R6.6 is the Xorg base-lineXORG-MAIN

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diff --git a/include/scrnintstr.h b/include/scrnintstr.h
new file mode 100644
index 000000000..ea821c7ff
--- /dev/null
+++ b/include/scrnintstr.h
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+/* $Xorg: scrnintstr.h,v 1.4 2001/02/09 02:05:15 xorgcvs Exp $ */
+/***********************************************************
+
+Copyright 1987, 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.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+******************************************************************/
+#ifndef SCREENINTSTRUCT_H
+#define SCREENINTSTRUCT_H
+
+#include "screenint.h"
+#include "miscstruct.h"
+#include "region.h"
+#include "pixmap.h"
+#include "gc.h"
+#include "colormap.h"
+#include "cursor.h"
+#include "validate.h"
+#include "window.h"
+#include "X11/Xproto.h"
+#include "dix.h"
+
+typedef struct _PixmapFormat {
+    unsigned char	depth;
+    unsigned char	bitsPerPixel;
+    unsigned char	scanlinePad;
+    } PixmapFormatRec;
+    
+typedef struct _Visual {
+    VisualID		vid;
+    short		class;
+    short		bitsPerRGBValue;
+    short		ColormapEntries;
+    short		nplanes;/* = log2 (ColormapEntries). This does not
+				 * imply that the screen has this many planes.
+				 * it may have more or fewer */
+    unsigned long	redMask, greenMask, blueMask;
+    int			offsetRed, offsetGreen, offsetBlue;
+  } VisualRec;
+
+typedef struct _Depth {
+    unsigned char	depth;
+    short		numVids;
+    VisualID		*vids;    /* block of visual ids for this depth */
+  } DepthRec;
+
+
+/*
+ *  There is a typedef for each screen function pointer so that code that
+ *  needs to declare a screen function pointer (e.g. in a screen private
+ *  or as a local variable) can easily do so and retain full type checking.
+ */
+
+typedef    Bool (* CloseScreenProcPtr)(
+#if NeedNestedPrototypes
+	int /*index*/,
+	ScreenPtr /*pScreen*/
+#endif
+);
+
+typedef    void (* QueryBestSizeProcPtr)(
+#if NeedNestedPrototypes
+	int /*class*/,
+	unsigned short * /*pwidth*/,
+	unsigned short * /*pheight*/,
+	ScreenPtr /*pScreen*/
+#endif
+);
+
+typedef    Bool (* SaveScreenProcPtr)(
+#if NeedNestedPrototypes
+	 ScreenPtr /*pScreen*/,
+	 int /*on*/
+#endif
+);
+
+typedef    void (* GetImageProcPtr)(
+#if NeedNestedPrototypes
+	DrawablePtr /*pDrawable*/,
+	int /*sx*/,
+	int /*sy*/,
+	int /*w*/,
+	int /*h*/,
+	unsigned int /*format*/,
+	unsigned long /*planeMask*/,
+	char * /*pdstLine*/
+#endif
+);
+
+typedef    void (* GetSpansProcPtr)(
+#if NeedNestedPrototypes
+	DrawablePtr /*pDrawable*/,
+	int /*wMax*/,
+	DDXPointPtr /*ppt*/,
+	int* /*pwidth*/,
+	int /*nspans*/,
+	char * /*pdstStart*/
+#endif
+);
+
+typedef    void (* PointerNonInterestBoxProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	BoxPtr /*pBox*/
+#endif
+);
+
+typedef    void (* SourceValidateProcPtr)(
+#if NeedNestedPrototypes
+	DrawablePtr /*pDrawable*/,
+	int /*x*/,
+	int /*y*/,
+	int /*width*/,
+	int /*height*/
+#endif
+);
+
+typedef    Bool (* CreateWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/
+#endif
+);
+
+typedef    Bool (* DestroyWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/
+#endif
+);
+
+typedef    Bool (* PositionWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	int /*x*/,
+	int /*y*/
+#endif
+);
+
+typedef    Bool (* ChangeWindowAttributesProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	unsigned long /*mask*/
+#endif
+);
+
+typedef    Bool (* RealizeWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/
+#endif
+);
+
+typedef    Bool (* UnrealizeWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/
