diff options
Diffstat (limited to 'xorg-server/fb')
| -rw-r--r-- | xorg-server/fb/fb.h | 4066 | ||||
| -rw-r--r-- | xorg-server/fb/fballpriv.c | 120 | ||||
| -rw-r--r-- | xorg-server/fb/fbarc.c | 284 | ||||
| -rw-r--r-- | xorg-server/fb/fbbits.c | 348 | ||||
| -rw-r--r-- | xorg-server/fb/fbblt.c | 1896 | ||||
| -rw-r--r-- | xorg-server/fb/fbbltone.c | 1724 | ||||
| -rw-r--r-- | xorg-server/fb/fbcopy.c | 678 | ||||
| -rw-r--r-- | xorg-server/fb/fbgc.c | 614 | ||||
| -rw-r--r-- | xorg-server/fb/fbgetsp.c | 170 | ||||
| -rw-r--r-- | xorg-server/fb/fbglyph.c | 922 | ||||
| -rw-r--r-- | xorg-server/fb/fbimage.c | 728 | ||||
| -rw-r--r-- | xorg-server/fb/fbline.c | 334 | ||||
| -rw-r--r-- | xorg-server/fb/fboverlay.c | 858 | ||||
| -rw-r--r-- | xorg-server/fb/fbpict.c | 746 | ||||
| -rw-r--r-- | xorg-server/fb/fbpict.h | 176 | ||||
| -rw-r--r-- | xorg-server/fb/fbpixmap.c | 762 | ||||
| -rw-r--r-- | xorg-server/fb/fbpoint.c | 312 | ||||
| -rw-r--r-- | xorg-server/fb/fbscreen.c | 556 | ||||
| -rw-r--r-- | xorg-server/fb/fbseg.c | 1444 | ||||
| -rw-r--r-- | xorg-server/fb/fbsetsp.c | 200 | ||||
| -rw-r--r-- | xorg-server/fb/fbsolid.c | 418 | ||||
| -rw-r--r-- | xorg-server/fb/fbstipple.c | 616 | ||||
| -rw-r--r-- | xorg-server/fb/fbtrap.c | 430 | ||||
| -rw-r--r-- | xorg-server/fb/fbwindow.c | 458 |
24 files changed, 9430 insertions, 9430 deletions
diff --git a/xorg-server/fb/fb.h b/xorg-server/fb/fb.h index b2f238e44..a3f93bdae 100644 --- a/xorg-server/fb/fb.h +++ b/xorg-server/fb/fb.h @@ -1,2033 +1,2033 @@ -/*
- *
- * 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
-
-/* for driver compat - intel UXA needs the second one at least */
-#define FB_24BIT
-#define FB_24_32BIT
-
-#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; \
-}
-
-
-#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)); \
- } \
-}
-
-#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;
-
-
-/* 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
-
-
-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()))
-
-/* 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);
-
-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);
-
-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);
-
-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);
-
-extern _X_EXPORT void
-fbSolid24 (FbBits *dst,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- FbBits and,
- FbBits xor);
-
-/*
- * 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 + +/* for driver compat - intel UXA needs the second one at least */ +#define FB_24BIT +#define FB_24_32BIT + +#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; \ +} + + +#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)); \ + } \ +} + +#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; + + +/* 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 + + +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())) + +/* 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); + +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); + +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); + +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); + +extern _X_EXPORT void +fbSolid24 (FbBits *dst, + FbStride dstStride, + int dstX, + + int width, + int height, + + FbBits and, + FbBits xor); + +/* + * 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/fballpriv.c b/xorg-server/fb/fballpriv.c index 1fe3a6934..321903628 100644 --- a/xorg-server/fb/fballpriv.c +++ b/xorg-server/fb/fballpriv.c @@ -1,60 +1,60 @@ -/*
- * 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 "fb.h"
-
-static DevPrivateKeyRec fbScreenPrivateKeyRec;
-DevPrivateKey
-fbGetScreenPrivateKey(void) { return &fbScreenPrivateKeyRec; }
-
-static DevPrivateKeyRec fbGCPrivateKeyRec;
-DevPrivateKey
-fbGetGCPrivateKey (void) { return &fbGCPrivateKeyRec; }
-
-static DevPrivateKeyRec fbWinPrivateKeyRec;
-DevPrivateKey
-fbGetWinPrivateKey (void) { return &fbWinPrivateKeyRec; }
-
-Bool
-fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCKey)
-{
- if (pGCKey)
- *pGCKey = &fbGCPrivateKeyRec;
-
- if (!dixRegisterPrivateKey(&fbGCPrivateKeyRec, PRIVATE_GC, sizeof(FbGCPrivRec)))
- return FALSE;
- if (!dixRegisterPrivateKey(&fbScreenPrivateKeyRec, PRIVATE_SCREEN, sizeof (FbScreenPrivRec)))
- return FALSE;
- if (!dixRegisterPrivateKey(&fbWinPrivateKeyRec, PRIVATE_WINDOW, 0))
- return FALSE;
-
- return TRUE;
-}
-
-#ifdef FB_ACCESS_WRAPPER
-ReadMemoryProcPtr wfbReadMemory;
-WriteMemoryProcPtr wfbWriteMemory;
-#endif
+/* + * 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 "fb.h" + +static DevPrivateKeyRec fbScreenPrivateKeyRec; +DevPrivateKey +fbGetScreenPrivateKey(void) { return &fbScreenPrivateKeyRec; } + +static DevPrivateKeyRec fbGCPrivateKeyRec; +DevPrivateKey +fbGetGCPrivateKey (void) { return &fbGCPrivateKeyRec; } + +static DevPrivateKeyRec fbWinPrivateKeyRec; +DevPrivateKey +fbGetWinPrivateKey (void) { return &fbWinPrivateKeyRec; } + +Bool +fbAllocatePrivates(ScreenPtr pScreen, DevPrivateKey *pGCKey) +{ + if (pGCKey) + *pGCKey = &fbGCPrivateKeyRec; + + if (!dixRegisterPrivateKey(&fbGCPrivateKeyRec, PRIVATE_GC, sizeof(FbGCPrivRec))) + return FALSE; + if (!dixRegisterPrivateKey(&fbScreenPrivateKeyRec, PRIVATE_SCREEN, sizeof (FbScreenPrivRec))) + return FALSE; + if (!dixRegisterPrivateKey(&fbWinPrivateKeyRec, PRIVATE_WINDOW, 0)) + return FALSE; + + return TRUE; +} + +#ifdef FB_ACCESS_WRAPPER +ReadMemoryProcPtr wfbReadMemory; +WriteMemoryProcPtr wfbWriteMemory; +#endif diff --git a/xorg-server/fb/fbarc.c b/xorg-server/fb/fbarc.c index 1ba60b81b..e54c80491 100644 --- a/xorg-server/fb/fbarc.c +++ b/xorg-server/fb/fbarc.c @@ -1,142 +1,142 @@ -/*
- * 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 "fb.h"
-#include "mizerarc.h"
-#include <limits.h>
-
-typedef void (*FbArc) (FbBits *dst,
- FbStride dstStride,
- int dstBpp,
- xArc *arc,
- int dx,
- int dy,
- FbBits and,
- FbBits xor);
-
-void
-fbPolyArc (DrawablePtr pDrawable,
- GCPtr pGC,
- int narcs,
- xArc *parcs)
-{
- FbArc arc;
-
- if (pGC->lineWidth == 0)
- {
- arc = 0;
- if (pGC->lineStyle == LineSolid && pGC->fillStyle == FillSolid)
- {
- switch (pDrawable->bitsPerPixel)
- {
- case 8: arc = fbArc8; break;
- case 16: arc = fbArc16; break;
- case 24: arc = fbArc24; break;
- case 32: arc = fbArc32; break;
- }
- }
- if (arc)
- {
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- BoxRec box;
- int x2, y2;
- RegionPtr cclip;
-#ifdef FB_ACCESS_WRAPPER
- int wrapped = 1;
-#endif
-
- cclip = fbGetCompositeClip (pGC);
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- while (narcs--)
- {
- if (miCanZeroArc (parcs))
- {
- box.x1 = parcs->x + pDrawable->x;
- box.y1 = parcs->y + pDrawable->y;
- /*
- * Because box.x2 and box.y2 get truncated to 16 bits, and the
- * RECT_IN_REGION test treats the resulting number as a signed
- * integer, the RECT_IN_REGION test alone can go the wrong way.
- * This can result in a server crash because the rendering
- * routines in this file deal directly with cpu addresses
- * of pixels to be stored, and do not clip or otherwise check
- * that all such addresses are within their respective pixmaps.
- * So we only allow the RECT_IN_REGION test to be used for
- * values that can be expressed correctly in a signed short.
- */
- x2 = box.x1 + (int)parcs->width + 1;
- box.x2 = x2;
- y2 = box.y1 + (int)parcs->height + 1;
- box.y2 = y2;
- if ( (x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) &&
- (RegionContainsRect(cclip, &box) == rgnIN) ) {
-#ifdef FB_ACCESS_WRAPPER
- if (!wrapped) {
- fbPrepareAccess (pDrawable);
- wrapped = 1;
- }
-#endif
- (*arc) (dst, dstStride, dstBpp,
- parcs, pDrawable->x + dstXoff, pDrawable->y + dstYoff,
- pPriv->and, pPriv->xor);
- } else {
-#ifdef FB_ACCESS_WRAPPER
- if (wrapped) {
- fbFinishAccess (pDrawable);
- wrapped = 0;
- }
-#endif
- miZeroPolyArc(pDrawable, pGC, 1, parcs);
- }
- }
- else {
-#ifdef FB_ACCESS_WRAPPER
- if (wrapped) {
- fbFinishAccess (pDrawable);
- wrapped = 0;
- }
-#endif
- miPolyArc(pDrawable, pGC, 1, parcs);
- }
- parcs++;
- }
-#ifdef FB_ACCESS_WRAPPER
- if (wrapped) {
- fbFinishAccess (pDrawable);
- wrapped = 0;
- }
-#endif
- }
- else
- miZeroPolyArc (pDrawable, pGC, narcs, parcs);
- }
- else
- miPolyArc (pDrawable, pGC, narcs, parcs);
-}
+/* + * 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 "fb.h" +#include "mizerarc.h" +#include <limits.h> + +typedef void (*FbArc) (FbBits *dst, + FbStride dstStride, + int dstBpp, + xArc *arc, + int dx, + int dy, + FbBits and, + FbBits xor); + +void +fbPolyArc (DrawablePtr pDrawable, + GCPtr pGC, + int narcs, + xArc *parcs) +{ + FbArc arc; + + if (pGC->lineWidth == 0) + { + arc = 0; + if (pGC->lineStyle == LineSolid && pGC->fillStyle == FillSolid) + { + switch (pDrawable->bitsPerPixel) + { + case 8: arc = fbArc8; break; + case 16: arc = fbArc16; break; + case 24: arc = fbArc24; break; + case 32: arc = fbArc32; break; + } + } + if (arc) + { + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxRec box; + int x2, y2; + RegionPtr cclip; +#ifdef FB_ACCESS_WRAPPER + int wrapped = 1; +#endif + + cclip = fbGetCompositeClip (pGC); + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + while (narcs--) + { + if (miCanZeroArc (parcs)) + { + box.x1 = parcs->x + pDrawable->x; + box.y1 = parcs->y + pDrawable->y; + /* + * Because box.x2 and box.y2 get truncated to 16 bits, and the + * RECT_IN_REGION test treats the resulting number as a signed + * integer, the RECT_IN_REGION test alone can go the wrong way. + * This can result in a server crash because the rendering + * routines in this file deal directly with cpu addresses + * of pixels to be stored, and do not clip or otherwise check + * that all such addresses are within their respective pixmaps. + * So we only allow the RECT_IN_REGION test to be used for + * values that can be expressed correctly in a signed short. + */ + x2 = box.x1 + (int)parcs->width + 1; + box.x2 = x2; + y2 = box.y1 + (int)parcs->height + 1; + box.y2 = y2; + if ( (x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) && + (RegionContainsRect(cclip, &box) == rgnIN) ) { +#ifdef FB_ACCESS_WRAPPER + if (!wrapped) { + fbPrepareAccess (pDrawable); + wrapped = 1; + } +#endif + (*arc) (dst, dstStride, dstBpp, + parcs, pDrawable->x + dstXoff, pDrawable->y + dstYoff, + pPriv->and, pPriv->xor); + } else { +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + miZeroPolyArc(pDrawable, pGC, 1, parcs); + } + } + else { +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + miPolyArc(pDrawable, pGC, 1, parcs); + } + parcs++; + } +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + } + else + miZeroPolyArc (pDrawable, pGC, narcs, parcs); + } + else + miPolyArc (pDrawable, pGC, narcs, parcs); +} diff --git a/xorg-server/fb/fbbits.c b/xorg-server/fb/fbbits.c index 7cc4d24fe..850d1632e 100644 --- a/xorg-server/fb/fbbits.c +++ b/xorg-server/fb/fbbits.c @@ -1,174 +1,174 @@ -/*
- * 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 "fb.h"
-#include "miline.h"
-#include "mizerarc.h"
-
-#undef BRESSOLID
-#undef BRESDASH
-#undef DOTS
-#undef ARC
-#undef GLYPH
-#undef BITS
-#undef BITS2
-#undef BITS4
-
-#define BRESSOLID fbBresSolid8
-#define BRESDASH fbBresDash8
-#define DOTS fbDots8
-#define ARC fbArc8
-#define GLYPH fbGlyph8
-#define POLYLINE fbPolyline8
-#define POLYSEGMENT fbPolySegment8
-#define BITS BYTE
-#define BITS2 CARD16
-#define BITS4 CARD32
-
-#include "fbbits.h"
-
-#undef BRESSOLID
-#undef BRESDASH
-#undef DOTS
-#undef ARC
-#undef GLYPH
-#undef POLYLINE
-#undef POLYSEGMENT
-#undef BITS
-#undef BITS2
-#undef BITS4
-
-#define BRESSOLID fbBresSolid16
-#define BRESDASH fbBresDash16
-#define DOTS fbDots16
-#define ARC fbArc16
-#define GLYPH fbGlyph16
-#define POLYLINE fbPolyline16
-#define POLYSEGMENT fbPolySegment16
-#define BITS CARD16
-#define BITS2 CARD32
-#if FB_SHIFT == 6
-#define BITS4 FbBits
-#endif
-
-#include "fbbits.h"
-
-#undef BRESSOLID
-#undef BRESDASH
-#undef DOTS
-#undef ARC
-#undef GLYPH
-#undef POLYLINE
-#undef POLYSEGMENT
-#undef BITS
-#undef BITS2
-#if FB_SHIFT == 6
-#undef BITS4
-#endif
-
-#define BRESSOLID fbBresSolid24
-#define BRESDASH fbBresDash24
-#define DOTS fbDots24
-#define ARC fbArc24
-#define POLYLINE fbPolyline24
-#define POLYSEGMENT fbPolySegment24
-
-#define BITS CARD32
-#define BITSUNIT BYTE
-#define BITSMUL 3
-
-#define FbDoTypeStore(b,t,x,s) WRITE(((t *) (b)), (x) >> (s))
-#define FbDoTypeRRop(b,t,a,x,s) WRITE((t *) (b), FbDoRRop(READ((t *) (b)),\
- (a) >> (s), \
- (x) >> (s)))
-#define FbDoTypeMaskRRop(b,t,a,x,m,s) WRITE((t *) (b), FbDoMaskRRop(READ((t *) (b)),\
- (a) >> (s), \
- (x) >> (s), \
- (m) >> (s)))
-#if BITMAP_BIT_ORDER == LSBFirst
-#define BITSSTORE(b,x) ((unsigned long) (b) & 1 ? \
- (FbDoTypeStore (b, CARD8, x, 0), \
- FbDoTypeStore ((b) + 1, CARD16, x, 8)) : \
- (FbDoTypeStore (b, CARD16, x, 0), \
- FbDoTypeStore ((b) + 2, CARD8, x, 16)))
-#define BITSRROP(b,a,x) ((unsigned long) (b) & 1 ? \
- (FbDoTypeRRop(b,CARD8,a,x,0), \
- FbDoTypeRRop((b)+1,CARD16,a,x,8)) : \
- (FbDoTypeRRop(b,CARD16,a,x,0), \
- FbDoTypeRRop((b)+2,CARD8,a,x,16)))
-#else
-#define BITSSTORE(b,x) ((unsigned long) (b) & 1 ? \
- (FbDoTypeStore (b, CARD8, x, 16), \
- FbDoTypeStore ((b) + 1, CARD16, x, 0)) : \
- (FbDoTypeStore (b, CARD16, x, 8), \
- FbDoTypeStore ((b) + 2, CARD8, x, 0)))
-#define BITSRROP(b,a,x) ((unsigned long) (b) & 1 ? \
- (FbDoTypeRRop (b, CARD8, a, x, 16), \
- FbDoTypeRRop ((b) + 1, CARD16, a, x, 0)) : \
- (FbDoTypeRRop (b, CARD16, a, x, 8), \
- FbDoTypeRRop ((b) + 2, CARD8, a, x, 0)))
-#endif
-
-#include "fbbits.h"
-
-#undef BITSSTORE
-#undef BITSRROP
-#undef BITSMUL
-#undef BITSUNIT
-#undef BITS
-
-#undef BRESSOLID
-#undef BRESDASH
-#undef DOTS
-#undef ARC
-#undef POLYLINE
-#undef POLYSEGMENT
-
-#define BRESSOLID fbBresSolid32
-#define BRESDASH fbBresDash32
-#define DOTS fbDots32
-#define ARC fbArc32
-#define GLYPH fbGlyph32
-#define POLYLINE fbPolyline32
-#define POLYSEGMENT fbPolySegment32
-#define BITS CARD32
-#if FB_SHIFT == 6
-#define BITS2 FbBits
-#endif
-
-#include "fbbits.h"
-
-#undef BRESSOLID
-#undef BRESDASH
-#undef DOTS
-#undef ARC
-#undef GLYPH
-#undef POLYLINE
-#undef POLYSEGMENT
-#undef BITS
-#if FB_SHIFT == 6
-#undef BITS2
-#endif
+/* + * 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 "fb.h" +#include "miline.h" +#include "mizerarc.h" + +#undef BRESSOLID +#undef BRESDASH +#undef DOTS +#undef ARC +#undef GLYPH +#undef BITS +#undef BITS2 +#undef BITS4 + +#define BRESSOLID fbBresSolid8 +#define BRESDASH fbBresDash8 +#define DOTS fbDots8 +#define ARC fbArc8 +#define GLYPH fbGlyph8 +#define POLYLINE fbPolyline8 +#define POLYSEGMENT fbPolySegment8 +#define BITS BYTE +#define BITS2 CARD16 +#define BITS4 CARD32 + +#include "fbbits.h" + +#undef BRESSOLID +#undef BRESDASH +#undef DOTS +#undef ARC +#undef GLYPH +#undef POLYLINE +#undef POLYSEGMENT +#undef BITS +#undef BITS2 +#undef BITS4 + +#define BRESSOLID fbBresSolid16 +#define BRESDASH fbBresDash16 +#define DOTS fbDots16 +#define ARC fbArc16 +#define GLYPH fbGlyph16 +#define POLYLINE fbPolyline16 +#define POLYSEGMENT fbPolySegment16 +#define BITS CARD16 +#define BITS2 CARD32 +#if FB_SHIFT == 6 +#define BITS4 FbBits +#endif + +#include "fbbits.h" + +#undef BRESSOLID +#undef BRESDASH +#undef DOTS +#undef ARC +#undef GLYPH +#undef POLYLINE +#undef POLYSEGMENT +#undef BITS +#undef BITS2 +#if FB_SHIFT == 6 +#undef BITS4 +#endif + +#define BRESSOLID fbBresSolid24 +#define BRESDASH fbBresDash24 +#define DOTS fbDots24 +#define ARC fbArc24 +#define POLYLINE fbPolyline24 +#define POLYSEGMENT fbPolySegment24 + +#define BITS CARD32 +#define BITSUNIT BYTE +#define BITSMUL 3 + +#define FbDoTypeStore(b,t,x,s) WRITE(((t *) (b)), (x) >> (s)) +#define FbDoTypeRRop(b,t,a,x,s) WRITE((t *) (b), FbDoRRop(READ((t *) (b)),\ + (a) >> (s), \ + (x) >> (s))) +#define FbDoTypeMaskRRop(b,t,a,x,m,s) WRITE((t *) (b), FbDoMaskRRop(READ((t *) (b)),\ + (a) >> (s), \ + (x) >> (s), \ + (m) >> (s))) +#if BITMAP_BIT_ORDER == LSBFirst +#define BITSSTORE(b,x) ((unsigned long) (b) & 1 ? \ + (FbDoTypeStore (b, CARD8, x, 0), \ + FbDoTypeStore ((b) + 1, CARD16, x, 8)) : \ + (FbDoTypeStore (b, CARD16, x, 0), \ + FbDoTypeStore ((b) + 2, CARD8, x, 16))) +#define BITSRROP(b,a,x) ((unsigned long) (b) & 1 ? \ + (FbDoTypeRRop(b,CARD8,a,x,0), \ + FbDoTypeRRop((b)+1,CARD16,a,x,8)) : \ + (FbDoTypeRRop(b,CARD16,a,x,0), \ + FbDoTypeRRop((b)+2,CARD8,a,x,16))) +#else +#define BITSSTORE(b,x) ((unsigned long) (b) & 1 ? \ + (FbDoTypeStore (b, CARD8, x, 16), \ + FbDoTypeStore ((b) + 1, CARD16, x, 0)) : \ + (FbDoTypeStore (b, CARD16, x, 8), \ + FbDoTypeStore ((b) + 2, CARD8, x, 0))) +#define BITSRROP(b,a,x) ((unsigned long) (b) & 1 ? \ + (FbDoTypeRRop (b, CARD8, a, x, 16), \ + FbDoTypeRRop ((b) + 1, CARD16, a, x, 0)) : \ + (FbDoTypeRRop (b, CARD16, a, x, 8), \ + FbDoTypeRRop ((b) + 2, CARD8, a, x, 0))) +#endif + +#include "fbbits.h" + +#undef BITSSTORE +#undef BITSRROP +#undef BITSMUL +#undef BITSUNIT +#undef BITS + +#undef BRESSOLID +#undef BRESDASH +#undef DOTS +#undef ARC +#undef POLYLINE +#undef POLYSEGMENT + +#define BRESSOLID fbBresSolid32 +#define BRESDASH fbBresDash32 +#define DOTS fbDots32 +#define ARC fbArc32 +#define GLYPH fbGlyph32 +#define POLYLINE fbPolyline32 +#define POLYSEGMENT fbPolySegment32 +#define BITS CARD32 +#if FB_SHIFT == 6 +#define BITS2 FbBits +#endif + +#include "fbbits.h" + +#undef BRESSOLID +#undef BRESDASH +#undef DOTS +#undef ARC +#undef GLYPH +#undef POLYLINE +#undef POLYSEGMENT +#undef BITS +#if FB_SHIFT == 6 +#undef BITS2 +#endif diff --git a/xorg-server/fb/fbblt.c b/xorg-server/fb/fbblt.c index 6b5327080..680940467 100644 --- a/xorg-server/fb/fbblt.c +++ b/xorg-server/fb/fbblt.c @@ -1,948 +1,948 @@ -/*
- * 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 <string.h>
-#include "fb.h"
-
-#define InitializeShifts(sx,dx,ls,rs) { \
- if (sx != dx) { \
- if (sx > dx) { \
- ls = sx - dx; \
- rs = FB_UNIT - ls; \
- } else { \
- rs = dx - sx; \
- ls = FB_UNIT - rs; \
- } \
- } \
-}
-
-void
-fbBlt (FbBits *srcLine,
- FbStride srcStride,
- int srcX,
-
- FbBits *dstLine,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- int alu,
- FbBits pm,
- int bpp,
-
- Bool reverse,
- Bool upsidedown)
-{
- FbBits *src, *dst;
- int leftShift, rightShift;
- FbBits startmask, endmask;
- FbBits bits, bits1;
- int n, nmiddle;
- Bool destInvarient;
- int startbyte, endbyte;
- int careful;
- FbDeclareMergeRop ();
-
- if (bpp == 24 && !FbCheck24Pix (pm))
- {
- fbBlt24 (srcLine, srcStride, srcX, dstLine, dstStride, dstX,
- width, height, alu, pm, reverse, upsidedown);
- return;
- }
-
- careful = !((srcLine < dstLine && srcLine + width * (bpp>>3) > dstLine) ||
- (dstLine < srcLine && dstLine + width * (bpp>>3) > srcLine)) ||
- (bpp & 7);
-
- if (alu == GXcopy && pm == FB_ALLONES && !careful &&
- !(srcX & 7) && !(dstX & 7) && !(width & 7)) {
- int i;
- CARD8 *src = (CARD8 *) srcLine;
- CARD8 *dst = (CARD8 *) dstLine;
-
- srcStride *= sizeof(FbBits);
- dstStride *= sizeof(FbBits);
- width >>= 3;
- src += (srcX >> 3);
- dst += (dstX >> 3);
-
- if (!upsidedown)
- for (i = 0; i < height; i++)
- MEMCPY_WRAPPED(dst + i * dstStride, src + i * srcStride, width);
- else
- for (i = height - 1; i >= 0; i--)
- MEMCPY_WRAPPED(dst + i * dstStride, src + i * srcStride, width);
-
- return;
- }
-
- FbInitializeMergeRop(alu, pm);
- destInvarient = FbDestInvarientMergeRop();
- if (upsidedown)
- {
- srcLine += (height - 1) * (srcStride);
- dstLine += (height - 1) * (dstStride);
- srcStride = -srcStride;
- dstStride = -dstStride;
- }
- FbMaskBitsBytes (dstX, width, destInvarient, startmask, startbyte,
- nmiddle, endmask, endbyte);
- if (reverse)
- {
- srcLine += ((srcX + width - 1) >> FB_SHIFT) + 1;
- dstLine += ((dstX + width - 1) >> FB_SHIFT) + 1;
- srcX = (srcX + width - 1) & FB_MASK;
- dstX = (dstX + width - 1) & FB_MASK;
- }
- else
- {
- srcLine += srcX >> FB_SHIFT;
- dstLine += dstX >> FB_SHIFT;
- srcX &= FB_MASK;
- dstX &= FB_MASK;
- }
- if (srcX == dstX)
- {
- while (height--)
- {
- src = srcLine;
- srcLine += srcStride;
- dst = dstLine;
- dstLine += dstStride;
- if (reverse)
- {
- if (endmask)
- {
- bits = READ(--src);
- --dst;
- FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask);
- }
- n = nmiddle;
- if (destInvarient)
- {
- while (n--)
- WRITE(--dst, FbDoDestInvarientMergeRop(READ(--src)));
- }
- else
- {
- while (n--)
- {
- bits = READ(--src);
- --dst;
- WRITE(dst, FbDoMergeRop (bits, READ(dst)));
- }
- }
- if (startmask)
- {
- bits = READ(--src);
- --dst;
- FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask);
- }
- }
- else
- {
- if (startmask)
- {
- bits = READ(src++);
- FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask);
- dst++;
- }
- n = nmiddle;
- if (destInvarient)
- {
-#if 0
- /*
- * This provides some speedup on screen->screen blts
- * over the PCI bus, usually about 10%. But fb
- * isn't usually used for this operation...
