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- /*
- * Fill 32 bit tiled rectangles. Used by both PolyFillRect and PaintWindow.
- * no depth dependencies.
- */
-
- /*
- Copyright 1989 by the Massachusetts Institute of Technology
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- 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.
- */
-
- /* $XConsortium: cfbtile32.c,v 1.5 91/07/14 13:49:46 keith Exp $ */
-
- #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 "cfb8bit.h"
-
- #include "mergerop.h"
-
- #ifdef sparc
- #define SHARED_IDCACHE
- #endif
-
- #define STORE(p) (*(p) = MROP_PREBUILT_SOLID(srcpix,*(p)))
-
- #if (MROP == Mcopy) && defined(FAST_CONSTANT_OFFSET_MODE) && defined(SHARED_IDCACHE)
- # define Expand(left,right) {\
- int part = nlwMiddle & 7; \
- nlwMiddle >>= 3; \
- while (h--) { \
- srcpix = psrc[srcy]; \
- MROP_PREBUILD(srcpix); \
- ++srcy; \
- if (srcy == tileHeight) \
- srcy = 0; \
- left \
- p += part; \
- switch (part) { \
- case 7: \
- STORE(p - 7); \
- case 6: \
- STORE(p - 6); \
- case 5: \
- STORE(p - 5); \
- case 4: \
- STORE(p - 4); \
- case 3: \
- STORE(p - 3); \
- case 2: \
- STORE(p - 2); \
- case 1: \
- STORE(p - 1); \
- } \
- nlw = nlwMiddle; \
- while (nlw) { \
- STORE (p + 0); \
- STORE (p + 1); \
- STORE (p + 2); \
- STORE (p + 3); \
- STORE (p + 4); \
- STORE (p + 5); \
- STORE (p + 6); \
- STORE (p + 7); \
- p += 8; \
- nlw--; \
- } \
- right \
- p += nlwExtra; \
- } \
- }
- #else
- #define Expand(left,right) {\
- while (h--) { \
- srcpix = psrc[srcy]; \
- MROP_PREBUILD(srcpix); \
- ++srcy; \
- if (srcy == tileHeight) \
- srcy = 0; \
- left \
- nlw = nlwMiddle; \
- while (nlw--) \
- { \
- STORE(p); \
- p++; \
- } \
- right \
- p += nlwExtra; \
- } \
- }
- #endif
-
- void
- MROP_NAME(cfbFillRectTile32) (pDrawable, pGC, nBox, pBox)
- DrawablePtr pDrawable;
- GCPtr pGC;
- int nBox; /* number of boxes to fill */
- BoxPtr pBox; /* pointer to list of boxes to fill */
- {
- register unsigned long srcpix;
- unsigned long *psrc; /* pointer to bits in tile, if needed */
- int tileHeight; /* height of the tile */
-
- int nlwDst; /* width in longwords of the dest pixmap */
- int w; /* width of current box */
- register int h; /* height of current box */
- register unsigned long startmask;
- register unsigned long endmask; /* masks for reggedy bits at either end of line */
- int nlwMiddle; /* number of longwords between sides of boxes */
- int nlwExtra; /* to get from right of box to left of next span */
- register int nlw; /* loop version of nlwMiddle */
- register unsigned long *p; /* pointer to bits we're writing */
- int y; /* current scan line */
- int srcy; /* current tile position */
-
- unsigned long *pbits;/* pointer to start of pixmap */
- PixmapPtr tile; /* rotated, expanded tile */
- MROP_DECLARE_REG()
- MROP_PREBUILT_DECLARE()
-
- tile = ((cfbPrivGCPtr) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->pRotatedPixmap;
- tileHeight = tile->drawable.height;
- psrc = (unsigned long *)tile->devPrivate.ptr;
-
- MROP_INITIALIZE(pGC->alu, pGC->planemask);
-
- cfbGetLongWidthAndPointer (pDrawable, nlwDst, pbits)
-
- while (nBox--)
- {
- w = pBox->x2 - pBox->x1;
- h = pBox->y2 - pBox->y1;
- y = pBox->y1;
- p = pbits + (y * nlwDst) + (pBox->x1 >> PWSH);
- srcy = y % tileHeight;
-
- if ( ((pBox->x1 & PIM) + w) <= PPW)
- {
- maskpartialbits(pBox->x1, w, startmask);
- nlwExtra = nlwDst;
- while (h--)