+#endif
+);
+
+typedef    int  (* ValidateTreeProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pParent*/,
+	WindowPtr /*pChild*/,
+	VTKind /*kind*/
+#endif
+);
+
+typedef    void (* PostValidateTreeProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pParent*/,
+	WindowPtr /*pChild*/,
+	VTKind /*kind*/
+#endif
+);
+
+typedef    void (* WindowExposuresProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	RegionPtr /*prgn*/,
+	RegionPtr /*other_exposed*/
+#endif
+);
+
+typedef    void (* PaintWindowBackgroundProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	RegionPtr /*pRegion*/,
+	int /*what*/
+#endif
+);
+
+typedef    void (* PaintWindowBorderProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	RegionPtr /*pRegion*/,
+	int /*what*/
+#endif
+);
+
+typedef    void (* CopyWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	DDXPointRec /*ptOldOrg*/,
+	RegionPtr /*prgnSrc*/
+#endif
+);
+
+typedef    void (* ClearToBackgroundProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	int /*x*/,
+	int /*y*/,
+	int /*w*/,
+	int /*h*/,
+	Bool /*generateExposures*/
+#endif
+);
+
+typedef    void (* ClipNotifyProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	int /*dx*/,
+	int /*dy*/
+#endif
+);
+
+typedef    PixmapPtr (* CreatePixmapProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	int /*width*/,
+	int /*height*/,
+	int /*depth*/
+#endif
+);
+
+typedef    Bool (* DestroyPixmapProcPtr)(
+#if NeedNestedPrototypes
+	PixmapPtr /*pPixmap*/
+#endif
+);
+
+typedef    void (* SaveDoomedAreasProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	RegionPtr /*prgnSave*/,
+	int /*xorg*/,
+	int /*yorg*/
+#endif
+);
+
+typedef    RegionPtr (* RestoreAreasProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	RegionPtr /*prgnRestore*/
+#endif
+);
+
+typedef    void (* ExposeCopyProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pSrc*/,
+	DrawablePtr /*pDst*/,
+	GCPtr /*pGC*/,
+	RegionPtr /*prgnExposed*/,
+	int /*srcx*/,
+	int /*srcy*/,
+	int /*dstx*/,
+	int /*dsty*/,
+	unsigned long /*plane*/
+#endif
+);
+
+typedef    RegionPtr (* TranslateBackingStoreProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	int /*windx*/,
+	int /*windy*/,
+	RegionPtr /*oldClip*/,
+	int /*oldx*/,
+	int /*oldy*/
+#endif
+);
+
+typedef    RegionPtr (* ClearBackingStoreProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	int /*x*/,
+	int /*y*/,
+	int /*w*/,
+	int /*h*/,
+	Bool /*generateExposures*/
+#endif
+);
+
+typedef    void (* DrawGuaranteeProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWindow*/,
+	GCPtr /*pGC*/,
+	int /*guarantee*/
+#endif
+);
+    
+typedef    Bool (* RealizeFontProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	FontPtr /*pFont*/
+#endif
+);
+
+typedef    Bool (* UnrealizeFontProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	FontPtr /*pFont*/
+#endif
+);
+
+typedef    void (* ConstrainCursorProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	BoxPtr /*pBox*/
+#endif
+);
+
+typedef    void (* CursorLimitsProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	CursorPtr /*pCursor*/,
+	BoxPtr /*pHotBox*/,
+	BoxPtr /*pTopLeftBox*/
+#endif
+);
+
+typedef    Bool (* DisplayCursorProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	CursorPtr /*pCursor*/
+#endif
+);
+
+typedef    Bool (* RealizeCursorProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	CursorPtr /*pCursor*/
+#endif
+);
+
+typedef    Bool (* UnrealizeCursorProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	CursorPtr /*pCursor*/
+#endif
+);
+
+typedef    void (* RecolorCursorProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	CursorPtr /*pCursor*/,
