Initial revision

1 files changed, 1167 insertions, 0 deletions

diff --git a/fb/fbpict.c b/fb/fbpict.c
new file mode 100644
index 000000000..894d5cd62
--- /dev/null
+++ b/fb/fbpict.c
@@ -0,0 +1,1167 @@
+/*
+ * $XFree86: xc/programs/Xserver/fb/fbpict.c,v 1.16 2002/12/14 01:46:02 dawes Exp $
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  SuSE makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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.
+ *
+ * Author:  Keith Packard, SuSE, Inc.
+ */
+
+#include "fb.h"
+
+#ifdef RENDER
+
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+
+#define cvt8888to0565(s)    ((((s) >> 3) & 0x001f) | \
+			     (((s) >> 5) & 0x07e0) | \
+			     (((s) >> 8) & 0xf800))
+#define cvt0565to8888(s)    (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
+			     ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
+			     ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
+
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define Fetch24(a)  ((unsigned long) (a) & 1 ? \
+		     ((*(a) << 16) | *((CARD16 *) ((a)+1))) : \
+		     ((*((CARD16 *) (a)) << 8) | *((a)+2)))
+#define Store24(a,v) ((unsigned long) (a) & 1 ? \
+		      ((*(a) = (CARD8) ((v) >> 16)), \
+		       (*((CARD16 *) ((a)+1)) = (CARD16) (v))) : \
+		      ((*((CARD16 *) (a)) = (CARD16) ((v) >> 8)), \
+		       (*((a)+2) = (CARD8) (v))))
+#else
+#define Fetch24(a)  ((unsigned long) (a) & 1 ? \
+		     ((*(a)) | (*((CARD16 *) ((a)+1)) << 8)) : \
+		     ((*((CARD16 *) (a))) | (*((a)+2) << 16)))
+#define Store24(a,v) ((unsigned long) (a) & 1 ? \
+		      ((*(a) = (CARD8) (v)), \
+		       (*((CARD16 *) ((a)+1)) = (CARD16) ((v) >> 8))) : \
+		      ((*((CARD16 *) (a)) = (CARD16) (v)),\
+		       (*((a)+2) = (CARD8) ((v) >> 16))))
+#endif
+		      
+CARD32
+fbOver (CARD32 x, CARD32 y)
+{
+    CARD16  a = ~x >> 24;
+    CARD16  t;
+    CARD32  m,n,o,p;
+
+    m = FbOverU(x,y,0,a,t);
+    n = FbOverU(x,y,8,a,t);
+    o = FbOverU(x,y,16,a,t);
+    p = FbOverU(x,y,24,a,t);
+    return m|n|o|p;
+}
+
+CARD32
+fbOver24 (CARD32 x, CARD32 y)
+{
+    CARD16  a = ~x >> 24;
+    CARD16  t;
+    CARD32  m,n,o;
+
+    m = FbOverU(x,y,0,a,t);
+    n = FbOverU(x,y,8,a,t);
+    o = FbOverU(x,y,16,a,t);
+    return m|n|o;
+}
+
+CARD32
+fbIn (CARD32 x, CARD8 y)
+{
+    CARD16  a = y;
+    CARD16  t;
+    CARD32  m,n,o,p;
+
+    m = FbInU(x,0,a,t);
+    n = FbInU(x,8,a,t);
+    o = FbInU(x,16,a,t);
+    p = FbInU(x,24,a,t);
+    return m|n|o|p;
+}
+
+#define fbComposeGetSolid(pict, bits) { \
+    FbBits	*__bits__; \
+    FbStride	__stride__; \
+    int		__bpp__; \
+    int		__xoff__,__yoff__; \
+\
+    fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
+    switch (__bpp__) { \
+    case 32: \
+	(bits) = *(CARD32 *) __bits__; \
+	break; \
+    case 24: \
+	(bits) = Fetch24 ((CARD8 *) __bits__); \
+	break; \
+    case 16: \
+	(bits) = *(CARD16 *) __bits__; \
+	(bits) = cvt0565to8888(bits); \
+	break; \
+    default: \
+	return; \
+    } \
+    /* manage missing src alpha */ \