- */
- if (_ca2 + 1 == 0 && _cx2 == 0)
- {
- FbBits t1, t2, t3, t4;
- while (n >= 4)
- {
- t1 = *src++;
- t2 = *src++;
- t3 = *src++;
- t4 = *src++;
- *dst++ = t1;
- *dst++ = t2;
- *dst++ = t3;
- *dst++ = t4;
- n -= 4;
- }
- }
-#endif
- while (n--)
- WRITE(dst++, FbDoDestInvarientMergeRop(READ(src++)));
- }
- else
- {
- while (n--)
- {
- bits = READ(src++);
- WRITE(dst, FbDoMergeRop (bits, READ(dst)));
- dst++;
- }
- }
- if (endmask)
- {
- bits = READ(src);
- FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask);
- }
- }
- }
- }
- else
- {
- if (srcX > dstX)
- {
- leftShift = srcX - dstX;
- rightShift = FB_UNIT - leftShift;
- }
- else
- {
- rightShift = dstX - srcX;
- leftShift = FB_UNIT - rightShift;
- }
- while (height--)
- {
- src = srcLine;
- srcLine += srcStride;
- dst = dstLine;
- dstLine += dstStride;
-
- bits1 = 0;
- if (reverse)
- {
- if (srcX < dstX)
- bits1 = READ(--src);
- if (endmask)
- {
- bits = FbScrRight(bits1, rightShift);
- if (FbScrRight(endmask, leftShift))
- {
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- }
- --dst;
- FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask);
- }
- n = nmiddle;
- if (destInvarient)
- {
- while (n--)
- {
- bits = FbScrRight(bits1, rightShift);
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- --dst;
- WRITE(dst, FbDoDestInvarientMergeRop(bits));
- }
- }
- else
- {
- while (n--)
- {
- bits = FbScrRight(bits1, rightShift);
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- --dst;
- WRITE(dst, FbDoMergeRop(bits, READ(dst)));
- }
- }
- if (startmask)
- {
- bits = FbScrRight(bits1, rightShift);
- if (FbScrRight(startmask, leftShift))
- {
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- }
- --dst;
- FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask);
- }
- }
- else
- {
- if (srcX > dstX)
- bits1 = READ(src++);
- if (startmask)
- {
- bits = FbScrLeft(bits1, leftShift);
- if (FbScrLeft(startmask, rightShift))
- {
- bits1 = READ(src++);
- bits |= FbScrRight(bits1, rightShift);
- }
- FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask);
- dst++;
- }
- n = nmiddle;
- if (destInvarient)
- {
- while (n--)
- {
- bits = FbScrLeft(bits1, leftShift);
- bits1 = READ(src++);
- bits |= FbScrRight(bits1, rightShift);
- WRITE(dst, FbDoDestInvarientMergeRop(bits));
- dst++;
- }
- }
- else
- {
- while (n--)
- {
- bits = FbScrLeft(bits1, leftShift);
- bits1 = READ(src++);
- bits |= FbScrRight(bits1, rightShift);
- WRITE(dst, FbDoMergeRop(bits, READ(dst)));
- dst++;
- }
- }
- if (endmask)
- {
- bits = FbScrLeft(bits1, leftShift);
- if (FbScrLeft(endmask, rightShift))
- {
- bits1 = READ(src);
- bits |= FbScrRight(bits1, rightShift);
- }
- FbDoRightMaskByteMergeRop (dst, bits, endbyte, endmask);
- }
- }
- }
- }
-}
-
-
-#undef DEBUG_BLT24
-#ifdef DEBUG_BLT24
-
-static unsigned long
-getPixel (char *src, int x)
-{
- unsigned long l;
-
- l = 0;
- memcpy (&l, src + x * 3, 3);
- return l;
-}
-#endif
-
-static void
-fbBlt24Line (FbBits *src,
- int srcX,
-
- FbBits *dst,
- int dstX,
-
- int width,
-
- int alu,
- FbBits pm,
-
- Bool reverse)
-{
-#ifdef DEBUG_BLT24
- char *origDst = (char *) dst;
- FbBits *origLine = dst + ((dstX >> FB_SHIFT) - 1);
- int origNlw = ((width + FB_MASK) >> FB_SHIFT) + 3;
- int origX = dstX / 24;
-#endif
-
- int leftShift, rightShift;
- FbBits startmask, endmask;
- int n;
-
- FbBits bits, bits1;
- FbBits mask;
-
- int rot;
- FbDeclareMergeRop ();
-
- FbInitializeMergeRop (alu, FB_ALLONES);
- FbMaskBits(dstX, width, startmask, n, endmask);
-#ifdef DEBUG_BLT24
- ErrorF ("dstX %d width %d reverse %d\n", dstX, width, reverse);
-#endif
- if (reverse)
- {
- src += ((srcX + width - 1) >> FB_SHIFT) + 1;
- dst += ((dstX + width - 1) >> FB_SHIFT) + 1;
- rot = FbFirst24Rot (((dstX + width - 8) & FB_MASK));
- rot = FbPrev24Rot(rot);
-#ifdef DEBUG_BLT24
- ErrorF ("dstX + width - 8: %d rot: %d\n", (dstX + width - 8) & FB_MASK, rot);
-#endif
- srcX = (srcX + width - 1) & FB_MASK;
- dstX = (dstX + width - 1) & FB_MASK;
- }
- else
- {
- src += srcX >> FB_SHIFT;
- dst += dstX >> FB_SHIFT;
- srcX &= FB_MASK;
- dstX &= FB_MASK;
- rot = FbFirst24Rot (dstX);
-#ifdef DEBUG_BLT24
- ErrorF ("dstX: %d rot: %d\n", dstX, rot);
-#endif
- }
- mask = FbRot24(pm,rot);
-#ifdef DEBUG_BLT24
- ErrorF ("pm 0x%x mask 0x%x\n", pm, mask);
-#endif
- if (srcX == dstX)
- {
- if (reverse)
- {
- if (endmask)
- {
- bits = READ(--src);
- --dst;
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask));
- mask = FbPrev24Pix (mask);
- }
- while (n--)
- {
- bits = READ(--src);
- --dst;
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask));
- mask = FbPrev24Pix (mask);
- }
- if (startmask)
- {
- bits = READ(--src);
- --dst;
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask & startmask));
- }
- }
- else
- {
- if (startmask)
- {
- bits = READ(src++);
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask));
- dst++;
- mask = FbNext24Pix(mask);
- }
- while (n--)
- {
- bits = READ(src++);
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask));
- dst++;
- mask = FbNext24Pix(mask);
- }
- if (endmask)
- {
- bits = READ(src);
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask & endmask));
- }
- }
- }
- else
- {
- if (srcX > dstX)
- {
- leftShift = srcX - dstX;
- rightShift = FB_UNIT - leftShift;
- }
- else
- {
- rightShift = dstX - srcX;
- leftShift = FB_UNIT - rightShift;
- }
-
- bits1 = 0;
- if (reverse)
- {
- if (srcX < dstX)
- bits1 = READ(--src);
- if (endmask)
- {
- bits = FbScrRight(bits1, rightShift);
- if (FbScrRight(endmask, leftShift))
- {
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- }
- --dst;
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask));
- mask = FbPrev24Pix(mask);
- }
- while (n--)
- {
- bits = FbScrRight(bits1, rightShift);
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- --dst;
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask));
- mask = FbPrev24Pix(mask);
- }
- if (startmask)
- {
- bits = FbScrRight(bits1, rightShift);
- if (FbScrRight(startmask, leftShift))
- {
- bits1 = READ(--src);
- bits |= FbScrLeft(bits1, leftShift);
- }
- --dst;
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask));
- }
- }
- else
- {
- if (srcX > dstX)
- bits1 = READ(src++);
- if (startmask)
- {
- bits = FbScrLeft(bits1, leftShift);
- bits1 = READ(src++);
- bits |= FbScrRight(bits1, rightShift);
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask));
- dst++;
- mask = FbNext24Pix(mask);
- }
- while (n--)
- {
- bits = FbScrLeft(bits1, leftShift);
- bits1 = READ(src++);
- bits |= FbScrRight(bits1, rightShift);
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask));
- dst++;
- mask = FbNext24Pix(mask);
- }
- if (endmask)
- {
- bits = FbScrLeft(bits1, leftShift);
- if (FbScrLeft(endmask, rightShift))
- {
- bits1 = READ(src);
- bits |= FbScrRight(bits1, rightShift);
- }
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask));
- }
- }
- }
-#ifdef DEBUG_BLT24
- {
- int firstx, lastx, x;
-
- firstx = origX;
- if (firstx)
- firstx--;
- lastx = origX + width/24 + 1;
- for (x = firstx; x <= lastx; x++)
- ErrorF ("%06x ", getPixel (origDst, x));
- ErrorF ("\n");
- while (origNlw--)
- ErrorF ("%08x ", *origLine++);
- ErrorF ("\n");
- }
-#endif
-}
-
-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)
-{
- if (upsidedown)
- {
- srcLine += (height-1) * srcStride;
- dstLine += (height-1) * dstStride;
- srcStride = -srcStride;
- dstStride = -dstStride;
- }
- while (height--)
- {
- fbBlt24Line (srcLine, srcX, dstLine, dstX, width, alu, pm, reverse);
- srcLine += srcStride;
- dstLine += dstStride;
- }
-#ifdef DEBUG_BLT24
- ErrorF ("\n");
-#endif
-}
-
-#if FB_SHIFT == FB_STIP_SHIFT + 1
-
-/*
- * Could be generalized to FB_SHIFT > FB_STIP_SHIFT + 1 by
- * creating an ring of values stepped through for each line
- */
-
-void
-fbBltOdd (FbBits *srcLine,
- FbStride srcStrideEven,
- FbStride srcStrideOdd,
- int srcXEven,
- int srcXOdd,
-
- FbBits *dstLine,
- FbStride dstStrideEven,
- FbStride dstStrideOdd,
- int dstXEven,
- int dstXOdd,
-
- int width,
- int height,
-
- int alu,
- FbBits pm,
- int bpp)
-{
- FbBits *src;
- int leftShiftEven, rightShiftEven;
- FbBits startmaskEven, endmaskEven;
- int nmiddleEven;
-
- FbBits *dst;
- int leftShiftOdd, rightShiftOdd;
- FbBits startmaskOdd, endmaskOdd;
- int nmiddleOdd;
-
- int leftShift, rightShift;
- FbBits startmask, endmask;
- int nmiddle;
-
- int srcX, dstX;
-
- FbBits bits, bits1;
- int n;
-
- Bool destInvarient;
- Bool even;
- FbDeclareMergeRop ();
-
- FbInitializeMergeRop (alu, pm);
- destInvarient = FbDestInvarientMergeRop();
-
- srcLine += srcXEven >> FB_SHIFT;
- dstLine += dstXEven >> FB_SHIFT;
- srcXEven &= FB_MASK;
- dstXEven &= FB_MASK;
- srcXOdd &= FB_MASK;
- dstXOdd &= FB_MASK;
-
- FbMaskBits(dstXEven, width, startmaskEven, nmiddleEven, endmaskEven);
- FbMaskBits(dstXOdd, width, startmaskOdd, nmiddleOdd, endmaskOdd);
-
- even = TRUE;
- InitializeShifts(srcXEven, dstXEven, leftShiftEven, rightShiftEven);
- InitializeShifts(srcXOdd, dstXOdd, leftShiftOdd, rightShiftOdd);
- while (height--)
- {
- src = srcLine;
- dst = dstLine;
- if (even)
- {
- srcX = srcXEven;
- dstX = dstXEven;
- startmask = startmaskEven;
- endmask = endmaskEven;
- nmiddle = nmiddleEven;
- leftShift = leftShiftEven;
- rightShift = rightShiftEven;
- srcLine += srcStrideEven;
- dstLine += dstStrideEven;
- even = FALSE;
- }
- else
- {
- srcX = srcXOdd;
- dstX = dstXOdd;
- startmask = startmaskOdd;
- endmask = endmaskOdd;
- nmiddle = nmiddleOdd;
- leftShift = leftShiftOdd;
- rightShift = rightShiftOdd;
- srcLine += srcStrideOdd;
- dstLine += dstStrideOdd;
- even = TRUE;
- }
- if (srcX == dstX)
- {
- if (startmask)
- {
- bits = READ(src++);
- WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), startmask));
- dst++;
- }
- n = nmiddle;
- if (destInvarient)
- {
- while (n--)
- {
- bits = READ(src++);
- WRITE(dst, FbDoDestInvarientMergeRop(bits));
- dst++;
- }
- }
- else
- {
- while (n--)
- {
- bits = READ(src++);
- WRITE(dst, FbDoMergeRop (bits, READ(dst)));
- dst++;
- }
- }
- if (endmask)
- {
- bits = READ(src);
- WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), endmask));
- }
- }
- else
- {
- bits = 0;
- if (srcX > dstX)
- bits = READ(src++);
- if (startmask)
- {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoMaskMergeRop (bits1, READ(dst), startmask));
- dst++;
- }
- n = nmiddle;
- if (destInvarient)
- {
- while (n--)
- {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoDestInvarientMergeRop(bits1));
- dst++;
- }
- }
- else
- {
- while (n--)
- {
- bits1 = FbScrLeft(bits, leftShift);
- bits = READ(src++);
- bits1 |= FbScrRight(bits, rightShift);
- WRITE(dst, FbDoMergeRop(bits1, READ(dst)));
- dst++;
- }
- }
- if (endmask)
- {
- bits1 = FbScrLeft(bits, leftShift);
- if (FbScrLeft(endmask, rightShift))
- {
- bits = READ(src);
- bits1 |= FbScrRight(bits, rightShift);
- }
- WRITE(dst, FbDoMaskMergeRop (bits1, READ(dst), endmask));
- }
- }
- }
-}
-
-void
-fbBltOdd24 (FbBits *srcLine,
- FbStride srcStrideEven,
- FbStride srcStrideOdd,
- int srcXEven,
- int srcXOdd,
-
- FbBits *dstLine,
- FbStride dstStrideEven,
- FbStride dstStrideOdd,
- int dstXEven,
- int dstXOdd,
-
- int width,
- int height,
-
- int alu,
- FbBits pm)
-{
- Bool even = TRUE;
-
- while (height--)
- {
- if (even)
- {
- fbBlt24Line (srcLine, srcXEven, dstLine, dstXEven,
- width, alu, pm, FALSE);
- srcLine += srcStrideEven;
- dstLine += dstStrideEven;
- even = FALSE;
- }
- else
- {
- fbBlt24Line (srcLine, srcXOdd, dstLine, dstXOdd,
- width, alu, pm, FALSE);
- srcLine += srcStrideOdd;
- dstLine += dstStrideOdd;
- even = TRUE;
- }
- }
-}
-
-#endif
-
-#if FB_STIP_SHIFT != FB_SHIFT
-void
-fbSetBltOdd (FbStip *stip,
- FbStride stipStride,
- int srcX,
- FbBits **bits,
- FbStride *strideEven,
- FbStride *strideOdd,
- int *srcXEven,
- int *srcXOdd)
-{
- int srcAdjust;
- int strideAdjust;
-
- /*
- * bytes needed to align source
- */
- srcAdjust = (((int) stip) & (FB_MASK >> 3));
- /*
- * FbStip units needed to align stride
- */
- strideAdjust = stipStride & (FB_MASK >> FB_STIP_SHIFT);
-
- *bits = (FbBits *) ((char *) stip - srcAdjust);
- if (srcAdjust)
- {
- *strideEven = FbStipStrideToBitsStride (stipStride + 1);
- *strideOdd = FbStipStrideToBitsStride (stipStride);
-
- *srcXEven = srcX + (srcAdjust << 3);
- *srcXOdd = srcX + (srcAdjust << 3) - (strideAdjust << FB_STIP_SHIFT);
- }
- else
- {
- *strideEven = FbStipStrideToBitsStride (stipStride);
- *strideOdd = FbStipStrideToBitsStride (stipStride + 1);
-
- *srcXEven = srcX;
- *srcXOdd = srcX + (strideAdjust << FB_STIP_SHIFT);
- }
-}
-#endif
-
-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)
-{
-#if FB_STIP_SHIFT != FB_SHIFT
- if (FB_STIP_ODDSTRIDE(srcStride) || FB_STIP_ODDPTR(src) ||
- FB_STIP_ODDSTRIDE(dstStride) || FB_STIP_ODDPTR(dst))
- {
- FbStride srcStrideEven, srcStrideOdd;
- FbStride dstStrideEven, dstStrideOdd;
- int srcXEven, srcXOdd;
- int dstXEven, dstXOdd;
- FbBits *s, *d;
- int sx, dx;
-
- src += srcX >> FB_STIP_SHIFT;
- srcX &= FB_STIP_MASK;
- dst += dstX >> FB_STIP_SHIFT;
- dstX &= FB_STIP_MASK;
-
- fbSetBltOdd (src, srcStride, srcX,
- &s,
- &srcStrideEven, &srcStrideOdd,
- &srcXEven, &srcXOdd);
-
- fbSetBltOdd (dst, dstStride, dstX,
- &d,
- &dstStrideEven, &dstStrideOdd,
- &dstXEven, &dstXOdd);
-
- if (bpp == 24 && !FbCheck24Pix (pm))
- {
- fbBltOdd24 (s, srcStrideEven, srcStrideOdd,
- srcXEven, srcXOdd,
-
- d, dstStrideEven, dstStrideOdd,
- dstXEven, dstXOdd,
-
- width, height, alu, pm);
- }
- else
- {
- fbBltOdd (s, srcStrideEven, srcStrideOdd,
- srcXEven, srcXOdd,
-
- d, dstStrideEven, dstStrideOdd,
- dstXEven, dstXOdd,
-
- width, height, alu, pm, bpp);
- }
- }
- else
-#endif
- {
- fbBlt ((FbBits *) src, FbStipStrideToBitsStride (srcStride),
- srcX,
- (FbBits *) dst, FbStipStrideToBitsStride (dstStride),
- dstX,
- width, height,
- alu, pm, bpp, FALSE, FALSE);
- }
-}
+/* + * 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 <string.h> +#include "fb.h" + +#define InitializeShifts(sx,dx,ls,rs) { \ + if (sx != dx) { \ + if (sx > dx) { \ + ls = sx - dx; \ + rs = FB_UNIT - ls; \ + } else { \ + rs = dx - sx; \ + ls = FB_UNIT - rs; \ + } \ + } \ +} + +void +fbBlt (FbBits *srcLine, + FbStride srcStride, + int srcX, + + FbBits *dstLine, + FbStride dstStride, + int dstX, + + int width, + int height, + + int alu, + FbBits pm, + int bpp, + + Bool reverse, + Bool upsidedown) +{ + FbBits *src, *dst; + int leftShift, rightShift; + FbBits startmask, endmask; + FbBits bits, bits1; + int n, nmiddle; + Bool destInvarient; + int startbyte, endbyte; + int careful; + FbDeclareMergeRop (); + + if (bpp == 24 && !FbCheck24Pix (pm)) + { + fbBlt24 (srcLine, srcStride, srcX, dstLine, dstStride, dstX, + width, height, alu, pm, reverse, upsidedown); + return; + } + + careful = !((srcLine < dstLine && srcLine + width * (bpp>>3) > dstLine) || + (dstLine < srcLine && dstLine + width * (bpp>>3) > srcLine)) || + (bpp & 7); + + if (alu == GXcopy && pm == FB_ALLONES && !careful && + !(srcX & 7) && !(dstX & 7) && !(width & 7)) { + int i; + CARD8 *src = (CARD8 *) srcLine; + CARD8 *dst = (CARD8 *) dstLine; + + srcStride *= sizeof(FbBits); + dstStride *= sizeof(FbBits); + width >>= 3; + src += (srcX >> 3); + dst += (dstX >> 3); + + if (!upsidedown) + for (i = 0; i < height; i++) + MEMCPY_WRAPPED(dst + i * dstStride, src + i * srcStride, width); + else + for (i = height - 1; i >= 0; i--) + MEMCPY_WRAPPED(dst + i * dstStride, src + i * srcStride, width); + + return; + } + + FbInitializeMergeRop(alu, pm); + destInvarient = FbDestInvarientMergeRop(); + if (upsidedown) + { + srcLine += (height - 1) * (srcStride); + dstLine += (height - 1) * (dstStride); + srcStride = -srcStride; + dstStride = -dstStride; + } + FbMaskBitsBytes (dstX, width, destInvarient, startmask, startbyte, + nmiddle, endmask, endbyte); + if (reverse) + { + srcLine += ((srcX + width - 1) >> FB_SHIFT) + 1; + dstLine += ((dstX + width - 1) >> FB_SHIFT) + 1; + srcX = (srcX + width - 1) & FB_MASK; + dstX = (dstX + width - 1) & FB_MASK; + } + else + { + srcLine += srcX >> FB_SHIFT; + dstLine += dstX >> FB_SHIFT; + srcX &= FB_MASK; + dstX &= FB_MASK; + } + if (srcX == dstX) + { + while (height--) + { + src = srcLine; + srcLine += srcStride; + dst = dstLine; + dstLine += dstStride; + if (reverse) + { + if (endmask) + { + bits = READ(--src); + --dst; + FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); + } + n = nmiddle; + if (destInvarient) + { + while (n--) + WRITE(--dst, FbDoDestInvarientMergeRop(READ(--src))); + } + else + { + while (n--) + { + bits = READ(--src); + --dst; + WRITE(dst, FbDoMergeRop (bits, READ(dst))); + } + } + if (startmask) + { + bits = READ(--src); + --dst; + FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask); + } + } + else + { + if (startmask) + { + bits = READ(src++); + FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask); + dst++; + } + n = nmiddle; + if (destInvarient) + { +#if 0 + /* + * This provides some speedup on screen->screen blts + * over the PCI bus, usually about 10%. But fb + * isn't usually used for this operation... + */ + if (_ca2 + 1 == 0 && _cx2 == 0) + { + FbBits t1, t2, t3, t4; + while (n >= 4) + { + t1 = *src++; + t2 = *src++; + t3 = *src++; + t4 = *src++; + *dst++ = t1; + *dst++ = t2; + *dst++ = t3; + *dst++ = t4; + n -= 4; + } + } +#endif + while (n--) + WRITE(dst++, FbDoDestInvarientMergeRop(READ(src++))); + } + else + { + while (n--) + { + bits = READ(src++); + WRITE(dst, FbDoMergeRop (bits, READ(dst))); + dst++; + } + } + if (endmask) + { + bits = READ(src); + FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); + } + } + } + } + else + { + if (srcX > dstX) + { + leftShift = srcX - dstX; + rightShift = FB_UNIT - leftShift; + } + else + { + rightShift = dstX - srcX; + leftShift = FB_UNIT - rightShift; + } + while (height--) + { + src = srcLine; + srcLine += srcStride; + dst = dstLine; + dstLine += dstStride; + + bits1 = 0; + if (reverse) + { + if (srcX < dstX) + bits1 = READ(--src); + if (endmask) + { + bits = FbScrRight(bits1, rightShift); + if (FbScrRight(endmask, leftShift)) + { + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + } + --dst; + FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); + } + n = nmiddle; + if (destInvarient) + { + while (n--) + { + bits = FbScrRight(bits1, rightShift); + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + --dst; + WRITE(dst, FbDoDestInvarientMergeRop(bits)); + } + } + else + { + while (n--) + { + bits = FbScrRight(bits1, rightShift); + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + --dst; + WRITE(dst, FbDoMergeRop(bits, READ(dst))); + } + } + if (startmask) + { + bits = FbScrRight(bits1, rightShift); + if (FbScrRight(startmask, leftShift)) + { + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + } + --dst; + FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask); + } + } + else + { + if (srcX > dstX) + bits1 = READ(src++); + if (startmask) + { + bits = FbScrLeft(bits1, leftShift); + if (FbScrLeft(startmask, rightShift)) + { + bits1 = READ(src++); + bits |= FbScrRight(bits1, rightShift); + } + FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask); + dst++; + } + n = nmiddle; + if (destInvarient) + { + while (n--) + { + bits = FbScrLeft(bits1, leftShift); + bits1 = READ(src++); + bits |= FbScrRight(bits1, rightShift); + WRITE(dst, FbDoDestInvarientMergeRop(bits)); + dst++; + } + } + else + { + while (n--) + { + bits = FbScrLeft(bits1, leftShift); + bits1 = READ(src++); + bits |= FbScrRight(bits1, rightShift); + WRITE(dst, FbDoMergeRop(bits, READ(dst))); + dst++; + } + } + if (endmask) + { + bits = FbScrLeft(bits1, leftShift); + if (FbScrLeft(endmask, rightShift)) + { + bits1 = READ(src); + bits |= FbScrRight(bits1, rightShift); + } + FbDoRightMaskByteMergeRop (dst, bits, endbyte, endmask); + } + } + } + } +} + + +#undef DEBUG_BLT24 +#ifdef DEBUG_BLT24 + +static unsigned long +getPixel (char *src, int x) +{ + unsigned long l; + + l = 0; + memcpy (&l, src + x * 3, 3); + return l; +} +#endif + +static void +fbBlt24Line (FbBits *src, + int srcX, + + FbBits *dst, + int dstX, + + int width, + + int alu, + FbBits pm, + + Bool reverse) +{ +#ifdef DEBUG_BLT24 + char *origDst = (char *) dst; + FbBits *origLine = dst + ((dstX >> FB_SHIFT) - 1); + int origNlw = ((width + FB_MASK) >> FB_SHIFT) + 3; + int origX = dstX / 24; +#endif + + int leftShift, rightShift; + FbBits startmask, endmask; + int n; + + FbBits bits, bits1; + FbBits mask; + + int rot; + FbDeclareMergeRop (); + + FbInitializeMergeRop (alu, FB_ALLONES); + FbMaskBits(dstX, width, startmask, n, endmask); +#ifdef DEBUG_BLT24 + ErrorF ("dstX %d width %d reverse %d\n", dstX, width, reverse); +#endif + if (reverse) + { + src += ((srcX + width - 1) >> FB_SHIFT) + 1; + dst += ((dstX + width - 1) >> FB_SHIFT) + 1; + rot = FbFirst24Rot (((dstX + width - 8) & FB_MASK)); + rot = FbPrev24Rot(rot); +#ifdef DEBUG_BLT24 + ErrorF ("dstX + width - 8: %d rot: %d\n", (dstX + width - 8) & FB_MASK, rot); +#endif + srcX = (srcX + width - 1) & FB_MASK; + dstX = (dstX + width - 1) & FB_MASK; + } + else + { + src += srcX >> FB_SHIFT; + dst += dstX >> FB_SHIFT; + srcX &= FB_MASK; + dstX &= FB_MASK; + rot = FbFirst24Rot (dstX); +#ifdef DEBUG_BLT24 + ErrorF ("dstX: %d rot: %d\n", dstX, rot); +#endif + } + mask = FbRot24(pm,rot); +#ifdef DEBUG_BLT24 + ErrorF ("pm 0x%x mask 0x%x\n", pm, mask); +#endif + if (srcX == dstX) + { + if (reverse) + { + if (endmask) + { + bits = READ(--src); + --dst; + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask)); + mask = FbPrev24Pix (mask); + } + while (n--) + { + bits = READ(--src); + --dst; + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask)); + mask = FbPrev24Pix (mask); + } + if (startmask) + { + bits = READ(--src); + --dst; + WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask & startmask)); + } + } + else + { + if (startmask) + { + bits = READ(src++); + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask)); + dst++; + mask = FbNext24Pix(mask); + } + while (n--) + { + bits = READ(src++); + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask)); + dst++; + mask = FbNext24Pix(mask); + } + if (endmask) + { + bits = READ(src); + WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask & endmask)); + } + } + } + else + { + if (srcX > dstX) + { + leftShift = srcX - dstX; + rightShift = FB_UNIT - leftShift; + } + else + { + rightShift = dstX - srcX; + leftShift = FB_UNIT - rightShift; + } + + bits1 = 0; + if (reverse) + { + if (srcX < dstX) + bits1 = READ(--src); + if (endmask) + { + bits = FbScrRight(bits1, rightShift); + if (FbScrRight(endmask, leftShift)) + { + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + } + --dst; + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask)); + mask = FbPrev24Pix(mask); + } + while (n--) + { + bits = FbScrRight(bits1, rightShift); + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + --dst; + WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask)); + mask = FbPrev24Pix(mask); + } + if (startmask) + { + bits = FbScrRight(bits1, rightShift); + if (FbScrRight(startmask, leftShift)) + { + bits1 = READ(--src); + bits |= FbScrLeft(bits1, leftShift); + } + --dst; + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask)); + } + } + else + { + if (srcX > dstX) + bits1 = READ(src++); + if (startmask) + { + bits = FbScrLeft(bits1, leftShift); + bits1 = READ(src++); + bits |= FbScrRight(bits1, rightShift); + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & startmask)); + dst++; + mask = FbNext24Pix(mask); + } + while (n--) + { + bits = FbScrLeft(bits1, leftShift); + bits1 = READ(src++); + bits |= FbScrRight(bits1, rightShift); + WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), mask)); + dst++; + mask = FbNext24Pix(mask); + } + if (endmask) + { + bits = FbScrLeft(bits1, leftShift); + if (FbScrLeft(endmask, rightShift)) + { + bits1 = READ(src); + bits |= FbScrRight(bits1, rightShift); + } + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), mask & endmask)); + } + } + } +#ifdef DEBUG_BLT24 + { + int firstx, lastx, x; + + firstx = origX; + if (firstx) + firstx--; + lastx = origX + width/24 + 1; + for (x = firstx; x <= lastx; x++) + ErrorF ("%06x ", getPixel (origDst, x)); + ErrorF ("\n"); + while (origNlw--) + ErrorF ("%08x ", *origLine++); + ErrorF ("\n"); + } +#endif +} + +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) +{ + if (upsidedown) + { + srcLine += (height-1) * srcStride; + dstLine += (height-1) * dstStride; + srcStride = -srcStride; + dstStride = -dstStride; + } + while (height--) + { + fbBlt24Line (srcLine, srcX, dstLine, dstX, width, alu, pm, reverse); + srcLine += srcStride; + dstLine += dstStride; + } +#ifdef DEBUG_BLT24 + ErrorF ("\n"); +#endif +} + +#if FB_SHIFT == FB_STIP_SHIFT + 1 + +/* + * Could be generalized to FB_SHIFT > FB_STIP_SHIFT + 1 by + * creating an ring of values stepped through for each line + */ + +void +fbBltOdd (FbBits *srcLine, + FbStride srcStrideEven, + FbStride srcStrideOdd, + int srcXEven, + int srcXOdd, + + FbBits *dstLine, + FbStride dstStrideEven, + FbStride dstStrideOdd, + int dstXEven, + int dstXOdd, + + int width, + int height, + + int alu, + FbBits pm, + int bpp) +{ + FbBits *src; + int leftShiftEven, rightShiftEven; + FbBits startmaskEven, endmaskEven; + int nmiddleEven; + + FbBits *dst; + int leftShiftOdd, rightShiftOdd; + FbBits startmaskOdd, endmaskOdd; + int nmiddleOdd; + + int leftShift, rightShift; + FbBits startmask, endmask; + int nmiddle; + + int srcX, dstX; + + FbBits bits, bits1; + int n; + + Bool destInvarient; + Bool even; + FbDeclareMergeRop (); + + FbInitializeMergeRop (alu, pm); + destInvarient = FbDestInvarientMergeRop(); + + srcLine += srcXEven >> FB_SHIFT; + dstLine += dstXEven >> FB_SHIFT; + srcXEven &= FB_MASK; + dstXEven &= FB_MASK; + srcXOdd &= FB_MASK; + dstXOdd &= FB_MASK; + + FbMaskBits(dstXEven, width, startmaskEven, nmiddleEven, endmaskEven); + FbMaskBits(dstXOdd, width, startmaskOdd, nmiddleOdd, endmaskOdd); + + even = TRUE; + InitializeShifts(srcXEven, dstXEven, leftShiftEven, rightShiftEven); + InitializeShifts(srcXOdd, dstXOdd, leftShiftOdd, rightShiftOdd); + while (height--) + { + src = srcLine; + dst = dstLine; + if (even) + { + srcX = srcXEven; + dstX = dstXEven; + startmask = startmaskEven; + endmask = endmaskEven; + nmiddle = nmiddleEven; + leftShift = leftShiftEven; + rightShift = rightShiftEven; + srcLine += srcStrideEven; + dstLine += dstStrideEven; + even = FALSE; + } + else + { + srcX = srcXOdd; + dstX = dstXOdd; + startmask = startmaskOdd; + endmask = endmaskOdd; + nmiddle = nmiddleOdd; + leftShift = leftShiftOdd; + rightShift = rightShiftOdd; + srcLine += srcStrideOdd; + dstLine += dstStrideOdd; + even = TRUE; + } + if (srcX == dstX) + { + if (startmask) + { + bits = READ(src++); + WRITE(dst, FbDoMaskMergeRop (bits, READ(dst), startmask)); + dst++; + } + n = nmiddle; + if (destInvarient) + { + while (n--) + { + bits = READ(src++); + WRITE(dst, FbDoDestInvarientMergeRop(bits)); + dst++; + } + } + else + { + while (n--) + { + bits = READ(src++); + WRITE(dst, FbDoMergeRop (bits, READ(dst))); + dst++; + } + } + if (endmask) + { + bits = READ(src); + WRITE(dst, FbDoMaskMergeRop(bits, READ(dst), endmask)); + } + } + else + { + bits = 0; + if (srcX > dstX) + bits = READ(src++); + if (startmask) + { + bits1 = FbScrLeft(bits, leftShift); + bits = READ(src++); + bits1 |= FbScrRight(bits, rightShift); + WRITE(dst, FbDoMaskMergeRop (bits1, READ(dst), startmask)); + dst++; + } + n = nmiddle; + if (destInvarient) + { + while (n--) + { + bits1 = FbScrLeft(bits, leftShift); + bits = READ(src++); + bits1 |= FbScrRight(bits, rightShift); + WRITE(dst, FbDoDestInvarientMergeRop(bits1)); + dst++; + } + } + else + { + while (n--) + { + bits1 = FbScrLeft(bits, leftShift); + bits = READ(src++); + bits1 |= FbScrRight(bits, rightShift); + WRITE(dst, FbDoMergeRop(bits1, READ(dst))); + dst++; + } + } + if (endmask) + { + bits1 = FbScrLeft(bits, leftShift); + if (FbScrLeft(endmask, rightShift)) + { + bits = READ(src); + bits1 |= FbScrRight(bits, rightShift); + } + WRITE(dst, FbDoMaskMergeRop (bits1, READ(dst), endmask)); + } + } + } +} + +void +fbBltOdd24 (FbBits *srcLine, + FbStride srcStrideEven, + FbStride srcStrideOdd, + int srcXEven, + int srcXOdd, + + FbBits *dstLine, + FbStride dstStrideEven, + FbStride dstStrideOdd, + int dstXEven, + int dstXOdd, + + int width, + int height, + + int alu, + FbBits pm) +{ + Bool even = TRUE; + + while (height--) + { + if (even) + { + fbBlt24Line (srcLine, srcXEven, dstLine, dstXEven, + width, alu, pm, FALSE); + srcLine += srcStrideEven; + dstLine += dstStrideEven; + even = FALSE; + } + else + { + fbBlt24Line (srcLine, srcXOdd, dstLine, dstXOdd, + width, alu, pm, FALSE); + srcLine += srcStrideOdd; + dstLine += dstStrideOdd; + even = TRUE; + } + } +} + +#endif + +#if FB_STIP_SHIFT != FB_SHIFT +void +fbSetBltOdd (FbStip *stip, + FbStride stipStride, + int srcX, + FbBits **bits, + FbStride *strideEven, + FbStride *strideOdd, + int *srcXEven, + int *srcXOdd) +{ + int srcAdjust; + int strideAdjust; + + /* + * bytes needed to align source + */ + srcAdjust = (((int) stip) & (FB_MASK >> 3)); + /* + * FbStip units needed to align stride + */ + strideAdjust = stipStride & (FB_MASK >> FB_STIP_SHIFT); + + *bits = (FbBits *) ((char *) stip - srcAdjust); + if (srcAdjust) + { + *strideEven = FbStipStrideToBitsStride (stipStride + 1); + *strideOdd = FbStipStrideToBitsStride (stipStride); + + *srcXEven = srcX + (srcAdjust << 3); + *srcXOdd = srcX + (srcAdjust << 3) - (strideAdjust << FB_STIP_SHIFT); + } + else + { + *strideEven = FbStipStrideToBitsStride (stipStride); + *strideOdd = FbStipStrideToBitsStride (stipStride + 1); + + *srcXEven = srcX; + *srcXOdd = srcX + (strideAdjust << FB_STIP_SHIFT); + } +} +#endif + +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) +{ +#if FB_STIP_SHIFT != FB_SHIFT + if (FB_STIP_ODDSTRIDE(srcStride) || FB_STIP_ODDPTR(src) || + FB_STIP_ODDSTRIDE(dstStride) || FB_STIP_ODDPTR(dst)) + { + FbStride srcStrideEven, srcStrideOdd; + FbStride dstStrideEven, dstStrideOdd; + int srcXEven, srcXOdd; + int dstXEven, dstXOdd; + FbBits *s, *d; + int sx, dx; + + src += srcX >> FB_STIP_SHIFT; + srcX &= FB_STIP_MASK; + dst += dstX >> FB_STIP_SHIFT; + dstX &= FB_STIP_MASK; + + fbSetBltOdd (src, srcStride, srcX, + &s, + &srcStrideEven, &srcStrideOdd, + &srcXEven, &srcXOdd); + + fbSetBltOdd (dst, dstStride, dstX, + &d, + &dstStrideEven, &dstStrideOdd, + &dstXEven, &dstXOdd); + + if (bpp == 24 && !FbCheck24Pix (pm)) + { + fbBltOdd24 (s, srcStrideEven, srcStrideOdd, + srcXEven, srcXOdd, + + d, dstStrideEven, dstStrideOdd, + dstXEven, dstXOdd, + + width, height, alu, pm); + } + else + { + fbBltOdd (s, srcStrideEven, srcStrideOdd, + srcXEven, srcXOdd, + + d, dstStrideEven, dstStrideOdd, + dstXEven, dstXOdd, + + width, height, alu, pm, bpp); + } + } + else +#endif + { + fbBlt ((FbBits *) src, FbStipStrideToBitsStride (srcStride), + srcX, + (FbBits *) dst, FbStipStrideToBitsStride (dstStride), + dstX, + width, height, + alu, pm, bpp, FALSE, FALSE); + } +} diff --git a/xorg-server/fb/fbbltone.c b/xorg-server/fb/fbbltone.c index e429b1b35..67e7853c6 100644 --- a/xorg-server/fb/fbbltone.c +++ b/xorg-server/fb/fbbltone.c @@ -1,862 +1,862 @@ -/*
- * 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 "fb.h"
-
-#ifdef __clang__
-/* shift overflow is intentional */
-#pragma clang diagnostic ignored "-Wshift-overflow"
-#endif
-
-/*
- * Example: srcX = 13 dstX = 8 (FB unit 32 dstBpp 8)
- *
- * **** **** **** **** **** **** **** ****
- * ^
- * ******** ******** ******** ********
- * ^
- * leftShift = 12
- * rightShift = 20
- *
- * Example: srcX = 0 dstX = 8 (FB unit 32 dstBpp 8)
- *
- * **** **** **** **** **** **** **** ****
- * ^
- * ******** ******** ******** ********
- * ^
- *
- * leftShift = 24
- * rightShift = 8
- */
-
-#define LoadBits {\
- if (leftShift) { \
- bitsRight = (src < srcEnd ? READ(src++) : 0); \
- bits = (FbStipLeft (bitsLeft, leftShift) | \
- FbStipRight(bitsRight, rightShift)); \
- bitsLeft = bitsRight; \
- } else \
- bits = (src < srcEnd ? READ(src++) : 0); \
-}
-
-
-#define LaneCases1(n,a) case n: FbLaneCase(n,a); break
-#define LaneCases2(n,a) LaneCases1(n,a); LaneCases1(n+1,a)
-#define LaneCases4(n,a) LaneCases2(n,a); LaneCases2(n+2,a)
-#define LaneCases8(n,a) LaneCases4(n,a); LaneCases4(n+4,a)
-#define LaneCases16(n,a) LaneCases8(n,a); LaneCases8(n+8,a)
-#define LaneCases32(n,a) LaneCases16(n,a); LaneCases16(n+16,a)
-#define LaneCases64(n,a) LaneCases32(n,a); LaneCases32(n+32,a)
-#define LaneCases128(n,a) LaneCases64(n,a); LaneCases64(n+64,a)
-#define LaneCases256(n,a) LaneCases128(n,a); LaneCases128(n+128,a)
-
-#if FB_SHIFT == 6
-#define LaneCases(a) LaneCases256(0,a)
-#endif
-
-#if FB_SHIFT == 5
-#define LaneCases(a) LaneCases16(0,a)
-#endif
-
-#if FB_SHIFT == 6
-CARD8 fb8Lane[256] = {
-0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
-22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
-41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
-60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78,
-79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
-98, 99, 100, 101, 102,103,104,105,106,107,108,109,110,111,112,113,114,115,
-116, 117, 118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,
-134, 135, 136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,
-152, 153, 154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,
-170, 171, 172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,
-188, 189, 190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,
-206, 207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
-224, 225, 226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,
-242, 243, 244,245,246,247,248,249,250,251,252,253,254,255,
-};
-
-CARD8 fb16Lane[256] = {
- 0x00, 0x03, 0x0c, 0x0f,
- 0x30, 0x33, 0x3c, 0x3f,
- 0xc0, 0xc3, 0xcc, 0xcf,
- 0xf0, 0xf3, 0xfc, 0xff,
-};
-
-CARD8 fb32Lane[16] = {
- 0x00, 0x0f, 0xf0, 0xff,
-};
-#endif
-
-#if FB_SHIFT == 5
-CARD8 fb8Lane[16] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
-};
-
-CARD8 fb16Lane[16] = {
- 0, 3, 12, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-};
-
-CARD8 fb32Lane[16] = {
- 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-};
-#endif
-
-CARD8 *fbLaneTable[33] = {
- 0, 0, 0, 0, 0, 0, 0, 0,
- fb8Lane, 0, 0, 0, 0, 0, 0, 0,
- fb16Lane, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- fb32Lane
-};
-
-void
-fbBltOne (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)
-{
- const FbBits *fbBits;
- FbBits *srcEnd;
- int pixelsPerDst; /* dst pixels per FbBits */
- int unitsPerSrc; /* src patterns per FbStip */
- int leftShift, rightShift; /* align source with dest */
- FbBits startmask, endmask; /* dest scanline masks */
- FbStip bits=0, bitsLeft, bitsRight;/* source bits */
- FbStip left;
- FbBits mask;
- int nDst; /* dest longwords (w.o. end) */
- int w;
- int n, nmiddle;
- int dstS; /* stipple-relative dst X coordinate */
- Bool copy; /* accelerate dest-invariant */
- Bool transparent; /* accelerate 0 nop */
- int srcinc; /* source units consumed */
- Bool endNeedsLoad = FALSE; /* need load for endmask */
- CARD8 *fbLane;
- int startbyte, endbyte;
-
- if (dstBpp == 24)
- {
- fbBltOne24 (src, srcStride, srcX,
- dst, dstStride, dstX, dstBpp,
- width, height,
- fgand, fgxor, bgand, bgxor);
- return;
- }
-
- /*
- * Do not read past the end of the buffer!