+	Bool /*displayed*/
+#endif
+);
+
+typedef    Bool (* SetCursorPositionProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	int /*x*/,
+	int /*y*/,
+	Bool /*generateEvent*/
+#endif
+);
+
+typedef    Bool (* CreateGCProcPtr)(
+#if NeedNestedPrototypes
+	GCPtr /*pGC*/
+#endif
+);
+
+typedef    Bool (* CreateColormapProcPtr)(
+#if NeedNestedPrototypes
+	ColormapPtr /*pColormap*/
+#endif
+);
+
+typedef    void (* DestroyColormapProcPtr)(
+#if NeedNestedPrototypes
+	ColormapPtr /*pColormap*/
+#endif
+);
+
+typedef    void (* InstallColormapProcPtr)(
+#if NeedNestedPrototypes
+	ColormapPtr /*pColormap*/
+#endif
+);
+
+typedef    void (* UninstallColormapProcPtr)(
+#if NeedNestedPrototypes
+	ColormapPtr /*pColormap*/
+#endif
+);
+
+typedef    int (* ListInstalledColormapsProcPtr) (
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/,
+	XID* /*pmaps */
+#endif
+);
+
+typedef    void (* StoreColorsProcPtr)(
+#if NeedNestedPrototypes
+	ColormapPtr /*pColormap*/,
+	int /*ndef*/,
+	xColorItem * /*pdef*/
+#endif
+);
+
+typedef    void (* ResolveColorProcPtr)(
+#if NeedNestedPrototypes
+	unsigned short* /*pred*/,
+	unsigned short* /*pgreen*/,
+	unsigned short* /*pblue*/,
+	VisualPtr /*pVisual*/
+#endif
+);
+
+typedef    RegionPtr (* RegionCreateProcPtr)(
+#if NeedNestedPrototypes
+	BoxPtr /*rect*/,
+	int /*size*/
+#endif
+);
+
+typedef    void (* RegionInitProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/,
+	BoxPtr /*rect*/,
+	int /*size*/
+#endif
+);
+
+typedef    Bool (* RegionCopyProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*dst*/,
+	RegionPtr /*src*/
+#endif
+);
+
+typedef    void (* RegionDestroyProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/
+#endif
+);
+
+typedef    void (* RegionUninitProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/
+#endif
+);
+
+typedef    Bool (* IntersectProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*newReg*/,
+	RegionPtr /*reg1*/,
+	RegionPtr /*reg2*/
+#endif
+);
+
+typedef    Bool (* UnionProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*newReg*/,
+	RegionPtr /*reg1*/,
+	RegionPtr /*reg2*/
+#endif
+);
+
+typedef    Bool (* SubtractProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*regD*/,
+	RegionPtr /*regM*/,
+	RegionPtr /*regS*/
+#endif
+);
+
+typedef    Bool (* InverseProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*newReg*/,
+	RegionPtr /*reg1*/,
+	BoxPtr /*invRect*/
+#endif
+);
+
+typedef    void (* RegionResetProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/,
+	BoxPtr /*pBox*/
+#endif
+);
+
+typedef    void (* TranslateRegionProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/,
+	int /*x*/,
+	int /*y*/
+#endif
+);
+
+typedef    int (* RectInProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*region*/,
+	BoxPtr /*prect*/
+#endif
+);
+
+typedef    Bool (* PointInRegionProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/,
+	int /*x*/,
+	int /*y*/,
+	BoxPtr /*box*/
+#endif
+);
+
+typedef    Bool (* RegionNotEmptyProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/
+#endif
+);
+
+typedef    void (* RegionEmptyProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/
+#endif
+);
+
+typedef    BoxPtr (* RegionExtentsProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*pReg*/
+#endif
+);
+
+typedef    Bool (* RegionAppendProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*dstrgn*/,
+	RegionPtr /*rgn*/
+#endif
+);
+
+typedef    Bool (* RegionValidateProcPtr)(
+#if NeedNestedPrototypes
+	RegionPtr /*badreg*/,
+	Bool* /*pOverlap*/
+#endif
+);
+
+typedef    RegionPtr (* BitmapToRegionProcPtr)(
+#if NeedNestedPrototypes
+	PixmapPtr /*pPix*/
+#endif
+);
+
