     int	    x,
+	     int	    y,
+	     int	    e,
+	     int	    e1,
+	     int	    e3,
+	     int	    len);
+
+extern _X_EXPORT void
+fbBresDash8 (DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    dashOffset,
+	     int	    signdx,
+	     int	    signdy,
+	     int	    axis,
+	     int	    x,
+	     int	    y,
+	     int	    e,
+	     int	    e1,
+	     int	    e3,
+	     int	    len);
+
+extern _X_EXPORT void
+fbDots8 (FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstBpp,
+	 BoxPtr	    pBox,
+	 xPoint	    *pts,
+	 int	    npt,
+	 int	    xorg,
+	 int	    yorg,
+	 int	    xoff,
+	 int	    yoff,
+	 FbBits	    and,
+	 FbBits	    xor);
+
+extern _X_EXPORT void
+fbArc8 (FbBits	    *dst,
+	FbStride    dstStride,
+	int	    dstBpp,
+	xArc	    *arc,
+	int	    dx,
+	int	    dy,
+	FbBits	    and,
+	FbBits	    xor);
+
+extern _X_EXPORT void
+fbGlyph8 (FbBits    *dstLine,
+	  FbStride  dstStride,
+	  int	    dstBpp,
+	  FbStip    *stipple,
+	  FbBits    fg,
+	  int	    height,
+	  int	    shift);
+
+extern _X_EXPORT void
+fbPolyline8 (DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    mode,
+	     int	    npt,
+	     DDXPointPtr    ptsOrig);
+
+extern _X_EXPORT void
+fbPolySegment8 (DrawablePtr pDrawable,
+		GCPtr	    pGC,
+		int	    nseg,
+		xSegment    *pseg);
+
+extern _X_EXPORT void
+fbBresSolid16(DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    dashOffset,
+	      int	    signdx,
+	      int	    signdy,
+	      int	    axis,
+	      int	    x,
+	      int	    y,
+	      int	    e,
+	      int	    e1,
+	      int	    e3,
+	      int	    len);
+
+extern _X_EXPORT void
+fbBresDash16(DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    dashOffset,
+	     int	    signdx,
+	     int	    signdy,
+	     int	    axis,
+	     int	    x,
+	     int	    y,
+	     int	    e,
+	     int	    e1,
+	     int	    e3,
+	     int	    len);
+
+extern _X_EXPORT void
+fbDots16(FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstBpp,
+	 BoxPtr	    pBox,
+	 xPoint	    *pts,
+	 int	    npt,
+	 int	    xorg,
+	 int	    yorg,
+	 int	    xoff,
+	 int	    yoff,
+	 FbBits	    and,
+	 FbBits	    xor);
+
+extern _X_EXPORT void
+fbArc16(FbBits	    *dst,
+	FbStride    dstStride,
+	int	    dstBpp,
+	xArc	    *arc,
+	int	    dx,
+	int	    dy,
+	FbBits	    and,
+	FbBits	    xor);
+
+extern _X_EXPORT void
+fbGlyph16(FbBits    *dstLine,
+	  FbStride  dstStride,
+	  int	    dstBpp,
+	  FbStip    *stipple,
+	  FbBits    fg,
+	  int	    height,
+	  int	    shift);
+
+extern _X_EXPORT void
+fbPolyline16 (DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    mode,
+	      int	    npt,
+	      DDXPointPtr   ptsOrig);
+
+extern _X_EXPORT void
+fbPolySegment16 (DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		nseg,
+		 xSegment	*pseg);
+
+
+extern _X_EXPORT void
+fbBresSolid24(DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    dashOffset,
+	      int	    signdx,
+	      int	    signdy,
+	      int	    axis,
+	      int	    x,
+	      int	    y,
+	      int	    e,
+	      int	    e1,
+	      int	    e3,
+	      int	    len);
+
+extern _X_EXPORT void
+fbBresDash24(DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    dashOffset,
+	     int	    signdx,
+	     int	    signdy,
+	     int	    axis,
+	     int	    x,
+	     int	    y,
+	     int	    e,
+	     int	    e1,
+	     int	    e3,
+	     int	    len);
+
+extern _X_EXPORT void
+fbDots24(FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstBpp,
+	 BoxPtr	    pBox,
+	 xPoint	    *pts,
+	 int	    npt,
+	 int	    xorg,
+	 int	    yorg,
+	 int	    xoff,
+	 int	    yoff,
+	 FbBits	    and,
+	 FbBits	    xor);
+
+extern _X_EXPORT void
+fbArc24(FbBits	    *dst,
+	FbStride    dstStride,
+	int	    dstBpp,
+	xArc	    *arc,
+	int	    dx,
+	int	    dy,
+	FbBits	    and,
+	FbBits	    xor);
+
+extern _X_EXPORT void
+fbGlyph24(FbBits    *dstLine,
+	  FbStride  dstStride,
+	  int	    dstBpp,
+	  FbStip    *stipple,
+	  FbBits    fg,
+	  int	    height,
+	  int	    shift);
+
+extern _X_EXPORT void
+fbPolyline24 (DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    mode,
+	      int	    npt,
+	      DDXPointPtr   ptsOrig);
+
+extern _X_EXPORT void
+fbPolySegment24 (DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		nseg,
+		 xSegment	*pseg);
+
+
+extern _X_EXPORT void
+fbBresSolid32(DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    dashOffset,
+	      int	    signdx,
+	      int	    signdy,
+	      int	    axis,
+	      int	    x,
+	      int	    y,
+	      int	    e,
+	      int	    e1,
+	      int	    e3,
+	      int	    len);
+
+extern _X_EXPORT void
+fbBresDash32(DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    dashOffset,
+	     int	    signdx,
+	     int	    signdy,
+	     int	    axis,
+	     int	    x,
+	     int	    y,
+	     int	    e,
+	     int	    e1,
+	     int	    e3,
+	     int	    len);
+
+extern _X_EXPORT void
+fbDots32(FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstBpp,
+	 BoxPtr	    pBox,
+	 xPoint	    *pts,
+	 int	    npt,
+	 int	    xorg,
+	 int	    yorg,
+	 int	    xoff,
+	 int	    yoff,
+	 FbBits	    and,
+	 FbBits	    xor);
+
+extern _X_EXPORT void
+fbArc32(FbBits	    *dst,
+	FbStride    dstStride,
+	int	    dstBpp,
+	xArc	    *arc,
+	int	    dx,
+	int	    dy,
+	FbBits	    and,
+	FbBits	    xor);
+
+extern _X_EXPORT void
+fbGlyph32(FbBits    *dstLine,
+	  FbStride  dstStride,
+	  int	    dstBpp,
+	  FbStip    *stipple,
+	  FbBits    fg,
+	  int	    height,
+	  int	    shift);
+extern _X_EXPORT void
+fbPolyline32 (DrawablePtr   pDrawable,
+	      GCPtr	    pGC,
+	      int	    mode,
+	      int	    npt,
+	      DDXPointPtr   ptsOrig);
+
+extern _X_EXPORT void
+fbPolySegment32 (DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		nseg,
+		 xSegment	*pseg);
+
+/*
+ * fbblt.c
+ */
+extern _X_EXPORT void
+fbBlt (FbBits   *src, 
+       FbStride	srcStride,
+       int	srcX,
+       
+       FbBits   *dst,
+       FbStride dstStride,
+       int	dstX,
+       
+       int	width, 
+       int	height,
+       
+       int	alu,
+       FbBits	pm,
+       int	bpp,
+       
+       Bool	reverse,
+       Bool	upsidedown);
+
+extern _X_EXPORT void
+fbBlt24 (FbBits	    *srcLine,
+	 FbStride   srcStride,
+	 int	    srcX,
+
+	 FbBits	    *dstLine,
+	 FbStride   dstStride,
+	 int	    dstX,
+
+	 int	    width, 
+	 int	    height,
+
+	 int	    alu,
+	 FbBits	    pm,
+
+	 Bool	    reverse,
+	 Bool	    upsidedown);
+    
+extern _X_EXPORT void
+fbBltStip (FbStip   *src,
+	   FbStride srcStride,	    /* in FbStip units, not FbBits units */
+	   int	    srcX,
+	   
+	   FbStip   *dst,
+	   FbStride dstStride,	    /* in FbStip units, not FbBits units */
+	   int	    dstX,
+
+	   int	    width, 
+	   int	    height,
+
+	   int	    alu,
+	   FbBits   pm,
+	   int	    bpp);
+    
+/*
+ * fbbltone.c
+ */
+extern _X_EXPORT void
+fbBltOne (FbStip   *src,
+	  FbStride srcStride,
+	  int	   srcX,
+	  FbBits   *dst,
+	  FbStride dstStride,
+	  int	   dstX,
+	  int	   dstBpp,
+
+	  int	   width,
+	  int	   height,
+
+	  FbBits   fgand,
+	  FbBits   fbxor,
+	  FbBits   bgand,
+	  FbBits   bgxor);
+ 
+#ifdef FB_24BIT
+extern _X_EXPORT void
+fbBltOne24 (FbStip    *src,
+	  FbStride  srcStride,	    /* FbStip units per scanline */
+	  int	    srcX,	    /* bit position of source */
+	  FbBits    *dst,
+	  FbStride  dstStride,	    /* FbBits units per scanline */
+	  int	    dstX,	    /* bit position of dest */
+	  int	    dstBpp,	    /* bits per destination unit */
+
+	  int	    width,	    /* width in bits of destination */
+	  int	    height,	    /* height in scanlines */
+
+	  FbBits    fgand,	    /* rrop values */
+	  FbBits    fgxor,
+	  FbBits    bgand,
+	  FbBits    bgxor);
+#endif
+
+extern _X_EXPORT void
+fbBltPlane (FbBits	    *src,
+	    FbStride	    srcStride,
+	    int		    srcX,
+	    int		    srcBpp,
+
+	    FbStip	    *dst,
+	    FbStride	    dstStride,
+	    int		    dstX,
+	    
+	    int		    width,
+	    int		    height,
+	    
+	    FbStip	    fgand,
+	    FbStip	    fgxor,
+	    FbStip	    bgand,
+	    FbStip	    bgxor,
+	    Pixel	    planeMask);
+
+/*
+ * fbcmap_mi.c
+ */
+extern _X_EXPORT int
+fbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps);
+
+extern _X_EXPORT void
+fbInstallColormap(ColormapPtr pmap);
+
+extern _X_EXPORT void
+fbUninstallColormap(ColormapPtr pmap);
+
+extern _X_EXPORT void
+fbResolveColor(unsigned short	*pred, 
+	       unsigned short	*pgreen, 