- */
- srcEnd = src + height * srcStride;
-
- /*
- * Number of destination units in FbBits == number of stipple pixels
- * used each time
- */
- pixelsPerDst = FB_UNIT / dstBpp;
-
- /*
- * Number of source stipple patterns in FbStip
- */
- unitsPerSrc = FB_STIP_UNIT / pixelsPerDst;
-
- copy = FALSE;
- transparent = FALSE;
- if (bgand == 0 && fgand == 0)
- copy = TRUE;
- else if (bgand == FB_ALLONES && bgxor == 0)
- transparent = TRUE;
-
- /*
- * Adjust source and dest to nearest FbBits boundary
- */
- src += srcX >> FB_STIP_SHIFT;
- dst += dstX >> FB_SHIFT;
- srcX &= FB_STIP_MASK;
- dstX &= FB_MASK;
-
- FbMaskBitsBytes(dstX, width, copy,
- startmask, startbyte, nmiddle, endmask, endbyte);
-
- /*
- * Compute effective dest alignment requirement for
- * source -- must align source to dest unit boundary
- */
- dstS = dstX / dstBpp;
- /*
- * Compute shift constants for effective alignement
- */
- if (srcX >= dstS)
- {
- leftShift = srcX - dstS;
- rightShift = FB_STIP_UNIT - leftShift;
- }
- else
- {
- rightShift = dstS - srcX;
- leftShift = FB_STIP_UNIT - rightShift;
- }
- /*
- * Get pointer to stipple mask array for this depth
- */
- fbBits = 0; /* unused */
- if (pixelsPerDst <= 8)
- fbBits = fbStippleTable[pixelsPerDst];
- fbLane = 0;
- if (transparent && fgand == 0 && dstBpp >= 8)
- fbLane = fbLaneTable[dstBpp];
-
- /*
- * Compute total number of destination words written, but
- * don't count endmask
- */
- nDst = nmiddle;
- if (startmask)
- nDst++;
-
- dstStride -= nDst;
-
- /*
- * Compute total number of source words consumed
- */
-
- srcinc = (nDst + unitsPerSrc - 1) / unitsPerSrc;
-
- if (srcX > dstS)
- srcinc++;
- if (endmask)
- {
- endNeedsLoad = nDst % unitsPerSrc == 0;
- if (endNeedsLoad)
- srcinc++;
- }
-
- srcStride -= srcinc;
-
- /*
- * Copy rectangle
- */
- while (height--)
- {
- w = nDst; /* total units across scanline */
- n = unitsPerSrc; /* units avail in single stipple */
- if (n > w)
- n = w;
-
- bitsLeft = 0;
- if (srcX > dstS)
- bitsLeft = READ(src++);
- if (n)
- {
- /*
- * Load first set of stipple bits
- */
- LoadBits;
-
- /*
- * Consume stipple bits for startmask
- */
- if (startmask)
- {
-#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
-#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- if (fbLane)
- {
- fbTransparentSpan (dst, mask & startmask, fgxor, 1);
- }
- else
- {
- if (mask || !transparent)
- FbDoLeftMaskByteStippleRRop (dst, mask,
- fgand, fgxor, bgand, bgxor,
- startbyte, startmask);
- }
- bits = FbStipLeft (bits, pixelsPerDst);
- dst++;
- n--;
- w--;
- }
- /*
- * Consume stipple bits across scanline
- */
- for (;;)
- {
- w -= n;
- if (copy)
- {
- while (n--)
- {
-#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
-#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- WRITE(dst, FbOpaqueStipple (mask, fgxor, bgxor));
- dst++;
- bits = FbStipLeft(bits, pixelsPerDst);
- }
- }
- else
- {
- if (fbLane)
- {
- while (bits && n)
- {
- switch (fbLane[FbLeftStipBits(bits,pixelsPerDst)]) {
- LaneCases((CARD8 *) dst);
- }
- bits = FbStipLeft(bits,pixelsPerDst);
- dst++;
- n--;
- }
- dst += n;
- }
- else
- {
- while (n--)
- {
- left = FbLeftStipBits(bits,pixelsPerDst);
- if (left || !transparent)
- {
- mask = fbBits[left];
- WRITE(dst, FbStippleRRop (READ(dst), mask,
- fgand, fgxor, bgand, bgxor));
- }
- dst++;
- bits = FbStipLeft(bits, pixelsPerDst);
- }
- }
- }
- if (!w)
- break;
- /*
- * Load another set and reset number of available units
- */
- LoadBits;
- n = unitsPerSrc;
- if (n > w)
- n = w;
- }
- }
- /*
- * Consume stipple bits for endmask
- */
- if (endmask)
- {
- if (endNeedsLoad)
- {
- LoadBits;
- }
-#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
-#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- if (fbLane)
- {
- fbTransparentSpan (dst, mask & endmask, fgxor, 1);
- }
- else
- {
- if (mask || !transparent)
- FbDoRightMaskByteStippleRRop (dst, mask,
- fgand, fgxor, bgand, bgxor,
- endbyte, endmask);
- }
- }
- dst += dstStride;
- src += srcStride;
- }
-}
-
-
-/*
- * Crufty macros to initialize the mask array, most of this
- * is to avoid compile-time warnings about shift overflow
- */
-
-#if BITMAP_BIT_ORDER == MSBFirst
-#define Mask24Pos(x,r) ((x)*24-(r))
-#else
-#define Mask24Pos(x,r) ((x)*24-((r) ? 24 - (r) : 0))
-#endif
-
-#define Mask24Neg(x,r) (Mask24Pos(x,r) < 0 ? -Mask24Pos(x,r) : 0)
-#define Mask24Check(x,r) (Mask24Pos(x,r) < 0 ? 0 : \
- Mask24Pos(x,r) >= FB_UNIT ? 0 : Mask24Pos(x,r))
-
-#define Mask24(x,r) (Mask24Pos(x,r) < FB_UNIT ? \
- (Mask24Pos(x,r) < 0 ? \
- 0xffffffU >> Mask24Neg (x,r) : \
- 0xffffffU << Mask24Check(x,r)) : 0)
-
-#define SelMask24(b,n,r) ((((b) >> n) & 1) * Mask24(n,r))
-
-/*
- * Untested for MSBFirst or FB_UNIT == 32
- */
-
-#if FB_UNIT == 64
-#define C4_24(b,r) \
- (SelMask24(b,0,r) | \
- SelMask24(b,1,r) | \
- SelMask24(b,2,r) | \
- SelMask24(b,3,r))
-
-#define FbStip24New(rot) (2 + (rot != 0))
-#define FbStip24Len 4
-
-const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
- /* rotate 0 */
- {
- C4_24( 0, 0), C4_24( 1, 0), C4_24( 2, 0), C4_24( 3, 0),
- C4_24( 4, 0), C4_24( 5, 0), C4_24( 6, 0), C4_24( 7, 0),
- C4_24( 8, 0), C4_24( 9, 0), C4_24(10, 0), C4_24(11, 0),
- C4_24(12, 0), C4_24(13, 0), C4_24(14, 0), C4_24(15, 0),
- },
- /* rotate 8 */
- {
- C4_24( 0, 8), C4_24( 1, 8), C4_24( 2, 8), C4_24( 3, 8),
- C4_24( 4, 8), C4_24( 5, 8), C4_24( 6, 8), C4_24( 7, 8),
- C4_24( 8, 8), C4_24( 9, 8), C4_24(10, 8), C4_24(11, 8),
- C4_24(12, 8), C4_24(13, 8), C4_24(14, 8), C4_24(15, 8),
- },
- /* rotate 16 */
- {
- C4_24( 0,16), C4_24( 1,16), C4_24( 2,16), C4_24( 3,16),
- C4_24( 4,16), C4_24( 5,16), C4_24( 6,16), C4_24( 7,16),
- C4_24( 8,16), C4_24( 9,16), C4_24(10,16), C4_24(11,16),
- C4_24(12,16), C4_24(13,16), C4_24(14,16), C4_24(15,16),
- }
-};
-
-#endif
-
-#if FB_UNIT == 32
-#define C2_24(b,r) \
- (SelMask24(b,0,r) | \
- SelMask24(b,1,r))
-
-#define FbStip24Len 2
-#if BITMAP_BIT_ORDER == MSBFirst
-#define FbStip24New(rot) (1 + (rot == 0))
-#else
-#define FbStip24New(rot) (1 + (rot == 8))
-#endif
-
-const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
- /* rotate 0 */
- {
- C2_24( 0, 0), C2_24 ( 1, 0), C2_24 ( 2, 0), C2_24 ( 3, 0),
- },
- /* rotate 8 */
- {
- C2_24( 0, 8), C2_24 ( 1, 8), C2_24 ( 2, 8), C2_24 ( 3, 8),
- },
- /* rotate 16 */
- {
- C2_24( 0,16), C2_24 ( 1,16), C2_24 ( 2,16), C2_24 ( 3,16),
- }
-};
-#endif
-
-#if BITMAP_BIT_ORDER == LSBFirst
-
-#define FbMergeStip24Bits(left, right, new) \
- (FbStipLeft (left, new) | FbStipRight ((right), (FbStip24Len - (new))))
-
-#define FbMergePartStip24Bits(left, right, llen, rlen) \
- (left | FbStipRight(right, llen))
-
-#else
-
-#define FbMergeStip24Bits(left, right, new) \
- ((FbStipLeft (left, new) & ((1 << FbStip24Len) - 1)) | right)
-
-#define FbMergePartStip24Bits(left, right, llen, rlen) \
- (FbStipLeft(left, rlen) | right)
-
-#endif
-
-#define fbFirstStipBits(len,stip) {\
- int __len = (len); \
- if (len <= remain) { \
- stip = FbLeftStipBits(bits, len); \
- } else { \
- stip = FbLeftStipBits(bits, remain); \
- bits = (src < srcEnd ? READ(src++) : 0); \
- __len = (len) - remain; \
- stip = FbMergePartStip24Bits(stip, FbLeftStipBits(bits, __len), \
- remain, __len); \
- remain = FB_STIP_UNIT; \
- } \
- bits = FbStipLeft (bits, __len); \
- remain -= __len; \
-}
-
-#define fbInitStipBits(offset,len,stip) {\
- bits = FbStipLeft (READ(src++),offset); \
- remain = FB_STIP_UNIT - offset; \
- fbFirstStipBits(len,stip); \
- stip = FbMergeStip24Bits (0, stip, len); \
-}
-
-#define fbNextStipBits(rot,stip) {\
- int __new = FbStip24New(rot); \
- FbStip __right; \
- fbFirstStipBits(__new, __right); \
- stip = FbMergeStip24Bits (stip, __right, __new); \
- rot = FbNext24Rot (rot); \
-}
-
-/*
- * Use deep mask tables that incorporate rotation, pull
- * a variable number of bits out of the stipple and
- * reuse the right bits as needed for the next write
- *
- * Yes, this is probably too much code, but most 24-bpp screens
- * have no acceleration so this code is used for stipples, copyplane
- * and text
- */
-void
-fbBltOne24 (FbStip *srcLine,
- 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)
-{
- FbStip *src, *srcEnd;
- FbBits leftMask, rightMask, mask;
- int nlMiddle, nl;
- FbStip stip, bits;
- int remain;
- int dstS;
- int firstlen;
- int rot0, rot;
- int nDst;
-
- /*
- * Do not read past the end of the buffer!
- */
- srcEnd = srcLine + height * srcStride;
-
- srcLine += srcX >> FB_STIP_SHIFT;
- dst += dstX >> FB_SHIFT;
- srcX &= FB_STIP_MASK;
- dstX &= FB_MASK;
- rot0 = FbFirst24Rot (dstX);
-
- FbMaskBits (dstX, width, leftMask, nlMiddle, rightMask);
-
- dstS = (dstX + 23) / 24;
- firstlen = FbStip24Len - dstS;
-
- nDst = nlMiddle;
- if (leftMask)
- nDst++;
- dstStride -= nDst;
-
- /* opaque copy */
- if (bgand == 0 && fgand == 0)
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX,firstlen, stip);
- if (leftMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, (READ(dst) & ~leftMask) |
- (FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot))
- & leftMask));
- dst++;
- fbNextStipBits(rot,stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- mask = fbStipple24Bits[rot>>3][stip];
- WRITE(dst, FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot)));
- dst++;
- fbNextStipBits(rot,stip);
- }
- if (rightMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, (READ(dst) & ~rightMask) |
- (FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot))
- & rightMask));
- }
- dst += dstStride;
- src += srcStride;
- }
- }
- /* transparent copy */
- else if (bgand == FB_ALLONES && bgxor == 0 && fgand == 0)
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX, firstlen, stip);
- if (leftMask)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot >> 3][stip] & leftMask;
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
- }
- dst++;
- fbNextStipBits (rot, stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot>>3][stip];
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor,rot) & mask));
- }
- dst++;
- fbNextStipBits (rot, stip);
- }
- if (rightMask)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot >> 3][stip] & rightMask;
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
- }
- }
- dst += dstStride;
- }
- }
- else
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX, firstlen, stip);
- if (leftMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRopMask (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot),
- leftMask));
- dst++;
- fbNextStipBits(rot,stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRop (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot)));
- dst++;
- fbNextStipBits(rot,stip);
- }
- if (rightMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRopMask (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot),
- rightMask));
- }
- dst += dstStride;
- }
- }
-}
-
-/*
- * Not very efficient, but simple -- copy a single plane
- * from an N bit image to a 1 bit image
- */
-
-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)
-{
- FbBits *s;
- FbBits pm;
- FbBits srcMask;
- FbBits srcMaskFirst;
- FbBits srcMask0 = 0;
- FbBits srcBits;
-
- FbStip dstBits;
- FbStip *d;
- FbStip dstMask;
- FbStip dstMaskFirst;
- FbStip dstUnion;
- int w;
- int wt;
- int rot0;
-
- if (!width)
- return;
-
- src += srcX >> FB_SHIFT;
- srcX &= FB_MASK;
-
- dst += dstX >> FB_STIP_SHIFT;
- dstX &= FB_STIP_MASK;
-
- w = width / srcBpp;
-
- pm = fbReplicatePixel (planeMask, srcBpp);
- if (srcBpp == 24)
- {
- int w = 24;
-
- rot0 = FbFirst24Rot (srcX);
- if (srcX + w > FB_UNIT)
- w = FB_UNIT - srcX;
- srcMaskFirst = FbRot24(pm,rot0) & FbBitsMask(srcX,w);
- }
- else
- {
- rot0 = 0;
- srcMaskFirst = pm & FbBitsMask(srcX, srcBpp);
- srcMask0 = pm & FbBitsMask(0, srcBpp);
- }
-
- dstMaskFirst = FbStipMask(dstX,1);
- while (height--)
- {
- d = dst;
- dst += dstStride;
- s = src;
- src += srcStride;
-
- srcMask = srcMaskFirst;
- if (srcBpp == 24)
- srcMask0 = FbRot24(pm,rot0) & FbBitsMask(0, srcBpp);
- srcBits = READ(s++);
-
- dstMask = dstMaskFirst;
- dstUnion = 0;
- dstBits = 0;
-
- wt = w;
-
- while (wt--)
- {
- if (!srcMask)
- {
- srcBits = READ(s++);
- if (srcBpp == 24)
- srcMask0 = FbNext24Pix(srcMask0) & FbBitsMask(0,24);
- srcMask = srcMask0;
- }
- if (!dstMask)
- {
- WRITE(d, FbStippleRRopMask(READ(d), dstBits,
- fgand, fgxor, bgand, bgxor,
- dstUnion));
- d++;
- dstMask = FbStipMask(0,1);
- dstUnion = 0;
- dstBits = 0;
- }
- if (srcBits & srcMask)
- dstBits |= dstMask;
- dstUnion |= dstMask;
- if (srcBpp == FB_UNIT)
- srcMask = 0;
- else
- srcMask = FbScrRight(srcMask,srcBpp);
- dstMask = FbStipRight(dstMask,1);
- }
- if (dstUnion)
- WRITE(d, FbStippleRRopMask(READ(d),dstBits,
- fgand, fgxor, bgand, bgxor,
- dstUnion));
- }
-}
-
+/* + * 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 "fb.h" + +#ifdef __clang__ +/* shift overflow is intentional */ +#pragma clang diagnostic ignored "-Wshift-overflow" +#endif + +/* + * Example: srcX = 13 dstX = 8 (FB unit 32 dstBpp 8) + * + * **** **** **** **** **** **** **** **** + * ^ + * ******** ******** ******** ******** + * ^ + * leftShift = 12 + * rightShift = 20 + * + * Example: srcX = 0 dstX = 8 (FB unit 32 dstBpp 8) + * + * **** **** **** **** **** **** **** **** + * ^ + * ******** ******** ******** ******** + * ^ + * + * leftShift = 24 + * rightShift = 8 + */ + +#define LoadBits {\ + if (leftShift) { \ + bitsRight = (src < srcEnd ? READ(src++) : 0); \ + bits = (FbStipLeft (bitsLeft, leftShift) | \ + FbStipRight(bitsRight, rightShift)); \ + bitsLeft = bitsRight; \ + } else \ + bits = (src < srcEnd ? READ(src++) : 0); \ +} + + +#define LaneCases1(n,a) case n: FbLaneCase(n,a); break +#define LaneCases2(n,a) LaneCases1(n,a); LaneCases1(n+1,a) +#define LaneCases4(n,a) LaneCases2(n,a); LaneCases2(n+2,a) +#define LaneCases8(n,a) LaneCases4(n,a); LaneCases4(n+4,a) +#define LaneCases16(n,a) LaneCases8(n,a); LaneCases8(n+8,a) +#define LaneCases32(n,a) LaneCases16(n,a); LaneCases16(n+16,a) +#define LaneCases64(n,a) LaneCases32(n,a); LaneCases32(n+32,a) +#define LaneCases128(n,a) LaneCases64(n,a); LaneCases64(n+64,a) +#define LaneCases256(n,a) LaneCases128(n,a); LaneCases128(n+128,a) + +#if FB_SHIFT == 6 +#define LaneCases(a) LaneCases256(0,a) +#endif + +#if FB_SHIFT == 5 +#define LaneCases(a) LaneCases16(0,a) +#endif + +#if FB_SHIFT == 6 +CARD8 fb8Lane[256] = { +0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, +22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, +41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, +60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, +79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, +98, 99, 100, 101, 102,103,104,105,106,107,108,109,110,111,112,113,114,115, +116, 117, 118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133, +134, 135, 136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151, +152, 153, 154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169, +170, 171, 172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187, +188, 189, 190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205, +206, 207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, +224, 225, 226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241, +242, 243, 244,245,246,247,248,249,250,251,252,253,254,255, +}; + +CARD8 fb16Lane[256] = { + 0x00, 0x03, 0x0c, 0x0f, + 0x30, 0x33, 0x3c, 0x3f, + 0xc0, 0xc3, 0xcc, 0xcf, + 0xf0, 0xf3, 0xfc, 0xff, +}; + +CARD8 fb32Lane[16] = { + 0x00, 0x0f, 0xf0, 0xff, +}; +#endif + +#if FB_SHIFT == 5 +CARD8 fb8Lane[16] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 +}; + +CARD8 fb16Lane[16] = { + 0, 3, 12, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; + +CARD8 fb32Lane[16] = { + 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +#endif + +CARD8 *fbLaneTable[33] = { + 0, 0, 0, 0, 0, 0, 0, 0, + fb8Lane, 0, 0, 0, 0, 0, 0, 0, + fb16Lane, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + fb32Lane +}; + +void +fbBltOne (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) +{ + const FbBits *fbBits; + FbBits *srcEnd; + int pixelsPerDst; /* dst pixels per FbBits */ + int unitsPerSrc; /* src patterns per FbStip */ + int leftShift, rightShift; /* align source with dest */ + FbBits startmask, endmask; /* dest scanline masks */ + FbStip bits=0, bitsLeft, bitsRight;/* source bits */ + FbStip left; + FbBits mask; + int nDst; /* dest longwords (w.o. end) */ + int w; + int n, nmiddle; + int dstS; /* stipple-relative dst X coordinate */ + Bool copy; /* accelerate dest-invariant */ + Bool transparent; /* accelerate 0 nop */ + int srcinc; /* source units consumed */ + Bool endNeedsLoad = FALSE; /* need load for endmask */ + CARD8 *fbLane; + int startbyte, endbyte; + + if (dstBpp == 24) + { + fbBltOne24 (src, srcStride, srcX, + dst, dstStride, dstX, dstBpp, + width, height, + fgand, fgxor, bgand, bgxor); + return; + } + + /* + * Do not read past the end of the buffer! + */ + srcEnd = src + height * srcStride; + + /* + * Number of destination units in FbBits == number of stipple pixels + * used each time + */ + pixelsPerDst = FB_UNIT / dstBpp; + + /* + * Number of source stipple patterns in FbStip + */ + unitsPerSrc = FB_STIP_UNIT / pixelsPerDst; + + copy = FALSE; + transparent = FALSE; + if (bgand == 0 && fgand == 0) + copy = TRUE; + else if (bgand == FB_ALLONES && bgxor == 0) + transparent = TRUE; + + /* + * Adjust source and dest to nearest FbBits boundary + */ + src += srcX >> FB_STIP_SHIFT; + dst += dstX >> FB_SHIFT; + srcX &= FB_STIP_MASK; + dstX &= FB_MASK; + + FbMaskBitsBytes(dstX, width, copy, + startmask, startbyte, nmiddle, endmask, endbyte); + + /* + * Compute effective dest alignment requirement for + * source -- must align source to dest unit boundary + */ + dstS = dstX / dstBpp; + /* + * Compute shift constants for effective alignement + */ + if (srcX >= dstS) + { + leftShift = srcX - dstS; + rightShift = FB_STIP_UNIT - leftShift; + } + else + { + rightShift = dstS - srcX; + leftShift = FB_STIP_UNIT - rightShift; + } + /* + * Get pointer to stipple mask array for this depth + */ + fbBits = 0; /* unused */ + if (pixelsPerDst <= 8) + fbBits = fbStippleTable[pixelsPerDst]; + fbLane = 0; + if (transparent && fgand == 0 && dstBpp >= 8) + fbLane = fbLaneTable[dstBpp]; + + /* + * Compute total number of destination words written, but + * don't count endmask + */ + nDst = nmiddle; + if (startmask) + nDst++; + + dstStride -= nDst; + + /* + * Compute total number of source words consumed + */ + + srcinc = (nDst + unitsPerSrc - 1) / unitsPerSrc; + + if (srcX > dstS) + srcinc++; + if (endmask) + { + endNeedsLoad = nDst % unitsPerSrc == 0; + if (endNeedsLoad) + srcinc++; + } + + srcStride -= srcinc; + + /* + * Copy rectangle + */ + while (height--) + { + w = nDst; /* total units across scanline */ + n = unitsPerSrc; /* units avail in single stipple */ + if (n > w) + n = w; + + bitsLeft = 0; + if (srcX > dstS) + bitsLeft = READ(src++); + if (n) + { + /* + * Load first set of stipple bits + */ + LoadBits; + + /* + * Consume stipple bits for startmask + */ + if (startmask) + { +#if FB_UNIT > 32 + if (pixelsPerDst == 16) + mask = FbStipple16Bits(FbLeftStipBits(bits,16)); + else +#endif + mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; + if (fbLane) + { + fbTransparentSpan (dst, mask & startmask, fgxor, 1); + } + else + { + if (mask || !transparent) + FbDoLeftMaskByteStippleRRop (dst, mask, + fgand, fgxor, bgand, bgxor, + startbyte, startmask); + } + bits = FbStipLeft (bits, pixelsPerDst); + dst++; + n--; + w--; + } + /* + * Consume stipple bits across scanline + */ + for (;;) + { + w -= n; + if (copy) + { + while (n--) + { +#if FB_UNIT > 32 + if (pixelsPerDst == 16) + mask = FbStipple16Bits(FbLeftStipBits(bits,16)); + else +#endif + mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; + WRITE(dst, FbOpaqueStipple (mask, fgxor, bgxor)); + dst++; + bits = FbStipLeft(bits, pixelsPerDst); + } + } + else + { + if (fbLane) + { + while (bits && n) + { + switch (fbLane[FbLeftStipBits(bits,pixelsPerDst)]) { + LaneCases((CARD8 *) dst); + } + bits = FbStipLeft(bits,pixelsPerDst); + dst++; + n--; + } + dst += n; + } + else + { + while (n--) + { + left = FbLeftStipBits(bits,pixelsPerDst); + if (left || !transparent) + { + mask = fbBits[left]; + WRITE(dst, FbStippleRRop (READ(dst), mask, + fgand, fgxor, bgand, bgxor)); + } + dst++; + bits = FbStipLeft(bits, pixelsPerDst); + } + } + } + if (!w) + break; + /* + * Load another set and reset number of available units + */ + LoadBits; + n = unitsPerSrc; + if (n > w) + n = w; + } + } + /* + * Consume stipple bits for endmask + */ + if (endmask) + { + if (endNeedsLoad) + { + LoadBits; + } +#if FB_UNIT > 32 + if (pixelsPerDst == 16) + mask = FbStipple16Bits(FbLeftStipBits(bits,16)); + else +#endif + mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; + if (fbLane) + { + fbTransparentSpan (dst, mask & endmask, fgxor, 1); + } + else + { + if (mask || !transparent) + FbDoRightMaskByteStippleRRop (dst, mask, + fgand, fgxor, bgand, bgxor, + endbyte, endmask); + } + } + dst += dstStride; + src += srcStride; + } +} + + +/* + * Crufty macros to initialize the mask array, most of this + * is to avoid compile-time warnings about shift overflow + */ + +#if BITMAP_BIT_ORDER == MSBFirst +#define Mask24Pos(x,r) ((x)*24-(r)) +#else +#define Mask24Pos(x,r) ((x)*24-((r) ? 24 - (r) : 0)) +#endif + +#define Mask24Neg(x,r) (Mask24Pos(x,r) < 0 ? -Mask24Pos(x,r) : 0) +#define Mask24Check(x,r) (Mask24Pos(x,r) < 0 ? 0 : \ + Mask24Pos(x,r) >= FB_UNIT ? 0 : Mask24Pos(x,r)) + +#define Mask24(x,r) (Mask24Pos(x,r) < FB_UNIT ? \ + (Mask24Pos(x,r) < 0 ? \ + 0xffffffU >> Mask24Neg (x,r) : \ + 0xffffffU << Mask24Check(x,r)) : 0) + +#define SelMask24(b,n,r) ((((b) >> n) & 1) * Mask24(n,r)) + +/* + * Untested for MSBFirst or FB_UNIT == 32 + */ + +#if FB_UNIT == 64 +#define C4_24(b,r) \ + (SelMask24(b,0,r) | \ + SelMask24(b,1,r) | \ + SelMask24(b,2,r) | \ + SelMask24(b,3,r)) + +#define FbStip24New(rot) (2 + (rot != 0)) +#define FbStip24Len 4 + +const FbBits fbStipple24Bits[3][1 << FbStip24Len] = { + /* rotate 0 */ + { + C4_24( 0, 0), C4_24( 1, 0), C4_24( 2, 0), C4_24( 3, 0), + C4_24( 4, 0), C4_24( 5, 0), C4_24( 6, 0), C4_24( 7, 0), + C4_24( 8, 0), C4_24( 9, 0), C4_24(10, 0), C4_24(11, 0), + C4_24(12, 0), C4_24(13, 0), C4_24(14, 0), C4_24(15, 0), + }, + /* rotate 8 */ + { + C4_24( 0, 8), C4_24( 1, 8), C4_24( 2, 8), C4_24( 3, 8), + C4_24( 4, 8), C4_24( 5, 8), C4_24( 6, 8), C4_24( 7, 8), + C4_24( 8, 8), C4_24( 9, 8), C4_24(10, 8), C4_24(11, 8), + C4_24(12, 8), C4_24(13, 8), C4_24(14, 8), C4_24(15, 8), + }, + /* rotate 16 */ + { + C4_24( 0,16), C4_24( 1,16), C4_24( 2,16), C4_24( 3,16), + C4_24( 4,16), C4_24( 5,16), C4_24( 6,16), C4_24( 7,16), + C4_24( 8,16), C4_24( 9,16), C4_24(10,16), C4_24(11,16), + C4_24(12,16), C4_24(13,16), C4_24(14,16), C4_24(15,16), + } +}; + +#endif + +#if FB_UNIT == 32 +#define C2_24(b,r) \ + (SelMask24(b,0,r) | \ + SelMask24(b,1,r)) + +#define FbStip24Len 2 +#if BITMAP_BIT_ORDER == MSBFirst +#define FbStip24New(rot) (1 + (rot == 0)) +#else +#define FbStip24New(rot) (1 + (rot == 8)) +#endif + +const FbBits fbStipple24Bits[3][1 << FbStip24Len] = { + /* rotate 0 */ + { + C2_24( 0, 0), C2_24 ( 1, 0), C2_24 ( 2, 0), C2_24 ( 3, 0), + }, + /* rotate 8 */ + { + C2_24( 0, 8), C2_24 ( 1, 8), C2_24 ( 2, 8), C2_24 ( 3, 8), + }, + /* rotate 16 */ + { + C2_24( 0,16), C2_24 ( 1,16), C2_24 ( 2,16), C2_24 ( 3,16), + } +}; +#endif + +#if BITMAP_BIT_ORDER == LSBFirst + +#define FbMergeStip24Bits(left, right, new) \ + (FbStipLeft (left, new) | FbStipRight ((right), (FbStip24Len - (new)))) + +#define FbMergePartStip24Bits(left, right, llen, rlen) \ + (left | FbStipRight(right, llen)) + +#else + +#define FbMergeStip24Bits(left, right, new) \ + ((FbStipLeft (left, new) & ((1 << FbStip24Len) - 1)) | right) + +#define FbMergePartStip24Bits(left, right, llen, rlen) \ + (FbStipLeft(left, rlen) | right) + +#endif + +#define fbFirstStipBits(len,stip) {\ + int __len = (len); \ + if (len <= remain) { \ + stip = FbLeftStipBits(bits, len); \ + } else { \ + stip = FbLeftStipBits(bits, remain); \ + bits = (src < srcEnd ? READ(src++) : 0); \ + __len = (len) - remain; \ + stip = FbMergePartStip24Bits(stip, FbLeftStipBits(bits, __len), \ + remain, __len); \ + remain = FB_STIP_UNIT; \ + } \ + bits = FbStipLeft (bits, __len); \ + remain -= __len; \ +} + +#define fbInitStipBits(offset,len,stip) {\ + bits = FbStipLeft (READ(src++),offset); \ + remain = FB_STIP_UNIT - offset; \ + fbFirstStipBits(len,stip); \ + stip = FbMergeStip24Bits (0, stip, len); \ +} + +#define fbNextStipBits(rot,stip) {\ + int __new = FbStip24New(rot); \ + FbStip __right; \ + fbFirstStipBits(__new, __right); \ + stip = FbMergeStip24Bits (stip, __right, __new); \ + rot = FbNext24Rot (rot); \ +} + +/* + * Use deep mask tables that incorporate rotation, pull + * a variable number of bits out of the stipple and + * reuse the right bits as needed for the next write + * + * Yes, this is probably too much code, but most 24-bpp screens + * have no acceleration so this code is used for stipples, copyplane + * and text + */ +void +fbBltOne24 (FbStip *srcLine, + 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) +{ + FbStip *src, *srcEnd; + FbBits leftMask, rightMask, mask; + int nlMiddle, nl; + FbStip stip, bits; + int remain; + int dstS; + int firstlen; + int rot0, rot; + int nDst; + + /* + * Do not read past the end of the buffer! + */ + srcEnd = srcLine + height * srcStride; + + srcLine += srcX >> FB_STIP_SHIFT; + dst += dstX >> FB_SHIFT; + srcX &= FB_STIP_MASK; + dstX &= FB_MASK; + rot0 = FbFirst24Rot (dstX); + + FbMaskBits (dstX, width, leftMask, nlMiddle, rightMask); + + dstS = (dstX + 23) / 24; + firstlen = FbStip24Len - dstS; + + nDst = nlMiddle; + if (leftMask) + nDst++; + dstStride -= nDst; + + /* opaque copy */ + if (bgand == 0 && fgand == 0) + { + while (height--) + { + rot = rot0; + src = srcLine; + srcLine += srcStride; + fbInitStipBits (srcX,firstlen, stip); + if (leftMask) + { + mask = fbStipple24Bits[rot >> 3][stip]; + WRITE(dst, (READ(dst) & ~leftMask) | + (FbOpaqueStipple (mask, + FbRot24(fgxor, rot), + FbRot24(bgxor, rot)) + & leftMask)); + dst++; + fbNextStipBits(rot,stip); + } + nl = nlMiddle; + while (nl--) + { + mask = fbStipple24Bits[rot>>3][stip]; + WRITE(dst, FbOpaqueStipple (mask, + FbRot24(fgxor, rot), + FbRot24(bgxor, rot))); + dst++; + fbNextStipBits(rot,stip); + } + if (rightMask) + { + mask = fbStipple24Bits[rot >> 3][stip]; + WRITE(dst, (READ(dst) & ~rightMask) | + (FbOpaqueStipple (mask, + FbRot24(fgxor, rot), + FbRot24(bgxor, rot)) + & rightMask)); + } + dst += dstStride; + src += srcStride; + } + } + /* transparent copy */ + else if (bgand == FB_ALLONES && bgxor == 0 && fgand == 0) + { + while (height--) + { + rot = rot0; + src = srcLine; + srcLine += srcStride; + fbInitStipBits (srcX, firstlen, stip); + if (leftMask) + { + if (stip) + { + mask = fbStipple24Bits[rot >> 3][stip] & leftMask; + WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask)); + } + dst++; + fbNextStipBits (rot, stip); + } + nl = nlMiddle; + while (nl--) + { + if (stip) + { + mask = fbStipple24Bits[rot>>3][stip]; + WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor,rot) & mask)); + } + dst++; + fbNextStipBits (rot, stip); + } + if (rightMask) + { + if (stip) + { + mask = fbStipple24Bits[rot >> 3][stip] & rightMask; + WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask)); + } + } + dst += dstStride; + } + } + else + { + while (height--) + { + rot = rot0; + src = srcLine; + srcLine += srcStride; + fbInitStipBits (srcX, firstlen, stip); + if (leftMask) + { + mask = fbStipple24Bits[rot >> 3][stip]; + WRITE(dst, FbStippleRRopMask (READ(dst), mask, + FbRot24(fgand, rot), + FbRot24(fgxor, rot), + FbRot24(bgand, rot), + FbRot24(bgxor, rot), + leftMask)); + dst++; + fbNextStipBits(rot,stip); + } + nl = nlMiddle; + while (nl--) + { + mask = fbStipple24Bits[rot >> 3][stip]; + WRITE(dst, FbStippleRRop (READ(dst), mask, + FbRot24(fgand, rot), + FbRot24(fgxor, rot), + FbRot24(bgand, rot), + FbRot24(bgxor, rot))); + dst++; + fbNextStipBits(rot,stip); + } + if (rightMask) + { + mask = fbStipple24Bits[rot >> 3][stip]; + WRITE(dst, FbStippleRRopMask (READ(dst), mask, + FbRot24(fgand, rot), + FbRot24(fgxor, rot), + FbRot24(bgand, rot), + FbRot24(bgxor, rot), + rightMask)); + } + dst += dstStride; + } + } +} + +/* + * Not very efficient, but simple -- copy a single plane + * from an N bit image to a 1 bit image + */ + +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) +{ + FbBits *s; + FbBits pm; + FbBits srcMask; + FbBits srcMaskFirst; + FbBits srcMask0 = 0; + FbBits srcBits; + + FbStip dstBits; + FbStip *d; + FbStip dstMask; + FbStip dstMaskFirst; + FbStip dstUnion; + int w; + int wt; + int rot0; + + if (!width) + return; + + src += srcX >> FB_SHIFT; + srcX &= FB_MASK; + + dst += dstX >> FB_STIP_SHIFT; + dstX &= FB_STIP_MASK; + + w = width / srcBpp; + + pm = fbReplicatePixel (planeMask, srcBpp); + if (srcBpp == 24) + { + int w = 24; + + rot0 = FbFirst24Rot (srcX); + if (srcX + w > FB_UNIT) + w = FB_UNIT - srcX; + srcMaskFirst = FbRot24(pm,rot0) & FbBitsMask(srcX,w); + } + else + { + rot0 = 0; + srcMaskFirst = pm & FbBitsMask(srcX, srcBpp); + srcMask0 = pm & FbBitsMask(0, srcBpp); + } + + dstMaskFirst = FbStipMask(dstX,1); + while (height--) + { + d = dst; + dst += dstStride; + s = src; + src += srcStride; + + srcMask = srcMaskFirst; + if (srcBpp == 24) + srcMask0 = FbRot24(pm,rot0) & FbBitsMask(0, srcBpp); + srcBits = READ(s++); + + dstMask = dstMaskFirst; + dstUnion = 0; + dstBits = 0; + + wt = w; + + while (wt--) + { + if (!srcMask) + { + srcBits = READ(s++); + if (srcBpp == 24) + srcMask0 = FbNext24Pix(srcMask0) & FbBitsMask(0,24); + srcMask = srcMask0; + } + if (!dstMask) + { + WRITE(d, FbStippleRRopMask(READ(d), dstBits, + fgand, fgxor, bgand, bgxor, + dstUnion)); + d++; + dstMask = FbStipMask(0,1); + dstUnion = 0; + dstBits = 0; + } + if (srcBits & srcMask) + dstBits |= dstMask; + dstUnion |= dstMask; + if (srcBpp == FB_UNIT) + srcMask = 0; + else + srcMask = FbScrRight(srcMask,srcBpp); + dstMask = FbStipRight(dstMask,1); + } + if (dstUnion) + WRITE(d, FbStippleRRopMask(READ(d),dstBits, + fgand, fgxor, bgand, bgxor, + dstUnion)); + } +} + diff --git a/xorg-server/fb/fbcopy.c b/xorg-server/fb/fbcopy.c index 6688a4369..3f08345c5 100644 --- a/xorg-server/fb/fbcopy.c +++ b/xorg-server/fb/fbcopy.c @@ -1,339 +1,339 @@ -/*
- * 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"
-
-void
-fbCopyNtoN (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- BoxPtr pbox,
- int nbox,
- int dx,
- int dy,
- Bool reverse,
- Bool upsidedown,
- Pixel bitplane,
- void *closure)
-{
- CARD8 alu = pGC ? pGC->alu : GXcopy;
- FbBits pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES;
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
-
- fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
- fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- while (nbox--)
- {
-#ifndef FB_ACCESS_WRAPPER /* pixman_blt() doesn't support accessors yet */
- if (pm == FB_ALLONES && alu == GXcopy && !reverse &&
- !upsidedown)
- {
- if (!pixman_blt ((uint32_t *)src, (uint32_t *)dst, srcStride, dstStride, srcBpp, dstBpp,
- (pbox->x1 + dx + srcXoff),
- (pbox->y1 + dy + srcYoff),
- (pbox->x1 + dstXoff),
- (pbox->y1 + dstYoff),
- (pbox->x2 - pbox->x1),
- (pbox->y2 - pbox->y1)))
- goto fallback;
- else
- goto next;
- }
- fallback:
-#endif
- fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff) * srcBpp,
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
-
- (pbox->x2 - pbox->x1) * dstBpp,
- (pbox->y2 - pbox->y1),
-
- alu,
- pm,
- dstBpp,
-
- reverse,
- upsidedown);