+typedef    RegionPtr (* RectsToRegionProcPtr)(
+#if NeedNestedPrototypes
+	int /*nrects*/,
+	xRectangle* /*prect*/,
+	int /*ctype*/
+#endif
+);
+
+typedef    void (* SendGraphicsExposeProcPtr)(
+#if NeedNestedPrototypes
+	ClientPtr /*client*/,
+	RegionPtr /*pRgn*/,
+	XID /*drawable*/,
+	int /*major*/,
+	int /*minor*/
+#endif
+);
+
+typedef    void (* ScreenBlockHandlerProcPtr)(
+#if NeedNestedPrototypes
+	int /*screenNum*/,
+	pointer /*blockData*/,
+	struct timeval ** /*pTimeout*/,
+	pointer /*pReadmask*/
+#endif
+);
+
+typedef    void (* ScreenWakeupHandlerProcPtr)(
+#if NeedNestedPrototypes
+	 int /*screenNum*/,
+	 pointer /*wakeupData*/,
+	 unsigned long /*result*/,
+	 pointer /*pReadMask*/
+#endif
+);
+
+typedef    Bool (* CreateScreenResourcesProcPtr)(
+#if NeedNestedPrototypes
+	ScreenPtr /*pScreen*/
+#endif
+);
+
+typedef    Bool (* ModifyPixmapHeaderProcPtr)(
+#if NeedNestedPrototypes
+	PixmapPtr /*pPixmap*/,
+	int /*width*/,
+	int /*height*/,
+	int /*depth*/,
+	int /*bitsPerPixel*/,
+	int /*devKind*/,
+	pointer /*pPixData*/
+#endif
+);
+
+typedef    void (* MarkWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWin*/
+#endif
+);
+
+typedef    Bool (* MarkOverlappedWindowsProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*parent*/,
+	WindowPtr /*firstChild*/,
+	WindowPtr * /*pLayerWin*/
+#endif
+);
+
+typedef    Bool (* ChangeSaveUnderProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pLayerWin*/,
+	WindowPtr /*firstChild*/
+#endif
+);
+
+typedef    void (* PostChangeSaveUnderProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pLayerWin*/,
+	WindowPtr /*firstChild*/
+#endif
+);
+
+typedef    void (* MoveWindowProcPtr)(
+#if NeedNestedPrototypes
+	WindowPtr /*pWin*/,
+	int /*x*/,
+	int /*y*/,
+	WindowPtr /*pSib*/,
+	VTKind /*kind*/
+#endif
+);
+
+typedef    void (* ResizeWindowProcPtr)(
+#if NeedNestedPrototypes
+    WindowPtr /*pWin*/,
+    int /*x*/,
+    int /*y*/, 
+    unsigned int /*w*/,
+    unsigned int /*h*/,
+    WindowPtr /*pSib*/
+#endif
+);
+
+typedef    WindowPtr (* GetLayerWindowProcPtr)(
+#if NeedNestedPrototypes
+    WindowPtr /*pWin*/
+#endif
+);
+
+typedef    void (* HandleExposuresProcPtr)(
+#if NeedNestedPrototypes
+    WindowPtr /*pWin*/
+#endif
+);
+
+typedef    void (* ReparentWindowProcPtr)(
+#if NeedNestedPrototypes
+    WindowPtr /*pWin*/,
+    WindowPtr /*pPriorParent*/
+#endif
+);
+
+#ifdef SHAPE
+typedef    void (* SetShapeProcPtr)(
+#if NeedFunctionPrototypes
+	WindowPtr /*pWin*/
+#endif
+);
+#endif /* SHAPE */
+
+typedef    void (* ChangeBorderWidthProcPtr)(
+#if NeedFunctionPrototypes
+	WindowPtr /*pWin*/,
+	unsigned int /*width*/
+#endif
+);
+
+typedef    void (* MarkUnrealizedWindowProcPtr)(
+#if NeedFunctionPrototypes
+	WindowPtr /*pChild*/,
+	WindowPtr /*pWin*/,
+	Bool /*fromConfigure*/
+#endif
+);
+
+typedef struct _Screen {
+    int			myNum;	/* index of this instance in Screens[] */
+    ATOM		id;
+    short		width, height;
+    short		mmWidth, mmHeight;
+    short		numDepths;
+    unsigned char      	rootDepth;
+    DepthPtr       	allowedDepths;
+    unsigned long      	rootVisual;
+    unsigned long	defColormap;
+    short		minInstalledCmaps, maxInstalledCmaps;
+    char                backingStoreSupport, saveUnderSupport;
+    unsigned long	whitePixel, blackPixel;
+    unsigned long	rgf;	/* array of flags; she's -- HUNGARIAN */
+    GCPtr		GCperDepth[MAXFORMATS+1];
+			/* next field is a stipple to use as default in
+			   a GC.  we don't build default tiles of all depths
+			   because they are likely to be of a color
+			   different from the default fg pixel, so
+			   we don't win anything by building
+			   a standard one.
