multibufst.h@ 17234

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1	/*
2	* $Xorg: multibufst.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $
3	*
4	Copyright 1989, 1998 The Open Group
5
6	Permission to use, copy, modify, distribute, and sell this software and its
7	documentation for any purpose is hereby granted without fee, provided that
8	the above copyright notice appear in all copies and that both that
9	copyright notice and this permission notice appear in supporting
10	documentation.
11
12	The above copyright notice and this permission notice shall be included in
13	all copies or substantial portions of the Software.
14
15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18	OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19	AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20	CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22	Except as contained in this notice, the name of The Open Group shall not be
23	used in advertising or otherwise to promote the sale, use or other dealings
24	in this Software without prior written authorization from The Open Group.
25	*/
26
27	/* $XFree86: xc/include/extensions/multibufst.h,v 3.8 2001/12/19 21:37:29 dawes Exp $ */
28
29	#ifndef _MULTIBUFST_H_
30	#define _MULTIBUFST_H_
31
32	/*
33	* Protocol requests constants and alignment values
34	*/
35
36	#include "multibuf.h"
37	#ifdef _MULTIBUF_SERVER_
38	#include "inputstr.h"
39	#endif
40
41	#if !defined(UNIXCPP) \|\| defined(ANSICPP)
42	#define MbufGetReq(name,req,info) GetReq (name, req); \
43	req->reqType = info->codes->major_opcode; \
44	req->mbufReqType = X_##name;
45	#else
46	#define MbufGetReq(name,req,info) GetReq (name, req); \
47	req->reqType = info->codes->major_opcode; \
48	req->mbufReqType = X_/**/name;
49	#endif
50
51	#define Window CARD32
52	#define Drawable CARD32
53	#define VisualID CARD32
54	#define Multibuffer CARD32
55
56	typedef struct xMbufBufferInfo {
57	CARD32 visualID B32; /* associated visual */
58	CARD16 maxBuffers B16; /* maximum supported buffers */
59	CARD8 depth; /* depth of visual (redundant) */
60	CARD8 unused;
61	} xMbufBufferInfo;
62	#define sz_xMbufBufferInfo 8
63
64	typedef struct {
65	BYTE type;
66	BYTE unused;
67	CARD16 sequenceNumber B16;
68	CARD32 buffer B32; /* affected buffer */
69	BYTE state; /* current status */
70	CARD8 unused1;
71	CARD16 unused2 B16;
72	CARD32 unused3 B32;
73	CARD32 unused4 B32;
74	CARD32 unused5 B32;
75	CARD32 unused6 B32;
76	CARD32 unused7 B32;
77	} xMbufClobberNotifyEvent;
78
79	typedef struct {
80	BYTE type;
81	BYTE unused;
82	CARD16 sequenceNumber B16;
83	CARD32 buffer B32; /* affected buffer */
84	CARD32 timeStamp B32; /* update time */
85	CARD32 unused1 B32;
86	CARD32 unused2 B32;
87	CARD32 unused3 B32;
88	CARD32 unused4 B32;
89	CARD32 unused5 B32;
90	CARD32 unused6 B32;
91	} xMbufUpdateNotifyEvent;
92
93	typedef struct {
94	CARD8 reqType; /* always codes->major_opcode */
95	CARD8 mbufReqType; /* always X_MbufGetBufferVersion */
96	CARD16 length B16;
97	} xMbufGetBufferVersionReq;
98	#define sz_xMbufGetBufferVersionReq 4
99
100	typedef struct {
101	BYTE type; /* X_Reply */
102	CARD8 unused; /* not used */
103	CARD16 sequenceNumber B16;
104	CARD32 length B32;
