+++ /dev/null
-/************************************************************
-Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this
-software and its documentation for any purpose and without
-fee is hereby granted, provided that the above copyright no-
-tice appear in all copies and that both that copyright no-
-tice and this permission notice appear in supporting docu-
-mentation, and that the names of Sun or X Consortium
-not be used in advertising or publicity pertaining to
-distribution of the software without specific prior
-written permission. Sun and X Consortium make no
-representations about the suitability of this software for
-any purpose. It is provided "as is" without any express or
-implied warranty.
-
-SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
-NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI-
-ABLE 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.
-
-********************************************************/
-
-/* $XConsortium: cfbmskbits.h,v 4.25 94/04/17 20:28:55 dpw Exp $ */
-/* $XFree86: xc/programs/Xserver/cfb/cfbmskbits.h,v 3.3.2.1 1997/05/27 06:28:09 dawes Exp $ */
-/* Optimizations for PSZ == 32 added by Kyle Marvin (marvin@vitec.com) */
-
-#include "X.h"
-#include "Xmd.h"
-#include "servermd.h"
-#ifdef XFREE86
-#define NO_COMPILER_H_EXTRAS
-#include "compiler.h"
-#endif
-
-/*
- * ==========================================================================
- * Converted from mfb to support memory-mapped color framebuffer by smarks@sun,
- * April-May 1987.
- *
- * The way I did the conversion was to consider each longword as an
- * array of four bytes instead of an array of 32 one-bit pixels. So
- * getbits() and putbits() retain much the same calling sequence, but
- * they move bytes around instead of bits. Of course, this entails the
- * removal of all of the one-bit-pixel dependencies from the other
- * files, but the major bit-hacking stuff should be covered here.
- *
- * I've created some new macros that make it easier to understand what's
- * going on in the pixel calculations, and that make it easier to change the
- * pixel size.
- *
- * name explanation
- * ---- -----------
- * PSZ pixel size (in bits)
- * PGSZ pixel group size (in bits)
- * PGSZB pixel group size (in bytes)
- * PGSZBMSK mask with lowest PGSZB bits set to 1
- * PPW pixels per word (pixels per pixel group)
- * PPWMSK mask with lowest PPW bits set to 1
- * PLST index of last pixel in a word (should be PPW-1)
- * PIM pixel index mask (index within a pixel group)
- * PWSH pixel-to-word shift (should be log2(PPW))
- * PMSK mask with lowest PSZ bits set to 1
- *
- *
- * Here are some sample values. In the notation cfbA,B: A is PSZ, and
- * B is PGSZB. All the other values are derived from these
- * two. This table does not show all combinations!
- *
- * name cfb8,4 cfb24,4 cfb32,4 cfb8,8 cfb24,8 cfb32,8
- * ---- ------ ------- ------ ------ ------ -------
- * PSZ 8 24 32 8 24 32
- * PGSZ 32 32 32 64 64 64
- * PGSZB 4 4 4 8 8 8
- * PGSZBMSK 0xF 0xF? 0xF 0xFF 0xFF 0xFF
- * PPW 4 1 1 8 2 2
- * PPWMSK 0xF 0x1 0x1 0xFF 0x3? 0x3
- * PLST 3 0 0 7 1 1
- * PIM 0x3 0x0 0x0 0x7 0x1? 0x1
- * PWSH 2 0 0 3 1 1
- * PMSK 0xFF 0xFFFFFF 0xFFFFFFFF 0xFF 0xFFFFFF 0xFFFFFFFF
- *
- *
- * I have also added a new macro, PFILL, that takes one pixel and
- * replicates it throughout a word. This macro definition is dependent
- * upon pixel and word size; it doesn't use macros like PPW and so
- * forth. Examples: for monochrome, PFILL(1) => 0xffffffff, PFILL(0) =>
- * 0x00000000. For 8-bit color, PFILL(0x5d) => 0x5d5d5d5d. This macro
- * is used primarily for replicating a plane mask into a word.
- *
- * Color framebuffers operations also support the notion of a plane
- * mask. This mask determines which planes of the framebuffer can be
- * altered; the others are left unchanged. I have added another
- * parameter to the putbits and putbitsrop macros that is the plane
- * mask.
- * ==========================================================================
- */
-
-/*
- * PSZ needs to be defined before we get here. Usually it comes from a
- * -DPSZ=foo on the compilation command line.
- */
-
-#ifndef PSZ
-#define PSZ 8
-#endif
-
-/*
- * PixelGroup is the data type used to operate on groups of pixels.