-#ifndef FB_ACCESS_WRAPPER
- next:
-#endif
- pbox++;
- }
- fbFinishAccess (pDstDrawable);
- fbFinishAccess (pSrcDrawable);
-}
-
-void
-fbCopy1toN (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 *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
-
- fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
- fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- while (nbox--)
- {
- if (dstBpp == 1)
- {
- fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff) * srcBpp,
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
-
- (pbox->x2 - pbox->x1) * dstBpp,
- (pbox->y2 - pbox->y1),
-
- FbOpaqueStipple1Rop(pGC->alu,
- pGC->fgPixel,pGC->bgPixel),
- pPriv->pm,
- dstBpp,
-
- reverse,
- upsidedown);
- }
- else
- {
- fbBltOne ((FbStip *) (src + (pbox->y1 + dy + srcYoff) * srcStride),
- srcStride*(FB_UNIT/FB_STIP_UNIT),
- (pbox->x1 + dx + srcXoff),
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
- dstBpp,
-
- (pbox->x2 - pbox->x1) * dstBpp,
- (pbox->y2 - pbox->y1),
-
- pPriv->and, pPriv->xor,
- pPriv->bgand, pPriv->bgxor);
- }
- pbox++;
- }
-
- fbFinishAccess (pDstDrawable);
- fbFinishAccess (pSrcDrawable);
-}
-
-void
-fbCopyNto1 (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);
-
- while (nbox--)
- {
- if (pDstDrawable->bitsPerPixel == 1)
- {
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
-
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
-
- fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
- fbGetStipDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff) * srcBpp,
- srcBpp,
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
-
- (pbox->x2 - pbox->x1) * srcBpp,
- (pbox->y2 - pbox->y1),
-
- (FbStip) pPriv->and, (FbStip) pPriv->xor,
- (FbStip) pPriv->bgand, (FbStip) pPriv->bgxor,
- bitplane);
- fbFinishAccess (pDstDrawable);
- fbFinishAccess (pSrcDrawable);
- }
- else
- {
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
-
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
-
- FbStip *tmp;
- FbStride tmpStride;
- int width, height;
-
- width = pbox->x2 - pbox->x1;
- height = pbox->y2 - pbox->y1;
-
- tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT);
- tmp = malloc(tmpStride * height * sizeof (FbStip));
- if (!tmp)
- return;
-
- fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
- fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff) * srcBpp,
- srcBpp,
-
- tmp,
- tmpStride,
- 0,
-
- width * srcBpp,
- height,
-
- fbAndStip(GXcopy,FB_ALLONES,FB_ALLONES),
- fbXorStip(GXcopy,FB_ALLONES,FB_ALLONES),
- fbAndStip(GXcopy,0,FB_ALLONES),
- fbXorStip(GXcopy,0,FB_ALLONES),
- bitplane);
- fbBltOne (tmp,
- tmpStride,
- 0,
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
- dstBpp,
-
- width * dstBpp,
- height,
-
- pPriv->and, pPriv->xor,
- pPriv->bgand, pPriv->bgxor);
- free(tmp);
-
- fbFinishAccess (pDstDrawable);
- fbFinishAccess (pSrcDrawable);
- }
- pbox++;
- }
-}
-
-RegionPtr
-fbCopyArea (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- int xIn,
- int yIn,
- int widthSrc,
- int heightSrc,
- int xOut,
- int yOut)
-{
- miCopyProc copy;
-
- if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
- copy = fb24_32CopyMtoN;
- else
- copy = fbCopyNtoN;
- return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
- widthSrc, heightSrc, xOut, yOut, copy, 0, 0);
-}
-
-RegionPtr
-fbCopyPlane (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- int xIn,
- int yIn,
- int widthSrc,
- int heightSrc,
- int xOut,
- int yOut,
- unsigned long bitplane)
-{
- if (pSrcDrawable->bitsPerPixel > 1)
- return miDoCopy (pSrcDrawable, pDstDrawable, pGC,
- xIn, yIn, widthSrc, heightSrc,
- xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0);
- else if (bitplane & 1)
- return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn,
- widthSrc, heightSrc, xOut, yOut, fbCopy1toN,
- (Pixel) bitplane, 0);
- else
- return miHandleExposures(pSrcDrawable, pDstDrawable, pGC,
- xIn, yIn,
- widthSrc,
- heightSrc,
- xOut, yOut, bitplane);
-}
+/* + * 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" + +void +fbCopyNtoN (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + CARD8 alu = pGC ? pGC->alu : GXcopy; + FbBits pm = pGC ? fbGetGCPrivate(pGC)->pm : FB_ALLONES; + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + + fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + while (nbox--) + { +#ifndef FB_ACCESS_WRAPPER /* pixman_blt() doesn't support accessors yet */ + if (pm == FB_ALLONES && alu == GXcopy && !reverse && + !upsidedown) + { + if (!pixman_blt ((uint32_t *)src, (uint32_t *)dst, srcStride, dstStride, srcBpp, dstBpp, + (pbox->x1 + dx + srcXoff), + (pbox->y1 + dy + srcYoff), + (pbox->x1 + dstXoff), + (pbox->y1 + dstYoff), + (pbox->x2 - pbox->x1), + (pbox->y2 - pbox->y1))) + goto fallback; + else + goto next; + } + fallback: +#endif + fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff) * srcBpp, + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + + (pbox->x2 - pbox->x1) * dstBpp, + (pbox->y2 - pbox->y1), + + alu, + pm, + dstBpp, + + reverse, + upsidedown); +#ifndef FB_ACCESS_WRAPPER + next: +#endif + pbox++; + } + fbFinishAccess (pDstDrawable); + fbFinishAccess (pSrcDrawable); +} + +void +fbCopy1toN (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 *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + + fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + while (nbox--) + { + if (dstBpp == 1) + { + fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff) * srcBpp, + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + + (pbox->x2 - pbox->x1) * dstBpp, + (pbox->y2 - pbox->y1), + + FbOpaqueStipple1Rop(pGC->alu, + pGC->fgPixel,pGC->bgPixel), + pPriv->pm, + dstBpp, + + reverse, + upsidedown); + } + else + { + fbBltOne ((FbStip *) (src + (pbox->y1 + dy + srcYoff) * srcStride), + srcStride*(FB_UNIT/FB_STIP_UNIT), + (pbox->x1 + dx + srcXoff), + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + dstBpp, + + (pbox->x2 - pbox->x1) * dstBpp, + (pbox->y2 - pbox->y1), + + pPriv->and, pPriv->xor, + pPriv->bgand, pPriv->bgxor); + } + pbox++; + } + + fbFinishAccess (pDstDrawable); + fbFinishAccess (pSrcDrawable); +} + +void +fbCopyNto1 (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); + + while (nbox--) + { + if (pDstDrawable->bitsPerPixel == 1) + { + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + + fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + fbGetStipDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff) * srcBpp, + srcBpp, + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + + (pbox->x2 - pbox->x1) * srcBpp, + (pbox->y2 - pbox->y1), + + (FbStip) pPriv->and, (FbStip) pPriv->xor, + (FbStip) pPriv->bgand, (FbStip) pPriv->bgxor, + bitplane); + fbFinishAccess (pDstDrawable); + fbFinishAccess (pSrcDrawable); + } + else + { + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + + FbStip *tmp; + FbStride tmpStride; + int width, height; + + width = pbox->x2 - pbox->x1; + height = pbox->y2 - pbox->y1; + + tmpStride = ((width + FB_STIP_MASK) >> FB_STIP_SHIFT); + tmp = malloc(tmpStride * height * sizeof (FbStip)); + if (!tmp) + return; + + fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + fbBltPlane (src + (pbox->y1+ dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff) * srcBpp, + srcBpp, + + tmp, + tmpStride, + 0, + + width * srcBpp, + height, + + fbAndStip(GXcopy,FB_ALLONES,FB_ALLONES), + fbXorStip(GXcopy,FB_ALLONES,FB_ALLONES), + fbAndStip(GXcopy,0,FB_ALLONES), + fbXorStip(GXcopy,0,FB_ALLONES), + bitplane); + fbBltOne (tmp, + tmpStride, + 0, + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + dstBpp, + + width * dstBpp, + height, + + pPriv->and, pPriv->xor, + pPriv->bgand, pPriv->bgxor); + free(tmp); + + fbFinishAccess (pDstDrawable); + fbFinishAccess (pSrcDrawable); + } + pbox++; + } +} + +RegionPtr +fbCopyArea (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + int xIn, + int yIn, + int widthSrc, + int heightSrc, + int xOut, + int yOut) +{ + miCopyProc copy; + + if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel) + copy = fb24_32CopyMtoN; + else + copy = fbCopyNtoN; + return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn, + widthSrc, heightSrc, xOut, yOut, copy, 0, 0); +} + +RegionPtr +fbCopyPlane (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + int xIn, + int yIn, + int widthSrc, + int heightSrc, + int xOut, + int yOut, + unsigned long bitplane) +{ + if (pSrcDrawable->bitsPerPixel > 1) + return miDoCopy (pSrcDrawable, pDstDrawable, pGC, + xIn, yIn, widthSrc, heightSrc, + xOut, yOut, fbCopyNto1, (Pixel) bitplane, 0); + else if (bitplane & 1) + return miDoCopy (pSrcDrawable, pDstDrawable, pGC, xIn, yIn, + widthSrc, heightSrc, xOut, yOut, fbCopy1toN, + (Pixel) bitplane, 0); + else + return miHandleExposures(pSrcDrawable, pDstDrawable, pGC, + xIn, yIn, + widthSrc, + heightSrc, + xOut, yOut, bitplane); +} diff --git a/xorg-server/fb/fbgc.c b/xorg-server/fb/fbgc.c index e9511b6c5..8108c3acb 100644 --- a/xorg-server/fb/fbgc.c +++ b/xorg-server/fb/fbgc.c @@ -1,307 +1,307 @@ -/*
- * 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"
-
-const GCFuncs fbGCFuncs = {
- fbValidateGC,
- miChangeGC,
- miCopyGC,
- miDestroyGC,
- miChangeClip,
- miDestroyClip,
- miCopyClip,
-};
-
-const GCOps fbGCOps = {
- fbFillSpans,
- fbSetSpans,
- fbPutImage,
- fbCopyArea,
- fbCopyPlane,
- fbPolyPoint,
- fbPolyLine,
- fbPolySegment,
- fbPolyRectangle,
- fbPolyArc,
- miFillPolygon,
- fbPolyFillRect,
- fbPolyFillArc,
- miPolyText8,
- miPolyText16,
- miImageText8,
- miImageText16,
- fbImageGlyphBlt,
- fbPolyGlyphBlt,
- fbPushPixels
-};
-
-Bool
-fbCreateGC(GCPtr pGC)
-{
- pGC->ops = (GCOps *) &fbGCOps;
- pGC->funcs = (GCFuncs *) &fbGCFuncs;
-
- /* fb wants to translate before scan conversion */
- pGC->miTranslate = 1;
- pGC->fExpose = 1;
-
- fbGetGCPrivate(pGC)->bpp = BitsPerPixel (pGC->depth);
- return TRUE;
-}
-
-/*
- * Pad pixmap to FB_UNIT bits wide
- */
-void
-fbPadPixmap (PixmapPtr pPixmap)
-{
- int width;
- FbBits *bits;
- FbBits b;
- FbBits mask;
- int height;
- int w;
- int stride;
- int bpp;
- _X_UNUSED int xOff, yOff;
-
- fbGetDrawable (&pPixmap->drawable, bits, stride, bpp, xOff, yOff);
-
- width = pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel;
- height = pPixmap->drawable.height;
- mask = FbBitsMask (0, width);
- while (height--)
- {
- b = READ(bits) & mask;
- w = width;
- while (w < FB_UNIT)
- {
- b = b | FbScrRight(b, w);
- w <<= 1;
- }
- WRITE(bits, b);
- bits += stride;
- }
-
- fbFinishAccess (&pPixmap->drawable);
-}
-
-/*
- * Verify that 'bits' repeats every 'len' bits
- */
-static Bool
-fbBitsRepeat (FbBits bits, int len, int width)
-{
- FbBits mask = FbBitsMask(0, len);
- FbBits orig = bits & mask;
- int i;
-
- if (width > FB_UNIT)
- width = FB_UNIT;
- for (i = 0; i < width / len; i++)
- {
- if ((bits & mask) != orig)
- return FALSE;
- bits = FbScrLeft(bits,len);
- }
- return TRUE;
-}
-
-/*
- * Check whether an entire bitmap line is a repetition of
- * the first 'len' bits
- */
-static Bool
-fbLineRepeat (FbBits *bits, int len, int width)
-{
- FbBits first = bits[0];
-
- if (!fbBitsRepeat (first, len, width))
- return FALSE;
- width = (width + FB_UNIT-1) >> FB_SHIFT;
- bits++;
- while (--width)
- if (READ(bits) != first)
- return FALSE;
- return TRUE;
-}
-
-/*
- * The even stipple code wants the first FB_UNIT/bpp bits on
- * each scanline to represent the entire stipple
- */
-static Bool
-fbCanEvenStipple (PixmapPtr pStipple, int bpp)
-{
- int len = FB_UNIT / bpp;
- FbBits *bits;
- int stride;
- int stip_bpp;
- _X_UNUSED int stipXoff, stipYoff;
- int h;
-
- /* can't even stipple 24bpp drawables */
- if ((bpp & (bpp-1)) != 0)
- return FALSE;
- /* make sure the stipple width is a multiple of the even stipple width */
- if (pStipple->drawable.width % len != 0)
- return FALSE;
- fbGetDrawable (&pStipple->drawable, bits, stride, stip_bpp, stipXoff, stipYoff);
- h = pStipple->drawable.height;
- /* check to see that the stipple repeats horizontally */
- while (h--)
- {
- if (!fbLineRepeat (bits, len, pStipple->drawable.width)) {
- fbFinishAccess (&pStipple->drawable);
- return FALSE;
- }
- bits += stride;
- }
- fbFinishAccess (&pStipple->drawable);
- return TRUE;
-}
-
-void
-fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- FbBits mask;
-
- /*
- * if the client clip is different or moved OR the subwindowMode has
- * changed OR the window's clip has changed since the last validation
- * we need to recompute the composite clip
- */
-
- if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) ||
- (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS))
- )
- {
- miComputeCompositeClip (pGC, pDrawable);
- }
-
- if (pPriv->bpp != pDrawable->bitsPerPixel)
- {
- changes |= GCStipple|GCForeground|GCBackground|GCPlaneMask;
- pPriv->bpp = pDrawable->bitsPerPixel;
- }
- if ((changes & GCTile) && fbGetRotatedPixmap(pGC))
- {
- (*pGC->pScreen->DestroyPixmap) (fbGetRotatedPixmap(pGC));
- fbGetRotatedPixmap(pGC) = 0;
- }
-
- if (pGC->fillStyle == FillTiled)
- {
- PixmapPtr pOldTile, pNewTile;
-
- pOldTile = pGC->tile.pixmap;
- if (pOldTile->drawable.bitsPerPixel != pDrawable->bitsPerPixel)
- {
- pNewTile = fbGetRotatedPixmap(pGC);
- if (!pNewTile || pNewTile ->drawable.bitsPerPixel != pDrawable->bitsPerPixel)
- {
- if (pNewTile)
- (*pGC->pScreen->DestroyPixmap) (pNewTile);
- pNewTile = fb24_32ReformatTile (pOldTile, pDrawable->bitsPerPixel);
- }
- if (pNewTile)
- {
- fbGetRotatedPixmap(pGC) = pOldTile;
- pGC->tile.pixmap = pNewTile;
- changes |= GCTile;
- }
- }
- }
- if (changes & GCTile)
- {
- if (!pGC->tileIsPixel &&
- FbEvenTile (pGC->tile.pixmap->drawable.width *
- pDrawable->bitsPerPixel))
- fbPadPixmap (pGC->tile.pixmap);
- }
- if (changes & GCStipple)
- {
- pPriv->evenStipple = FALSE;
-
- if (pGC->stipple) {
-
- /* can we do an even stipple ?? */
- if (FbEvenStip (pGC->stipple->drawable.width,
- pDrawable->bitsPerPixel) &&
- (fbCanEvenStipple (pGC->stipple, pDrawable->bitsPerPixel)))
- pPriv->evenStipple = TRUE;
-
- if (pGC->stipple->drawable.width * pDrawable->bitsPerPixel < FB_UNIT)
- fbPadPixmap (pGC->stipple);
- }
- }
- /*
- * Recompute reduced rop values
- */
- if (changes & (GCForeground|GCBackground|GCPlaneMask|GCFunction))
- {
- int s;
- FbBits depthMask;
-
- mask = FbFullMask(pDrawable->bitsPerPixel);
- depthMask = FbFullMask(pDrawable->depth);
-
- pPriv->fg = pGC->fgPixel & mask;
- pPriv->bg = pGC->bgPixel & mask;
-
- if ((pGC->planemask & depthMask) == depthMask)
- pPriv->pm = mask;
- else
- pPriv->pm = pGC->planemask & mask;
-
- s = pDrawable->bitsPerPixel;
- while (s < FB_UNIT)
- {
- pPriv->fg |= pPriv->fg << s;
- pPriv->bg |= pPriv->bg << s;
- pPriv->pm |= pPriv->pm << s;
- s <<= 1;
- }
- pPriv->and = fbAnd(pGC->alu, pPriv->fg, pPriv->pm);
- pPriv->xor = fbXor(pGC->alu, pPriv->fg, pPriv->pm);
- pPriv->bgand = fbAnd(pGC->alu, pPriv->bg, pPriv->pm);
- pPriv->bgxor = fbXor(pGC->alu, pPriv->bg, pPriv->pm);
- }
- if (changes & GCDashList)
- {
- unsigned short n = pGC->numInDashList;
- unsigned char *dash = pGC->dash;
- unsigned int dashLength = 0;
-
- while (n--)
- dashLength += (unsigned int ) *dash++;
- pPriv->dashLength = dashLength;
- }
-}
+/* + * 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" + +const GCFuncs fbGCFuncs = { + fbValidateGC, + miChangeGC, + miCopyGC, + miDestroyGC, + miChangeClip, + miDestroyClip, + miCopyClip, +}; + +const GCOps fbGCOps = { + fbFillSpans, + fbSetSpans, + fbPutImage, + fbCopyArea, + fbCopyPlane, + fbPolyPoint, + fbPolyLine, + fbPolySegment, + fbPolyRectangle, + fbPolyArc, + miFillPolygon, + fbPolyFillRect, + fbPolyFillArc, + miPolyText8, + miPolyText16, + miImageText8, + miImageText16, + fbImageGlyphBlt, + fbPolyGlyphBlt, + fbPushPixels +}; + +Bool +fbCreateGC(GCPtr pGC) +{ + pGC->ops = (GCOps *) &fbGCOps; + pGC->funcs = (GCFuncs *) &fbGCFuncs; + + /* fb wants to translate before scan conversion */ + pGC->miTranslate = 1; + pGC->fExpose = 1; + + fbGetGCPrivate(pGC)->bpp = BitsPerPixel (pGC->depth); + return TRUE; +} + +/* + * Pad pixmap to FB_UNIT bits wide + */ +void +fbPadPixmap (PixmapPtr pPixmap) +{ + int width; + FbBits *bits; + FbBits b; + FbBits mask; + int height; + int w; + int stride; + int bpp; + _X_UNUSED int xOff, yOff; + + fbGetDrawable (&pPixmap->drawable, bits, stride, bpp, xOff, yOff); + + width = pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel; + height = pPixmap->drawable.height; + mask = FbBitsMask (0, width); + while (height--) + { + b = READ(bits) & mask; + w = width; + while (w < FB_UNIT) + { + b = b | FbScrRight(b, w); + w <<= 1; + } + WRITE(bits, b); + bits += stride; + } + + fbFinishAccess (&pPixmap->drawable); +} + +/* + * Verify that 'bits' repeats every 'len' bits + */ +static Bool +fbBitsRepeat (FbBits bits, int len, int width) +{ + FbBits mask = FbBitsMask(0, len); + FbBits orig = bits & mask; + int i; + + if (width > FB_UNIT) + width = FB_UNIT; + for (i = 0; i < width / len; i++) + { + if ((bits & mask) != orig) + return FALSE; + bits = FbScrLeft(bits,len); + } + return TRUE; +} + +/* + * Check whether an entire bitmap line is a repetition of + * the first 'len' bits + */ +static Bool +fbLineRepeat (FbBits *bits, int len, int width) +{ + FbBits first = bits[0]; + + if (!fbBitsRepeat (first, len, width)) + return FALSE; + width = (width + FB_UNIT-1) >> FB_SHIFT; + bits++; + while (--width) + if (READ(bits) != first) + return FALSE; + return TRUE; +} + +/* + * The even stipple code wants the first FB_UNIT/bpp bits on + * each scanline to represent the entire stipple + */ +static Bool +fbCanEvenStipple (PixmapPtr pStipple, int bpp) +{ + int len = FB_UNIT / bpp; + FbBits *bits; + int stride; + int stip_bpp; + _X_UNUSED int stipXoff, stipYoff; + int h; + + /* can't even stipple 24bpp drawables */ + if ((bpp & (bpp-1)) != 0) + return FALSE; + /* make sure the stipple width is a multiple of the even stipple width */ + if (pStipple->drawable.width % len != 0) + return FALSE; + fbGetDrawable (&pStipple->drawable, bits, stride, stip_bpp, stipXoff, stipYoff); + h = pStipple->drawable.height; + /* check to see that the stipple repeats horizontally */ + while (h--) + { + if (!fbLineRepeat (bits, len, pStipple->drawable.width)) { + fbFinishAccess (&pStipple->drawable); + return FALSE; + } + bits += stride; + } + fbFinishAccess (&pStipple->drawable); + return TRUE; +} + +void +fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + FbBits mask; + + /* + * if the client clip is different or moved OR the subwindowMode has + * changed OR the window's clip has changed since the last validation + * we need to recompute the composite clip + */ + + if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) || + (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)) + ) + { + miComputeCompositeClip (pGC, pDrawable); + } + + if (pPriv->bpp != pDrawable->bitsPerPixel) + { + changes |= GCStipple|GCForeground|GCBackground|GCPlaneMask; + pPriv->bpp = pDrawable->bitsPerPixel; + } + if ((changes & GCTile) && fbGetRotatedPixmap(pGC)) + { + (*pGC->pScreen->DestroyPixmap) (fbGetRotatedPixmap(pGC)); + fbGetRotatedPixmap(pGC) = 0; + } + + if (pGC->fillStyle == FillTiled) + { + PixmapPtr pOldTile, pNewTile; + + pOldTile = pGC->tile.pixmap; + if (pOldTile->drawable.bitsPerPixel != pDrawable->bitsPerPixel) + { + pNewTile = fbGetRotatedPixmap(pGC); + if (!pNewTile || pNewTile ->drawable.bitsPerPixel != pDrawable->bitsPerPixel) + { + if (pNewTile) + (*pGC->pScreen->DestroyPixmap) (pNewTile); + pNewTile = fb24_32ReformatTile (pOldTile, pDrawable->bitsPerPixel); + } + if (pNewTile) + { + fbGetRotatedPixmap(pGC) = pOldTile; + pGC->tile.pixmap = pNewTile; + changes |= GCTile; + } + } + } + if (changes & GCTile) + { + if (!pGC->tileIsPixel && + FbEvenTile (pGC->tile.pixmap->drawable.width * + pDrawable->bitsPerPixel)) + fbPadPixmap (pGC->tile.pixmap); + } + if (changes & GCStipple) + { + pPriv->evenStipple = FALSE; + + if (pGC->stipple) { + + /* can we do an even stipple ?? */ + if (FbEvenStip (pGC->stipple->drawable.width, + pDrawable->bitsPerPixel) && + (fbCanEvenStipple (pGC->stipple, pDrawable->bitsPerPixel))) + pPriv->evenStipple = TRUE; + + if (pGC->stipple->drawable.width * pDrawable->bitsPerPixel < FB_UNIT) + fbPadPixmap (pGC->stipple); + } + } + /* + * Recompute reduced rop values + */ + if (changes & (GCForeground|GCBackground|GCPlaneMask|GCFunction)) + { + int s; + FbBits depthMask; + + mask = FbFullMask(pDrawable->bitsPerPixel); + depthMask = FbFullMask(pDrawable->depth); + + pPriv->fg = pGC->fgPixel & mask; + pPriv->bg = pGC->bgPixel & mask; + + if ((pGC->planemask & depthMask) == depthMask) + pPriv->pm = mask; + else + pPriv->pm = pGC->planemask & mask; + + s = pDrawable->bitsPerPixel; + while (s < FB_UNIT) + { + pPriv->fg |= pPriv->fg << s; + pPriv->bg |= pPriv->bg << s; + pPriv->pm |= pPriv->pm << s; + s <<= 1; + } + pPriv->and = fbAnd(pGC->alu, pPriv->fg, pPriv->pm); + pPriv->xor = fbXor(pGC->alu, pPriv->fg, pPriv->pm); + pPriv->bgand = fbAnd(pGC->alu, pPriv->bg, pPriv->pm); + pPriv->bgxor = fbXor(pGC->alu, pPriv->bg, pPriv->pm); + } + if (changes & GCDashList) + { + unsigned short n = pGC->numInDashList; + unsigned char *dash = pGC->dash; + unsigned int dashLength = 0; + + while (n--) + dashLength += (unsigned int ) *dash++; + pPriv->dashLength = dashLength; + } +} diff --git a/xorg-server/fb/fbgetsp.c b/xorg-server/fb/fbgetsp.c index 5c8396ac2..bf9f51eb4 100644 --- a/xorg-server/fb/fbgetsp.c +++ b/xorg-server/fb/fbgetsp.c @@ -1,85 +1,85 @@ -/*
- * 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 "fb.h"
-
-void
-fbGetSpans(DrawablePtr pDrawable,
- int wMax,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- char *pchardstStart)
-{
- FbBits *src, *dst;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- int xoff;
-
- /*
- * XFree86 DDX empties the root borderClip when the VT is
- * switched away; this checks for that case
- */
- if (!fbDrawableEnabled(pDrawable))
- return;
-
- if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
- {
- fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
- return;
- }
-
- fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-
- while (nspans--)
- {
- xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3));
- dst = (FbBits *) (pchardstStart - xoff);
- xoff <<= 3;
- fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride,
- (ppt->x + srcXoff) * srcBpp,
-
- dst,
- 1,
- xoff,
-
- *pwidth * srcBpp,
- 1,
-
- GXcopy,
- FB_ALLONES,
- srcBpp,
-
- FALSE,
- FALSE);
- pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
- ppt++;
- pwidth++;
- }
-
- fbFinishAccess (pDrawable);
-}
+/* + * 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 "fb.h" + +void +fbGetSpans(DrawablePtr pDrawable, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pchardstStart) +{ + FbBits *src, *dst; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + int xoff; + + /* + * XFree86 DDX empties the root borderClip when the VT is + * switched away; this checks for that case + */ + if (!fbDrawableEnabled(pDrawable)) + return; + + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart); + return; + } + + fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + + while (nspans--) + { + xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3)); + dst = (FbBits *) (pchardstStart - xoff); + xoff <<= 3; + fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride, + (ppt->x + srcXoff) * srcBpp, + + dst, + 1, + xoff, + + *pwidth * srcBpp, + 1, + + GXcopy, + FB_ALLONES, + srcBpp, + + FALSE, + FALSE); + pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + + fbFinishAccess (pDrawable); +} diff --git a/xorg-server/fb/fbglyph.c b/xorg-server/fb/fbglyph.c index 879ef4223..643cf909f 100644 --- a/xorg-server/fb/fbglyph.c +++ b/xorg-server/fb/fbglyph.c @@ -1,461 +1,461 @@ -/*
- *
- * 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 "fb.h"
-#include <X11/fonts/fontstruct.h>
-#include "dixfontstr.h"
-
-Bool
-fbGlyphIn (RegionPtr pRegion,
- int x,
- int y,
- int width,
- int height)
-{
- BoxRec box;
- BoxPtr pExtents = RegionExtents(pRegion);
-
- /*
- * Check extents by hand to avoid 16 bit overflows
- */
- if (x < (int) pExtents->x1)
- return FALSE;
- if ((int) pExtents->x2 < x + width)
- return FALSE;
- if (y < (int) pExtents->y1)
- return FALSE;
- if ((int) pExtents->y2 < y + height)
- return FALSE;
- box.x1 = x;
- box.x2 = x + width;
- box.y1 = y;
- box.y2 = y + height;
- return RegionContainsRect(pRegion, &box) == rgnIN;
-}
-
-
-#define WRITE1(d,n,fg) WRITE((d) + (n), (CARD8) fg)
-#define WRITE2(d,n,fg) WRITE((CARD16 *) &(d[n]), (CARD16) fg)
-#define WRITE4(d,n,fg) WRITE((CARD32 *) &(d[n]), (CARD32) fg)
-#if FB_UNIT == 6 && IMAGE_BYTE_ORDER == LSBFirst
-#define WRITE8(d) WRITE((FbBits *) &(d[0]), fg)
-#else
-#define WRITE8(d) WRITE4(d,0,_ABCA), WRITE4(d,4,_BCAB)
-#endif
-
-/*
- * This is a bit tricky, but it's brief. Write 12 bytes worth
- * of dest, which is four pixels, at a time. This gives constant
- * code for each pattern as they're always aligned the same
- *
- * a b c d a b c d a b c d bytes
- * A B C A B C A B C A B C pixels
- *
- * f0 f1 f2
- * A B C A B C A B C A B C pixels LSB
- * C A B C A B C A B C A B pixels MSB
- *
- * LSB MSB
- * A f0 f1
- * B f1 f2
- * C f2 f0
- * A B f0 f2
- * B C f1 f0
- * C A f2 f1
- * A B C A f0 f1
- * B C A B f1 f2
- * C A B C f2 f0
- */
-
-#undef _A
-#undef _B
-#undef _C
-#undef _AB
-#undef _BC
-#undef _CA
-#undef _ABCA
-#undef _BCAB
-#undef _CABC
-
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define _A f1
-#define _B f2
-#define _C f0
-#define _AB f2
-#define _BC f0
-#define _CA f1
-#define _ABCA f1
-#define _BCAB f2
-#define _CABC f0
-#define CASE(a,b,c,d) ((a << 3) | (b << 2) | (c << 1) | d)
-#else
-#define _A f0
-#define _B f1
-#define _C f2
-#define _AB f0
-#define _BC f1
-#define _CA f2
-#define _ABCA f0
-#define _BCAB f1
-#define _CABC f2
-#define CASE(a,b,c,d) (a | (b << 1) | (c << 2) | (d << 3))
-#endif
-
-void
-fbGlyph24 (FbBits *dstBits,
- FbStride dstStride,
- int dstBpp,
- FbStip *stipple,
- FbBits fg,
- int x,
- int height)
-{
- int lshift;
- FbStip bits;
- CARD8 *dstLine;
- CARD8 *dst;
- FbStip f0, f1, f2;
- int n;
- int shift;
-
- f0 = fg;
- f1 = FbRot24(f0,16);
- f2 = FbRot24(f0,8);
-
- dstLine = (CARD8 *) dstBits;
- dstLine += (x & ~3) * 3;
- dstStride *= (sizeof (FbBits) / sizeof (CARD8));
- shift = x & 3;
- lshift = 4 - shift;
- while (height--)
- {
- bits = READ(stipple++);
- n = lshift;
- dst = dstLine;
- while (bits)
- {
- switch (FbStipMoveLsb (FbLeftStipBits (bits, n), 4, n)) {
- case CASE(0,0,0,0):
- break;
- case CASE(1,0,0,0):
- WRITE2(dst,0,_AB);
- WRITE1(dst,2,_C);
- break;
- case CASE(0,1,0,0):
- WRITE1(dst,3,_A);
- WRITE2(dst,4,_BC);
- break;
- case CASE(1,1,0,0):
- WRITE4(dst,0,_ABCA);
- WRITE2(dst,4,_BC);
- break;
- case CASE(0,0,1,0):
- WRITE2(dst,6,_AB);
- WRITE1(dst,8,_C);
- break;
- case CASE(1,0,1,0):
- WRITE2(dst,0,_AB);
- WRITE1(dst,2,_C);
-
- WRITE2(dst,6,_AB);
- WRITE1(dst,8,_C);
- break;
- case CASE(0,1,1,0):
- WRITE1(dst,3,_A);
- WRITE4(dst,4,_BCAB);
- WRITE1(dst,8,_C);
- break;
- case CASE(1,1,1,0):
- WRITE8(dst);
- WRITE1(dst,8,_C);
- break;
- case CASE(0,0,0,1):
- WRITE1(dst,9,_A);
- WRITE2(dst,10,_BC);
- break;
- case CASE(1,0,0,1):
- WRITE2(dst,0,_AB);
- WRITE1(dst,2,_C);
-
- WRITE1(dst,9,_A);
- WRITE2(dst,10,_BC);
- break;
- case CASE(0,1,0,1):
- WRITE1(dst,3,_A);
- WRITE2(dst,4,_BC);
-
- WRITE1(dst,9,_A);
- WRITE2(dst,10,_BC);
- break;
- case CASE(1,1,0,1):
- WRITE4(dst,0,_ABCA);
- WRITE2(dst,4,_BC);
-
- WRITE1(dst,9,_A);
- WRITE2(dst,10,_BC);
- break;
- case CASE(0,0,1,1):
- WRITE2(dst,6,_AB);
- WRITE4(dst,8,_CABC);
- break;
- case CASE(1,0,1,1):
- WRITE2(dst,0,_AB);
- WRITE1(dst,2,_C);
-
- WRITE2(dst,6,_AB);
- WRITE4(dst,8,_CABC);
- break;
- case CASE(0,1,1,1):
- WRITE1(dst,3,_A);
- WRITE4(dst,4,_BCAB);
- WRITE4(dst,8,_CABC);
- break;
- case CASE(1,1,1,1):
- WRITE8(dst);
- WRITE4(dst,8,_CABC);
- break;
- }
- bits = FbStipLeft (bits, n);
- n = 4;
- dst += 12;
- }
- dstLine += dstStride;
- }
-}
-
-void
-fbPolyGlyphBlt (DrawablePtr pDrawable,
- GCPtr pGC,
- int x,
- int y,
- unsigned int nglyph,
- CharInfoPtr *ppci,
- pointer pglyphBase)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- CharInfoPtr pci;
- unsigned char *pglyph; /* pointer bits in glyph */
- int gx, gy;
- int gWidth, gHeight; /* width and height of glyph */
- FbStride gStride; /* stride of glyph */
- void (*glyph) (FbBits *,
- FbStride,
- int,
- FbStip *,
- FbBits,
- int,
- int);
- FbBits *dst = 0;
- FbStride dstStride = 0;
- int dstBpp = 0;
- int dstXoff = 0, dstYoff = 0;
-
- glyph = 0;
- if (pGC->fillStyle == FillSolid && pPriv->and == 0)
- {
- dstBpp = pDrawable->bitsPerPixel;
- switch (dstBpp) {
- case 8: glyph = fbGlyph8; break;
- case 16: glyph = fbGlyph16; break;
- case 24: glyph = fbGlyph24; break;
- case 32: glyph = fbGlyph32; break;
- }
- }
- x += pDrawable->x;
- y += pDrawable->y;
-
- while (nglyph--)
- {
- pci = *ppci++;
- pglyph = FONTGLYPHBITS(pglyphBase, pci);
- gWidth = GLYPHWIDTHPIXELS(pci);
- gHeight = GLYPHHEIGHTPIXELS(pci);
- if (gWidth && gHeight)
- {
- gx = x + pci->metrics.leftSideBearing;
- gy = y - pci->metrics.ascent;
- if (glyph && gWidth <= sizeof (FbStip) * 8 &&
- fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
- {
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- (*glyph) (dst + (gy + dstYoff) * dstStride,
- dstStride,
- dstBpp,
- (FbStip *) pglyph,
- pPriv->xor,
- gx + dstXoff,
- gHeight);
- fbFinishAccess (pDrawable);
- }
- else
- {
- gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
- fbPushImage (pDrawable,
- pGC,
-
- (FbStip *) pglyph,
- gStride,
- 0,
-
- gx,
- gy,
- gWidth, gHeight);
- }
- }
- x += pci->metrics.characterWidth;
- }
-}
-
-
-void
-fbImageGlyphBlt (DrawablePtr pDrawable,
- GCPtr pGC,
- int x,
- int y,
- unsigned int nglyph,
- CharInfoPtr *ppciInit,
- pointer pglyphBase)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- CharInfoPtr *ppci;
- CharInfoPtr pci;
- unsigned char *pglyph; /* pointer bits in glyph */
- int gWidth, gHeight; /* width and height of glyph */
- FbStride gStride; /* stride of glyph */
- Bool opaque;
- int n;
- int gx, gy;
- void (*glyph) (FbBits *,
- FbStride,
- int,
- FbStip *,
- FbBits,
- int,
- int);
- FbBits *dst = 0;
- FbStride dstStride = 0;
- int dstBpp = 0;
- int dstXoff = 0, dstYoff = 0;
-
- glyph = 0;
- if (pPriv->and == 0)
- {
- dstBpp = pDrawable->bitsPerPixel;
- switch (dstBpp) {
- case 8: glyph = fbGlyph8; break;
- case 16: glyph = fbGlyph16; break;
- case 24: glyph = fbGlyph24; break;
- case 32: glyph = fbGlyph32; break;
- }
- }
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- if (TERMINALFONT (pGC->font)
- && !glyph
- )
- {
- opaque = TRUE;
- }
- else
- {
- int xBack, widthBack;
- int yBack, heightBack;
-
- ppci = ppciInit;
- n = nglyph;
- widthBack = 0;
- while (n--)
- widthBack += (*ppci++)->metrics.characterWidth;
-
- xBack = x;
- if (widthBack < 0)
- {
- xBack += widthBack;
- widthBack = -widthBack;
- }
- yBack = y - FONTASCENT(pGC->font);
- heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
- fbSolidBoxClipped (pDrawable,
- fbGetCompositeClip(pGC),
- xBack,
- yBack,
- xBack + widthBack,
- yBack + heightBack,
- fbAnd(GXcopy,pPriv->bg,pPriv->pm),
- fbXor(GXcopy,pPriv->bg,pPriv->pm));
- opaque = FALSE;
- }
-
- ppci = ppciInit;
- while (nglyph--)
- {
- pci = *ppci++;
- pglyph = FONTGLYPHBITS(pglyphBase, pci);
- gWidth = GLYPHWIDTHPIXELS(pci);
- gHeight = GLYPHHEIGHTPIXELS(pci);
- if (gWidth && gHeight)
- {
- gx = x + pci->metrics.leftSideBearing;
- gy = y - pci->metrics.ascent;
- if (glyph && gWidth <= sizeof (FbStip) * 8 &&
- fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
- {
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- (*glyph) (dst + (gy + dstYoff) * dstStride,
