drop .original files from the current code base

1 files changed, 0 insertions, 1864 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c.X.original b/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c.X.original
deleted file mode 100644
index 3ed60310e..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/X/NXpicture.c.X.original
+++ /dev/null
@@ -1,1864 +0,0 @@
-/*
- * $XFree86: xc/programs/Xserver/render/picture.c,v 1.29 2002/11/23 02:38:15 keithp 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "misc.h"
-#include "scrnintstr.h"
-#include "os.h"
-#include "regionstr.h"
-#include "validate.h"
-#include "windowstr.h"
-#include "input.h"
-#include "resource.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "gcstruct.h"
-#include "servermd.h"
-#include "picturestr.h"
-
-int		PictureScreenPrivateIndex = -1;
-int		PictureWindowPrivateIndex;
-int		PictureGeneration;
-RESTYPE		PictureType;
-RESTYPE		PictFormatType;
-RESTYPE		GlyphSetType;
-int		PictureCmapPolicy = PictureCmapPolicyDefault;
-
-/* Picture Private machinery */
-
-static int picturePrivateCount;
-
-void
-ResetPicturePrivateIndex (void)
-{
-    picturePrivateCount = 0;
-}
-
-int
-AllocatePicturePrivateIndex (void)
-{
-    return picturePrivateCount++;
-}
-
-Bool
-AllocatePicturePrivate (ScreenPtr pScreen, int index2, unsigned int amount)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pScreen);
-    unsigned int	oldamount;
-
-    /* Round up sizes for proper alignment */
-    amount = ((amount + (sizeof(long) - 1)) / sizeof(long)) * sizeof(long);
-
-    if (index2 >= ps->PicturePrivateLen)
-    {
-	unsigned int *nsizes;
-
-	nsizes = (unsigned int *)xrealloc(ps->PicturePrivateSizes,
-					  (index2 + 1) * sizeof(unsigned int));
-	if (!nsizes)
-	    return FALSE;
-	while (ps->PicturePrivateLen <= index2)
-	{
-	    nsizes[ps->PicturePrivateLen++] = 0;
-	    ps->totalPictureSize += sizeof(DevUnion);
-	}
-	ps->PicturePrivateSizes = nsizes;
-    }
-    oldamount = ps->PicturePrivateSizes[index2];
-    if (amount > oldamount)
-    {
-	ps->PicturePrivateSizes[index2] = amount;
-	ps->totalPictureSize += (amount - oldamount);
-    }
-
-    return TRUE;
-}
-
-
-Bool
-PictureDestroyWindow (WindowPtr pWindow)
-{
-    ScreenPtr		pScreen = pWindow->drawable.pScreen;
-    PicturePtr		pPicture;
-    PictureScreenPtr    ps = GetPictureScreen(pScreen);
-    Bool		ret;
-
-    while ((pPicture = GetPictureWindow(pWindow)))
-    {
-	SetPictureWindow(pWindow, pPicture->pNext);
-	if (pPicture->id)
-	    FreeResource (pPicture->id, PictureType);
-	FreePicture ((pointer) pPicture, pPicture->id);
-    }
-    pScreen->DestroyWindow = ps->DestroyWindow;
-    ret = (*pScreen->DestroyWindow) (pWindow);
-    ps->DestroyWindow = pScreen->DestroyWindow;
-    pScreen->DestroyWindow = PictureDestroyWindow;
-    return ret;
-}
-
-Bool
-PictureCloseScreen (int index, ScreenPtr pScreen)
-{
-    PictureScreenPtr    ps = GetPictureScreen(pScreen);
-    Bool                ret;
-    int			n;
-
-    pScreen->CloseScreen = ps->CloseScreen;
-    ret = (*pScreen->CloseScreen) (index, pScreen);
-    PictureResetFilters (pScreen);
-    for (n = 0; n < ps->nformats; n++)
-	if (ps->formats[n].type == PictTypeIndexed)
-	    (*ps->CloseIndexed) (pScreen, &ps->formats[n]);
-    SetPictureScreen(pScreen, 0);
-    if (ps->PicturePrivateSizes)
-	xfree (ps->PicturePrivateSizes);
-    xfree (ps->formats);
-    xfree (ps);
-    return ret;
-}
-
-void
-PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef)
-{
-    ScreenPtr		pScreen = pColormap->pScreen;
-    PictureScreenPtr    ps = GetPictureScreen(pScreen);
-
-    pScreen->StoreColors = ps->StoreColors;
-    (*pScreen->StoreColors) (pColormap, ndef, pdef);
-    ps->StoreColors = pScreen->StoreColors;
-    pScreen->StoreColors = PictureStoreColors;
-
-    if (pColormap->class == PseudoColor || pColormap->class == GrayScale)
-    {
-	PictFormatPtr	format = ps->formats;
-	int		nformats = ps->nformats;
-
-	while (nformats--)
-	{
-	    if (format->type == PictTypeIndexed &&
-		format->index.pColormap == pColormap)
-	    {
-		(*ps->UpdateIndexed) (pScreen, format, ndef, pdef);
-		break;
-	    }
-	    format++;
-	}
-    }
-}
-
-static int
-visualDepth (ScreenPtr pScreen, VisualPtr pVisual)
-{
-    int		d, v;
-    DepthPtr	pDepth;
-
-    for (d = 0; d < pScreen->numDepths; d++)
-    {
-	pDepth = &pScreen->allowedDepths[d];
-	for (v = 0; v < pDepth->numVids; v++)
-	    if (pDepth->vids[v] == pVisual->vid)
-		return pDepth->depth;
-    }
-    return 0;
-}
-
-typedef struct _formatInit {
-    CARD32  format;
-    CARD8   depth;
-} FormatInitRec, *FormatInitPtr;
-
-static int
-addFormat (FormatInitRec    formats[256],
-	   int		    nformat,
-	   CARD32	    format,
-	   CARD8	    depth)
-{
-    int	n;
-
-    for (n = 0; n < nformat; n++)
-	if (formats[n].format == format && formats[n].depth == depth)
-	    return nformat;
-    formats[nformat].format = format;
-    formats[nformat].depth = depth;
-    return ++nformat;
-}
-
-#define Mask(n)	((n) == 32 ? 0xffffffff : ((1 << (n))-1))
-
-PictFormatPtr
-PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
-{
-    int		    nformats, f;
-    PictFormatPtr   pFormats;
-    FormatInitRec   formats[1024];
-    CARD32	    format;
-    CARD8	    depth;
-    VisualPtr	    pVisual;
-    int		    v;
-    int		    bpp;
-    int		    type;
-    int		    r, g, b;
-    int		    d;
-    DepthPtr	    pDepth;
-
-    nformats = 0;
-    /* formats required by protocol */
-    formats[nformats].format = PICT_a1;
-    formats[nformats].depth = 1;
-    nformats++;
-    formats[nformats].format = PICT_a8;
-    formats[nformats].depth = 8;
-    nformats++;
-    formats[nformats].format = PICT_a4;
-    formats[nformats].depth = 4;
-    nformats++;
-    formats[nformats].format = PICT_a8r8g8b8;
-    formats[nformats].depth = 32;
-    nformats++;
