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, 215 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/fb/fbsolid.c b/nx-X11/programs/Xserver/fb/fbsolid.c
new file mode 100644
index 000000000..89effe63b
--- /dev/null
+++ b/nx-X11/programs/Xserver/fb/fbsolid.c
@@ -0,0 +1,215 @@
+/*
+ * $XFree86$
+ *
+ * Copyright © 1998 Keith Packard
+ *
+ * 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, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FbSelectPart(xor,o,t)    xor
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+
+void
+fbSolid (FbBits	    *dst,
+	 FbStride   dstStride,
+	 int	    dstX,
+	 int	    bpp,
+
+	 int	    width,
+	 int	    height,
+
+	 FbBits	    and,
+	 FbBits	    xor)
+{
+    FbBits  startmask, endmask;
+    int	    n, nmiddle;
+    int	    startbyte, endbyte;
+
+#ifdef FB_24BIT
+    if (bpp == 24 && (!FbCheck24Pix(and) || !FbCheck24Pix(xor)))
+    {
+	fbSolid24 (dst, dstStride, dstX, width, height, and, xor);
+	return;
+    }
+#endif
+    dst += dstX >> FB_SHIFT;
+    dstX &= FB_MASK;
+    FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte, 
+		    nmiddle, endmask, endbyte);
+    if (startmask)
+	dstStride--;
+    dstStride -= nmiddle;
+    while (height--)
+    {
+	if (startmask)
+	{
+	    FbDoLeftMaskByteRRop(dst,startbyte,startmask,and,xor);
+	    dst++;
+	}
+	n = nmiddle;
+	if (!and)
+	    while (n--)
+		*dst++ = xor;
+	else
+	    while (n--)
+	    {
+		*dst = FbDoRRop (*dst, and, xor);
+		dst++;
+	    }
+	if (endmask)
+	    FbDoRightMaskByteRRop(dst,endbyte,endmask,and,xor);
+	dst += dstStride;
+    }
+}
+
+#ifdef FB_24BIT
+void
+fbSolid24 (FbBits   *dst,
+	   FbStride dstStride,
+	   int	    dstX,
+
+	   int	    width,
+	   int	    height,
+
+	   FbBits   and,
+	   FbBits   xor)
+{
+    FbBits  startmask, endmask;
+    FbBits  xor0 = 0, xor1 = 0, xor2 = 0;
+    FbBits  and0 = 0, and1 = 0, and2 = 0;
+    FbBits  xorS = 0, andS = 0, xorE = 0, andE = 0;
+    int	    n, nmiddle;
+    int	    rotS, rot;
+
+    dst += dstX >> FB_SHIFT;
+    dstX &= FB_MASK;
+    /*
+     * Rotate pixel values this far across the word to align on
+     * screen pixel boundaries
+     */
+    rot = FbFirst24Rot (dstX);
+    FbMaskBits (dstX, width, startmask, nmiddle, endmask);
+    if (startmask)
+	dstStride--;
+    dstStride -= nmiddle;
+    
+    /*
+     * Precompute rotated versions of the rasterop values
+     */
+    rotS = rot;
+    xor = FbRot24(xor,rotS);
+    and = FbRot24(and,rotS);
+    if (startmask)
+    {
+	xorS = xor;
+	andS = and;
+	xor = FbNext24Pix(xor);
+	and = FbNext24Pix(and);
+    }
+    
+    if (nmiddle)
+    {
+	xor0 = xor;
+	and0 = and;
+	xor1 = FbNext24Pix(xor0);
+	and1 = FbNext24Pix(and0);
+	xor2 = FbNext24Pix(xor1);
+	and2 = FbNext24Pix(and1);
+    }
+    
+    if (endmask)
+    {
+	switch (nmiddle % 3) {
+	case 0:
+	    xorE = xor;
+	    andE = and;
+	    break;
+	case 1:
+	    xorE = xor1;
+	    andE = and1;
+	    break;
+	case 2:
+	    xorE = xor2;
+	    andE = and2;
+	    break;
+	}
+    }
+    
+    while (height--)
+    {
+	if (startmask)
+	{
+	    *dst = FbDoMaskRRop(*dst, andS, xorS, startmask);
+	    dst++;
+	}
+	n = nmiddle;
+	if (!and0)
+	{
+	    while (n >= 3)
+	    {
+		*dst++ = xor0;
+		*dst++ = xor1;
+		*dst++ = xor2;
+		n -= 3;
+	    }
+	    if (n)
+	    {
+		*dst++ = xor0;
+		n--;
+		if (n)
+		{
+		    *dst++ = xor1;
+		}
+	    }
+	}
+	else
+	{
+	    while (n >= 3)
+	    {
+		*dst = FbDoRRop (*dst, and0, xor0);
+		dst++;
+		*dst = FbDoRRop (*dst, and1, xor1);
+		dst++;
+		*dst = FbDoRRop (*dst, and2, xor2);
+		dst++;
+		n -= 3;
+	    }
+	    if (n)
+	    {
+		*dst = FbDoRRop (*dst, and0, xor0);
+		dst++;
+		n--;
+		if (n)
+		{
+		    *dst = FbDoRRop (*dst, and1, xor1);
+		    dst++;
+		}
+	    }
+	}
+	if (endmask)
+	    *dst = FbDoMaskRRop (*dst, andE, xorE, endmask);
+	dst += dstStride;
+    }
+}
+#endif