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-rw-r--r--cfb/cfbtile32.c352
1 files changed, 352 insertions, 0 deletions
diff --git a/cfb/cfbtile32.c b/cfb/cfbtile32.c
new file mode 100644
index 000000000..544857a25
--- /dev/null
+++ b/cfb/cfbtile32.c
@@ -0,0 +1,352 @@
+/*
+ * Fill 32 bit tiled rectangles. Used by both PolyFillRect and PaintWindow.
+ * 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.
+*/
+
+/* $Xorg: cfbtile32.c,v 1.4 2001/02/09 02:04:39 xorgcvs 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"
+
+#include "mi.h"
+#include "mispans.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 & ((PGSZB*2)-1); \
+ nlwMiddle >>= PWSH + 1; \
+ 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 = cfbGetGCPrivate(pGC)->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( cfbGetCompositeClip(pGC) );
+ 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( cfbGetCompositeClip(pGC),
+ pptInit, pwidthInit, nInit,
+ ppt, pwidth, fSorted);
+
+ tile = cfbGetGCPrivate(pGC)->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);
+}
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