- dstStride,
- dstBpp,
- (FbStip *) pglyph,
- pPriv->fg,
- gx + dstXoff,
- gHeight);
- fbFinishAccess (pDrawable);
- }
- else
- {
- gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
- fbPutXYImage (pDrawable,
- fbGetCompositeClip(pGC),
- pPriv->fg,
- pPriv->bg,
- pPriv->pm,
- GXcopy,
- opaque,
-
- gx,
- gy,
- gWidth, gHeight,
-
- (FbStip *) pglyph,
- gStride,
- 0);
- }
- }
- x += pci->metrics.characterWidth;
- }
-}
+/* + * + * 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 "fb.h" +#include <X11/fonts/fontstruct.h> +#include "dixfontstr.h" + +Bool +fbGlyphIn (RegionPtr pRegion, + int x, + int y, + int width, + int height) +{ + BoxRec box; + BoxPtr pExtents = RegionExtents(pRegion); + + /* + * Check extents by hand to avoid 16 bit overflows + */ + if (x < (int) pExtents->x1) + return FALSE; + if ((int) pExtents->x2 < x + width) + return FALSE; + if (y < (int) pExtents->y1) + return FALSE; + if ((int) pExtents->y2 < y + height) + return FALSE; + box.x1 = x; + box.x2 = x + width; + box.y1 = y; + box.y2 = y + height; + return RegionContainsRect(pRegion, &box) == rgnIN; +} + + +#define WRITE1(d,n,fg) WRITE((d) + (n), (CARD8) fg) +#define WRITE2(d,n,fg) WRITE((CARD16 *) &(d[n]), (CARD16) fg) +#define WRITE4(d,n,fg) WRITE((CARD32 *) &(d[n]), (CARD32) fg) +#if FB_UNIT == 6 && IMAGE_BYTE_ORDER == LSBFirst +#define WRITE8(d) WRITE((FbBits *) &(d[0]), fg) +#else +#define WRITE8(d) WRITE4(d,0,_ABCA), WRITE4(d,4,_BCAB) +#endif + +/* + * This is a bit tricky, but it's brief. Write 12 bytes worth + * of dest, which is four pixels, at a time. This gives constant + * code for each pattern as they're always aligned the same + * + * a b c d a b c d a b c d bytes + * A B C A B C A B C A B C pixels + * + * f0 f1 f2 + * A B C A B C A B C A B C pixels LSB + * C A B C A B C A B C A B pixels MSB + * + * LSB MSB + * A f0 f1 + * B f1 f2 + * C f2 f0 + * A B f0 f2 + * B C f1 f0 + * C A f2 f1 + * A B C A f0 f1 + * B C A B f1 f2 + * C A B C f2 f0 + */ + +#undef _A +#undef _B +#undef _C +#undef _AB +#undef _BC +#undef _CA +#undef _ABCA +#undef _BCAB +#undef _CABC + +#if IMAGE_BYTE_ORDER == MSBFirst +#define _A f1 +#define _B f2 +#define _C f0 +#define _AB f2 +#define _BC f0 +#define _CA f1 +#define _ABCA f1 +#define _BCAB f2 +#define _CABC f0 +#define CASE(a,b,c,d) ((a << 3) | (b << 2) | (c << 1) | d) +#else +#define _A f0 +#define _B f1 +#define _C f2 +#define _AB f0 +#define _BC f1 +#define _CA f2 +#define _ABCA f0 +#define _BCAB f1 +#define _CABC f2 +#define CASE(a,b,c,d) (a | (b << 1) | (c << 2) | (d << 3)) +#endif + +void +fbGlyph24 (FbBits *dstBits, + FbStride dstStride, + int dstBpp, + FbStip *stipple, + FbBits fg, + int x, + int height) +{ + int lshift; + FbStip bits; + CARD8 *dstLine; + CARD8 *dst; + FbStip f0, f1, f2; + int n; + int shift; + + f0 = fg; + f1 = FbRot24(f0,16); + f2 = FbRot24(f0,8); + + dstLine = (CARD8 *) dstBits; + dstLine += (x & ~3) * 3; + dstStride *= (sizeof (FbBits) / sizeof (CARD8)); + shift = x & 3; + lshift = 4 - shift; + while (height--) + { + bits = READ(stipple++); + n = lshift; + dst = dstLine; + while (bits) + { + switch (FbStipMoveLsb (FbLeftStipBits (bits, n), 4, n)) { + case CASE(0,0,0,0): + break; + case CASE(1,0,0,0): + WRITE2(dst,0,_AB); + WRITE1(dst,2,_C); + break; + case CASE(0,1,0,0): + WRITE1(dst,3,_A); + WRITE2(dst,4,_BC); + break; + case CASE(1,1,0,0): + WRITE4(dst,0,_ABCA); + WRITE2(dst,4,_BC); + break; + case CASE(0,0,1,0): + WRITE2(dst,6,_AB); + WRITE1(dst,8,_C); + break; + case CASE(1,0,1,0): + WRITE2(dst,0,_AB); + WRITE1(dst,2,_C); + + WRITE2(dst,6,_AB); + WRITE1(dst,8,_C); + break; + case CASE(0,1,1,0): + WRITE1(dst,3,_A); + WRITE4(dst,4,_BCAB); + WRITE1(dst,8,_C); + break; + case CASE(1,1,1,0): + WRITE8(dst); + WRITE1(dst,8,_C); + break; + case CASE(0,0,0,1): + WRITE1(dst,9,_A); + WRITE2(dst,10,_BC); + break; + case CASE(1,0,0,1): + WRITE2(dst,0,_AB); + WRITE1(dst,2,_C); + + WRITE1(dst,9,_A); + WRITE2(dst,10,_BC); + break; + case CASE(0,1,0,1): + WRITE1(dst,3,_A); + WRITE2(dst,4,_BC); + + WRITE1(dst,9,_A); + WRITE2(dst,10,_BC); + break; + case CASE(1,1,0,1): + WRITE4(dst,0,_ABCA); + WRITE2(dst,4,_BC); + + WRITE1(dst,9,_A); + WRITE2(dst,10,_BC); + break; + case CASE(0,0,1,1): + WRITE2(dst,6,_AB); + WRITE4(dst,8,_CABC); + break; + case CASE(1,0,1,1): + WRITE2(dst,0,_AB); + WRITE1(dst,2,_C); + + WRITE2(dst,6,_AB); + WRITE4(dst,8,_CABC); + break; + case CASE(0,1,1,1): + WRITE1(dst,3,_A); + WRITE4(dst,4,_BCAB); + WRITE4(dst,8,_CABC); + break; + case CASE(1,1,1,1): + WRITE8(dst); + WRITE4(dst,8,_CABC); + break; + } + bits = FbStipLeft (bits, n); + n = 4; + dst += 12; + } + dstLine += dstStride; + } +} + +void +fbPolyGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppci, + pointer pglyphBase) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + CharInfoPtr pci; + unsigned char *pglyph; /* pointer bits in glyph */ + int gx, gy; + int gWidth, gHeight; /* width and height of glyph */ + FbStride gStride; /* stride of glyph */ + void (*glyph) (FbBits *, + FbStride, + int, + FbStip *, + FbBits, + int, + int); + FbBits *dst = 0; + FbStride dstStride = 0; + int dstBpp = 0; + int dstXoff = 0, dstYoff = 0; + + glyph = 0; + if (pGC->fillStyle == FillSolid && pPriv->and == 0) + { + dstBpp = pDrawable->bitsPerPixel; + switch (dstBpp) { + case 8: glyph = fbGlyph8; break; + case 16: glyph = fbGlyph16; break; + case 24: glyph = fbGlyph24; break; + case 32: glyph = fbGlyph32; break; + } + } + x += pDrawable->x; + y += pDrawable->y; + + while (nglyph--) + { + pci = *ppci++; + pglyph = FONTGLYPHBITS(pglyphBase, pci); + gWidth = GLYPHWIDTHPIXELS(pci); + gHeight = GLYPHHEIGHTPIXELS(pci); + if (gWidth && gHeight) + { + gx = x + pci->metrics.leftSideBearing; + gy = y - pci->metrics.ascent; + if (glyph && gWidth <= sizeof (FbStip) * 8 && + fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight)) + { + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + (*glyph) (dst + (gy + dstYoff) * dstStride, + dstStride, + dstBpp, + (FbStip *) pglyph, + pPriv->xor, + gx + dstXoff, + gHeight); + fbFinishAccess (pDrawable); + } + else + { + gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip); + fbPushImage (pDrawable, + pGC, + + (FbStip *) pglyph, + gStride, + 0, + + gx, + gy, + gWidth, gHeight); + } + } + x += pci->metrics.characterWidth; + } +} + + +void +fbImageGlyphBlt (DrawablePtr pDrawable, + GCPtr pGC, + int x, + int y, + unsigned int nglyph, + CharInfoPtr *ppciInit, + pointer pglyphBase) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + CharInfoPtr *ppci; + CharInfoPtr pci; + unsigned char *pglyph; /* pointer bits in glyph */ + int gWidth, gHeight; /* width and height of glyph */ + FbStride gStride; /* stride of glyph */ + Bool opaque; + int n; + int gx, gy; + void (*glyph) (FbBits *, + FbStride, + int, + FbStip *, + FbBits, + int, + int); + FbBits *dst = 0; + FbStride dstStride = 0; + int dstBpp = 0; + int dstXoff = 0, dstYoff = 0; + + glyph = 0; + if (pPriv->and == 0) + { + dstBpp = pDrawable->bitsPerPixel; + switch (dstBpp) { + case 8: glyph = fbGlyph8; break; + case 16: glyph = fbGlyph16; break; + case 24: glyph = fbGlyph24; break; + case 32: glyph = fbGlyph32; break; + } + } + + x += pDrawable->x; + y += pDrawable->y; + + if (TERMINALFONT (pGC->font) + && !glyph + ) + { + opaque = TRUE; + } + else + { + int xBack, widthBack; + int yBack, heightBack; + + ppci = ppciInit; + n = nglyph; + widthBack = 0; + while (n--) + widthBack += (*ppci++)->metrics.characterWidth; + + xBack = x; + if (widthBack < 0) + { + xBack += widthBack; + widthBack = -widthBack; + } + yBack = y - FONTASCENT(pGC->font); + heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + fbSolidBoxClipped (pDrawable, + fbGetCompositeClip(pGC), + xBack, + yBack, + xBack + widthBack, + yBack + heightBack, + fbAnd(GXcopy,pPriv->bg,pPriv->pm), + fbXor(GXcopy,pPriv->bg,pPriv->pm)); + opaque = FALSE; + } + + ppci = ppciInit; + while (nglyph--) + { + pci = *ppci++; + pglyph = FONTGLYPHBITS(pglyphBase, pci); + gWidth = GLYPHWIDTHPIXELS(pci); + gHeight = GLYPHHEIGHTPIXELS(pci); + if (gWidth && gHeight) + { + gx = x + pci->metrics.leftSideBearing; + gy = y - pci->metrics.ascent; + if (glyph && gWidth <= sizeof (FbStip) * 8 && + fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight)) + { + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + (*glyph) (dst + (gy + dstYoff) * dstStride, + dstStride, + dstBpp, + (FbStip *) pglyph, + pPriv->fg, + gx + dstXoff, + gHeight); + fbFinishAccess (pDrawable); + } + else + { + gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip); + fbPutXYImage (pDrawable, + fbGetCompositeClip(pGC), + pPriv->fg, + pPriv->bg, + pPriv->pm, + GXcopy, + opaque, + + gx, + gy, + gWidth, gHeight, + + (FbStip *) pglyph, + gStride, + 0); + } + } + x += pci->metrics.characterWidth; + } +} diff --git a/xorg-server/fb/fbimage.c b/xorg-server/fb/fbimage.c index 5cbc56d2b..63978cc3b 100644 --- a/xorg-server/fb/fbimage.c +++ b/xorg-server/fb/fbimage.c @@ -1,364 +1,364 @@ -/*
- * 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 <string.h>
-
-#include "fb.h"
-
-void
-fbPutImage (DrawablePtr pDrawable,
- GCPtr pGC,
- int depth,
- int x,
- int y,
- int w,
- int h,
- int leftPad,
- int format,
- char *pImage)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- unsigned long i;
- FbStride srcStride;
- FbStip *src = (FbStip *) pImage;
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- switch (format)
- {
- case XYBitmap:
- srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
- fbPutXYImage (pDrawable,
- fbGetCompositeClip(pGC),
- pPriv->fg,
- pPriv->bg,
- pPriv->pm,
- pGC->alu,
- TRUE,
- x, y, w, h,
- src,
- srcStride,
- leftPad);
- break;
- case XYPixmap:
- srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
- for (i = (unsigned long)1 << (pDrawable->depth - 1); i; i >>= 1)
- {
- if (i & pGC->planemask)
- {
- fbPutXYImage (pDrawable,
- fbGetCompositeClip(pGC),
- FB_ALLONES,
- 0,
- fbReplicatePixel (i, pDrawable->bitsPerPixel),
- pGC->alu,
- TRUE,
- x, y, w, h,
- src,
- srcStride,
- leftPad);
- src += srcStride * h;
- }
- }
- break;
- case ZPixmap:
- if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
- {
- srcStride = PixmapBytePad(w, pDrawable->depth);
- fb24_32PutZImage (pDrawable,
- fbGetCompositeClip(pGC),
- pGC->alu,
- (FbBits) pGC->planemask,
- x, y, w, h,
- (CARD8 *) pImage,
- srcStride);
- }
- else
- {
- srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof (FbStip);
- fbPutZImage (pDrawable,
- fbGetCompositeClip(pGC),
- pGC->alu,
- pPriv->pm,
- x, y, w, h,
- src, srcStride);
- }
- }
-}
-
-void
-fbPutZImage (DrawablePtr pDrawable,
- RegionPtr pClip,
- int alu,
- FbBits pm,
- int x,
- int y,
- int width,
- int height,
- FbStip *src,
- FbStride srcStride)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int nbox;
- BoxPtr pbox;
- int x1, y1, x2, y2;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- 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;
- fbBltStip (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) * dstBpp,
-
- dst + (y1 + dstYoff) * dstStride,
- dstStride,
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- alu,
- pm,
- dstBpp);
- }
-
- fbFinishAccess (pDrawable);
-}
-
-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)
-{
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int nbox;
- BoxPtr pbox;
- int x1, y1, x2, y2;
- FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0;
-
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- if (dstBpp == 1)
- {
- if (opaque)
- alu = FbOpaqueStipple1Rop(alu,fg,bg);
- else
- alu = FbStipple1Rop(alu,fg);
- }
- else
- {
- fgand = fbAnd(alu,fg,pm);
- fgxor = fbXor(alu,fg,pm);
- if (opaque)
- {
- bgand = fbAnd(alu,bg,pm);
- bgxor = fbXor(alu,bg,pm);
- }
- else
- {
- bgand = fbAnd(GXnoop,(FbBits)0,FB_ALLONES);
- bgxor = fbXor(GXnoop,(FbBits)0,FB_ALLONES);
- }
- }
-
- 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;
- if (dstBpp == 1)
- {
- fbBltStip (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) + srcX,
-
- (FbStip *) (dst + (y1 + dstYoff) * dstStride),
- FbBitsStrideToStipStride(dstStride),
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- alu,
- pm,
- dstBpp);
- }
- else
- {
- fbBltOne (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) + srcX,
-
- dst + (y1 + dstYoff) * dstStride,
- dstStride,
- (x1 + dstXoff) * dstBpp,
- dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- fgand, fgxor, bgand, bgxor);
- }
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fbGetImage (DrawablePtr pDrawable,
- int x,
- int y,
- int w,
- int h,
- unsigned int format,
- unsigned long planeMask,
- char *d)
-{
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbStip *dst;
- FbStride dstStride;
-
- /*
- * XFree86 DDX empties the root borderClip when the VT is
- * switched away; this checks for that case
- */
- if (!fbDrawableEnabled(pDrawable))
- return;
-
- if (format == ZPixmap &&
- pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth))
- {
- fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d);
- return;
- }
-
- fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- dst = (FbStip *) d;
- if (format == ZPixmap || srcBpp == 1)
- {
- FbBits pm;
-
- pm = fbReplicatePixel (planeMask, srcBpp);
- dstStride = PixmapBytePad(w, pDrawable->depth);
- if (pm != FB_ALLONES)
- memset (d, 0, dstStride * h);
- dstStride /= sizeof (FbStip);
- fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride),
- FbBitsStrideToStipStride(srcStride),
- (x + srcXoff) * srcBpp,
-
- dst,
- dstStride,
- 0,
-
- w * srcBpp, h,
-
- GXcopy,
- pm,
- srcBpp);
- }
- else
- {
- dstStride = BitmapBytePad(w) / sizeof (FbStip);
- fbBltPlane (src + (y + srcYoff) * srcStride,
- srcStride,
- (x + srcXoff) * srcBpp,
- srcBpp,
-
- dst,
- dstStride,
- 0,
-
- w * srcBpp, h,
-
- fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
- fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
- fbAndStip(GXcopy,0,FB_STIP_ALLONES),
- fbXorStip(GXcopy,0,FB_STIP_ALLONES),
- planeMask);
- }
-
- fbFinishAccess (pDrawable);
-}
+/* + * 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 <string.h> + +#include "fb.h" + +void +fbPutImage (DrawablePtr pDrawable, + GCPtr pGC, + int depth, + int x, + int y, + int w, + int h, + int leftPad, + int format, + char *pImage) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + unsigned long i; + FbStride srcStride; + FbStip *src = (FbStip *) pImage; + + x += pDrawable->x; + y += pDrawable->y; + + switch (format) + { + case XYBitmap: + srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip); + fbPutXYImage (pDrawable, + fbGetCompositeClip(pGC), + pPriv->fg, + pPriv->bg, + pPriv->pm, + pGC->alu, + TRUE, + x, y, w, h, + src, + srcStride, + leftPad); + break; + case XYPixmap: + srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip); + for (i = (unsigned long)1 << (pDrawable->depth - 1); i; i >>= 1) + { + if (i & pGC->planemask) + { + fbPutXYImage (pDrawable, + fbGetCompositeClip(pGC), + FB_ALLONES, + 0, + fbReplicatePixel (i, pDrawable->bitsPerPixel), + pGC->alu, + TRUE, + x, y, w, h, + src, + srcStride, + leftPad); + src += srcStride * h; + } + } + break; + case ZPixmap: + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + srcStride = PixmapBytePad(w, pDrawable->depth); + fb24_32PutZImage (pDrawable, + fbGetCompositeClip(pGC), + pGC->alu, + (FbBits) pGC->planemask, + x, y, w, h, + (CARD8 *) pImage, + srcStride); + } + else + { + srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof (FbStip); + fbPutZImage (pDrawable, + fbGetCompositeClip(pGC), + pGC->alu, + pPriv->pm, + x, y, w, h, + src, srcStride); + } + } +} + +void +fbPutZImage (DrawablePtr pDrawable, + RegionPtr pClip, + int alu, + FbBits pm, + int x, + int y, + int width, + int height, + FbStip *src, + FbStride srcStride) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int nbox; + BoxPtr pbox; + int x1, y1, x2, y2; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + 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; + fbBltStip (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) * dstBpp, + + dst + (y1 + dstYoff) * dstStride, + dstStride, + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + alu, + pm, + dstBpp); + } + + fbFinishAccess (pDrawable); +} + +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) +{ + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int nbox; + BoxPtr pbox; + int x1, y1, x2, y2; + FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0; + + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + if (dstBpp == 1) + { + if (opaque) + alu = FbOpaqueStipple1Rop(alu,fg,bg); + else + alu = FbStipple1Rop(alu,fg); + } + else + { + fgand = fbAnd(alu,fg,pm); + fgxor = fbXor(alu,fg,pm); + if (opaque) + { + bgand = fbAnd(alu,bg,pm); + bgxor = fbXor(alu,bg,pm); + } + else + { + bgand = fbAnd(GXnoop,(FbBits)0,FB_ALLONES); + bgxor = fbXor(GXnoop,(FbBits)0,FB_ALLONES); + } + } + + 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; + if (dstBpp == 1) + { + fbBltStip (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) + srcX, + + (FbStip *) (dst + (y1 + dstYoff) * dstStride), + FbBitsStrideToStipStride(dstStride), + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + alu, + pm, + dstBpp); + } + else + { + fbBltOne (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) + srcX, + + dst + (y1 + dstYoff) * dstStride, + dstStride, + (x1 + dstXoff) * dstBpp, + dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + fgand, fgxor, bgand, bgxor); + } + } + + fbFinishAccess (pDrawable); +} + +void +fbGetImage (DrawablePtr pDrawable, + int x, + int y, + int w, + int h, + unsigned int format, + unsigned long planeMask, + char *d) +{ + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbStip *dst; + FbStride dstStride; + + /* + * XFree86 DDX empties the root borderClip when the VT is + * switched away; this checks for that case + */ + if (!fbDrawableEnabled(pDrawable)) + return; + + if (format == ZPixmap && + pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth)) + { + fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d); + return; + } + + fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + + x += pDrawable->x; + y += pDrawable->y; + + dst = (FbStip *) d; + if (format == ZPixmap || srcBpp == 1) + { + FbBits pm; + + pm = fbReplicatePixel (planeMask, srcBpp); + dstStride = PixmapBytePad(w, pDrawable->depth); + if (pm != FB_ALLONES) + memset (d, 0, dstStride * h); + dstStride /= sizeof (FbStip); + fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride), + FbBitsStrideToStipStride(srcStride), + (x + srcXoff) * srcBpp, + + dst, + dstStride, + 0, + + w * srcBpp, h, + + GXcopy, + pm, + srcBpp); + } + else + { + dstStride = BitmapBytePad(w) / sizeof (FbStip); + fbBltPlane (src + (y + srcYoff) * srcStride, + srcStride, + (x + srcXoff) * srcBpp, + srcBpp, + + dst, + dstStride, + 0, + + w * srcBpp, h, + + fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES), + fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES), + fbAndStip(GXcopy,0,FB_STIP_ALLONES), + fbXorStip(GXcopy,0,FB_STIP_ALLONES), + planeMask); + } + + fbFinishAccess (pDrawable); +} diff --git a/xorg-server/fb/fbline.c b/xorg-server/fb/fbline.c index 33a25f7f5..e290bf886 100644 --- a/xorg-server/fb/fbline.c +++ b/xorg-server/fb/fbline.c @@ -1,167 +1,167 @@ -/*
- * 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 "fb.h"
-
-void
-fbZeroLine (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- int x1, y1, x2, y2;
- int x, y;
- int dashOffset;
-
- x = pDrawable->x;
- y = pDrawable->y;
- x1 = ppt->x;
- y1 = ppt->y;
- dashOffset = pGC->dashOffset;
- while (--npt)
- {
- ++ppt;
- x2 = ppt->x;
- y2 = ppt->y;
- if (mode == CoordModePrevious)
- {
- x2 += x1;
- y2 += y1;
- }
- fbSegment (pDrawable, pGC, x1 + x, y1 + y,
- x2 + x, y2 + y,
- npt == 1 && pGC->capStyle != CapNotLast,
- &dashOffset);
- x1 = x2;
- y1 = y2;
- }
-}
-
-void
-fbZeroSegment (DrawablePtr pDrawable,
- GCPtr pGC,
- int nseg,
- xSegment *pSegs)
-{
- int dashOffset;
- int x, y;
- Bool drawLast = pGC->capStyle != CapNotLast;
-
- x = pDrawable->x;
- y = pDrawable->y;
- while (nseg--)
- {
- dashOffset = pGC->dashOffset;
- fbSegment (pDrawable, pGC,
- pSegs->x1 + x, pSegs->y1 + y,
- pSegs->x2 + x, pSegs->y2 + y,
- drawLast,
- &dashOffset);
- pSegs++;
- }
-}
-
-void
-fbFixCoordModePrevious (int npt,
- DDXPointPtr ppt)
-{
- int x, y;
-
- x = ppt->x;
- y = ppt->y;
- npt--;
- while (npt--)
- {
- ppt++;
- x = (ppt->x += x);
- y = (ppt->y += y);
- }
-}
-
-void
-fbPolyLine (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int npt,
- DDXPointPtr ppt)
-{
- void (*line) (DrawablePtr, GCPtr, int mode, int npt, DDXPointPtr ppt);
-
- if (pGC->lineWidth == 0)
- {
- line = fbZeroLine;
- if (pGC->fillStyle == FillSolid &&
- pGC->lineStyle == LineSolid &&
- RegionNumRects (fbGetCompositeClip(pGC)) == 1)
- {
- switch (pDrawable->bitsPerPixel) {
- case 8: line = fbPolyline8; break;
- case 16: line = fbPolyline16; break;
- case 24: line = fbPolyline24; break;
- case 32: line = fbPolyline32; break;
- }
- }
- }
- else
- {
- if (pGC->lineStyle != LineSolid)
- line = miWideDash;
- else
- line = miWideLine;
- }
- (*line) (pDrawable, pGC, mode, npt, ppt);
-}
-
-void
-fbPolySegment (DrawablePtr pDrawable,
- GCPtr pGC,
- int nseg,
- xSegment *pseg)
-{
- void (*seg) (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pseg);
-
- if (pGC->lineWidth == 0)
- {
- seg = fbZeroSegment;
- if (pGC->fillStyle == FillSolid &&
- pGC->lineStyle == LineSolid &&
- RegionNumRects (fbGetCompositeClip(pGC)) == 1)
- {
- switch (pDrawable->bitsPerPixel) {
- case 8: seg = fbPolySegment8; break;
- case 16: seg = fbPolySegment16; break;
- case 24: seg = fbPolySegment24; break;
- case 32: seg = fbPolySegment32; break;
- }
- }
- }
- else
- {
- seg = miPolySegment;
- }
- (*seg) (pDrawable, pGC, nseg, pseg);
-}
+/* + * 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 "fb.h" + +void +fbZeroLine (DrawablePtr pDrawable, + GCPtr pGC, + int mode, + int npt, + DDXPointPtr ppt) +{ + int x1, y1, x2, y2; + int x, y; + int dashOffset; + + x = pDrawable->x; + y = pDrawable->y; + x1 = ppt->x; + y1 = ppt->y; + dashOffset = pGC->dashOffset; + while (--npt) + { + ++ppt; + x2 = ppt->x; + y2 = ppt->y; + if (mode == CoordModePrevious) + { + x2 += x1; + y2 += y1; + } + fbSegment (pDrawable, pGC, x1 + x, y1 + y, + x2 + x, y2 + y, + npt == 1 && pGC->capStyle != CapNotLast, + &dashOffset); + x1 = x2; + y1 = y2; + } +} + +void +fbZeroSegment (DrawablePtr pDrawable, + GCPtr pGC, + int nseg, + xSegment *pSegs) +{ + int dashOffset; + int x, y; + Bool drawLast = pGC->capStyle != CapNotLast; + + x = pDrawable->x; + y = pDrawable->y; + while (nseg--) + { + dashOffset = pGC->dashOffset; + fbSegment (pDrawable, pGC, + pSegs->x1 + x, pSegs->y1 + y, + pSegs->x2 + x, pSegs->y2 + y, + drawLast, + &dashOffset); + pSegs++; + } +} + +void +fbFixCoordModePrevious (int npt, + DDXPointPtr ppt) +{ + int x, y; + + x = ppt->x; + y = ppt->y; + npt--; + while (npt--) + { + ppt++; + x = (ppt->x += x); + y = (ppt->y += y); + } +} + +void +fbPolyLine (DrawablePtr pDrawable, + GCPtr pGC, + int mode, + int npt, + DDXPointPtr ppt) +{ + void (*line) (DrawablePtr, GCPtr, int mode, int npt, DDXPointPtr ppt); + + if (pGC->lineWidth == 0) + { + line = fbZeroLine; + if (pGC->fillStyle == FillSolid && + pGC->lineStyle == LineSolid && + RegionNumRects (fbGetCompositeClip(pGC)) == 1) + { + switch (pDrawable->bitsPerPixel) { + case 8: line = fbPolyline8; break; + case 16: line = fbPolyline16; break; + case 24: line = fbPolyline24; break; + case 32: line = fbPolyline32; break; + } + } + } + else + { + if (pGC->lineStyle != LineSolid) + line = miWideDash; + else + line = miWideLine; + } + (*line) (pDrawable, pGC, mode, npt, ppt); +} + +void +fbPolySegment (DrawablePtr pDrawable, + GCPtr pGC, + int nseg, + xSegment *pseg) +{ + void (*seg) (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pseg); + + if (pGC->lineWidth == 0) + { + seg = fbZeroSegment; + if (pGC->fillStyle == FillSolid && + pGC->lineStyle == LineSolid && + RegionNumRects (fbGetCompositeClip(pGC)) == 1) + { + switch (pDrawable->bitsPerPixel) { + case 8: seg = fbPolySegment8; break; + case 16: seg = fbPolySegment16; break; + case 24: seg = fbPolySegment24; break; + case 32: seg = fbPolySegment32; break; + } + } + } + else + { + seg = miPolySegment; + } + (*seg) (pDrawable, pGC, nseg, pseg); +} diff --git a/xorg-server/fb/fboverlay.c b/xorg-server/fb/fboverlay.c index a241cf01f..255cc23c1 100644 --- a/xorg-server/fb/fboverlay.c +++ b/xorg-server/fb/fboverlay.c @@ -1,429 +1,429 @@ -/*
- *
- * 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 <stdlib.h>
-
-#include "fb.h"
-#include "fboverlay.h"
-#include "shmint.h"
-
-static DevPrivateKeyRec fbOverlayScreenPrivateKeyRec;
-#define fbOverlayScreenPrivateKey (&fbOverlayScreenPrivateKeyRec)
-
-DevPrivateKey fbOverlayGetScreenPrivateKey(void)
-{
- return fbOverlayScreenPrivateKey;
-}
-
-/*
- * Replace this if you want something supporting
- * multiple overlays with the same depth
- */
-Bool
-fbOverlayCreateWindow(WindowPtr pWin)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
- int i;
- PixmapPtr pPixmap;
-
- if (pWin->drawable.class != InputOutput)
- return TRUE;
-
- if (pWin->drawable.bitsPerPixel == 32)
- pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- pPixmap = pScrPriv->layer[i].u.run.pixmap;
- if (pWin->drawable.depth == pPixmap->drawable.depth)
- {
- dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap);
- /*
- * Make sure layer keys are written correctly by
- * having non-root layers set to full while the
- * root layer is set to empty. This will cause
- * all of the layers to get painted when the root
- * is mapped
- */
- if (!pWin->parent)
- {
- RegionEmpty(&pScrPriv->layer[i].u.run.region);
- }
- return TRUE;
- }
- }
- return FALSE;
-}
-
-Bool
-fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int i;
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- (*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap);
- RegionUninit(&pScrPriv->layer[i].u.run.region);
- }
- return TRUE;
-}
-
-/*
- * Return layer containing this window
- */
-int
-fbOverlayWindowLayer(WindowPtr pWin)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
- int i;
-
- for (i = 0; i < pScrPriv->nlayers; i++)
- if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) ==
- (pointer) pScrPriv->layer[i].u.run.pixmap)
- return i;
- return 0;
-}
-
-Bool
-fbOverlayCreateScreenResources(ScreenPtr pScreen)
-{
- int i;
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- PixmapPtr pPixmap;
- pointer pbits;
- int width;
- int depth;
- BoxRec box;
-
- if (!miCreateScreenResources(pScreen))
- return FALSE;
-
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- pbits = pScrPriv->layer[i].u.init.pbits;
- width = pScrPriv->layer[i].u.init.width;
- depth = pScrPriv->layer[i].u.init.depth;
- pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
- if (!pPixmap)
- return FALSE;
- if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
- pScreen->height, depth,
- BitsPerPixel(depth),
- PixmapBytePad(width, depth),
- pbits))
- return FALSE;
- pScrPriv->layer[i].u.run.pixmap = pPixmap;
- RegionInit(&pScrPriv->layer[i].u.run.region, &box, 0);
- }
- pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap;
- return TRUE;
-}
-
-void
-fbOverlayPaintKey (DrawablePtr pDrawable,
- RegionPtr pRegion,
- CARD32 pixel,
- int layer)
-{
- fbFillRegionSolid (pDrawable, pRegion, 0,
- fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
-}
-
-/*
- * Track visible region for each layer
- */
-void
-fbOverlayUpdateLayerRegion (ScreenPtr pScreen,
- int layer,
- RegionPtr prgn)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int i;
- RegionRec rgnNew;
-
- if (!prgn || !RegionNotEmpty(prgn))
- return;
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- if (i == layer)
- {
- /* add new piece to this fb */
- RegionUnion(&pScrPriv->layer[i].u.run.region,
- &pScrPriv->layer[i].u.run.region,
- prgn);
- }
- else if (RegionNotEmpty(&pScrPriv->layer[i].u.run.region))
- {
- /* paint new piece with chroma key */
- RegionNull(&rgnNew);
- RegionIntersect(&rgnNew, prgn,
- &pScrPriv->layer[i].u.run.region);
- (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable,
- &rgnNew,
- pScrPriv->layer[i].key,
- i);
- RegionUninit(&rgnNew);
- /* remove piece from other fbs */
- RegionSubtract(&pScrPriv->layer[i].u.run.region,
- &pScrPriv->layer[i].u.run.region,
- prgn);
- }
- }
-}
-
-/*
- * Copy only areas in each layer containing real bits
- */
-void
-fbOverlayCopyWindow(WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- RegionRec rgnDst;
- int dx, dy;
- int i;
- RegionRec layerRgn[FB_OVERLAY_MAX];
- PixmapPtr pPixmap;
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
-
- /*
- * Clip to existing bits
- */
- RegionTranslate(prgnSrc, -dx, -dy);
- RegionNull(&rgnDst);
- RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
- RegionTranslate(&rgnDst, dx, dy);
- /*
- * Compute the portion of each fb affected by this copy
- */
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- RegionNull(&layerRgn[i]);
- RegionIntersect(&layerRgn[i], &rgnDst,
- &pScrPriv->layer[i].u.run.region);
- if (RegionNotEmpty(&layerRgn[i]))
- {
- RegionTranslate(&layerRgn[i], -dx, -dy);
- pPixmap = pScrPriv->layer[i].u.run.pixmap;
- miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
- 0,
- &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0,
- (void *)(long) i);
- }
- }
- /*
- * Update regions
- */
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- if (RegionNotEmpty(&layerRgn[i]))
- fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]);
-
- RegionUninit(&layerRgn[i]);
- }
- RegionUninit(&rgnDst);
-}
-
-void
-fbOverlayWindowExposures (WindowPtr pWin,
- RegionPtr prgn,
- RegionPtr other_exposed)
-{
- fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,
- fbOverlayWindowLayer (pWin),
- prgn);
- miWindowExposures(pWin, prgn, other_exposed);
-}
-
-Bool
-fbOverlaySetupScreen(ScreenPtr pScreen,
- pointer pbits1,
- pointer pbits2,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width1,
- int width2,
- int bpp1,
- int bpp2)
-{
- return fbSetupScreen (pScreen,
- pbits1,
- xsize,
- ysize,
- dpix,
- dpiy,
- width1,
- bpp1);
-}
-
-static Bool
-fb24_32OverlayCreateScreenResources(ScreenPtr pScreen)
-{
- FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
- int pitch;
- Bool retval;
- int i;
-
- if((retval = fbOverlayCreateScreenResources(pScreen))) {
- for (i = 0; i < pScrPriv->nlayers; i++)
- {
- /* fix the screen pixmap */
- PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap;
- if (pPix->drawable.bitsPerPixel == 32) {
- pPix->drawable.bitsPerPixel = 24;
- pitch = BitmapBytePad(pPix->drawable.width * 24);
- pPix->devKind = pitch;
- }
- }
- }
-
- return retval;
-}
-
-Bool
-fbOverlayFinishScreenInit(ScreenPtr pScreen,
- pointer pbits1,
- pointer pbits2,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width1,
- int width2,
- int bpp1,
- int bpp2,
- int depth1,
- int depth2)
-{
- VisualPtr visuals;
- DepthPtr depths;
- int nvisuals;
- int ndepths;
- int bpp = 0, imagebpp = 32;
- VisualID defaultVisual;
- FbOverlayScrPrivPtr pScrPriv;
-
- if (!dixRegisterPrivateKey(&fbOverlayScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- pScrPriv = malloc(sizeof (FbOverlayScrPrivRec));
- if (!pScrPriv)
- return FALSE;
-
- if (bpp1 == 32 || bpp2 == 32)
- bpp = 32;
- else if (bpp1 == 24 || bpp2 == 24)
- bpp = 24;
-
- if (bpp == 24)
- {
- int f;
-
- imagebpp = 32;
- /*
- * Check to see if we're advertising a 24bpp image format,
- * in which case windows will use it in preference to a 32 bit
- * format.
