diff options
author | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 15:54:54 +0000 |
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committer | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 15:54:54 +0000 |
commit | ded6147bfb5d75ff1e67c858040a628b61bc17d1 (patch) | |
tree | 82355105e93cdac89ef7d987424351c77545faf0 /cfb/cfbtileodd.c | |
parent | cb6ef07bf01e72d1a6e6e83ceb7f76d6534da941 (diff) |
R6.6 is the Xorg base-lineXORG-MAIN
Diffstat (limited to 'cfb/cfbtileodd.c')
-rw-r--r-- | cfb/cfbtileodd.c | 1080 |
1 files changed, 1080 insertions, 0 deletions
diff --git a/cfb/cfbtileodd.c b/cfb/cfbtileodd.c new file mode 100644 index 000000000..2307f6b55 --- /dev/null +++ b/cfb/cfbtileodd.c @@ -0,0 +1,1080 @@ +/* + * Fill odd tiled rectangles and spans. + * no depth dependencies. + */ + +/* + +Copyright 1989, 1998 The Open Group + +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. + +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 +OPEN GROUP 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 Open Group 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 Open Group. +*/ + +/* $Xorg: cfbtileodd.c,v 1.4 2001/02/09 02:04:39 xorgcvs Exp $ */ + +#include "X.h" +#include "Xmd.h" +#include "servermd.h" +#include "gcstruct.h" +#include "window.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "windowstr.h" + +#include "cfb.h" +#include "cfbmskbits.h" +#include "cfb8bit.h" + +#include "mergerop.h" + +#if PGSZ == 32 +#define LEFTSHIFT_AMT (5 - PWSH) +#else /* PGSZ == 64 */ +#define LEFTSHIFT_AMT (6 - PWSH) +#endif /* PGSZ */ + +#define LastTileBits {\ + tmp = bits; \ + if (tileEndPart) \ + bits = (*pSrc & tileEndMask) | BitRight (*pSrcLine, tileEndLeftShift); \ + else \ + bits = *pSrc; \ +} + +#define ResetTileBits {\ + pSrc = pSrcLine; \ + nlwSrc = widthSrc;\ + if (tileEndPart) { \ + if (PPW - xoff + tileEndPart <= PPW) {\ + bits = *pSrc++; \ + nlwSrc--; \ + } else \ + bits = BitLeft(tmp, tileEndLeftShift) | \ + BitRight(bits, tileEndRightShift); \ + xoff = (xoff + xoffStep) & PIM; \ + leftShift = xoff << LEFTSHIFT_AMT; \ + rightShift = PGSZ - leftShift; \ + }\ +} + +#define NextTileBits {\ + if (nlwSrc == 1) {\ + LastTileBits\ + } else { \ + if (nlwSrc == 0) {\ + ResetTileBits\ + } \ + if (nlwSrc == 1) {\ + LastTileBits\ + } else {\ + tmp = bits; \ + bits = *pSrc++; \ + }\ + }\ + nlwSrc--; \ +} + +void +MROP_NAME(cfbFillBoxTileOdd) (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 */ + unsigned long startmask; + unsigned long 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; + + MROP_DECLARE_REG() + + unsigned long *pDstBase; /* pointer to start of dest */ + unsigned long *pDstLine; /* poitner to start of dest box */ + unsigned long *pSrcBase; /* pointer to start of source */ + unsigned long *pSrcLine; /* pointer to start of source line */ + register unsigned long *pDst; + register unsigned long *pSrc; + register unsigned long bits, tmp; + register int nlwPart; + int xoffStart, xoff; + int leftShiftStart, rightShiftStart, nlwSrcStart; + unsigned long tileEndMask; + int tileEndLeftShift, tileEndRightShift; + int xoffStep; + int tileEndPart; + int needFirst; + unsigned long narrow[2]; + unsigned long narrowMask; + int narrowShift; + Bool narrowTile; + + MROP_INITIALIZE (alu, planemask) + + tileHeight = tile->drawable.height; + tileWidth = tile->drawable.width; + widthSrc = tile->devKind / PGSZB; + narrowTile = FALSE; + if (widthSrc == 1) + { + narrowShift = tileWidth; + narrowMask = cfbendpartial [tileWidth]; + tileWidth *= 2; + widthSrc = 2; + narrowTile = TRUE; + } + pSrcBase = (unsigned long *)tile->devPrivate.ptr; + + cfbGetLongWidthAndPointer (pDrawable, widthDst, pDstBase) + + tileEndPart = tileWidth & PIM; + tileEndMask = cfbendpartial[tileEndPart]; + tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; + tileEndRightShift = PGSZ - tileEndLeftShift; + xoffStep = PPW - 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 & PIM; + if (xoffDst + w < PPW) + { + maskpartialbits(pBox->x1, w, startmask); + endmask = 0; + nlwMiddle = 0; + } + else + { + maskbits (pBox->x1, w, startmask, endmask, nlwMiddle) + } + pDstLine = pDstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH); + pSrcLine = pSrcBase + (srcy * widthSrc); + xoffSrc = srcx & PIM; + if (xoffSrc >= xoffDst) + { + xoffStart = xoffSrc - xoffDst; + needFirst = 1; + } + else + { + xoffStart = PPW - (xoffDst - xoffSrc); + needFirst = 0; + } + leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; + rightShiftStart = PGSZ - leftShiftStart; + nlwSrcStart = widthSrc - (srcx >> PWSH); + while (h--) + { + /* XXX only works when narrowShift >= PPW/2 */ + if (narrowTile) + { + tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */ + narrow[0] = tmp | SCRRIGHT (tmp, narrowShift); + narrow[1] = SCRLEFT (tmp, PPW - narrowShift) | + SCRRIGHT(tmp, 2 * narrowShift - PPW); + pSrcLine = narrow; + } + xoff = xoffStart; + leftShift = leftShiftStart; + rightShift = rightShiftStart; + nlwSrc = nlwSrcStart; + pSrc = pSrcLine + (srcx >> PWSH); + pDst = pDstLine; + bits = 0; + if (needFirst) + { + NextTileBits + } + if (startmask) + { + NextTileBits + tmp = BitLeft(tmp, leftShift); + if (rightShift != PGSZ) + tmp |= BitRight(bits,rightShift); + *pDst = MROP_MASK (tmp, *pDst, startmask); + ++pDst; + } + nlw = nlwMiddle; + while (nlw) + { +#if MROP == Mcopy + if (nlwSrc > 1) + { + nlwPart = nlw; + if (nlwPart >= nlwSrc) + nlwPart = nlwSrc - 1; + nlw -= nlwPart; + nlwSrc -= nlwPart; + if (rightShift != PGSZ) + { + while (nlwPart--) + { + tmp = bits; + bits = *pSrc++; + *pDst = MROP_SOLID(BitLeft(tmp, leftShift) | + BitRight (bits, rightShift), + *pDst); + ++pDst; + } + } + else + { + if (nlwPart) + { + *pDst = MROP_SOLID (bits, *pDst); + ++pDst; + nlwPart--; + while (nlwPart--) + { + *pDst = MROP_SOLID(*pSrc, *pDst); + ++pDst; ++pSrc; + } + bits = *pSrc++; + } + } + } + else +#endif + { + NextTileBits + if (rightShift != PGSZ) + { + *pDst = MROP_SOLID(BitLeft(tmp, leftShift) | + BitRight(bits, rightShift), + *pDst); + } + else + { + *pDst = MROP_SOLID (tmp, *pDst); + } + ++pDst; + nlw--; + } + } + if (endmask) + { + NextTileBits + if (rightShift == PGSZ) + bits = 0; + *pDst = MROP_MASK (BitLeft(tmp, leftShift) | + BitRight(bits,rightShift), + *pDst, endmask); + } + pDstLine += widthDst; + pSrcLine += widthSrc; + if (++srcy == tileHeight) + { + srcy = 0; + pSrcLine = pSrcBase; + } + } + pBox++; + } +} + +void +MROP_NAME(cfbFillSpanTileOdd) (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 */ + unsigned long startmask; + unsigned long 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; + + MROP_DECLARE_REG() + + unsigned long *pDstBase; /* pointer to start of dest */ + unsigned long *pDstLine; /* poitner to start of dest box */ + unsigned long *pSrcBase; /* pointer to start of source */ + unsigned long *pSrcLine; /* pointer to start of source line */ + register unsigned long *pDst; + register