- * We typedef it here to unsigned long with the assumption that you
- * want to manipulate as many pixels at a time as you can. If unsigned
- * long is not appropriate for your server, define it to something else
- * before including this file. In this case you will also have to define
- * PGSZB to the size in bytes of PixelGroup.
- */
-#ifndef PixelGroup
-typedef unsigned long PixelGroup;
-#ifdef LONG64
-#define PGSZB 8
-#else
-#define PGSZB 4
-#endif /* LONG64 */
-#endif /* PixelGroup */
-
-#define PGSZ (PGSZB << 3)
-#define PPW (PGSZ/PSZ)
-#define PLST (PPW-1)
-#define PIM PLST
-#define PMSK (((PixelGroup)1 << PSZ) - 1)
-#define PPWMSK (((PixelGroup)1 << PPW) - 1) /* instead of BITMSK */
-#define PGSZBMSK (((PixelGroup)1 << PGSZB) - 1)
-
-/* set PWSH = log2(PPW) using brute force */
-
-#if PPW == 1
-#define PWSH 0
-#else
-#if PPW == 2
-#define PWSH 1
-#else
-#if PPW == 4
-#define PWSH 2
-#else
-#if PPW == 8
-#define PWSH 3
-#else
-#if PPW == 16
-#define PWSH 4
-#endif /* PPW == 16 */
-#endif /* PPW == 8 */
-#endif /* PPW == 4 */
-#endif /* PPW == 2 */
-#endif /* PPW == 1 */
-
-/* Defining PIXEL_ADDR means that individual pixels are addressable by this
- * machine (as type PixelType). A possible CFB architecture which supported
- * 8-bits-per-pixel on a non byte-addressable machine would not have this
- * defined.
- *
- * Defining FOUR_BIT_CODE means that cfb knows how to stipple on this machine;
- * eventually, stippling code for 16 and 32 bit devices should be written
- * which would allow them to also use FOUR_BIT_CODE. There isn't that
- * much to do in those cases, but it would make them quite a bit faster.
- */
-
-#if PSZ == 8
-#define PIXEL_ADDR
-typedef CARD8 PixelType;
-#define FOUR_BIT_CODE
-#endif
-
-#if PSZ == 16
-#define PIXEL_ADDR
-typedef CARD16 PixelType;
-#endif
-
-#if PSZ == 24
-#undef PMSK
-#define PMSK 0xFFFFFF
-/*#undef PIM
-#define PIM 3*/
-#define PIXEL_ADDR
-typedef CARD32 PixelType;
-#endif
-
-#if PSZ == 32
-#undef PMSK
-#define PMSK 0xFFFFFFFF
-#define PIXEL_ADDR
-typedef CARD32 PixelType;
-#endif
-
-
-/* the following notes use the following conventions:
-SCREEN LEFT SCREEN RIGHT
-in this file and maskbits.c, left and right refer to screen coordinates,
-NOT bit numbering in registers.
-
-cfbstarttab[n]
- pixels[0,n-1] = 0's pixels[n,PPW-1] = 1's
-cfbendtab[n] =
- pixels[0,n-1] = 1's pixels[n,PPW-1] = 0's
-
-cfbstartpartial[], cfbendpartial[]
- these are used as accelerators for doing putbits and masking out
-bits that are all contained between longword boudaries. the extra
-256 bytes of data seems a small price to pay -- code is smaller,
-and narrow things (e.g. window borders) go faster.
-
-the names may seem misleading; they are derived not from which end
-of the word the bits are turned on, but at which end of a scanline
-the table tends to be used.
-
-look at the tables and macros to understand boundary conditions.
-(careful readers will note that starttab[n] = ~endtab[n] for n != 0)
-
------------------------------------------------------------------------
-these two macros depend on the screen's bit ordering.
-in both of them x is a screen position. they are used to
-combine bits collected from multiple longwords into a
-single destination longword, and to unpack a single
-source longword into multiple destinations.
-
-SCRLEFT(dst, x)
- takes dst[x, PPW] and moves them to dst[0, PPW-x]
- the contents of the rest of dst are 0 ONLY IF
- dst is UNSIGNED.
- is cast as an unsigned.
- this is a right shift on the VAX, left shift on
- Sun and pc-rt.
-
-SCRRIGHT(dst, x)
- takes dst[0,x] and moves them to dst[PPW-x, PPW]
- the contents of the rest of dst are 0 ONLY IF
- dst is UNSIGNED.