-    formats[nformats].format = PICT_x8r8g8b8;
-    formats[nformats].depth = 32;
-    nformats++;
-
-    /* now look through the depths and visuals adding other formats */
-    for (v = 0; v < pScreen->numVisuals; v++)
-    {
-	pVisual = &pScreen->visuals[v];
-	depth = visualDepth (pScreen, pVisual);
-	if (!depth)
-	    continue;
-    	bpp = BitsPerPixel (depth);
-	switch (pVisual->class) {
-	case DirectColor:
-	case TrueColor:
-	    r = Ones (pVisual->redMask);
-	    g = Ones (pVisual->greenMask);
-	    b = Ones (pVisual->blueMask);
-	    type = PICT_TYPE_OTHER;
-	    /*
-	     * Current rendering code supports only two direct formats,
-	     * fields must be packed together at the bottom of the pixel
-	     * and must be either RGB or BGR
-	     */
-	    if (pVisual->offsetBlue == 0 &&
-		pVisual->offsetGreen == b &&
-		pVisual->offsetRed == b + g)
-	    {
-		type = PICT_TYPE_ARGB;
-	    }
-	    else if (pVisual->offsetRed == 0 &&
-		     pVisual->offsetGreen == r && 
-		     pVisual->offsetBlue == r + g)
-	    {
-		type = PICT_TYPE_ABGR;
-	    }
-	    if (type != PICT_TYPE_OTHER)
-	    {
-		format = PICT_FORMAT(bpp, type, 0, r, g, b);
-		nformats = addFormat (formats, nformats, format, depth);
-	    }
-	    break;
-	case StaticColor:
-	case PseudoColor:
-	    format = PICT_VISFORMAT (bpp, PICT_TYPE_COLOR, v);
-	    nformats = addFormat (formats, nformats, format, depth);
-	    break;
-	case StaticGray:
-	case GrayScale:
-	    format = PICT_VISFORMAT (bpp, PICT_TYPE_GRAY, v);
-	    nformats = addFormat (formats, nformats, format, depth);
-	    break;
-	}
-    }
-    /*
-     * Walk supported depths and add useful Direct formats
-     */
-    for (d = 0; d < pScreen->numDepths; d++)
-    {
-	pDepth = &pScreen->allowedDepths[d];
-	bpp = BitsPerPixel (pDepth->depth);
-	format = 0;
-	switch (bpp) {
-	case 16:
-	    /* depth 12 formats */
-	    if (pDepth->depth >= 12)
-	    {
-		nformats = addFormat (formats, nformats,
-				      PICT_x4r4g4b4, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_x4b4g4r4, pDepth->depth);
-	    }
-	    /* depth 15 formats */
-	    if (pDepth->depth >= 15)
-	    {
-		nformats = addFormat (formats, nformats,
-				      PICT_x1r5g5b5, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_x1b5g5r5, pDepth->depth);
-	    }
-	    /* depth 16 formats */
-	    if (pDepth->depth >= 16) 
-	    {
-		nformats = addFormat (formats, nformats,
-				      PICT_a1r5g5b5, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_a1b5g5r5, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_r5g6b5, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_b5g6r5, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_a4r4g4b4, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_a4b4g4r4, pDepth->depth);
-	    }
-	    break;
-	case 24:
-	    if (pDepth->depth >= 24)
-	    {
-		nformats = addFormat (formats, nformats,
-				      PICT_r8g8b8, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_b8g8r8, pDepth->depth);
-	    }
-	    break;
-	case 32:
-	    if (pDepth->depth >= 24)
-	    {
-		nformats = addFormat (formats, nformats,
-				      PICT_x8r8g8b8, pDepth->depth);
-		nformats = addFormat (formats, nformats,
-				      PICT_x8b8g8r8, pDepth->depth);
-	    }
-	    break;
-	}
-    }
-    
-
-    pFormats = (PictFormatPtr) xalloc (nformats * sizeof (PictFormatRec));
-    if (!pFormats)
-	return 0;
-    memset (pFormats, '\0', nformats * sizeof (PictFormatRec));
-    for (f = 0; f < nformats; f++)
-    {
-        pFormats[f].id = FakeClientID (0);
-	pFormats[f].depth = formats[f].depth;
-	format = formats[f].format;
-	pFormats[f].format = format;
-	switch (PICT_FORMAT_TYPE(format)) {
-	case PICT_TYPE_ARGB:
-	    pFormats[f].type = PictTypeDirect;
-	    
-	    pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
-	    if (pFormats[f].direct.alphaMask)
-		pFormats[f].direct.alpha = (PICT_FORMAT_R(format) +
-					    PICT_FORMAT_G(format) +
-					    PICT_FORMAT_B(format));
-	    
-	    pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format));
-	    pFormats[f].direct.red = (PICT_FORMAT_G(format) + 
-				      PICT_FORMAT_B(format));
-	    
-	    pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format));
-	    pFormats[f].direct.green = PICT_FORMAT_B(format);
-	    
-	    pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format));
-	    pFormats[f].direct.blue = 0;
-	    break;
-
-	case PICT_TYPE_ABGR:
-	    pFormats[f].type = PictTypeDirect;
-	    
-	    pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
-	    if (pFormats[f].direct.alphaMask)
-		pFormats[f].direct.alpha = (PICT_FORMAT_B(format) +
-					    PICT_FORMAT_G(format) +
-					    PICT_FORMAT_R(format));
-	    
-	    pFormats[f].direct.blueMask = Mask(PICT_FORMAT_B(format));
-	    pFormats[f].direct.blue = (PICT_FORMAT_G(format) + 
-				       PICT_FORMAT_R(format));
-	    
-	    pFormats[f].direct.greenMask = Mask(PICT_FORMAT_G(format));
-	    pFormats[f].direct.green = PICT_FORMAT_R(format);
-	    
-	    pFormats[f].direct.redMask = Mask(PICT_FORMAT_R(format));
-	    pFormats[f].direct.red = 0;
-	    break;
-
-	case PICT_TYPE_A:
-	    pFormats[f].type = PictTypeDirect;
-
-	    pFormats[f].direct.alpha = 0;
-	    pFormats[f].direct.alphaMask = Mask(PICT_FORMAT_A(format));
-
-	    /* remaining fields already set to zero */
-	    break;
-	    
-	case PICT_TYPE_COLOR:
-	case PICT_TYPE_GRAY:
-	    pFormats[f].type = PictTypeIndexed;
-	    pFormats[f].index.vid = pScreen->visuals[PICT_FORMAT_VIS(format)].vid;
-	    break;
-	}
-    }
-    *nformatp = nformats;
-    return pFormats;
-}
-
-static VisualPtr
-PictureFindVisual (ScreenPtr pScreen, VisualID visual)
-{
-    int         i;
-    VisualPtr   pVisual;
-    for (i = 0, pVisual = pScreen->visuals;
-         i < pScreen->numVisuals;
-         i++, pVisual++)
-    {
-        if (pVisual->vid == visual)
-            return pVisual;
-    }