+    if ((pict)->pFormat->direct.alphaMask == 0) \
+	(bits) |= 0xff000000; \
+}
+
+#define fbComposeGetStart(pict,x,y,type,stride,line,mul) {\
+    FbBits	*__bits__; \
+    FbStride	__stride__; \
+    int		__bpp__; \
+    int		__xoff__,__yoff__; \
+\
+    fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
+    (stride) = __stride__ * sizeof (FbBits) / sizeof (type); \
+    (line) = ((type *) __bits__) + (stride) * ((y) - __yoff__) + (mul) * ((x) - __xoff__); \
+}
+
+/*
+ * Naming convention:
+ *
+ *  opSRCxMASKxDST
+ */
+
+void
+fbCompositeSolidMask_nx8x8888 (CARD8      op,
+			       PicturePtr pSrc,
+			       PicturePtr pMask,
+			       PicturePtr pDst,
+			       INT16      xSrc,
+			       INT16      ySrc,
+			       INT16      xMask,
+			       INT16      yMask,
+			       INT16      xDst,
+			       INT16      yDst,
+			       CARD16     width,
+			       CARD16     height)
+{
+    CARD32	src, srca;
+    CARD32	*dstLine, *dst, d, dstMask;
+    CARD8	*maskLine, *mask, m;
+    FbStride	dstStride, maskStride;
+    CARD16	w;
+
+    fbComposeGetSolid(pSrc, src);
+    
+    dstMask = FbFullMask (pDst->pDrawable->depth);
+    srca = src >> 24;
+    if (src == 0)
+	return;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
+    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	mask = maskLine;
+	maskLine += maskStride;
+	w = width;
+
+	while (w--)
+	{
+	    m = *mask++;
+	    if (m == 0xff)
+	    {
+		if (srca == 0xff)
+		    *dst = src & dstMask;
+		else
+		    *dst = fbOver (src, *dst) & dstMask;
+	    }
+	    else if (m)
+	    {
+		d = fbIn (src, m);
+		*dst = fbOver (d, *dst) & dstMask;
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSolidMask_nx8888x8888C (CARD8      op,
+				   PicturePtr pSrc,
+				   PicturePtr pMask,
+				   PicturePtr pDst,
+				   INT16      xSrc,
+				   INT16      ySrc,
+				   INT16      xMask,
+				   INT16      yMask,
+				   INT16      xDst,
+				   INT16      yDst,
+				   CARD16     width,
+				   CARD16     height)
+{
+    CARD32	src, srca;
+    CARD32	*dstLine, *dst, d, dstMask;
+    CARD32	*maskLine, *mask, ma;
+    FbStride	dstStride, maskStride;
+    CARD16	w;
+    CARD32	m, n, o, p;
+
+    fbComposeGetSolid(pSrc, src);
+    
+    dstMask = FbFullMask (pDst->pDrawable->depth);
+    srca = src >> 24;
+    if (src == 0)
+	return;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
+    fbComposeGetStart (pMask, xMask, yMask, CARD32, maskStride, maskLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	mask = maskLine;
+	maskLine += maskStride;
+	w = width;
+
+	while (w--)
+	{
+	    ma = *mask++;
+	    if (ma == 0xffffffff)
+	    {
+		if (srca == 0xff)
+		    *dst = src & dstMask;
+		else
+		    *dst = fbOver (src, *dst) & dstMask;
+	    }
+	    else if (ma)
+	    {
+		d = *dst;
+#define FbInOverC(src,srca,msk,dst,i,result) { \
+    CARD16  __a = FbGet8(msk,i); \
+    CARD32  __t, __ta; \
+    CARD32  __i; \
+    __t = FbIntMult (FbGet8(src,i), __a,__i); \
+    __ta = (CARD8) ~FbIntMult (srca, __a,__i); \