- */
- for (f = 0; f < screenInfo.numPixmapFormats; f++)
- {
- if (screenInfo.formats[f].bitsPerPixel == 24)
- {
- imagebpp = 24;
- break;
- }
- }
- }
- if (imagebpp == 32)
- {
- fbGetScreenPrivate(pScreen)->win32bpp = bpp;
- fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
- }
- else
- {
- fbGetScreenPrivate(pScreen)->win32bpp = 32;
- fbGetScreenPrivate(pScreen)->pix32bpp = 32;
- }
-
- if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1,
- &defaultVisual, ((unsigned long)1<<(bpp1-1)) |
- ((unsigned long)1<<(bpp2-1)), 8)) {
- free(pScrPriv);
- return FALSE;
- }
- if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0,
- depth1, ndepths, depths,
- defaultVisual, nvisuals, visuals)) {
- free(pScrPriv);
- return FALSE;
- }
- /* MI thinks there's no frame buffer */
-#ifdef MITSHM
- ShmRegisterFbFuncs(pScreen);
-#endif
- pScreen->minInstalledCmaps = 1;
- pScreen->maxInstalledCmaps = 2;
-
- pScrPriv->nlayers = 2;
- pScrPriv->PaintKey = fbOverlayPaintKey;
- pScrPriv->CopyWindow = fbCopyWindowProc;
- pScrPriv->layer[0].u.init.pbits = pbits1;
- pScrPriv->layer[0].u.init.width = width1;
- pScrPriv->layer[0].u.init.depth = depth1;
-
- pScrPriv->layer[1].u.init.pbits = pbits2;
- pScrPriv->layer[1].u.init.width = width2;
- pScrPriv->layer[1].u.init.depth = depth2;
- dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv);
-
- /* overwrite miCloseScreen with our own */
- pScreen->CloseScreen = fbOverlayCloseScreen;
- pScreen->CreateScreenResources = fbOverlayCreateScreenResources;
- pScreen->CreateWindow = fbOverlayCreateWindow;
- pScreen->WindowExposures = fbOverlayWindowExposures;
- pScreen->CopyWindow = fbOverlayCopyWindow;
- if (bpp == 24 && imagebpp == 32)
- {
- pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
- pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources;
- }
-
- return TRUE;
-}
+/* + * + * 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 <stdlib.h> + +#include "fb.h" +#include "fboverlay.h" +#include "shmint.h" + +static DevPrivateKeyRec fbOverlayScreenPrivateKeyRec; +#define fbOverlayScreenPrivateKey (&fbOverlayScreenPrivateKeyRec) + +DevPrivateKey fbOverlayGetScreenPrivateKey(void) +{ + return fbOverlayScreenPrivateKey; +} + +/* + * Replace this if you want something supporting + * multiple overlays with the same depth + */ +Bool +fbOverlayCreateWindow(WindowPtr pWin) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen); + int i; + PixmapPtr pPixmap; + + if (pWin->drawable.class != InputOutput) + return TRUE; + + if (pWin->drawable.bitsPerPixel == 32) + pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp; + + for (i = 0; i < pScrPriv->nlayers; i++) + { + pPixmap = pScrPriv->layer[i].u.run.pixmap; + if (pWin->drawable.depth == pPixmap->drawable.depth) + { + dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap); + /* + * Make sure layer keys are written correctly by + * having non-root layers set to full while the + * root layer is set to empty. This will cause + * all of the layers to get painted when the root + * is mapped + */ + if (!pWin->parent) + { + RegionEmpty(&pScrPriv->layer[i].u.run.region); + } + return TRUE; + } + } + return FALSE; +} + +Bool +fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int i; + + for (i = 0; i < pScrPriv->nlayers; i++) + { + (*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap); + RegionUninit(&pScrPriv->layer[i].u.run.region); + } + return TRUE; +} + +/* + * Return layer containing this window + */ +int +fbOverlayWindowLayer(WindowPtr pWin) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen); + int i; + + for (i = 0; i < pScrPriv->nlayers; i++) + if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) == + (pointer) pScrPriv->layer[i].u.run.pixmap) + return i; + return 0; +} + +Bool +fbOverlayCreateScreenResources(ScreenPtr pScreen) +{ + int i; + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + PixmapPtr pPixmap; + pointer pbits; + int width; + int depth; + BoxRec box; + + if (!miCreateScreenResources(pScreen)) + return FALSE; + + box.x1 = 0; + box.y1 = 0; + box.x2 = pScreen->width; + box.y2 = pScreen->height; + for (i = 0; i < pScrPriv->nlayers; i++) + { + pbits = pScrPriv->layer[i].u.init.pbits; + width = pScrPriv->layer[i].u.init.width; + depth = pScrPriv->layer[i].u.init.depth; + pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0); + if (!pPixmap) + return FALSE; + if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width, + pScreen->height, depth, + BitsPerPixel(depth), + PixmapBytePad(width, depth), + pbits)) + return FALSE; + pScrPriv->layer[i].u.run.pixmap = pPixmap; + RegionInit(&pScrPriv->layer[i].u.run.region, &box, 0); + } + pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap; + return TRUE; +} + +void +fbOverlayPaintKey (DrawablePtr pDrawable, + RegionPtr pRegion, + CARD32 pixel, + int layer) +{ + fbFillRegionSolid (pDrawable, pRegion, 0, + fbReplicatePixel (pixel, pDrawable->bitsPerPixel)); +} + +/* + * Track visible region for each layer + */ +void +fbOverlayUpdateLayerRegion (ScreenPtr pScreen, + int layer, + RegionPtr prgn) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int i; + RegionRec rgnNew; + + if (!prgn || !RegionNotEmpty(prgn)) + return; + for (i = 0; i < pScrPriv->nlayers; i++) + { + if (i == layer) + { + /* add new piece to this fb */ + RegionUnion(&pScrPriv->layer[i].u.run.region, + &pScrPriv->layer[i].u.run.region, + prgn); + } + else if (RegionNotEmpty(&pScrPriv->layer[i].u.run.region)) + { + /* paint new piece with chroma key */ + RegionNull(&rgnNew); + RegionIntersect(&rgnNew, prgn, + &pScrPriv->layer[i].u.run.region); + (*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable, + &rgnNew, + pScrPriv->layer[i].key, + i); + RegionUninit(&rgnNew); + /* remove piece from other fbs */ + RegionSubtract(&pScrPriv->layer[i].u.run.region, + &pScrPriv->layer[i].u.run.region, + prgn); + } + } +} + +/* + * Copy only areas in each layer containing real bits + */ +void +fbOverlayCopyWindow(WindowPtr pWin, + DDXPointRec ptOldOrg, + RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + RegionRec rgnDst; + int dx, dy; + int i; + RegionRec layerRgn[FB_OVERLAY_MAX]; + PixmapPtr pPixmap; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + + /* + * Clip to existing bits + */ + RegionTranslate(prgnSrc, -dx, -dy); + RegionNull(&rgnDst); + RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); + RegionTranslate(&rgnDst, dx, dy); + /* + * Compute the portion of each fb affected by this copy + */ + for (i = 0; i < pScrPriv->nlayers; i++) + { + RegionNull(&layerRgn[i]); + RegionIntersect(&layerRgn[i], &rgnDst, + &pScrPriv->layer[i].u.run.region); + if (RegionNotEmpty(&layerRgn[i])) + { + RegionTranslate(&layerRgn[i], -dx, -dy); + pPixmap = pScrPriv->layer[i].u.run.pixmap; + miCopyRegion (&pPixmap->drawable, &pPixmap->drawable, + 0, + &layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0, + (void *)(long) i); + } + } + /* + * Update regions + */ + for (i = 0; i < pScrPriv->nlayers; i++) + { + if (RegionNotEmpty(&layerRgn[i])) + fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]); + + RegionUninit(&layerRgn[i]); + } + RegionUninit(&rgnDst); +} + +void +fbOverlayWindowExposures (WindowPtr pWin, + RegionPtr prgn, + RegionPtr other_exposed) +{ + fbOverlayUpdateLayerRegion (pWin->drawable.pScreen, + fbOverlayWindowLayer (pWin), + prgn); + miWindowExposures(pWin, prgn, other_exposed); +} + +Bool +fbOverlaySetupScreen(ScreenPtr pScreen, + pointer pbits1, + pointer pbits2, + int xsize, + int ysize, + int dpix, + int dpiy, + int width1, + int width2, + int bpp1, + int bpp2) +{ + return fbSetupScreen (pScreen, + pbits1, + xsize, + ysize, + dpix, + dpiy, + width1, + bpp1); +} + +static Bool +fb24_32OverlayCreateScreenResources(ScreenPtr pScreen) +{ + FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen); + int pitch; + Bool retval; + int i; + + if((retval = fbOverlayCreateScreenResources(pScreen))) { + for (i = 0; i < pScrPriv->nlayers; i++) + { + /* fix the screen pixmap */ + PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap; + if (pPix->drawable.bitsPerPixel == 32) { + pPix->drawable.bitsPerPixel = 24; + pitch = BitmapBytePad(pPix->drawable.width * 24); + pPix->devKind = pitch; + } + } + } + + return retval; +} + +Bool +fbOverlayFinishScreenInit(ScreenPtr pScreen, + pointer pbits1, + pointer pbits2, + int xsize, + int ysize, + int dpix, + int dpiy, + int width1, + int width2, + int bpp1, + int bpp2, + int depth1, + int depth2) +{ + VisualPtr visuals; + DepthPtr depths; + int nvisuals; + int ndepths; + int bpp = 0, imagebpp = 32; + VisualID defaultVisual; + FbOverlayScrPrivPtr pScrPriv; + + if (!dixRegisterPrivateKey(&fbOverlayScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + pScrPriv = malloc(sizeof (FbOverlayScrPrivRec)); + if (!pScrPriv) + return FALSE; + + if (bpp1 == 32 || bpp2 == 32) + bpp = 32; + else if (bpp1 == 24 || bpp2 == 24) + bpp = 24; + + if (bpp == 24) + { + int f; + + imagebpp = 32; + /* + * Check to see if we're advertising a 24bpp image format, + * in which case windows will use it in preference to a 32 bit + * format. + */ + for (f = 0; f < screenInfo.numPixmapFormats; f++) + { + if (screenInfo.formats[f].bitsPerPixel == 24) + { + imagebpp = 24; + break; + } + } + } + if (imagebpp == 32) + { + fbGetScreenPrivate(pScreen)->win32bpp = bpp; + fbGetScreenPrivate(pScreen)->pix32bpp = bpp; + } + else + { + fbGetScreenPrivate(pScreen)->win32bpp = 32; + fbGetScreenPrivate(pScreen)->pix32bpp = 32; + } + + if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1, + &defaultVisual, ((unsigned long)1<<(bpp1-1)) | + ((unsigned long)1<<(bpp2-1)), 8)) { + free(pScrPriv); + return FALSE; + } + if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0, + depth1, ndepths, depths, + defaultVisual, nvisuals, visuals)) { + free(pScrPriv); + return FALSE; + } + /* MI thinks there's no frame buffer */ +#ifdef MITSHM + ShmRegisterFbFuncs(pScreen); +#endif + pScreen->minInstalledCmaps = 1; + pScreen->maxInstalledCmaps = 2; + + pScrPriv->nlayers = 2; + pScrPriv->PaintKey = fbOverlayPaintKey; + pScrPriv->CopyWindow = fbCopyWindowProc; + pScrPriv->layer[0].u.init.pbits = pbits1; + pScrPriv->layer[0].u.init.width = width1; + pScrPriv->layer[0].u.init.depth = depth1; + + pScrPriv->layer[1].u.init.pbits = pbits2; + pScrPriv->layer[1].u.init.width = width2; + pScrPriv->layer[1].u.init.depth = depth2; + dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv); + + /* overwrite miCloseScreen with our own */ + pScreen->CloseScreen = fbOverlayCloseScreen; + pScreen->CreateScreenResources = fbOverlayCreateScreenResources; + pScreen->CreateWindow = fbOverlayCreateWindow; + pScreen->WindowExposures = fbOverlayWindowExposures; + pScreen->CopyWindow = fbOverlayCopyWindow; + if (bpp == 24 && imagebpp == 32) + { + pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader; + pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources; + } + + return TRUE; +} diff --git a/xorg-server/fb/fbpict.c b/xorg-server/fb/fbpict.c index 3113523a9..d1fd0cbbd 100644 --- a/xorg-server/fb/fbpict.c +++ b/xorg-server/fb/fbpict.c @@ -1,373 +1,373 @@ -/*
- *
- * Copyright © 2000 SuSE, Inc.
- * Copyright © 2007 Red Hat, 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"
-
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-
-void
-fbComposite (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- pixman_image_t *src, *mask, *dest;
- int src_xoff, src_yoff;
- int msk_xoff, msk_yoff;
- int dst_xoff, dst_yoff;
-
- miCompositeSourceValidate (pSrc);
- if (pMask)
- miCompositeSourceValidate (pMask);
-
- src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
- mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff);
- dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
-
- if (src && dest && !(pMask && !mask))
- {
- pixman_image_composite (op, src, mask, dest,
- xSrc + src_xoff, ySrc + src_yoff,
- xMask + msk_xoff, yMask + msk_yoff,
- xDst + dst_xoff, yDst + dst_yoff,
- width, height);
- }
-
- free_pixman_pict (pSrc, src);
- free_pixman_pict (pMask, mask);
- free_pixman_pict (pDst, dest);
-}
-
-static pixman_image_t *
-create_solid_fill_image (PicturePtr pict)
-{
- PictSolidFill *solid = &pict->pSourcePict->solidFill;
- pixman_color_t color;
- CARD32 a, r, g, b;
-
- a = (solid->color & 0xff000000) >> 24;
- r = (solid->color & 0x00ff0000) >> 16;
- g = (solid->color & 0x0000ff00) >> 8;
- b = (solid->color & 0x000000ff) >> 0;
-
- color.alpha = (a << 8) | a;
- color.red = (r << 8) | r;
- color.green = (g << 8) | g;
- color.blue = (b << 8) | b;
-
- return pixman_image_create_solid_fill (&color);
-}
-
-static pixman_image_t *
-create_linear_gradient_image (PictGradient *gradient)
-{
- PictLinearGradient *linear = (PictLinearGradient *)gradient;
- pixman_point_fixed_t p1;
- pixman_point_fixed_t p2;
-
- p1.x = linear->p1.x;
- p1.y = linear->p1.y;
- p2.x = linear->p2.x;
- p2.y = linear->p2.y;
-
- return pixman_image_create_linear_gradient (
- &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_radial_gradient_image (PictGradient *gradient)
-{
- PictRadialGradient *radial = (PictRadialGradient *)gradient;
- pixman_point_fixed_t c1;
- pixman_point_fixed_t c2;
-
- c1.x = radial->c1.x;
- c1.y = radial->c1.y;
- c2.x = radial->c2.x;
- c2.y = radial->c2.y;
-
- return pixman_image_create_radial_gradient (
- &c1, &c2, radial->c1.radius,
- radial->c2.radius,
- (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_conical_gradient_image (PictGradient *gradient)
-{
- PictConicalGradient *conical = (PictConicalGradient *)gradient;
- pixman_point_fixed_t center;
-
- center.x = conical->center.x;
- center.y = conical->center.y;
-
- return pixman_image_create_conical_gradient (
- ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
- gradient->nstops);
-}
-
-static pixman_image_t *
-create_bits_picture (PicturePtr pict,
- Bool has_clip,
- int *xoff,
- int *yoff)
-{
- PixmapPtr pixmap;
- FbBits *bits;
- FbStride stride;
- int bpp;
- pixman_image_t *image;
-
- fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff);
- fbGetPixmapBitsData(pixmap, bits, stride, bpp);
-
- image = pixman_image_create_bits (
- (pixman_format_code_t)pict->format,
- pixmap->drawable.width, pixmap->drawable.height,
- (uint32_t *)bits, stride * sizeof (FbStride));
-
-
-#ifdef FB_ACCESS_WRAPPER
-#if FB_SHIFT==5
-
- pixman_image_set_accessors (image,
- (pixman_read_memory_func_t)wfbReadMemory,
- (pixman_write_memory_func_t)wfbWriteMemory);
-
-#else
-
-#error The pixman library only works when FbBits is 32 bits wide
-
-#endif
-#endif
-
- /* pCompositeClip is undefined for source pictures, so
- * only set the clip region for pictures with drawables
- */
- if (has_clip)
- {
- if (pict->clientClipType != CT_NONE)
- pixman_image_set_has_client_clip (image, TRUE);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, *xoff, *yoff);
-
- pixman_image_set_clip_region (image, pict->pCompositeClip);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff);
- }
-
- /* Indexed table */
- if (pict->pFormat->index.devPrivate)
- pixman_image_set_indexed (image, pict->pFormat->index.devPrivate);
-
- /* Add in drawable origin to position within the image */
- *xoff += pict->pDrawable->x;
- *yoff += pict->pDrawable->y;
-
- return image;
-}
-
-static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map);
-
-static void
-set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
-{
- pixman_repeat_t repeat;
- pixman_filter_t filter;
-
- if (pict->transform)
- {
- /* For source images, adjust the transform to account
- * for the drawable offset within the pixman image,
- * then set the offset to 0 as it will be used
- * to compute positions within the transformed image.
- */
- if (!has_clip) {
- struct pixman_transform adjusted;
-
- adjusted = *pict->transform;
- pixman_transform_translate(&adjusted,
- NULL,
- pixman_int_to_fixed(*xoff),
- pixman_int_to_fixed(*yoff));
- pixman_image_set_transform (image, &adjusted);
- *xoff = 0;
- *yoff = 0;
- } else
- pixman_image_set_transform (image, pict->transform);
- }
-
- switch (pict->repeatType)
- {
- default:
- case RepeatNone:
- repeat = PIXMAN_REPEAT_NONE;
- break;
-
- case RepeatPad:
- repeat = PIXMAN_REPEAT_PAD;
- break;
-
- case RepeatNormal:
- repeat = PIXMAN_REPEAT_NORMAL;
- break;
-
- case RepeatReflect:
- repeat = PIXMAN_REPEAT_REFLECT;
- break;
- }
-
- pixman_image_set_repeat (image, repeat);
-
- /* Fetch alpha map unless 'pict' is being used
- * as the alpha map for this operation
- */
- if (pict->alphaMap && !is_alpha_map)
- {
- int alpha_xoff, alpha_yoff;
- pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE);
-
- pixman_image_set_alpha_map (
- image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
-
- free_pixman_pict (pict->alphaMap, alpha_map);
- }
-
- pixman_image_set_component_alpha (image, pict->componentAlpha);
-
- switch (pict->filter)
- {
- default:
- case PictFilterNearest:
- case PictFilterFast:
- filter = PIXMAN_FILTER_NEAREST;
- break;
-
- case PictFilterBilinear:
- case PictFilterGood:
- filter = PIXMAN_FILTER_BILINEAR;
- break;
-
- case PictFilterConvolution:
- filter = PIXMAN_FILTER_CONVOLUTION;
- break;
- }
-
- pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
- pixman_image_set_source_clipping (image, TRUE);
-}
-
-static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
-{
- pixman_image_t *image = NULL;
-
- if (!pict)
- return NULL;
-
- if (pict->pDrawable)
- {
- image = create_bits_picture (pict, has_clip, xoff, yoff);
- }
- else if (pict->pSourcePict)
- {
- SourcePict *sp = pict->pSourcePict;
-
- if (sp->type == SourcePictTypeSolidFill)
- {
- image = create_solid_fill_image (pict);
- }
- else
- {
- PictGradient *gradient = &pict->pSourcePict->gradient;
-
- if (sp->type == SourcePictTypeLinear)
- image = create_linear_gradient_image (gradient);
- else if (sp->type == SourcePictTypeRadial)
- image = create_radial_gradient_image (gradient);
- else if (sp->type == SourcePictTypeConical)
- image = create_conical_gradient_image (gradient);
- }
- *xoff = *yoff = 0;
- }
-
- if (image)
- set_image_properties (image, pict, has_clip, xoff, yoff, is_alpha_map);
-
- return image;
-}
-
-pixman_image_t *
-image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
-{
- return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE);
-}
-
-void
-free_pixman_pict (PicturePtr pict, pixman_image_t *image)
-{
- if (image && pixman_image_unref (image) && pict->pDrawable)
- fbFinishAccess (pict->pDrawable);
-}
-
-Bool
-fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
-
- PictureScreenPtr ps;
-
- if (!miPictureInit (pScreen, formats, nformats))
- return FALSE;
- ps = GetPictureScreen(pScreen);
- ps->Composite = fbComposite;
- ps->Glyphs = miGlyphs;
- ps->CompositeRects = miCompositeRects;
- ps->RasterizeTrapezoid = fbRasterizeTrapezoid;
- ps->Trapezoids = fbTrapezoids;
- ps->AddTraps = fbAddTraps;
- ps->AddTriangles = fbAddTriangles;
- ps->Triangles = fbTriangles;
-
- return TRUE;
-}
+/* + * + * Copyright © 2000 SuSE, Inc. + * Copyright © 2007 Red Hat, 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" + +#include "picturestr.h" +#include "mipict.h" +#include "fbpict.h" + +void +fbComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + pixman_image_t *src, *mask, *dest; + int src_xoff, src_yoff; + int msk_xoff, msk_yoff; + int dst_xoff, dst_yoff; + + miCompositeSourceValidate (pSrc); + if (pMask) + miCompositeSourceValidate (pMask); + + src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); + mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff); + dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); + + if (src && dest && !(pMask && !mask)) + { + pixman_image_composite (op, src, mask, dest, + xSrc + src_xoff, ySrc + src_yoff, + xMask + msk_xoff, yMask + msk_yoff, + xDst + dst_xoff, yDst + dst_yoff, + width, height); + } + + free_pixman_pict (pSrc, src); + free_pixman_pict (pMask, mask); + free_pixman_pict (pDst, dest); +} + +static pixman_image_t * +create_solid_fill_image (PicturePtr pict) +{ + PictSolidFill *solid = &pict->pSourcePict->solidFill; + pixman_color_t color; + CARD32 a, r, g, b; + + a = (solid->color & 0xff000000) >> 24; + r = (solid->color & 0x00ff0000) >> 16; + g = (solid->color & 0x0000ff00) >> 8; + b = (solid->color & 0x000000ff) >> 0; + + color.alpha = (a << 8) | a; + color.red = (r << 8) | r; + color.green = (g << 8) | g; + color.blue = (b << 8) | b; + + return pixman_image_create_solid_fill (&color); +} + +static pixman_image_t * +create_linear_gradient_image (PictGradient *gradient) +{ + PictLinearGradient *linear = (PictLinearGradient *)gradient; + pixman_point_fixed_t p1; + pixman_point_fixed_t p2; + + p1.x = linear->p1.x; + p1.y = linear->p1.y; + p2.x = linear->p2.x; + p2.y = linear->p2.y; + + return pixman_image_create_linear_gradient ( + &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_radial_gradient_image (PictGradient *gradient) +{ + PictRadialGradient *radial = (PictRadialGradient *)gradient; + pixman_point_fixed_t c1; + pixman_point_fixed_t c2; + + c1.x = radial->c1.x; + c1.y = radial->c1.y; + c2.x = radial->c2.x; + c2.y = radial->c2.y; + + return pixman_image_create_radial_gradient ( + &c1, &c2, radial->c1.radius, + radial->c2.radius, + (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_conical_gradient_image (PictGradient *gradient) +{ + PictConicalGradient *conical = (PictConicalGradient *)gradient; + pixman_point_fixed_t center; + + center.x = conical->center.x; + center.y = conical->center.y; + + return pixman_image_create_conical_gradient ( + ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops, + gradient->nstops); +} + +static pixman_image_t * +create_bits_picture (PicturePtr pict, + Bool has_clip, + int *xoff, + int *yoff) +{ + PixmapPtr pixmap; + FbBits *bits; + FbStride stride; + int bpp; + pixman_image_t *image; + + fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff); + fbGetPixmapBitsData(pixmap, bits, stride, bpp); + + image = pixman_image_create_bits ( + (pixman_format_code_t)pict->format, + pixmap->drawable.width, pixmap->drawable.height, + (uint32_t *)bits, stride * sizeof (FbStride)); + + +#ifdef FB_ACCESS_WRAPPER +#if FB_SHIFT==5 + + pixman_image_set_accessors (image, + (pixman_read_memory_func_t)wfbReadMemory, + (pixman_write_memory_func_t)wfbWriteMemory); + +#else + +#error The pixman library only works when FbBits is 32 bits wide + +#endif +#endif + + /* pCompositeClip is undefined for source pictures, so + * only set the clip region for pictures with drawables + */ + if (has_clip) + { + if (pict->clientClipType != CT_NONE) + pixman_image_set_has_client_clip (image, TRUE); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, *xoff, *yoff); + + pixman_image_set_clip_region (image, pict->pCompositeClip); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff); + } + + /* Indexed table */ + if (pict->pFormat->index.devPrivate) + pixman_image_set_indexed (image, pict->pFormat->index.devPrivate); + + /* Add in drawable origin to position within the image */ + *xoff += pict->pDrawable->x; + *yoff += pict->pDrawable->y; + + return image; +} + +static pixman_image_t * +image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map); + +static void +set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) +{ + pixman_repeat_t repeat; + pixman_filter_t filter; + + if (pict->transform) + { + /* For source images, adjust the transform to account + * for the drawable offset within the pixman image, + * then set the offset to 0 as it will be used + * to compute positions within the transformed image. + */ + if (!has_clip) { + struct pixman_transform adjusted; + + adjusted = *pict->transform; + pixman_transform_translate(&adjusted, + NULL, + pixman_int_to_fixed(*xoff), + pixman_int_to_fixed(*yoff)); + pixman_image_set_transform (image, &adjusted); + *xoff = 0; + *yoff = 0; + } else + pixman_image_set_transform (image, pict->transform); + } + + switch (pict->repeatType) + { + default: + case RepeatNone: + repeat = PIXMAN_REPEAT_NONE; + break; + + case RepeatPad: + repeat = PIXMAN_REPEAT_PAD; + break; + + case RepeatNormal: + repeat = PIXMAN_REPEAT_NORMAL; + break; + + case RepeatReflect: + repeat = PIXMAN_REPEAT_REFLECT; + break; + } + + pixman_image_set_repeat (image, repeat); + + /* Fetch alpha map unless 'pict' is being used + * as the alpha map for this operation + */ + if (pict->alphaMap && !is_alpha_map) + { + int alpha_xoff, alpha_yoff; + pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE); + + pixman_image_set_alpha_map ( + image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y); + + free_pixman_pict (pict->alphaMap, alpha_map); + } + + pixman_image_set_component_alpha (image, pict->componentAlpha); + + switch (pict->filter) + { + default: + case PictFilterNearest: + case PictFilterFast: + filter = PIXMAN_FILTER_NEAREST; + break; + + case PictFilterBilinear: + case PictFilterGood: + filter = PIXMAN_FILTER_BILINEAR; + break; + + case PictFilterConvolution: + filter = PIXMAN_FILTER_CONVOLUTION; + break; + } + + pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams); + pixman_image_set_source_clipping (image, TRUE); +} + +static pixman_image_t * +image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) +{ + pixman_image_t *image = NULL; + + if (!pict) + return NULL; + + if (pict->pDrawable) + { + image = create_bits_picture (pict, has_clip, xoff, yoff); + } + else if (pict->pSourcePict) + { + SourcePict *sp = pict->pSourcePict; + + if (sp->type == SourcePictTypeSolidFill) + { + image = create_solid_fill_image (pict); + } + else + { + PictGradient *gradient = &pict->pSourcePict->gradient; + + if (sp->type == SourcePictTypeLinear) + image = create_linear_gradient_image (gradient); + else if (sp->type == SourcePictTypeRadial) + image = create_radial_gradient_image (gradient); + else if (sp->type == SourcePictTypeConical) + image = create_conical_gradient_image (gradient); + } + *xoff = *yoff = 0; + } + + if (image) + set_image_properties (image, pict, has_clip, xoff, yoff, is_alpha_map); + + return image; +} + +pixman_image_t * +image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff) +{ + return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE); +} + +void +free_pixman_pict (PicturePtr pict, pixman_image_t *image) +{ + if (image && pixman_image_unref (image) && pict->pDrawable) + fbFinishAccess (pict->pDrawable); +} + +Bool +fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) +{ + + PictureScreenPtr ps; + + if (!miPictureInit (pScreen, formats, nformats)) + return FALSE; + ps = GetPictureScreen(pScreen); + ps->Composite = fbComposite; + ps->Glyphs = miGlyphs; + ps->CompositeRects = miCompositeRects; + ps->RasterizeTrapezoid = fbRasterizeTrapezoid; + ps->Trapezoids = fbTrapezoids; + ps->AddTraps = fbAddTraps; + ps->AddTriangles = fbAddTriangles; + ps->Triangles = fbTriangles; + + return TRUE; +} diff --git a/xorg-server/fb/fbpict.h b/xorg-server/fb/fbpict.h index 859dd7ac1..b880ebbe1 100644 --- a/xorg-server/fb/fbpict.h +++ b/xorg-server/fb/fbpict.h @@ -1,88 +1,88 @@ -/*
- *
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, 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 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
-
-#ifndef _FBPICT_H_
-#define _FBPICT_H_
-
-/* fbpict.c */
-extern _X_EXPORT void
-fbComposite (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height);
-
-/* fbtrap.c */
-
-extern _X_EXPORT void
-fbAddTraps (PicturePtr pPicture,
- INT16 xOff,
- INT16 yOff,
- int ntrap,
- xTrap *traps);
-
-extern _X_EXPORT void
-fbRasterizeTrapezoid (PicturePtr alpha,
- xTrapezoid *trap,
- int x_off,
- int y_off);
-
-extern _X_EXPORT void
-fbAddTriangles (PicturePtr pPicture,
- INT16 xOff,
- INT16 yOff,
- int ntri,
- xTriangle *tris);
-
-extern _X_EXPORT void
-fbTrapezoids (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntrap,
- xTrapezoid *traps);
-
-extern _X_EXPORT void
-fbTriangles (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntris,
- xTriangle *tris);
-
-#endif /* _FBPICT_H_ */
+/* + * + * Copyright © 2000 Keith Packard, member of The XFree86 Project, 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 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 + +#ifndef _FBPICT_H_ +#define _FBPICT_H_ + +/* fbpict.c */ +extern _X_EXPORT void +fbComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height); + +/* fbtrap.c */ + +extern _X_EXPORT void +fbAddTraps (PicturePtr pPicture, + INT16 xOff, + INT16 yOff, + int ntrap, + xTrap *traps); + +extern _X_EXPORT void +fbRasterizeTrapezoid (PicturePtr alpha, + xTrapezoid *trap, + int x_off, + int y_off); + +extern _X_EXPORT void +fbAddTriangles (PicturePtr pPicture, + INT16 xOff, + INT16 yOff, + int ntri, + xTriangle *tris); + +extern _X_EXPORT void +fbTrapezoids (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntrap, + xTrapezoid *traps); + +extern _X_EXPORT void +fbTriangles (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntris, + xTriangle *tris); + +#endif /* _FBPICT_H_ */ diff --git a/xorg-server/fb/fbpixmap.c b/xorg-server/fb/fbpixmap.c index 6df46e1c6..9b3e687c1 100644 --- a/xorg-server/fb/fbpixmap.c +++ b/xorg-server/fb/fbpixmap.c @@ -1,381 +1,381 @@ -/*
- * 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);
- if (bpp == 32 && depth <= 24)
- bpp = fbGetScreenPrivate(pScreen)->pix32bpp;
- 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
-
-#include <stdio.h>
-
-static Bool
-fbValidateBits (FbStip *bits, int stride, FbStip data)
-{
- while (stride--)
- {
- if (*bits != data)
- {
- fprintf (stderr, "fbValidateBits failed at 0x%x (is 0x%x want 0x%x)\n",bits, *bits, data);
- 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); + if (bpp == 32 && depth <= 24) + bpp = fbGetScreenPrivate(pScreen)->pix32bpp; + 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 + +#include <stdio.h> + +static Bool +fbValidateBits (FbStip *bits, int stride, FbStip data) +{ + while (stride--) + { + if (*bits != data) + { + fprintf (stderr, "fbValidateBits failed at 0x%x (is 0x%x want 0x%x)\n",bits, *bits, data); + 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 */ diff --git a/xorg-server/fb/fbpoint.c b/xorg-server/fb/fbpoint.c index f7db7e231..bf617708b 100644 --- a/xorg-server/fb/fbpoint.c +++ b/xorg-server/fb/fbpoint.c @@ -1,156 +1,156 @@ -/*
- * 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 "fb.h"
-
-typedef void (*FbDots) (FbBits *dst,
- FbStride dstStride,
- int dstBpp,
- BoxPtr pBox,
- xPoint *pts,
- int npt,
- int xorg,
- int yorg,
- int xoff,
- int yoff,
- FbBits and,
- FbBits xor);
-
-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)
-{
- FbStip *dst = (FbStip *) dstOrig;
- int x1, y1, x2, y2;
- int x, y;
- FbStip *d;
- FbStip and = andOrig;
- FbStip xor = xorOrig;
-
- dstStride = FbBitsStrideToStipStride (dstStride);
- x1 = pBox->x1;
- y1 = pBox->y1;
- x2 = pBox->x2;
- y2 = pBox->y2;
- while (npt--)
- {
- x = pts->x + xorg;
- y = pts->y + yorg;
- pts++;
- if (x1 <= x && x < x2 && y1 <= y && y < y2)
- {
- x = (x + xoff) * dstBpp;
- d = dst + ((y + yoff) * dstStride) + (x >> FB_STIP_SHIFT);
- x &= FB_STIP_MASK;
- if (dstBpp == 24)
- {
- FbStip leftMask, rightMask;
- int n, rot;
- FbStip andT, xorT;
-
- rot = FbFirst24Rot (x);
- andT = FbRot24Stip(and,rot);
- xorT = FbRot24Stip(xor,rot);
- FbMaskStip (x, 24, leftMask, n, rightMask);
- if (leftMask)
- {
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
- andT = FbNext24Stip(andT);
- xorT = FbNext24Stip(xorT);
- d++;
- }
- if (rightMask)
- WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask));
- }
- else
- {
- FbStip mask;
- mask = FbStipMask(x, dstBpp);
- WRITE(d, FbDoMaskRRop (READ(d), and, xor, mask));
- }
- }
- }
-}
-
-void
-fbPolyPoint (DrawablePtr pDrawable,
- GCPtr pGC,
- int mode,
- int nptInit,
- xPoint *pptInit)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- RegionPtr pClip = fbGetCompositeClip(pGC);
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbDots dots;
- FbBits and, xor;
- xPoint *ppt;
- int npt;
- BoxPtr pBox;
- int nBox;
-
- /* make pointlist origin relative */
- ppt = pptInit;
- npt = nptInit;
- if (mode == CoordModePrevious)
- {
- npt--;
- while(npt--)
- {
- ppt++;
- ppt->x += (ppt-1)->x;
- ppt->y += (ppt-1)->y;
- }
- }
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- and = pPriv->and;
- xor = pPriv->xor;
- dots = fbDots;
- switch (dstBpp) {
- case 8: dots = fbDots8; break;
- case 16: dots = fbDots16; break;
- case 24: dots = fbDots24; break;
- case 32: dots = fbDots32; break;
- }
- for (nBox = RegionNumRects (pClip), pBox = RegionRects (pClip);
- nBox--; pBox++)
- (*dots) (dst, dstStride, dstBpp, pBox, pptInit, nptInit,
- pDrawable->x, pDrawable->y, dstXoff, dstYoff, and, xor);
- fbFinishAccess (pDrawable);
-}
+/* + * 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 "fb.h" + +typedef void (*FbDots) (FbBits *dst, + FbStride dstStride, + int dstBpp, + BoxPtr pBox, + xPoint *pts, + int npt, + int xorg, + int yorg, + int xoff, + int yoff, + FbBits and, + FbBits xor); + +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) +{ + FbStip *dst = (FbStip *) dstOrig; + int x1, y1, x2, y2; + int x, y; + FbStip *d; + FbStip and = andOrig; + FbStip xor = xorOrig; + + dstStride = FbBitsStrideToStipStride (dstStride); + x1 = pBox->x1; + y1 = pBox->y1; + x2 = pBox->x2; + y2 = pBox->y2; + while (npt--) + { + x = pts->x + xorg; + y = pts->y + yorg; + pts++; + if (x1 <= x && x < x2 && y1 <= y && y < y2) + { + x = (x + xoff) * dstBpp; + d = dst + ((y + yoff) * dstStride) + (x >> FB_STIP_SHIFT); + x &= FB_STIP_MASK; + if (dstBpp == 24) + { + FbStip leftMask, rightMask; + int n, rot; + FbStip andT, xorT; + + rot = FbFirst24Rot (x); + andT = FbRot24Stip(and,rot); + xorT = FbRot24Stip(xor,rot); + FbMaskStip (x, 24, leftMask, n, rightMask); + if (leftMask) + { + WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask)); + andT = FbNext24Stip(andT); + xorT = FbNext24Stip(xorT); + d++; + } + if (rightMask) + WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask)); + } + else + { + FbStip mask; + mask = FbStipMask(x, dstBpp); + WRITE(d, FbDoMaskRRop (READ(d), and, xor, mask)); + } + } + } +} + +void +fbPolyPoint (DrawablePtr pDrawable, + GCPtr pGC, + int mode, + int nptInit, + xPoint *pptInit) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + FbDots dots; + FbBits and, xor; + xPoint *ppt; + int npt; + BoxPtr pBox; + int nBox; + + /* make pointlist origin relative */ + ppt = pptInit; + npt = nptInit; + if (mode == CoordModePrevious) + { + npt--; + while(npt--) + { + ppt++; + ppt->x += (ppt-1)->x; + ppt->y += (ppt-1)->y; + } + } + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + and = pPriv->and; + xor = pPriv->xor; + dots = fbDots; + switch (dstBpp) { + case 8: dots = fbDots8; break; + case 16: dots = fbDots16; break; + case 24: dots = fbDots24; break; + case 32: dots = fbDots32; break; + } + for (nBox = RegionNumRects (pClip), pBox = RegionRects (pClip); + nBox--; pBox++) + (*dots) (dst, dstStride, dstBpp, pBox, pptInit, nptInit, + pDrawable->x, pDrawable->y, dstXoff, dstYoff, and, xor); + fbFinishAccess (pDrawable); +} diff --git a/xorg-server/fb/fbscreen.c b/xorg-server/fb/fbscreen.c index e5fc508f9..9e6ecf50f 100644 --- a/xorg-server/fb/fbscreen.c +++ b/xorg-server/fb/fbscreen.c @@ -1,278 +1,278 @@ -/*
- * 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 "fb.h"
-
-Bool
-fbCloseScreen (int index, ScreenPtr pScreen)
-{
- int d;
- DepthPtr depths = pScreen->allowedDepths;
-
- for (d = 0; d < pScreen->numDepths; d++)
- free(depths[d].vids);
- free(depths);
- free(pScreen->visuals);
- free(pScreen->devPrivate);
- return TRUE;
-}
-
-Bool
-fbRealizeFont(ScreenPtr pScreen, FontPtr pFont)
-{
- return TRUE;
-}
-
-Bool
-fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont)
-{
- return TRUE;
-}
-
-void
-fbQueryBestSize (int class,
- unsigned short *width, unsigned short *height,
- ScreenPtr pScreen)
-{
- unsigned short w;
-
- switch (class) {
- case CursorShape:
- if (*width > pScreen->width)
- *width = pScreen->width;
- if (*height > pScreen->height)
- *height = pScreen->height;
- break;
- case TileShape:
- case StippleShape:
- w = *width;
- if ((w & (w - 1)) && w < FB_UNIT)
- {
- for (w = 1; w < *width; w <<= 1)
- ;
- *width = w;
- }
- }
-}
-
-PixmapPtr
-_fbGetWindowPixmap (WindowPtr pWindow)
-{
- return fbGetWindowPixmap (pWindow);
-}
-
-void
-_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
-{
- dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap);
-}
-
-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 for screen */
-{
- if (!fbAllocatePrivates(pScreen, NULL))
- return FALSE;
- pScreen->defColormap = FakeClientID(0);
- /* let CreateDefColormap do whatever it wants for pixels */
- pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
- pScreen->QueryBestSize = fbQueryBestSize;
- /* SaveScreen */
- pScreen->GetImage = fbGetImage;
- pScreen->GetSpans = fbGetSpans;
- pScreen->CreateWindow = fbCreateWindow;
- pScreen->DestroyWindow = fbDestroyWindow;
- pScreen->PositionWindow = fbPositionWindow;
- pScreen->ChangeWindowAttributes = fbChangeWindowAttributes;
- pScreen->RealizeWindow = fbMapWindow;
- pScreen->UnrealizeWindow = fbUnmapWindow;
- pScreen->CopyWindow = fbCopyWindow;
- pScreen->CreatePixmap = fbCreatePixmap;
- pScreen->DestroyPixmap = fbDestroyPixmap;
- pScreen->RealizeFont = fbRealizeFont;
- pScreen->UnrealizeFont = fbUnrealizeFont;
- pScreen->CreateGC = fbCreateGC;
- pScreen->CreateColormap = fbInitializeColormap;
- pScreen->DestroyColormap = (void (*)(ColormapPtr))NoopDDA;
- pScreen->InstallColormap = fbInstallColormap;
- pScreen->UninstallColormap = fbUninstallColormap;
- pScreen->ListInstalledColormaps = fbListInstalledColormaps;
- pScreen->StoreColors = (void (*)(ColormapPtr, int, xColorItem *))NoopDDA;
- pScreen->ResolveColor = fbResolveColor;
- pScreen->BitmapToRegion = fbPixmapToRegion;
-
- pScreen->GetWindowPixmap = _fbGetWindowPixmap;
- pScreen->SetWindowPixmap = _fbSetWindowPixmap;
-
- return TRUE;
-}
-
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbFinishScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp,
- SetupWrapProcPtr setupWrap,
- FinishWrapProcPtr finishWrap)
-#else
-Bool
-fbFinishScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp)
-#endif
-{
- VisualPtr visuals;
- DepthPtr depths;
- int nvisuals;
- int ndepths;
- int rootdepth;
- VisualID defaultVisual;
- int imagebpp = bpp;
-
-#ifdef FB_DEBUG
- int stride;
-
- ysize -= 2;
- stride = (width * bpp) / 8;
- fbSetBits ((FbStip *) pbits,
- stride / sizeof (FbStip), FB_HEAD_BITS);
- pbits = (void *) ((char *) pbits + stride);
- fbSetBits ((FbStip *) ((char *) pbits + stride * ysize),
- stride / sizeof (FbStip), FB_TAIL_BITS);
-#endif
- /*
- * By default, a 24bpp screen will use 32bpp images, this avoids
- * problems with many applications which just can't handle packed
- * pixels. If you want real 24bit images, include a 24bpp
- * format in the pixmap formats
- */
- if (bpp == 24)
- {
- int f;
-
- imagebpp = 32;
- /*
- * Check to see if we're advertising a 24bpp image format,
- * in which case windows will use it in preference to a 32 bit
- * format.
