Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 490 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/cfb/cfbcppl.c b/nx-X11/programs/Xserver/cfb/cfbcppl.c
new file mode 100644
index 000000000..037a516f2
--- /dev/null
+++ b/nx-X11/programs/Xserver/cfb/cfbcppl.c
@@ -0,0 +1,490 @@
+/*
+ * $TOG: cfb8cppl.c /main/16 1998/02/09 14:04:13 kaleb $
+ *
+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
+ */
+/* $XFree86: xc/programs/Xserver/cfb/cfbcppl.c,v 1.6 2001/12/14 19:59:22 dawes Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "gcstruct.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "cfb.h"
+#if PSZ == 8
+#undef   PSZ /* for maskbits.h */
+#include "maskbits.h"
+#define PSZ 8
+#include "mergerop.h"
+#else /* PSZ==8 */
+#include "cfbtab.h" /* provides starttab, endttab, partmasks */
+#endif /* PSZ==8 */
+
+
+void
+cfbCopyImagePlane(
+    DrawablePtr pSrcDrawable,
+    DrawablePtr pDstDrawable,
+    int	rop,
+    RegionPtr prgnDst,
+    DDXPointPtr pptSrc,
+    unsigned long planemask)
+{
+    /* note: there must be some sort of trick behind,
+       passing a planemask value with all bits set
+       whilst using the current planemask for the bitPlane value. */
+#if PSZ == 8
+    cfbCopyPlane8to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc,
+		      (unsigned long) ~0L, planemask);
+#endif
+#if PSZ == 16
+    cfbCopyPlane16to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc,
+		      (unsigned long) ~0L, planemask);
+#endif
+#if PSZ == 24
+    cfbCopyPlane24to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc,
+		      (unsigned long) ~0L, planemask);
+#endif
+#if PSZ == 32
+    cfbCopyPlane32to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc,
+		      (unsigned long) ~0L, planemask);
+#endif
+}
+
+#if PSZ == 8
+
+#if BITMAP_BIT_ORDER == MSBFirst
+#define LeftMost    (MFB_PPW-1)
+#define StepBit(bit, inc)  ((bit) -= (inc))
+#else
+#define LeftMost    0
+#define StepBit(bit, inc)  ((bit) += (inc))
+#endif
+
+#define GetBits(psrc, nBits, curBit, bitPos, bits) {\
+    bits = 0; \
+    while (nBits--) \
+    { \
+	bits |= (PixelType)(((*psrc++ >> bitPos) & 1)) << curBit; \
+	StepBit (curBit, 1); \
+    } \
+}
+
+void
+cfbCopyPlane8to1(
+    DrawablePtr pSrcDrawable,
+    DrawablePtr pDstDrawable,
+    int	rop,
+    RegionPtr prgnDst,
+    DDXPointPtr pptSrc,
+    unsigned long planemask,
+    unsigned long bitPlane)
+{
+    int			    srcx, srcy, dstx, dsty, width, height;
+    unsigned char	    *psrcBase;
+    PixelType		    *pdstBase;
+    int			    widthSrc, widthDst;
+    unsigned char	    *psrcLine;
+    PixelType		    *pdstLine;
+    register unsigned char  *psrc;
+    register int	    i;
+    register int	    curBit;
+    register int	    bitPos;
+    register CfbBits  bits;
+    register PixelType	    *pdst;
+    PixelType		    startmask, endmask;
+    int			    niStart = 0, niEnd = 0;
+    int			    bitStart = 0, bitEnd = 0;
+    int			    nl, nlMiddle;
+    int			    nbox;
+    BoxPtr		    pbox;
+    MROP_DECLARE()
+
+    if (!(planemask & 1))
+	return;
+
+    if (rop != GXcopy)
+	MROP_INITIALIZE (rop, planemask);
+
+    cfbGetByteWidthAndPointer (pSrcDrawable, widthSrc, psrcBase)
+
+    mfbGetPixelWidthAndPointer (pDstDrawable, widthDst, pdstBase)
+
+    bitPos = ffs (bitPlane) - 1;
+
+    nbox = REGION_NUM_RECTS(prgnDst);
+    pbox = REGION_RECTS(prgnDst);
+    while (nbox--)
+    {
+	dstx = pbox->x1;
+	dsty = pbox->y1;
+	srcx = pptSrc->x;
+	srcy = pptSrc->y;
+	width = pbox->x2 - pbox->x1;
+	height = pbox->y2 - pbox->y1;
+	pbox++;
+	pptSrc++;
+	psrcLine = psrcBase + srcy * widthSrc + srcx;
+	pdstLine = mfbScanline(pdstBase, dstx, dsty, widthDst);
+	dstx &= MFB_PIM;
