R6.6 is the Xorg base-line

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);
+}