-    return 0;
-}
-
-Bool
-PictureInitIndexedFormats (ScreenPtr pScreen)
-{
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-    PictFormatPtr	format;
-    int			nformat;
-
-    if (!ps)
-	return FALSE;
-    format = ps->formats;
-    nformat = ps->nformats;
-    while (nformat--)
-    {
-	if (format->type == PictTypeIndexed && !format->index.pColormap)
-	{
-	    if (format->index.vid == pScreen->rootVisual)
-		format->index.pColormap = (ColormapPtr) LookupIDByType(pScreen->defColormap,
-								       RT_COLORMAP);
-	    else
-	    {
-                VisualPtr   pVisual;
-
-                pVisual = PictureFindVisual (pScreen, format->index.vid);
-		if (CreateColormap (FakeClientID (0), pScreen,
-				    pVisual,
-				    &format->index.pColormap, AllocNone,
-				    0) != Success)
-		{
-		    return FALSE;
-		}
-	    }
-	    if (!(*ps->InitIndexed) (pScreen, format))
-		return FALSE;
-	}
-	format++;
-    }
-    return TRUE;
-}
-
-Bool
-PictureFinishInit (void)
-{
-    int	    s;
-
-    for (s = 0; s < screenInfo.numScreens; s++)
-    {
-	if (!PictureInitIndexedFormats (screenInfo.screens[s]))
-	    return FALSE;
-	(void) AnimCurInit (screenInfo.screens[s]);
-    }
-
-    return TRUE;
-}
-
-Bool
-PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel)
-{
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-
-    if (!ps)
-	return FALSE;
-    ps->subpixel = subpixel;
-    return TRUE;
-    
-}
-
-int
-PictureGetSubpixelOrder (ScreenPtr pScreen)
-{
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-
-    if (!ps)
-	return SubPixelUnknown;
-    return ps->subpixel;
-}
-    
-PictFormatPtr
-PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual)
-{
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-    PictFormatPtr	format;
-    int			nformat;
-    int			type;
-
-    if (!ps)
-	return 0;
-    format = ps->formats;
-    nformat = ps->nformats;
-    switch (pVisual->class) {
-    case StaticGray:
-    case GrayScale:
-    case StaticColor:
-    case PseudoColor:
-	type = PictTypeIndexed;
-	break;
-    case TrueColor:
-    case DirectColor:
-	type = PictTypeDirect;
-	break;
-    default:
-	return 0;
-    }
-    while (nformat--)
-    {
-	if (format->depth == depth && format->type == type)
-	{
-	    if (type == PictTypeIndexed)
-	    {
-		if (format->index.vid == pVisual->vid)
-		    return format;
-	    }
-	    else
-	    {
-		if (format->direct.redMask << format->direct.red == 
-		    pVisual->redMask &&
-		    format->direct.greenMask << format->direct.green == 
-		    pVisual->greenMask &&
-		    format->direct.blueMask << format->direct.blue == 
-		    pVisual->blueMask)
-		{
-		    return format;
-		}
-	    }
-	}
-	format++;
-    }
-    return 0;
-}
-
-PictFormatPtr
-PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 f)
-{
-    PictureScreenPtr    ps = GetPictureScreenIfSet(pScreen);
-    PictFormatPtr	format;
-    int			nformat;
-
-    if (!ps)
-	return 0;
-    format = ps->formats;
-    nformat = ps->nformats;
-    while (nformat--)
-    {
-	if (format->depth == depth && format->format == (f & 0xffffff))
-	    return format;
-	format++;
-    }
-    return 0;
-}
-
-int
-PictureParseCmapPolicy (const char *name)
-{
-    if ( strcmp (name, "default" ) == 0)
-	return PictureCmapPolicyDefault;
-    else if ( strcmp (name, "mono" ) == 0)
-	return PictureCmapPolicyMono;
-    else if ( strcmp (name, "gray" ) == 0)
-	return PictureCmapPolicyGray;
-    else if ( strcmp (name, "color" ) == 0)
-	return PictureCmapPolicyColor;
-    else if ( strcmp (name, "all" ) == 0)
-	return PictureCmapPolicyAll;
-    else
-	return PictureCmapPolicyInvalid;
-}
-
-Bool
-PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
-    PictureScreenPtr	ps;
-    int			n;
-    CARD32		type, a, r, g, b;
-    
-    if (PictureGeneration != serverGeneration)
-    {
-	PictureType = CreateNewResourceType (FreePicture);
-	if (!PictureType)
-	    return FALSE;
-	PictFormatType = CreateNewResourceType (FreePictFormat);
-	if (!PictFormatType)
-	    return FALSE;
-	GlyphSetType = CreateNewResourceType (FreeGlyphSet);
-	if (!GlyphSetType)
-	    return FALSE;
-	PictureScreenPrivateIndex = AllocateScreenPrivateIndex();
-	if (PictureScreenPrivateIndex < 0)
-	    return FALSE;
-	PictureWindowPrivateIndex = AllocateWindowPrivateIndex();
-	PictureGeneration = serverGeneration;
-#ifdef XResExtension
-	RegisterResourceName (PictureType, "PICTURE");
-	RegisterResourceName (PictFormatType, "PICTFORMAT");
-	RegisterResourceName (GlyphSetType, "GLYPHSET");
-#endif
-    }
-    if (!AllocateWindowPrivate (pScreen, PictureWindowPrivateIndex, 0))
-	return FALSE;
-    
-    if (!formats)
-    {
-	formats = PictureCreateDefaultFormats (pScreen, &nformats);
-	if (!formats)
-	    return FALSE;
-    }
-    for (n = 0; n < nformats; n++)
-    {
-	if (!AddResource (formats[n].id, PictFormatType, (pointer) (formats+n)))
-	{
-	    xfree (formats);
-	    return FALSE;
-	}
-	if (formats[n].type == PictTypeIndexed)
-	{
-            VisualPtr   pVisual = PictureFindVisual (pScreen, formats[n].index.vid);
-	    if ((pVisual->class | DynamicClass) == PseudoColor)
-		type = PICT_TYPE_COLOR;
-	    else
-		type = PICT_TYPE_GRAY;
-	    a = r = g = b = 0;
-	}
-	else
-	{
-	    if ((formats[n].direct.redMask|
-		 formats[n].direct.blueMask|
-		 formats[n].direct.greenMask) == 0)
-		type = PICT_TYPE_A;
-	    else if (formats[n].direct.red > formats[n].direct.blue)
-		type = PICT_TYPE_ARGB;
-	    else
-		type = PICT_TYPE_ABGR;
-	    a = Ones (formats[n].direct.alphaMask);
-	    r = Ones (formats[n].direct.redMask);
-	    g = Ones (formats[n].direct.greenMask);
-	    b = Ones (formats[n].direct.blueMask);
-	}
-	formats[n].format = PICT_FORMAT(0,type,a,r,g,b);
-    }
-    ps = (PictureScreenPtr) xalloc (sizeof (PictureScreenRec));
-    if (!ps)
-    {
-	xfree (formats);
-	return FALSE;
-    }
-    SetPictureScreen(pScreen, ps);
