diff options
Diffstat (limited to 'cfb/cfbsetsp.c')
| -rw-r--r-- | cfb/cfbsetsp.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/cfb/cfbsetsp.c b/cfb/cfbsetsp.c index 4a3d2fbfe..2096d4e34 100644 --- a/cfb/cfbsetsp.c +++ b/cfb/cfbsetsp.c @@ -45,6 +45,7 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ +/* $XFree86: xc/programs/Xserver/cfb/cfbsetsp.c,v 3.5 2001/12/14 19:59:24 dawes Exp $ */ #include "X.h" #include "Xmd.h" @@ -67,6 +68,7 @@ SOFTWARE. * boxes, we may not want to start grabbing bits at psrc but at some offset * further on.) */ +void cfbSetScanline(y, xOrigin, xStart, xEnd, psrc, alu, pdstBase, widthDst, planemask) int y; int xOrigin; /* where this scanline starts */ @@ -83,19 +85,46 @@ cfbSetScanline(y, xOrigin, xStart, xEnd, psrc, alu, pdstBase, widthDst, planemas register int tmpSrc; /* scratch buffer to collect bits in */ int dstBit; /* offset in bits from beginning of * word */ + int offSrc; + int nl; +#if PSZ == 24 + register char *psrcb, *pdstb; + register int xIndex; +#else register int nstart; /* number of bits from first partial */ register int nend; /* " " last partial word */ - int offSrc; - int startmask, endmask, nlMiddle, nl; + int startmask, endmask, nlMiddle; +#endif DeclareMergeRop() InitializeMergeRop(alu,planemask); +#if PSZ == 24 + pdst = pdstBase + (y * widthDst); + xIndex = xStart; + pdstb = (char *)pdst + (xStart * 3); + offSrc = xStart - xOrigin; + psrcb = (char *)psrc + (offSrc * 3); +#else pdst = pdstBase + (y * widthDst) + (xStart >> PWSH); psrc += (xStart - xOrigin) >> PWSH; offSrc = (xStart - xOrigin) & PIM; +#endif w = xEnd - xStart; dstBit = xStart & PIM; +#if PSZ == 24 + nl = w; + while (nl--){ + psrc = (unsigned int *)((unsigned long)psrcb & ~0x03); + getbits24(psrc, tmpSrc, offSrc); + pdst = (int *)((unsigned long)pdstb & ~0x03); + DoMergeRop24(tmpSrc, pdst, xIndex); + offSrc++; + psrcb += 3; + xIndex++; + pdstb += 3; + } +#else /* PSZ == 24 */ if (dstBit + w <= PPW) { maskpartialbits(dstBit, w, startmask); @@ -139,6 +168,7 @@ cfbSetScanline(y, xOrigin, xStart, xEnd, psrc, alu, pdstBase, widthDst, planemas getbits(psrc, offSrc, nend, tmpSrc); putbitsmropshort(tmpSrc, 0, nend, pdst); } +#endif /* PSZ == 24 */ } @@ -160,7 +190,7 @@ cfbSetSpans(pDrawable, pGC, pcharsrc, ppt, pwidth, nspans, fSorted) int fSorted; { unsigned int *psrc = (unsigned int *)pcharsrc; - unsigned long *pdstBase; /* start of dst bitmap */ + CfbBits *pdstBase; /* start of dst bitmap */ int widthDst; /* width of bitmap in words */ register BoxPtr pbox, pboxLast, pboxTest; register DDXPointPtr pptLast; |