105	CARD8 majorVersion; /* major version of Multi-Buffering protocol */
106	CARD8 minorVersion; /* minor version of Multi-Buffering protocol */
107	CARD16 pad1 B16;
108	CARD32 pad2 B32;
109	CARD32 pad3 B32;
110	CARD32 pad4 B32;
111	CARD32 pad5 B32;
112	CARD32 pad6 B32;
113	} xMbufGetBufferVersionReply;
114	#define sz_xMbufGetBufferVersionReply 32
115
116	typedef struct {
117	CARD8 reqType; /* always codes->major_opcode */
118	CARD8 mbufReqType; /* always X_MbufCreateImageBuffers */
119	CARD16 length B16;
120	CARD32 window B32; /* associated window */
121	CARD8 updateAction; /* action at update */
122	CARD8 updateHint; /* hint as to frequency of updates */
123	CARD16 unused;
124	} xMbufCreateImageBuffersReq; /* followed by buffer ids */
125	#define sz_xMbufCreateImageBuffersReq 12
126
127	typedef struct {
128	BYTE type; /* X_Reply */
129	CARD8 unused; /* not used */
130	CARD16 sequenceNumber B16;
131	CARD32 length B32;
132	CARD16 numberBuffer B16; /* number successfully allocated */
133	CARD16 unused1 B16;
134	CARD32 unused2 B32;
135	CARD32 unused3 B32;
136	CARD32 unused4 B32;
137	CARD32 unused5 B32;
138	CARD32 unused6 B32;
139	} xMbufCreateImageBuffersReply;
140	#define sz_xMbufCreateImageBuffersReply 32
141
142	typedef struct {
143	CARD8 reqType; /* always codes->major_opcode */
144	CARD8 mbufReqType; /* always X_MbufDestroyImageBuffers */
145	CARD16 length B16;
146	CARD32 window B32; /* associated window */
147	} xMbufDestroyImageBuffersReq;
148	#define sz_xMbufDestroyImageBuffersReq 8
149
150	typedef struct {
151	CARD8 reqType; /* always codes->major_opcode */
152	CARD8 mbufReqType; /* always X_MbufDisplayImageBuffers */
153	CARD16 length B16;
154	CARD16 minDelay B16; /* minimum time between last update and now */
155	CARD16 maxDelay B16; /* maximum time between last update and now */
156	} xMbufDisplayImageBuffersReq; /* followed by list of buffers */
157	#define sz_xMbufDisplayImageBuffersReq 8
158
159	typedef struct {
160	CARD8 reqType; /* always codes->major_opcode */
161	CARD8 mbufReqType; /* always X_MbufSetMBufferAttributes */
162	CARD16 length B16;
163	CARD32 window B32; /* associated window */
164	CARD32 valueMask B32; /* modified entries */
165	} xMbufSetMBufferAttributesReq; /* followed by values */
166	#define sz_xMbufSetMBufferAttributesReq 12
167
168	typedef struct {
169	CARD8 reqType; /* always codes->major_opcode */
170	CARD8 mbufReqType; /* always X_MbufGetMBufferAttributes */
171	CARD16 length B16;
172	CARD32 window B32; /* associated window */
173	} xMbufGetMBufferAttributesReq;
174	#define sz_xMbufGetMBufferAttributesReq 8
175
176	typedef struct {
177	BYTE type; /* X_Reply */
178	CARD8 unused; /* not used */
179	CARD16 sequenceNumber B16;
180	CARD32 length B32;
181	CARD16 displayedBuffer B16; /* currently visible buffer */
182	CARD8 updateAction;
183	CARD8 updateHint;
184	CARD8 windowMode;
185	CARD8 unused0;
186	CARD16 unused1 B16;
187	CARD32 unused2 B32;
188	CARD32 unused3 B32;
189	CARD32 unused4 B32;
190	CARD32 unused5 B32;
191	} xMbufGetMBufferAttributesReply;
192	#define sz_xMbufGetMBufferAttributesReply 32
193
194	typedef struct {
195	CARD8 reqType; /* always codes->major_opcode */
196	CARD8 mbufReqType; /* always X_MbufSetBufferAttributes */