-    if (!GlyphInit (pScreen))
-    {
-	SetPictureScreen(pScreen, 0);
-	xfree (formats);
-	xfree (ps);
-	return FALSE;
-    }
-
-    ps->totalPictureSize = sizeof (PictureRec);
-    ps->PicturePrivateSizes = 0;
-    ps->PicturePrivateLen = 0;
-    
-    ps->formats = formats;
-    ps->fallback = formats;
-    ps->nformats = nformats;
-    
-    ps->filters = 0;
-    ps->nfilters = 0;
-    ps->filterAliases = 0;
-    ps->nfilterAliases = 0;
-
-    ps->subpixel = SubPixelUnknown;
-
-    ps->CloseScreen = pScreen->CloseScreen;
-    ps->DestroyWindow = pScreen->DestroyWindow;
-    ps->StoreColors = pScreen->StoreColors;
-    pScreen->DestroyWindow = PictureDestroyWindow;
-    pScreen->CloseScreen = PictureCloseScreen;
-    pScreen->StoreColors = PictureStoreColors;
-
-    if (!PictureSetDefaultFilters (pScreen))
-    {
-	PictureResetFilters (pScreen);
-	SetPictureScreen(pScreen, 0);
-	xfree (formats);
-	xfree (ps);
-	return FALSE;
-    }
-
-    return TRUE;
-}
-
-void
-SetPictureToDefaults (PicturePtr    pPicture)
-{
-    pPicture->refcnt = 1;
-    pPicture->repeat = 0;
-    pPicture->graphicsExposures = FALSE;
-    pPicture->subWindowMode = ClipByChildren;
-    pPicture->polyEdge = PolyEdgeSharp;
-    pPicture->polyMode = PolyModePrecise;
-    pPicture->freeCompClip = FALSE;
-    pPicture->clientClipType = CT_NONE;
-    pPicture->componentAlpha = FALSE;
-    pPicture->repeatType = RepeatNone;
-
-    pPicture->alphaMap = 0;
-    pPicture->alphaOrigin.x = 0;
-    pPicture->alphaOrigin.y = 0;
-
-    pPicture->clipOrigin.x = 0;
-    pPicture->clipOrigin.y = 0;
-    pPicture->clientClip = 0;
-
-    pPicture->transform = 0;
-
-    pPicture->dither = None;
-    pPicture->filter = PictureGetFilterId (FilterNearest, -1, TRUE);
-    pPicture->filter_params = 0;
-    pPicture->filter_nparams = 0;
-
-    pPicture->serialNumber = GC_CHANGE_SERIAL_BIT;
-    pPicture->stateChanges = (1 << (CPLastBit+1)) - 1;
-    pPicture->pSourcePict = 0;
-}
-
-PicturePtr
-AllocatePicture (ScreenPtr  pScreen)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pScreen);
-    PicturePtr		pPicture;
-    char		*ptr;
-    DevUnion		*ppriv;
-    unsigned int    	*sizes;
-    unsigned int    	size;
-    int			i;
-
-    pPicture = (PicturePtr) xalloc (ps->totalPictureSize);
-    if (!pPicture)
-	return 0;
-    ppriv = (DevUnion *)(pPicture + 1);
-    pPicture->devPrivates = ppriv;
-    sizes = ps->PicturePrivateSizes;
-    ptr = (char *)(ppriv + ps->PicturePrivateLen);
-    for (i = ps->PicturePrivateLen; --i >= 0; ppriv++, sizes++)
-    {
-	if ( (size = *sizes) )
-	{
-	    ppriv->ptr = (pointer)ptr;
-	    ptr += size;
-	}
-	else
-	    ppriv->ptr = (pointer)NULL;
-    }
-    return pPicture;
-}
-
-PicturePtr
-CreatePicture (Picture		pid,
-	       DrawablePtr	pDrawable,
-	       PictFormatPtr	pFormat,
-	       Mask		vmask,
-	       XID		*vlist,
-	       ClientPtr	client,
-	       int		*error)
-{
-    PicturePtr		pPicture;
-    PictureScreenPtr	ps = GetPictureScreen(pDrawable->pScreen);
-
-    pPicture = AllocatePicture (pDrawable->pScreen);
-    if (!pPicture)
-    {
-	*error = BadAlloc;
-	return 0;
-    }
-
-    pPicture->id = pid;
-    pPicture->pDrawable = pDrawable;
-    pPicture->pFormat = pFormat;
-    pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24);
-    if (pDrawable->type == DRAWABLE_PIXMAP)
-    {
-	++((PixmapPtr)pDrawable)->refcnt;
-	pPicture->pNext = 0;
-    }
-    else
-    {
-	pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable));
-	SetPictureWindow(((WindowPtr) pDrawable), pPicture);
-    }
-
-    SetPictureToDefaults (pPicture);
-    
-    if (vmask)
-	*error = ChangePicture (pPicture, vmask, vlist, 0, client);
-    else
-	*error = Success;
-    if (*error == Success)
-	*error = (*ps->CreatePicture) (pPicture);
-    if (*error != Success)
-    {
-	FreePicture (pPicture, (XID) 0);
-	pPicture = 0;
-    }
-    return pPicture;
-}
-
-static CARD32 xRenderColorToCard32(xRenderColor c)
-{
-    return
-        (c.alpha >> 8 << 24) |
-        (c.red >> 8 << 16) |
-        (c.green & 0xff00) |
-        (c.blue >> 8);
-}
-
-static unsigned int premultiply(unsigned int x)
-{
-    unsigned int a = x >> 24;
-    unsigned int t = (x & 0xff00ff) * a;
-    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
-    t &= 0xff00ff;
-
-    x = ((x >> 8) & 0xff) * a;
-    x = (x + ((x >> 8) & 0xff) + 0x80);
-    x &= 0xff00;
-    x |= t | (a << 24);
-    return x;
-}
-
-static unsigned int INTERPOLATE_PIXEL_256(unsigned int x, unsigned int a,
-                                          unsigned int y, unsigned int b)
-{
-    CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
-    t >>= 8;
-    t &= 0xff00ff;
-
-    x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
-    x &= 0xff00ff00;
-    x |= t;
-    return x;
-}
-
-static void initGradientColorTable(SourcePictPtr pGradient, int *error)
-{
-    int begin_pos, end_pos;
-    xFixed incr, dpos;
-    int pos, current_stop;
-    PictGradientStopPtr stops = pGradient->linear.stops;
-    int nstops = pGradient->linear.nstops;
-
-    /* The position where the gradient begins and ends */
-    begin_pos = (stops[0].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
-    end_pos = (stops[nstops - 1].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
-
-    pos = 0; /* The position in the color table. */
-
-    /* Up to first point */
-    while (pos <= begin_pos) {
-        pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[0].color);
-        ++pos;
-    }
-
-    incr =  (1<<16)/ PICT_GRADIENT_STOPTABLE_SIZE; /* the double increment. */
-    dpos = incr * pos; /* The position in terms of 0-1. */
-
-    current_stop = 0; /* We always interpolate between current and current + 1. */
-
-    /* Gradient area */
-    while (pos < end_pos) {
-        unsigned int current_color = xRenderColorToCard32(stops[current_stop].color);
