diff options
Diffstat (limited to 'nx-X11/programs/Xserver/iplan2p4/ipltileodd.c')
| -rw-r--r-- | nx-X11/programs/Xserver/iplan2p4/ipltileodd.c | 869 |
1 files changed, 0 insertions, 869 deletions
diff --git a/nx-X11/programs/Xserver/iplan2p4/ipltileodd.c b/nx-X11/programs/Xserver/iplan2p4/ipltileodd.c deleted file mode 100644 index 7230a5621..000000000 --- a/nx-X11/programs/Xserver/iplan2p4/ipltileodd.c +++ /dev/null @@ -1,869 +0,0 @@ -/* $XFree86$ */ -/* - * Fill odd tiled rectangles and spans. - * no depth dependencies. - */ - -/* - -Copyright (c) 1989 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. -*/ - -/* $XConsortium: ipltileodd.c,v 1.16 94/04/17 20:29:06 dpw Exp $ */ - -/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with -interleaved planes */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> -#include "servermd.h" -#include "gcstruct.h" -#include "window.h" -#include "pixmapstr.h" -#include "scrnintstr.h" -#include "windowstr.h" - -#include "ipl.h" - -#include "iplmskbits.h" -#include "iplmergerop.h" - -#define LEFTSHIFT_AMT 0 - -#define LastTileBits {\ - INTER_COPY(bits, tmp); \ - if (tileEndPart) \ - INTER_MSKINSM(tileEndMask, 0, pSrc, \ - ~0, tileEndLeftShift, pSrcLine, bits) \ - else \ - INTER_COPY(pSrc, bits); \ -} - -#define ResetTileBits {\ - pSrc = pSrcLine; \ - nlwSrc = widthSrc;\ - if (tileEndPart) { \ - if (INTER_PPG - xoff + tileEndPart <= INTER_PPG) {\ - INTER_COPY(pSrc, bits); INTER_NEXT_GROUP(pSrc); \ - nlwSrc--; \ - } else \ - INTER_MSKINSM(~0, tileEndLeftShift, tmp, \ - ~0, tileEndRightShift, bits, bits); \ - xoff = (xoff + xoffStep) & INTER_PIM; \ - leftShift = xoff << LEFTSHIFT_AMT; \ - rightShift = INTER_PGSZ - leftShift; \ - }\ -} - -#define NextTileBits {\ - if (nlwSrc == 1) {\ - LastTileBits\ - } else { \ - if (nlwSrc == 0) {\ - ResetTileBits\ - } \ - if (nlwSrc == 1) {\ - LastTileBits\ - } else {\ - INTER_COPY(bits, tmp); \ - INTER_COPY(pSrc, bits); INTER_NEXT_GROUP(pSrc); \ - }\ - }\ - nlwSrc--; \ -} - -void -INTER_MROP_NAME(iplFillBoxTileOdd) (pDrawable, nBox, pBox, tile, xrot, yrot, alu, planemask) - DrawablePtr pDrawable; - int nBox; /* number of boxes to fill */ - register BoxPtr pBox; /* pointer to list of boxes to fill */ - PixmapPtr tile; /* tile */ - int xrot, yrot; - int alu; - unsigned long planemask; -{ - int tileWidth; /* width of tile in pixels */ - int tileHeight; /* height of the tile */ - int widthSrc; - - int widthDst; /* width in longwords of the dest pixmap */ - int w; /* width of current box */ - int h; /* height of current box */ - INTER_DECLAREG(startmask); - INTER_DECLAREG(endmask);/* masks for reggedy bits at either end of line */ - int nlwMiddle; /* number of longwords between sides of boxes */ - int nlwSrc; /* number of whole longwords in source */ - - register int nlw; /* loop version of nlwMiddle */ - int srcy; /* current tile y position */ - int srcx; /* current tile x position */ - int xoffDst, xoffSrc; - int leftShift, rightShift; - - INTER_MROP_DECLARE_REG() - - INTER_DECLAREG(*pDstBase); /* pointer to start of dest */ - INTER_DECLAREG(*pDstLine); /* poitner to start of dest box */ - INTER_DECLAREG(*pSrcBase); /* pointer to start of source */ - INTER_DECLAREG(*pSrcLine); /* pointer to start of source line */ - INTER_DECLAREG(*pDst); - INTER_DECLAREG(*pSrc); - INTER_DECLAREGP(bits); - INTER_DECLAREGP(tmp); - INTER_DECLAREGP(tmp1); - register int nlwPart; - int xoffStart, xoff; - int leftShiftStart, rightShiftStart, nlwSrcStart; - INTER_DECLAREG(tileEndMask); - int tileEndLeftShift, tileEndRightShift; - int xoffStep; - int tileEndPart; - int needFirst; - unsigned short narrow[2 * INTER_PLANES]; - INTER_DECLAREG(narrowMask); - int narrowShift; - Bool narrowTile; - int narrowRep; - - INTER_MROP_INITIALIZE (alu, planemask) - - tileHeight = tile->drawable.height; - tileWidth = tile->drawable.width; - widthSrc = tile->devKind / (INTER_PGSZB * INTER_PLANES); - narrowTile = FALSE; - - if (widthSrc == 1) - { - narrowRep = INTER_PPG / tileWidth; - narrowMask = iplendpartial [tileWidth]; - tileWidth *= narrowRep; - narrowShift = tileWidth; - tileWidth *= 2; - widthSrc = 2; - narrowTile = TRUE; - } - pSrcBase = (unsigned short *)tile->devPrivate.ptr; - - iplGetGroupWidthAndPointer (pDrawable, widthDst, pDstBase) - - tileEndPart = tileWidth & INTER_PIM; - tileEndMask = iplendpartial[tileEndPart]; - tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; - tileEndRightShift = INTER_PGSZ - tileEndLeftShift; - xoffStep = INTER_PPG - tileEndPart; - /* - * current assumptions: tile > 32 bits wide. - */ - while (nBox--) - { - w = pBox->x2 - pBox->x1; - h = pBox->y2 - pBox->y1; - modulus (pBox->x1 - xrot, tileWidth, srcx); - modulus (pBox->y1 - yrot, tileHeight, srcy); - xoffDst = pBox->x1 & INTER_PIM; - if (xoffDst + w < INTER_PPG) - { - INTER_maskpartialbits(pBox->x1, w, startmask); - endmask = 0; - nlwMiddle = 0; - } - else - { - INTER_maskbits (pBox->x1, w, startmask, endmask, nlwMiddle) - } - pDstLine = pDstBase + (pBox->y1 * widthDst) + - (pBox->x1 >> INTER_PGSH) * INTER_PLANES; - pSrcLine = pSrcBase + (srcy * widthSrc) * INTER_PLANES; - xoffSrc = srcx & INTER_PIM; - if (xoffSrc >= xoffDst) - { - xoffStart = xoffSrc - xoffDst; - needFirst = 1; - } - else - { - xoffStart = INTER_PPG - (xoffDst - xoffSrc); - needFirst = 0; - } - leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; - rightShiftStart = INTER_PGSZ - leftShiftStart; - nlwSrcStart = (widthSrc - (srcx >> INTER_PGSH)); - while (h--) - { - /* XXX only works when narrowShift >= INTER_PPG/2 */ - if (narrowTile) - { - int tmpnarrowRep; - int shift=narrowShift/narrowRep; - INTER_ANDMSK(pSrcBase + srcy * INTER_PLANES, narrowMask, tmp); - tmpnarrowRep=narrowRep; - /* copy tile until its nearly a whole group wide */ - while (--tmpnarrowRep) - INTER_MSKINSM(~0,0,tmp,~0,shift,tmp,tmp); - INTER_MSKINSM(~0, 0, tmp, ~0, narrowShift, tmp, narrow); - INTER_MSKINSM(~0, INTER_PPG - narrowShift, tmp, - ~0, 2 * narrowShift - INTER_PPG, tmp, - narrow + INTER_PLANES); - pSrcLine = narrow; - } - xoff = xoffStart; - leftShift = leftShiftStart; - rightShift = rightShiftStart; - nlwSrc = nlwSrcStart; - pSrc = pSrcLine + (srcx >> INTER_PGSH) * INTER_PLANES; - pDst = pDstLine; - INTER_CLR(bits); - if (needFirst) - { - NextTileBits - } - if (startmask) - { - NextTileBits - INTER_SCRLEFT(leftShift, tmp, tmp); - if (rightShift != INTER_PGSZ) - INTER_MSKINSM(~0, 0, tmp, ~0, rightShift, bits, tmp) - INTER_MROP_MASK (tmp, pDst, startmask, pDst); - INTER_NEXT_GROUP(pDst); - } - nlw = nlwMiddle; - while (nlw) - { - { - NextTileBits - if (rightShift != INTER_PGSZ) - { - INTER_MSKINSM(~0, leftShift, tmp, ~0, rightShift, bits, - tmp1); - INTER_MROP_SOLID(tmp1, pDst, pDst); - } - else - { - INTER_MROP_SOLID (tmp, pDst, pDst); - } - INTER_NEXT_GROUP(pDst); - nlw--; - } - } - if (endmask) - { - NextTileBits - if (rightShift == INTER_PGSZ) - INTER_CLR(bits); - INTER_MSKINSM(~0, leftShift, tmp, ~0, rightShift, bits, tmp1); - INTER_MROP_MASK(tmp1, pDst, endmask, pDst); - } - pDstLine += widthDst; - pSrcLine += widthSrc * INTER_PLANES; - if (++srcy == tileHeight) - { - srcy = 0; - pSrcLine = pSrcBase; - } - } - pBox++; - } -} - -void -INTER_MROP_NAME(iplFillSpanTileOdd) (pDrawable, n, ppt, pwidth, tile, xrot, yrot, alu, planemask) - DrawablePtr pDrawable; - int n; - DDXPointPtr ppt; - int *pwidth; - PixmapPtr tile; - int xrot, yrot; - int alu; - unsigned long planemask; -{ - int tileWidth; /* width of tile in pixels */ - int tileHeight; /* height of the tile */ - int widthSrc; - - int widthDst; /* width in longwords of the dest pixmap */ - int w; /* width of current span */ - INTER_DECLAREG(startmask); - INTER_DECLAREG (endmask); /* masks for reggedy bits at either end of line */ - int nlwSrc; /* number of whole longwords in source */ - - register int nlw; /* loop version of nlwMiddle */ - int srcy; /* current tile y position */ - int srcx; /* current tile x position */ - int xoffDst, xoffSrc; - int leftShift, rightShift; - - INTER_MROP_DECLARE_REG() - - INTER_DECLAREG(*pDstBase); /* pointer to start of dest */ - INTER_DECLAREG(*pDstLine); /* poitner to start of dest box */ - INTER_DECLAREG(*pSrcBase); /* pointer to start of source */ - INTER_DECLAREG(*pSrcLine); /* pointer to start of source line */ - INTER_DECLAREG(*pDst); - INTER_DECLAREG(*pSrc); - INTER_DECLAREGP(bits); - INTER_DECLAREGP(tmp); - INTER_DECLAREGP(tmp1); - register int nlwPart; - int xoffStart, xoff; - int leftShiftStart, rightShiftStart, nlwSrcStart; - INTER_DECLAREG(tileEndMask); - int tileEndLeftShift, tileEndRightShift; - int xoffStep; - int tileEndPart; - int needFirst; - unsigned short narrow[2 * INTER_PLANES]; - INTER_DECLAREG(narrowMask); - int narrowShift; - Bool narrowTile; - int narrowRep; - - INTER_MROP_INITIALIZE (alu, planemask) - - tileHeight = tile->drawable.height; - tileWidth = tile->drawable.width; - widthSrc = tile->devKind / (INTER_PGSZB * INTER_PLANES); - narrowTile = FALSE; - if (widthSrc == 1) - { - narrowRep = INTER_PPG / tileWidth; - narrowMask = iplendpartial [tileWidth]; - tileWidth *= narrowRep; - narrowShift = tileWidth; - tileWidth *= 2; - widthSrc = 2; - narrowTile = TRUE; - } - pSrcBase = (unsigned short *)tile->devPrivate.ptr; - - iplGetGroupWidthAndPointer (pDrawable, widthDst, pDstBase) - - tileEndPart = tileWidth & INTER_PIM; - tileEndMask = iplendpartial[tileEndPart]; - tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; - tileEndRightShift = INTER_PGSZ - tileEndLeftShift; - xoffStep = INTER_PPG - tileEndPart; - while (n--) - { - w = *pwidth++; - modulus (ppt->x - xrot, tileWidth, srcx); - modulus (ppt->y - yrot, tileHeight, srcy); - xoffDst = ppt->x & INTER_PIM; - if (xoffDst + w < INTER_PPG) - { - INTER_maskpartialbits(ppt->x, w, startmask); - endmask = 0; - nlw = 0; - } - else - { - INTER_maskbits (ppt->x, w, startmask, endmask, nlw) - } - pDstLine = pDstBase + (ppt->y * widthDst) + - (ppt->x >> INTER_PGSH) * INTER_PLANES; - pSrcLine = pSrcBase + (srcy * widthSrc) * INTER_PLANES; - xoffSrc = srcx & INTER_PIM; - if (xoffSrc >= xoffDst) - { - xoffStart = xoffSrc - xoffDst; - needFirst = 1; - } - else - { - xoffStart = INTER_PPG - (xoffDst - xoffSrc); - needFirst = 0; - } - leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; - rightShiftStart = INTER_PGSZ - leftShiftStart; - nlwSrcStart = widthSrc - (srcx >> INTER_PGSH); - /* XXX only works when narrowShift >= INTER_PPG/2 */ - if (narrowTile) - { - int tmpnarrowRep; - int shift=narrowShift/narrowRep; - INTER_ANDMSK(pSrcBase + srcy * INTER_PLANES, narrowMask, tmp); - tmpnarrowRep=narrowRep; - /* copy tile until its nearly a whole group wide */ - while (--tmpnarrowRep) - INTER_MSKINSM(~0,0,tmp,~0,shift,tmp,tmp); - INTER_MSKINSM(~0, 0, tmp, ~0, narrowShift, tmp, narrow); - INTER_MSKINSM(~0, INTER_PPG - narrowShift, tmp, - ~0, 2 * narrowShift - INTER_PPG, tmp, - narrow + INTER_PLANES); - pSrcLine = narrow; - } - xoff = xoffStart; - leftShift = leftShiftStart; - rightShift = rightShiftStart; - nlwSrc = nlwSrcStart; - pSrc = pSrcLine + (srcx >> INTER_PGSH) * INTER_PLANES; - pDst = pDstLine; - INTER_CLR(bits); - if (needFirst) - { - NextTileBits - } - if (startmask) - { - NextTileBits - INTER_SCRLEFT(leftShift, tmp, tmp); - if (rightShift != INTER_PGSZ) - INTER_MSKINSM(~0, 0, tmp, ~0, rightShift, bits, tmp); - INTER_MROP_MASK (tmp, pDst, startmask, pDst); - INTER_NEXT_GROUP(pDst); - } - while (nlw) - { - { - NextTileBits - if (rightShift != INTER_PGSZ) - { - INTER_MSKINSM(~0, leftShift, tmp, ~0, rightShift, bits, - tmp1); - INTER_MROP_SOLID(tmp1, pDst, pDst); - INTER_NEXT_GROUP(pDst); - } - else - { - INTER_MROP_SOLID (tmp, pDst, pDst); - INTER_NEXT_GROUP(pDst); - } - nlw--; - } - } - if (endmask) - { - NextTileBits - if (rightShift == INTER_PGSZ) - INTER_CLR(bits); - - INTER_MSKINSM(~0, leftShift, tmp, ~0, rightShift, bits, tmp1); - INTER_MROP_MASK(tmp1, pDst, endmask, pDst); - } - ppt++; - } -} - -# include "fastblt.h" - -#define IncSrcPtr INTER_NEXT_GROUP(psrc); if (!