197	CARD16 length B16;
198	CARD32 buffer B32;
199	CARD32 valueMask B32;
200	} xMbufSetBufferAttributesReq; /* followed by values */
201	#define sz_xMbufSetBufferAttributesReq 12
202
203	typedef struct {
204	CARD8 reqType; /* always codes->major_opcode */
205	CARD8 mbufReqType; /* always X_MbufGetBufferAttributes */
206	CARD16 length B16;
207	CARD32 buffer B32;
208	} xMbufGetBufferAttributesReq;
209	#define sz_xMbufGetBufferAttributesReq 8
210
211	typedef struct {
212	BYTE type; /* X_Reply */
213	CARD8 unused; /* not used */
214	CARD16 sequenceNumber B16;
215	CARD32 length B32;
216	CARD32 window B32;
217	CARD32 eventMask B32;
218	CARD16 bufferIndex B16;
219	CARD8 side;
220	CARD8 unused0;
221	CARD32 unused1 B32;
222	CARD32 unused2 B32;
223	CARD32 unused3 B32;
224	} xMbufGetBufferAttributesReply;
225	#define sz_xMbufGetBufferAttributesReply 32
226
227	typedef struct {
228	CARD8 reqType; /* always codes->major_opcode */
229	CARD8 mbufReqType; /* always X_MbufGetBufferInfo */
230	CARD16 length B16;
231	Drawable drawable B32;
232	} xMbufGetBufferInfoReq;
233	#define sz_xMbufGetBufferInfoReq 8
234
235	typedef struct {
236	BYTE type; /* X_Reply */
237	CARD8 unused; /* not used */
238	CARD16 sequenceNumber B16;
239	CARD32 length B32;
240	CARD16 normalInfo B16;
241	CARD16 stereoInfo B16;
242	CARD32 unused1 B32;
243	CARD32 unused2 B32;
244	CARD32 unused3 B32;
245	CARD32 unused4 B32;
246	CARD32 unused5 B32;
247	} xMbufGetBufferInfoReply; /* followed by buffer infos */
248	#define sz_xMbufGetBufferInfoReply 32
249
250
251	typedef struct {
252	CARD8 reqType; /* always codes->major_opcode */
253	CARD8 mbufReqType; /* always X_MbufCreateStereoWindow */
254	CARD16 length B16;
255	CARD8 unused0;
256	CARD8 unused1;
257	CARD8 unused2;
258	CARD8 depth;
259	Window wid B32;
260	Window parent B32;
261	Multibuffer left B32; /* associated buffers */
262	Multibuffer right B32;
263	INT16 x B16;
264	INT16 y B16;
265	CARD16 width B16;
266	CARD16 height B16;
267	CARD16 borderWidth B16;
268	#if defined(__cplusplus) \|\| defined(c_plusplus)
269	CARD16 c_class B16;
270	#else
271	CARD16 class B16;
272	#endif
273	VisualID visual B32;
274	CARD32 mask B32;
275	} xMbufCreateStereoWindowReq; /* followed by value list */
276	#define sz_xMbufCreateStereoWindowReq 44
277
278	typedef struct {
279	CARD8 reqType; /* always codes->major_opcode */
280	CARD8 mbufReqType; /* always X_MbufClearImageBufferArea */
281	CARD16 length B16;
282	Multibuffer buffer B32;
283	INT16 x B16;
284	INT16 y B16;
285	CARD16 width B16;
286	CARD16 height B16;
287	CARD8 unused0;
288	CARD8 unused1;
289	CARD8 unused2;
290	BOOL exposures;
291	} xMbufClearImageBufferAreaReq;
292	#define sz_xMbufClearImageBufferAreaReq 20
293
294	#undef Window
295	#undef Drawable
296	#undef VisualID
297	#undef Multibuffer
298
299
300	#ifdef _MULTIBUF_SERVER_
301	/* Macros for wrapping and unwrapping functions */
302
303	#define SWAP_FUNC_VECTOR(pSTRUCT1,pSTRUCT2,DATA_TYPE,FUNC_NAME) \
304	{ \
305	DATA_TYPE (* tmpFn)(); \
306	\
307	tmpFn = pSTRUCT1->FUNC_NAME; \
308	pSTRUCT1->FUNC_NAME = pSTRUCT2->FUNC_NAME; \
309	pSTRUCT2->FUNC_NAME = tmpFn; \
310	}
311
312	#if !defined(UNIXCPP) \|\| defined(ANSICPP)
313	#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \
314	{ \
315	if ((pPRIV->funcsWrapped & FUNC_NAME##Mask) == 0) \
316	{ \
317	pPRIV->FUNC_NAME = pSCREEN->FUNC_NAME; \
318	pSCREEN->FUNC_NAME = PRIV_FUNC_NAME; \
319	pPRIV->funcsWrapped \|= FUNC_NAME##Mask; \
320	} \
321	}
322
323	#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
324	{ \
325	SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
326	pPRIV->funcsWrapped &= ~(FUNC_NAME##Mask); \
327	}
328
329	#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
330	{ \
331	if (MB_SCREEN_PRIV(pSCREEN)->mbufWindowCount) \
332	{ \
333	SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
334	pPRIV->funcsWrapped \|= FUNC_NAME##Mask; \
335	} \
336	}
337	#else
338	#define WRAP_SCREEN_FUNC(pSCREEN,pPRIV,FUNC_NAME, PRIV_FUNC_NAME) \
339	{ \
340	if ((pPRIV->funcsWrapped & FUNC_NAME/**/Mask) == 0) \
341	{ \
342	pPRIV->FUNC_NAME = pSCREEN->FUNC_NAME; \
343	pSCREEN->FUNC_NAME = PRIV_FUNC_NAME; \
344	pPRIV->funcsWrapped \|= FUNC_NAME/**/Mask; \
345	} \
346	}
347
348	#define UNWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
349	{ \
350	SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
351	pPRIV->funcsWrapped &= ~(FUNC_NAME/**/Mask); \
352	}
353
354	#define REWRAP_SCREEN_FUNC(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME) \
355	{ \
356	if (MB_SCREEN_PRIV(pSCREEN)->mbufWindowCount) \
357	{ \
358	SWAP_FUNC_VECTOR(pSCREEN,pPRIV,DATA_TYPE,FUNC_NAME); \
359	pPRIV->funcsWrapped \|= FUNC_NAME/**/Mask; \
360	} \
361	}
362	#endif
363
364	/* The _Multibuffer and _Multibuffers structures below refer to each other,
365	* so we need this forward declaration
366	*/
367	typedef struct _Multibuffers *MultibuffersPtr;
368
369	/*
370	* per-Multibuffer data
371	*/
372
373	typedef struct _Multibuffer {
374	MultibuffersPtr pMultibuffers; /* associated window data */
375	Mask eventMask; /* MultibufferClobberNotifyMask\|ExposureMask\|MultibufferUpdateNotifyMask */
376	Mask otherEventMask; /* mask of all other clients event masks */
377	OtherClients otherClients; / other clients that want events */
378	int number; /* index of this buffer into array */
379	int side; /* always Mono */
380	int clobber; /* Unclobbered, PartiallyClobbered, FullClobbered */
381	PixmapPtr pPixmap; /* associated pixmap */
382	} MultibufferRec, *MultibufferPtr;
383
384	/*
385	* per-window data
386	*/
387
388	typedef struct _Multibuffers {
389	WindowPtr pWindow; /* associated window */
390	int numMultibuffer; /* count of buffers */
391	int refcnt; /* ref count for delete */
392	int displayedMultibuffer; /* currently active buffer */
393	int updateAction; /* Undefined, Background, Untouched, Copied */
394	int updateHint; /* Frequent, Intermittent, Static */
395	int windowMode; /* always Mono */
396
397	TimeStamp lastUpdate; /* time of last update */
398
399	unsigned short width, height; /* last known window size */
400	short x, y; /* for static gravity */
401
402	MultibufferPtr buffers; /* array of numMultibuffer buffers */
403	} MultibuffersRec;
404
405	/*
406	* per-screen data
407	*/
408	typedef struct _MultibufferScreen {
409	PositionWindowProcPtr PositionWindow; /* pWin, x,y */
410	} MultibufferScreenRec, *MultibufferScreenPtr;
411
412	/*
413	* per display-image-buffers request data.