- */
- for (f = 0; f < screenInfo.numPixmapFormats; f++)
- {
- if (screenInfo.formats[f].bitsPerPixel == 24)
- {
- imagebpp = 24;
- break;
- }
- }
- }
- if (imagebpp == 32)
- {
- fbGetScreenPrivate(pScreen)->win32bpp = bpp;
- fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
- }
- else
- {
- fbGetScreenPrivate(pScreen)->win32bpp = 32;
- fbGetScreenPrivate(pScreen)->pix32bpp = 32;
- }
-#ifdef FB_ACCESS_WRAPPER
- fbGetScreenPrivate(pScreen)->setupWrap = setupWrap;
- fbGetScreenPrivate(pScreen)->finishWrap = finishWrap;
-#endif
- rootdepth = 0;
- if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
- &defaultVisual,((unsigned long)1<<(imagebpp-1)), 8))
- return FALSE;
- if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
- rootdepth, ndepths, depths,
- defaultVisual, nvisuals, visuals))
- return FALSE;
- /* overwrite miCloseScreen with our own */
- pScreen->CloseScreen = fbCloseScreen;
- if (bpp == 24 && imagebpp == 32)
- {
- pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
- pScreen->CreateScreenResources = fb24_32CreateScreenResources;
- }
- return TRUE;
-}
-
-/* dts * (inch/dot) * (25.4 mm / inch) = mm */
-#ifdef FB_ACCESS_WRAPPER
-Bool
-wfbScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp,
- SetupWrapProcPtr setupWrap,
- FinishWrapProcPtr finishWrap)
-{
- if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
- return FALSE;
- if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
- width, bpp, setupWrap, finishWrap))
- return FALSE;
- return TRUE;
-}
-#else
-Bool
-fbScreenInit(ScreenPtr pScreen,
- pointer pbits,
- int xsize,
- int ysize,
- int dpix,
- int dpiy,
- int width,
- int bpp)
-{
- if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
- return FALSE;
- if (!fbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
- width, bpp))
- return FALSE;
- return TRUE;
-}
-#endif
+/* + * 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 "fb.h" + +Bool +fbCloseScreen (int index, ScreenPtr pScreen) +{ + int d; + DepthPtr depths = pScreen->allowedDepths; + + for (d = 0; d < pScreen->numDepths; d++) + free(depths[d].vids); + free(depths); + free(pScreen->visuals); + free(pScreen->devPrivate); + return TRUE; +} + +Bool +fbRealizeFont(ScreenPtr pScreen, FontPtr pFont) +{ + return TRUE; +} + +Bool +fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont) +{ + return TRUE; +} + +void +fbQueryBestSize (int class, + unsigned short *width, unsigned short *height, + ScreenPtr pScreen) +{ + unsigned short w; + + switch (class) { + case CursorShape: + if (*width > pScreen->width) + *width = pScreen->width; + if (*height > pScreen->height) + *height = pScreen->height; + break; + case TileShape: + case StippleShape: + w = *width; + if ((w & (w - 1)) && w < FB_UNIT) + { + for (w = 1; w < *width; w <<= 1) + ; + *width = w; + } + } +} + +PixmapPtr +_fbGetWindowPixmap (WindowPtr pWindow) +{ + return fbGetWindowPixmap (pWindow); +} + +void +_fbSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap) +{ + dixSetPrivate(&pWindow->devPrivates, fbGetWinPrivateKey(), pPixmap); +} + +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 for screen */ +{ + if (!fbAllocatePrivates(pScreen, NULL)) + return FALSE; + pScreen->defColormap = FakeClientID(0); + /* let CreateDefColormap do whatever it wants for pixels */ + pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0; + pScreen->QueryBestSize = fbQueryBestSize; + /* SaveScreen */ + pScreen->GetImage = fbGetImage; + pScreen->GetSpans = fbGetSpans; + pScreen->CreateWindow = fbCreateWindow; + pScreen->DestroyWindow = fbDestroyWindow; + pScreen->PositionWindow = fbPositionWindow; + pScreen->ChangeWindowAttributes = fbChangeWindowAttributes; + pScreen->RealizeWindow = fbMapWindow; + pScreen->UnrealizeWindow = fbUnmapWindow; + pScreen->CopyWindow = fbCopyWindow; + pScreen->CreatePixmap = fbCreatePixmap; + pScreen->DestroyPixmap = fbDestroyPixmap; + pScreen->RealizeFont = fbRealizeFont; + pScreen->UnrealizeFont = fbUnrealizeFont; + pScreen->CreateGC = fbCreateGC; + pScreen->CreateColormap = fbInitializeColormap; + pScreen->DestroyColormap = (void (*)(ColormapPtr))NoopDDA; + pScreen->InstallColormap = fbInstallColormap; + pScreen->UninstallColormap = fbUninstallColormap; + pScreen->ListInstalledColormaps = fbListInstalledColormaps; + pScreen->StoreColors = (void (*)(ColormapPtr, int, xColorItem *))NoopDDA; + pScreen->ResolveColor = fbResolveColor; + pScreen->BitmapToRegion = fbPixmapToRegion; + + pScreen->GetWindowPixmap = _fbGetWindowPixmap; + pScreen->SetWindowPixmap = _fbSetWindowPixmap; + + return TRUE; +} + +#ifdef FB_ACCESS_WRAPPER +Bool +wfbFinishScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp, + SetupWrapProcPtr setupWrap, + FinishWrapProcPtr finishWrap) +#else +Bool +fbFinishScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp) +#endif +{ + VisualPtr visuals; + DepthPtr depths; + int nvisuals; + int ndepths; + int rootdepth; + VisualID defaultVisual; + int imagebpp = bpp; + +#ifdef FB_DEBUG + int stride; + + ysize -= 2; + stride = (width * bpp) / 8; + fbSetBits ((FbStip *) pbits, + stride / sizeof (FbStip), FB_HEAD_BITS); + pbits = (void *) ((char *) pbits + stride); + fbSetBits ((FbStip *) ((char *) pbits + stride * ysize), + stride / sizeof (FbStip), FB_TAIL_BITS); +#endif + /* + * By default, a 24bpp screen will use 32bpp images, this avoids + * problems with many applications which just can't handle packed + * pixels. If you want real 24bit images, include a 24bpp + * format in the pixmap formats + */ + if (bpp == 24) + { + int f; + + imagebpp = 32; + /* + * Check to see if we're advertising a 24bpp image format, + * in which case windows will use it in preference to a 32 bit + * format. + */ + for (f = 0; f < screenInfo.numPixmapFormats; f++) + { + if (screenInfo.formats[f].bitsPerPixel == 24) + { + imagebpp = 24; + break; + } + } + } + if (imagebpp == 32) + { + fbGetScreenPrivate(pScreen)->win32bpp = bpp; + fbGetScreenPrivate(pScreen)->pix32bpp = bpp; + } + else + { + fbGetScreenPrivate(pScreen)->win32bpp = 32; + fbGetScreenPrivate(pScreen)->pix32bpp = 32; + } +#ifdef FB_ACCESS_WRAPPER + fbGetScreenPrivate(pScreen)->setupWrap = setupWrap; + fbGetScreenPrivate(pScreen)->finishWrap = finishWrap; +#endif + rootdepth = 0; + if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth, + &defaultVisual,((unsigned long)1<<(imagebpp-1)), 8)) + return FALSE; + if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width, + rootdepth, ndepths, depths, + defaultVisual, nvisuals, visuals)) + return FALSE; + /* overwrite miCloseScreen with our own */ + pScreen->CloseScreen = fbCloseScreen; + if (bpp == 24 && imagebpp == 32) + { + pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader; + pScreen->CreateScreenResources = fb24_32CreateScreenResources; + } + return TRUE; +} + +/* dts * (inch/dot) * (25.4 mm / inch) = mm */ +#ifdef FB_ACCESS_WRAPPER +Bool +wfbScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp, + SetupWrapProcPtr setupWrap, + FinishWrapProcPtr finishWrap) +{ + if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp)) + return FALSE; + if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, + width, bpp, setupWrap, finishWrap)) + return FALSE; + return TRUE; +} +#else +Bool +fbScreenInit(ScreenPtr pScreen, + pointer pbits, + int xsize, + int ysize, + int dpix, + int dpiy, + int width, + int bpp) +{ + if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp)) + return FALSE; + if (!fbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, + width, bpp)) + return FALSE; + return TRUE; +} +#endif diff --git a/xorg-server/fb/fbseg.c b/xorg-server/fb/fbseg.c index 4885bd87f..5a458fe51 100644 --- a/xorg-server/fb/fbseg.c +++ b/xorg-server/fb/fbseg.c @@ -1,722 +1,722 @@ -/*
- * 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"
-#include "miline.h"
-
-#define fbBresShiftMask(mask,dir,bpp) ((bpp == FB_STIP_UNIT) ? 0 : \
- ((dir < 0) ? FbStipLeft(mask,bpp) : \
- FbStipRight(mask,bpp)))
-
-void
-fbBresSolid (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbStip and = (FbStip) pPriv->and;
- FbStip xor = (FbStip) pPriv->xor;
- FbStip mask, mask0;
- FbStip bits;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- dst += ((y1 + dstYoff) * dstStride);
- x1 = (x1 + dstXoff) * dstBpp;
- dst += x1 >> FB_STIP_SHIFT;
- x1 &= FB_STIP_MASK;
- mask0 = FbStipMask(0, dstBpp);
- mask = FbStipRight (mask0, x1);
- if (signdx < 0)
- mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
- if (signdy < 0)
- dstStride = -dstStride;
- if (axis == X_AXIS)
- {
- bits = 0;
- while (len--)
- {
- bits |= mask;
- mask = fbBresShiftMask(mask,signdx,dstBpp);
- if (!mask)
- {
- WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
- bits = 0;
- dst += signdx;
- mask = mask0;
- }
- e += e1;
- if (e >= 0)
- {
- WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
- bits = 0;
- dst += dstStride;
- e += e3;
- }
- }
- if (bits)
- WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
- }
- else
- {
- while (len--)
- {
- WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
- dst += dstStride;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- mask = fbBresShiftMask(mask,signdx,dstBpp);
- if (!mask)
- {
- dst += signdx;
- mask = mask0;
- }
- }
- }
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fbBresDash (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbStip and = (FbStip) pPriv->and;
- FbStip xor = (FbStip) pPriv->xor;
- FbStip bgand = (FbStip) pPriv->bgand;
- FbStip bgxor = (FbStip) pPriv->bgxor;
- FbStip mask, mask0;
- FbDashDeclare;
- int dashlen;
- Bool even;
- Bool doOdd;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- doOdd = pGC->lineStyle == LineDoubleDash;
-
- FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-
- dst += ((y1 + dstYoff) * dstStride);
- x1 = (x1 + dstXoff) * dstBpp;
- dst += x1 >> FB_STIP_SHIFT;
- x1 &= FB_STIP_MASK;
- mask0 = FbStipMask(0, dstBpp);
- mask = FbStipRight (mask0, x1);
- if (signdx < 0)
- mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
- if (signdy < 0)
- dstStride = -dstStride;
- while (len--)
- {
- if (even)
- WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
- else if (doOdd)
- WRITE(dst, FbDoMaskRRop (READ(dst), bgand, bgxor, mask));
- if (axis == X_AXIS)
- {
- mask = fbBresShiftMask(mask,signdx,dstBpp);
- if (!mask)
- {
- dst += signdx;
- mask = mask0;
- }
- e += e1;
- if (e >= 0)
- {
- dst += dstStride;
- e += e3;
- }
- }
- else
- {
- dst += dstStride;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- mask = fbBresShiftMask(mask,signdx,dstBpp);
- if (!mask)
- {
- dst += signdx;
- mask = mask0;
- }
- }
- }
- FbDashStep (dashlen, even);
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fbBresFill (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- while (len--)
- {
- fbFill (pDrawable, pGC, x1, y1, 1, 1);
- if (axis == X_AXIS)
- {
- x1 += signdx;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- y1 += signdy;
- }
- }
- else
- {
- y1 += signdy;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- x1 += signdx;
- }
- }
- }
-}
-
-static void
-fbSetFg (DrawablePtr pDrawable,
- GCPtr pGC,
- Pixel fg)
-{
- if (fg != pGC->fgPixel)
- {
- ChangeGCVal val;
- val.val = fg;
- ChangeGC (NullClient, pGC, GCForeground, &val);
- ValidateGC (pDrawable, pGC);
- }
-}
-
-void
-fbBresFillDash (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbDashDeclare;
- int dashlen;
- Bool even;
- Bool doOdd;
- Bool doBg;
- Pixel fg, bg;
-
- fg = pGC->fgPixel;
- bg = pGC->bgPixel;
-
- /* whether to fill the odd dashes */
- doOdd = pGC->lineStyle == LineDoubleDash;
- /* whether to switch fg to bg when filling odd dashes */
- doBg = doOdd && (pGC->fillStyle == FillSolid ||
- pGC->fillStyle == FillStippled);
-
- /* compute current dash position */
- FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-
- while (len--)
- {
- if (even || doOdd)
- {
- if (doBg)
- {
- if (even)
- fbSetFg (pDrawable, pGC, fg);
- else
- fbSetFg (pDrawable, pGC, bg);
- }
- fbFill (pDrawable, pGC, x1, y1, 1, 1);
- }
- if (axis == X_AXIS)
- {
- x1 += signdx;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- y1 += signdy;
- }
- }
- else
- {
- y1 += signdy;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- x1 += signdx;
- }
- }
- FbDashStep (dashlen, even);
- }
- if (doBg)
- fbSetFg (pDrawable, pGC, fg);
-}
-
-static void
-fbBresSolid24RRop (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbStip and = pPriv->and;
- FbStip xor = pPriv->xor;
- FbStip leftMask, rightMask;
- int nl;
- FbStip *d;
- int x;
- int rot;
- FbStip andT, xorT;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- dst += ((y1 + dstYoff) * dstStride);
- x1 = (x1 + dstXoff) * 24;
- if (signdy < 0)
- dstStride = -dstStride;
- signdx *= 24;
- while (len--)
- {
- d = dst + (x1 >> FB_STIP_SHIFT);
- x = x1 & FB_STIP_MASK;
- rot = FbFirst24Rot (x);
- andT = FbRot24Stip(and,rot);
- xorT = FbRot24Stip(xor,rot);
- FbMaskStip (x, 24, leftMask, nl, rightMask);
- if (leftMask)
- {
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
- d++;
- andT = FbNext24Stip (andT);
- xorT = FbNext24Stip (xorT);
- }
- if (rightMask)
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
- if (axis == X_AXIS)
- {
- x1 += signdx;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- dst += dstStride;
- }
- }
- else
- {
- dst += dstStride;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- x1 += signdx;
- }
- }
- }
-
- fbFinishAccess (pDrawable);
-}
-
-static void
-fbBresDash24RRop (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- FbStip andT, xorT;
- FbStip fgand = pPriv->and;
- FbStip fgxor = pPriv->xor;
- FbStip bgand = pPriv->bgand;
- FbStip bgxor = pPriv->bgxor;
- FbStip leftMask, rightMask;
- int nl;
- FbStip *d;
- int x;
- int rot;
- FbDashDeclare;
- int dashlen;
- Bool even;
- Bool doOdd;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- doOdd = pGC->lineStyle == LineDoubleDash;
-
- /* compute current dash position */
- FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
-
- dst += ((y1 + dstYoff) * dstStride);
- x1 = (x1 + dstXoff) * 24;
- if (signdy < 0)
- dstStride = -dstStride;
- signdx *= 24;
- while (len--)
- {
- if (even || doOdd)
- {
- if (even)
- {
- andT = fgand;
- xorT = fgxor;
- }
- else
- {
- andT = bgand;
- xorT = bgxor;
- }
- d = dst + (x1 >> FB_STIP_SHIFT);
- x = x1 & FB_STIP_MASK;
- rot = FbFirst24Rot (x);
- andT = FbRot24Stip (andT, rot);
- xorT = FbRot24Stip (xorT, rot);
- FbMaskStip (x, 24, leftMask, nl, rightMask);
- if (leftMask)
- {
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
- d++;
- andT = FbNext24Stip (andT);
- xorT = FbNext24Stip (xorT);
- }
- if (rightMask)
- WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
- }
- if (axis == X_AXIS)
- {
- x1 += signdx;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- dst += dstStride;
- }
- }
- else
- {
- dst += dstStride;
- e += e1;
- if (e >= 0)
- {
- e += e3;
- x1 += signdx;
- }
- }
- FbDashStep (dashlen, even);
- }
-
- fbFinishAccess (pDrawable);
-}
-
-/*
- * For drivers that want to bail drawing some lines, this
- * function takes care of selecting the appropriate rasterizer
- * based on the contents of the specified GC.
- */
-
-FbBres *
-fbSelectBres (DrawablePtr pDrawable,
- GCPtr pGC)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- int dstBpp = pDrawable->bitsPerPixel;
- FbBres * bres;
-
- if (pGC->lineStyle == LineSolid)
- {
- bres = fbBresFill;
- if (pGC->fillStyle == FillSolid)
- {
- bres = fbBresSolid;
- if (dstBpp == 24)
- bres = fbBresSolid24RRop;
- if (pPriv->and == 0)
- {
- switch (dstBpp) {
- case 8: bres = fbBresSolid8; break;
- case 16: bres = fbBresSolid16; break;
- case 24: bres = fbBresSolid24; break;
- case 32: bres = fbBresSolid32; break;
- }
- }
- }
- }
- else
- {
- bres = fbBresFillDash;
- if (pGC->fillStyle == FillSolid)
- {
- bres = fbBresDash;
- if (dstBpp == 24)
- bres = fbBresDash24RRop;
- if (pPriv->and == 0 &&
- (pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0))
- {
- switch (dstBpp) {
- case 8: bres = fbBresDash8; break;
- case 16: bres = fbBresDash16; break;
- case 24: bres = fbBresDash24; break;
- case 32: bres = fbBresDash32; break;
- }
- }
- }
- }
- return bres;
-}
-
-void
-fbBres (DrawablePtr pDrawable,
- GCPtr pGC,
- int dashOffset,
- int signdx,
- int signdy,
- int axis,
- int x1,
- int y1,
- int e,
- int e1,
- int e3,
- int len)
-{
- (*fbSelectBres (pDrawable, pGC)) (pDrawable, pGC, dashOffset,
- signdx, signdy, axis, x1, y1,
- e, e1, e3, len);
-}
-
-void
-fbSegment (DrawablePtr pDrawable,
- GCPtr pGC,
- int x1,
- int y1,
- int x2,
- int y2,
- Bool drawLast,
- int *dashOffset)
-{
- FbBres * bres;
- RegionPtr pClip = fbGetCompositeClip(pGC);
- BoxPtr pBox;
- int nBox;
- int adx; /* abs values of dx and dy */
- int ady;
- int signdx; /* sign of dx and dy */
- int signdy;
- int e, e1, e2, e3; /* bresenham error and increments */
- int len; /* length of segment */
- int axis; /* major axis */
- int octant;
- int dashoff;
- int doff;
- unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
- unsigned int oc1; /* outcode of point 1 */
- unsigned int oc2; /* outcode of point 2 */
-
- nBox = RegionNumRects (pClip);
- pBox = RegionRects (pClip);
-
- bres = fbSelectBres (pDrawable, pGC);
-
- CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy,
- 1, 1, octant);
-
- if (adx > ady)
- {
- axis = X_AXIS;
- e1 = ady << 1;
- e2 = e1 - (adx << 1);
- e = e1 - adx;
- len = adx;
- }
- else
- {
- axis = Y_AXIS;
- e1 = adx << 1;
- e2 = e1 - (ady << 1);
- e = e1 - ady;
- SetYMajorOctant(octant);
- len = ady;
- }
-
- FIXUP_ERROR (e, octant, bias);
-
- /*
- * Adjust error terms to compare against zero
- */
- e3 = e2 - e1;
- e = e - e1;
-
- /* we have bresenham parameters and two points.
- all we have to do now is clip and draw.
- */
-
- if (drawLast)
- len++;
- dashoff = *dashOffset;
- *dashOffset = dashoff + len;
- while(nBox--)
- {
- oc1 = 0;
- oc2 = 0;
- OUTCODES(oc1, x1, y1, pBox);
- OUTCODES(oc2, x2, y2, pBox);
- if ((oc1 | oc2) == 0)
- {
- (*bres) (pDrawable, pGC, dashoff,
- signdx, signdy, axis, x1, y1,
- e, e1, e3, len);
- break;
- }
- else if (oc1 & oc2)
- {
- pBox++;
- }
- else
- {
- int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;
- int clip1 = 0, clip2 = 0;
- int clipdx, clipdy;
- int err;
-
- if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1,
- pBox->y2-1,
- &new_x1, &new_y1, &new_x2, &new_y2,
- adx, ady, &clip1, &clip2,
- octant, bias, oc1, oc2) == -1)
- {
- pBox++;
- continue;
- }
-
- if (axis == X_AXIS)
- len = abs(new_x2 - new_x1);
- else
- len = abs(new_y2 - new_y1);
- if (clip2 != 0 || drawLast)
- len++;
- if (len)
- {
- /* unwind bresenham error term to first point */
- doff = dashoff;
- err = e;
- if (clip1)
- {
- clipdx = abs(new_x1 - x1);
- clipdy = abs(new_y1 - y1);
- if (axis == X_AXIS)
- {
- doff += clipdx;
- err += e3 * clipdy + e1 * clipdx;
- }
- else
- {
- doff += clipdy;
- err += e3 * clipdx + e1 * clipdy;
- }
- }
- (*bres) (pDrawable, pGC, doff,
- signdx, signdy, axis, new_x1, new_y1,
- err, e1, e3, len);
- }
- pBox++;
- }
- } /* while (nBox--) */
-}
+/* + * 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" +#include "miline.h" + +#define fbBresShiftMask(mask,dir,bpp) ((bpp == FB_STIP_UNIT) ? 0 : \ + ((dir < 0) ? FbStipLeft(mask,bpp) : \ + FbStipRight(mask,bpp))) + +void +fbBresSolid (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbStip and = (FbStip) pPriv->and; + FbStip xor = (FbStip) pPriv->xor; + FbStip mask, mask0; + FbStip bits; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + dst += ((y1 + dstYoff) * dstStride); + x1 = (x1 + dstXoff) * dstBpp; + dst += x1 >> FB_STIP_SHIFT; + x1 &= FB_STIP_MASK; + mask0 = FbStipMask(0, dstBpp); + mask = FbStipRight (mask0, x1); + if (signdx < 0) + mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp); + if (signdy < 0) + dstStride = -dstStride; + if (axis == X_AXIS) + { + bits = 0; + while (len--) + { + bits |= mask; + mask = fbBresShiftMask(mask,signdx,dstBpp); + if (!mask) + { + WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits)); + bits = 0; + dst += signdx; + mask = mask0; + } + e += e1; + if (e >= 0) + { + WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits)); + bits = 0; + dst += dstStride; + e += e3; + } + } + if (bits) + WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits)); + } + else + { + while (len--) + { + WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask)); + dst += dstStride; + e += e1; + if (e >= 0) + { + e += e3; + mask = fbBresShiftMask(mask,signdx,dstBpp); + if (!mask) + { + dst += signdx; + mask = mask0; + } + } + } + } + + fbFinishAccess (pDrawable); +} + +void +fbBresDash (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbStip and = (FbStip) pPriv->and; + FbStip xor = (FbStip) pPriv->xor; + FbStip bgand = (FbStip) pPriv->bgand; + FbStip bgxor = (FbStip) pPriv->bgxor; + FbStip mask, mask0; + FbDashDeclare; + int dashlen; + Bool even; + Bool doOdd; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + doOdd = pGC->lineStyle == LineDoubleDash; + + FbDashInit (pGC, pPriv, dashOffset, dashlen, even); + + dst += ((y1 + dstYoff) * dstStride); + x1 = (x1 + dstXoff) * dstBpp; + dst += x1 >> FB_STIP_SHIFT; + x1 &= FB_STIP_MASK; + mask0 = FbStipMask(0, dstBpp); + mask = FbStipRight (mask0, x1); + if (signdx < 0) + mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp); + if (signdy < 0) + dstStride = -dstStride; + while (len--) + { + if (even) + WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask)); + else if (doOdd) + WRITE(dst, FbDoMaskRRop (READ(dst), bgand, bgxor, mask)); + if (axis == X_AXIS) + { + mask = fbBresShiftMask(mask,signdx,dstBpp); + if (!mask) + { + dst += signdx; + mask = mask0; + } + e += e1; + if (e >= 0) + { + dst += dstStride; + e += e3; + } + } + else + { + dst += dstStride; + e += e1; + if (e >= 0) + { + e += e3; + mask = fbBresShiftMask(mask,signdx,dstBpp); + if (!mask) + { + dst += signdx; + mask = mask0; + } + } + } + FbDashStep (dashlen, even); + } + + fbFinishAccess (pDrawable); +} + +void +fbBresFill (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + while (len--) + { + fbFill (pDrawable, pGC, x1, y1, 1, 1); + if (axis == X_AXIS) + { + x1 += signdx; + e += e1; + if (e >= 0) + { + e += e3; + y1 += signdy; + } + } + else + { + y1 += signdy; + e += e1; + if (e >= 0) + { + e += e3; + x1 += signdx; + } + } + } +} + +static void +fbSetFg (DrawablePtr pDrawable, + GCPtr pGC, + Pixel fg) +{ + if (fg != pGC->fgPixel) + { + ChangeGCVal val; + val.val = fg; + ChangeGC (NullClient, pGC, GCForeground, &val); + ValidateGC (pDrawable, pGC); + } +} + +void +fbBresFillDash (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbDashDeclare; + int dashlen; + Bool even; + Bool doOdd; + Bool doBg; + Pixel fg, bg; + + fg = pGC->fgPixel; + bg = pGC->bgPixel; + + /* whether to fill the odd dashes */ + doOdd = pGC->lineStyle == LineDoubleDash; + /* whether to switch fg to bg when filling odd dashes */ + doBg = doOdd && (pGC->fillStyle == FillSolid || + pGC->fillStyle == FillStippled); + + /* compute current dash position */ + FbDashInit (pGC, pPriv, dashOffset, dashlen, even); + + while (len--) + { + if (even || doOdd) + { + if (doBg) + { + if (even) + fbSetFg (pDrawable, pGC, fg); + else + fbSetFg (pDrawable, pGC, bg); + } + fbFill (pDrawable, pGC, x1, y1, 1, 1); + } + if (axis == X_AXIS) + { + x1 += signdx; + e += e1; + if (e >= 0) + { + e += e3; + y1 += signdy; + } + } + else + { + y1 += signdy; + e += e1; + if (e >= 0) + { + e += e3; + x1 += signdx; + } + } + FbDashStep (dashlen, even); + } + if (doBg) + fbSetFg (pDrawable, pGC, fg); +} + +static void +fbBresSolid24RRop (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbStip and = pPriv->and; + FbStip xor = pPriv->xor; + FbStip leftMask, rightMask; + int nl; + FbStip *d; + int x; + int rot; + FbStip andT, xorT; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + dst += ((y1 + dstYoff) * dstStride); + x1 = (x1 + dstXoff) * 24; + if (signdy < 0) + dstStride = -dstStride; + signdx *= 24; + while (len--) + { + d = dst + (x1 >> FB_STIP_SHIFT); + x = x1 & FB_STIP_MASK; + rot = FbFirst24Rot (x); + andT = FbRot24Stip(and,rot); + xorT = FbRot24Stip(xor,rot); + FbMaskStip (x, 24, leftMask, nl, rightMask); + if (leftMask) + { + WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask)); + d++; + andT = FbNext24Stip (andT); + xorT = FbNext24Stip (xorT); + } + if (rightMask) + WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask)); + if (axis == X_AXIS) + { + x1 += signdx; + e += e1; + if (e >= 0) + { + e += e3; + dst += dstStride; + } + } + else + { + dst += dstStride; + e += e1; + if (e >= 0) + { + e += e3; + x1 += signdx; + } + } + } + + fbFinishAccess (pDrawable); +} + +static void +fbBresDash24RRop (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbStip andT, xorT; + FbStip fgand = pPriv->and; + FbStip fgxor = pPriv->xor; + FbStip bgand = pPriv->bgand; + FbStip bgxor = pPriv->bgxor; + FbStip leftMask, rightMask; + int nl; + FbStip *d; + int x; + int rot; + FbDashDeclare; + int dashlen; + Bool even; + Bool doOdd; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + doOdd = pGC->lineStyle == LineDoubleDash; + + /* compute current dash position */ + FbDashInit(pGC, pPriv, dashOffset, dashlen, even); + + dst += ((y1 + dstYoff) * dstStride); + x1 = (x1 + dstXoff) * 24; + if (signdy < 0) + dstStride = -dstStride; + signdx *= 24; + while (len--) + { + if (even || doOdd) + { + if (even) + { + andT = fgand; + xorT = fgxor; + } + else + { + andT = bgand; + xorT = bgxor; + } + d = dst + (x1 >> FB_STIP_SHIFT); + x = x1 & FB_STIP_MASK; + rot = FbFirst24Rot (x); + andT = FbRot24Stip (andT, rot); + xorT = FbRot24Stip (xorT, rot); + FbMaskStip (x, 24, leftMask, nl, rightMask); + if (leftMask) + { + WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask)); + d++; + andT = FbNext24Stip (andT); + xorT = FbNext24Stip (xorT); + } + if (rightMask) + WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask)); + } + if (axis == X_AXIS) + { + x1 += signdx; + e += e1; + if (e >= 0) + { + e += e3; + dst += dstStride; + } + } + else + { + dst += dstStride; + e += e1; + if (e >= 0) + { + e += e3; + x1 += signdx; + } + } + FbDashStep (dashlen, even); + } + + fbFinishAccess (pDrawable); +} + +/* + * For drivers that want to bail drawing some lines, this + * function takes care of selecting the appropriate rasterizer + * based on the contents of the specified GC. + */ + +FbBres * +fbSelectBres (DrawablePtr pDrawable, + GCPtr pGC) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + int dstBpp = pDrawable->bitsPerPixel; + FbBres * bres; + + if (pGC->lineStyle == LineSolid) + { + bres = fbBresFill; + if (pGC->fillStyle == FillSolid) + { + bres = fbBresSolid; + if (dstBpp == 24) + bres = fbBresSolid24RRop; + if (pPriv->and == 0) + { + switch (dstBpp) { + case 8: bres = fbBresSolid8; break; + case 16: bres = fbBresSolid16; break; + case 24: bres = fbBresSolid24; break; + case 32: bres = fbBresSolid32; break; + } + } + } + } + else + { + bres = fbBresFillDash; + if (pGC->fillStyle == FillSolid) + { + bres = fbBresDash; + if (dstBpp == 24) + bres = fbBresDash24RRop; + if (pPriv->and == 0 && + (pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0)) + { + switch (dstBpp) { + case 8: bres = fbBresDash8; break; + case 16: bres = fbBresDash16; break; + case 24: bres = fbBresDash24; break; + case 32: bres = fbBresDash32; break; + } + } + } + } + return bres; +} + +void +fbBres (DrawablePtr pDrawable, + GCPtr pGC, + int dashOffset, + int signdx, + int signdy, + int axis, + int x1, + int y1, + int e, + int e1, + int e3, + int len) +{ + (*fbSelectBres (pDrawable, pGC)) (pDrawable, pGC, dashOffset, + signdx, signdy, axis, x1, y1, + e, e1, e3, len); +} + +void +fbSegment (DrawablePtr pDrawable, + GCPtr pGC, + int x1, + int y1, + int x2, + int y2, + Bool drawLast, + int *dashOffset) +{ + FbBres * bres; + RegionPtr pClip = fbGetCompositeClip(pGC); + BoxPtr pBox; + int nBox; + int adx; /* abs values of dx and dy */ + int ady; + int signdx; /* sign of dx and dy */ + int signdy; + int e, e1, e2, e3; /* bresenham error and increments */ + int len; /* length of segment */ + int axis; /* major axis */ + int octant; + int dashoff; + int doff; + unsigned int bias = miGetZeroLineBias(pDrawable->pScreen); + unsigned int oc1; /* outcode of point 1 */ + unsigned int oc2; /* outcode of point 2 */ + + nBox = RegionNumRects (pClip); + pBox = RegionRects (pClip); + + bres = fbSelectBres (pDrawable, pGC); + + CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, + 1, 1, octant); + + if (adx > ady) + { + axis = X_AXIS; + e1 = ady << 1; + e2 = e1 - (adx << 1); + e = e1 - adx; + len = adx; + } + else + { + axis = Y_AXIS; + e1 = adx << 1; + e2 = e1 - (ady << 1); + e = e1 - ady; + SetYMajorOctant(octant); + len = ady; + } + + FIXUP_ERROR (e, octant, bias); + + /* + * Adjust error terms to compare against zero + */ + e3 = e2 - e1; + e = e - e1; + + /* we have bresenham parameters and two points. + all we have to do now is clip and draw. + */ + + if (drawLast) + len++; + dashoff = *dashOffset; + *dashOffset = dashoff + len; + while(nBox--) + { + oc1 = 0; + oc2 = 0; + OUTCODES(oc1, x1, y1, pBox); + OUTCODES(oc2, x2, y2, pBox); + if ((oc1 | oc2) == 0) + { + (*bres) (pDrawable, pGC, dashoff, + signdx, signdy, axis, x1, y1, + e, e1, e3, len); + break; + } + else if (oc1 & oc2) + { + pBox++; + } + else + { + int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2; + int clip1 = 0, clip2 = 0; + int clipdx, clipdy; + int err; + + if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1, + pBox->y2-1, + &new_x1, &new_y1, &new_x2, &new_y2, + adx, ady, &clip1, &clip2, + octant, bias, oc1, oc2) == -1) + { + pBox++; + continue; + } + + if (axis == X_AXIS) + len = abs(new_x2 - new_x1); + else + len = abs(new_y2 - new_y1); + if (clip2 != 0 || drawLast) + len++; + if (len) + { + /* unwind bresenham error term to first point */ + doff = dashoff; + err = e; + if (clip1) + { + clipdx = abs(new_x1 - x1); + clipdy = abs(new_y1 - y1); + if (axis == X_AXIS) + { + doff += clipdx; + err += e3 * clipdy + e1 * clipdx; + } + else + { + doff += clipdy; + err += e3 * clipdx + e1 * clipdy; + } + } + (*bres) (pDrawable, pGC, doff, + signdx, signdy, axis, new_x1, new_y1, + err, e1, e3, len); + } + pBox++; + } + } /* while (nBox--) */ +} diff --git a/xorg-server/fb/fbsetsp.c b/xorg-server/fb/fbsetsp.c index 8076d5db6..65ec8b874 100644 --- a/xorg-server/fb/fbsetsp.c +++ b/xorg-server/fb/fbsetsp.c @@ -1,100 +1,100 @@ -/*
- * 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 "fb.h"
-
-void
-fbSetSpans (DrawablePtr pDrawable,
- GCPtr pGC,
- char *src,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- int fSorted)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
- RegionPtr pClip = fbGetCompositeClip(pGC);
- FbBits *dst, *d, *s;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- BoxPtr pbox;
- int n;
- int xoff;
- int x1, x2;
-
- if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
- {
- fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
- return;
- }
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
- while (nspans--)
- {
- d = dst + (ppt->y + dstYoff) * dstStride;
- xoff = (int) (((long) src) & (FB_MASK >> 3));
- s = (FbBits *) (src - xoff);
- xoff <<= 3;
- 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)
- fbBlt ((FbBits *) s,
- 0,
- (x1 - ppt->x) * dstBpp + xoff,
- d,
- dstStride,
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- 1,
- pGC->alu,
- pPriv->pm,
- dstBpp,
-
- FALSE,
- FALSE);
- }
- }
- src += PixmapBytePad (*pwidth, pDrawable->depth);
- ppt++;
- pwidth++;
- }
- fbValidateDrawable (pDrawable);
- fbFinishAccess (pDrawable);
-}
-
+/* + * 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 "fb.h" + +void +fbSetSpans (DrawablePtr pDrawable, + GCPtr pGC, + char *src, + DDXPointPtr ppt, + int *pwidth, + int nspans, + int fSorted) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + RegionPtr pClip = fbGetCompositeClip(pGC); + FbBits *dst, *d, *s; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxPtr pbox; + int n; + int xoff; + int x1, x2; + + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted); + return; + } + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + while (nspans--) + { + d = dst + (ppt->y + dstYoff) * dstStride; + xoff = (int) (((long) src) & (FB_MASK >> 3)); + s = (FbBits *) (src - xoff); + xoff <<= 3; + 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) + fbBlt ((FbBits *) s, + 0, + (x1 - ppt->x) * dstBpp + xoff, + d, + dstStride, + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + 1, + pGC->alu, + pPriv->pm, + dstBpp, + + FALSE, + FALSE); + } + } + src += PixmapBytePad (*pwidth, pDrawable->depth); + ppt++; + pwidth++; + } + fbValidateDrawable (pDrawable); + fbFinishAccess (pDrawable); +} + diff --git a/xorg-server/fb/fbsolid.c b/xorg-server/fb/fbsolid.c index 544a1c683..414378531 100644 --- a/xorg-server/fb/fbsolid.c +++ b/xorg-server/fb/fbsolid.c @@ -1,209 +1,209 @@ -/*
- * 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.
