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- /*
- * $XConsortium: cfbsolid.c,v 1.5 91/07/11 21:48:24 keith Exp $
- *
- * Copyright 1990 Massachusetts Institute of Technology
- *
- * 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, and that the name of M.I.T. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. M.I.T. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * 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"
-
- #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 = ((cfbPrivGCPtr) (pGC->devPrivates[cfbGCPrivateIndex].ptr));
-
- 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 PPW == 4
- if (w == 1)
- {
- register char *pdstb = ((char *) pdstRect) + pBox->x1;
- int incr = widthDst << 2;
-
- 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 PPW == 4
- }
- #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 = (cfbPrivGCPtr)pGC->devPrivates[cfbGCPrivateIndex].ptr;
- 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 PPW == 4
- if (w <= 4)
- {
- 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);
- }
-