X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfb8line.c;fp=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfb8line.c;h=0000000000000000000000000000000000000000;hp=34bb6000b3650d480b4d9e1c1544cb82842c1f29;hb=ce66b81460e5353db09d45c02339d4583fbda255;hpb=7772d71ffd742cfc9b7ff214659d16c5bb56a391 diff --git a/Xserver/programs/Xserver/cfb/cfb8line.c b/Xserver/programs/Xserver/cfb/cfb8line.c deleted file mode 100644 index 34bb600..0000000 --- a/Xserver/programs/Xserver/cfb/cfb8line.c +++ /dev/null @@ -1,1458 +0,0 @@ -/* - * $TOG: cfb8line.c /main/33 1997/07/17 19:33:47 kaleb $ - * -Copyright (c) 1990 X Consortium - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of the X Consortium shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from the X Consortium. - * - * Author: Keith Packard, MIT X Consortium - * - * $XFree86: xc/programs/Xserver/cfb/cfb8line.c,v 3.2.2.3 1997/07/19 04:59:19 dawes Exp $ - * Jeff Anton'x fixes: cfb8line.c 97/02/07 - */ - -#include "X.h" - -#include "gcstruct.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "regionstr.h" -#include "scrnintstr.h" -#include "mistruct.h" - -#include "cfb.h" -#include "cfbmskbits.h" -#include "cfbrrop.h" -#include "miline.h" - -#ifdef PIXEL_ADDR - -#if defined(__GNUC__) && defined(mc68020) -#define STUPID volatile -#define REARRANGE -#else -#define STUPID -#endif - -#ifdef __GNUC__ -/* lame compiler doesn't even look at 'register' attributes */ -#define I_H do{ -#define I_T }while(0); -#define IMPORTANT_START I_H I_H I_H I_H I_H I_H I_H I_H I_H I_H -#define IMPORTANT_END I_T I_T I_T I_T I_T I_T I_T I_T I_T I_T -#else -#define IMPORTANT_START -#define IMPORTANT_END -#endif - -#define isClipped(c,ul,lr) ((((c) - (ul)) | ((lr) - (c))) & ClipMask) - -#ifdef POLYSEGMENT - -# ifdef sun -# define WIDTH_FAST 1152 -# endif - -# ifdef ultrix -# define WIDTH_FAST 1024 -# endif - -# ifdef Mips -# define WIDTH_FAST 4096 -# endif -# ifdef WIDTH_FAST -# if WIDTH_FAST == 1024 -# define FAST_MUL(y) ((y) << 10) -# endif - -# if WIDTH_FAST == 1152 -# define FAST_MUL(y) (((y) << 10) + ((y) << 7)) -# endif - -# if WIDTH_FAST == 1280 -# define FAST_MUL(y) (((y) << 10) + ((y) << 8)) -# endif - -# if WIDTH_FAST == 2048 -# define FAST_MUL(y) ((y) << 11) -# endif - -# if WIDTH_FAST == 4096 -# define FAST_MUL(y) ((y) << 12) -# endif -# endif - -# if defined(WIDTH_SHIFT) -# ifdef FAST_MUL -# define FUNC_NAME(e) RROP_NAME(RROP_NAME_CAT(e,Shift)) -# if RROP == GXcopy -# define INCLUDE_OTHERS -# define SERIOUS_UNROLLING -# endif -# define INCLUDE_DRAW -# define NWIDTH(nwidth) WIDTH_FAST -# define WIDTH_MUL(y,w) FAST_MUL(y) -# endif -# else -# define FUNC_NAME(e) RROP_NAME(e) -# define WIDTH_MUL(y,w) ((y) * (w)) -# define NWIDTH(nwidth) (nwidth) -# define INCLUDE_DRAW -# if !defined (FAST_MUL) && RROP == GXcopy -# define INCLUDE_OTHERS -# define SERIOUS_UNROLLING -# endif -# endif -#else - -# define INCLUDE_DRAW -# define WIDTH_MUL(y,w) ((y) * (w)) -# define NWIDTH(nwidth) nwidth -# ifdef PREVIOUS -# define FUNC_NAME(e) RROP_NAME(RROP_NAME_CAT(e,Previous)) -# else -# define FUNC_NAME(e) RROP_NAME(e) -# if RROP == GXcopy -# define INCLUDE_OTHERS -# ifdef PLENTIFUL_REGISTERS -# define SAVE_X2Y2 -# endif -# define ORIGIN -# define SERIOUS_UNROLLING -# else -# define EITHER_MODE -# endif -# endif -#endif - -#if PSZ == 24 -#define PXL2ADR(x) ((x)*3 >> 2) - -#if RROP == GXcopy -#define body_rop \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp = (*addrp & 0xFF000000)|(piQxelXor[0] & 0xFFFFFF); \ - break; \ - case 1: \ - *addrp = (*addrp & 0xFF)|(piQxelXor[2] & 0xFFFFFF00); \ - break; \ - case 3: \ - *addrp = (*addrp & 0xFFFFFF)|(piQxelXor[0] & 0xFF000000); \ - *(addrp+1)=(*(addrp+1) & 0xFFFF0000)|(piQxelXor[1] & 0xFFFF); \ - break; \ - case 2: \ - *addrp = (*addrp & 0xFFFF)|(piQxelXor[1] & 0xFFFF0000); \ - *(addrp+1)=(*(addrp+1) & 0xFFFFFF00)|(piQxelXor[2] & 0xFF); \ - break; \ - } -#endif -#if