414	*/
415
416	typedef struct _DisplayRequest {
417	struct _DisplayRequest *next;
418	TimeStamp activateTime;
419	ClientPtr pClient;
420	XID id;
421	} DisplayRequestRec, *DisplayRequestPtr;
422
423	#define DestroyWindowMask (1L<<0)
424	#define PositionWindowMask (1L<<1)
425	#define PostValidateTreeMask (1L<<2)
426	#define ClipNotifyMask (1L<<3)
427	#define WindowExposuresMask (1L<<4)
428	#define CopyWindowMask (1L<<5)
429	#define ClearToBackgroundMask (1L<<6)
430	#define ChangeWindowAttributesMask (1L<<7)
431
432	extern int MultibufferScreenIndex;
433	extern int MultibufferWindowIndex;
434
435	extern RESTYPE MultibufferDrawableResType;
436
437	extern void MultibufferUpdate( /* pMbuffer, time */
438	MultibufferPtr /* pMultibuffer */,
439	CARD32 /* time */
440	);
441	extern void MultibufferExpose( /* pMbuffer, pRegion */
442	MultibufferPtr /* pMultibuffer */,
443	RegionPtr /* pRegion */
444	);
445	extern void MultibufferClobber( /* pMbuffer */
446	MultibufferPtr /* pMultibuffer */
447	);
448
449	typedef struct _mbufWindow *mbufWindowPtr;
450
451	/*
452	* per-buffer data
453	*/
454
455	#define MB_DISPLAYED_BUFFER(pMBWindow) \
456	((pMBWindow)->buffers + (pMBWindow)->displayedMultibuffer)
457
458	typedef struct _mbufBuffer {
459	mbufWindowPtr pMBWindow; /* associated window data */
460	Mask eventMask; /* client event mask */
461	Mask otherEventMask; /* union of other clients' event masks */
462	OtherClientsPtr otherClients; /* other clients that want events */
463	int number; /* index of this buffer into array */
464	int side; /* stero side: always Mono */
465	int clobber; /* clober state */
466	DrawablePtr pDrawable; /* associated drawable */
467	} mbufBufferRec, *mbufBufferPtr;
468
469
470	/*
471	* per-window data
472	*/
473
474	#define MB_WINDOW_PRIV(pWin) \
475	((mbufWindowPtr)((pWin)->devPrivates[MultibufferWindowIndex].ptr))
476
477	typedef struct _mbufWindow {
478	WindowPtr pWindow; /* associated window */
479	int numMultibuffer; /* count of buffers */
480	mbufBufferPtr buffers; /* array of (numMultibuffer) buffers */
481	int displayedMultibuffer; /* currently active buffer */
482	int updateAction; /* Undefined, Background,
483	Untouched, Copied */
484	int updateHint; /* Frequent, Intermittent, Static */
485	int windowMode; /* always Mono */
486	TimeStamp lastUpdate; /* time of last update */
487	short x, y; /* for static gravity */
488	unsigned short width, height; /* last known window size */
489	DevUnion devPrivate;
490	} mbufWindowRec;
491
492
493	/*
494	* per-screen data
495	*/
496
497	#define MB_SCREEN_PRIV(pScreen) \
498	((mbufScreenPtr)((pScreen)->devPrivates[MultibufferScreenIndex].ptr))
499
500	typedef struct _mbufScreen {
501	long mbufWindowCount; /* count of multibuffered windows */
502
503	/* Wrap pScreen->DestroyWindow */
504	DestroyWindowProcPtr DestroyWindow;
505	long funcsWrapped; /* flags which functions are wrapped */
506
507	/* Initialized by device-dependent section */
508	int nInfo; /* number of buffer info rec's */
509	xMbufBufferInfo pInfo; / buffer info (for Normal buffers) */
510
511	int (* CreateImageBuffers)(
512	WindowPtr /* pWin */,
513	int /* nbuf */,
514	XID * /* ids */,
515	int /* action */,