-        unsigned int next_color = xRenderColorToCard32(stops[current_stop + 1].color);
-
-        int dist = (int)(256*(dpos - stops[current_stop].x)
-                         / (stops[current_stop+1].x - stops[current_stop].x));
-        int idist = 256 - dist;
-
-        pGradient->linear.colorTable[pos] = premultiply(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist));
-
-        ++pos;
-        dpos += incr;
-
-        if (dpos > stops[current_stop + 1].x)
-            ++current_stop;
-    }
-
-    /* After last point */
-    while (pos < PICT_GRADIENT_STOPTABLE_SIZE) {
-        pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[nstops - 1].color);
-        ++pos;
-    }
-}
-
-static void initGradient(SourcePictPtr pGradient, int stopCount,
-                         xFixed *stopPoints, xRenderColor *stopColors, int *error)
-{
-    int i;
-    xFixed dpos;
-
-    if (stopCount <= 0) {
-        *error = BadValue;
-        return;
-    }
-
-    dpos = -1;
-    for (i = 0; i < stopCount; ++i) {
-        if (stopPoints[i] <= dpos || stopPoints[i] > (1<<16)) {
-            *error = BadValue;
-            return;
-        }
-        dpos = stopPoints[i];
-    }
-
-    pGradient->linear.stops = xalloc(stopCount*sizeof(PictGradientStop));
-    if (!pGradient->linear.stops) {
-        *error = BadAlloc;
-        return;
-    }
-
-    pGradient->linear.nstops = stopCount;
-
-    for (i = 0; i < stopCount; ++i) {
-        pGradient->linear.stops[i].x = stopPoints[i];
-        pGradient->linear.stops[i].color = stopColors[i];
-    }
-    initGradientColorTable(pGradient, error);
-}
-
-static PicturePtr createSourcePicture(void)
-{
-    PicturePtr pPicture;
-    pPicture = (PicturePtr) xalloc(sizeof(PictureRec));
-    pPicture->pDrawable = 0;
-    pPicture->pFormat = 0;
-    pPicture->pNext = 0;
-
-    SetPictureToDefaults(pPicture);
-    return pPicture;
-}
-
-PicturePtr
-CreateSolidPicture (Picture pid, xRenderColor *color, int *error)
-{
-    PicturePtr pPicture;
-    pPicture = createSourcePicture();
-    if (!pPicture) {
-        *error = BadAlloc;
-        return 0;
-    }
-
-    pPicture->id = pid;
-    pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictSolidFill));
-    if (!pPicture->pSourcePict) {
-        *error = BadAlloc;
-        xfree(pPicture);
-        return 0;
-    }
-    pPicture->pSourcePict->type = SourcePictTypeSolidFill;
-    pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color);
-    return pPicture;
-}
-
-PicturePtr
-CreateLinearGradientPicture (Picture pid, xPointFixed *p1, xPointFixed *p2,
-                             int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
-    PicturePtr pPicture;
-
-    if (nStops < 2) {
-        *error = BadValue;
-        return 0;
-    }
-
-    pPicture = createSourcePicture();
-    if (!pPicture) {
-        *error = BadAlloc;
-        return 0;
-    }
-    if (p1->x == p2->x && p1->y == p2->y) {
-        *error = BadValue;
-        return 0;
-    }
-
-    pPicture->id = pid;
-    pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictLinearGradient));
-    if (!pPicture->pSourcePict) {
-        *error = BadAlloc;
-        xfree(pPicture);
-        return 0;
-    }
-
-    pPicture->pSourcePict->linear.type = SourcePictTypeLinear;
-    pPicture->pSourcePict->linear.p1 = *p1;
-    pPicture->pSourcePict->linear.p2 = *p2;
-
-    initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
-    if (*error) {
-        xfree(pPicture);
-        return 0;
-    }
-    return pPicture;
-}
-
-#define FixedToDouble(x) ((x)/65536.)
-
-PicturePtr
-CreateRadialGradientPicture (Picture pid, xPointFixed *inner, xPointFixed *outer,
-                             xFixed innerRadius, xFixed outerRadius,
-                             int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
-    PicturePtr pPicture;
-    PictRadialGradient *radial;
-
-    if (nStops < 2) {
-        *error = BadValue;
-        return 0;
-    }
-
-    pPicture = createSourcePicture();
-    if (!pPicture) {
-        *error = BadAlloc;
-        return 0;
-    }
-    {
-        double dx = (double)(inner->x - outer->x);
-        double dy = (double)(inner->y - outer->y);
-        if (sqrt(dx*dx + dy*dy) + (double)(innerRadius) > (double)(outerRadius)) {
-            *error = BadValue;
-            return 0;
-        }
-    }
-
-    pPicture->id = pid;
-    pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictRadialGradient));
-    if (!pPicture->pSourcePict) {
-        *error = BadAlloc;
-        xfree(pPicture);
-        return 0;
-    }
-    radial = &pPicture->pSourcePict->radial;
-
-    radial->type = SourcePictTypeRadial;
-    {
-        double x = (double)innerRadius / (double)outerRadius;
-        radial->dx = (outer->x - inner->x);
-        radial->dy = (outer->y - inner->y);
-        radial->fx = (inner->x) - x*radial->dx;
-        radial->fy = (inner->y) - x*radial->dy;
-        radial->m = 1./(1+x);
-        radial->b = -x*radial->m;
-        radial->dx /= 65536.;
-        radial->dy /= 65536.;
-        radial->fx /= 65536.;
-        radial->fy /= 65536.;
-        x = outerRadius/65536.;
-        radial->a = x*x - radial->dx*radial->dx - radial->dy*radial->dy;
-    }
-
-    initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
-    if (*error) {
-        xfree(pPicture);
-        return 0;
-    }
-    return pPicture;
-}
-
-PicturePtr
-CreateConicalGradientPicture (Picture pid, xPointFixed *center, xFixed angle,
-                              int nStops, xFixed *stops, xRenderColor *colors, int *error)
-{
-    PicturePtr pPicture;
-
-    if (nStops < 2) {
-        *error = BadValue;
-        return 0;
-    }
-
-    pPicture = createSourcePicture();
-    if (!pPicture) {
-        *error = BadAlloc;
-        return 0;
-    }
-
-    pPicture->id = pid;