- this is a left shift on the VAX, right shift on
- Sun and pc-rt.
-
-
-the remaining macros are cpu-independent; all bit order dependencies
-are built into the tables and the two macros above.
-
-maskbits(x, w, startmask, endmask, nlw)
- for a span of width w starting at position x, returns
-a mask for ragged pixels at start, mask for ragged pixels at end,
-and the number of whole longwords between the ends.
-
-maskpartialbits(x, w, mask)
- works like maskbits(), except all the pixels are in the
- same longword (i.e. (x&0xPIM + w) <= PPW)
-
-mask32bits(x, w, startmask, endmask, nlw)
- as maskbits, but does not calculate nlw. it is used by
- cfbGlyphBlt to put down glyphs <= PPW bits wide.
-
-getbits(psrc, x, w, dst)
- starting at position x in psrc (x < PPW), collect w
- pixels and put them in the screen left portion of dst.
- psrc is a longword pointer. this may span longword boundaries.
- it special-cases fetching all w bits from one longword.
-
- +--------+--------+ +--------+
- | | m |n| | ==> | m |n| |
- +--------+--------+ +--------+
- x x+w 0 w
- psrc psrc+1 dst
- m = PPW - x
- n = w - m
-
- implementation:
- get m pixels, move to screen-left of dst, zeroing rest of dst;
- get n pixels from next word, move screen-right by m, zeroing
- lower m pixels of word.
- OR the two things together.
-
-putbits(src, x, w, pdst, planemask)
- starting at position x in pdst, put down the screen-leftmost
- w bits of src. pdst is a longword pointer. this may
- span longword boundaries.
- it special-cases putting all w bits into the same longword.
-
- +--------+ +--------+--------+
- | m |n| | ==> | | m |n| |
- +--------+ +--------+--------+
- 0 w x x+w
- dst pdst pdst+1
- m = PPW - x
- n = w - m
-
- implementation:
- get m pixels, shift screen-right by x, zero screen-leftmost x
- pixels; zero rightmost m bits of *pdst and OR in stuff
- from before the semicolon.
- shift src screen-left by m, zero bits n-32;
- zero leftmost n pixels of *(pdst+1) and OR in the
- stuff from before the semicolon.
-
-putbitsrop(src, x, w, pdst, planemask, ROP)
- like putbits but calls DoRop with the rasterop ROP (see cfb.h for
- DoRop)
-
-getleftbits(psrc, w, dst)
- get the leftmost w (w<=PPW) bits from *psrc and put them
- in dst. this is used by the cfbGlyphBlt code for glyphs
- <=PPW bits wide.
-*/
-
-#if (BITMAP_BIT_ORDER == MSBFirst)
-#define BitRight(lw,n) ((lw) >> (n))
-#define BitLeft(lw,n) ((lw) << (n))
-#else /* (BITMAP_BIT_ORDER == LSBFirst) */
-#define BitRight(lw,n) ((lw) << (n))
-#define BitLeft(lw,n) ((lw) >> (n))
-#endif /* (BITMAP_BIT_ORDER == MSBFirst) */
-
-#define SCRLEFT(lw, n) BitLeft (lw, (n) * PSZ)
-#define SCRRIGHT(lw, n) BitRight(lw, (n) * PSZ)
-
-/*
- * Note that the shift direction is independent of the byte ordering of the
- * machine. The following is portable code.