+			*/
+    PixmapPtr		PixmapPerDepth[1];
+    pointer		devPrivate;
+    short       	numVisuals;
+    VisualPtr		visuals;
+    int			WindowPrivateLen;
+    unsigned		*WindowPrivateSizes;
+    unsigned		totalWindowSize;
+    int			GCPrivateLen;
+    unsigned		*GCPrivateSizes;
+    unsigned		totalGCSize;
+
+    /* Random screen procedures */
+
+    CloseScreenProcPtr		CloseScreen;
+    QueryBestSizeProcPtr	QueryBestSize;
+    SaveScreenProcPtr		SaveScreen;
+    GetImageProcPtr		GetImage;
+    GetSpansProcPtr		GetSpans;
+    PointerNonInterestBoxProcPtr PointerNonInterestBox;
+    SourceValidateProcPtr	SourceValidate;
+
+    /* Window Procedures */
+
+    CreateWindowProcPtr		CreateWindow;
+    DestroyWindowProcPtr	DestroyWindow;
+    PositionWindowProcPtr	PositionWindow;
+    ChangeWindowAttributesProcPtr ChangeWindowAttributes;
+    RealizeWindowProcPtr	RealizeWindow;
+    UnrealizeWindowProcPtr	UnrealizeWindow;
+    ValidateTreeProcPtr		ValidateTree;
+    PostValidateTreeProcPtr	PostValidateTree;
+    WindowExposuresProcPtr	WindowExposures;
+    PaintWindowBackgroundProcPtr PaintWindowBackground;
+    PaintWindowBorderProcPtr	PaintWindowBorder;
+    CopyWindowProcPtr		CopyWindow;
+    ClearToBackgroundProcPtr	ClearToBackground;
+    ClipNotifyProcPtr		ClipNotify;
+
+    /* Pixmap procedures */
+
+    CreatePixmapProcPtr		CreatePixmap;
+    DestroyPixmapProcPtr	DestroyPixmap;
+
+    /* Backing store procedures */
+
+    SaveDoomedAreasProcPtr	SaveDoomedAreas;
+    RestoreAreasProcPtr		RestoreAreas;
+    ExposeCopyProcPtr		ExposeCopy;
+    TranslateBackingStoreProcPtr TranslateBackingStore;
+    ClearBackingStoreProcPtr	ClearBackingStore;
+    DrawGuaranteeProcPtr	DrawGuarantee;
+    
+    /* Font procedures */
+
+    RealizeFontProcPtr		RealizeFont;
+    UnrealizeFontProcPtr	UnrealizeFont;
+
+    /* Cursor Procedures */
+
+    ConstrainCursorProcPtr	ConstrainCursor;
+    CursorLimitsProcPtr		CursorLimits;
+    DisplayCursorProcPtr	DisplayCursor;
+    RealizeCursorProcPtr	RealizeCursor;
+    UnrealizeCursorProcPtr	UnrealizeCursor;
+    RecolorCursorProcPtr	RecolorCursor;
+    SetCursorPositionProcPtr	SetCursorPosition;
+
+    /* GC procedures */
+
+    CreateGCProcPtr		CreateGC;
+
+    /* Colormap procedures */
+
+    CreateColormapProcPtr	CreateColormap;
+    DestroyColormapProcPtr	DestroyColormap;
+    InstallColormapProcPtr	InstallColormap;
+    UninstallColormapProcPtr	UninstallColormap;
+    ListInstalledColormapsProcPtr ListInstalledColormaps;
+    StoreColorsProcPtr		StoreColors;
+    ResolveColorProcPtr		ResolveColor;