+	       unsigned short	*pblue,
+	       VisualPtr	pVisual);
+
+extern _X_EXPORT Bool
+fbInitializeColormap(ColormapPtr pmap);
+
+extern _X_EXPORT int
+fbExpandDirectColors (ColormapPtr   pmap, 
+		      int	    ndef,
+		      xColorItem    *indefs,
+		      xColorItem    *outdefs);
+
+extern _X_EXPORT Bool
+fbCreateDefColormap(ScreenPtr pScreen);
+
+extern _X_EXPORT void
+fbClearVisualTypes(void);
+
+extern _X_EXPORT Bool
+fbHasVisualTypes (int depth);
+
+extern _X_EXPORT Bool
+fbSetVisualTypes (int depth, int visuals, int bitsPerRGB);
+
+extern _X_EXPORT Bool
+fbSetVisualTypesAndMasks (int depth, int visuals, int bitsPerRGB,
+			  Pixel redMask, Pixel greenMask, Pixel blueMask);
+
+extern _X_EXPORT Bool
+fbInitVisuals (VisualPtr    *visualp, 
+	       DepthPtr	    *depthp,
+	       int	    *nvisualp,
+	       int	    *ndepthp,
+	       int	    *rootDepthp,
+	       VisualID	    *defaultVisp,
+	       unsigned long	sizes,
+	       int	    bitsPerRGB);
+
+/*
+ * fbcopy.c
+ */
+
+/* Compatibility definition, to be removed at next ABI change. */
+typedef void   (*fbCopyProc) (DrawablePtr  pSrcDrawable,
+                              DrawablePtr  pDstDrawable,
+                              GCPtr        pGC,
+                              BoxPtr       pDstBox,
+                              int          nbox,
+                              int          dx,
+                              int          dy,
+                              Bool         reverse,
+                              Bool         upsidedown,
+                              Pixel        bitplane,
+                              void         *closure);
+
+extern _X_EXPORT void
+fbCopyNtoN (DrawablePtr	pSrcDrawable,
+	    DrawablePtr	pDstDrawable,
+	    GCPtr	pGC,
+	    BoxPtr	pbox,
+	    int		nbox,
+	    int		dx,
+	    int		dy,
+	    Bool	reverse,
+	    Bool	upsidedown,
+	    Pixel	bitplane,
+	    void	*closure);
+
+/* Compatibility wrapper, to be removed at next ABI change. */
+extern _X_EXPORT void
+fbCopyRegion (DrawablePtr   pSrcDrawable,
+             DrawablePtr   pDstDrawable,
+             GCPtr         pGC,
+             RegionPtr     pDstRegion,
+             int           dx,
+             int           dy,
+             fbCopyProc    copyProc,
+             Pixel         bitPlane,
+             void          *closure);
+
+/* Compatibility wrapper, to be removed at next ABI change. */
+extern _X_EXPORT RegionPtr
+fbDoCopy (DrawablePtr  pSrcDrawable,
+         DrawablePtr   pDstDrawable,
+         GCPtr         pGC,
+         int           xIn,
+         int           yIn,
+         int           widthSrc,
+         int           heightSrc,
+         int           xOut,
+         int           yOut,
+         fbCopyProc    copyProc,
+         Pixel         bitplane,
+         void          *closure);
+
+extern _X_EXPORT void
+fbCopy1toN (DrawablePtr	pSrcDrawable,
+	    DrawablePtr	pDstDrawable,
+	    GCPtr	pGC,
+	    BoxPtr	pbox,
+	    int		nbox,
+	    int		dx,
+	    int		dy,
+	    Bool	reverse,
+	    Bool	upsidedown,
+	    Pixel	bitplane,
+	    void	*closure);
+
+extern _X_EXPORT void
+fbCopyNto1 (DrawablePtr	pSrcDrawable,
+	    DrawablePtr	pDstDrawable,
+	    GCPtr	pGC,
+	    BoxPtr	pbox,
+	    int		nbox,
+	    int		dx,
+	    int		dy,
+	    Bool	reverse,
+	    Bool	upsidedown,
+	    Pixel	bitplane,
+	    void	*closure);
+
+extern _X_EXPORT RegionPtr
+fbCopyArea (DrawablePtr	pSrcDrawable,
+	    DrawablePtr	pDstDrawable,
+	    GCPtr	pGC,
+	    int		xIn, 
+	    int		yIn,
+	    int		widthSrc, 
+	    int		heightSrc,
+	    int		xOut, 
+	    int		yOut);
+
+extern _X_EXPORT RegionPtr
+fbCopyPlane (DrawablePtr    pSrcDrawable,
+	     DrawablePtr    pDstDrawable,
+	     GCPtr	    pGC,
+	     int	    xIn, 
+	     int	    yIn,
+	     int	    widthSrc, 
+	     int	    heightSrc,
+	     int	    xOut, 
+	     int	    yOut,
+	     unsigned long  bitplane);
+
+/*
+ * fbfill.c
+ */
+extern _X_EXPORT void
+fbFill (DrawablePtr pDrawable,
+	GCPtr	    pGC,
+	int	    x,
+	int	    y,
+	int	    width,
+	int	    height);
+
+extern _X_EXPORT void
+fbSolidBoxClipped (DrawablePtr	pDrawable,
+		   RegionPtr	pClip,
+		   int		xa,
+		   int		ya,
+		   int		xb,
+		   int		yb,
+		   FbBits	and,
+		   FbBits	xor);
+
+/*
+ * fbfillrect.c
+ */
+extern _X_EXPORT void
+fbPolyFillRect(DrawablePtr  pDrawable, 
+	       GCPtr	    pGC, 
+	       int	    nrectInit,
+	       xRectangle   *prectInit);
+
+#define fbPolyFillArc miPolyFillArc
+
+#define fbFillPolygon miFillPolygon
+
+/*
+ * fbfillsp.c
+ */
+extern _X_EXPORT void
+fbFillSpans (DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    nInit,
+	     DDXPointPtr    pptInit,
+	     int	    *pwidthInit,
+	     int	    fSorted);
+
+
+/*
+ * fbgc.c
+ */
+
+extern _X_EXPORT Bool
+fbCreateGC(GCPtr pGC);
+
+extern _X_EXPORT void
+fbPadPixmap (PixmapPtr pPixmap);
+    
+extern _X_EXPORT void
+fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
+
+/*
+ * fbgetsp.c
+ */
+extern _X_EXPORT void
+fbGetSpans(DrawablePtr	pDrawable, 
+	   int		wMax, 
+	   DDXPointPtr	ppt, 
+	   int		*pwidth, 
+	   int		nspans, 
+	   char		*pchardstStart);
+
+/*
+ * fbglyph.c
+ */
+
+extern _X_EXPORT Bool
+fbGlyphIn (RegionPtr	pRegion,
+	   int		x,
+	   int		y,
+	   int		width,
+	   int		height);
+    
+extern _X_EXPORT void
+fbPolyGlyphBlt (DrawablePtr	pDrawable,
+		GCPtr		pGC,
+		int		x, 
+		int		y,
+		unsigned int	nglyph,
+		CharInfoPtr	*ppci,
+		pointer		pglyphBase);
+
+extern _X_EXPORT void
+fbImageGlyphBlt (DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		x,
+		 int		y,
+		 unsigned int	nglyph,
+		 CharInfoPtr	*ppci,
+		 pointer	pglyphBase);
+
+/*
+ * fbimage.c
+ */
+
+extern _X_EXPORT void
+fbPutImage (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+	    int		depth,
+	    int		x,
+	    int		y,
+	    int		w,
+	    int		h,
+	    int		leftPad,
+	    int		format,
+	    char	*pImage);
+
+extern _X_EXPORT void
+fbPutZImage (DrawablePtr	pDrawable,
+	     RegionPtr		pClip,
+	     int		alu,
+	     FbBits		pm,
+	     int		x,
+	     int		y,
+	     int		width,
+	     int		height,
+	     FbStip		*src,
+	     FbStride		srcStride);
+
+extern _X_EXPORT void
+fbPutXYImage (DrawablePtr	pDrawable,
+	      RegionPtr		pClip,
+	      FbBits		fg,
+	      FbBits		bg,
+	      FbBits		pm,
+	      int		alu,
+	      Bool		opaque,
+	      
+	      int		x,
+	      int		y,
+	      int		width,
+	      int		height,
+
+	      FbStip		*src,
+	      FbStride		srcStride,
+	      int		srcX);
+
+extern _X_EXPORT void
+fbGetImage (DrawablePtr	    pDrawable,
+	    int		    x,
+	    int		    y,
+	    int		    w,
+	    int		    h,
+	    unsigned int    format,
+	    unsigned long   planeMask,
+	    char	    *d);
+/*
+ * fbline.c
+ */
+
+extern _X_EXPORT void
+fbZeroLine (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+	    int		mode,
+	    int		npt,
+	    DDXPointPtr	ppt);
+
+extern _X_EXPORT void
+fbZeroSegment (DrawablePtr  pDrawable,
+	       GCPtr	    pGC,
+	       int	    nseg,
+	       xSegment	    *pSegs);
+
+extern _X_EXPORT void
+fbPolyLine (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+	    int		mode,
+	    int		npt,
+	    DDXPointPtr	ppt);
+
+extern _X_EXPORT void
+fbFixCoordModePrevious (int npt,
+			DDXPointPtr ppt);
+
+extern _X_EXPORT void
+fbPolySegment (DrawablePtr  pDrawable,
+	       GCPtr	    pGC,
+	       int	    nseg,
+	       xSegment	    *pseg);
+
+#define fbPolyRectangle	miPolyRectangle
+
+/*
+ * fbpict.c
+ */
+
+extern _X_EXPORT Bool
+fbPictureInit (ScreenPtr pScreen,
+	       PictFormatPtr formats,
+	       int nformats);
+
+/*
+ * fbpixmap.c
+ */
+
+extern _X_EXPORT PixmapPtr
+fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
+		   unsigned class);
+
+extern _X_EXPORT PixmapPtr
+fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
+		unsigned class);
+
+extern _X_EXPORT Bool
+fbDestroyPixmap (PixmapPtr pPixmap);
+
+extern _X_EXPORT RegionPtr
+fbPixmapToRegion(PixmapPtr pPix);
+
+/*
+ * fbpoint.c
+ */
+
+extern _X_EXPORT void
+fbDots (FbBits	    *dstOrig,
+	FbStride    dstStride,
+	int	    dstBpp,
+	BoxPtr	    pBox,
+	xPoint	    *pts,
+	int	    npt,
+	int	    xorg,
+	int	    yorg,
+	int	    xoff,
+	int	    yoff,
+	FbBits	    andOrig,
+	FbBits	    xorOrig);
+
+extern _X_EXPORT void
+fbPolyPoint (DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     int	    mode,
+	     int	    npt,
+	     xPoint	    *pptInit);
+
+/*
+ * fbpush.c
+ */
+extern _X_EXPORT void
