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Diffstat (limited to 'cfb/cfbsolid.c')
| -rw-r--r-- | cfb/cfbsolid.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/cfb/cfbsolid.c b/cfb/cfbsolid.c new file mode 100644 index 000000000..ead63a757 --- /dev/null +++ b/cfb/cfbsolid.c @@ -0,0 +1,296 @@ +/* + * $Xorg: cfbsolid.c,v 1.4 2001/02/09 02:04:38 xorgcvs Exp $ + * +Copyright 1990, 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. + * + * Author: Keith Packard, MIT X Consortium + */ + + +#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 "cfbrrop.h" + +#include "mi.h" +#include "mispans.h" + +#if defined(FAST_CONSTANT_OFFSET_MODE) && (RROP != GXcopy) +# define Expand(left,right,leftAdjust) {\ + int part = nmiddle & 3; \ + int widthStep; \ + widthStep = widthDst - nmiddle - leftAdjust; \ + nmiddle >>= 2; \ + pdst = pdstRect; \ + while (h--) { \ + left \ + pdst += part; \ + switch (part) { \ + RROP_UNROLL_CASE3(pdst) \ + } \ + m = nmiddle; \ + while (m) { \ + pdst += 4; \ + RROP_UNROLL_LOOP4(pdst,-4) \ + m--; \ + } \ + right \ + pdst += widthStep; \ + } \ +} +#else +# ifdef RROP_UNROLL +# define Expand(left,right,leftAdjust) {\ + int part = nmiddle & RROP_UNROLL_MASK; \ + int widthStep; \ + widthStep = widthDst - nmiddle - leftAdjust; \ + nmiddle >>= RROP_UNROLL_SHIFT; \ + pdst = pdstRect; \ + while (h--) { \ + left \ + pdst += part; \ + switch (part) { \ + RROP_UNROLL_CASE(pdst) \ + } \ + m = nmiddle; \ + while (m) { \ + pdst += RROP_UNROLL; \ + RROP_UNROLL_LOOP(pdst) \ + m--; \ + } \ + right \ + pdst += widthStep; \ + } \ +} + +# else +# define Expand(left, right, leftAdjust) { \ + while (h--) { \ + pdst = pdstRect; \ + left \ + m = nmiddle; \ + while (m--) {\ + RROP_SOLID(pdst); \ + pdst++; \ + } \ + right \ + pdstRect += widthDst; \ + } \ +} +# endif +#endif + + +void +RROP_NAME(cfbFillRectSolid) (pDrawable, pGC, nBox, pBox) + DrawablePtr pDrawable; + GCPtr pGC; + int nBox; + BoxPtr pBox; +{ + register int m; + register unsigned long *pdst; + RROP_DECLARE + register unsigned long leftMask, rightMask; + unsigned long *pdstBase, *pdstRect; + int nmiddle; + int h; + int w; + int widthDst; + cfbPrivGCPtr devPriv; + + devPriv = cfbGetGCPrivate(pGC); + + cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) + + RROP_FETCH_GC(pGC) + + for (; nBox; nBox--, pBox++) + { + pdstRect = pdstBase + pBox->y1 * widthDst; + h = pBox->y2 - pBox->y1; + w = pBox->x2 - pBox->x1; +#if PSZ == 8 + if (w == 1) + { + register char *pdstb = ((char *) pdstRect) + pBox->x1; + int incr = widthDst * PGSZB; + + while (h--) + { + RROP_SOLID (pdstb); + pdstb += incr; + } + } + else + { +#endif + pdstRect += (pBox->x1 >> PWSH); + if ((pBox->x1 & PIM) + w <= PPW) + { + maskpartialbits(pBox->x1, w, leftMask); + pdst = pdstRect; + while (h--) { + RROP_SOLID_MASK (pdst, leftMask); + pdst += widthDst; + } + } + else + { + maskbits (pBox->x1, w, leftMask, rightMask, nmiddle); + if (leftMask) + { + if (rightMask) /* left mask and right mask */ + { + Expand(RROP_SOLID_MASK (pdst, leftMask); pdst++;, + RROP_SOLID_MASK (pdst, rightMask);, 1) + } + else /* left mask and no right mask */ + { + Expand(RROP_SOLID_MASK (pdst, leftMask); pdst++;, + ;, 1) + } + } + else + { + if (rightMask) /* no left mask and right mask */ + { + Expand(;, + RROP_SOLID_MASK (pdst, rightMask);, 0) + } + else /* no left mask and no right mask */ + { + Expand(;, + ;, 0) + } + } + } +#if PSZ == 8 + } +#endif + } +} + +void +RROP_NAME(cfbSolidSpans) (pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted) + DrawablePtr pDrawable; + GCPtr pGC; + int nInit; /* number of spans to fill */ + DDXPointPtr pptInit; /* pointer to list of start points */ + int *pwidthInit; /* pointer to list of n widths */ + int fSorted; +{ + unsigned long *pdstBase; + int widthDst; + + RROP_DECLARE + + register unsigned long *pdst; + register int nlmiddle; + register unsigned long startmask, endmask; + register int w; + int x; + + /* next three parameters are post-clip */ + int n; /* number of spans to fill */ + DDXPointPtr ppt; /* pointer to list of start points */ + int *pwidthFree;/* copies of the pointers to free */ + DDXPointPtr pptFree; + int *pwidth; + cfbPrivGCPtr devPriv; + + devPriv = cfbGetGCPrivate(pGC); + RROP_FETCH_GCPRIV(devPriv) + n = nInit * miFindMaxBand(devPriv->pCompositeClip); + pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int)); + pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec)); + if(!pptFree || !pwidthFree) + { + if (pptFree) DEALLOCATE_LOCAL(pptFree); + if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree); + return; + } + pwidth = pwidthFree; + ppt = pptFree; + n = miClipSpans(devPriv->pCompositeClip, + pptInit, pwidthInit, nInit, + ppt, pwidth, fSorted); + + cfbGetLongWidthAndPointer (pDrawable, widthDst, pdstBase) + + while (n--) + { + x = ppt->x; + pdst = pdstBase + (ppt->y * widthDst); + ++ppt; + w = *pwidth++; + if (!w) + continue; +#if PSZ == 8 + if (w <= PGSZB) + { + register char *addrb; + + addrb = ((char *) pdst) + x; + while (w--) + { + RROP_SOLID (addrb); + addrb++; + } + } +#else + if ((x & PIM) + w <= PPW) + { + pdst += x >> PWSH; + maskpartialbits (x, w, startmask); + RROP_SOLID_MASK (pdst, startmask); + } +#endif + else + { + pdst += x >> PWSH; + maskbits (x, w, startmask, endmask, nlmiddle); + if (startmask) + { + RROP_SOLID_MASK (pdst, startmask); + ++pdst; + } + + RROP_SPAN(pdst,nlmiddle) + if (endmask) + { + RROP_SOLID_MASK (pdst, endmask); + } + } + } + DEALLOCATE_LOCAL(pptFree); + DEALLOCATE_LOCAL(pwidthFree); +} |