- */
-#if PPW == 16
-#define PFILL(p) ( ((p)&PMSK) | \
- ((p)&PMSK) << PSZ | \
- ((p)&PMSK) << 2*PSZ | \
- ((p)&PMSK) << 3*PSZ | \
- ((p)&PMSK) << 4*PSZ | \
- ((p)&PMSK) << 5*PSZ | \
- ((p)&PMSK) << 6*PSZ | \
- ((p)&PMSK) << 7*PSZ | \
- ((p)&PMSK) << 8*PSZ | \
- ((p)&PMSK) << 9*PSZ | \
- ((p)&PMSK) << 10*PSZ | \
- ((p)&PMSK) << 11*PSZ | \
- ((p)&PMSK) << 12*PSZ | \
- ((p)&PMSK) << 13*PSZ | \
- ((p)&PMSK) << 14*PSZ | \
- ((p)&PMSK) << 15*PSZ )
-#define PFILL2(p, pf) { \
- pf = (p) & PMSK; \
- pf |= (pf << PSZ); \
- pf |= (pf << 2*PSZ); \
- pf |= (pf << 4*PSZ); \
- pf |= (pf << 8*PSZ); \
-}
-#endif /* PPW == 16 */
-#if PPW == 8
-#define PFILL(p) ( ((p)&PMSK) | \
- ((p)&PMSK) << PSZ | \
- ((p)&PMSK) << 2*PSZ | \
- ((p)&PMSK) << 3*PSZ | \
- ((p)&PMSK) << 4*PSZ | \
- ((p)&PMSK) << 5*PSZ | \
- ((p)&PMSK) << 6*PSZ | \
- ((p)&PMSK) << 7*PSZ )
-#define PFILL2(p, pf) { \
- pf = (p) & PMSK; \
- pf |= (pf << PSZ); \
- pf |= (pf << 2*PSZ); \
- pf |= (pf << 4*PSZ); \
-}
-#endif
-#if PPW == 4
-#define PFILL(p) ( ((p)&PMSK) | \
- ((p)&PMSK) << PSZ | \
- ((p)&PMSK) << 2*PSZ | \
- ((p)&PMSK) << 3*PSZ )
-#define PFILL2(p, pf) { \
- pf = (p) & PMSK; \
- pf |= (pf << PSZ); \
- pf |= (pf << 2*PSZ); \
-}
-#endif
-#if PPW == 2
-#define PFILL(p) ( ((p)&PMSK) | \
- ((p)&PMSK) << PSZ )
-#define PFILL2(p, pf) { \
- pf = (p) & PMSK; \
- pf |= (pf << PSZ); \
-}
-#endif
-#if PPW == 1
-#define PFILL(p) (p)
-#define PFILL2(p,pf) (pf = (p))
-#endif
-
-/*
- * Reduced raster op - using precomputed values, perform the above
- * in three instructions
- */
-
-#define DoRRop(dst, and, xor) (((dst) & (and)) ^ (xor))
-
-#define DoMaskRRop(dst, and, xor, mask) \
- (((dst) & ((and) | ~(mask))) ^ (xor & mask))
-
-#if PSZ != 32 || PPW != 1
-
-# if (PSZ == 24 && PPW == 1)
-#define maskbits(x, w, startmask, endmask, nlw) {\
- startmask = cfbstarttab[(x)&3]; \
- endmask = cfbendtab[((x)+(w)) & 3]; \
- nlw = ((((x)+(w))*3)>>2) - (((x)*3 +3)>>2); \
-}
-
-#define mask32bits(x, w, startmask, endmask) \
- startmask = cfbstarttab[(x)&3]; \
- endmask = cfbendtab[((x)+(w)) & 3];
-
-#define maskpartialbits(x, w, mask) \
- mask = cfbstartpartial[(x) & 3] & cfbendpartial[((x)+(w)) & 3];
-
-#define maskbits24(x, w, startmask, endmask, nlw) \
- startmask = cfbstarttab24[(x) & 3]; \
- endmask = cfbendtab24[((x)+(w)) & 3]; \
- if (startmask){ \
- nlw = (((w) - (4 - ((x) & 3))) >> 2); \
- } else { \
- nlw = (w) >> 2; \
- }
-
-#define getbits24(psrc, dst, index) {\
- register int idx; \
- switch(idx = ((index)&3)<<1){ \
- case 0: \
- dst = (*(psrc) &cfbmask[idx]); \
- break; \
- case 6: \
- dst = BitLeft((*(psrc) &cfbmask[idx]), cfb24Shift[idx]); \
- break; \
- default: \
- dst = BitLeft((*(psrc) &cfbmask[idx]), cfb24Shift[idx]) | \
- BitRight(((*((psrc)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
- }; \
-}
-
-#define putbits24(src, x, w, pdst, planemask, index) {\
- register PixelGroup dstpixel; \
- register unsigned int idx; \
- switch(idx = ((index)&3)<<1){ \
- case 0: \
- dstpixel = (*(pdst) &cfbmask[idx]); \
- break; \
- case 6: \
- dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx]); \
- break; \
- default: \
- dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx])| \
- BitRight(((*((pdst)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
- }; \
- dstpixel &= ~(planemask); \
- dstpixel |= (src & planemask); \
- *(pdst) &= cfbrmask[idx]; \
- switch(idx){ \
- case 0: \
- *(pdst) |= (dstpixel & cfbmask[idx]); \
- break; \
- case 2: \
- case 4: \
- pdst++;idx++; \
- *(pdst) = ((*(pdst)) & cfbrmask[idx]) | \
- (BitLeft(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
- pdst--;idx--; \
- case 6: \
- *(pdst) |= (BitRight(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
- break; \
- }; \
-}
-
-#define putbitsrop24(src, x, pdst, planemask, rop) \
-{ \
- register PixelGroup t1, dstpixel; \
- register unsigned int idx; \
- switch(idx = (x)<<1){ \
- case 0: \
- dstpixel = (*(pdst) &cfbmask[idx]); \
- break; \
- case 6: \
- dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx]); \
- break; \
- default: \
- dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx])| \
- BitRight(((*((pdst)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
- }; \
- DoRop(t1, rop, (src), dstpixel); \
- dstpixel &= ~planemask; \
- dstpixel |= (t1 & planemask); \
- *(pdst) &= cfbrmask[idx]; \
- switch(idx){ \
- case 0: \
- *(pdst) |= (dstpixel & cfbmask[idx]); \
- break; \
- case 2: \
- case 4: \
- *((pdst)+1) = ((*((pdst)+1)) & cfbrmask[idx+1]) | \
- (BitLeft(dstpixel, cfb24Shift[idx+1]) & (cfbmask[idx+1])); \
- case 6: \
- *(pdst) |= (BitRight(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
- }; \
-}
-# else /* PSZ == 24 && PPW == 1 */
-#define maskbits(x, w, startmask, endmask, nlw) \
- startmask = cfbstarttab[(x)&PIM]; \
- endmask = cfbendtab[((x)+(w)) & PIM]; \
- if (startmask) \
- nlw = (((w) - (PPW - ((x)&PIM))) >> PWSH); \
- else \
- nlw = (w) >> PWSH;
-
-#define maskpartialbits(x, w, mask) \
- mask = cfbstartpartial[(x) & PIM] & cfbendpartial[((x) + (w)) & PIM];
-
-#define mask32bits(x, w, startmask, endmask) \
- startmask = cfbstarttab[(x)&PIM]; \
- endmask = cfbendtab[((x)+(w)) & PIM];
-
-/* FIXME */
-#define maskbits24(x, w, startmask, endmask, nlw) \
- abort()
-#define getbits24(psrc, dst, index) \
- abort()
-#define putbits24(src, x, w, pdst, planemask, index) \
- abort()
-#define putbitsrop24(src, x, pdst, planemask, rop) \
- abort()
-
-#endif /* PSZ == 24 && PPW == 1 */
-
-#define getbits(psrc, x, w, dst) \
-if ( ((x) + (w)) <= PPW) \
-{ \
- dst = SCRLEFT(*(psrc), (x)); \
-} \
-else \
-{ \
- int m; \
- m = PPW-(x); \
- dst = (SCRLEFT(*(psrc), (x)) & cfbendtab[m]) | \
- (SCRRIGHT(*((psrc)+1), m) & cfbstarttab[m]); \
-}
-
-
-#define putbits(src, x, w, pdst, planemask) \
-if ( ((x)+(w)) <= PPW) \
-{ \
- PixelGroup tmpmask; \
- maskpartialbits((x), (w), tmpmask); \
- tmpmask &= PFILL(planemask); \
- *(pdst) = (*(pdst) & ~tmpmask) | (SCRRIGHT(src, x) & tmpmask); \
-} \
-else \
-{ \
- unsigned long m; \
- unsigned long n; \
- PixelGroup pm = PFILL(planemask); \
- m = PPW-(x); \
- n = (w) - m; \