+fbPushPattern (DrawablePtr  pDrawable,
+	       GCPtr	    pGC,
+	       
+	       FbStip	    *src,
+	       FbStride	    srcStride,
+	       int	    srcX,
+
+	       int	    x,
+	       int	    y,
+
+	       int	    width,
+	       int	    height);
+
+extern _X_EXPORT void
+fbPushFill (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+
+	    FbStip	*src,
+	    FbStride	srcStride,
+	    int		srcX,
+	    
+	    int		x,
+	    int		y,
+	    int		width,
+	    int		height);
+
+extern _X_EXPORT void
+fbPushImage (DrawablePtr    pDrawable,
+	     GCPtr	    pGC,
+	     
+	     FbStip	    *src,
+	     FbStride	    srcStride,
+	     int	    srcX,
+
+	     int	    x,
+	     int	    y,
+	     int	    width,
+	     int	    height);
+
+extern _X_EXPORT void
+fbPushPixels (GCPtr	    pGC,
+	      PixmapPtr	    pBitmap,
+	      DrawablePtr   pDrawable,
+	      int	    dx,
+	      int	    dy,
+	      int	    xOrg,
+	      int	    yOrg);
+
+
+/*
+ * fbscreen.c
+ */
+
+extern _X_EXPORT Bool
+fbCloseScreen (int indx, ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+fbRealizeFont(ScreenPtr pScreen, FontPtr pFont);
+
+extern _X_EXPORT Bool
+fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont);
+
+extern _X_EXPORT void
+fbQueryBestSize (int class, 
+		 unsigned short *width, unsigned short *height,
+		 ScreenPtr pScreen);
+
+extern _X_EXPORT PixmapPtr
+_fbGetWindowPixmap (WindowPtr pWindow);
+
+extern _X_EXPORT void
+_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap);
+
+extern _X_EXPORT Bool
+fbSetupScreen(ScreenPtr	pScreen, 
+	      pointer	pbits,		/* pointer to screen bitmap */
+	      int	xsize, 		/* in pixels */
+	      int	ysize,
+	      int	dpix,		/* dots per inch */
+	      int	dpiy,
+	      int	width,		/* pixel width of frame buffer */
+	      int	bpp);		/* bits per pixel of frame buffer */
+
+extern _X_EXPORT Bool
+wfbFinishScreenInit(ScreenPtr	pScreen,
+		    pointer	pbits,
+		    int		xsize,
+		    int		ysize,
+		    int		dpix,
+		    int		dpiy,
+		    int		width,
+		    int		bpp,
+		    SetupWrapProcPtr setupWrap,
+		    FinishWrapProcPtr finishWrap);
+
+extern _X_EXPORT Bool
+wfbScreenInit(ScreenPtr	pScreen,
+	      pointer	pbits,
+	      int	xsize,
+	      int	ysize,
+	      int	dpix,
+	      int	dpiy,
+	      int	width,
+	      int	bpp,
+	      SetupWrapProcPtr setupWrap,
+	      FinishWrapProcPtr finishWrap);
+
+extern _X_EXPORT Bool
+fbFinishScreenInit(ScreenPtr	pScreen,
+		   pointer	pbits,
+		   int		xsize,
+		   int		ysize,
+		   int		dpix,
+		   int		dpiy,
+		   int		width,
+		   int		bpp);
+
+extern _X_EXPORT Bool
+fbScreenInit(ScreenPtr	pScreen,
+	     pointer	pbits,
+	     int	xsize,
+	     int	ysize,
+	     int	dpix,
+	     int	dpiy,
+	     int	width,
+	     int	bpp);
+    
+/*
+ * fbseg.c
+ */
+typedef void	FbBres (DrawablePtr	pDrawable,
+			GCPtr		pGC,
+			int		dashOffset,
+			int		signdx,
+			int		signdy,
+			int		axis,
+			int		x,
+			int		y,
+			int		e,
+			int		e1,
+			int		e3,
+			int		len);
+
+extern _X_EXPORT FbBres fbBresSolid, fbBresDash, fbBresFill, fbBresFillDash;
+/*
+ * fbsetsp.c
+ */
+
+extern _X_EXPORT void
+fbSetSpans (DrawablePtr	    pDrawable,
+	    GCPtr	    pGC,
+	    char	    *src,
+	    DDXPointPtr	    ppt,
+	    int		    *pwidth,
+	    int		    nspans,
+	    int		    fSorted);
+
+extern _X_EXPORT FbBres *
+fbSelectBres (DrawablePtr   pDrawable,
+	      GCPtr	    pGC);
+
+extern _X_EXPORT void
+fbBres (DrawablePtr	pDrawable,
+	GCPtr		pGC,
+	int		dashOffset,
+	int		signdx,
+	int		signdy,
+	int		axis,
+	int		x,
+	int		y,
+	int		e,
+	int		e1,
+	int		e3,
+	int		len);
+
+extern _X_EXPORT void
+fbSegment (DrawablePtr	pDrawable,
+	   GCPtr	pGC,
+	   int		xa,
+	   int		ya,
+	   int		xb,
+	   int		yb,
+	   Bool		drawLast,
+	   int		*dashOffset);
+
+
+/*
+ * fbsolid.c
+ */
+
+extern _X_EXPORT void
+fbSolid (FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstX,
+	 int	    bpp,
+
+	 int	    width,
+	 int	    height,
+
+	 FbBits	    and,
+	 FbBits	    xor);
+
+#ifdef FB_24BIT
+extern _X_EXPORT void
+fbSolid24 (FbBits   *dst,
+	   FbStride dstStride,
+	   int	    dstX,
+
+	   int	    width,
+	   int	    height,
+
+	   FbBits   and,
+	   FbBits   xor);
+#endif
+
+/*
+ * fbstipple.c
+ */
+
+extern _X_EXPORT void
+fbTransparentSpan (FbBits   *dst,
+		   FbBits   stip,
+		   FbBits   fgxor,
+		   int	    n);
+
+extern _X_EXPORT void
+fbEvenStipple (FbBits   *dst,
+	       FbStride dstStride,
+	       int	dstX,
+	       int	dstBpp,
+
+	       int	width,
+	       int	height,
+
+	       FbStip   *stip,
+	       FbStride	stipStride,
+	       int	stipHeight,
+
+	       FbBits   fgand,
+	       FbBits   fgxor,
+	       FbBits   bgand,
+	       FbBits   bgxor,
+
+	       int	xRot,
+	       int	yRot);
+
+extern _X_EXPORT void
+fbOddStipple (FbBits	*dst,
+	      FbStride	dstStride,
+	      int	dstX,
+	      int	dstBpp,
+
+	      int	width,
+	      int	height,
+
+	      FbStip	*stip,
+	      FbStride	stipStride,
+	      int	stipWidth,
+	      int	stipHeight,
+
+	      FbBits	fgand,
+	      FbBits	fgxor,
+	      FbBits	bgand,
+	      FbBits	bgxor,
+
+	      int	xRot,
+	      int	yRot);
+
+extern _X_EXPORT void
+fbStipple (FbBits   *dst,
+	   FbStride dstStride,
+	   int	    dstX,
+	   int	    dstBpp,
+
+	   int	    width,
+	   int	    height,
+
+	   FbStip   *stip,
+	   FbStride stipStride,
+	   int	    stipWidth,
+	   int	    stipHeight,
+	   Bool	    even,
+
+	   FbBits   fgand,
+	   FbBits   fgxor,
+	   FbBits   bgand,
+	   FbBits   bgxor,
+
+	   int	    xRot,
+	   int	    yRot);
+
+/*
+ * fbtile.c
+ */
+
+extern _X_EXPORT void
+fbEvenTile (FbBits	*dst,
+	    FbStride	dstStride,
+	    int		dstX,
+
+	    int		width,
+	    int		height,
+
+	    FbBits	*tile,
+	    FbStride	tileStride,
+	    int		tileHeight,
+
+	    int		alu,
+	    FbBits	pm,
+	    int		xRot,
+	    int		yRot);
+
+extern _X_EXPORT void
+fbOddTile (FbBits	*dst,
+	   FbStride	dstStride,
+	   int		dstX,
+
+	   int		width,
+	   int		height,
+
+	   FbBits	*tile,
+	   FbStride	tileStride,
+	   int		tileWidth,
+	   int		tileHeight,
+
+	   int		alu,
+	   FbBits	pm,
+	   int		bpp,
+	   
+	   int		xRot,
+	   int		yRot);
+
+extern _X_EXPORT void
+fbTile (FbBits	    *dst,
+	FbStride    dstStride,
+	int	    dstX,
+
+	int	    width,
+	int	    height,
+
+	FbBits	    *tile,
+	FbStride    tileStride,
+	int	    tileWidth,
+	int	    tileHeight,
+	
+	int	    alu,
+	FbBits	    pm,
+	int	    bpp,
+	
+	int	    xRot,
+	int	    yRot);
+
+/*
+ * fbutil.c
+ */
+extern _X_EXPORT FbBits
+fbReplicatePixel (Pixel p, int bpp);
+
+extern _X_EXPORT void
+fbReduceRasterOp (int rop, FbBits fg, FbBits pm, FbBits *andp, FbBits *xorp);
+
+#ifdef FB_ACCESS_WRAPPER
+extern _X_EXPORT ReadMemoryProcPtr wfbReadMemory;
+extern _X_EXPORT WriteMemoryProcPtr wfbWriteMemory;
+#endif
+
+/*
+ * fbwindow.c
+ */
+
+extern _X_EXPORT Bool
+fbCreateWindow(WindowPtr pWin);
+
+extern _X_EXPORT Bool
+fbDestroyWindow(WindowPtr pWin);
+
+extern _X_EXPORT Bool
+fbMapWindow(WindowPtr pWindow);
+
+extern _X_EXPORT Bool
+fbPositionWindow(WindowPtr pWin, int x, int y);
+
+extern _X_EXPORT Bool
+fbUnmapWindow(WindowPtr pWindow);
+    
+extern _X_EXPORT void
+fbCopyWindowProc (DrawablePtr	pSrcDrawable,
+		  DrawablePtr	pDstDrawable,
+		  GCPtr		pGC,
+		  BoxPtr	pbox,
+		  int		nbox,
+		  int		dx,
+		  int		dy,
+		  Bool		reverse,
+		  Bool		upsidedown,
+		  Pixel		bitplane,
+		  void		*closure);
+
+extern _X_EXPORT void
+fbCopyWindow(WindowPtr	    pWin, 
+	     DDXPointRec    ptOldOrg, 
+	     RegionPtr	    prgnSrc);
+
+extern _X_EXPORT Bool
+fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask);
+
+extern _X_EXPORT void
+fbFillRegionSolid (DrawablePtr	pDrawable,
+		   RegionPtr	pRegion,
+		   FbBits	and,
+		   FbBits	xor);
+
+extern _X_EXPORT pixman_image_t *
+image_from_pict (PicturePtr	pict,
+		 Bool		has_clip,
+		 int		*xoff,
+		 int		*yoff);
+
+extern _X_EXPORT void free_pixman_pict (PicturePtr, pixman_image_t *);
+
+#endif /* _FB_H_ */
+
diff --git a/xorg-server/fb/fb24_32.c b/xorg-server/fb/fb24_32.c
index 748a0ec04..e24f394bc 100644
--- a/xorg-server/fb/fb24_32.c
+++ b/xorg-server/fb/fb24_32.c
@@ -1,635 +1,635 @@
-/*
- * Copyright © 2000 SuSE, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, 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 SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  SuSE makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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.