- */
-
-#define FbSelectPart(xor,o,t) xor
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "fb.h"
-
-void
-fbSolid (FbBits *dst,
- FbStride dstStride,
- int dstX,
- int bpp,
-
- int width,
- int height,
-
- FbBits and,
- FbBits xor)
-{
- FbBits startmask, endmask;
- int n, nmiddle;
- int startbyte, endbyte;
-
- if (bpp == 24 && (!FbCheck24Pix(and) || !FbCheck24Pix(xor)))
- {
- fbSolid24 (dst, dstStride, dstX, width, height, and, xor);
- return;
- }
- dst += dstX >> FB_SHIFT;
- dstX &= FB_MASK;
- FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte,
- nmiddle, endmask, endbyte);
- if (startmask)
- dstStride--;
- dstStride -= nmiddle;
- while (height--)
- {
- if (startmask)
- {
- FbDoLeftMaskByteRRop(dst,startbyte,startmask,and,xor);
- dst++;
- }
- n = nmiddle;
- if (!and)
- while (n--)
- WRITE(dst++, xor);
- else
- while (n--)
- {
- WRITE(dst, FbDoRRop (READ(dst), and, xor));
- dst++;
- }
- if (endmask)
- FbDoRightMaskByteRRop(dst,endbyte,endmask,and,xor);
- dst += dstStride;
- }
-}
-
-void
-fbSolid24 (FbBits *dst,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- FbBits and,
- FbBits xor)
-{
- FbBits startmask, endmask;
- FbBits xor0 = 0, xor1 = 0, xor2 = 0;
- FbBits and0 = 0, and1 = 0, and2 = 0;
- FbBits xorS = 0, andS = 0, xorE = 0, andE = 0;
- int n, nmiddle;
- int rotS, rot;
-
- dst += dstX >> FB_SHIFT;
- dstX &= FB_MASK;
- /*
- * Rotate pixel values this far across the word to align on
- * screen pixel boundaries
- */
- rot = FbFirst24Rot (dstX);
- FbMaskBits (dstX, width, startmask, nmiddle, endmask);
- if (startmask)
- dstStride--;
- dstStride -= nmiddle;
-
- /*
- * Precompute rotated versions of the rasterop values
- */
- rotS = rot;
- xor = FbRot24(xor,rotS);
- and = FbRot24(and,rotS);
- if (startmask)
- {
- xorS = xor;
- andS = and;
- xor = FbNext24Pix(xor);
- and = FbNext24Pix(and);
- }
-
- if (nmiddle)
- {
- xor0 = xor;
- and0 = and;
- xor1 = FbNext24Pix(xor0);
- and1 = FbNext24Pix(and0);
- xor2 = FbNext24Pix(xor1);
- and2 = FbNext24Pix(and1);
- }
-
- if (endmask)
- {
- switch (nmiddle % 3) {
- case 0:
- xorE = xor;
- andE = and;
- break;
- case 1:
- xorE = xor1;
- andE = and1;
- break;
- case 2:
- xorE = xor2;
- andE = and2;
- break;
- }
- }
-
- while (height--)
- {
- if (startmask)
- {
- WRITE(dst, FbDoMaskRRop(READ(dst), andS, xorS, startmask));
- dst++;
- }
- n = nmiddle;
- if (!and0)
- {
- while (n >= 3)
- {
- WRITE(dst++, xor0);
- WRITE(dst++, xor1);
- WRITE(dst++, xor2);
- n -= 3;
- }
- if (n)
- {
- WRITE(dst++, xor0);
- n--;
- if (n)
- {
- WRITE(dst++, xor1);
- }
- }
- }
- else
- {
- while (n >= 3)
- {
- WRITE(dst, FbDoRRop (READ(dst), and0, xor0));
- dst++;
- WRITE(dst, FbDoRRop (READ(dst), and1, xor1));
- dst++;
- WRITE(dst, FbDoRRop (READ(dst), and2, xor2));
- dst++;
- n -= 3;
- }
- if (n)
- {
- WRITE(dst, FbDoRRop (READ(dst), and0, xor0));
- dst++;
- n--;
- if (n)
- {
- WRITE(dst, FbDoRRop (READ(dst), and1, xor1));
- dst++;
- }
- }
- }
- if (endmask)
- WRITE(dst, FbDoMaskRRop (READ(dst), andE, xorE, endmask));
- dst += dstStride;
- }
-}
+/* + * 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. + */ + +#define FbSelectPart(xor,o,t) xor + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "fb.h" + +void +fbSolid (FbBits *dst, + FbStride dstStride, + int dstX, + int bpp, + + int width, + int height, + + FbBits and, + FbBits xor) +{ + FbBits startmask, endmask; + int n, nmiddle; + int startbyte, endbyte; + + if (bpp == 24 && (!FbCheck24Pix(and) || !FbCheck24Pix(xor))) + { + fbSolid24 (dst, dstStride, dstX, width, height, and, xor); + return; + } + dst += dstX >> FB_SHIFT; + dstX &= FB_MASK; + FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte, + nmiddle, endmask, endbyte); + if (startmask) + dstStride--; + dstStride -= nmiddle; + while (height--) + { + if (startmask) + { + FbDoLeftMaskByteRRop(dst,startbyte,startmask,and,xor); + dst++; + } + n = nmiddle; + if (!and) + while (n--) + WRITE(dst++, xor); + else + while (n--) + { + WRITE(dst, FbDoRRop (READ(dst), and, xor)); + dst++; + } + if (endmask) + FbDoRightMaskByteRRop(dst,endbyte,endmask,and,xor); + dst += dstStride; + } +} + +void +fbSolid24 (FbBits *dst, + FbStride dstStride, + int dstX, + + int width, + int height, + + FbBits and, + FbBits xor) +{ + FbBits startmask, endmask; + FbBits xor0 = 0, xor1 = 0, xor2 = 0; + FbBits and0 = 0, and1 = 0, and2 = 0; + FbBits xorS = 0, andS = 0, xorE = 0, andE = 0; + int n, nmiddle; + int rotS, rot; + + dst += dstX >> FB_SHIFT; + dstX &= FB_MASK; + /* + * Rotate pixel values this far across the word to align on + * screen pixel boundaries + */ + rot = FbFirst24Rot (dstX); + FbMaskBits (dstX, width, startmask, nmiddle, endmask); + if (startmask) + dstStride--; + dstStride -= nmiddle; + + /* + * Precompute rotated versions of the rasterop values + */ + rotS = rot; + xor = FbRot24(xor,rotS); + and = FbRot24(and,rotS); + if (startmask) + { + xorS = xor; + andS = and; + xor = FbNext24Pix(xor); + and = FbNext24Pix(and); + } + + if (nmiddle) + { + xor0 = xor; + and0 = and; + xor1 = FbNext24Pix(xor0); + and1 = FbNext24Pix(and0); + xor2 = FbNext24Pix(xor1); + and2 = FbNext24Pix(and1); + } + + if (endmask) + { + switch (nmiddle % 3) { + case 0: + xorE = xor; + andE = and; + break; + case 1: + xorE = xor1; + andE = and1; + break; + case 2: + xorE = xor2; + andE = and2; + break; + } + } + + while (height--) + { + if (startmask) + { + WRITE(dst, FbDoMaskRRop(READ(dst), andS, xorS, startmask)); + dst++; + } + n = nmiddle; + if (!and0) + { + while (n >= 3) + { + WRITE(dst++, xor0); + WRITE(dst++, xor1); + WRITE(dst++, xor2); + n -= 3; + } + if (n) + { + WRITE(dst++, xor0); + n--; + if (n) + { + WRITE(dst++, xor1); + } + } + } + else + { + while (n >= 3) + { + WRITE(dst, FbDoRRop (READ(dst), and0, xor0)); + dst++; + WRITE(dst, FbDoRRop (READ(dst), and1, xor1)); + dst++; + WRITE(dst, FbDoRRop (READ(dst), and2, xor2)); + dst++; + n -= 3; + } + if (n) + { + WRITE(dst, FbDoRRop (READ(dst), and0, xor0)); + dst++; + n--; + if (n) + { + WRITE(dst, FbDoRRop (READ(dst), and1, xor1)); + dst++; + } + } + } + if (endmask) + WRITE(dst, FbDoMaskRRop (READ(dst), andE, xorE, endmask)); + dst += dstStride; + } +} diff --git a/xorg-server/fb/fbstipple.c b/xorg-server/fb/fbstipple.c index 1316d5113..dc1fd468f 100644 --- a/xorg-server/fb/fbstipple.c +++ b/xorg-server/fb/fbstipple.c @@ -1,308 +1,308 @@ -/*
- * 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 "fb.h"
-
-/*
- * This is a slight abuse of the preprocessor to generate repetitive
- * code, the idea is to generate code for each case of a copy-mode
- * transparent stipple
- */
-#define LaneCases1(c,a) case c: \
- while (n--) { FbLaneCase(c,a); a++; } \
- break
-#define LaneCases2(c,a) LaneCases1(c,a); LaneCases1(c+1,a)
-#define LaneCases4(c,a) LaneCases2(c,a); LaneCases2(c+2,a)
-#define LaneCases8(c,a) LaneCases4(c,a); LaneCases4(c+4,a)
-#define LaneCases16(c,a) LaneCases8(c,a); LaneCases8(c+8,a)
-#define LaneCases32(c,a) LaneCases16(c,a); LaneCases16(c+16,a)
-#define LaneCases64(c,a) LaneCases32(c,a); LaneCases32(c+32,a)
-#define LaneCases128(c,a) LaneCases64(c,a); LaneCases64(c+64,a)
-#define LaneCases256(c,a) LaneCases128(c,a); LaneCases128(c+128,a)
-
-#if FB_SHIFT == 6
-#define LaneCases(a) LaneCases256(0,a)
-#endif
-
-#if FB_SHIFT == 5
-#define LaneCases(a) LaneCases16(0,a)
-#endif
-
-/*
- * Repeat a transparent stipple across a scanline n times
- */
-
-void
-fbTransparentSpan (FbBits *dst,
- FbBits stip,
- FbBits fgxor,
- int n)
-{
- FbStip s;
-
- s = ((FbStip) (stip ) & 0x01);
- s |= ((FbStip) (stip >> 8) & 0x02);
- s |= ((FbStip) (stip >> 16) & 0x04);
- s |= ((FbStip) (stip >> 24) & 0x08);
-#if FB_SHIFT > 5
- s |= ((FbStip) (stip >> 32) & 0x10);
- s |= ((FbStip) (stip >> 40) & 0x20);
- s |= ((FbStip) (stip >> 48) & 0x40);
- s |= ((FbStip) (stip >> 56) & 0x80);
-#endif
- switch (s) {
- LaneCases(dst);
- }
-}
-
-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)
-{
- FbBits startmask, endmask;
- FbBits mask, and, xor;
- int nmiddle, n;
- FbStip *s, *stipEnd, bits;
- int rot, stipX, stipY;
- int pixelsPerDst;
- const FbBits *fbBits;
- Bool transparent;
- int startbyte, endbyte;
-
- /*
- * Check for a transparent stipple (stencil)
- */
- transparent = FALSE;
- if (dstBpp >= 8 &&
- fgand == 0 && bgand == FB_ALLONES && bgxor == 0)
- transparent = TRUE;
-
- pixelsPerDst = FB_UNIT / dstBpp;
- /*
- * Adjust dest pointers
- */
- dst += dstX >> FB_SHIFT;
- dstX &= FB_MASK;
- FbMaskBitsBytes (dstX, width, fgand == 0 && bgand == 0,
- startmask, startbyte, nmiddle, endmask, endbyte);
-
- if (startmask)
- dstStride--;
- dstStride -= nmiddle;
-
- xRot *= dstBpp;
- /*
- * Compute stip start scanline and rotation parameters
- */
- stipEnd = stip + stipStride * stipHeight;
- modulus (- yRot, stipHeight, stipY);
- s = stip + stipStride * stipY;
- modulus (- xRot, FB_UNIT, stipX);
- rot = stipX;
-
- /*
- * Get pointer to stipple mask array for this depth
- */
- /* fbStippleTable covers all valid bpp (4,8,16,32) */
- fbBits = fbStippleTable[pixelsPerDst];
-
- while (height--)
- {
- /*
- * Extract stipple bits for this scanline;
- */
- bits = READ(s);
- s += stipStride;
- if (s == stipEnd)
- s = stip;
-#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
-#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- /*
- * Rotate into position and compute reduced rop values
- */
- mask = FbRotLeft(mask, rot);
- and = (fgand & mask) | (bgand & ~mask);
- xor = (fgxor & mask) | (bgxor & ~mask);
-
- if (transparent)
- {
- if (startmask)
- {
- fbTransparentSpan(dst, mask&startmask, fgxor, 1);
- dst++;
- }
- fbTransparentSpan (dst, mask, fgxor, nmiddle);
- dst += nmiddle;
- if (endmask)
- fbTransparentSpan(dst, mask&endmask, fgxor, 1);
- }
- else
- {
- /*
- * Fill scanline
- */
- if (startmask)
- {
- FbDoLeftMaskByteRRop (dst, startbyte, startmask, and, xor);
- dst++;
- }
- n = nmiddle;
- if (!and)
- while (n--)
- WRITE(dst++, xor);
- else
- {
- while (n--)
- {
- WRITE(dst, FbDoRRop (READ(dst), and, xor));
- dst++;
- }
- }
- if (endmask)
- FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor);
- }
- dst += dstStride;
- }
-}
-
-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)
-{
- int stipX, stipY, sx;
- int widthTmp;
- int h, w;
- int x, y;
-
- modulus (- yRot, stipHeight, stipY);
- modulus (dstX / dstBpp - xRot, stipWidth, stipX);
- y = 0;
- while (height)
- {
- h = stipHeight - stipY;
- if (h > height)
- h = height;
- height -= h;
- widthTmp = width;
- x = dstX;
- sx = stipX;
- while (widthTmp)
- {
- w = (stipWidth - sx) * dstBpp;
- if (w > widthTmp)
- w = widthTmp;
- widthTmp -= w;
- fbBltOne (stip + stipY * stipStride,
- stipStride,
- sx,
-
- dst + y * dstStride,
- dstStride,
- x,
- dstBpp,
-
- w, h,
-
- fgand, fgxor, bgand, bgxor);
- x += w;
- sx = 0;
- }
- y += h;
- stipY = 0;
- }
-}
-
-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)
-{
- if (even)
- fbEvenStipple (dst, dstStride, dstX, dstBpp, width, height,
- stip, stipStride, stipHeight,
- fgand, fgxor, bgand, bgxor, xRot, yRot);
- else
- fbOddStipple (dst, dstStride, dstX, dstBpp, width, height,
- stip, stipStride, stipWidth, stipHeight,
- fgand, fgxor, bgand, bgxor, xRot, yRot);
-}
+/* + * 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 "fb.h" + +/* + * This is a slight abuse of the preprocessor to generate repetitive + * code, the idea is to generate code for each case of a copy-mode + * transparent stipple + */ +#define LaneCases1(c,a) case c: \ + while (n--) { FbLaneCase(c,a); a++; } \ + break +#define LaneCases2(c,a) LaneCases1(c,a); LaneCases1(c+1,a) +#define LaneCases4(c,a) LaneCases2(c,a); LaneCases2(c+2,a) +#define LaneCases8(c,a) LaneCases4(c,a); LaneCases4(c+4,a) +#define LaneCases16(c,a) LaneCases8(c,a); LaneCases8(c+8,a) +#define LaneCases32(c,a) LaneCases16(c,a); LaneCases16(c+16,a) +#define LaneCases64(c,a) LaneCases32(c,a); LaneCases32(c+32,a) +#define LaneCases128(c,a) LaneCases64(c,a); LaneCases64(c+64,a) +#define LaneCases256(c,a) LaneCases128(c,a); LaneCases128(c+128,a) + +#if FB_SHIFT == 6 +#define LaneCases(a) LaneCases256(0,a) +#endif + +#if FB_SHIFT == 5 +#define LaneCases(a) LaneCases16(0,a) +#endif + +/* + * Repeat a transparent stipple across a scanline n times + */ + +void +fbTransparentSpan (FbBits *dst, + FbBits stip, + FbBits fgxor, + int n) +{ + FbStip s; + + s = ((FbStip) (stip ) & 0x01); + s |= ((FbStip) (stip >> 8) & 0x02); + s |= ((FbStip) (stip >> 16) & 0x04); + s |= ((FbStip) (stip >> 24) & 0x08); +#if FB_SHIFT > 5 + s |= ((FbStip) (stip >> 32) & 0x10); + s |= ((FbStip) (stip >> 40) & 0x20); + s |= ((FbStip) (stip >> 48) & 0x40); + s |= ((FbStip) (stip >> 56) & 0x80); +#endif + switch (s) { + LaneCases(dst); + } +} + +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) +{ + FbBits startmask, endmask; + FbBits mask, and, xor; + int nmiddle, n; + FbStip *s, *stipEnd, bits; + int rot, stipX, stipY; + int pixelsPerDst; + const FbBits *fbBits; + Bool transparent; + int startbyte, endbyte; + + /* + * Check for a transparent stipple (stencil) + */ + transparent = FALSE; + if (dstBpp >= 8 && + fgand == 0 && bgand == FB_ALLONES && bgxor == 0) + transparent = TRUE; + + pixelsPerDst = FB_UNIT / dstBpp; + /* + * Adjust dest pointers + */ + dst += dstX >> FB_SHIFT; + dstX &= FB_MASK; + FbMaskBitsBytes (dstX, width, fgand == 0 && bgand == 0, + startmask, startbyte, nmiddle, endmask, endbyte); + + if (startmask) + dstStride--; + dstStride -= nmiddle; + + xRot *= dstBpp; + /* + * Compute stip start scanline and rotation parameters + */ + stipEnd = stip + stipStride * stipHeight; + modulus (- yRot, stipHeight, stipY); + s = stip + stipStride * stipY; + modulus (- xRot, FB_UNIT, stipX); + rot = stipX; + + /* + * Get pointer to stipple mask array for this depth + */ + /* fbStippleTable covers all valid bpp (4,8,16,32) */ + fbBits = fbStippleTable[pixelsPerDst]; + + while (height--) + { + /* + * Extract stipple bits for this scanline; + */ + bits = READ(s); + s += stipStride; + if (s == stipEnd) + s = stip; +#if FB_UNIT > 32 + if (pixelsPerDst == 16) + mask = FbStipple16Bits(FbLeftStipBits(bits,16)); + else +#endif + mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; + /* + * Rotate into position and compute reduced rop values + */ + mask = FbRotLeft(mask, rot); + and = (fgand & mask) | (bgand & ~mask); + xor = (fgxor & mask) | (bgxor & ~mask); + + if (transparent) + { + if (startmask) + { + fbTransparentSpan(dst, mask&startmask, fgxor, 1); + dst++; + } + fbTransparentSpan (dst, mask, fgxor, nmiddle); + dst += nmiddle; + if (endmask) + fbTransparentSpan(dst, mask&endmask, fgxor, 1); + } + else + { + /* + * Fill scanline + */ + if (startmask) + { + FbDoLeftMaskByteRRop (dst, startbyte, startmask, and, xor); + dst++; + } + n = nmiddle; + if (!and) + while (n--) + WRITE(dst++, xor); + else + { + while (n--) + { + WRITE(dst, FbDoRRop (READ(dst), and, xor)); + dst++; + } + } + if (endmask) + FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor); + } + dst += dstStride; + } +} + +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) +{ + int stipX, stipY, sx; + int widthTmp; + int h, w; + int x, y; + + modulus (- yRot, stipHeight, stipY); + modulus (dstX / dstBpp - xRot, stipWidth, stipX); + y = 0; + while (height) + { + h = stipHeight - stipY; + if (h > height) + h = height; + height -= h; + widthTmp = width; + x = dstX; + sx = stipX; + while (widthTmp) + { + w = (stipWidth - sx) * dstBpp; + if (w > widthTmp) + w = widthTmp; + widthTmp -= w; + fbBltOne (stip + stipY * stipStride, + stipStride, + sx, + + dst + y * dstStride, + dstStride, + x, + dstBpp, + + w, h, + + fgand, fgxor, bgand, bgxor); + x += w; + sx = 0; + } + y += h; + stipY = 0; + } +} + +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) +{ + if (even) + fbEvenStipple (dst, dstStride, dstX, dstBpp, width, height, + stip, stipStride, stipHeight, + fgand, fgxor, bgand, bgxor, xRot, yRot); + else + fbOddStipple (dst, dstStride, dstX, dstBpp, width, height, + stip, stipStride, stipWidth, stipHeight, + fgand, fgxor, bgand, bgxor, xRot, yRot); +} diff --git a/xorg-server/fb/fbtrap.c b/xorg-server/fb/fbtrap.c index 9c2bcd516..0b5a6382e 100644 --- a/xorg-server/fb/fbtrap.c +++ b/xorg-server/fb/fbtrap.c @@ -1,215 +1,215 @@ -/*
- * Copyright © 2004 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 "fb.h"
-
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-#include "damage.h"
-
-void
-fbAddTraps (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntrap,
- xTrap *traps)
-{
- pixman_image_t *image;
- int dst_xoff, dst_yoff;
-
- if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
- return;
-
- pixman_add_traps (image, x_off + dst_xoff, y_off + dst_yoff,
- ntrap, (pixman_trap_t *)traps);
-
- free_pixman_pict (pPicture, image);
-}
-
-void
-fbRasterizeTrapezoid (PicturePtr pPicture,
- xTrapezoid *trap,
- int x_off,
- int y_off)
-{
- pixman_image_t *image;
- int dst_xoff, dst_yoff;
-
- if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
- return;
-
- pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap,
- x_off + dst_xoff,
- y_off + dst_yoff);
-
- free_pixman_pict (pPicture, image);
-}
-
-void
-fbAddTriangles (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntri,
- xTriangle *tris)
-{
- pixman_image_t *image;
- int dst_xoff, dst_yoff;
-
- if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff)))
- return;
-
- pixman_add_triangles (image,
- dst_xoff + x_off, dst_yoff + y_off,
- ntri, (pixman_triangle_t *)tris);
-
- free_pixman_pict (pPicture, image);
-}
-
-typedef void (* CompositeShapesFunc) (pixman_op_t op,
- pixman_image_t *src,
- pixman_image_t *dst,
- pixman_format_code_t mask_format,
- int x_src, int y_src,
- int x_dst, int y_dst,
- int n_shapes, const uint8_t *shapes);
-
-static void
-fbShapes (CompositeShapesFunc composite,
- pixman_op_t op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- int16_t xSrc,
- int16_t ySrc,
- int nshapes,
- int shape_size,
- const uint8_t * shapes)
-{
- pixman_image_t *src, *dst;
- int src_xoff, src_yoff;
- int dst_xoff, dst_yoff;
-
- miCompositeSourceValidate (pSrc);
-
- src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
- dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
-
- if (src && dst)
- {
- pixman_format_code_t format;
-
- DamageRegionAppend (pDst->pDrawable, pDst->pCompositeClip);
-
- if (!maskFormat)
- {
- int i;
-
- if (pDst->polyEdge == PolyEdgeSharp)
- format = PIXMAN_a1;
- else
- format = PIXMAN_a8;
-
- for (i = 0; i < nshapes; ++i)
- {
- composite (op, src, dst, format,
- xSrc + src_xoff,
- ySrc + src_yoff,
- dst_xoff,
- dst_yoff,
- 1, shapes + i * shape_size);
- }
- }
- else
- {
- switch (PICT_FORMAT_A (maskFormat->format))
- {
- case 1:
- format = PIXMAN_a1;
- break;
-
- case 4:
- format = PIXMAN_a4;
- break;
-
- default:
- case 8:
- format = PIXMAN_a8;
- break;
- }
-
- composite (op, src, dst, format,
- xSrc + src_xoff,
- ySrc + src_yoff,
- dst_xoff,
- dst_yoff,
- nshapes, shapes);
- }
-
- DamageRegionProcessPending (pDst->pDrawable);
- }
-
- free_pixman_pict (pSrc, src);
- free_pixman_pict (pDst, dst);
-}
-
-void
-fbTrapezoids (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntrap,
- xTrapezoid *traps)
-{
- xSrc -= (traps[0].left.p1.x >> 16);
- ySrc -= (traps[0].left.p1.y >> 16);
-
- fbShapes ((CompositeShapesFunc)pixman_composite_trapezoids,
- op, pSrc, pDst, maskFormat,
- xSrc, ySrc,
- ntrap, sizeof (xTrapezoid), (const uint8_t *)traps);
-}
-
-void
-fbTriangles (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int ntris,
- xTriangle *tris)
-{
- xSrc -= (tris[0].p1.x >> 16);
- ySrc -= (tris[0].p1.y >> 16);
-
- fbShapes ((CompositeShapesFunc)pixman_composite_triangles,
- op, pSrc, pDst, maskFormat,
- xSrc, ySrc,
- ntris, sizeof (xTriangle), (const uint8_t *)tris);
-}
+/* + * Copyright © 2004 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 "fb.h" + +#include "picturestr.h" +#include "mipict.h" +#include "fbpict.h" +#include "damage.h" + +void +fbAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps) +{ + pixman_image_t *image; + int dst_xoff, dst_yoff; + + if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff))) + return; + + pixman_add_traps (image, x_off + dst_xoff, y_off + dst_yoff, + ntrap, (pixman_trap_t *)traps); + + free_pixman_pict (pPicture, image); +} + +void +fbRasterizeTrapezoid (PicturePtr pPicture, + xTrapezoid *trap, + int x_off, + int y_off) +{ + pixman_image_t *image; + int dst_xoff, dst_yoff; + + if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff))) + return; + + pixman_rasterize_trapezoid (image, (pixman_trapezoid_t *)trap, + x_off + dst_xoff, + y_off + dst_yoff); + + free_pixman_pict (pPicture, image); +} + +void +fbAddTriangles (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntri, + xTriangle *tris) +{ + pixman_image_t *image; + int dst_xoff, dst_yoff; + + if (!(image = image_from_pict (pPicture, FALSE, &dst_xoff, &dst_yoff))) + return; + + pixman_add_triangles (image, + dst_xoff + x_off, dst_yoff + y_off, + ntri, (pixman_triangle_t *)tris); + + free_pixman_pict (pPicture, image); +} + +typedef void (* CompositeShapesFunc) (pixman_op_t op, + pixman_image_t *src, + pixman_image_t *dst, + pixman_format_code_t mask_format, + int x_src, int y_src, + int x_dst, int y_dst, + int n_shapes, const uint8_t *shapes); + +static void +fbShapes (CompositeShapesFunc composite, + pixman_op_t op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + int16_t xSrc, + int16_t ySrc, + int nshapes, + int shape_size, + const uint8_t * shapes) +{ + pixman_image_t *src, *dst; + int src_xoff, src_yoff; + int dst_xoff, dst_yoff; + + miCompositeSourceValidate (pSrc); + + src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); + dst = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); + + if (src && dst) + { + pixman_format_code_t format; + + DamageRegionAppend (pDst->pDrawable, pDst->pCompositeClip); + + if (!maskFormat) + { + int i; + + if (pDst->polyEdge == PolyEdgeSharp) + format = PIXMAN_a1; + else + format = PIXMAN_a8; + + for (i = 0; i < nshapes; ++i) + { + composite (op, src, dst, format, + xSrc + src_xoff, + ySrc + src_yoff, + dst_xoff, + dst_yoff, + 1, shapes + i * shape_size); + } + } + else + { + switch (PICT_FORMAT_A (maskFormat->format)) + { + case 1: + format = PIXMAN_a1; + break; + + case 4: + format = PIXMAN_a4; + break; + + default: + case 8: + format = PIXMAN_a8; + break; + } + + composite (op, src, dst, format, + xSrc + src_xoff, + ySrc + src_yoff, + dst_xoff, + dst_yoff, + nshapes, shapes); + } + + DamageRegionProcessPending (pDst->pDrawable); + } + + free_pixman_pict (pSrc, src); + free_pixman_pict (pDst, dst); +} + +void +fbTrapezoids (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntrap, + xTrapezoid *traps) +{ + xSrc -= (traps[0].left.p1.x >> 16); + ySrc -= (traps[0].left.p1.y >> 16); + + fbShapes ((CompositeShapesFunc)pixman_composite_trapezoids, + op, pSrc, pDst, maskFormat, + xSrc, ySrc, + ntrap, sizeof (xTrapezoid), (const uint8_t *)traps); +} + +void +fbTriangles (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int ntris, + xTriangle *tris) +{ + xSrc -= (tris[0].p1.x >> 16); + ySrc -= (tris[0].p1.y >> 16); + + fbShapes ((CompositeShapesFunc)pixman_composite_triangles, + op, pSrc, pDst, maskFormat, + xSrc, ySrc, + ntris, sizeof (xTriangle), (const uint8_t *)tris); +} diff --git a/xorg-server/fb/fbwindow.c b/xorg-server/fb/fbwindow.c index f4032b053..7906f8dd2 100644 --- a/xorg-server/fb/fbwindow.c +++ b/xorg-server/fb/fbwindow.c @@ -1,229 +1,229 @@ -/*
- * 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"
-
-Bool
-fbCreateWindow(WindowPtr pWin)
-{
- dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(),
- fbGetScreenPixmap(pWin->drawable.pScreen));
- if (pWin->drawable.bitsPerPixel == 32)
- pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
- return TRUE;
-}
-
-Bool
-fbDestroyWindow(WindowPtr pWin)
-{
- return TRUE;
-}
-
-Bool
-fbMapWindow(WindowPtr pWindow)
-{
- return TRUE;
-}
-
-Bool
-fbPositionWindow(WindowPtr pWin, int x, int y)
-{
- return TRUE;
-}
-
-Bool
-fbUnmapWindow(WindowPtr pWindow)
-{
- return TRUE;
-}
-
-void
-fbCopyWindowProc (DrawablePtr pSrcDrawable,
- DrawablePtr pDstDrawable,
- GCPtr pGC,
- BoxPtr pbox,
- int nbox,
- int dx,
- int dy,
- Bool reverse,
- Bool upsidedown,
- Pixel bitplane,
- void *closure)
-{
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
-
- fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
- fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- while (nbox--)
- {
- fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride,
- srcStride,
- (pbox->x1 + dx + srcXoff) * srcBpp,
-
- dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
-
- (pbox->x2 - pbox->x1) * dstBpp,
- (pbox->y2 - pbox->y1),
-
- GXcopy,
- FB_ALLONES,
- dstBpp,
-
- reverse,
- upsidedown);
- pbox++;
- }
-
- fbFinishAccess (pDstDrawable);
- fbFinishAccess (pSrcDrawable);
-}
-
-void
-fbCopyWindow(WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgnSrc)
-{
- RegionRec rgnDst;
- int dx, dy;
-
- PixmapPtr pPixmap = fbGetWindowPixmap (pWin);
- DrawablePtr pDrawable = &pPixmap->drawable;
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- RegionTranslate(prgnSrc, -dx, -dy);
-
- RegionNull(&rgnDst);
-
- RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
-
-#ifdef COMPOSITE
- if (pPixmap->screen_x || pPixmap->screen_y)
- RegionTranslate(&rgnDst,
- -pPixmap->screen_x, -pPixmap->screen_y);
-#endif
-
- miCopyRegion (pDrawable, pDrawable,
- 0,
- &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
-
- RegionUninit(&rgnDst);
- fbValidateDrawable (&pWin->drawable);
-}
-
-static void
-fbFixupWindowPixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
-{
- PixmapPtr pPixmap = *ppPixmap;
-
- if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel)
- {
- pPixmap = fb24_32ReformatTile (pPixmap, pDrawable->bitsPerPixel);
- if (!pPixmap)
- return;
- (*pDrawable->pScreen->DestroyPixmap) (*ppPixmap);
- *ppPixmap = pPixmap;
- }
- if (FbEvenTile (pPixmap->drawable.width *
- pPixmap->drawable.bitsPerPixel))
- fbPadPixmap (pPixmap);
-}
-
-Bool
-fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
-{
- if (mask & CWBackPixmap)
- {
- if (pWin->backgroundState == BackgroundPixmap)
- fbFixupWindowPixmap(&pWin->drawable, &pWin->background.pixmap);
- }
- if (mask & CWBorderPixmap)
- {
- if (pWin->borderIsPixel == FALSE)
- fbFixupWindowPixmap(&pWin->drawable, &pWin->border.pixmap);
- }
- return TRUE;
-}
-
-void
-fbFillRegionSolid (DrawablePtr pDrawable,
- RegionPtr pRegion,
- FbBits and,
- FbBits xor)
-{
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int n = RegionNumRects(pRegion);
- BoxPtr pbox = RegionRects(pRegion);
-
-#ifndef FB_ACCESS_WRAPPER
- int try_mmx = 0;
- if (!and)
- try_mmx = 1;
-#endif
-
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- while (n--)
- {
-#ifndef FB_ACCESS_WRAPPER
- if (!try_mmx || !pixman_fill ((uint32_t *)dst, dstStride, dstBpp,
- pbox->x1 + dstXoff, pbox->y1 + dstYoff,
- (pbox->x2 - pbox->x1),
- (pbox->y2 - pbox->y1),
- xor))
- {
-#endif
- fbSolid (dst + (pbox->y1 + dstYoff) * dstStride,
- dstStride,
- (pbox->x1 + dstXoff) * dstBpp,
- dstBpp,
- (pbox->x2 - pbox->x1) * dstBpp,
- pbox->y2 - pbox->y1,
- and, xor);
-#ifndef FB_ACCESS_WRAPPER
- }
-#endif
- fbValidateDrawable (pDrawable);
- pbox++;
- }
-
- fbFinishAccess (pDrawable);
-}
+/* + * 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" + +Bool +fbCreateWindow(WindowPtr pWin) +{ + dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), + fbGetScreenPixmap(pWin->drawable.pScreen)); + if (pWin->drawable.bitsPerPixel == 32) + pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp; + return TRUE; +} + +Bool +fbDestroyWindow(WindowPtr pWin) +{ + return TRUE; +} + +Bool +fbMapWindow(WindowPtr pWindow) +{ + return TRUE; +} + +Bool +fbPositionWindow(WindowPtr pWin, int x, int y) +{ + return TRUE; +} + +Bool +fbUnmapWindow(WindowPtr pWindow) +{ + return TRUE; +} + +void +fbCopyWindowProc (DrawablePtr pSrcDrawable, + DrawablePtr pDstDrawable, + GCPtr pGC, + BoxPtr pbox, + int nbox, + int dx, + int dy, + Bool reverse, + Bool upsidedown, + Pixel bitplane, + void *closure) +{ + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + + fbGetDrawable (pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + fbGetDrawable (pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + while (nbox--) + { + fbBlt (src + (pbox->y1 + dy + srcYoff) * srcStride, + srcStride, + (pbox->x1 + dx + srcXoff) * srcBpp, + + dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + + (pbox->x2 - pbox->x1) * dstBpp, + (pbox->y2 - pbox->y1), + + GXcopy, + FB_ALLONES, + dstBpp, + + reverse, + upsidedown); + pbox++; + } + + fbFinishAccess (pDstDrawable); + fbFinishAccess (pSrcDrawable); +} + +void +fbCopyWindow(WindowPtr pWin, + DDXPointRec ptOldOrg, + RegionPtr prgnSrc) +{ + RegionRec rgnDst; + int dx, dy; + + PixmapPtr pPixmap = fbGetWindowPixmap (pWin); + DrawablePtr pDrawable = &pPixmap->drawable; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + RegionTranslate(prgnSrc, -dx, -dy); + + RegionNull(&rgnDst); + + RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); + +#ifdef COMPOSITE + if (pPixmap->screen_x || pPixmap->screen_y) + RegionTranslate(&rgnDst, + -pPixmap->screen_x, -pPixmap->screen_y); +#endif + + miCopyRegion (pDrawable, pDrawable, + 0, + &rgnDst, dx, dy, fbCopyWindowProc, 0, 0); + + RegionUninit(&rgnDst); + fbValidateDrawable (&pWin->drawable); +} + +static void +fbFixupWindowPixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap) +{ + PixmapPtr pPixmap = *ppPixmap; + + if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) + { + pPixmap = fb24_32ReformatTile (pPixmap, pDrawable->bitsPerPixel); + if (!pPixmap) + return; + (*pDrawable->pScreen->DestroyPixmap) (*ppPixmap); + *ppPixmap = pPixmap; + } + if (FbEvenTile (pPixmap->drawable.width * + pPixmap->drawable.bitsPerPixel)) + fbPadPixmap (pPixmap); +} + +Bool +fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask) +{ + if (mask & CWBackPixmap) + { + if (pWin->backgroundState == BackgroundPixmap) + fbFixupWindowPixmap(&pWin->drawable, &pWin->background.pixmap); + } + if (mask & CWBorderPixmap) + { + if (pWin->borderIsPixel == FALSE) + fbFixupWindowPixmap(&pWin->drawable, &pWin->border.pixmap); + } + return TRUE; +} + +void +fbFillRegionSolid (DrawablePtr pDrawable, + RegionPtr pRegion, + FbBits and, + FbBits xor) +{ + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int n = RegionNumRects(pRegion); + BoxPtr pbox = RegionRects(pRegion); + +#ifndef FB_ACCESS_WRAPPER + int try_mmx = 0; + if (!and) + try_mmx = 1; +#endif + + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + while (n--) + { +#ifndef FB_ACCESS_WRAPPER + if (!try_mmx || !pixman_fill ((uint32_t *)dst, dstStride, dstBpp, + pbox->x1 + dstXoff, pbox->y1 + dstYoff, + (pbox->x2 - pbox->x1), + (pbox->y2 - pbox->y1), + xor)) + { +#endif + fbSolid (dst + (pbox->y1 + dstYoff) * dstStride, + dstStride, + (pbox->x1 + dstXoff) * dstBpp, + dstBpp, + (pbox->x2 - pbox->x1) * dstBpp, + pbox->y2 - pbox->y1, + and, xor); +#ifndef FB_ACCESS_WRAPPER + } +#endif + fbValidateDrawable (pDrawable); + pbox++; + } + + fbFinishAccess (pDrawable); +} |