RROP == GXxor -#define body_rop \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp ^= piQxelXor[0] & 0xFFFFFF; \ - break; \ - case 1: \ - *addrp ^= piQxelXor[2] & 0xFFFFFF00; \ - break; \ - case 3: \ - *addrp ^= piQxelXor[0] & 0xFF000000; \ - *(addrp+1) ^= piQxelXor[1] & 0xFFFF; \ - break; \ - case 2: \ - *addrp ^= piQxelXor[1] & 0xFFFF0000; \ - *(addrp+1) ^= piQxelXor[2] & 0xFF; \ - break; \ - } -#endif -#if RROP == GXand -#define body_rop \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp &= piQxelAnd[0] | 0xFF000000; \ - break; \ - case 1: \ - *addrp &= piQxelAnd[2] | 0xFF; \ - break; \ - case 3: \ - *addrp &= 0xFFFFFF | piQxelAnd[0]; \ - *(addrp+1) &= 0xFFFF0000 | piQxelAnd[1]; \ - break; \ - case 2: \ - *addrp &= 0xFFFF | piQxelAnd[1]; \ - *(addrp+1) &= 0xFFFFFF00 | piQxelAnd[2]; \ - break; \ - } -#endif -#if RROP == GXor -#define body_rop \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp |= piQxelOr[0] & 0xFFFFFF; \ - break; \ - case 1: \ - *addrp |= piQxelOr[2] & 0xFFFFFF00; \ - break; \ - case 3: \ - *addrp |= piQxelOr[0] & 0xFF000000; \ - *(addrp+1) |= piQxelOr[1] & 0xFFFF; \ - break; \ - case 2: \ - *addrp |= piQxelOr[1] & 0xFFFF0000; \ - *(addrp+1) |= piQxelOr[2] & 0xFF; \ - break; \ - } -#endif -#if RROP == GXset -#define body_rop \ - addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ - switch((unsigned long)addrb & 3){ \ - case 0: \ - *addrp = (*addrp & (piQxelAnd[0]|0xFF000000)) \ - ^ (piQxelXor[0] & 0xFFFFFF); \ - break; \ - case 1: \ - *addrp = (*addrp & (piQxelAnd[2]|0xFF)) \ - ^ (piQxelXor[2] & 0xFFFFFF00); \ - break; \ - case 3: \ - *addrp = (*addrp & (piQxelAnd[0]|0xFFFFFF)) \ - ^ (piQxelXor[0] & 0xFF000000); \ - *(addrp+1) = (*(addrp+1) & (piQxelAnd[1]|0xFFFF0000)) \ - ^ (piQxelXor[1] & 0xFFFF); \ - break; \ - case 2: \ - *addrp = (*addrp & (piQxelAnd[1]|0xFFFF)) \ - ^ (piQxelXor[1] & 0xFFFF0000); \ - *(addrp+1) = (*(addrp+1) & (piQxelAnd[2]|0xFFFFFF00)) \ - ^ (piQxelXor[2] & 0xFF); \ - break; \ - } -#endif -#endif /* PSZ == 24 */ - -#define BUGFIX_clip - -#ifdef INCLUDE_DRAW - -int -#ifdef POLYSEGMENT -FUNC_NAME(cfb8SegmentSS1Rect) (pDrawable, pGC, nseg, pSegInit) - DrawablePtr pDrawable; - GCPtr pGC; - int nseg; - xSegment *pSegInit; -#else -FUNC_NAME(cfb8LineSS1Rect) (pDrawable, pGC, mode, npt, pptInit, pptInitOrig, - x1p,y1p,x2p,y2p) - DrawablePtr pDrawable; - GCPtr pGC; - int mode; /* Origin or Previous */ - int npt; /* number of points */ - DDXPointPtr pptInit, pptInitOrig; - int *x1p, *y1p, *x2p, *y2p; -#endif /* POLYSEGEMENT */ -{ - register long e; - register int y1_or_e1; - register PixelType *addrp; - register int stepmajor; - register int stepminor; -#ifndef REARRANGE - register long e3; -#endif -#ifdef mc68000 - register short x1_or_len; -#else - register int x1_or_len; -#endif - RROP_DECLARE - -#ifdef SAVE_X2Y2 -# define c2 y2 -#else - register int c2; -#endif -#ifndef ORIGIN - register int _x1, _y1, _x2, _y2; /* only used for CoordModePrevious */ - int extents_x1, extents_y1, extents_x2, extents_y2; -#endif /* !ORIGIN */ -#ifndef PREVIOUS - register int upperleft, lowerright; - CARD32 ClipMask = 0x80008000; -#endif /* !PREVIOUS */ -#ifdef POLYSEGMENT - register int capStyle; -#endif /* POLYSEGMENT */ -#ifdef SAVE_X2Y2 - register int x2, y2; -# define X1 x1_or_len -# define Y1 y1_or_e1 -# define X2 x2 -# define Y2 y2 -#else -# ifdef POLYSEGMENT -# define X1 x1_or_len -# define Y1 y1_or_e1 -# else -# define X1 intToX(y1_or_e1) -# define Y1 intToY(y1_or_e1) -# endif /* POLYSEGMENT */ -# define X2 intToX(c2) -# define Y2 intToY(c2) -#endif /* SAVE_X2Y2 */ - PixelType *addr; - int nwidth; - cfbPrivGCPtr devPriv; - BoxPtr extents; - int *ppt; -#if PSZ == 24 - int xBase; /* x of addr */ - int xOffset; /* x of addrp */ - int xOffset_t; /* x of t */ - PixelType *addrLineEnd; - char *addrb; - int stepmajor3, stepminor3, majordx, minordx; -#endif -#ifdef BUGFIX_clip - int