- *
- * Author:  Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "fb.h"
-
-/* X apps don't like 24bpp images, this code exposes 32bpp images */
-
-/*
- * These two functions do a full CopyArea while reformatting
- * the data between 24 and 32bpp.  They try to go a bit faster
- * by reading/writing aligned CARD32s where it's easy
- */
-
-#define Get8(a)	((CARD32) READ(a))
-
-#if BITMAP_BIT_ORDER == MSBFirst
-#define Get24(a)    ((Get8(a) << 16) | (Get8((a)+1) << 8) | Get8((a)+2))
-#define Put24(a,p)  ((WRITE((a+0), (CARD8) ((p) >> 16))), \
-		     (WRITE((a+1), (CARD8) ((p) >> 8))), \
-		     (WRITE((a+2), (CARD8) (p))))
-#else
-#define Get24(a)    (Get8(a) | (Get8((a)+1) << 8) | (Get8((a)+2)<<16))
-#define Put24(a,p)  ((WRITE((a+0), (CARD8) (p))), \
-		     (WRITE((a+1), (CARD8) ((p) >> 8))), \
-		     (WRITE((a+2), (CARD8) ((p) >> 16))))
-#endif
-
-typedef void (*fb24_32BltFunc) (CARD8	    *srcLine,
-				FbStride    srcStride,
-				int	    srcX,
-
-				CARD8	    *dstLine,
-				FbStride    dstStride,
-				int	    dstX,
-
-				int	    width, 
-				int	    height,
-
-				int	    alu,
-				FbBits	    pm);
-
-static void
-fb24_32BltDown (CARD8	    *srcLine,
-		FbStride    srcStride,
-		int	    srcX,
-
-		CARD8	    *dstLine,
-		FbStride    dstStride,
-		int	    dstX,
-
-		int	    width, 
-		int	    height,
-
-		int	    alu,
-		FbBits	    pm)
-{
-    CARD32  *src;
-    CARD8   *dst;
-    int	    w;
-    Bool    destInvarient;
-    CARD32  pixel, dpixel;
-    FbDeclareMergeRop ();
-    
-    srcLine += srcX * 4;
-    dstLine += dstX * 3;
-
-    FbInitializeMergeRop(alu, (pm | ~(FbBits) 0xffffff));
-    destInvarient = FbDestInvarientMergeRop();
-
-    while (height--)
-    {
-	src = (CARD32 *) srcLine;
-	dst = dstLine;
-	srcLine += srcStride;
-	dstLine += dstStride;
-	w = width;
-	if (destInvarient)
-	{
-	    while (((long) dst & 3) && w)
-	    {
-		w--;
-		pixel = READ(src++);
-		pixel = FbDoDestInvarientMergeRop(pixel);
-		Put24 (dst, pixel);
-		dst += 3;
-	    }
-	    /* Do four aligned pixels at a time */
-	    while (w >= 4)
-	    {
-		CARD32  s0, s1;
-		s0 = READ(src++);
-		s0 = FbDoDestInvarientMergeRop(s0);
-		s1 = READ(src++);
-		s1 = FbDoDestInvarientMergeRop(s1);
-#if BITMAP_BIT_ORDER == LSBFirst
-		WRITE((CARD32 *)dst, (s0 & 0xffffff) | (s1 << 24));
-#else
-		WRITE((CARD32 *)dst, (s0 << 8) | ((s1 & 0xffffff) >> 16));
-#endif
-		s0 = READ(src++);
-		s0 = FbDoDestInvarientMergeRop(s0);
-#if BITMAP_BIT_ORDER == LSBFirst
-		WRITE((CARD32 *)(dst+4), ((s1 & 0xffffff) >> 8) | (s0 << 16));
-#else
-		WRITE((CARD32 *)(dst+4), (s1 << 16) | ((s0 & 0xffffff) >> 8));
-#endif
-		s1 = READ(src++);
-		s1 = FbDoDestInvarientMergeRop(s1);
-#if BITMAP_BIT_ORDER == LSBFirst
-		WRITE((CARD32 *)(dst+8), ((s0 & 0xffffff) >> 16) | (s1 << 8));
-#else
-		WRITE((CARD32 *)(dst+8), (s0 << 24) | (s1 & 0xffffff));
-#endif
-		dst += 12;
-		w -= 4;
-	    }
-	    while (w--)
-	    {
-		pixel = READ(src++);
-		pixel = FbDoDestInvarientMergeRop(pixel);
-		Put24 (dst, pixel);
-		dst += 3;
-	    }
-	}
-	else
-	{
-	    while (w--)
-	    {
-		pixel = READ(src++);
-		dpixel = Get24 (dst);
-		pixel = FbDoMergeRop(pixel, dpixel);
-		Put24 (dst, pixel);
-		dst += 3;
-	    }
-	}
-    }
-}
-
-static void
-fb24_32BltUp (CARD8	    *srcLine,
-	      FbStride	    srcStride,
-	      int	    srcX,
-
-	      CARD8	    *dstLine,
-	      FbStride	    dstStride,
-	      int	    dstX,
-
-	      int	    width, 
-	      int	    height,
-
-	      int	    alu,
-	      FbBits	    pm)
-{
-    CARD8   *src;
-    CARD32  *dst;
-    int	    w;
-    Bool    destInvarient;
-    CARD32  pixel;
-    FbDeclareMergeRop ();
-    
-    FbInitializeMergeRop(alu, (pm | (~(FbBits) 0xffffff)));
-    destInvarient = FbDestInvarientMergeRop();
-
-    srcLine += srcX * 3;
-    dstLine += dstX * 4;
-
-    while (height--)
-    {
-	w = width;
-	src = srcLine;
-	dst = (CARD32 *) dstLine;
-	srcLine += srcStride;
-	dstLine += dstStride;
-	if (destInvarient)
-	{
-	    while (((long) src & 3) && w)
-	    {
-		w--;
-		pixel = Get24(src);
-		src += 3;
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-	    }
-	    /* Do four aligned pixels at a time */
-	    while (w >= 4)
-	    {
-		CARD32  s0, s1;
-
-		s0 = READ((CARD32 *)src);
-#if BITMAP_BIT_ORDER == LSBFirst
-		pixel = s0 & 0xffffff;
-#else
-		pixel = s0 >> 8;
-#endif
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-		s1 = READ((CARD32 *)(src+4));
-#if BITMAP_BIT_ORDER == LSBFirst
-		pixel = (s0 >> 24) | ((s1 << 8) & 0xffffff);
-#else
-		pixel = ((s0 << 16) & 0xffffff) | (s1 >> 16);
-#endif
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-		s0 = READ((CARD32 *)(src+8));
-#if BITMAP_BIT_ORDER == LSBFirst
-		pixel = (s1 >> 16) | ((s0 << 16) & 0xffffff);
-#else
-		pixel = ((s1 << 8) & 0xffffff) | (s0 >> 24);
-#endif
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-#if BITMAP_BIT_ORDER == LSBFirst
-		pixel = s0 >> 8;
-#else
-		pixel = s0 & 0xffffff;
-#endif
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-		src += 12;
-		w -= 4;
-	    }
-	    while (w)
-	    {
-		w--;
-		pixel = Get24(src);
-		src += 3;
-		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
-	    }
-	}
-	else
-	{
-	    while (w--)
-	    {
-		pixel = Get24(src);
-		src += 3;
-		WRITE(dst, FbDoMergeRop(pixel, READ(dst)));
-		dst++;
-	    }
-	}
-    }
-}
-
-/*
- * Spans functions; probably unused.
- */
-void
-fb24_32GetSpans(DrawablePtr	pDrawable, 
-		int		wMax, 
-		DDXPointPtr	ppt, 
-		int		*pwidth, 
-		int		nspans, 
-		char		*pchardstStart)
-{
-    FbBits	    *srcBits;
-    CARD8	    *src;
-    FbStride	    srcStride;
-    int		    srcBpp;
-    int		    srcXoff, srcYoff;
-    CARD8	    *dst;
-    
-    fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
-    src = (CARD8 *) srcBits;
-    srcStride *= sizeof (FbBits);
-    
-    while (nspans--)
-    {
-	dst = (CARD8 *) pchardstStart;
-	fb24_32BltUp (src + (ppt->y + srcYoff) * srcStride, srcStride,
-		      ppt->x + srcXoff,
-	       
-		      dst,
-		      1,
-		      0,
-
-		      *pwidth,
-		      1,
-
-		      GXcopy,
-		      FB_ALLONES);
-	
-	pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
-	ppt++;
-	pwidth++;
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32SetSpans (DrawablePtr	    pDrawable,
-		 GCPtr		    pGC,
-		 char		    *src,
-		 DDXPointPtr	    ppt,
-		 int		    *pwidth,
-		 int		    nspans,
-		 int		    fSorted)
-{
-    FbGCPrivPtr	    pPriv = fbGetGCPrivate (pGC);
-    RegionPtr	    pClip = fbGetCompositeClip(pGC);
-    FbBits	    *dstBits;
-    CARD8	    *dst, *d, *s;
-    FbStride	    dstStride;
-    int		    dstBpp;
-    int		    dstXoff, dstYoff;
-    BoxPtr	    pbox;
-    int		    n;
-    int		    x1, x2;
-
-    fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
-    dst = (CARD8 *) dstBits;
-    dstStride *= sizeof (FbBits);
-    while (nspans--)
-    {
-	d = dst + (ppt->y + dstYoff) * dstStride;
-	s = (CARD8 *) src;
-	n = RegionNumRects(pClip);
-	pbox = RegionRects (pClip);
-	while (n--)
-	{
-	    if (pbox->y1 > ppt->y)
-		break;
-	    if (pbox->y2 > ppt->y)
-	    {
-		x1 = ppt->x;
-		x2 = x1 + *pwidth;
-		if (pbox->x1 > x1)
-		    x1 = pbox->x1;
-		if (pbox->x2 < x2)
-		    x2 = pbox->x2;
-		if (x1 < x2)
-		    fb24_32BltDown (s,
-				    0,
-				    (x1 - ppt->x),
-				    d,
-				    dstStride,
-				    x1 + dstXoff,
-
-				    (x2 - x1),
-				    1,
-				    pGC->alu,
-				    pPriv->pm);
-	    }
-	}
-	src += PixmapBytePad (*pwidth, pDrawable->depth);
-	ppt++;
-	pwidth++;
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-/*
- * Clip and put 32bpp Z-format images to a 24bpp drawable
- */
-void
-fb24_32PutZImage (DrawablePtr	pDrawable,
-		  RegionPtr	pClip,
-		  int		alu,
-		  FbBits	pm,
-		  int		x,
-		  int		y,
-		  int		width,
-		  int		height,
-		  CARD8		*src,
-		  FbStride	srcStride)
-{
-    FbBits	*dstBits;
-    CARD8	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    int		nbox;
-    BoxPtr	pbox;
-    int		x1, y1, x2, y2;
-
-    fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
-    dstStride *= sizeof(FbBits);
-    dst = (CARD8 *) dstBits;
-
-    for (nbox = RegionNumRects (pClip),
-	 pbox = RegionRects(pClip);
-	 nbox--;
-	 pbox++)
-    {
-	x1 = x;
-	y1 = y;
-	x2 = x + width;
-	y2 = y + height;
-	if (x1 < pbox->x1)
-	    x1 = pbox->x1;
-	if (y1 < pbox->y1)
-	    y1 = pbox->y1;
-	if (x2 > pbox->x2)
-	    x2 = pbox->x2;
-	if (y2 > pbox->y2)
-	    y2 = pbox->y2;
-	if (x1 >= x2 || y1 >= y2)
-	    continue;
-	fb24_32BltDown (src + (y1 - y) * srcStride,
-			srcStride,
-			(x1 - x),
-
-			dst + (y1 + dstYoff) * dstStride,
-			dstStride,
-			x1 + dstXoff,
-
-			(x2 - x1),
-			(y2 - y1),
-
-			alu,
-			pm);
-    }
-
-    fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32GetImage (DrawablePtr     pDrawable,
-		 int             x,
-		 int             y,
-		 int             w,
-		 int             h,
-		 unsigned int    format,
-		 unsigned long   planeMask,
-		 char            *d)
-{
-    FbBits	    *srcBits;
-    CARD8	    *src;
-    FbStride	    srcStride;
-    int		    srcBpp;
-    int		    srcXoff, srcYoff;
-    FbStride	    dstStride;
-    FbBits	    pm;
-
-    fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
-    src = (CARD8 *) srcBits;
-    srcStride *= sizeof (FbBits);
-
-    x += pDrawable->x;
-    y += pDrawable->y;
-    
-    pm = fbReplicatePixel (planeMask, 32);
-    dstStride = PixmapBytePad(w, pDrawable->depth);
-    if (pm != FB_ALLONES)
-	memset (d, 0, dstStride * h);