+    __t = __t + FbIntMult(FbGet8(dst,i),__ta,__i); \
+    __t = (CARD32) (CARD8) (__t | (-(__t >> 8))); \
+    result = __t << (i); \
+}
+		FbInOverC (src, srca, ma, d, 0, m);
+		FbInOverC (src, srca, ma, d, 8, n);
+		FbInOverC (src, srca, ma, d, 16, o);
+		FbInOverC (src, srca, ma, d, 24, p);
+		*dst = m|n|o|p;
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSolidMask_nx8x0888 (CARD8      op,
+			       PicturePtr pSrc,
+			       PicturePtr pMask,
+			       PicturePtr pDst,
+			       INT16      xSrc,
+			       INT16      ySrc,
+			       INT16      xMask,
+			       INT16      yMask,
+			       INT16      xDst,
+			       INT16      yDst,
+			       CARD16     width,
+			       CARD16     height)
+{
+    CARD32	src, srca;
+    CARD8	*dstLine, *dst;
+    CARD32	d;
+    CARD8	*maskLine, *mask, m;
+    FbStride	dstStride, maskStride;
+    CARD16	w;
+
+    fbComposeGetSolid(pSrc, src);
+    
+    srca = src >> 24;
+    if (src == 0)
+	return;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD8, dstStride, dstLine, 3);
+    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	mask = maskLine;
+	maskLine += maskStride;
+	w = width;
+
+	while (w--)
+	{
+	    m = *mask++;
+	    if (m == 0xff)
+	    {
+		if (srca == 0xff)
+		    d = src;
+		else
+		{
+		    d = Fetch24(dst);
+		    d = fbOver24 (src, d);
+		}
+		Store24(dst,d);
+	    }
+	    else if (m)
+	    {
+		d = fbOver24 (fbIn(src,m), Fetch24(dst));
+		Store24(dst,d);
+	    }
+	    dst += 3;
+	}
+    }
+}
+
+void
+fbCompositeSolidMask_nx8x0565 (CARD8      op,
+				  PicturePtr pSrc,
+				  PicturePtr pMask,
+				  PicturePtr pDst,
+				  INT16      xSrc,
+				  INT16      ySrc,
+				  INT16      xMask,
+				  INT16      yMask,
+				  INT16      xDst,
+				  INT16      yDst,
+				  CARD16     width,
+				  CARD16     height)
+{
+    CARD32	src, srca;
+    CARD16	*dstLine, *dst;
+    CARD32	d;
+    CARD8	*maskLine, *mask, m;
+    FbStride	dstStride, maskStride;
+    CARD16	w;
+
+    fbComposeGetSolid(pSrc, src);
+    
+    srca = src >> 24;
+    if (src == 0)
+	return;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
+    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	mask = maskLine;
+	maskLine += maskStride;
+	w = width;
+
+	while (w--)
+	{
+	    m = *mask++;
+	    if (m == 0xff)
+	    {
+		if (srca == 0xff)
+		    d = src;
+		else
+		{
+		    d = *dst;
+		    d = fbOver24 (src, cvt0565to8888(d));
+		}
+		*dst = cvt8888to0565(d);
+	    }
+	    else if (m)
+	    {
+		d = *dst;
+		d = fbOver24 (fbIn(src,m), cvt0565to8888(d));
+		*dst = cvt8888to0565(d);
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSolidMask_nx8888x0565C (CARD8      op,
+				   PicturePtr pSrc,
+				   PicturePtr pMask,
+				   PicturePtr pDst,
+				   INT16      xSrc,
+				   INT16      ySrc,
+				   INT16      xMask,
+				   INT16      yMask,
+				   INT16      xDst,
+				   INT16      yDst,
+				   CARD16     width,
+				   CARD16     height)
+{
+    CARD32	src, srca;
+    CARD16	src16;
+    CARD16	*dstLine, *dst;
+    CARD32	d;
+    CARD32	*maskLine, *mask, ma;