- *(pdst) = (*(pdst) & (cfbendtab[x] | ~pm)) | \
- (SCRRIGHT(src, x) & (cfbstarttab[x] & pm)); \
- *((pdst)+1) = (*((pdst)+1) & (cfbstarttab[n] | ~pm)) | \
- (SCRLEFT(src, m) & (cfbendtab[n] & pm)); \
-}
-#if defined(__GNUC__) && defined(mc68020)
-#undef getbits
-#define FASTGETBITS(psrc, x, w, dst) \
- asm ("bfextu %3{%1:%2},%0" \
- : "=d" (dst) : "di" (x), "di" (w), "o" (*(char *)(psrc)))
-
-#define getbits(psrc,x,w,dst) \
-{ \
- FASTGETBITS(psrc, (x) * PSZ, (w) * PSZ, dst); \
- dst = SCRLEFT(dst,PPW-(w)); \
-}
-
-#define FASTPUTBITS(src, x, w, pdst) \
- asm ("bfins %3,%0{%1:%2}" \
- : "=o" (*(char *)(pdst)) \
- : "di" (x), "di" (w), "d" (src), "0" (*(char *) (pdst)))
-
-#undef putbits
-#define putbits(src, x, w, pdst, planemask) \
-{ \
- if (planemask != PMSK) { \
- PixelGroup _m, _pm; \
- FASTGETBITS(pdst, (x) * PSZ , (w) * PSZ, _m); \
- PFILL2(planemask, _pm); \
- _m &= (~_pm); \
- _m |= (SCRRIGHT(src, PPW-(w)) & _pm); \
- FASTPUTBITS(_m, (x) * PSZ, (w) * PSZ, pdst); \
- } else { \
- FASTPUTBITS(SCRRIGHT(src, PPW-(w)), (x) * PSZ, (w) * PSZ, pdst); \
- } \
-}
-
-
-#endif /* mc68020 */
-
-#define putbitsrop(src, x, w, pdst, planemask, rop) \
-if ( ((x)+(w)) <= PPW) \
-{ \
- PixelGroup tmpmask; \
- PixelGroup t1, t2; \
- maskpartialbits((x), (w), tmpmask); \
- PFILL2(planemask, t1); \
- tmpmask &= t1; \
- t1 = SCRRIGHT((src), (x)); \
- DoRop(t2, rop, t1, *(pdst)); \
- *(pdst) = (*(pdst) & ~tmpmask) | (t2 & tmpmask); \
-} \
-else \
-{ \
- unsigned long m; \
- unsigned long n; \
- PixelGroup t1, t2; \
- PixelGroup pm; \
- PFILL2(planemask, pm); \
- m = PPW-(x); \
- n = (w) - m; \
- t1 = SCRRIGHT((src), (x)); \
- DoRop(t2, rop, t1, *(pdst)); \
- *(pdst) = (*(pdst) & (cfbendtab[x] | ~pm)) | (t2 & (cfbstarttab[x] & pm));\
- t1 = SCRLEFT((src), m); \
- DoRop(t2, rop, t1, *((pdst) + 1)); \
- *((pdst)+1) = (*((pdst)+1) & (cfbstarttab[n] | ~pm)) | \
- (t2 & (cfbendtab[n] & pm)); \
-}
-
-#else /* PSZ == 32 && PPW == 1*/
-
-/*
- * These macros can be optimized for 32-bit pixels since there is no
- * need to worry about left/right edge masking. These macros were
- * derived from the above using the following reductions:
- *
- * - x & PIW = 0 [since PIW = 0]
- * - all masking tables are only indexed by 0 [ due to above ]
- * - cfbstartab[0] and cfbendtab[0] = 0 [ no left/right edge masks]
- * - cfbstartpartial[0] and cfbendpartial[0] = ~0 [no partial pixel mask]
- *
- * Macro reduction based upon constants cannot be performed automatically
- * by the compiler since it does not know the contents of the masking
- * arrays in cfbmskbits.c.
- */
-#define maskbits(x, w, startmask, endmask, nlw) \
- startmask = endmask = 0; \
- nlw = (w);
-
-#define maskpartialbits(x, w, mask) \
- mask = 0xFFFFFFFF;
-
-#define mask32bits(x, w, startmask, endmask) \
- startmask = endmask = 0;
-
-/*
- * For 32-bit operations, getbits(), putbits(), and putbitsrop()
- * will only be invoked with x = 0 and w = PPW (1). The getbits()
- * macro is only called within left/right edge logic, which doesn't
- * happen for 32-bit pixels.