-    fb24_32BltUp (src + (y + srcYoff) * srcStride, srcStride, x + srcXoff,
-		  (CARD8 *) d, dstStride, 0,
-		  w, h, GXcopy, pm);
-
-    fbFinishAccess (pDrawable);
-}
-
-void
-fb24_32CopyMtoN (DrawablePtr pSrcDrawable,
-		 DrawablePtr pDstDrawable,
-		 GCPtr       pGC,
-		 BoxPtr      pbox,
-		 int         nbox,
-		 int         dx,
-		 int         dy,
-		 Bool        reverse,
-		 Bool        upsidedown,
-		 Pixel       bitplane,
-		 void        *closure)
-{
-    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);
-    FbBits	*srcBits;
-    CARD8	*src;
-    FbStride	srcStride;
-    int		srcBpp;
-    FbBits	*dstBits;
-    CARD8	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    fb24_32BltFunc  blt;
-    int		srcXoff, srcYoff;
-    int		dstXoff, dstYoff;
-    
-    fbGetDrawable (pSrcDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
-    src = (CARD8 *) srcBits;
-    srcStride *= sizeof (FbBits);
-    fbGetDrawable (pDstDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
-    dst = (CARD8 *) dstBits;
-    dstStride *= sizeof (FbBits);
-    if (srcBpp == 24)
-	blt = fb24_32BltUp;
-    else
-	blt = fb24_32BltDown;
-    
-    while (nbox--)
-    {
-	(*blt) (src + (pbox->y1 + dy + srcYoff) * srcStride,
-		srcStride,
-		(pbox->x1 + dx + srcXoff),
-
-		dst + (pbox->y1 + dstYoff) * dstStride,
-		dstStride,
-		(pbox->x1 + dstXoff),
-
-		(pbox->x2 - pbox->x1),
-		(pbox->y2 - pbox->y1),
-
-		pGC->alu,
-		pPriv->pm);
-	pbox++;
-    }
-
-    fbFinishAccess (pSrcDrawable);
-    fbFinishAccess (pDstDrawable);
-}
-
-PixmapPtr
-fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel)
-{
-    ScreenPtr	pScreen = pOldTile->drawable.pScreen;
-    PixmapPtr	pNewTile;
-    FbBits	*old, *new;
-    FbStride	oldStride, newStride;
-    int		oldBpp, newBpp;
-    fb24_32BltFunc  blt;
-    int		oldXoff, oldYoff;
-    int		newXoff, newYoff;
-
-    pNewTile = pScreen->CreatePixmap(pScreen, pOldTile->drawable.width,
-				     pOldTile->drawable.height,
-				     pOldTile->drawable.depth,
-				     pOldTile->usage_hint);
-    if (!pNewTile)
-	return 0;
-    fbGetDrawable (&pOldTile->drawable, 
-		   old, oldStride, oldBpp, oldXoff, oldYoff);
-    fbGetDrawable (&pNewTile->drawable, 
-		   new, newStride, newBpp, newXoff, newYoff);
-    if (oldBpp == 24)
-	blt = fb24_32BltUp;
-    else
-	blt = fb24_32BltDown;
-
-    (*blt) ((CARD8 *) old,
-	    oldStride * sizeof (FbBits),
-	    0,
-
-	    (CARD8 *) new,
-	    newStride * sizeof (FbBits),
-	    0,
-
-	    pOldTile->drawable.width,
-	    pOldTile->drawable.height,
-
-	    GXcopy,
-	    FB_ALLONES);
-
-    fbFinishAccess (&pOldTile->drawable);
-    fbFinishAccess (&pNewTile->drawable);
-
-    return pNewTile;
-}
-
-typedef struct {
-    pointer pbits; 
-    int width;   
-} miScreenInitParmsRec, *miScreenInitParmsPtr;
-
-Bool
-fb24_32CreateScreenResources(ScreenPtr pScreen)
-{
-    miScreenInitParmsPtr pScrInitParms;
-    int pitch;
-    Bool retval;
-
-    /* get the pitch before mi destroys it */
-    pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
-    pitch = BitmapBytePad(pScrInitParms->width * 24);
-
-    if((retval = miCreateScreenResources(pScreen))) {
-	/* fix the screen pixmap */
-	PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate;
-	pPix->drawable.bitsPerPixel = 24;
-	pPix->devKind = pitch;
-    }
-
-    return retval;
-}
-
-Bool
-fb24_32ModifyPixmapHeader (PixmapPtr   pPixmap,
-			   int         width,
-			   int         height,
-			   int         depth,
-			   int         bitsPerPixel,
-			   int         devKind,
-			   pointer     pPixData)
-{
-    int	    bpp, w;
-
-    if (!pPixmap)
-	return FALSE;
-    bpp = bitsPerPixel;
-    if (bpp <= 0)
-	bpp = pPixmap->drawable.bitsPerPixel;
-    if (bpp == 24)
-    {
-	if (devKind < 0)
-	{
-	    w = width;
-	    if (w <= 0)
-		w = pPixmap->drawable.width;
-	    devKind = BitmapBytePad(w * 24);
-	}
-    }
-    return miModifyPixmapHeader(pPixmap, width, height, depth, bitsPerPixel,
-				devKind, pPixData);	
-}		
+/*
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  SuSE makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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.
+ *
+ * Author:  Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "fb.h"
+
+/* X apps don't like 24bpp images, this code exposes 32bpp images */
+
+/*
+ * These two functions do a full CopyArea while reformatting
+ * the data between 24 and 32bpp.  They try to go a bit faster
+ * by reading/writing aligned CARD32s where it's easy
+ */
+
+#define Get8(a)	((CARD32) READ(a))
+
+#if BITMAP_BIT_ORDER == MSBFirst
+#define Get24(a)    ((Get8(a) << 16) | (Get8((a)+1) << 8) | Get8((a)+2))
+#define Put24(a,p)  ((WRITE((a+0), (CARD8) ((p) >> 16))), \
+		     (WRITE((a+1), (CARD8) ((p) >> 8))), \
+		     (WRITE((a+2), (CARD8) (p))))
+#else
+#define Get24(a)    (Get8(a) | (Get8((a)+1) << 8) | (Get8((a)+2)<<16))
+#define Put24(a,p)  ((WRITE((a+0), (CARD8) (p))), \
+		     (WRITE((a+1), (CARD8) ((p) >> 8))), \
+		     (WRITE((a+2), (CARD8) ((p) >> 16))))
+#endif
+
+typedef void (*fb24_32BltFunc) (CARD8	    *srcLine,
+				FbStride    srcStride,
+				int	    srcX,
+
+				CARD8	    *dstLine,
+				FbStride    dstStride,
+				int	    dstX,
+
+				int	    width, 
+				int	    height,
+
+				int	    alu,
+				FbBits	    pm);
+
+static void
+fb24_32BltDown (CARD8	    *srcLine,
+		FbStride    srcStride,
+		int	    srcX,
+
+		CARD8	    *dstLine,
+		FbStride    dstStride,
+		int	    dstX,
+
+		int	    width, 
+		int	    height,
+
+		int	    alu,
+		FbBits	    pm)
+{
+    CARD32  *src;
+    CARD8   *dst;
+    int	    w;
+    Bool    destInvarient;
+    CARD32  pixel, dpixel;
+    FbDeclareMergeRop ();
+    
+    srcLine += srcX * 4;
+    dstLine += dstX * 3;
+
+    FbInitializeMergeRop(alu, (pm | ~(FbBits) 0xffffff));
+    destInvarient = FbDestInvarientMergeRop();
+
+    while (height--)
+    {
+	src = (CARD32 *) srcLine;
+	dst = dstLine;
+	srcLine += srcStride;
+	dstLine += dstStride;
+	w = width;
+	if (destInvarient)
+	{
+	    while (((long) dst & 3) && w)
+	    {
+		w--;
+		pixel = READ(src++);
+		pixel = FbDoDestInvarientMergeRop(pixel);
+		Put24 (dst, pixel);
+		dst += 3;
+	    }
+	    /* Do four aligned pixels at a time */
+	    while (w >= 4)
+	    {
+		CARD32  s0, s1;
+		s0 = READ(src++);
+		s0 = FbDoDestInvarientMergeRop(s0);
+		s1 = READ(src++);
+		s1 = FbDoDestInvarientMergeRop(s1);
+#if BITMAP_BIT_ORDER == LSBFirst
+		WRITE((CARD32 *)dst, (s0 & 0xffffff) | (s1 << 24));
+#else
+		WRITE((CARD32 *)dst, (s0 << 8) | ((s1 & 0xffffff) >> 16));
+#endif
+		s0 = READ(src++);
+		s0 = FbDoDestInvarientMergeRop(s0);
+#if BITMAP_BIT_ORDER == LSBFirst
+		WRITE((CARD32 *)(dst+4), ((s1 & 0xffffff) >> 8) | (s0 << 16));
+#else
+		WRITE((CARD32 *)(dst+4), (s1 << 16) | ((s0 & 0xffffff) >> 8));
+#endif
+		s1 = READ(src++);
+		s1 = FbDoDestInvarientMergeRop(s1);
+#if BITMAP_BIT_ORDER == LSBFirst
+		WRITE((CARD32 *)(dst+8), ((s0 & 0xffffff) >> 16) | (s1 << 8));
+#else
+		WRITE((CARD32 *)(dst+8), (s0 << 24) | (s1 & 0xffffff));
+#endif
+		dst += 12;
+		w -= 4;
+	    }
+	    while (w--)
+	    {
+		pixel = READ(src++);
+		pixel = FbDoDestInvarientMergeRop(pixel);
+		Put24 (dst, pixel);
+		dst += 3;
+	    }
+	}
+	else
+	{
+	    while (w--)
+	    {
+		pixel = READ(src++);
+		dpixel = Get24 (dst);
+		pixel = FbDoMergeRop(pixel, dpixel);
+		Put24 (dst, pixel);
+		dst += 3;
+	    }
+	}
+    }
+}
+
+static void
+fb24_32BltUp (CARD8	    *srcLine,
+	      FbStride	    srcStride,
+	      int	    srcX,
+
+	      CARD8	    *dstLine,
+	      FbStride	    dstStride,
+	      int	    dstX,
+
+	      int	    width, 
+	      int	    height,
+
+	      int	    alu,
+	      FbBits	    pm)
+{
+    CARD8   *src;
+    CARD32  *dst;
+    int	    w;
+    Bool    destInvarient;
+    CARD32  pixel;
+    FbDeclareMergeRop ();
+    
+    FbInitializeMergeRop(alu, (pm | (~(FbBits) 0xffffff)));
+    destInvarient = FbDestInvarientMergeRop();
+
+    srcLine += srcX * 3;
+    dstLine += dstX * 4;
+
+    while (height--)
+    {
+	w = width;
+	src = srcLine;
+	dst = (CARD32 *) dstLine;
+	srcLine += srcStride;
+	dstLine += dstStride;
+	if (destInvarient)
+	{
+	    while (((long) src & 3) && w)
+	    {
+		w--;
+		pixel = Get24(src);
+		src += 3;
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+	    }
+	    /* Do four aligned pixels at a time */
+	    while (w >= 4)
+	    {
+		CARD32  s0, s1;
+
+		s0 = READ((CARD32 *)src);
+#if BITMAP_BIT_ORDER == LSBFirst
+		pixel = s0 & 0xffffff;
+#else
+		pixel = s0 >> 8;
+#endif
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+		s1 = READ((CARD32 *)(src+4));
+#if BITMAP_BIT_ORDER == LSBFirst
+		pixel = (s0 >> 24) | ((s1 << 8) & 0xffffff);
+#else
+		pixel = ((s0 << 16) & 0xffffff) | (s1 >> 16);
+#endif
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+		s0 = READ((CARD32 *)(src+8));
+#if BITMAP_BIT_ORDER == LSBFirst
+		pixel = (s1 >> 16) | ((s0 << 16) & 0xffffff);
+#else
+		pixel = ((s1 << 8) & 0xffffff) | (s0 >> 24);
+#endif
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+#if BITMAP_BIT_ORDER == LSBFirst
+		pixel = s0 >> 8;
+#else
+		pixel = s0 & 0xffffff;
+#endif
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+		src += 12;
+		w -= 4;
+	    }
+	    while (w)
+	    {
+		w--;
+		pixel = Get24(src);
+		src += 3;
+		WRITE(dst++, FbDoDestInvarientMergeRop(pixel));
+	    }
+	}
+	else
+	{
+	    while (w--)
+	    {
+		pixel = Get24(src);
+		src += 3;
+		WRITE(dst, FbDoMergeRop(pixel, READ(dst)));
+		dst++;
+	    }
+	}
+    }
+}
+
+/*
+ * Spans functions; probably unused.