+	if (dstx + width <= MFB_PPW)
+	{
+	    maskpartialbits(dstx, width, startmask);
+	    nlMiddle = 0;
+	    endmask = 0;
+	}
+	else
+	{
+	    maskbits (dstx, width, startmask, endmask, nlMiddle);
+	}
+	if (startmask)
+	{
+	    niStart = min(MFB_PPW - dstx, width);
+	    bitStart = LeftMost;
+	    StepBit (bitStart, dstx);
+	}
+	if (endmask)
+	{
+	    niEnd = (dstx + width) & MFB_PIM;
+	    bitEnd = LeftMost;
+	}
+	if (rop == GXcopy)
+	{
+	    while (height--)
+	    {
+	    	psrc = psrcLine;
+	    	pdst = pdstLine;
+	    	psrcLine += widthSrc;
+	    	mfbScanlineInc(pdstLine, widthDst);
+	    	if (startmask)
+	    	{
+		    i = niStart;
+		    curBit = bitStart;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst = (*pdst & ~startmask) | bits;
+		    pdst++;
+	    	}
+	    	nl = nlMiddle;
+	    	while (nl--)
+	    	{
+		    i = MFB_PPW;
+		    curBit = LeftMost;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst++ = bits;
+	    	}
+	    	if (endmask)
+	    	{
+		    i = niEnd;
+		    curBit = bitEnd;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst = (*pdst & ~endmask) | bits;
+	    	}
+	    }
+	}
+	else
+	{
+	    while (height--)
+	    {
+	    	psrc = psrcLine;
+	    	pdst = pdstLine;
+	    	psrcLine += widthSrc;
+	    	mfbScanlineInc(pdstLine, widthDst);
+	    	if (startmask)
+	    	{
+		    i = niStart;
+		    curBit = bitStart;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst = MROP_MASK(bits, *pdst, startmask);
+		    pdst++;
+	    	}
+	    	nl = nlMiddle;
+	    	while (nl--)
+	    	{
+		    i = MFB_PPW;
+		    curBit = LeftMost;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst = MROP_SOLID(bits, *pdst);
+		    pdst++;
+	    	}
+	    	if (endmask)
+	    	{
+		    i = niEnd;
+		    curBit = bitEnd;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst = MROP_MASK (bits, *pdst, endmask);
+	    	}
+	    }
+	}
+    }
+}
+
+#else /*  PSZ == 8 */
+
+#define mfbmaskbits(x, w, startmask, endmask, nlw) \
+    startmask = mfbGetstarttab((x)&0x1f); \
+    endmask = mfbGetendtab(((x)+(w)) & 0x1f); \
+    if (startmask) \
+	nlw = (((w) - (32 - ((x)&0x1f))) >> 5); \
+    else \
+	nlw = (w) >> 5;
+
+#define mfbmaskpartialbits(x, w, mask) \
+    mask = mfbGetpartmasks((x)&0x1f,(w)&0x1f);
+
+#define LeftMost    0
+#define StepBit(bit, inc)  ((bit) += (inc))
+
+
+#if PSZ == 24
+#define GetBits(psrc, nBits, curBit, bitPos, bits) {\
+    bits = 0; \
+    while (nBits--) \
+    { \
+	if (bitPos < 8) \
+        { \
+	    bits |= ((*psrc++ >> bitPos) & 1) << curBit; \
+	    psrc += 2; \
+        } \
+	else if (bitPos < 16) \
+        { \
+	    psrc++; \
+	    bits |= ((*psrc++ >> (bitPos - 8)) & 1) << curBit; \
+	    psrc++; \
+        } \
+	else \
+        { \
+	    psrc += 2; \
+	    bits |= ((*psrc++ >> (bitPos - 16)) & 1) << curBit; \
+        } \
+	StepBit (curBit, 1); \
+    } \
+}
+#else
+#define GetBits(psrc, nBits, curBit, bitPos, bits) {\
+    bits = 0; \
+    while (nBits--) \
+    { \
+	bits |= ((*psrc++ >> bitPos) & 1) << curBit; \
+	StepBit (curBit, 1); \
+    } \
+}
+#endif
+
+void
+#if PSZ == 16
+cfbCopyPlane16to1
+#endif
+#if PSZ == 24
+cfbCopyPlane24to1
+#endif
+#if PSZ == 32
+cfbCopyPlane32to1
+#endif
+(
+    DrawablePtr pSrcDrawable,
+    DrawablePtr pDstDrawable,
+    int	rop,
+    RegionPtr prgnDst,
+    DDXPointPtr pptSrc,
+    unsigned long planemask,
+    unsigned long bitPlane)
+{
+    int			    srcx, srcy, dstx, dsty, width, height;
+    CfbBits	    *psrcBase;
+    CfbBits	    *pdstBase;
+    int			    widthSrc, widthDst;
+#if PSZ == 16
+    unsigned short	    *psrcLine;
+    register unsigned short *psrc;
+#endif
+#if PSZ == 24
+    unsigned char	    *psrcLine;
+    register unsigned char  *psrc;
+#endif