- {
- srcpix = psrc[srcy];
- MROP_PREBUILD(srcpix);
- ++srcy;
- if (srcy == tileHeight)
- srcy = 0;
- *p = MROP_PREBUILT_MASK (srcpix, *p, startmask);
- p += nlwExtra;
- }
- }
- else
- {
- maskbits(pBox->x1, w, startmask, endmask, nlwMiddle);
- nlwExtra = nlwDst - nlwMiddle;
-
- if (startmask)
- {
- nlwExtra -= 1;
- if (endmask)
- {
- Expand(*p = MROP_PREBUILT_MASK(srcpix, *p, startmask); p++;,
- *p = MROP_PREBUILT_MASK(srcpix, *p, endmask);)
- }
- else
- {
- Expand(*p = MROP_PREBUILT_MASK(srcpix, *p, startmask); p++;,
- ;)
- }
- }
- else
- {
- if (endmask)
- {
- Expand(;,
- *p = MROP_PREBUILT_MASK(srcpix, *p, endmask);)
- }
- else
- {
- Expand(;,
- ;)
- }
- }
- }
- pBox++;
- }
- }
-
- void
- MROP_NAME(cfbTile32FS)(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;
- {
- /* next three parameters are post-clip */
- int n; /* number of spans to fill */
- DDXPointPtr ppt; /* pointer to list of start points */
- int *pwidth;/* pointer to list of n widths */
- unsigned long *pbits; /* pointer to start of bitmap */
- int nlwDst; /* width in longwords of bitmap */
- register unsigned long *p; /* pointer to current longword in bitmap */
- register int w; /* current span width */
- register int nlw;
- register int x;
- register unsigned long startmask;
- register unsigned long endmask;
- register unsigned long srcpix;
- int y;
- int *pwidthFree;/* copies of the pointers to free */
- DDXPointPtr pptFree;
- PixmapPtr tile;
- unsigned long *psrc; /* pointer to bits in tile */
- int tileHeight;/* height of the tile */
- MROP_DECLARE_REG ()
- MROP_PREBUILT_DECLARE()
-
- n = nInit * miFindMaxBand(((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->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(((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip,
- pptInit, pwidthInit, nInit,
- ppt, pwidth, fSorted);
-
- tile = ((cfbPrivGCPtr) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->pRotatedPixmap;
- tileHeight = tile->drawable.height;
- psrc = (unsigned long *)tile->devPrivate.ptr;
-
- MROP_INITIALIZE(pGC->alu, pGC->planemask);
-
- cfbGetLongWidthAndPointer (pDrawable, nlwDst, pbits)
-
- #if MROP == Mcopy
- if (!(tileHeight & (tileHeight-1)))
- {
- tileHeight--;
- while (n--)
- {
- x = ppt->x;
- y = ppt->y;
- ++ppt;
- w = *pwidth++;
- p = pbits + (y * nlwDst) + (x >> PWSH);
- srcpix = psrc[y & tileHeight];
- MROP_PREBUILD(srcpix);
-
- if ((x & PIM) + w < PPW)
- {
- maskpartialbits(x, w, startmask);
- *p = MROP_PREBUILT_MASK (srcpix, *p, startmask);
- }
- else
- {
- maskbits(x, w, startmask, endmask, nlw);
- if (startmask)
- {
- *p = MROP_PREBUILT_MASK(srcpix, *p, startmask);
- p++;
- }
- while (nlw--)
- {
- STORE(p);
- ++p;
- }
- if (endmask)
- {
- *p = MROP_PREBUILT_MASK(srcpix, *p, endmask);
- }
- }
- }
- }
- else
- #endif
- {
- while (n--)
- {
- x = ppt->x;
- y = ppt->y;
- ++ppt;
- w = *pwidth++;
- p = pbits + (y * nlwDst) + (x >> PWSH);
- srcpix = psrc[y % tileHeight];
- MROP_PREBUILD(srcpix);
-
- if ((x & PIM) + w < PPW)
- {
- maskpartialbits(x, w, startmask);
- *p = MROP_PREBUILT_MASK (srcpix, *p, startmask);
- }
- else
- {
- maskbits(x, w, startmask, endmask, nlw);
- if (startmask)
- {
- *p = MROP_PREBUILT_MASK(srcpix, *p, startmask);
- p++;
- }
- while (nlw--)
- {
- STORE(p);
- ++p;
- }
- if (endmask)
- {
- *p = MROP_PREBUILT_MASK(srcpix, *p, endmask);
- }
- }
- }
- }
- DEALLOCATE_LOCAL(pptFree);
- DEALLOCATE_LOCAL(pwidthFree);
- }
-