+ */
+void
+fb24_32GetSpans(DrawablePtr	pDrawable, 
+		int		wMax, 
+		DDXPointPtr	ppt, 
+		int		*pwidth, 
+		int		nspans, 
+		char		*pchardstStart)
+{
+    FbBits	    *srcBits;
+    CARD8	    *src;
+    FbStride	    srcStride;
+    int		    srcBpp;
+    int		    srcXoff, srcYoff;
+    CARD8	    *dst;
+    
+    fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
+    src = (CARD8 *) srcBits;
+    srcStride *= sizeof (FbBits);
+    
+    while (nspans--)
+    {
+	dst = (CARD8 *) pchardstStart;
+	fb24_32BltUp (src + (ppt->y + srcYoff) * srcStride, srcStride,
+		      ppt->x + srcXoff,
+	       
+		      dst,
+		      1,
+		      0,
+
+		      *pwidth,
+		      1,
+
+		      GXcopy,
+		      FB_ALLONES);
+	
+	pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
+	ppt++;
+	pwidth++;
+    }
+
+    fbFinishAccess (pDrawable);
+}
+
+void
+fb24_32SetSpans (DrawablePtr	    pDrawable,
+		 GCPtr		    pGC,
+		 char		    *src,
+		 DDXPointPtr	    ppt,
+		 int		    *pwidth,
+		 int		    nspans,
+		 int		    fSorted)
+{
+    FbGCPrivPtr	    pPriv = fbGetGCPrivate (pGC);
+    RegionPtr	    pClip = fbGetCompositeClip(pGC);
+    FbBits	    *dstBits;
+    CARD8	    *dst, *d, *s;
+    FbStride	    dstStride;
+    int		    dstBpp;
+    int		    dstXoff, dstYoff;
+    BoxPtr	    pbox;
+    int		    n;
+    int		    x1, x2;
+
+    fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
+    dst = (CARD8 *) dstBits;
+    dstStride *= sizeof (FbBits);
+    while (nspans--)
+    {
+	d = dst + (ppt->y + dstYoff) * dstStride;
+	s = (CARD8 *) src;
+	n = RegionNumRects(pClip);
+	pbox = RegionRects (pClip);
+	while (n--)
+	{
+	    if (pbox->y1 > ppt->y)
+		break;
+	    if (pbox->y2 > ppt->y)
+	    {
+		x1 = ppt->x;
+		x2 = x1 + *pwidth;
+		if (pbox->x1 > x1)
+		    x1 = pbox->x1;
+		if (pbox->x2 < x2)
+		    x2 = pbox->x2;
+		if (x1 < x2)
+		    fb24_32BltDown (s,
+				    0,
+				    (x1 - ppt->x),
+				    d,
+				    dstStride,
+				    x1 + dstXoff,
+
+				    (x2 - x1),
+				    1,
+				    pGC->alu,
+				    pPriv->pm);
+	    }
+	}
+	src += PixmapBytePad (*pwidth, pDrawable->depth);
+	ppt++;
+	pwidth++;
+    }
+
+    fbFinishAccess (pDrawable);
+}
+
+/*
+ * Clip and put 32bpp Z-format images to a 24bpp drawable
+ */
+void
+fb24_32PutZImage (DrawablePtr	pDrawable,
+		  RegionPtr	pClip,
+		  int		alu,
+		  FbBits	pm,
+		  int		x,
+		  int		y,
+		  int		width,
+		  int		height,
+		  CARD8		*src,
+		  FbStride	srcStride)
+{
+    FbBits	*dstBits;
+    CARD8	*dst;
+    FbStride	dstStride;
+    int		dstBpp;
+    int		dstXoff, dstYoff;
+    int		nbox;
+    BoxPtr	pbox;
+    int		x1, y1, x2, y2;
+
+    fbGetDrawable (pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
+    dstStride *= sizeof(FbBits);
+    dst = (CARD8 *) dstBits;
+
+    for (nbox = RegionNumRects (pClip),
+	 pbox = RegionRects(pClip);
+	 nbox--;
+	 pbox++)
+    {
+	x1 = x;
+	y1 = y;
+	x2 = x + width;
+	y2 = y + height;
+	if (x1 < pbox->x1)
+	    x1 = pbox->x1;
+	if (y1 < pbox->y1)
+	    y1 = pbox->y1;
+	if (x2 > pbox->x2)
+	    x2 = pbox->x2;
+	if (y2 > pbox->y2)
+	    y2 = pbox->y2;
+	if (x1 >= x2 || y1 >= y2)
+	    continue;
+	fb24_32BltDown (src + (y1 - y) * srcStride,
+			srcStride,
+			(x1 - x),
+
+			dst + (y1 + dstYoff) * dstStride,
+			dstStride,
+			x1 + dstXoff,
+
+			(x2 - x1),
+			(y2 - y1),
+
+			alu,
+			pm);
+    }
+
+    fbFinishAccess (pDrawable);
+}
+
+void
+fb24_32GetImage (DrawablePtr     pDrawable,
+		 int             x,
+		 int             y,
+		 int             w,
+		 int             h,
+		 unsigned int    format,
+		 unsigned long   planeMask,
+		 char            *d)
+{
+    FbBits	    *srcBits;
+    CARD8	    *src;
+    FbStride	    srcStride;
+    int		    srcBpp;
+    int		    srcXoff, srcYoff;
+    FbStride	    dstStride;
+    FbBits	    pm;
+
+    fbGetDrawable (pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
+    src = (CARD8 *) srcBits;
+    srcStride *= sizeof (FbBits);
+
+    x += pDrawable->x;
+    y += pDrawable->y;
+    
+    pm = fbReplicatePixel (planeMask, 32);
+    dstStride = PixmapBytePad(w, pDrawable->depth);
+    if (pm != FB_ALLONES)
+	memset (d, 0, dstStride * h);
+    fb24_32BltUp (src + (y + srcYoff) * srcStride, srcStride, x + srcXoff,
+		  (CARD8 *) d, dstStride, 0,
+		  w, h, GXcopy, pm);
+
+    fbFinishAccess (pDrawable);
+}
+
+void
+fb24_32CopyMtoN (DrawablePtr pSrcDrawable,
+		 DrawablePtr pDstDrawable,
+		 GCPtr       pGC,
+		 BoxPtr      pbox,
+		 int         nbox,
+		 int         dx,
+		 int         dy,
+		 Bool        reverse,
+		 Bool        upsidedown,
+		 Pixel       bitplane,
+		 void        *closure)
+{
+    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);
+    FbBits	*srcBits;
+    CARD8	*src;
+    FbStride	srcStride;
+    int		srcBpp;
+    FbBits	*dstBits;
+    CARD8	*dst;
+    FbStride	dstStride;
+    int		dstBpp;
+    fb24_32BltFunc  blt;
+    int		srcXoff, srcYoff;
+    int		dstXoff, dstYoff;
+    
+    fbGetDrawable (pSrcDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
+    src = (CARD8 *) srcBits;
+    srcStride *= sizeof (FbBits);
+    fbGetDrawable (pDstDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
+    dst = (CARD8 *) dstBits;
+    dstStride *= sizeof (FbBits);
+    if (srcBpp == 24)
+	blt = fb24_32BltUp;
+    else
+	blt = fb24_32BltDown;
+    
+    while (nbox--)
+    {
+	(*blt) (src + (pbox->y1 + dy + srcYoff) * srcStride,
+		srcStride,
+		(pbox->x1 + dx + srcXoff),
+
+		dst + (pbox->y1 + dstYoff) * dstStride,
+		dstStride,
+		(pbox->x1 + dstXoff),
+
+		(pbox->x2 - pbox->x1),
+		(pbox->y2 - pbox->y1),
+
+		pGC->alu,
+		pPriv->pm);
+	pbox++;
+    }
+
+    fbFinishAccess (pSrcDrawable);
+    fbFinishAccess (pDstDrawable);
+}
+
+PixmapPtr
+fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel)
+{
+    ScreenPtr	pScreen = pOldTile->drawable.pScreen;
+    PixmapPtr	pNewTile;
+    FbBits	*old, *new;
+    FbStride	oldStride, newStride;
+    int		oldBpp, newBpp;
+    fb24_32BltFunc  blt;
+    int		oldXoff, oldYoff;
+    int		newXoff, newYoff;
+
+    pNewTile = pScreen->CreatePixmap(pScreen, pOldTile->drawable.width,
+				     pOldTile->drawable.height,
+				     pOldTile->drawable.depth,
+				     pOldTile->drawable.class);
+    if (!pNewTile)
+	return 0;
+    fbGetDrawable (&pOldTile->drawable, 
+		   old, oldStride, oldBpp, oldXoff, oldYoff);
+    fbGetDrawable (&pNewTile->drawable, 
+		   new, newStride, newBpp, newXoff, newYoff);
+    if (oldBpp == 24)
+	blt = fb24_32BltUp;
+    else
+	blt = fb24_32BltDown;
+
+    (*blt) ((CARD8 *) old,
+	    oldStride * sizeof (FbBits),
+	    0,
+
+	    (CARD8 *) new,
+	    newStride * sizeof (FbBits),
+	    0,
+
+	    pOldTile->drawable.width,
+	    pOldTile->drawable.height,
+
+	    GXcopy,
+	    FB_ALLONES);
+
+    fbFinishAccess (&pOldTile->drawable);
+    fbFinishAccess (&pNewTile->drawable);
+
+    return pNewTile;
+}
+
+typedef struct {
+    pointer pbits; 
+    int width;   
+} miScreenInitParmsRec, *miScreenInitParmsPtr;
+
+Bool
+fb24_32CreateScreenResources(ScreenPtr pScreen)
+{
+    miScreenInitParmsPtr pScrInitParms;
+    int pitch;
+    Bool retval;
+
+    /* get the pitch before mi destroys it */
+    pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
+    pitch = BitmapBytePad(pScrInitParms->width * 24);
+
+    if((retval = miCreateScreenResources(pScreen))) {
+	/* fix the screen pixmap */
+	PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate;
+	pPix->drawable.bitsPerPixel = 24;
+	pPix->devKind = pitch;
+    }
+
+    return retval;
+}
+
+Bool
+fb24_32ModifyPixmapHeader (PixmapPtr   pPixmap,
+			   int         width,
+			   int         height,
+			   int         depth,
+			   int         bitsPerPixel,
+			   int         devKind,
+			   pointer     pPixData)
+{
+    int	    bpp, w;
+
+    if (!pPixmap)
+	return FALSE;
+    bpp = bitsPerPixel;
+    if (bpp <= 0)
+	bpp = pPixmap->drawable.bitsPerPixel;
+    if (bpp == 24)
+    {
+	if (devKind < 0)
+	{
+	    w = width;
+	    if (w <= 0)
+		w = pPixmap->drawable.width;
+	    devKind = BitmapBytePad(w * 24);
+	}
+    }
+    return miModifyPixmapHeader(pPixmap, width, height, depth, bitsPerPixel,
+				devKind, pPixData);	
+}		
diff --git a/xorg-server/fb/fbpixmap.c b/xorg-server/fb/fbpixmap.c
index 155f1e134..232de82a9 100644
--- a/xorg-server/fb/fbpixmap.c
+++ b/xorg-server/fb/fbpixmap.c
@@ -1,392 +1,390 @@
-/*
- * Copyright © 1998 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include "fb.h"
-
-PixmapPtr
-fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
-		   unsigned usage_hint)
-{
-    PixmapPtr	pPixmap;
-    size_t	datasize;
-    size_t	paddedWidth;
-    int		adjust;
-    int		base;
-
-    paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);
-    if (paddedWidth / 4 > 32767 || height > 32767)
-	return NullPixmap;
-    datasize = height * paddedWidth;