- */
-#define getbits(psrc, x, w, dst) (dst) = *(psrc)
-
-#define putbits(src, x, w, pdst, planemask) \
- *(pdst) = (*(pdst) & ~planemask) | (src & planemask);
-
-#define putbitsrop(src, x, w, pdst, planemask, rop) \
-{ \
- PixelGroup t1; \
- DoRop(t1, rop, (src), *(pdst)); \
- *(pdst) = (*(pdst) & ~planemask) | (t1 & planemask); \
-}
-
-#endif /* PSZ != 32 */
-
-/*
- * Use these macros only when you're using the MergeRop stuff
- * in ../mfb/mergerop.h
- */
-
-/* useful only when not spanning destination longwords */
-#if PSZ == 24
-#define putbitsmropshort24(src,x,w,pdst,index) {\
- PixelGroup _tmpmask; \
- PixelGroup _t1; \
- maskpartialbits ((x), (w), _tmpmask); \
- _t1 = SCRRIGHT((src), (x)); \
- DoMaskMergeRop24(_t1, pdst, _tmpmask, index); \
-}
-#endif
-#define putbitsmropshort(src,x,w,pdst) {\
- PixelGroup _tmpmask; \
- PixelGroup _t1; \
- maskpartialbits ((x), (w), _tmpmask); \
- _t1 = SCRRIGHT((src), (x)); \
- *pdst = DoMaskMergeRop(_t1, *pdst, _tmpmask); \
-}
-
-/* useful only when spanning destination longwords */
-#define putbitsmroplong(src,x,w,pdst) { \
- PixelGroup _startmask, _endmask; \
- int _m; \
- PixelGroup _t1; \
- _m = PPW - (x); \
- _startmask = cfbstarttab[x]; \
- _endmask = cfbendtab[(w) - _m]; \
- _t1 = SCRRIGHT((src), (x)); \
- pdst[0] = DoMaskMergeRop(_t1,pdst[0],_startmask); \
- _t1 = SCRLEFT ((src),_m); \
- pdst[1] = DoMaskMergeRop(_t1,pdst[1],_endmask); \
-}
-
-#define putbitsmrop(src,x,w,pdst) \
-if ((x) + (w) <= PPW) {\
- putbitsmropshort(src,x,w,pdst); \
-} else { \
- putbitsmroplong(src,x,w,pdst); \
-}
-
-#if GETLEFTBITS_ALIGNMENT == 1
-#define getleftbits(psrc, w, dst) dst = *((unsigned int *) psrc)
-#define getleftbits24(psrc, w, dst, idx){ \
- regiseter int index; \
- switch(index = ((idx)&3)<<1){ \
- case 0: \
- dst = (*((unsigned int *) psrc))&cfbmask[index]; \
- break; \
- case 2: \
- case 4: \
- dst = BitLeft(((*((unsigned int *) psrc))&cfbmask[index]), cfb24Shift[index]); \
- dst |= BitRight(((*((unsigned int *) psrc)+1)&cfbmask[index]), cfb4Shift[index]); \
- break; \
- case 6: \
- dst = BitLeft((*((unsigned int *) psrc)),cfb24Shift[index]); \
- break; \
- }; \
-}
-#endif /* GETLEFTBITS_ALIGNMENT == 1 */
-
-#define getglyphbits(psrc, x, w, dst) \
-{ \
- dst = BitLeft((unsigned) *(psrc), (x)); \
- if ( ((x) + (w)) > 32) \
- dst |= (BitRight((unsigned) *((psrc)+1), 32-(x))); \
-}
-#if GETLEFTBITS_ALIGNMENT == 2
-#define getleftbits(psrc, w, dst) \
- { \
- if ( ((int)(psrc)) & 0x01 ) \
- getglyphbits( ((unsigned int *)(((char *)(psrc))-1)), 8, (w), (dst) ); \
- else \
- dst = *((unsigned int *) psrc); \
- }
-#endif /* GETLEFTBITS_ALIGNMENT == 2 */
-
-#if GETLEFTBITS_ALIGNMENT == 4
-#define getleftbits(psrc, w, dst) \
- { \
- int off, off_b; \
- off_b = (off = ( ((int)(psrc)) & 0x03)) << 3; \
- getglyphbits( \
- (unsigned int *)( ((char *)(psrc)) - off), \
- (off_b), (w), (dst) \
- ); \
- }
-#endif /* GETLEFTBITS_ALIGNMENT == 4 */
-
-/*
- * getstipplepixels( psrcstip, x, w, ones, psrcpix, destpix )
- *
- * Converts bits to pixels in a reasonable way. Takes w (1 <= w <= PPW)
- * bits from *psrcstip, starting at bit x; call this a quartet of bits.
- * Then, takes the pixels from *psrcpix corresponding to the one-bits (if
- * ones is TRUE) or the zero-bits (if ones is FALSE) of the quartet
- * and puts these pixels into destpix.
- *
- * Example:
- *
- * getstipplepixels( &(0x08192A3B), 17, 4, 1, &(0x4C5D6E7F), dest )
- *
- * 0x08192A3B = 0000 1000 0001 1001 0010 1010 0011 1011
- *
- * This will take 4 bits starting at bit 17, so the quartet is 0x5 = 0101.
- * It will take pixels from 0x4C5D6E7F corresponding to the one-bits in this
- * quartet, so dest = 0x005D007F.
