ref: b76e8ecc732cb311ceee6fd6c807b7e784d3fe31
dir: /sys/src/ape/X11/cmd/X/cfb/cfbtileodd.c/
/*
* 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++;
}
}