-    base = pScreen->totalPixmapSize;
-    adjust = 0;
-    if (base & 7)
-	adjust = 8 - (base & 7);
-    datasize += adjust;
-#ifdef FB_DEBUG
-    datasize += 2 * paddedWidth;
-#endif
-    pPixmap = AllocatePixmap(pScreen, datasize);
-    if (!pPixmap)
-	return NullPixmap;
-    pPixmap->drawable.type = DRAWABLE_PIXMAP;
-    pPixmap->drawable.class = 0;
-    pPixmap->drawable.pScreen = pScreen;
-    pPixmap->drawable.depth = depth;
-    pPixmap->drawable.bitsPerPixel = bpp;
-    pPixmap->drawable.id = 0;
-    pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-    pPixmap->drawable.x = 0;
-    pPixmap->drawable.y = 0;
-    pPixmap->drawable.width = width;
-    pPixmap->drawable.height = height;
-    pPixmap->devKind = paddedWidth;
-    pPixmap->refcnt = 1;
-    pPixmap->devPrivate.ptr = (pointer) ((char *)pPixmap + base + adjust);
-
-#ifdef FB_DEBUG
-    pPixmap->devPrivate.ptr = (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth);
-    fbInitializeDrawable (&pPixmap->drawable);
-#endif
-
-#ifdef COMPOSITE
-    pPixmap->screen_x = 0;
-    pPixmap->screen_y = 0;
-#endif
-
-    pPixmap->usage_hint = usage_hint;
-
-    return pPixmap;
-}
-
-PixmapPtr
-fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
-		unsigned usage_hint)
-{
-    int	bpp;
-    bpp = BitsPerPixel (depth);
-#ifdef FB_SCREEN_PRIVATE
-    if (bpp == 32 && depth <= 24)
-	bpp = fbGetScreenPrivate(pScreen)->pix32bpp;
-#endif
-    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, usage_hint);
-}
-
-Bool
-fbDestroyPixmap (PixmapPtr pPixmap)
-{
-    if(--pPixmap->refcnt)
-	return TRUE;
-    FreePixmap(pPixmap);
-    return TRUE;
-}
-
-#define ADDRECT(reg,r,fr,rx1,ry1,rx2,ry2)			\
-if (((rx1) < (rx2)) && ((ry1) < (ry2)) &&			\
-    (!((reg)->data->numRects &&					\
-       ((r-1)->y1 == (ry1)) &&					\
-       ((r-1)->y2 == (ry2)) &&					\
-       ((r-1)->x1 <= (rx1)) &&					\
-       ((r-1)->x2 >= (rx2)))))					\
-{								\
-    if ((reg)->data->numRects == (reg)->data->size)		\
-    {								\
-	RegionRectAlloc(reg, 1);					\
-	fr = RegionBoxptr(reg);				\
-	r = fr + (reg)->data->numRects;				\
-    }								\
-    r->x1 = (rx1);						\
-    r->y1 = (ry1);						\
-    r->x2 = (rx2);						\
-    r->y2 = (ry2);						\
-    (reg)->data->numRects++;					\
-    if(r->x1 < (reg)->extents.x1)				\
-	(reg)->extents.x1 = r->x1;				\
-    if(r->x2 > (reg)->extents.x2)				\
-	(reg)->extents.x2 = r->x2;				\
-    r++;							\
-}
-
-/* Convert bitmap clip mask into clipping region. 
- * First, goes through each line and makes boxes by noting the transitions
- * from 0 to 1 and 1 to 0.
- * Then it coalesces the current line with the previous if they have boxes
- * at the same X coordinates.
- */
-RegionPtr
-fbPixmapToRegion(PixmapPtr pPix)
-{
-    register RegionPtr	pReg;
-    FbBits		*pw, w;
-    register int	ib;
-    int			width, h, base, rx1 = 0, crects;
-    FbBits		*pwLineEnd;
-    int			irectPrevStart, irectLineStart;
-    register BoxPtr	prectO, prectN;
-    BoxPtr		FirstRect, rects, prectLineStart;
-    Bool		fInBox, fSame;
-    register FbBits	mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1);
-    FbBits		*pwLine;
-    int			nWidth;
-    
-    pReg = RegionCreate(NULL, 1);
-    if(!pReg)
-	return NullRegion;
-    FirstRect = RegionBoxptr(pReg);
-    rects = FirstRect;
-
-    fbPrepareAccess(&pPix->drawable);
-
-    pwLine = (FbBits *) pPix->devPrivate.ptr;
-    nWidth = pPix->devKind >> (FB_SHIFT-3);
-
-    width = pPix->drawable.width;
-    pReg->extents.x1 = width - 1;
-    pReg->extents.x2 = 0;
-    irectPrevStart = -1;
-    for(h = 0; h < pPix->drawable.height; h++)
-    {
-	pw = pwLine;
-	pwLine += nWidth;
-	irectLineStart = rects - FirstRect;
-	/* If the Screen left most bit of the word is set, we're starting in
-	 * a box */
-	if(READ(pw) & mask0)
-	{
-	    fInBox = TRUE;
-	    rx1 = 0;
-	}
-	else
-	    fInBox = FALSE;
-	/* Process all words which are fully in the pixmap */
-	pwLineEnd = pw + (width >> FB_SHIFT);
-	for (base = 0; pw < pwLineEnd; base += FB_UNIT)
-	{
-	    w = READ(pw++);
-	    if (fInBox)
-	    {
-		if (!~w)
-		    continue;
-	    }
-	    else
-	    {
-		if (!w)
-		    continue;
-	    }
-	    for(ib = 0; ib < FB_UNIT; ib++)
-	    {
-	        /* If the Screen left most bit of the word is set, we're
-		 * starting a box */
-		if(w & mask0)
-		{
-		    if(!fInBox)
-		    {
-			rx1 = base + ib;
-			/* start new box */
-			fInBox = TRUE;
-		    }
-		}
-		else
-		{
-		    if(fInBox)
-		    {
-			/* end box */
-			ADDRECT(pReg, rects, FirstRect,
-				rx1, h, base + ib, h + 1);
-			fInBox = FALSE;
-		    }
-		}
-		/* Shift the word VISUALLY left one. */
-		w = FbScrLeft(w, 1);
-	    }
-	}
-	if(width & FB_MASK)
-	{
-	    /* Process final partial word on line */
-	    w = READ(pw++);
-	    for(ib = 0; ib < (width & FB_MASK); ib++)
-	    {
-	        /* If the Screen left most bit of the word is set, we're
-		 * starting a box */
-		if(w & mask0)
-		{
-		    if(!fInBox)
-		    {
-			rx1 = base + ib;
-			/* start new box */
-			fInBox = TRUE;
-		    }
-		}
-		else
-		{
-		    if(fInBox)
-		    {
-			/* end box */
-			ADDRECT(pReg, rects, FirstRect,
-				rx1, h, base + ib, h + 1);
-			fInBox = FALSE;
-		    }
-		}
-		/* Shift the word VISUALLY left one. */
-		w = FbScrLeft(w, 1);
-	    }
-	}
-	/* If scanline ended with last bit set, end the box */
-	if(fInBox)
-	{
-	    ADDRECT(pReg, rects, FirstRect,
-		    rx1, h, base + (width & FB_MASK), h + 1);
-	}
-	/* if all rectangles on this line have the same x-coords as
-	 * those on the previous line, then add 1 to all the previous  y2s and 
-	 * throw away all the rectangles from this line 
-	 */
-	fSame = FALSE;
-	if(irectPrevStart != -1)
-	{
-	    crects = irectLineStart - irectPrevStart;
-	    if(crects == ((rects - FirstRect) - irectLineStart))
-	    {
-	        prectO = FirstRect + irectPrevStart;
-	        prectN = prectLineStart = FirstRect + irectLineStart;
-		fSame = TRUE;
-	        while(prectO < prectLineStart)
-		{
-		    if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2))
-		    {
-			  fSame = FALSE;
-			  break;
-		    }
-		    prectO++;
-		    prectN++;
-		}
-		if (fSame)
-		{
-		    prectO = FirstRect + irectPrevStart;
-		    while(prectO < prectLineStart)
-		    {
-			prectO->y2 += 1;
-			prectO++;
-		    }
-		    rects -= crects;
-		    pReg->data->numRects -= crects;
-		}
-	    }
-	}
-	if(!fSame)
-	    irectPrevStart = irectLineStart;
-    }
-    if (!pReg->data->numRects)
-	pReg->extents.x1 = pReg->extents.x2 = 0;
-    else
-    {
-	pReg->extents.y1 = RegionBoxptr(pReg)->y1;
-	pReg->extents.y2 = RegionEnd(pReg)->y2;
-	if (pReg->data->numRects == 1)
-	{
-	    free(pReg->data);
-	    pReg->data = (RegDataPtr)NULL;
-	}
-    }
-
-    fbFinishAccess(&pPix->drawable);
-#ifdef DEBUG
-    if (!RegionIsValid(pReg))
-	FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__);
-#endif
-    return pReg;
-}
-
-#ifdef FB_DEBUG
-
-#ifndef WIN32
-#include <stdio.h>
-#else
-#include <dbg.h>
-#endif
-
-static Bool
-fbValidateBits (FbStip *bits, int stride, FbStip data)
-{
-    while (stride--)
-    {
-	if (*bits != data)
-	{
-#ifdef WIN32
-	    NCD_DEBUG ((DEBUG_FAILURE, "fdValidateBits failed at 0x%x (is 0x%x want 0x%x)",
-			bits, *bits, data));
-#else
-	    fprintf (stderr, "fbValidateBits failed\n");
-#endif
-	    return FALSE;
-	}
-	bits++;
-    }
-}
-
-void
-fbValidateDrawable (DrawablePtr pDrawable)
-{
-    FbStip	*bits, *first, *last;
-    int		stride, bpp;
-    int		xoff, yoff;
-    int		height;
-    Bool	failed;
-    
-    if (pDrawable->type != DRAWABLE_PIXMAP)
-	pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable);
-    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
-    first = bits - stride;
-    last = bits + stride * pDrawable->height;
-    if (!fbValidateBits (first, stride, FB_HEAD_BITS) ||
-	!fbValidateBits (last, stride, FB_TAIL_BITS))
-	fbInitializeDrawable(pDrawable);
-    fbFinishAccess (pDrawable);
-}
-
-void
-fbSetBits (FbStip *bits, int stride, FbStip data)
-{
-    while (stride--)
-	*bits++ = data;
-}
-
-void
-fbInitializeDrawable (DrawablePtr pDrawable)
-{
-    FbStip  *bits, *first, *last;
-    int	    stride, bpp;
-    int	    xoff, yoff;
-    
-    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
-    first = bits - stride;
-    last = bits + stride * pDrawable->height;
-    fbSetBits (first, stride, FB_HEAD_BITS);
-    fbSetBits (last, stride, FB_TAIL_BITS);
-    fbFinishAccess (pDrawable);
-}
-#endif /* FB_DEBUG */
+/*
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, 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 Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include "fb.h"
+
+PixmapPtr
+fbCreatePixmapBpp (ScreenPtr pScreen, int width, int height, int depth, int bpp,
+		   unsigned class)
+{