+    FbStride	dstStride, maskStride;
+    CARD16	w;
+    CARD32	m, n, o;
+
+    fbComposeGetSolid(pSrc, src);
+    
+    srca = src >> 24;
+    if (src == 0)
+	return;
+    
+    src16 = cvt8888to0565(src);
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
+    fbComposeGetStart (pMask, xMask, yMask, CARD32, maskStride, maskLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	mask = maskLine;
+	maskLine += maskStride;
+	w = width;
+
+	while (w--)
+	{
+	    ma = *mask++;
+	    if (ma == 0xffffffff)
+	    {
+		if (srca == 0xff)
+		{
+		    *dst = src16;
+		}
+		else
+		{
+		    d = *dst;
+		    d = fbOver24 (src, cvt0565to8888(d));
+		    *dst = cvt8888to0565(d);
+		}
+	    }
+	    else if (ma)
+	    {
+		d = *dst;
+		d = cvt0565to8888(d);
+		FbInOverC (src, srca, ma, d, 0, m);
+		FbInOverC (src, srca, ma, d, 8, n);
+		FbInOverC (src, srca, ma, d, 16, o);
+		d = m|n|o;
+		*dst = cvt8888to0565(d);
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSrc_8888x8888 (CARD8      op,
+			 PicturePtr pSrc,
+			 PicturePtr pMask,
+			 PicturePtr pDst,
+			 INT16      xSrc,
+			 INT16      ySrc,
+			 INT16      xMask,
+			 INT16      yMask,
+			 INT16      xDst,
+			 INT16      yDst,
+			 CARD16     width,
+			 CARD16     height)
+{
+    CARD32	*dstLine, *dst, dstMask;
+    CARD32	*srcLine, *src, s;
+    FbStride	dstStride, srcStride;
+    CARD8	a;
+    CARD16	w;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);
+    
+    dstMask = FbFullMask (pDst->pDrawable->depth);
+
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	{
+	    s = *src++;
+	    a = s >> 24;
+	    if (a == 0xff)
+		*dst = s & dstMask;
+	    else if (a)
+		*dst = fbOver (s, *dst) & dstMask;
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSrc_8888x0888 (CARD8      op,
+			 PicturePtr pSrc,
+			 PicturePtr pMask,
+			 PicturePtr pDst,
+			 INT16      xSrc,
+			 INT16      ySrc,
+			 INT16      xMask,
+			 INT16      yMask,
+			 INT16      xDst,
+			 INT16      yDst,
+			 CARD16     width,
+			 CARD16     height)
+{
+    CARD8	*dstLine, *dst;
+    CARD32	d;
+    CARD32	*srcLine, *src, s;
+    CARD8	a;
+    FbStride	dstStride, srcStride;
+    CARD16	w;
+    
+    fbComposeGetStart (pDst, xDst, yDst, CARD8, dstStride, dstLine, 3);
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);
+    
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	{
+	    s = *src++;
+	    a = s >> 24;
+	    if (a)
+	    {
+		if (a == 0xff)
+		    d = s;
+		else
+		    d = fbOver24 (s, Fetch24(dst));
+		Store24(dst,d);
+	    }
+	    dst += 3;
+	}
+    }
+}
+
+void
+fbCompositeSrc_8888x0565 (CARD8      op,
+			 PicturePtr pSrc,
+			 PicturePtr pMask,
+			 PicturePtr pDst,
+			 INT16      xSrc,
+			 INT16      ySrc,
+			 INT16      xMask,
+			 INT16      yMask,
+			 INT16      xDst,
+			 INT16      yDst,
+			 CARD16     width,
+			 CARD16     height)
+{
+    CARD16	*dstLine, *dst;
+    CARD32	d;
+    CARD32	*srcLine, *src, s;
+    CARD8	a;
+    FbStride	dstStride, srcStride;
+    CARD16	w;
+    
