X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbpush8.c;fp=Xserver%2Fprograms%2FXserver%2Fcfb%2Fcfbpush8.c;h=646699b9b11692c6e0f676bbd42cfe21f7ff04f0;hp=0000000000000000000000000000000000000000;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hpb=e3340a110a3b01756b8e67531395a33b40a17d37

diff --git a/Xserver/programs/Xserver/cfb/cfbpush8.c b/Xserver/programs/Xserver/cfb/cfbpush8.c
new file mode 100644
index 0000000..646699b
--- /dev/null
+++ b/Xserver/programs/Xserver/cfb/cfbpush8.c
@@ -0,0 +1,181 @@
+/*
+ * Push Pixels for 8 bit displays.
+ */
+
+/*
+
+Copyright (c) 1989  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+*/
+/* $XConsortium: cfbpush8.c,v 5.14 94/04/17 20:28:58 dpw Exp $ */
+
+#if PSZ == 8
+
+#include	"X.h"
+#include	"Xmd.h"
+#include	"Xproto.h"
+#include	"gcstruct.h"
+#include	"windowstr.h"
+#include	"scrnintstr.h"
+#include	"pixmapstr.h"
+#include	"regionstr.h"
+#include	"cfb.h"
+#include	"cfbmskbits.h"
+#include	"cfb8bit.h"
+#define MFB_CONSTS_ONLY
+#include	"maskbits.h"
+
+void
+cfbPushPixels8 (pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg)
+    GCPtr	pGC;
+    PixmapPtr	pBitmap;
+    DrawablePtr	pDrawable;
+    int		dx, dy, xOrg, yOrg;
+{
+    register unsigned long   *src, *dst;
+    register unsigned long   pixel;
+    register unsigned long   c, bits;
+    unsigned long   *pdstLine, *psrcLine;
+    unsigned long   *pdstBase;
+    int		    srcWidth;
+    int		    dstWidth;
+    int		    xoff;
+    int		    nBitmapLongs, nPixmapLongs;
+    int		    nBitmapTmp, nPixmapTmp;
+    unsigned long   rightMask;
+    BoxRec	    bbox;
+    cfbPrivGCPtr    devPriv;
+
+    bbox.x1 = xOrg;
+    bbox.y1 = yOrg;
+    bbox.x2 = bbox.x1 + dx;
+    bbox.y2 = bbox.y1 + dy;
+    devPriv = cfbGetGCPrivate(pGC);
+    
+    switch (RECT_IN_REGION(pGC->pScreen, devPriv->pCompositeClip, &bbox))
+    {
+      case rgnPART:
+	mfbPushPixels(pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg);
+      case rgnOUT:
+	return;
+    }
+
+    cfbGetLongWidthAndPointer (pDrawable, dstWidth, pdstBase)
+
+    psrcLine = (unsigned long *) pBitmap->devPrivate.ptr;
+    srcWidth = (int) pBitmap->devKind >> PWSH;
+    
+    pixel = devPriv->xor;
+    xoff = xOrg & PIM;
+    nBitmapLongs = (dx + xoff) >> MFB_PWSH;
+    nPixmapLongs = (dx + PGSZB + xoff) >> PWSH;
+
+    rightMask = ~cfb8BitLenMasks[((dx + xoff) & MFB_PIM)];
+
+    pdstLine = pdstBase + (yOrg * dstWidth) + (xOrg >> PWSH);
+
+    while (dy--)
+    {
+	c = 0;
+	nPixmapTmp = nPixmapLongs;
+	nBitmapTmp = nBitmapLongs;
+	src = psrcLine;
+	dst = pdstLine;
+	while (nBitmapTmp--)
+	{
+	    bits = *src++;
+	    c |= BitRight (bits, xoff);
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	    nPixmapTmp -= 8;
+	    c = 0;
+	    if (xoff)
+		c = BitLeft (bits, PGSZ - xoff);
+	}
+	if (BitLeft (rightMask, xoff))
+	    c |= BitRight (*src, xoff);
+	c &= rightMask;
+	switch (nPixmapTmp) {
+	case 8:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 7:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 6:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 5:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 4:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 3:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 2:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 1:
+	    WriteBitGroup(dst, pixel, GetBitGroup(c));
+	    NextBitGroup(c);
+	    dst++;
+	case 0:
+	    break;
+	}
+	pdstLine += dstWidth;
+	psrcLine += srcWidth;
+    }
+}
+
+#endif