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IABSD.fr/xenocara/xserver/cfb/cfbtileodd.c
matthieu
- xserver/cfb/cfbtileodd.c
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/* * 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. */ #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 "cfb.h" #include "cfbmskbits.h" #include "cfb8bit.h" #include "mergerop.h" #if PSZ == 24 #define LEFTSHIFT_AMT (3) #else /* PSZ != 24 */ #define LEFTSHIFT_AMT (5 - PWSH) #endif /* PSZ == 24*/ #define LastTileBits {\ tmp = bits; \ if (tileEndPart) \ bits = (*pSrc & tileEndMask) | BitRight (*pSrcLine, tileEndLeftShift); \ else \ bits = *pSrc; \ } #if PSZ == 24 #define ResetTileBits {\ pSrc = pSrcLine; \ nlwSrc = widthSrc;\ if (tileEndPart) { \ if (4 - xoff + tileEndPart <= 4) {\ bits = *pSrc++; \ nlwSrc--; \ } else \ bits = BitLeft(tmp, tileEndLeftShift) | \ BitRight(bits, tileEndRightShift); \ xoff = (xoff + xoffStep) & 3; \ leftShift = xoff << LEFTSHIFT_AMT; \ rightShift = PGSZ - leftShift; \ }\ } #else #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; \ }\ } #endif #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 */ CfbBits startmask; CfbBits 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; #if MROP == 0 && PSZ == 24 DeclareMergeRop24() #else MROP_DECLARE_REG() #endif CfbBits *pdstBase; /* pointer to start of dest */ CfbBits *pDstLine; /* poitner to start of dest box */ CfbBits *pSrcBase; /* pointer to start of source */ CfbBits *pSrcLine; /* pointer to start of source line */ register CfbBits *pDst; register CfbBits *pSrc; register CfbBits bits, tmp = 0; int xoffStart, xoff; int leftShiftStart, rightShiftStart, nlwSrcStart; CfbBits tileEndMask; int tileEndLeftShift, tileEndRightShift; int xoffStep; int tileEndPart; int needFirst; CfbBits narrow[2]; CfbBits narrowMask = 0; int narrowShift = 0; Bool narrowTile; #if MROP == 0 && PSZ == 24 InitializeMergeRop24 (alu, planemask) #else MROP_INITIALIZE (alu, planemask) #endif 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 = (CfbBits *)tile->devPrivate.ptr; cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) #if PSZ == 24 tileEndPart = (4 - tileWidth) & 3; tileEndMask = cfbendpartial[tileWidth & 3]; #else tileEndPart = tileWidth & PIM; tileEndMask = cfbendpartial[tileEndPart]; #endif /* PSZ == 24 */ tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; tileEndRightShift = PGSZ - tileEndLeftShift; #if PSZ == 24 xoffStep = 4 - tileEndPart; #else xoffStep = PPW - tileEndPart; #endif /* PSZ == 24 */ /* * 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); #if PSZ == 24 xoffDst = (4 - pBox->x1) & 3; if (w == 1 && (xoffDst == 0 || xoffDst == 1)) #else xoffDst = pBox->x1 & PIM; if (xoffDst + w < PPW) #endif { maskpartialbits(pBox->x1, w, startmask); endmask = 0; nlwMiddle = 0; } else { maskbits (pBox->x1, w, startmask, endmask, nlwMiddle) } #if PSZ == 24 pDstLine = pdstBase + (pBox->y1 * widthDst) + ((pBox->x1*3) >> 2); #else pDstLine = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH); #endif pSrcLine = pSrcBase + (srcy * widthSrc); #if PSZ == 24 xoffSrc = (4 - srcx) & 3; #else xoffSrc = srcx & PIM; #endif if (xoffSrc >= xoffDst) { xoffStart = xoffSrc - xoffDst; needFirst = 1; } else { #if PSZ == 24 xoffStart = 4 - (xoffDst - xoffSrc); #else xoffStart = PPW - (xoffDst - xoffSrc); #endif needFirst = 0; } leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; rightShiftStart = PGSZ - leftShiftStart; #if PSZ == 24 nlwSrcStart = widthSrc - ((srcx*3) >> 2); #else nlwSrcStart = widthSrc - (srcx >> PWSH); #endif while (h--) { /* XXX only works when narrowShift >= PPW/2 */ if (narrowTile) { tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */ narrow[0] = tmp | SCRRIGHT (tmp, narrowShift); #if PSZ == 24 narrow[1] = BitLeft (tmp, 8) | BitRight(tmp, 16); #else narrow[1] = SCRLEFT (tmp, PPW - narrowShift) | SCRRIGHT(tmp, 2 * narrowShift - PPW); #endif pSrcLine = narrow; } xoff = xoffStart; leftShift = leftShiftStart; rightShift = rightShiftStart; nlwSrc = nlwSrcStart; #if PSZ == 24 pSrc = pSrcLine + ((srcx * 3) >> 2); #else pSrc = pSrcLine + (srcx >> PWSH); #endif 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) { int 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 */ CfbBits startmask; CfbBits 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; #if MROP == 0 && PSZ == 24 DeclareMergeRop24() #else MROP_DECLARE_REG() #endif CfbBits *pdstBase; /* pointer to start of dest */ CfbBits *pDstLine; /* poitner to start of dest box */ CfbBits *pSrcBase; /* pointer to start of source */ CfbBits *pSrcLine; /* pointer to start of source line */ register CfbBits *pDst; register CfbBits *pSrc; register CfbBits bits, tmp = 0; int xoffStart, xoff; int leftShiftStart, rightShiftStart, nlwSrcStart; CfbBits tileEndMask; int tileEndLeftShift, tileEndRightShift; int xoffStep; int tileEndPart; int needFirst; CfbBits narrow[2]; CfbBits narrowMask = 0; int narrowShift = 0; Bool narrowTile; #if MROP == 0 && PSZ == 24 InitializeMergeRop24 (alu, planemask) #else MROP_INITIALIZE (alu, planemask) #endif 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 = (CfbBits *)tile->devPrivate.ptr; cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) #if PSZ == 24 tileEndPart = (4 - tileWidth) & 3; tileEndMask = cfbendpartial[tileWidth & 3]; #else tileEndPart = tileWidth & PIM; tileEndMask = cfbendpartial[tileEndPart]; #endif tileEndLeftShift = (tileEndPart) << LEFTSHIFT_AMT; tileEndRightShift = PGSZ - tileEndLeftShift; #if PSZ == 24 xoffStep = 4 - tileEndPart; #else xoffStep = PPW - tileEndPart; #endif while (n--) { w = *pwidth++; modulus (ppt->x - xrot, tileWidth, srcx); modulus (ppt->y - yrot, tileHeight, srcy); #if PSZ == 24 xoffDst = (4 - ppt->x) & 3; if (w == 1 && (xoffDst == 0 || xoffDst == 1)) #else xoffDst = ppt->x & PIM; if (xoffDst + w < PPW) #endif { maskpartialbits(ppt->x, w, startmask); endmask = 0; nlw = 0; } else { maskbits (ppt->x, w, startmask, endmask, nlw) } #if PSZ == 24 pDstLine = pdstBase + (ppt->y * widthDst) + ((ppt->x *3)>> 2); #else pDstLine = pdstBase + (ppt->y * widthDst) + (ppt->x >> PWSH); #endif pSrcLine = pSrcBase + (srcy * widthSrc); #if PSZ == 24 xoffSrc = (4 - srcx) & 3; #else xoffSrc = srcx & PIM; #endif if (xoffSrc >= xoffDst) { xoffStart = xoffSrc - xoffDst; needFirst = 1; } else { #if PSZ == 24 xoffStart = 4 - (xoffDst - xoffSrc); #else xoffStart = PPW - (xoffDst - xoffSrc); #endif needFirst = 0; } leftShiftStart = (xoffStart) << LEFTSHIFT_AMT; rightShiftStart = PGSZ - leftShiftStart; #if PSZ == 24 nlwSrcStart = widthSrc - ((srcx*3) >> 2); #else nlwSrcStart = widthSrc - (srcx >> PWSH); #endif /* XXX only works when narrowShift >= PPW/2 */ if (narrowTile) { tmp = pSrcBase[srcy] & narrowMask; /* source width == 1 */ narrow[0] = tmp | SCRRIGHT (tmp, narrowShift); #if PSZ == 24 narrow[1] = BitLeft (tmp, 8) | BitRight(tmp, 16); #else narrow[1] = SCRLEFT (tmp, PPW - narrowShift) | SCRRIGHT(tmp, 2 * narrowShift - PPW); #endif pSrcLine = narrow; } xoff = xoffStart; leftShift = leftShiftStart; rightShift = rightShiftStart; nlwSrc = nlwSrcStart; #if PSZ == 24 pSrc = pSrcLine + ((srcx * 3) >> 2); #else pSrc = pSrcLine + (srcx >> PWSH); #endif 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) { int 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 */ CfbBits startmask; CfbBits 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; #if MROP == 0 && PSZ == 24 DeclareMergeRop24() #else MROP_DECLARE_REG() #endif CfbBits *pdstBase; /* pointer to start of dest */ CfbBits *pdstLine; /* poitner to start of dest box */ CfbBits *psrcBase; /* pointer to start of source */ CfbBits *psrcLine; /* pointer to fetch point of source */ CfbBits *psrcStart; /* pointer to start of source line */ register CfbBits *pdst; register CfbBits *psrc; register CfbBits bits, bits1; register int nlTemp; #if MROP == 0 && PSZ == 24 InitializeMergeRop24 (alu, planemask) #else MROP_INITIALIZE (alu, planemask) #endif psrcBase = (CfbBits *)tile->devPrivate.ptr; tileHeight = tile->drawable.height; tileWidth = tile->drawable.width; #if PSZ == 24 widthSrc = tile->devKind / PGSZB; #else widthSrc = tileWidth >> PWSH; #endif 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); #if PSZ == 24 xoffSrc = (4 - srcx) & 3; srcStart = (srcx * 3) >> 2; #else xoffSrc = srcx & PIM; srcStart = (srcx >> PWSH); #endif psrcStart = psrcBase + (srcy * widthSrc); psrcLine = psrcStart + srcStart; /* set up dest */ #if PSZ == 24 xoffDst = (4 - pBox->x1) & 3; pdstLine = pdstBase + (pBox->y1 * widthDst) + ((pBox->x1*3) >> 2); #else xoffDst = pBox->x1 & PIM; pdstLine = pdstBase + (pBox->y1 * widthDst) + (pBox->x1 >> PWSH); #endif /* set up masks */ #if PSZ == 24 if (w == 1 && (xoffDst == 0 || xoffDst == 1)) #else if (xoffDst + w < PPW) #endif { 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 */ CfbBits startmask; CfbBits 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; #if MROP == 0 && PSZ == 24 DeclareMergeRop24() #else MROP_DECLARE_REG() #endif CfbBits *pdstBase; /* pointer to start of dest */ CfbBits *pdstLine; /* poitner to start of dest box */ CfbBits *psrcBase; /* pointer to start of source */ CfbBits *psrcLine; /* pointer to fetch point of source */ CfbBits *psrcStart; /* pointer to start of source line */ register CfbBits *pdst; register CfbBits *psrc; register CfbBits bits, bits1; register int nlTemp; #if MROP == 0 && PSZ == 24 InitializeMergeRop24 (alu, planemask) #else MROP_INITIALIZE (alu, planemask) #endif psrcBase = (CfbBits *)tile->devPrivate.ptr; tileHeight = tile->drawable.height; tileWidth = tile->drawable.width; #if PSZ == 24 widthSrc = tile->devKind / PGSZB; #else widthSrc = tileWidth >> PWSH; #endif cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) while (n--) { w = *pwidth++; /* set up source */ modulus (ppt->x - xrot, tileWidth, srcx); modulus (ppt->y - yrot, tileHeight, srcy); #if PSZ == 24 xoffSrc = (4 - srcx) & 3; srcStart = (srcx * 3) >> 2; #else xoffSrc = srcx & PIM; srcStart = (srcx >> PWSH); #endif psrcStart = psrcBase + (srcy * widthSrc); psrcLine = psrcStart + srcStart; /* set up dest */ #if PSZ == 24 xoffDst = (4 - ppt->x) & 3; pdstLine = pdstBase + (ppt->y * widthDst) + ((ppt->x *3) >> 2); /* set up masks */ if (w == 1 && (xoffDst == 0 || xoffDst == 1)) #else xoffDst = ppt->x & PIM; pdstLine = pdstBase + (ppt->y * widthDst) + (ppt->x >> PWSH); /* set up masks */ if (xoffDst + w < PPW) #endif { 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++; } }