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);
+    fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
+
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	{
+	    s = *src++;
+	    a = s >> 24;
+	    if (a)
+	    {
+		if (a == 0xff)
+		    d = s;
+		else
+		{
+		    d = *dst;
+		    d = fbOver24 (s, cvt0565to8888(d));
+		}
+		*dst = cvt8888to0565(d);
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSrc_0565x0565 (CARD8      op,
+			  PicturePtr pSrc,
+			  PicturePtr pMask,
+			  PicturePtr pDst,
+			  INT16      xSrc,
+			  INT16      ySrc,
+			  INT16      xMask,
+			  INT16      yMask,
+			  INT16      xDst,
+			  INT16      yDst,
+			  CARD16     width,
+			  CARD16     height)
+{
+    CARD16	*dstLine, *dst;
+    CARD16	*srcLine, *src;
+    FbStride	dstStride, srcStride;
+    CARD16	w;
+    
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD16, srcStride, srcLine, 1);
+
+    fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
+
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	    *dst++ = *src++;
+    }
+}
+
+void
+fbCompositeSrcAdd_8000x8000 (CARD8	op,
+			     PicturePtr pSrc,
+			     PicturePtr pMask,
+			     PicturePtr pDst,
+			     INT16      xSrc,
+			     INT16      ySrc,
+			     INT16      xMask,
+			     INT16      yMask,
+			     INT16      xDst,
+			     INT16      yDst,
+			     CARD16     width,
+			     CARD16     height)
+{
+    CARD8	*dstLine, *dst;
+    CARD8	*srcLine, *src;
+    FbStride	dstStride, srcStride;
+    CARD16	w;
+    CARD8	s, d;
+    CARD16	t;
+    
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD8, srcStride, srcLine, 1);
+    fbComposeGetStart (pDst, xDst, yDst, CARD8, dstStride, dstLine, 1);
+
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	{
+	    s = *src++;
+	    if (s)
+	    {
+		if (s != 0xff)
+		{
+		    d = *dst;
+		    t = d + s;
+		    s = t | (0 - (t >> 8));
+		}
+		*dst = s;
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSrcAdd_8888x8888 (CARD8	op,
+			     PicturePtr pSrc,
+			     PicturePtr pMask,
+			     PicturePtr pDst,
+			     INT16      xSrc,
+			     INT16      ySrc,
+			     INT16      xMask,
+			     INT16      yMask,
+			     INT16      xDst,
+			     INT16      yDst,
+			     CARD16     width,
+			     CARD16     height)
+{
+    CARD32	*dstLine, *dst;
+    CARD32	*srcLine, *src;
+    FbStride	dstStride, srcStride;
+    CARD16	w;
+    CARD32	s, d;
+    CARD16	t;
+    CARD32	m,n,o,p;
+    
+    fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);
+    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
+
+    while (height--)
+    {
+	dst = dstLine;
+	dstLine += dstStride;
+	src = srcLine;
+	srcLine += srcStride;
+	w = width;
+
+	while (w--)
+	{
+	    s = *src++;
+	    if (s)
+	    {
+		if (s != 0xffffffff)
+		{
+		    d = *dst;
+		    if (d)
+		    {
+			m = FbAdd(s,d,0,t);
+			n = FbAdd(s,d,8,t);
+			o = FbAdd(s,d,16,t);
+			p = FbAdd(s,d,24,t);
+			s = m|n|o|p;
+		    }
+		}
+		*dst = s;
+	    }
+	    dst++;
+	}
+    }
+}
+
+void
+fbCompositeSrcAdd_1000x1000 (CARD8	op,