ex_x1, ex_y1, ex_x2, ex_y2; -#endif - int octant; - unsigned int bias = miGetZeroLineBias(pDrawable->pScreen); - - devPriv = cfbGetGCPrivate(pGC); - cfbGetPixelWidthAndPointer (pDrawable, nwidth, addr); -#ifndef REARRANGE - RROP_FETCH_GCPRIV(devPriv); -#endif - extents = &devPriv->pCompositeClip->extents; -#ifndef PREVIOUS - c2 = *((int *) &pDrawable->x); - c2 -= (c2 & 0x8000) << 1; - upperleft = *((int *) &extents->x1) - c2; - lowerright = *((int *) &extents->x2) - c2 - 0x00010001; -#endif /* !PREVIOUS */ -#ifdef BUGFIX_clip - ex_x1 = extents->x1 - pDrawable->x; - ex_y1 = extents->y1 - pDrawable->y; - ex_x2 = extents->x2 - pDrawable->x; - ex_y2 = extents->y2 - pDrawable->y; -#endif -#if PSZ == 24 - xBase = pDrawable->x; - addr += WIDTH_MUL(pDrawable->y,nwidth); -#else - addr = addr + WIDTH_MUL(pDrawable->y,nwidth) + pDrawable->x; -#endif -#ifdef POLYSEGMENT - capStyle = pGC->capStyle - CapNotLast; - ppt = (int *) pSegInit; - while (nseg--) -#else /* POLYSEGMENT */ -#ifdef EITHER_MODE - mode -= CoordModePrevious; - if (!mode) -#endif /* EITHER_MODE */ -#ifndef ORIGIN - { /* CoordModePrevious */ - ppt = (int *)pptInit + 1; - _x1 = *x1p; - _y1 = *y1p; - extents_x1 = extents->x1 - pDrawable->x; - extents_x2 = extents->x2 - pDrawable->x; - extents_y1 = extents->y1 - pDrawable->y; - extents_y2 = extents->y2 - pDrawable->y; - if (_x1 < extents_x1 || _x1 >= extents_x2 || - _y1 < extents_y1 || _y1 >= extents_y2) - { - c2 = *ppt++; - intToCoord(c2, _x2, _y2); - *x2p = _x1 + _x2; - *y2p = _y1 + _y2; - return 1; - } -#if PSZ == 24 - addrLineEnd = addr + WIDTH_MUL(_y1, nwidth); - xOffset = xBase + _x1; - addrb = (char *)addrLineEnd + xOffset * 3; - addrp = (PixelType *)((unsigned long)addrb & ~0x03); -#else - addrp = addr + WIDTH_MUL(_y1, nwidth) + _x1; -#endif - _x2 = _x1; - _y2 = _y1; - } -#endif /* !ORIGIN */ -#ifdef EITHER_MODE - else -#endif /* EITHER_MODE */ -#ifndef PREVIOUS - { - ppt = (int *) pptInit; - c2 = *ppt++; - if (isClipped (c2, upperleft, lowerright)) - { - return 1; - } -#ifdef SAVE_X2Y2 - intToCoord(c2,x2,y2); -#endif -#if PSZ == 24 - addrLineEnd = addr + WIDTH_MUL(Y2, nwidth); - xOffset = xBase + X2; - addrb = (char *)addrLineEnd + xOffset * 3; - addrp = (PixelType *)((unsigned long)addrb & ~0x03); -#else - addrp = addr + WIDTH_MUL(Y2, nwidth) + X2; -#endif - } -#endif /* !PREVIOUS */ - while (--npt) -#endif /* POLYSEGMENT */ - { -#ifdef POLYSEGMENT - y1_or_e1 = ppt[0]; - c2 = ppt[1]; - ppt += 2; - if (isClipped(y1_or_e1,upperleft,lowerright)|isClipped(c2,upperleft,lowerright)) - break; - intToCoord(y1_or_e1,x1_or_len,y1_or_e1); - /* compute now to avoid needing x1, y1 later */ -#if PSZ == 24 - addrLineEnd = addr + WIDTH_MUL(y1_or_e1, nwidth); - xOffset = xBase + x1_or_len; - addrb = (char *)addrLineEnd + xOffset * 3; - addrp = (PixelType *)((unsigned long)addrb & ~0x03); -#else - addrp = addr + WIDTH_MUL(y1_or_e1, nwidth) + x1_or_len; -#endif -#else /* !POLYSEGMENT */ -#ifdef EITHER_MODE - if (!mode) -#endif /* EITHER_MODE */ -#ifndef ORIGIN - { - /* CoordModePrevious */ - _x1 = _x2; - _y1 = _y2; - c2 = *ppt++; - intToCoord(c2, _x2, _y2); - _x2 = _x1 + _x2; - _y2 = _y1 + _y2; - -#ifdef BUGFIX_clip - if (_x2 < ex_x1 || _x2 >= ex_x2 || - _y2 < ex_y1 || _y2 >= ex_y2) -#else - if (_x2 < extents_x1 || _x2 >= extents_x2 || - _y2 < extents_y1 || _y2 >= extents_y2) -#endif - { - break; - } - CalcLineDeltas(_x1, _y1, _x2, _y2, x1_or_len, y1_or_e1, - stepmajor, stepminor, 1, NWIDTH(nwidth), octant); - } -#endif /* !ORIGIN */ -#ifdef EITHER_MODE - else -#endif /* EITHER_MODE */ -#ifndef PREVIOUS - { -#ifndef SAVE_X2Y2 - y1_or_e1 = c2; -#else - y1_or_e1 = y2; - x1_or_len = x2; -#endif /* SAVE_X2Y2 */ - c2 = *ppt++; - - if (isClipped (c2, upperleft, lowerright)) - break; -#ifdef SAVE_X2Y2 - intToCoord(c2,x2,y2); -#endif - CalcLineDeltas(X1, Y1, X2, Y2, x1_or_len, y1_or_e1, - stepmajor, stepminor, 1, NWIDTH(nwidth), octant); - } -#endif /* !PREVIOUS */ -#endif /* POLYSEGMENT */ - -#ifdef POLYSEGMENT - CalcLineDeltas(X1, Y1, X2, Y2, x1_or_len, y1_or_e1, - stepmajor, stepminor, 1, NWIDTH(nwidth), octant); - /* - * although the horizontal code works for polyline, it - * slows down 10 pixel lines by 15%. Thus, this - * code is optimized for horizontal segments and - * random orientation lines, which seems like a reasonable - * assumption - */ - if (y1_or_e1 != 0) - { -#endif /* POLYSEGMENT */ - if (x1_or_len < y1_or_e1) - { -#ifdef REARRANGE - register int e3; -#endif - - e3 = x1_or_len; - x1_or_len = y1_or_e1; - y1_or_e1 = e3; - - e3 = stepminor; - stepminor = stepmajor; - stepmajor = e3; - SetYMajorOctant(octant); - } - - e = -x1_or_len; -#ifdef POLYSEGMENT - if (!capStyle) - x1_or_len--; -#endif - - { -#ifdef REARRANGE - register int e3; - RROP_DECLARE - RROP_FETCH_GCPRIV(devPriv); -#endif - - y1_or_e1 = y1_or_e1 << 1; - e3 = e << 1; - - FIXUP_ERROR(e, octant, bias); - -#if PSZ == 24 - if (stepmajor == 1 || stepmajor == -1){ - stepmajor3 = stepmajor * 3; - stepminor3 = stepminor * sizeof (long); - majordx = stepmajor; minordx = 0; - } else { - stepmajor3 = stepmajor * sizeof (long); - stepminor3 = stepminor * 3; - majordx = 0; minordx = stepminor; - } -#endif - -#if PSZ == 24 -#define body {\ - body_rop \ - addrb += stepmajor3; \ - xOffset += majordx; \ - e += y1_or_e1; \ - if (e >= 0){ \ - addrb += stepminor3; \ - xOffset += minordx; \ - e += e3; \ - } \ - } -#else /* PSZ == 24 */ - -#define body {\ - RROP_SOLID(addrp); \ - addrp += stepmajor; \ - e += y1_or_e1; \ - if (e >= 0) \ - { \ - addrp += stepminor; \ - e += e3; \ - } \ - } -#endif /* PSZ == 24 */ - -#ifdef LARGE_INSTRUCTION_CACHE - -# ifdef SERIOUS_UNROLLING -# define UNROLL 16 -# else -# define UNROLL 4 -# endif -#define CASE(n) case -n: body - - while ((x1_or_len -= UNROLL) >= 0) - { - body body body body -# if UNROLL >= 8 - body body body body -# endif -# if UNROLL >= 12 - body body body body -# endif -# if UNROLL >= 16 - body body body body -# endif - } - switch (x1_or_len) - { - CASE(1) CASE(2) CASE(3) -# if UNROLL >= 8 - CASE(4) CASE(5) CASE(6) CASE(7) -# endif -# if UNROLL >= 12 - CASE(8) CASE(9) CASE(10) CASE(11) -# endif -# if UNROLL >= 16 - CASE(12) CASE(13) CASE(14) CASE(15) -# endif - } -#else /* !LARGE_INSTRUCTION_CACHE */ - - IMPORTANT_START - IMPORTANT_START - - if (x1_or_len & 1) - body - x1_or_len >>= 1; - while (x1_or_len--) { - body body - } - - IMPORTANT_END - IMPORTANT_END -#endif /* LARGE_INSTRUCTION_CACHE */ - -#ifdef POLYSEGMENT -#if PSZ == 24 - body_rop -#else - RROP_SOLID(addrp); -#endif -#endif -#if PSZ == 24 - addrp = (PixelType *)((unsigned long)addrb & ~0x03); -#endif - } -#undef body -#ifdef POLYSEGMENT - } - else - { -# ifdef REARRANGE - register int e3; - RROP_DECLARE - RROP_FETCH_GCPRIV(devPriv); -# endif /* REARRANGE */ - if (stepmajor < 0) - { -#if PSZ == 24 - xOffset -= x1_or_len; - addrp = addrLineEnd + PXL2ADR(xOffset); -#else - addrp -= x1_or_len; -#endif - if (capStyle) - x1_or_len++; - else -#if PSZ == 24 - xOffset++; - addrp = addrLineEnd + PXL2ADR(xOffset); -#else - addrp++; -#endif - } - else - { -#if PSZ == 24 - addrp = addrLineEnd + PXL2ADR(xOffset); -#endif - if (capStyle) - x1_or_len++; - } -# if PSZ == 24 - y1_or_e1 = xOffset & 3; -# else - /* Round addrp down to the next PixelGroup boundary, and - * set y1_or_e1 to the excess (in pixels) - * (assumes PGSZB is a power of 2). */ - y1_or_e1 = (((unsigned long) addrp) & (PGSZB - 1)) / (PSZ / 8); - addrp -= y1_or_e1; -# endif /* PSZ == 24 */ -#if PSZ == 24 - { -#if RROP == GXcopy - register int nlmiddle; - int leftIndex = xOffset & 3; - int rightIndex = (xOffset + x1_or_len) & 3; -#else - register int pidx; -#endif - -#if RROP == GXcopy - nlmiddle = x1_or_len; - if(leftIndex){ - nlmiddle -= (4 - leftIndex); - } - if(rightIndex){ - nlmiddle -= rightIndex; - } - - nlmiddle >>= 2; - switch(leftIndex+x1_or_len){ - case 4: - switch(leftIndex){ - case 0: - *addrp++ = piQxelXor[0]; - *addrp++ = piQxelXor[1]; - *addrp = piQxelXor[2]; - break; - case 1: - *addrp++ = ((*addrp) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000); - *addrp++ = piQxelXor[1]; - *addrp = piQxelXor[2]; - break; - case 2: - *addrp++ =((*addrp) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000); - *addrp = piQxelXor[2]; - break; - case 3: - *addrp =((*addrp) & 0xFF) | (piQxelXor[2] & 0xFFFFFF00); - break; - } - break; - case 3: - switch(leftIndex){ - case 0: - *addrp++ = piQxelXor[0]; - *addrp++ = piQxelXor[1]; - *addrp = ((*addrp) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF); - break; - case 1: - *addrp++ = ((*addrp) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000); - *addrp++ = piQxelXor[1]; - *addrp = ((*addrp) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF); - break; - case 2: - *addrp++ =((*addrp) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000); - *addrp = ((*addrp) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF); - break; - } - break; - case 2: - switch(leftIndex){ -/* - case 2: - *addrp++ = ((*addrp) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000); - *addrp = ((*addrp) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF); - break; -*/ - case 1: - *addrp++ = ((*addrp) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000); - *addrp = ((*addrp) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF); - break; - case 0: - *addrp++ = piQxelXor[0]; - *addrp = ((*addrp) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF); - break; - } - break; - case 1: /*only if leftIndex = 0 and w = 1*/ - if(x1_or_len){ - *addrp = ((*addrp) & 0xFF000000) | (piQxelXor[0] & 0xFFFFFF); - } -/* - else{ - *addrp++ = ((*addrp) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000); - *addrp = ((*addrp) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF); - } -*/ - break; - case 0: /*never*/ - break; - default: - { -/* - maskbits(y1_or_e1, x1_or_len, e, e3, x1_or_len) -*/ - switch(leftIndex){ - case 0: - break; - case 1: - *addrp++ = ((*addrp) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000); - *addrp++ = piQxelXor[1]; - *addrp++ = piQxelXor[2]; - break; - case 2: - *addrp++ = ((*addrp) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000); - *addrp++ = piQxelXor[2]; - break; - case 3: - *addrp++ = ((*addrp) & 0xFF) | (piQxelXor[2] & 0xFFFFFF00); - break; - } - while(nlmiddle--){ - *addrp++ = piQxelXor[0]; - *addrp++ = piQxelXor[1]; - *addrp++ = piQxelXor[2]; - } - switch(rightIndex++){ - case 0: - break; - case 1: - *addrp = ((*addrp) & 0xFF000000) | (piQxelXor[0] & 0xFFFFFF); - break; - case 2: - *addrp++ = piQxelXor[0]; - *addrp = ((*addrp) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF); - break; - case 3: - *addrp++ = piQxelXor[0]; - *addrp++ = piQxelXor[1]; - *addrp = ((*addrp) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF); - break; - } -/* - if (e3){ - e3 &= 0xFFFFFF; - switch(rightIndex&3){ - case 0: - *addrp = ((*addrp) & (0xFF000000 | ~e3)) - | (piQxelXor[0] & 0xFFFFFF & e3); - break; - case 1: - *addrp++ = ((*addrp) & (0xFFFFFF | ~(e3<<24))) - | (piQxelXor[0] & 0xFF000000 & (e3<<24)); - *addrp = ((*addrp) & (0xFFFF0000|~(e3 >> 8))) - | (piQxelXor[1] & 0xFFFF & (e3 >> 8)); - break; - case 2: - *addrp++ = ((*addrp) & (0xFFFF|~(e3 << 16))) - | (piQxelXor[1] & 0xFFFF0000 & (e3 << 16)); - *addrp = ((*addrp) & (0xFFFFFF00|~(e3>>16))) - | (piQxelXor[2] & 0xFF & (e3 >> 16)); - break; - case 3: - *addrp++ = ((*addrp) & (0xFF|~(e3<<8))) - | (piQxelXor[2] & 0xFFFFFF00 & (e3<<8)); - break; - } - } -*/ - } - } -#else /* GXcopy */ - addrp = (PixelType *)((char *)addrLineEnd + ((xOffset * 3) & ~0x03)); - if (x1_or_len <= 1){ - if (x1_or_len) - RROP_SOLID24(addrp, xOffset); - } else { - maskbits(xOffset, x1_or_len, e, e3, x1_or_len); - pidx = xOffset & 3; - if (e){ - RROP_SOLID_MASK(addrp, e, pidx-1); - addrp++; - if (pidx == 3) - pidx = 0; - } - while (--x1_or_len >= 0){ - RROP_SOLID(addrp, pidx); - addrp++; - if (++pidx == 3) - pidx = 0; - } - if (e3) - RROP_SOLID_MASK(addrp, e3, pidx); - } -#endif /* GXcopy */ - } -#else /* PSZ == 24 */ - if (y1_or_e1 + x1_or_len <= PPW) - { - if (x1_or_len) - { - maskpartialbits(y1_or_e1, x1_or_len, e) - RROP_SOLID_MASK((unsigned long *) addrp, e); - } - } - else - { - maskbits(y1_or_e1, x1_or_len, e, e3, x1_or_len) - if (e) - { - RROP_SOLID_MASK((unsigned long *) addrp, e); - addrp += PPW; - } -#if 0 - RROP_SPAN_lu(addrp, x1_or_len) -#else - RROP_SPAN(addrp, x1_or_len) -#endif - if (e3) -#if 0 - RROP_SOLID_MASK_lu((unsigned long *) addrp, e3); -#else - RROP_SOLID_MASK((unsigned long *) addrp, e3); -#endif - } -#endif /* PSZ == 24 */ - } -#endif /* POLYSEGMENT */ - } -#ifdef POLYSEGMENT - if (nseg >= 0) - return (xSegment *) ppt - pSegInit; -#else - if (npt) - { -#ifdef EITHER_MODE - if (!mode) -#endif /* EITHER_MODE */ -#ifndef ORIGIN - { - *x1p = _x1; - *y1p = _y1; - *x2p = _x2; - *y2p = _y2; - } -#endif /* !ORIGIN */ - return ((DDXPointPtr) ppt - pptInit) - 1; - } -#endif /* POLYSEGMENT */ - -#ifndef POLYSEGMENT -# ifndef ORIGIN -# define C2 c2 -# else -# define C2 ppt[-1] -# endif -#ifdef EITHER_MODE - if (pGC->capStyle != CapNotLast && - ((mode ? (C2 != *((int *) pptInitOrig)) - : ((_x2 != pptInitOrig->x) || - (_y2 != pptInitOrig->y))) - || (ppt == ((int *)pptInitOrig) + 2))) -#endif /* EITHER_MODE */ -#ifdef PREVIOUS - if (pGC->capStyle != CapNotLast && - ((_x2 != pptInitOrig->x) || - (_y2 != pptInitOrig->y) || - (ppt == ((int *)pptInitOrig) + 2))) -#endif /* PREVIOUS */ -#ifdef ORIGIN - if (pGC->capStyle != CapNotLast && - ((C2 != *((int *) pptInitOrig)) || - (ppt == ((int *)pptInitOrig) + 2))) -#endif /* !PREVIOUS */ - { -# ifdef REARRANGE - RROP_DECLARE - - RROP_FETCH_GCPRIV(devPriv); -# endif -#if PSZ == 24 -#if RROP == GXcopy - switch(xOffset & 3){ - case 0: - *addrp = ((*addrp)&0xFF000000)|(piQxelXor[0] & 0xFFFFFF); - break; - case 3: - *addrp = ((*addrp)&0xFF)|(piQxelXor[2] & 0xFFFFFF00); - break; - case 1: - *addrp = ((*addrp)&0xFFFFFF)|(piQxelXor[0] & 0xFF000000); - *(addrp+1) = ((*(addrp+1))&0xFFFF0000)|(piQxelXor[1] & 0xFFFF); - break; - case 2: - *addrp = ((*addrp)&0xFFFF)|(piQxelXor[1] & 0xFFFF0000); - *(addrp+1) = ((*(addrp+1))&0xFFFFFF00)|(piQxelXor[2] & 0xFF); - break; - } -#endif -#if RROP == GXxor - switch(xOffset & 3){ - case 0: - *addrp ^= (piQxelXor[0] & 0xFFFFFF); - break; - case 3: - *addrp ^= (piQxelXor[2] & 0xFFFFFF00); - break; - case 1: - *addrp ^= (piQxelXor[0] & 0xFF000000); - *(addrp+1) ^= (piQxelXor[1] & 0xFFFF); - break; - case 2: - *addrp ^= (piQxelXor[1] & 0xFFFF0000); - *(addrp+1) ^= (piQxelXor[2] & 0xFF); - break; - } -#endif -#if RROP == GXand - switch(xOffset & 3){ - case 0: - *addrp &= (piQxelAnd[0] | 0xFF000000); - break; - case 3: - *addrp &= (piQxelAnd[2] | 0xFF); - break; - case 1: - *addrp &= (0xFFFFFF|piQxelAnd[0]); - *(addrp+1) &= (0xFFFF0000|piQxelAnd[1]); - break; - case 2: - *addrp &= (0xFFFF|piQxelAnd[1]); - *(addrp+1) &= (0xFFFFFF00|piQxelAnd[2]); - break; - } -#endif -#if RROP == GXor - switch(xOffset & 3){ - case 0: - *addrp |= (piQxelOr[0] & 0xFFFFFF); - break; - case 3: - *addrp |= (piQxelOr[2] & 0xFFFFFF00); - break; - case 1: - *addrp |= (piQxelOr[0] & 0xFF000000); - *(addrp+1) |= (piQxelOr[1] & 0xFFFF); - break; - case 2: - *addrp |= (piQxelOr[1] & 0xFFFF0000); - *(addrp+1) |= (piQxelOr[2] & 0xFF); - break; - } -#endif -#if RROP == GXset - switch(xOffset & 3){ - case 0: - *addrp = (((*addrp)&(piQxelAnd[0] |0xFF000000))^(piQxelXor[0] & 0xFFFFFF)); - break; - case 3: - *addrp = (((*addrp)&(piQxelAnd[2]|0xFF))^(piQxelXor[2] & 0xFFFFFF00)); - break; - case 1: - *addrp = (((*addrp)&(piQxelAnd[0]|0xFFFFFF))^(piQxelXor[0] & 0xFF000000)); - *(addrp+1) = (((*(addrp+1))&(piQxelAnd[1]|0xFFFF0000))^(piQxelXor[1] & 0xFFFF)); - break; - case 2: - *addrp = (((*addrp)&(piQxelAnd[1]|0xFFFF))^(piQxelXor[1] & 0xFFFF0000)); - *(addrp+1) = (((*(addrp+1))&(piQxelAnd[2]|0xFFFFFF00))^(piQxelXor[2] & 0xFF)); - break; - } -#endif -#else - RROP_SOLID (addrp); -# endif - } -#endif /* !POLYSEGMENT */ - return -1; -} - -#endif /* INCLUDE_DRAW */ - - -#ifdef INCLUDE_OTHERS - -#ifdef POLYSEGMENT - -void -cfb8SegmentSS1Rect (pDrawable, pGC, nseg, pSegInit) - DrawablePtr pDrawable; - GCPtr pGC; - int nseg; - xSegment *pSegInit; -{ - int (*func)(); - void (*clip)(); - int drawn; - cfbPrivGCPtr devPriv; - - devPriv = cfbGetGCPrivate(pGC); -#ifdef NO_ONE_RECT - if (REGION_NUM_RECTS(devPriv->pCompositeClip) != 1) - { - cfbSegmentSS(pDrawable, pGC, nseg, pSegInit); - return; - } -#endif - switch (devPriv->rop) - { - case GXcopy: - func = cfb8SegmentSS1RectCopy; - clip = cfb8ClippedLineCopy; -#ifdef FAST_MUL - if (cfbGetPixelWidth (pDrawable) == WIDTH_FAST) - func = cfb8SegmentSS1RectShiftCopy; -#endif - break; - case GXxor: - func = cfb8SegmentSS1RectXor; - clip = cfb8ClippedLineXor; - break; - default: - func = cfb8SegmentSS1RectGeneral; - clip = cfb8ClippedLineGeneral; - break; - } - while (nseg) - { - drawn = (*func) (pDrawable, pGC, nseg, pSegInit); - if (drawn == -1) - break; - (*clip) (pDrawable, pGC, - pSegInit[drawn-1].x1, pSegInit[drawn-1].y1, - pSegInit[drawn-1].x2, pSegInit[drawn-1].y2, - &devPriv->pCompositeClip->extents, - pGC->capStyle == CapNotLast); - pSegInit += drawn; - nseg -= drawn; - } -} - -#else /* POLYSEGMENT */ - -void -cfb8LineSS1Rect (pDrawable, pGC, mode, npt, pptInit) - DrawablePtr pDrawable; - GCPtr pGC; - int mode; - int npt; - DDXPointPtr pptInit; -{ - int (*func)(); - void (*clip)(); - int drawn; - cfbPrivGCPtr devPriv; - int x1, y1, x2, y2; - DDXPointPtr pptInitOrig = pptInit; - - devPriv = cfbGetGCPrivate(pGC); -#ifdef NO_ONE_RECT - if (REGION_NUM_RECTS(devPriv->pCompositeClip) != 1) - { - cfbLineSS(pDrawable, pGC, mode, npt, pptInit); - return; - } -#endif - switch (devPriv->rop) - { - case GXcopy: - func = cfb8LineSS1RectCopy; - clip = cfb8ClippedLineCopy; - if (mode == CoordModePrevious) - func = cfb8LineSS1RectPreviousCopy; - break; - case GXxor: - func = cfb8LineSS1RectXor; - clip = cfb8ClippedLineXor; - break; - default: - func = cfb8LineSS1RectGeneral; - clip = cfb8ClippedLineGeneral; - break; - } - if (mode == CoordModePrevious) - { - x1 = pptInit->x; - y1 = pptInit->y; - while (npt > 1) - { - drawn = (*func) (pDrawable, pGC, mode, npt, pptInit, pptInitOrig, - &x1, &y1, &x2, &y2); - if (drawn == -1) - break; - (*clip) (pDrawable, pGC, x1, y1, x2, y2, - &devPriv->pCompositeClip->extents, - drawn != npt - 1 || pGC->capStyle == CapNotLast); - pptInit += drawn; - npt -= drawn; - x1 = x2; - y1 = y2; - } - } - else - { - while (npt > 1) - { - drawn = (*func) (pDrawable, pGC, mode, npt, pptInit, pptInitOrig, - &x1, &y1, &x2, &y2); - if (drawn == -1) - break; - (*clip) (pDrawable, pGC, - pptInit[drawn-1].x, pptInit[drawn-1].y, - pptInit[drawn].x, pptInit[drawn].y, - &devPriv->pCompositeClip->extents, - drawn != npt - 1 || pGC->capStyle == CapNotLast); - pptInit += drawn; - npt -= drawn; - } - } -} - -#endif /* else POLYSEGMENT */ -#endif /* INCLUDE_OTHERS */ - -#if !defined(POLYSEGMENT) && !defined (PREVIOUS) - -void -RROP_NAME (cfb8ClippedLine) (pDrawable, pGC, x1, y1, x2, y2, boxp, shorten) - DrawablePtr pDrawable; - GCPtr pGC; - int x1, y1, x2, y2; - BoxPtr boxp; - Bool shorten; -{ - int oc1, oc2; - int e, e1, e3, len; - int adx, ady; - - PixelType *addr; - int nwidth; - int stepx, stepy; - int xorg, yorg; - int new_x1, new_y1, new_x2, new_y2; - Bool pt1_clipped, pt2_clipped; - int changex, changey, result; -#if PSZ == 24 - int xOffset; - PixelType *addrLineEnd; - char *addrb; - int stepx3, stepy3; -#endif - int octant; - unsigned int bias = miGetZeroLineBias(pDrawable->pScreen); - - cfbGetPixelWidthAndPointer(pDrawable, nwidth, addr); - - xorg = pDrawable->x; - yorg = pDrawable->y; - x1 += xorg; - y1 += yorg; - x2 += xorg; - y2 += yorg; - oc1 = 0; - oc2 = 0; - OUTCODES (oc1, x1, y1, boxp); - OUTCODES (oc2, x2, y2, boxp); - - if (oc1 & oc2) - return; - - CalcLineDeltas(x1, y1, x2, y2, adx, ady, stepx, stepy, 1, nwidth, octant); - - if (adx <= ady) - { - int t; - - t = adx; - adx = ady; - ady = t; - - t = stepx; - stepx = stepy; - stepy = t; - - SetYMajorOctant(octant); - } - e = - adx; - e1 = ady << 1; - e3 = - (adx << 1); - - FIXUP_ERROR(e, octant, bias); - - new_x1 = x1; - new_y1 = y1; - new_x2 = x2; - new_y2 = y2; - pt1_clipped = 0; - pt2_clipped = 0; - - if (IsXMajorOctant(octant)) - { - result = miZeroClipLine(boxp->x1, boxp->y1, boxp->x2 - 1, boxp->y2 - 1, - &new_x1, &new_y1, &new_x2, &new_y2, - adx, ady, - &pt1_clipped, &pt2_clipped, - octant, bias, oc1, oc2); - if (result == -1) - return; - - len = abs(new_x2 - new_x1) - 1; /* this routine needs the "-1" */ - - /* if we've clipped the endpoint, always draw the full length - * of the segment, because then the capstyle doesn't matter - * if x2,y2 isn't clipped, use the capstyle - * (shorten == TRUE <--> CapNotLast) - */ - if (pt2_clipped || !shorten) - len++; - - if (pt1_clipped) - { - /* must calculate new error terms */ - changex = abs(new_x1 - x1); - changey = abs(new_y1 - y1); - e = e + changey * e3 + changex * e1; - } - } - else /* Y_AXIS */ - { - result = miZeroClipLine(boxp->x1, boxp->y1, boxp->x2 - 1, boxp->y2 - 1, - &new_x1, &new_y1, &new_x2, &new_y2, - ady, adx, - &pt1_clipped, &pt2_clipped, - octant, bias, oc1, oc2); - if (result == -1) - return; - - len = abs(new_y2 - new_y1) - 1; /* this routine needs the "-1" */ - - /* if we've clipped the endpoint, always draw the full length - * of the segment, because then the capstyle doesn't matter - * if x2,y2 isn't clipped, use the capstyle - * (shorten == TRUE <--> CapNotLast) - */ - if (pt2_clipped || !shorten) - len++; - - if (pt1_clipped) - { - /* must calculate new error terms */ - changex = abs(new_x1 - x1); - changey = abs(new_y1 - y1); - e = e + changex * e3 + changey * e1; - } - } - x1 = new_x1; - y1 = new_y1; - { - register PixelType *addrp; - RROP_DECLARE - - RROP_FETCH_GC(pGC); - -#if PSZ == 24 - xOffset = x1; - addrLineEnd = addr + (y1 * nwidth); - addrb = (char *)addrLineEnd + x1 * 3; - if (stepx == 1 || stepx == -1){ - stepx3 = stepx * 3; - stepy3 = stepy * sizeof (long); - } else { - stepx3 = stepx * sizeof (long); - stepy3 = stepy * 3; - } -#else - addrp = addr + (y1 * nwidth) + x1; -#endif - -#ifndef REARRANGE - if (!ady) - { -#if PSZ == 24 -#define body {\ - body_rop \ - addrb += stepx3; \ - } -#else -#define body { RROP_SOLID(addrp); addrp += stepx; } -#endif - while (len >= PGSZB) - { - body body body body -#if PGSZ == 64 - body body body body -#endif - len -= PGSZB; - } - switch (len) - { -#if PGSZ == 64 - case 7: body case 6: body case 5: body case 4: body -#endif - case 3: body case 2: body case 1: body - } -#undef body - } - else -#endif /* !REARRANGE */ - { -#if PSZ == 24 -#define body {\ - body_rop \ - addrb += stepx3; \ - e += e1; \ - if (e >= 0) \ - { \ - addrb += stepy3; \ - e += e3; \ - } \ - } -#else -#define body {\ - RROP_SOLID(addrp); \ - addrp += stepx; \ - e += e1; \ - if (e >= 0) \ - { \ - addrp += stepy; \ - e += e3; \ - } \ - } -#endif - -#ifdef LARGE_INSTRUCTION_CACHE - while ((len -= PGSZB) >= 0) - { - body body body body -#if PGSZ == 64 - body body body body -#endif - } - switch (len) - { - case -1: body case -2: body case -3: body -#if PGSZ == 64 - case -4: body case -5: body case -6: body case -7: body -#endif - } -#else /* !LARGE_INSTRUCTION_CACHE */ - IMPORTANT_START; - - while ((len -= 2) >= 0) - { - body body; - } - if (len & 1) - body; - - IMPORTANT_END; -#endif /* LARGE_INSTRUCTION_CACHE */ - } -#if PSZ == 24 - body_rop -#else - RROP_SOLID(addrp); -#endif -#undef body - } -} - -#endif /* !POLYSEGMENT && !PREVIOUS */ -#endif /* PIXEL_ADDR */