+#if PSZ == 32
+    unsigned int	    *psrcLine;
+    register unsigned int   *psrc;
+#endif
+    unsigned int	    *pdstLine;
+    register unsigned int   *pdst;
+    register int	    i;
+    register int	    curBit;
+    register int	    bitPos;
+    register unsigned int   bits;
+    unsigned int	    startmask = 0, endmask = 0;
+    int			    niStart = 0, niEnd = 0;
+    int			    bitStart = 0, bitEnd = 0;
+    int			    nl, nlMiddle;
+    int			    nbox;
+    BoxPtr		    pbox;
+    int result;
+
+
+    if (!(planemask & 1))
+	return;
+
+    /* must explicitly ask for "int" widths, as code below expects it */
+    /* on some machines (Alpha), "long" and "int" are not the same size */
+    cfbGetTypedWidthAndPointer (pSrcDrawable, widthSrc, psrcBase, int, CfbBits)
+    cfbGetTypedWidthAndPointer (pDstDrawable, widthDst, pdstBase, int, CfbBits)
+
+#if PSZ == 16
+    widthSrc <<= 1;
+#endif
+#if PSZ == 24
+    widthSrc <<= 2;
+#endif
+
+    bitPos = ffs (bitPlane) - 1;
+
+    nbox = REGION_NUM_RECTS(prgnDst);
+    pbox = REGION_RECTS(prgnDst);
+    while (nbox--)
+    {
+	dstx = pbox->x1;
+	dsty = pbox->y1;
+	srcx = pptSrc->x;
+	srcy = pptSrc->y;
+	width = pbox->x2 - pbox->x1;
+	height = pbox->y2 - pbox->y1;
+	pbox++;
+	pptSrc++;
+#if PSZ == 16
+	psrcLine = (unsigned short *)psrcBase + srcy * widthSrc + srcx;
+#endif
+#if PSZ == 24
+	psrcLine = (unsigned char *)psrcBase + srcy * widthSrc + srcx * 3;
+#endif
+#if PSZ == 32
+	psrcLine = (unsigned int *)psrcBase + srcy * widthSrc + srcx;
+#endif
+	pdstLine = (unsigned int *)pdstBase + dsty * widthDst + (dstx >> 5);
+	if (dstx + width <= 32)
+	{
+	    mfbmaskpartialbits(dstx, width, startmask);
+	    nlMiddle = 0;
+	    endmask = 0;
+	}
+	else
+	{
+	    mfbmaskbits (dstx, width, startmask, endmask, nlMiddle);
+	}
+	if (startmask)
+	{
+	    niStart = 32 - (dstx & 0x1f);
+	    bitStart = LeftMost;
+	    StepBit (bitStart, (dstx & 0x1f));
+	}
+	if (endmask)
+	{
+	    niEnd = (dstx + width) & 0x1f;
+	    bitEnd = LeftMost;
+	}
+	if (rop == GXcopy)
+	{
+	    while (height--)
+	    {
+	    	psrc = psrcLine;
+	    	pdst = pdstLine;
+	    	psrcLine += widthSrc;
+	    	pdstLine += widthDst;
+	    	if (startmask)
+	    	{
+		    i = niStart;
+		    curBit = bitStart;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+
+		    *pdst = (*pdst & ~startmask) | bits;
+		    pdst++;
+	    	}
+	    	nl = nlMiddle;
+	    	while (nl--)
+	    	{
+		    i = 32;
+		    curBit = LeftMost;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+		    *pdst++ = bits;
+	    	}
+	    	if (endmask)
+	    	{
+		    i = niEnd;
+		    curBit = bitEnd;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+
+		    *pdst = (*pdst & ~endmask) | bits;
+	    	}
+	    }
+	}
+	else
+	{
+	    while (height--)
+	    {
+	    	psrc = psrcLine;
+	    	pdst = pdstLine;
+	    	psrcLine += widthSrc;
+	    	pdstLine += widthDst;
+	    	if (startmask)
+	    	{
+		    i = niStart;
+		    curBit = bitStart;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+                    DoRop (result, rop, bits, *pdst);
+
+		    *pdst = (*pdst & ~startmask) | 
+			    (result & startmask);
+		    pdst++;
+	    	}
+	    	nl = nlMiddle;
+ 	    	while (nl--)
+	    	{
+		    i = 32;
+		    curBit = LeftMost;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+                    DoRop (result, rop, bits, *pdst);
+		    *pdst = result;
+		    ++pdst;
+	    	}
+	    	if (endmask)
+	    	{
+		    i = niEnd;
+		    curBit = bitEnd;
+		    GetBits (psrc, i, curBit, bitPos, bits);
+                    DoRop (result, rop, bits, *pdst);
+
+		    *pdst = (*pdst & ~endmask) |
+			    (result & endmask);
+	    	}
+	    }
+	}
+    }
+}
+
+#endif  /* PSZ == 8 */