-    pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictConicalGradient));
-    if (!pPicture->pSourcePict) {
-        *error = BadAlloc;
-        xfree(pPicture);
-        return 0;
-    }
-
-    pPicture->pSourcePict->conical.type = SourcePictTypeConical;
-    pPicture->pSourcePict->conical.center = *center;
-    pPicture->pSourcePict->conical.angle = angle;
-
-    initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
-    if (*error) {
-        xfree(pPicture);
-        return 0;
-    }
-    return pPicture;
-}
-
-#define NEXT_VAL(_type) (vlist ? (_type) *vlist++ : (_type) ulist++->val)
-
-#define NEXT_PTR(_type) ((_type) ulist++->ptr)
-
-int
-ChangePicture (PicturePtr	pPicture,
-	       Mask		vmask,
-	       XID		*vlist,
-	       DevUnion		*ulist,
-	       ClientPtr	client)
-{
-    ScreenPtr pScreen = pPicture->pDrawable ? pPicture->pDrawable->pScreen : 0;
-    PictureScreenPtr ps = pScreen ? GetPictureScreen(pScreen) : 0;
-    BITS32		index2;
-    int			error = 0;
-    BITS32		maskQ;
-    
-    pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
-    maskQ = vmask;
-    while (vmask && !error)
-    {
-	index2 = (BITS32) lowbit (vmask);
-	vmask &= ~index2;
-	pPicture->stateChanges |= index2;
-	switch (index2)
-	{
-	case CPRepeat:
-	    {
-		unsigned int	newr;
-		newr = NEXT_VAL(unsigned int);
-		if (newr <= RepeatReflect)
-		{
-		    pPicture->repeat = (newr != RepeatNone);
-		    pPicture->repeatType = newr;
-		}
-		else
-		{
-		    client->errorValue = newr;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	case CPAlphaMap:
-	    {
-		PicturePtr  pAlpha;
-		
-		if (vlist)
-		{
-		    Picture	pid = NEXT_VAL(Picture);
-
-		    if (pid == None)
-			pAlpha = 0;
-		    else
-		    {
-			pAlpha = (PicturePtr) SecurityLookupIDByType(client,
-								     pid, 
-								     PictureType, 
-								     SecurityWriteAccess|SecurityReadAccess);
-			if (!pAlpha)
-			{
-			    client->errorValue = pid;
-			    error = BadPixmap;
-			    break;
-			}
-			if (pAlpha->pDrawable->type != DRAWABLE_PIXMAP)
-			{
-			    client->errorValue = pid;
-			    error = BadMatch;
-			    break;
-			}
-		    }
-		}
-		else
-		    pAlpha = NEXT_PTR(PicturePtr);
-		if (!error)
-		{
-		    if (pAlpha && pAlpha->pDrawable->type == DRAWABLE_PIXMAP)
-			pAlpha->refcnt++;
-		    if (pPicture->alphaMap)
-			FreePicture ((pointer) pPicture->alphaMap, (XID) 0);
-		    pPicture->alphaMap = pAlpha;
-		}
-	    }
-	    break;
-	case CPAlphaXOrigin:
-	    pPicture->alphaOrigin.x = NEXT_VAL(INT16);
-	    break;
-	case CPAlphaYOrigin:
-	    pPicture->alphaOrigin.y = NEXT_VAL(INT16);
-	    break;
-	case CPClipXOrigin:
-	    pPicture->clipOrigin.x = NEXT_VAL(INT16);
-	    break;
-	case CPClipYOrigin:
-	    pPicture->clipOrigin.y = NEXT_VAL(INT16);
-	    break;
-	case CPClipMask:
-	    {
-		Pixmap	    pid;
-		PixmapPtr   pPixmap;
-		int	    clipType;
-                if (!pScreen)
-                    return BadDrawable;
-
-		if (vlist)
-		{
-		    pid = NEXT_VAL(Pixmap);
-		    if (pid == None)
-		    {
-			clipType = CT_NONE;
-			pPixmap = NullPixmap;
-		    }
-		    else
-		    {
-			clipType = CT_PIXMAP;
-			pPixmap = (PixmapPtr)SecurityLookupIDByType(client,
-								    pid, 
-								    RT_PIXMAP,
-								    SecurityReadAccess);
-			if (!pPixmap)
-			{
-			    client->errorValue = pid;
-			    error = BadPixmap;
-			    break;
-			}
-		    }
-		}
-		else
-		{
-		    pPixmap = NEXT_PTR(PixmapPtr);
-		    if (pPixmap)
-			clipType = CT_PIXMAP;
-		    else
-			clipType = CT_NONE;
-		}
-
-		if (pPixmap)
-		{
-		    if ((pPixmap->drawable.depth != 1) ||
-			(pPixmap->drawable.pScreen != pScreen))
-		    {
-			error = BadMatch;
-			break;
-		    }
-		    else
-		    {
-			clipType = CT_PIXMAP;
-			pPixmap->refcnt++;
-		    }
-		}
-		error = (*ps->ChangePictureClip)(pPicture, clipType,
-						 (pointer)pPixmap, 0);
-		break;
-	    }
-	case CPGraphicsExposure:
-	    {
-		unsigned int	newe;
-		newe = NEXT_VAL(unsigned int);
-		if (newe <= xTrue)
-		    pPicture->graphicsExposures = newe;
-		else
-		{
-		    client->errorValue = newe;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	case CPSubwindowMode:
-	    {
-		unsigned int	news;
-		news = NEXT_VAL(unsigned int);
-		if (news == ClipByChildren || news == IncludeInferiors)
-		    pPicture->subWindowMode = news;
-		else
-		{
-		    client->errorValue = news;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	case CPPolyEdge:
-	    {
-		unsigned int	newe;
-		newe = NEXT_VAL(unsigned int);
-		if (newe == PolyEdgeSharp || newe == PolyEdgeSmooth)
-		    pPicture->polyEdge = newe;
-		else
-		{
-		    client->errorValue = newe;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	case CPPolyMode:
-	    {
-		unsigned int	newm;
-		newm = NEXT_VAL(unsigned int);
-		if (newm == PolyModePrecise || newm == PolyModeImprecise)
-		    pPicture->polyMode = newm;
-		else
-		{
-		    client->errorValue = newm;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	case CPDither:
-	    pPicture->dither = NEXT_VAL(Atom);
-	    break;
-	case CPComponentAlpha:
-	    {
-		unsigned int	newca;
-
-		newca = NEXT_VAL (unsigned int);
-		if (newca <= xTrue)
-		    pPicture->componentAlpha = newca;
-		else
-		{
-		    client->errorValue = newca;
-		    error = BadValue;
-		}
-	    }
-	    break;
-	default:
-	    client->errorValue = maskQ;
-	    error = BadValue;
-	    break;
-	}
-    }
-    if (ps)
-        (*ps->ChangePicture) (pPicture, maskQ);
-    return error;
-}
-
-int
-SetPictureClipRects (PicturePtr	pPicture,
-		     int	xOrigin,
-		     int	yOrigin,
-		     int	nRect,
-		     xRectangle	*rects)
-{
-    ScreenPtr		pScreen = pPicture->pDrawable->pScreen;
-    PictureScreenPtr	ps = GetPictureScreen(pScreen);
-    RegionPtr		clientClip;
-    int			result;
-
-    clientClip = RECTS_TO_REGION(pScreen,
-				 nRect, rects, CT_UNSORTED);
-    if (!clientClip)
-	return BadAlloc;