+
+    /* Region procedures */
+
+    RegionCreateProcPtr		RegionCreate;
+    RegionInitProcPtr		RegionInit;
+    RegionCopyProcPtr		RegionCopy;
+    RegionDestroyProcPtr	RegionDestroy;
+    RegionUninitProcPtr		RegionUninit;
+    IntersectProcPtr		Intersect;
+    UnionProcPtr		Union;
+    SubtractProcPtr		Subtract;
+    InverseProcPtr		Inverse;
+    RegionResetProcPtr		RegionReset;
+    TranslateRegionProcPtr	TranslateRegion;
+    RectInProcPtr		RectIn;
+    PointInRegionProcPtr	PointInRegion;
+    RegionNotEmptyProcPtr	RegionNotEmpty;
+    RegionEmptyProcPtr		RegionEmpty;
+    RegionExtentsProcPtr	RegionExtents;
+    RegionAppendProcPtr		RegionAppend;
+    RegionValidateProcPtr	RegionValidate;
+    BitmapToRegionProcPtr	BitmapToRegion;
+    RectsToRegionProcPtr	RectsToRegion;
+    SendGraphicsExposeProcPtr	SendGraphicsExpose;
+
+    /* os layer procedures */
+
+    ScreenBlockHandlerProcPtr	BlockHandler;
+    ScreenWakeupHandlerProcPtr	WakeupHandler;
+
+    pointer blockData;
+    pointer wakeupData;
+
+    /* anybody can get a piece of this array */
+    DevUnion	*devPrivates;
+
+    CreateScreenResourcesProcPtr CreateScreenResources;
+    ModifyPixmapHeaderProcPtr	ModifyPixmapHeader;
+
+    PixmapPtr pScratchPixmap;		/* scratch pixmap "pool" */
+
+#ifdef PIXPRIV
+    int			PixmapPrivateLen;
+    unsigned		*PixmapPrivateSizes;
+    unsigned		totalPixmapSize;
+#endif
+
+    MarkWindowProcPtr		MarkWindow;
+    MarkOverlappedWindowsProcPtr MarkOverlappedWindows;
+    ChangeSaveUnderProcPtr	ChangeSaveUnder;
+    PostChangeSaveUnderProcPtr	PostChangeSaveUnder;
+    MoveWindowProcPtr		MoveWindow;
+    ResizeWindowProcPtr		ResizeWindow;
+    GetLayerWindowProcPtr	GetLayerWindow;
+    HandleExposuresProcPtr	HandleExposures;
+    ReparentWindowProcPtr	ReparentWindow;
+
+#ifdef SHAPE
+    SetShapeProcPtr		SetShape;
+#endif /* SHAPE */
+
+    ChangeBorderWidthProcPtr	ChangeBorderWidth;
+    MarkUnrealizedWindowProcPtr	MarkUnrealizedWindow;
+
+} ScreenRec;
+
+typedef struct _ScreenInfo {
+    int		imageByteOrder;
+    int		bitmapScanlineUnit;
+    int		bitmapScanlinePad;
+    int		bitmapBitOrder;
+    int		numPixmapFormats;
+    PixmapFormatRec
+		formats[MAXFORMATS];
+    int		arraySize;
+    int		numScreens;
+    ScreenPtr	screens[MAXSCREENS];
+    int		numVideoScreens;
+} ScreenInfo;
+
+extern ScreenInfo screenInfo;
+
+extern void InitOutput(
+#if NeedFunctionPrototypes
+    ScreenInfo 	* /*pScreenInfo*/,
+    int     	/*argc*/,
+    char    	** /*argv*/
+#endif
+);
+
+#endif /* SCREENINTSTRUCT_H */