- *
- * XXX Works with both byte order.
- * XXX This works for all values of x and w within a doubleword.
- */
-#if (BITMAP_BIT_ORDER == MSBFirst)
-#define getstipplepixels( psrcstip, x, w, ones, psrcpix, destpix ) \
-{ \
- PixelGroup q; \
- int m; \
- if ((m = ((x) - ((PPW*PSZ)-PPW))) > 0) { \
- q = (*(psrcstip)) << m; \
- if ( (x)+(w) > (PPW*PSZ) ) \
- q |= *((psrcstip)+1) >> ((PPW*PSZ)-m); \
- } \
- else \
- q = (*(psrcstip)) >> -m; \
- q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
- *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
-}
-#else /* BITMAP_BIT_ORDER == LSB */
-
-/*================================================================
- BEGIN ORL VNC modification
- Only use ldq_u on XFREE86 platforms */
-
-#ifdef XFREE86
-#define getstipplepixels( psrcstip, xt, w, ones, psrcpix, destpix ) \
-{ \
- PixelGroup q; \
- q = ldq_u(psrcstip) >> (xt); \
- if ( ((xt)+(w)) > (PPW*PSZ) ) \
- q |= (ldq_u((psrcstip)+1)) << ((PPW*PSZ)-(xt)); \
- q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
- *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
-}
-#else /* XFREE86 */
-#define getstipplepixels( psrcstip, xt, w, ones, psrcpix, destpix ) \
-{ \
- PixelGroup q; \
- q = *(psrcstip) >> (xt); \
- if ( ((xt)+(w)) > (PPW*PSZ) ) \
- q |= (*((psrcstip)+1)) << ((PPW*PSZ)-(xt)); \
- q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
- *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
-}
-#endif /* XFREE86 */
-
-/* END ORL VNC modification
-================================================================*/
-
-#if PSZ == 24
-# if 0
-#define getstipplepixels24( psrcstip,xt,w,ones,psrcpix,destpix,stipindex,srcindex,dstindex) \
-{ \
- PixelGroup q, srcpix, srcstip; \
- unsigned long src; \
- register unsigned int sidx; \
- register unsigned int didx; \
- register unsigned int stipidx; \
- sidx = ((srcindex) & 3)<<1; \
- didx = ((dstindex) & 3)<<1; \
- q = *(psrcstip) >> (xt); \
-/* if((srcindex)!=0)*/ \
-/* src = (((*(psrcpix)) << cfb24Shift[sidx]) & (cfbmask[sidx])) |*/ \
-/* (((*((psrcpix)+1)) << cfb24Shift[sidx+1]) & (cfbmask[sidx+1])); */\
-/* else */\
- src = (*(psrcpix))&0xFFFFFF; \
- if ( ((xt)+(w)) > PGSZ ) \
- q |= (*((psrcstip)+1)) << (PGSZ -(xt)); \
- q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
- src &= QuartetPixelMaskTable[q]; \
- *(destpix) &= cfbrmask[didx]; \
- switch(didx) {\
- case 0: \
- *(destpix) |= (src &cfbmask[didx]); \
- break; \
- case 2: \
- case 4: \
- destpix++;didx++; \
- *(destpix) = ((*(destpix)) & (cfbrmask[didx]))| \
- (BitLeft(src, cfb24Shift[didx]) & (cfbmask[didx])); \
- destpix--; didx--;\
- case 6: \
- *(destpix) |= (BitRight(src, cfb24Shift[didx]) & cfbmask[didx]); \
- break; \
- }; \
-}
-# else
-#define getstipplepixels24(psrcstip,xt,ones,psrcpix,destpix,stipindex) \
-{ \
- PixelGroup q, srcpix, srcstip; \
- unsigned long src; \
- register unsigned int stipidx; \
- q = *(psrcstip) >> (xt); \
- q = ((ones) ? q : ~q) & 1; \
- *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
-}
-# endif
-#endif /* PSZ == 24 */
-#endif
-
-extern PixelGroup cfbstarttab[];
-extern PixelGroup cfbendtab[];
-extern PixelGroup cfbstartpartial[];
-extern PixelGroup cfbendpartial[];
-extern PixelGroup cfbrmask[];
-extern PixelGroup cfbmask[];
-extern PixelGroup QuartetBitsTable[];
-extern PixelGroup QuartetPixelMaskTable[];
-#if PSZ == 24
-extern int cfb24Shift[];
-#endif
projects / rdpsrv / blobdiff