-    result =(*ps->ChangePictureClip) (pPicture, CT_REGION, 
-				      (pointer) clientClip, 0);
-    if (result == Success)
-    {
-	pPicture->clipOrigin.x = xOrigin;
-	pPicture->clipOrigin.y = yOrigin;
-	pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
-	pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
-    }
-    return result;
-}
-
-int
-SetPictureClipRegion (PicturePtr    pPicture,
-                      int           xOrigin,
-                      int           yOrigin,
-                      RegionPtr     pRegion)
-{
-    ScreenPtr           pScreen = pPicture->pDrawable->pScreen;
-    PictureScreenPtr    ps = GetPictureScreen(pScreen);
-    RegionPtr           clientClip;
-    int                 result;
-    int                 type;
-
-    if (pRegion)
-    {
-        type = CT_REGION;
-        clientClip = REGION_CREATE (pScreen,
-                                    REGION_EXTENTS(pScreen, pRegion),
-                                    REGION_NUM_RECTS(pRegion));
-        if (!clientClip)
-            return BadAlloc;
-        if (!REGION_COPY (pSCreen, clientClip, pRegion))
-        {
-            REGION_DESTROY (pScreen, clientClip);
-            return BadAlloc;
-        }
-    }
-    else
-    {
-        type = CT_NONE;
-        clientClip = 0;
-    }
-
-    result =(*ps->ChangePictureClip) (pPicture, type,
-                                      (pointer) clientClip, 0);
-    if (result == Success)
-    {
-        pPicture->clipOrigin.x = xOrigin;
-        pPicture->clipOrigin.y = yOrigin;
-        pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
-        pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
-    }
-    return result;
-}
-
-
-int
-SetPictureTransform (PicturePtr	    pPicture,
-		     PictTransform  *transform)
-{
-    static const PictTransform	identity = { {
-	{ xFixed1, 0x00000, 0x00000 },
-	{ 0x00000, xFixed1, 0x00000 },
-	{ 0x00000, 0x00000, xFixed1 },
-    } };
-
-    if (transform && memcmp (transform, &identity, sizeof (PictTransform)) == 0)
-	transform = 0;
-    
-    if (transform)
-    {
-	if (!pPicture->transform)
-	{
-	    pPicture->transform = (PictTransform *) xalloc (sizeof (PictTransform));
-	    if (!pPicture->transform)
-		return BadAlloc;
-	}
-	*pPicture->transform = *transform;
-    }
-    else
-    {
-	if (pPicture->transform)
-	{
-	    xfree (pPicture->transform);
-	    pPicture->transform = 0;
-	}
-    }
-    pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
-
-    return Success;
-}
-
-void
-CopyPicture (PicturePtr	pSrc,
-	     Mask	mask,
-	     PicturePtr	pDst)
-{
-    PictureScreenPtr ps = GetPictureScreen(pSrc->pDrawable->pScreen);
-    Mask origMask = mask;
-
-    pDst->serialNumber |= GC_CHANGE_SERIAL_BIT;
-    pDst->stateChanges |= mask;
-
-    while (mask) {
-	Mask bit = lowbit(mask);
-
-	switch (bit)
-	{
-	case CPRepeat:
-	    pDst->repeat = pSrc->repeat;
-	    pDst->repeatType = pSrc->repeatType;
-	    break;
-	case CPAlphaMap:
-	    if (pSrc->alphaMap && pSrc->alphaMap->pDrawable->type == DRAWABLE_PIXMAP)
-		pSrc->alphaMap->refcnt++;
-	    if (pDst->alphaMap)
-		FreePicture ((pointer) pDst->alphaMap, (XID) 0);
-	    pDst->alphaMap = pSrc->alphaMap;
-	    break;
-	case CPAlphaXOrigin:
-	    pDst->alphaOrigin.x = pSrc->alphaOrigin.x;
-	    break;
-	case CPAlphaYOrigin:
-	    pDst->alphaOrigin.y = pSrc->alphaOrigin.y;
-	    break;
-	case CPClipXOrigin:
-	    pDst->clipOrigin.x = pSrc->clipOrigin.x;
-	    break;
-	case CPClipYOrigin:
-	    pDst->clipOrigin.y = pSrc->clipOrigin.y;
-	    break;
-	case CPClipMask:
-	    switch (pSrc->clientClipType) {
-	    case CT_NONE:
-		(*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
-		break;
-	    case CT_REGION:
-		if (!pSrc->clientClip) {
-		    (*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
-		} else {
-		    RegionPtr clientClip;
-		    RegionPtr srcClientClip = (RegionPtr)pSrc->clientClip;
-
-		    clientClip = REGION_CREATE(pSrc->pDrawable->pScreen,
-			REGION_EXTENTS(pSrc->pDrawable->pScreen, srcClientClip),
-			REGION_NUM_RECTS(srcClientClip));
-		    (*ps->ChangePictureClip)(pDst, CT_REGION, clientClip, 0);
-		}
-		break;
-	    default:
-		/* XXX: CT_PIXMAP unimplemented */
-		break;
-	    }
-	    break;
-	case CPGraphicsExposure:
-	    pDst->graphicsExposures = pSrc->graphicsExposures;
-	    break;
-	case CPPolyEdge:
-	    pDst->polyEdge = pSrc->polyEdge;
-	    break;
-	case CPPolyMode:
-	    pDst->polyMode = pSrc->polyMode;
-	    break;
-	case CPDither:
-	    pDst->dither = pSrc->dither;
-	    break;
-	case CPComponentAlpha:
-	    pDst->componentAlpha = pSrc->componentAlpha;
-	    break;
-	}
-	mask &= ~bit;
-    }
-
-    (*ps->ChangePicture)(pDst, origMask);
-}
-
-static void
-ValidateOnePicture (PicturePtr pPicture)
-{
-    if (pPicture->pDrawable && pPicture->serialNumber != pPicture->pDrawable->serialNumber)
-    {
-	PictureScreenPtr    ps = GetPictureScreen(pPicture->pDrawable->pScreen);
-
-	(*ps->ValidatePicture) (pPicture, pPicture->stateChanges);
-	pPicture->stateChanges = 0;
-	pPicture->serialNumber = pPicture->pDrawable->serialNumber;
-    }
-}
-
-void
-ValidatePicture(PicturePtr pPicture)
-{
-    ValidateOnePicture (pPicture);
-    if (pPicture->alphaMap)
-	ValidateOnePicture (pPicture->alphaMap);
-}
-
-int
-FreePicture (pointer	value,
-	     XID	pid)
-{
-    PicturePtr	pPicture = (PicturePtr) value;
-
-    if (--pPicture->refcnt == 0)
-    {
-	if (pPicture->transform)
-	    xfree (pPicture->transform);
-        if (!pPicture->pDrawable) {
-            if (pPicture->pSourcePict) {
-                if (pPicture->pSourcePict->type != SourcePictTypeSolidFill)
-                    xfree(pPicture->pSourcePict->linear.stops);
-                xfree(pPicture->pSourcePict);
-            }
-        } else {
-            ScreenPtr	    pScreen = pPicture->pDrawable->pScreen;