--srcRemaining) { srcRemaining = widthSrc; psrc = psrcStart; } - -void -INTER_MROP_NAME(iplFillBoxTile32s) (pDrawable, nBox, pBox, tile, xrot, yrot, alu, planemask) - DrawablePtr pDrawable; - int nBox; /* number of boxes to fill */ - register BoxPtr pBox; /* pointer to list of boxes to fill */ - PixmapPtr tile; /* tile */ - int xrot, yrot; - int alu; - unsigned long planemask; -{ - int tileWidth; /* width of tile */ - int tileHeight; /* height of the tile */ - int widthSrc; /* width in longwords of the source tile */ - - int widthDst; /* width in longwords of the dest pixmap */ - int w; /* width of current box */ - int h; /* height of current box */ - INTER_DECLAREG(startmask); - INTER_DECLAREG(endmask); /* masks for reggedy bits at either end of line */ - int nlMiddle; /* number of longwords between sides of boxes */ - - register int nl; /* loop version of nlMiddle */ - int srcy; /* current tile y position */ - int srcx; /* current tile x position */ - int srcRemaining; /* number of longwords remaining in source */ - int xoffDst, xoffSrc; - int srcStart; /* number of longwords source offset at left of box */ - int leftShift, rightShift; - - INTER_MROP_DECLARE_REG() - - INTER_DECLAREG(*pdstBase); /* pointer to start of dest */ - INTER_DECLAREG(*pdstLine); /* poitner to start of dest box */ - INTER_DECLAREG(*psrcBase); /* pointer to start of source */ - INTER_DECLAREG(*psrcLine); /* pointer to fetch point of source */ - INTER_DECLAREG(*psrcStart); /* pointer to start of source line */ - INTER_DECLAREG(*pdst); - INTER_DECLAREG(*psrc); - INTER_DECLAREGP(bits); - INTER_DECLAREGP(bits1); - register int nlTemp; - - INTER_MROP_INITIALIZE (alu, planemask) - - psrcBase = (unsigned short *)tile->devPrivate.ptr; - tileHeight = tile->drawable.height; - tileWidth = tile->drawable.width; - widthSrc = tile->devKind / (INTER_PGSZB * INTER_PLANES); - - iplGetGroupWidthAndPointer (pDrawable, widthDst, pdstBase) - - while (nBox--) - { - w = pBox->x2 - pBox->x1; - h = pBox->y2 - pBox->y1; - - /* set up source */ - modulus (pBox->x1 - xrot, tileWidth, srcx); - modulus (pBox->y1 - yrot, tileHeight, srcy); - xoffSrc = srcx & INTER_PIM; - srcStart = srcx >> INTER_PGSH; - psrcStart = psrcBase + (srcy * widthSrc) * INTER_PLANES; - psrcLine = psrcStart + srcStart * INTER_PLANES; - - /* set up dest */ - xoffDst = pBox->x1 & INTER_PIM; - pdstLine = pdstBase + (pBox->y1 * widthDst) + - (pBox->x1 >> INTER_PGSH) * INTER_PLANES; - /* set up masks */ - if (xoffDst + w < INTER_PPG) - { - INTER_maskpartialbits(pBox->x1, w, startmask); - endmask = 0; - nlMiddle = 0; - } - else - { - INTER_maskbits (pBox->x1, w, startmask, endmask, nlMiddle) - } - if (xoffSrc == xoffDst) - { - while (h--) - { - psrc = psrcLine; - pdst = pdstLine; - srcRemaining = widthSrc - srcStart; - if (startmask) - { - INTER_MROP_MASK (psrc, pdst, startmask, pdst); - INTER_NEXT_GROUP(pdst); - IncSrcPtr - } - nlTemp = nlMiddle; - while (nlTemp) - { - nl = nlTemp; - if (nl > srcRemaining) - nl = srcRemaining; - - nlTemp -= nl; - srcRemaining -= nl; - - while (nl--) { - INTER_MROP_SOLID (psrc, pdst, pdst); - INTER_NEXT_GROUP(pdst); INTER_NEXT_GROUP(psrc); - } - - if (!srcRemaining) - { - srcRemaining = widthSrc; - psrc = psrcStart; - } - } - if (endmask) - { - INTER_MROP_MASK (psrc, pdst, endmask, pdst); - } - pdstLine += widthDst; - psrcLine += widthSrc * INTER_PLANES; - psrcStart += widthSrc * INTER_PLANES; - if (++srcy == tileHeight) - { - psrcStart = psrcBase; - psrcLine = psrcStart + srcStart * INTER_PLANES; - srcy = 0; - } - } - } - else - { - if (xoffSrc > xoffDst) - { - leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT; - rightShift = INTER_PGSZ - leftShift; - } - else - { - rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT; - leftShift = INTER_PGSZ - rightShift; - } - while (h--) - { - psrc = psrcLine; - pdst = pdstLine; - INTER_CLR(bits); - srcRemaining = widthSrc - srcStart; - if (xoffSrc > xoffDst) - { - INTER_COPY(psrc, bits); - IncSrcPtr - } - if (startmask) - { - INTER_SCRLEFT(leftShift, bits, bits1); - INTER_COPY(psrc, bits); - IncSrcPtr - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - INTER_MROP_MASK(bits1, pdst, startmask, pdst); - INTER_NEXT_GROUP(pdst); - } - nlTemp = nlMiddle; - while (nlTemp) - { - nl = nlTemp; - if (nl > srcRemaining) - nl = srcRemaining; - - nlTemp -= nl; - srcRemaining -= nl; - - while (nl--) { - INTER_SCRLEFT(leftShift, bits, bits1); - INTER_COPY(psrc, bits); INTER_NEXT_GROUP(psrc); - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - INTER_MROP_SOLID (bits1, pdst, pdst); - INTER_NEXT_GROUP(pdst); - } - - if (!srcRemaining) - { - srcRemaining = widthSrc; - psrc = psrcStart; - } - } - - if (endmask) - { - INTER_SCRLEFT(leftShift, bits, bits1); - if (endmask << rightShift) - { - INTER_COPY(psrc, bits); - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - } - INTER_MROP_MASK (bits1, pdst, endmask, pdst); - } - pdstLine += widthDst; - psrcLine += widthSrc * INTER_PLANES; - psrcStart += widthSrc * INTER_PLANES; - if (++srcy == tileHeight) - { - psrcStart = psrcBase; - psrcLine = psrcStart + srcStart * INTER_PLANES; - srcy = 0; - } - } - } - pBox++; - } -} - -void -INTER_MROP_NAME(iplFillSpanTile32s) (pDrawable, n, ppt, pwidth, tile, xrot, yrot, alu, planemask) - DrawablePtr pDrawable; - int n; - DDXPointPtr ppt; - int *pwidth; - PixmapPtr tile; - int xrot, yrot; - int alu; - unsigned long planemask; -{ - int tileWidth; /* width of tile */ - int tileHeight; /* height of the tile */ - int widthSrc; /* width in longwords of the source tile */ - - int widthDst; /* width in longwords of the dest pixmap */ - int w; /* width of current box */ - INTER_DECLAREG(startmask); - INTER_DECLAREG(endmask);/* masks for reggedy bits at either end of line */ - int nlMiddle; /* number of longwords between sides of boxes */ - - register int nl; /* loop version of nlMiddle */ - int srcy; /* current tile y position */ - int srcx; /* current tile x position */ - int srcRemaining; /* number of longwords remaining in source */ - int xoffDst, xoffSrc; - int srcStart; /* number of longwords source offset at left of box */ - int leftShift, rightShift; - - INTER_MROP_DECLARE_REG() - - INTER_DECLAREG(*pdstBase); /* pointer to start of dest */ - INTER_DECLAREG(*pdstLine); /* poitner to start of dest box */ - INTER_DECLAREG(*psrcBase); /* pointer to start of source */ - INTER_DECLAREG(*psrcLine); /* pointer to fetch point of source */ - INTER_DECLAREG(*psrcStart); /* pointer to start of source line */ - INTER_DECLAREG(*pdst); - INTER_DECLAREG(*psrc); - INTER_DECLAREGP(bits); - INTER_DECLAREGP(bits1); - register int nlTemp; - - INTER_MROP_INITIALIZE (alu, planemask) - - psrcBase = (unsigned short *)tile->devPrivate.ptr; - tileHeight = tile->drawable.height; - tileWidth = tile->drawable.width; - widthSrc = tile->devKind / (INTER_PGSZB * INTER_PLANES); - - iplGetGroupWidthAndPointer (pDrawable, widthDst, pdstBase) - - while (n--) - { - w = *pwidth++; - - /* set up source */ - modulus (ppt->x - xrot, tileWidth, srcx); - modulus (ppt->y - yrot, tileHeight, srcy); - xoffSrc = srcx & INTER_PIM; - srcStart = srcx >> INTER_PGSH; - psrcStart = psrcBase + (srcy * widthSrc) * INTER_PLANES; - psrcLine = psrcStart + srcStart * INTER_PLANES; - - /* set up dest */ - xoffDst = ppt->x & INTER_PIM; - pdstLine = pdstBase + (ppt->y * widthDst) + - (ppt->x >> INTER_PGSH) * INTER_PLANES; - /* set up masks */ - if (xoffDst + w < INTER_PPG) - { - INTER_maskpartialbits(ppt->x, w, startmask); - endmask = 0; - nlMiddle = 0; - } - else - { - INTER_maskbits (ppt->x, w, startmask, endmask, nlMiddle) - } - - if (xoffSrc == xoffDst) - { - psrc = psrcLine; - pdst = pdstLine; - srcRemaining = widthSrc - srcStart; - if (startmask) - { - INTER_MROP_MASK (psrc, pdst, startmask, pdst); - INTER_NEXT_GROUP(pdst); - IncSrcPtr - } - nlTemp = nlMiddle; - while (nlTemp) - { - nl = nlTemp; - if (nl > srcRemaining) - nl = srcRemaining; - - nlTemp -= nl; - srcRemaining -= nl; - - while (nl--) { - INTER_MROP_SOLID (psrc, pdst, pdst); - INTER_NEXT_GROUP(pdst); INTER_NEXT_GROUP(psrc); - } - - if (!srcRemaining) - { - srcRemaining = widthSrc; - psrc = psrcStart; - } - } - if (endmask) - { - INTER_MROP_MASK (psrc, pdst, endmask, pdst); - } - } - else - { - if (xoffSrc > xoffDst) - { - leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT; - rightShift = INTER_PGSZ - leftShift; - } - else - { - rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT; - leftShift = INTER_PGSZ - rightShift; - } - psrc = psrcLine; - pdst = pdstLine; - INTER_CLR(bits); - srcRemaining = widthSrc - srcStart; - if (xoffSrc > xoffDst) - { - INTER_COPY(psrc, bits); - IncSrcPtr - } - if (startmask) - { - INTER_SCRLEFT(leftShift, bits, bits1); - INTER_COPY(psrc, bits); - IncSrcPtr - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - INTER_MROP_MASK(bits1, pdst, startmask, pdst); - INTER_NEXT_GROUP(pdst); - } - nlTemp = nlMiddle; - while (nlTemp) - { - nl = nlTemp; - if (nl > srcRemaining) - nl = srcRemaining; - - nlTemp -= nl; - srcRemaining -= nl; - - while (nl--) { - INTER_SCRLEFT(leftShift, bits, bits1); - INTER_COPY(psrc, bits); INTER_NEXT_GROUP(psrc); - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - INTER_MROP_SOLID(bits1, pdst, pdst); - INTER_NEXT_GROUP(pdst); - } - - if (!srcRemaining) - { - srcRemaining = widthSrc; - psrc = psrcStart; - } - } - - if (endmask) - { - INTER_SCRLEFT(leftShift, bits, bits1); - if (endmask << rightShift) - { - INTER_COPY(psrc, bits); - INTER_MSKINSM(~0, 0, bits1, ~0, rightShift, bits, bits1); - } - INTER_MROP_MASK (bits1, pdst, endmask, pdst); - } - } - ppt++; - } -} |