+    PixmapPtr	pPixmap;
+    size_t	datasize;
+    size_t	paddedWidth;
+    int		adjust;
+    int		base;
+
+    paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof (FbBits);
+    if (paddedWidth / 4 > 32767 || height > 32767)
+	return NullPixmap;
+    datasize = height * paddedWidth;
+    base = pScreen->totalPixmapSize;
+    adjust = 0;
+    if (base & 7)
+	adjust = 8 - (base & 7);
+    datasize += adjust;
+#ifdef FB_DEBUG
+    datasize += 2 * paddedWidth;
+#endif
+    pPixmap = AllocatePixmap(pScreen, datasize);
+    if (!pPixmap)
+	return NullPixmap;
+    pPixmap->drawable.type = DRAWABLE_PIXMAP;
+    pPixmap->drawable.class = class;
+    pPixmap->drawable.pScreen = pScreen;
+    pPixmap->drawable.depth = depth;
+    pPixmap->drawable.bitsPerPixel = bpp;
+    pPixmap->drawable.id = 0;
+    pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+    pPixmap->drawable.x = 0;
+    pPixmap->drawable.y = 0;
+    pPixmap->drawable.width = width;
+    pPixmap->drawable.height = height;
+    pPixmap->devKind = paddedWidth;
+    pPixmap->refcnt = 1;
+    pPixmap->devPrivate.ptr = (pointer) ((char *)pPixmap + base + adjust);
+
+#ifdef FB_DEBUG
+    pPixmap->devPrivate.ptr = (void *) ((char *) pPixmap->devPrivate.ptr + paddedWidth);
+    fbInitializeDrawable (&pPixmap->drawable);
+#endif
+
+#ifdef COMPOSITE
+    pPixmap->screen_x = 0;
+    pPixmap->screen_y = 0;
+#endif
+
+    return pPixmap;
+}
+
+PixmapPtr
+fbCreatePixmap (ScreenPtr pScreen, int width, int height, int depth,
+		unsigned class)
+{
+    int	bpp;
+    bpp = BitsPerPixel (depth);
+#ifdef FB_SCREEN_PRIVATE
+    if (bpp == 32 && depth <= 24)
+	bpp = fbGetScreenPrivate(pScreen)->pix32bpp;
+#endif
+    return fbCreatePixmapBpp (pScreen, width, height, depth, bpp, class);
+}
+
+Bool
+fbDestroyPixmap (PixmapPtr pPixmap)
+{
+    if(--pPixmap->refcnt)
+	return TRUE;
+    FreePixmap(pPixmap);
+    return TRUE;
+}
+
+#define ADDRECT(reg,r,fr,rx1,ry1,rx2,ry2)			\
+if (((rx1) < (rx2)) && ((ry1) < (ry2)) &&			\
+    (!((reg)->data->numRects &&					\
+       ((r-1)->y1 == (ry1)) &&					\
+       ((r-1)->y2 == (ry2)) &&					\
+       ((r-1)->x1 <= (rx1)) &&					\
+       ((r-1)->x2 >= (rx2)))))					\
+{								\
+    if ((reg)->data->numRects == (reg)->data->size)		\
+    {								\
+	RegionRectAlloc(reg, 1);					\
+	fr = RegionBoxptr(reg);				\
+	r = fr + (reg)->data->numRects;				\
+    }								\
+    r->x1 = (rx1);						\
+    r->y1 = (ry1);						\
+    r->x2 = (rx2);						\
+    r->y2 = (ry2);						\
+    (reg)->data->numRects++;					\
+    if(r->x1 < (reg)->extents.x1)				\
+	(reg)->extents.x1 = r->x1;				\
+    if(r->x2 > (reg)->extents.x2)				\
+	(reg)->extents.x2 = r->x2;				\
+    r++;							\
+}
+
+/* Convert bitmap clip mask into clipping region. 
+ * First, goes through each line and makes boxes by noting the transitions
+ * from 0 to 1 and 1 to 0.
+ * Then it coalesces the current line with the previous if they have boxes
+ * at the same X coordinates.
+ */
+RegionPtr
+fbPixmapToRegion(PixmapPtr pPix)
+{
+    register RegionPtr	pReg;
+    FbBits		*pw, w;
+    register int	ib;
+    int			width, h, base, rx1 = 0, crects;
+    FbBits		*pwLineEnd;
+    int			irectPrevStart, irectLineStart;
+    register BoxPtr	prectO, prectN;
+    BoxPtr		FirstRect, rects, prectLineStart;
+    Bool		fInBox, fSame;
+    register FbBits	mask0 = FB_ALLONES & ~FbScrRight(FB_ALLONES, 1);
+    FbBits		*pwLine;
+    int			nWidth;
+    
+    pReg = RegionCreate(NULL, 1);
+    if(!pReg)
+	return NullRegion;
+    FirstRect = RegionBoxptr(pReg);
+    rects = FirstRect;
+
+    fbPrepareAccess(&pPix->drawable);
+
+    pwLine = (FbBits *) pPix->devPrivate.ptr;
+    nWidth = pPix->devKind >> (FB_SHIFT-3);
+
+    width = pPix->drawable.width;
+    pReg->extents.x1 = width - 1;
+    pReg->extents.x2 = 0;
+    irectPrevStart = -1;
+    for(h = 0; h < pPix->drawable.height; h++)
+    {
+	pw = pwLine;
+	pwLine += nWidth;
+	irectLineStart = rects - FirstRect;
+	/* If the Screen left most bit of the word is set, we're starting in
+	 * a box */
+	if(READ(pw) & mask0)
+	{
+	    fInBox = TRUE;
+	    rx1 = 0;
+	}
+	else
+	    fInBox = FALSE;
+	/* Process all words which are fully in the pixmap */
+	pwLineEnd = pw + (width >> FB_SHIFT);
+	for (base = 0; pw < pwLineEnd; base += FB_UNIT)
+	{
+	    w = READ(pw++);
+	    if (fInBox)
+	    {
+		if (!~w)
+		    continue;
+	    }
+	    else
+	    {
+		if (!w)
+		    continue;
+	    }
+	    for(ib = 0; ib < FB_UNIT; ib++)
+	    {
+	        /* If the Screen left most bit of the word is set, we're
+		 * starting a box */
+		if(w & mask0)
+		{
+		    if(!fInBox)
+		    {
+			rx1 = base + ib;
+			/* start new box */
+			fInBox = TRUE;
+		    }
+		}
+		else
+		{
+		    if(fInBox)
+		    {
+			/* end box */
+			ADDRECT(pReg, rects, FirstRect,
+				rx1, h, base + ib, h + 1);
+			fInBox = FALSE;
+		    }
+		}
+		/* Shift the word VISUALLY left one. */
+		w = FbScrLeft(w, 1);
+	    }
+	}
+	if(width & FB_MASK)
+	{
+	    /* Process final partial word on line */
+	    w = READ(pw++);
+	    for(ib = 0; ib < (width & FB_MASK); ib++)
+	    {
+	        /* If the Screen left most bit of the word is set, we're
+		 * starting a box */
+		if(w & mask0)
+		{
+		    if(!fInBox)
+		    {
+			rx1 = base + ib;
+			/* start new box */
+			fInBox = TRUE;
+		    }
+		}
+		else
+		{
+		    if(fInBox)
+		    {
+			/* end box */
+			ADDRECT(pReg, rects, FirstRect,
+				rx1, h, base + ib, h + 1);
+			fInBox = FALSE;
+		    }
+		}
+		/* Shift the word VISUALLY left one. */
+		w = FbScrLeft(w, 1);
+	    }
+	}
+	/* If scanline ended with last bit set, end the box */
+	if(fInBox)
+	{
+	    ADDRECT(pReg, rects, FirstRect,
+		    rx1, h, base + (width & FB_MASK), h + 1);
+	}
+	/* if all rectangles on this line have the same x-coords as
+	 * those on the previous line, then add 1 to all the previous  y2s and 
+	 * throw away all the rectangles from this line 
+	 */
+	fSame = FALSE;
+	if(irectPrevStart != -1)
+	{
+	    crects = irectLineStart - irectPrevStart;
+	    if(crects == ((rects - FirstRect) - irectLineStart))
+	    {
+	        prectO = FirstRect + irectPrevStart;
+	        prectN = prectLineStart = FirstRect + irectLineStart;
+		fSame = TRUE;
+	        while(prectO < prectLineStart)
+		{
+		    if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2))
+		    {
+			  fSame = FALSE;
+			  break;
+		    }
+		    prectO++;
+		    prectN++;
+		}
+		if (fSame)
+		{
+		    prectO = FirstRect + irectPrevStart;
+		    while(prectO < prectLineStart)
+		    {
+			prectO->y2 += 1;
+			prectO++;
+		    }
+		    rects -= crects;
+		    pReg->data->numRects -= crects;
+		}
+	    }
+	}
+	if(!fSame)
+	    irectPrevStart = irectLineStart;
+    }
+    if (!pReg->data->numRects)
+	pReg->extents.x1 = pReg->extents.x2 = 0;
+    else
+    {
+	pReg->extents.y1 = RegionBoxptr(pReg)->y1;
+	pReg->extents.y2 = RegionEnd(pReg)->y2;
+	if (pReg->data->numRects == 1)
+	{
+	    free(pReg->data);
+	    pReg->data = (RegDataPtr)NULL;
+	}
+    }
+
+    fbFinishAccess(&pPix->drawable);
+#ifdef DEBUG
+    if (!RegionIsValid(pReg))
+	FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__);
+#endif
+    return pReg;
+}
+
+#ifdef FB_DEBUG
+
+#ifndef WIN32
+#include <stdio.h>
+#else
+#include <dbg.h>
+#endif
+
+static Bool
+fbValidateBits (FbStip *bits, int stride, FbStip data)
+{
+    while (stride--)
+    {
+	if (*bits != data)
+	{
+#ifdef WIN32
+	    NCD_DEBUG ((DEBUG_FAILURE, "fdValidateBits failed at 0x%x (is 0x%x want 0x%x)",
+			bits, *bits, data));
+#else
+	    fprintf (stderr, "fbValidateBits failed\n");
+#endif
+	    return FALSE;
+	}
+	bits++;
+    }
+}
+
+void
+fbValidateDrawable (DrawablePtr pDrawable)
+{
+    FbStip	*bits, *first, *last;
+    int		stride, bpp;
+    int		xoff, yoff;
+    int		height;
+    Bool	failed;
+    
+    if (pDrawable->type != DRAWABLE_PIXMAP)
+	pDrawable = (DrawablePtr) fbGetWindowPixmap(pDrawable);
+    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
+    first = bits - stride;
+    last = bits + stride * pDrawable->height;
+    if (!fbValidateBits (first, stride, FB_HEAD_BITS) ||
+	!fbValidateBits (last, stride, FB_TAIL_BITS))
+	fbInitializeDrawable(pDrawable);
+    fbFinishAccess (pDrawable);
+}
+
+void
+fbSetBits (FbStip *bits, int stride, FbStip data)
+{
+    while (stride--)
+	*bits++ = data;
+}
+
+void
+fbInitializeDrawable (DrawablePtr pDrawable)
+{
+    FbStip  *bits, *first, *last;
+    int	    stride, bpp;
+    int	    xoff, yoff;
+    
+    fbGetStipDrawable(pDrawable, bits, stride, bpp, xoff, yoff);
+    first = bits - stride;
+    last = bits + stride * pDrawable->height;
+    fbSetBits (first, stride, FB_HEAD_BITS);
+    fbSetBits (last, stride, FB_TAIL_BITS);
+    fbFinishAccess (pDrawable);
+}
+#endif /* FB_DEBUG */
-- 
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