unsigned long *pSrc; + register unsigned long bits, tmp; + register int nlwPart; + int xoffStart, xoff; + int leftShiftStart, rightShiftStart, nlwSrcStart; + unsigned long tileEndMask; + int tileEndLeftShift, tileEndRightShift; + int xoffStep; + int tileEndPart; + int needFirst; + unsigned long narrow[2]; + unsigned long narrowMask; + int narrowShift; + Bool narrowTile; + + MROP_INITIALIZE (alu, planemask) + + tileHeight = tile->drawable.height; + tileWidth = tile->drawable.width; + widthSrc = tile->devKind / PGSZB; + narrowTile = FALSE; + if (widthSrc == 1) + { + narrowShift = tileWidth; + narrowMask = cfbendpartial [tileWidth]; + tileWidth *= 2; + widthSrc = 2; + narrowTile = TRUE; + } + pSrcBase = (unsigned long *)tile->devPrivate.ptr; + + cfbGetLongWidthAndPointer (pDrawable, widthDst, pDstBase) + + tileEndPart = tileWidth & PIM; + tileEndMask = cfbendpartial[tileEndPart]; + tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; + tileEndRightShift = PGSZ - tileEndLeftShift; + xoffStep = PPW - tileEndPart; + while (n--) + { + w = *pwidth++; + modulus (ppt->x - xrot, tileWidth, srcx); + modulus (ppt->y - yrot, tileHeight, srcy); + xoffDst = ppt->x & PIM; + if (xoffDst + w < PPW) + { + maskpartialbits(ppt->x, w, startmask); + endmask = 0; + nlw = 0; + } + else + { + maskbits (ppt->x, w, startmask, endmask, nlw) + } + pDstLine = pDstBase + (ppt->y * widthDst) + (ppt->x >> PWSH); + pSrcLine = pSrcBase + (srcy * widthSrc); + xoffSrc = srcx & PIM; + if (xoffSrc >= xoffDst) + { + xoffStart = xoffSrc - xoffDst; + needFirst = 1; + } + else + { + xoffStart = PPW - (xoffDst - xoffSrc); + needFirst = 0; + } + leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; + rightShiftStart = PGSZ - leftShiftStart; + nlwSrcStart = widthSrc - (srcx >> PWSH); + /* XXX only works when narrowShift >= PPW/2 */ + if (narrowTile) + { + tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */ + narrow[0] = tmp | SCRRIGHT (tmp, narrowShift); + narrow[1] = SCRLEFT (tmp, PPW - narrowShift) | + SCRRIGHT(tmp, 2 * narrowShift - PPW); + pSrcLine = narrow; + } + xoff = xoffStart; + leftShift = leftShiftStart; + rightShift = rightShiftStart; + nlwSrc = nlwSrcStart; + pSrc = pSrcLine + (srcx >> PWSH); + pDst = pDstLine; + bits = 0; + if (needFirst) + { + NextTileBits + } + if (startmask) + { + NextTileBits + tmp = BitLeft(tmp, leftShift); + if (rightShift != PGSZ) + tmp |= BitRight(bits,rightShift); + *pDst = MROP_MASK (tmp, *pDst, startmask); + ++pDst; + } + while (nlw) + { +#if MROP == Mcopy + if (nlwSrc > 1) + { + nlwPart = nlw; + if (nlwPart >= nlwSrc) + nlwPart = nlwSrc - 1; + nlw -= nlwPart; + nlwSrc -= nlwPart; + if (rightShift != PGSZ) + { + while (nlwPart--) + { + tmp = bits; + bits = *pSrc++; + *pDst = MROP_SOLID(BitLeft(tmp, leftShift) | + BitRight (bits, rightShift), + *pDst); + ++pDst; + } + } + else + { + if (nlwPart) + { + *pDst = MROP_SOLID (bits, *pDst); + ++pDst; + nlwPart--; + while (nlwPart--) + { + *pDst = MROP_SOLID(*pSrc, *pDst); + ++pDst; ++pSrc; + } + bits = *pSrc++; + } + } + } + else +#endif + { + NextTileBits + if (rightShift != PGSZ) + { + *pDst = MROP_SOLID(BitLeft(tmp, leftShift) | + BitRight(bits, rightShift), + *pDst); + ++pDst; + } + else + { + *pDst = MROP_SOLID (tmp, *pDst); + ++pDst; + } + nlw--; + } + } + if (endmask) + { + NextTileBits + if (rightShift == PGSZ) + bits = 0; + *pDst = MROP_MASK (BitLeft(tmp, leftShift) | + BitRight(bits,rightShift), + *pDst, endmask); + } + ppt++; + } +} + +# include "fastblt.h" + +#define IncSrcPtr psrc++; if (!