+			     PicturePtr pSrc,
+			     PicturePtr pMask,
+			     PicturePtr pDst,
+			     INT16      xSrc,
+			     INT16      ySrc,
+			     INT16      xMask,
+			     INT16      yMask,
+			     INT16      xDst,
+			     INT16      yDst,
+			     CARD16     width,
+			     CARD16     height)
+{
+    FbBits	*dstBits, *srcBits;
+    FbStride	dstStride, srcStride;
+    int		dstBpp, srcBpp;
+    int		dstXoff, dstYoff;
+    int		srcXoff, srcYoff;
+    
+    fbGetDrawable(pSrc->pDrawable, srcBits, srcStride, srcBpp, srcXoff, srcYoff);
+
+    fbGetDrawable(pDst->pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
+
+    fbBlt (srcBits + srcStride * (ySrc + srcYoff),
+	   srcStride,
+	   xSrc + srcXoff,
+
+	   dstBits + dstStride * (yDst + dstYoff),
+	   dstStride,
+	   xDst + dstXoff,
+
+	   width,
+	   height,
+
+	   GXor,
+	   FB_ALLONES,
+	   srcBpp,
+
+	   FALSE,
+	   FALSE);
+}
+
+void
+fbCompositeSolidMask_nx1xn (CARD8      op,
+			    PicturePtr pSrc,
+			    PicturePtr pMask,
+			    PicturePtr pDst,
+			    INT16      xSrc,
+			    INT16      ySrc,
+			    INT16      xMask,
+			    INT16      yMask,
+			    INT16      xDst,
+			    INT16      yDst,
+			    CARD16     width,
+			    CARD16     height)
+{
+    FbBits	*dstBits;
+    FbStip	*maskBits;
+    FbStride	dstStride, maskStride;
+    int		dstBpp, maskBpp;
+    int		dstXoff, dstYoff;
+    int		maskXoff, maskYoff;
+    FbBits	src;
+    
+    fbComposeGetSolid(pSrc, src);
+
+    if ((src & 0xff000000) != 0xff000000)
+    {
+	fbCompositeGeneral  (op, pSrc, pMask, pDst,
+			     xSrc, ySrc, xMask, yMask, xDst, yDst, 
+			     width, height);
+	return;
+    }
+    fbGetStipDrawable (pMask->pDrawable, maskBits, maskStride, maskBpp, maskXoff, maskYoff);
+    fbGetDrawable (pDst->pDrawable, dstBits, dstStride, dstBpp, dstXoff, dstYoff);
+
+    switch (dstBpp) {
+    case 32:
+	break;
+    case 24:
+	break;
+    case 16:
+	src = cvt8888to0565(src);
+	break;
+    }
+
+    src = fbReplicatePixel (src, dstBpp);
+
+    fbBltOne (maskBits + maskStride * (yMask + maskYoff),
+	      maskStride,
+	      xMask + maskXoff,
+
+	      dstBits + dstStride * (yDst + dstYoff),
+	      dstStride,
+	      (xDst + dstXoff) * dstBpp,
+	      dstBpp,
+
+	      width * dstBpp,
+	      height,
+
+	      0x0,
+	      src,
+	      FB_ALLONES,
+	      0x0);
+}
+
+# define mod(a,b)	((b) == 1 ? 0 : (a) >= 0 ? (a) % (b) : (b) - (-a) % (b))
+
+void
+fbComposite (CARD8      op,
+	     PicturePtr pSrc,
+	     PicturePtr pMask,
+	     PicturePtr pDst,
+	     INT16      xSrc,
+	     INT16      ySrc,
+	     INT16      xMask,
+	     INT16      yMask,
+	     INT16      xDst,
+	     INT16      yDst,
+	     CARD16     width,
+	     CARD16     height)
+{
+    RegionRec	    region;
+    int		    n;
+    BoxPtr	    pbox;
+    CompositeFunc   func;
+    Bool	    srcRepeat = pSrc->repeat;
+    Bool	    maskRepeat = FALSE;
+    Bool	    srcAlphaMap = pSrc->alphaMap != 0;
+    Bool	    maskAlphaMap = FALSE;
+    Bool	    dstAlphaMap = pDst->alphaMap != 0;