-            PictureScreenPtr    ps = GetPictureScreen(pScreen);
-	
-            if (pPicture->alphaMap)
-                FreePicture ((pointer) pPicture->alphaMap, (XID) 0);
-            (*ps->DestroyPicture) (pPicture);
-            (*ps->DestroyPictureClip) (pPicture);
-            if (pPicture->pDrawable->type == DRAWABLE_WINDOW)
-            {
-                WindowPtr	pWindow = (WindowPtr) pPicture->pDrawable;
-                PicturePtr	*pPrev;
-
-                for (pPrev = (PicturePtr *) &((pWindow)->devPrivates[PictureWindowPrivateIndex].ptr);
-                     *pPrev;
-                     pPrev = &(*pPrev)->pNext)
-                {
-                    if (*pPrev == pPicture)
-                    {
-                        *pPrev = pPicture->pNext;
-                        break;
-                    }
-                }
-            }
-            else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP)
-            {
-                (*pScreen->DestroyPixmap) ((PixmapPtr)pPicture->pDrawable);
-            }
-        }
-	xfree (pPicture);
-    }
-    return Success;
-}
-
-int
-FreePictFormat (pointer	pPictFormat,
-		XID     pid)
-{
-    return Success;
-}
-
-void
-CompositePicture (CARD8		op,
-		  PicturePtr	pSrc,
-		  PicturePtr	pMask,
-		  PicturePtr	pDst,
-		  INT16		xSrc,
-		  INT16		ySrc,
-		  INT16		xMask,
-		  INT16		yMask,
-		  INT16		xDst,
-		  INT16		yDst,
-		  CARD16	width,
-		  CARD16	height)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    if (pMask)
-	ValidatePicture (pMask);
-    ValidatePicture (pDst);
-    (*ps->Composite) (op,
-		       pSrc,
-		       pMask,
-		       pDst,
-		       xSrc,
-		       ySrc,
-		       xMask,
-		       yMask,
-		       xDst,
-		       yDst,
-		       width,
-		       height);
-}
-
-void
-CompositeGlyphs (CARD8		op,
-		 PicturePtr	pSrc,
-		 PicturePtr	pDst,
-		 PictFormatPtr	maskFormat,
-		 INT16		xSrc,
-		 INT16		ySrc,
-		 int		nlist,
-		 GlyphListPtr	lists,
-		 GlyphPtr	*glyphs)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    ValidatePicture (pDst);
-    (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs);
-}
-
-void
-CompositeRects (CARD8		op,
-		PicturePtr	pDst,
-		xRenderColor	*color,
-		int		nRect,
-		xRectangle      *rects)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pDst);
-    (*ps->CompositeRects) (op, pDst, color, nRect, rects);
-}
-
-void
-CompositeTrapezoids (CARD8	    op,
-		     PicturePtr	    pSrc,
-		     PicturePtr	    pDst,
-		     PictFormatPtr  maskFormat,
-		     INT16	    xSrc,
-		     INT16	    ySrc,
-		     int	    ntrap,
-		     xTrapezoid	    *traps)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    ValidatePicture (pDst);
-    (*ps->Trapezoids) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, traps);
-}
-
-void
-CompositeTriangles (CARD8	    op,
-		    PicturePtr	    pSrc,
-		    PicturePtr	    pDst,
-		    PictFormatPtr   maskFormat,
-		    INT16	    xSrc,
-		    INT16	    ySrc,
-		    int		    ntriangles,
-		    xTriangle	    *triangles)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    ValidatePicture (pDst);
-    (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntriangles, triangles);
-}
-
-void
-CompositeTriStrip (CARD8	    op,
-		   PicturePtr	    pSrc,
-		   PicturePtr	    pDst,
-		   PictFormatPtr    maskFormat,
-		   INT16	    xSrc,
-		   INT16	    ySrc,
-		   int		    npoints,
-		   xPointFixed	    *points)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    ValidatePicture (pDst);
-    (*ps->TriStrip) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
-}
-
-void
-CompositeTriFan (CARD8		op,
-		 PicturePtr	pSrc,
-		 PicturePtr	pDst,
-		 PictFormatPtr	maskFormat,
-		 INT16		xSrc,
-		 INT16		ySrc,
-		 int		npoints,
-		 xPointFixed	*points)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pDst->pDrawable->pScreen);
-    
-    ValidatePicture (pSrc);
-    ValidatePicture (pDst);
-    (*ps->TriFan) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
-}
-
-void
-AddTraps (PicturePtr	pPicture,
-	  INT16		xOff,
-	  INT16		yOff,
-	  int		ntrap,
-	  xTrap		*traps)
-{
-    PictureScreenPtr	ps = GetPictureScreen(pPicture->pDrawable->pScreen);
-    
-    ValidatePicture (pPicture);
-    (*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps);
-}
-
-#define MAX_FIXED_48_16	    ((xFixed_48_16) 0x7fffffff)
-#define MIN_FIXED_48_16	    (-((xFixed_48_16) 1 << 31))
-
-Bool
-PictureTransformPoint3d (PictTransformPtr transform,
-                         PictVectorPtr	vector)
-{
-    PictVector	    result;
-    int		    i, j;
-    xFixed_32_32    partial;
-    xFixed_48_16    v;
-
-    for (j = 0; j < 3; j++)
-    {
-	v = 0;
-	for (i = 0; i < 3; i++)
-	{
-	    partial = ((xFixed_48_16) transform->matrix[j][i] *
-		       (xFixed_48_16) vector->vector[i]);
-	    v += partial >> 16;
-	}
-	if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
-	    return FALSE;
-	result.vector[j] = (xFixed) v;
-    }
-    if (!result.vector[2])
-	return FALSE;
-    *vector = result;
-    return TRUE;
-}
-
-
-Bool
-PictureTransformPoint (PictTransformPtr transform,
-		       PictVectorPtr	vector)
-{
-    PictVector	    result;
-    int		    i, j;
-    xFixed_32_32    partial;
-    xFixed_48_16    v;
-
-    for (j = 0; j < 3; j++)
-    {
-	v = 0;
-	for (i = 0; i < 3; i++)
-	{
-	    partial = ((xFixed_48_16) transform->matrix[j][i] * 
-		       (xFixed_48_16) vector->vector[i]);
-	    v += partial >> 16;
-	}
-	if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
-	    return FALSE;
-	result.vector[j] = (xFixed) v;
-    }
-    if (!result.vector[2])
-	return FALSE;
-    for (j = 0; j < 2; j++)
-    {
-	partial = (xFixed_48_16) result.vector[j] << 16;
-	v = partial / result.vector[2];
-	if (v > MAX_FIXED_48_16 || v < MIN_FIXED_48_16)
-	    return FALSE;
-	vector->vector[j] = (xFixed) v;
-    }
-    vector->vector[2] = xFixed1;
-    return TRUE;
-}