diff options
Diffstat (limited to 'xorg-server/fb')
| -rw-r--r-- | xorg-server/fb/fb.h | 4180 | ||||
| -rw-r--r-- | xorg-server/fb/fb24_32.c | 1270 | ||||
| -rw-r--r-- | xorg-server/fb/fbpixmap.c | 782 |
3 files changed, 3117 insertions, 3115 deletions
diff --git a/xorg-server/fb/fb.h b/xorg-server/fb/fb.h index d90521907..cefd410dd 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 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_ */ - +/*
+ *
+ * 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_ */
+
diff --git a/xorg-server/fb/fb24_32.c b/xorg-server/fb/fb24_32.c index e24f394bc..748a0ec04 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->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); -} +/*
+ * 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);
+}
diff --git a/xorg-server/fb/fbpixmap.c b/xorg-server/fb/fbpixmap.c index 232de82a9..155f1e134 100644 --- a/xorg-server/fb/fbpixmap.c +++ b/xorg-server/fb/fbpixmap.c @@ -1,390 +1,392 @@ -/* - * 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 */ +/*
+ * 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 */
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