+    int		    x_msk, y_msk, x_src, y_src, x_dst, y_dst;
+    int		    w, h, w_this, h_this;
+    
+    xDst += pDst->pDrawable->x;
+    yDst += pDst->pDrawable->y;
+    xSrc += pSrc->pDrawable->x;
+    ySrc += pSrc->pDrawable->y;
+    if (pMask)
+    {
+	xMask += pMask->pDrawable->x;
+	yMask += pMask->pDrawable->y;
+	maskRepeat = pMask->repeat;
+	maskAlphaMap = pMask->alphaMap != 0;
+    }
+    
+    if (!miComputeCompositeRegion (&region,
+				   pSrc,
+				   pMask,
+				   pDst,
+				   xSrc,
+				   ySrc,
+				   xMask,
+				   yMask,
+				   xDst,
+				   yDst,
+				   width,
+				   height))
+	return;
+				   
+    func = fbCompositeGeneral;
+    if (!pSrc->transform && !(pMask && pMask->transform))
+    if (!maskAlphaMap && !srcAlphaMap && !dstAlphaMap)
+    switch (op) {
+    case PictOpOver:
+	if (pMask)
+	{
+	    if (srcRepeat && 
+		pSrc->pDrawable->width == 1 &&
+		pSrc->pDrawable->height == 1)
+	    {
+		srcRepeat = FALSE;
+		if (PICT_FORMAT_COLOR(pSrc->format)) {
+		    switch (pMask->format) {
+		    case PICT_a8:
+			switch (pDst->format) {
+			case PICT_r5g6b5:
+			case PICT_b5g6r5:
+			    func = fbCompositeSolidMask_nx8x0565;
+			    break;
+			case PICT_r8g8b8:
+			case PICT_b8g8r8:
+			    func = fbCompositeSolidMask_nx8x0888;
+			    break;
+			case PICT_a8r8g8b8:
+			case PICT_x8r8g8b8:
+			case PICT_a8b8g8r8:
+			case PICT_x8b8g8r8:
+			    func = fbCompositeSolidMask_nx8x8888;
+			    break;
+			}
+			break;
+		    case PICT_a8r8g8b8:
+			if (pMask->componentAlpha) {
+			    switch (pDst->format) {
+			    case PICT_a8r8g8b8:
+			    case PICT_x8r8g8b8:
+				func = fbCompositeSolidMask_nx8888x8888C;
+				break;
+			    case PICT_r5g6b5:
+				func = fbCompositeSolidMask_nx8888x0565C;
+				break;
+			    }
+			}
+			break;
+		    case PICT_a8b8g8r8:
+			if (pMask->componentAlpha) {
+			    switch (pDst->format) {
+			    case PICT_a8b8g8r8:
+			    case PICT_x8b8g8r8:
+				func = fbCompositeSolidMask_nx8888x8888C;
+				break;
+			    case PICT_b5g6r5:
+				func = fbCompositeSolidMask_nx8888x0565C;
+				break;
+			    }
+			}
+			break;
+		    case PICT_a1:
+			switch (pDst->format) {
+			case PICT_r5g6b5:
+			case PICT_b5g6r5:
+			case PICT_r8g8b8:
+			case PICT_b8g8r8:
+			case PICT_a8r8g8b8:
+			case PICT_x8r8g8b8:
+			case PICT_a8b8g8r8:
+			case PICT_x8b8g8r8:
+			    func = fbCompositeSolidMask_nx1xn;
+			    break;
+			}
+		    }
+		}
+	    }
+	}
+	else
+	{
+	    switch (pSrc->format) {
+	    case PICT_a8r8g8b8:
+	    case PICT_x8r8g8b8:
+		switch (pDst->format) {
+		case PICT_a8r8g8b8:
+		case PICT_x8r8g8b8:
+		    func = fbCompositeSrc_8888x8888;
+		    break;
+		case PICT_r8g8b8:
+		    func = fbCompositeSrc_8888x0888;
+		    break;
+		case PICT_r5g6b5:
+		    func = fbCompositeSrc_8888x0565;
+		    break;
+		}
+		break;
+	    case PICT_a8b8g8r8:
+	    case PICT_x8b8g8r8:
+		switch (pDst->format) {
+		case PICT_a8b8g8r8:
+		case PICT_x8b8g8r8:
+		    func = fbCompositeSrc_8888x8888;
+		    break;
+		case PICT_b8g8r8:
+		    func = fbCompositeSrc_8888x0888;