--srcRemaining) { srcRemaining = widthSrc; psrc = psrcStart; } + +void +MROP_NAME(cfbFillBoxTile32s) (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 */ + unsigned long startmask; + unsigned long 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; + + MROP_DECLARE_REG() + + unsigned long *pdstBase; /* pointer to start of dest */ + unsigned long *pdstLine; /* poitner to start of dest box */ + unsigned long *psrcBase; /* pointer to start of source */ + unsigned long *psrcLine; /* pointer to fetch point of source */ + unsigned long *psrcStart; /* pointer to start of source line */ + register unsigned long *pdst; + register unsigned long *psrc; + register unsigned long bits, bits1; + register int nlTemp; + + MROP_INITIALIZE (alu, planemask) + + psrcBase = (unsigned long *)tile->devPrivate.ptr; + tileHeight = tile->drawable.height; + tileWidth = tile->drawable.width; + widthSrc = tileWidth >> PWSH; + + cfbGetLongWidthAndPointer (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 & PIM; + srcStart = (srcx >> PWSH); + psrcStart = psrcBase + (srcy * widthSrc); + psrcLine = psrcStart + srcStart; + + /* set up dest */ + xoffDst = pBox->x1 & PIM; + pdstLine = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH); + /* set up masks */ + if (xoffDst + w < PPW) + { + maskpartialbits(pBox->x1, w, startmask); + endmask = 0; + nlMiddle = 0; + } + else + { + maskbits (pBox->x1, w, startmask, endmask, nlMiddle) + } + if (xoffSrc == xoffDst) + { + while (h--) + { + psrc = psrcLine; + pdst = pdstLine; + srcRemaining = widthSrc - srcStart; + if (startmask) + { + *pdst = MROP_MASK (*psrc, *pdst, startmask); + pdst++; + IncSrcPtr + } + nlTemp = nlMiddle; + while (nlTemp) + { + nl = nlTemp; + if (nl > srcRemaining) + nl = srcRemaining; + + nlTemp -= nl; + srcRemaining -= nl; + +#if MROP == Mcopy +#ifdef LARGE_INSTRUCTION_CACHE +#ifdef FAST_CONSTANT_OFFSET_MODE + + psrc += nl & (UNROLL-1); + pdst += nl & (UNROLL-1); + +#define BodyOdd(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]); +#define BodyEven(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]); + +#define LoopReset \ +pdst += UNROLL; \ +psrc += UNROLL; + +#else + +#define BodyOdd(n) *pdst = MROP_SOLID (*psrc, *pdst); pdst++; psrc++; +#define BodyEven(n) BodyOdd(n) + +#define LoopReset ; + +#endif + PackedLoop + +#undef BodyOdd +#undef BodyEven +#undef LoopReset + +#else + DuffL(nl, label1, + *pdst = MROP_SOLID (*psrc, *pdst); + pdst++; psrc++;) +#endif +#else + while (nl--) { + *pdst = MROP_SOLID (*psrc, *pdst); + pdst++; psrc++; + } +#endif + if (!srcRemaining) + { + srcRemaining = widthSrc; + psrc = psrcStart; + } + } + if (endmask) + { + *pdst = MROP_MASK (*psrc, *pdst, endmask); + } + pdstLine += widthDst; + psrcLine += widthSrc; + psrcStart += widthSrc; + if (++srcy == tileHeight) + { + psrcStart = psrcBase; + psrcLine = psrcStart + srcStart; + srcy = 0; + } + } + } + else + { + if (xoffSrc > xoffDst) + { + leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT; + rightShift = PGSZ - leftShift; + } + else + { + rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT; + leftShift = PGSZ - rightShift; + } + while (h--) + { + psrc = psrcLine; + pdst = pdstLine; + bits = 0; + srcRemaining = widthSrc - srcStart; + if (xoffSrc > xoffDst) + { + bits = *psrc; + IncSrcPtr + } + if (startmask) + { + bits1 = BitLeft(bits,leftShift); + bits = *psrc; + IncSrcPtr + bits1 |= BitRight(bits,rightShift); + *pdst = MROP_MASK(bits1, *pdst, startmask); + pdst++; + } + nlTemp = nlMiddle; + while (nlTemp) + { + nl = nlTemp; + if (nl > srcRemaining) + nl = srcRemaining; + + nlTemp -= nl; + srcRemaining -= nl; + +#if MROP == Mcopy +#ifdef LARGE_INSTRUCTION_CACHE + bits1 = bits; + +#ifdef FAST_CONSTANT_OFFSET_MODE + + psrc += nl & (UNROLL-1); + pdst += nl & (UNROLL-1); + +#define BodyOdd(n) \ + bits = psrc[-n]; \ + pdst[-n] = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), pdst[-n]); + +#define BodyEven(n) \ + bits1 = psrc[-n]; \ + pdst[-n] = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), pdst[-n]); + +#define LoopReset \ + pdst += UNROLL; \ + psrc += UNROLL; + +#else + +#define BodyOdd(n) \ + bits = *psrc++; \ + *pdst = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), *pdst); \ + pdst++; + +#define BodyEven(n) \ + bits1 = *psrc++; \ + *pdst = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), *pdst); \ + pdst++; + +#define LoopReset ; + +#endif /* !FAST_CONSTANT_OFFSET_MODE */ + + PackedLoop + +#undef BodyOdd +#undef BodyEven +#undef LoopReset + +#else + DuffL (nl,label2, + bits1 = BitLeft(bits, leftShift); + bits = *psrc++; + *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst); + pdst++; + ) +#endif +#else + while (nl--) { + bits1 = BitLeft(bits, leftShift); + bits = *psrc++; + *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst); + pdst++; + } +#endif + if (!srcRemaining) + { + srcRemaining = widthSrc; + psrc = psrcStart; + } + } + + if (endmask) + { + bits1 = BitLeft(bits, leftShift); + if (BitLeft(endmask, rightShift)) + { + bits = *psrc; + bits1 |= BitRight(bits, rightShift); + } + *pdst = MROP_MASK (bits1, *pdst, endmask); + } + pdstLine += widthDst; + psrcLine += widthSrc; + psrcStart += widthSrc; + if (++srcy == tileHeight) + { + psrcStart = psrcBase; + psrcLine = psrcStart + srcStart; + srcy = 0; + } + } + } + pBox++; + } +} + +void +MROP_NAME(cfbFillSpanTile32s) (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 */ + unsigned long startmask; + unsigned long 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; + + MROP_DECLARE_REG() + + unsigned long *pdstBase; /* pointer to start of dest */ + unsigned long *pdstLine; /* poitner to start of dest box */ + unsigned long *psrcBase; /* pointer to start of source */ + unsigned long *psrcLine; /* pointer to fetch point of source */ + unsigned long *psrcStart; /* pointer to start of source line */ + register unsigned long *pdst; + register unsigned long *psrc; + register unsigned long bits, bits1; + register int nlTemp; + + MROP_INITIALIZE (alu, planemask) + + psrcBase = (unsigned long *)tile->devPrivate.ptr; + tileHeight = tile->drawable.height; + tileWidth = tile->drawable.width; + widthSrc = tileWidth >> PWSH; + + cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) + + while (n--) + { + w = *pwidth++; + + /* set up source */ + modulus (ppt->x - xrot, tileWidth, srcx); + modulus (ppt->y - yrot, tileHeight, srcy); + xoffSrc = srcx & PIM; + srcStart = (srcx >> PWSH); + psrcStart = psrcBase + (srcy * widthSrc); + psrcLine = psrcStart + srcStart; + + /* set up dest */ + xoffDst = ppt->x & PIM; + pdstLine = pdstBase + (ppt->y * widthDst) + (ppt->x >> PWSH); + /* set up masks */ + if (xoffDst + w < PPW) + { + maskpartialbits(ppt->x, w, startmask); + endmask = 0; + nlMiddle = 0; + } + else + { + maskbits (ppt->x, w, startmask, endmask, nlMiddle) + } + + if (xoffSrc == xoffDst) + { + psrc = psrcLine; + pdst = pdstLine; + srcRemaining = widthSrc - srcStart; + if (startmask) + { + *pdst = MROP_MASK (*psrc, *pdst, startmask); + pdst++; + IncSrcPtr + } + nlTemp = nlMiddle; + while (nlTemp) + { + nl = nlTemp; + if (nl > srcRemaining) + nl = srcRemaining; + + nlTemp -= nl; + srcRemaining -= nl; + +#if MROP == Mcopy +#ifdef LARGE_INSTRUCTION_CACHE +#ifdef FAST_CONSTANT_OFFSET_MODE + + psrc += nl & (UNROLL-1); + pdst += nl & (UNROLL-1); + +#define BodyOdd(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]); +#define BodyEven(n) pdst[-n] = MROP_SOLID (psrc[-n], pdst[-n]); + +#define LoopReset \ +pdst += UNROLL; \ +psrc += UNROLL; + +#else + +#define BodyOdd(n) *pdst = MROP_SOLID (*psrc, *pdst); pdst++; psrc++; +#define BodyEven(n) BodyOdd(n) + +#define LoopReset ; + +#endif + PackedLoop + +#undef BodyOdd +#undef BodyEven +#undef LoopReset + +#else + DuffL(nl, label1, + *pdst = MROP_SOLID (*psrc, *pdst); + pdst++; psrc++;) +#endif +#else + while (nl--) { + *pdst = MROP_SOLID (*psrc, *pdst); + pdst++; psrc++; + } +#endif + if (!srcRemaining) + { + srcRemaining = widthSrc; + psrc = psrcStart; + } + } + if (endmask) + { + *pdst = MROP_MASK (*psrc, *pdst, endmask); + } + } + else + { + if (xoffSrc > xoffDst) + { + leftShift = (xoffSrc - xoffDst) << LEFTSHIFT_AMT; + rightShift = PGSZ - leftShift; + } + else + { + rightShift = (xoffDst - xoffSrc) << LEFTSHIFT_AMT; + leftShift = PGSZ - rightShift; + } + psrc = psrcLine; + pdst = pdstLine; + bits = 0; + srcRemaining = widthSrc - srcStart; + if (xoffSrc > xoffDst) + { + bits = *psrc; + IncSrcPtr + } + if (startmask) + { + bits1 = BitLeft(bits,leftShift); + bits = *psrc; + IncSrcPtr + bits1 |= BitRight(bits,rightShift); + *pdst = MROP_MASK(bits1, *pdst, startmask); + pdst++; + } + nlTemp = nlMiddle; + while (nlTemp) + { + nl = nlTemp; + if (nl > srcRemaining) + nl = srcRemaining; + + nlTemp -= nl; + srcRemaining -= nl; + +#if MROP == Mcopy +#ifdef LARGE_INSTRUCTION_CACHE + bits1 = bits; + +#ifdef FAST_CONSTANT_OFFSET_MODE + + psrc += nl & (UNROLL-1); + pdst += nl & (UNROLL-1); + +#define BodyOdd(n) \ +bits = psrc[-n]; \ +pdst[-n] = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), pdst[-n]); + +#define BodyEven(n) \ +bits1 = psrc[-n]; \ +pdst[-n] = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), pdst[-n]); + +#define LoopReset \ +pdst += UNROLL; \ +psrc += UNROLL; + +#else + +#define BodyOdd(n) \ +bits = *psrc++; \ +*pdst = MROP_SOLID(BitLeft(bits1, leftShift) | BitRight(bits, rightShift), *pdst); \ +pdst++; + +#define BodyEven(n) \ +bits1 = *psrc++; \ +*pdst = MROP_SOLID(BitLeft(bits, leftShift) | BitRight(bits1, rightShift), *pdst); \ +pdst++; + +#define LoopReset ; + +#endif /* !FAST_CONSTANT_OFFSET_MODE */ + + PackedLoop + +#undef BodyOdd +#undef BodyEven +#undef LoopReset + +#else + DuffL (nl,label2, + bits1 = BitLeft(bits, leftShift); + bits = *psrc++; + *pdst = MROP_SOLID (bits1 | BitRight(bits, rightShift), *pdst); + pdst++; + ) +#endif +#else + while (nl--) { + bits1 = BitLeft(bits,leftShift); + bits = *psrc++; + *pdst = MROP_SOLID(bits1|BitRight(bits,rightShift), *pdst); + pdst++; + } +#endif + if (!srcRemaining) + { + srcRemaining = widthSrc; + psrc = psrcStart; + } + } + + if (endmask) + { + bits1 = BitLeft(bits, leftShift); + if (BitLeft(endmask, rightShift)) + { + bits = *psrc; + bits1 |= BitRight(bits, rightShift); + } + *pdst = MROP_MASK (bits1, *pdst, endmask); + } + } + ppt++; + } +} |