516	int /* hint */
517	);
518	void (* DestroyImageBuffers)(
519	WindowPtr /* pWin */
520	);
521	void (* DisplayImageBuffers)(
522	ScreenPtr /* pScreen */,
523	mbufBufferPtr * /* ppMBBuffer */,
524	mbufWindowPtr * /* ppMBWindow */,
525	int /* nbuf */
526	);
527	void (* ClearImageBufferArea)(
528	mbufBufferPtr /* pMBBuffer */,
529	short /* x */,
530	short /* y */,
531	unsigned short /* width */,
532	unsigned short /* height */,
533	Bool /* exposures */
534	);
535	Bool (* ChangeMBufferAttributes)( /* pMBWindow, vmask */
536	/* FIXME */
537	);
538	Bool (* ChangeBufferAttributes)( /* pMBBuffer, vmask */
539	/* FIXME */
540	);
541	void (* DeleteBufferDrawable)(
542	DrawablePtr /* pDrawable */
543	);
544	void (* WrapScreenFuncs)(
545	ScreenPtr /* pScreen */
546	);
547	void (* ResetProc)(
548	ScreenPtr /* pScreen */
549	);
550	DevUnion devPrivate;
551	} mbufScreenRec, *mbufScreenPtr;
552
553
554	/* Privates to mbufScreenRec */
555
556	#ifdef _MULTIBUF_PIXMAP_
557	#define MB_SCREEN_PRIV_PIXMAP(pScreen) \
558	((mbufPixmapPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr)
559
560	typedef struct _mbufPixmapPriv
561	{
562	/* Pointers to wrapped functions */
563	PositionWindowProcPtr PositionWindow; /* pWin, x,y */
564	long funcsWrapped; /* flags which functions are wrapped */
565	} mbufPixmapPrivRec, *mbufPixmapPrivPtr;
566	#endif /* _MULTIBUF_PIXMAP_ */
567
568
569	#ifdef _MULTIBUF_BUFFER_
570
571	extern int frameWindowPrivateIndex;
572
573	#define MB_SCREEN_PRIV_BUFFER(pScreen) \
574	((mbufBufferPrivPtr) MB_SCREEN_PRIV((pScreen))->devPrivate.ptr)
575
576	typedef struct _mbufBufferPriv
577	{
578	DevUnion frameBuffer; / Array of screen framebuffers */
579	DevUnion selectPlane; /* Plane(s) that select displayed buffer */
580
581	/*
582	* Note: subtractRgn and unionRgn may overlap. subtractRgn is a union
583	* of all the old clipLists of the windows that are displaying
584	* the backbuffer. unionRgn is the union of all the new clipLists
585	* of the same windows.
586	*/
587
588	RegionRec backBuffer; /* Area of screen displaying back buffer */
589	RegionRec subtractRgn; /* Regions lost to backBuffer */
590	RegionRec unionRgn; /* Regions gained by backBuffer */
591	Bool rgnChanged; /* TRUE if "backBuffer" needs to be updated */
592
593	void (* CopyBufferBits)(); /* pMBWindow, srcBufferNum, dstBufferNum */
594	void (* DrawSelectPlane)(); /* pScreen, selectPlane, pRegion, bufferNum */
595
596	/* Pointers to wrapped functions */
597	PostValidateTreeProcPtr PostValidateTree; /* pParent, pChild, kind */
598	ClipNotifyProcPtr ClipNotify; /* pWin, dx, dy */
599	WindowExposuresProcPtr WindowExposures; /* pWin, pRegion */
600	CopyWindowProcPtr CopyWindow; /* pWin, oldPt, pOldRegion */
601	ClearToBackgroundProcPtr ClearToBackground; /* pWin, x,y,w,h, sendExpose */
602	ChangeWindowAttributesProcPtr ChangeWindowAttributes; /* pWin, vmask */
603	long funcsWrapped; /* flags which functions are wrapped */
604	unsigned inClearToBackground:1; /* used by WindowExposure */
605	} mbufBufferPrivRec, *mbufBufferPrivPtr;
606	#endif /* _MULTIBUF_BUFFER_ */
607
608	#endif /* _MULTIBUF_SERVER_ */
609	#endif /* _MULTIBUFST_H_ */

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