+		    break;
+		case PICT_b5g6r5:
+		    func = fbCompositeSrc_8888x0565;
+		    break;
+		}
+		break;
+	    case PICT_r5g6b5:
+		switch (pDst->format) {
+		case PICT_r5g6b5:
+		    func = fbCompositeSrc_0565x0565;
+		    break;
+		}
+		break;
+	    case PICT_b5g6r5:
+		switch (pDst->format) {
+		case PICT_b5g6r5:
+		    func = fbCompositeSrc_0565x0565;
+		    break;
+		}
+		break;
+	    }
+	}
+	break;
+    case PictOpAdd:
+	if (pMask == 0)
+	{
+	    switch (pSrc->format) {
+	    case PICT_a8r8g8b8:
+		switch (pDst->format) {
+		case PICT_a8r8g8b8:
+		    func = fbCompositeSrcAdd_8888x8888;
+		    break;
+		}
+		break;
+	    case PICT_a8b8g8r8:
+		switch (pDst->format) {
+		case PICT_a8b8g8r8:
+		    func = fbCompositeSrcAdd_8888x8888;
+		    break;
+		}
+		break;
+	    case PICT_a8:
+		switch (pDst->format) {
+		case PICT_a8:
+		    func = fbCompositeSrcAdd_8000x8000;
+		    break;
+		}
+		break;
+	    case PICT_a1:
+		switch (pDst->format) {
+		case PICT_a1:
+		    func = fbCompositeSrcAdd_1000x1000;
+		    break;
+		}
+		break;
+	    }
+	}
+	break;
+    }
+    n = REGION_NUM_RECTS (&region);
+    pbox = REGION_RECTS (&region);
+    while (n--)
+    {
+	h = pbox->y2 - pbox->y1;
+	y_src = pbox->y1 - yDst + ySrc;
+	y_msk = pbox->y1 - yDst + yMask;
+	y_dst = pbox->y1;
+	while (h)
+	{
+	    h_this = h;
+	    w = pbox->x2 - pbox->x1;
+	    x_src = pbox->x1 - xDst + xSrc;
+	    x_msk = pbox->x1 - xDst + xMask;
+	    x_dst = pbox->x1;
+	    if (maskRepeat)
+	    {
+		y_msk = mod (y_msk, pMask->pDrawable->height);
+		if (h_this > pMask->pDrawable->height - y_msk)
+		    h_this = pMask->pDrawable->height - y_msk;
+	    }
+	    if (srcRepeat)
+	    {
+		y_src = mod (y_src, pSrc->pDrawable->height);
+		if (h_this > pSrc->pDrawable->height - y_src)
+		    h_this = pSrc->pDrawable->height - y_src;
+	    }
+	    while (w)
+	    {
+		w_this = w;
+		if (maskRepeat)
+		{
+		    x_msk = mod (x_msk, pMask->pDrawable->width);
+		    if (w_this > pMask->pDrawable->width - x_msk)
+			w_this = pMask->pDrawable->width - x_msk;
+		}
+		if (srcRepeat)
+		{
+		    x_src = mod (x_src, pSrc->pDrawable->width);
+		    if (w_this > pSrc->pDrawable->width - x_src)
+			w_this = pSrc->pDrawable->width - x_src;
+		}
+		(*func) (op, pSrc, pMask, pDst,
+			 x_src, y_src, x_msk, y_msk, x_dst, y_dst, 
+			 w_this, h_this);
+		w -= w_this;
+		x_src += w_this;
+		x_msk += w_this;
+		x_dst += w_this;
+	    }
+	    h -= h_this;
+	    y_src += h_this;
+	    y_msk += h_this;
+	    y_dst += h_this;
+	}
+	pbox++;
+    }
+    REGION_UNINIT (pDst->pDrawable->pScreen, &region);
+}
+
+#endif /* RENDER */
+
+Bool
+fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
+{
+
+#ifdef RENDER
+
+    PictureScreenPtr    ps;
+
+    if (!miPictureInit (pScreen, formats, nformats))
+	return FALSE;
+    ps = GetPictureScreen(pScreen);
+    ps->Composite = fbComposite;
+    ps->Glyphs = miGlyphs;
+    ps->CompositeRects = miCompositeRects;
+    ps->RasterizeTrapezoid = fbRasterizeTrapezoid;
+
+#endif /* RENDER */
+
+    return TRUE;
+}