scrnintstr.h

最後變更在這個檔案是 54163,由 vboxsync 提交於 10 年前
Additions/x11/vboxvideo: support X.Org Server 1.17 (still untested).
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1	/***********************************************************
2
3	Copyright 1987, 1998 The Open Group
4
5	Permission to use, copy, modify, distribute, and sell this software and its
6	documentation for any purpose is hereby granted without fee, provided that
7	the above copyright notice appear in all copies and that both that
8	copyright notice and this permission notice appear in supporting
9	documentation.
10
11	The above copyright notice and this permission notice shall be included in
12	all copies or substantial portions of the Software.
13
14	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17	OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18	AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19	CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21	Except as contained in this notice, the name of The Open Group shall not be
22	used in advertising or otherwise to promote the sale, use or other dealings
23	in this Software without prior written authorization from The Open Group.
24
25	Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
26
27	All Rights Reserved
28
29	Permission to use, copy, modify, and distribute this software and its
30	documentation for any purpose and without fee is hereby granted,
31	provided that the above copyright notice appear in all copies and that
32	both that copyright notice and this permission notice appear in
33	supporting documentation, and that the name of Digital not be
34	used in advertising or publicity pertaining to distribution of the
35	software without specific, written prior permission.
36
37	DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38	ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39	DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40	ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41	WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
43	SOFTWARE.
44
45	******************************************************************/
46
47	#ifndef SCREENINTSTRUCT_H
48	#define SCREENINTSTRUCT_H
49
50	#include "screenint.h"
51	#include "regionstr.h"
52	#include "colormap.h"
53	#include "cursor.h"
54	#include "validate.h"
55	#include <X11/Xproto.h>
56	#include "dix.h"
57	#include "privates.h"
58
59	typedef struct _PixmapFormat {
60	unsigned char depth;
61	unsigned char bitsPerPixel;
62	unsigned char scanlinePad;
63	} PixmapFormatRec;
64
65	typedef struct _Visual {
66	VisualID vid;
67	short class;
68	short bitsPerRGBValue;
69	short ColormapEntries;
70	short nplanes; /* = log2 (ColormapEntries). This does not
71	* imply that the screen has this many planes.
72	* it may have more or fewer */
73	unsigned long redMask, greenMask, blueMask;
74	int offsetRed, offsetGreen, offsetBlue;
75	} VisualRec;
76
77	typedef struct _Depth {
78	unsigned char depth;
79	short numVids;
80	VisualID vids; / block of visual ids for this depth */
81	} DepthRec;
82
83	typedef struct _ScreenSaverStuff {
84	WindowPtr pWindow;
85	XID wid;
86	char blanked;
87	Bool (ExternalScreenSaver) (ScreenPtr /pScreen */ ,
88	int /xstate / ,
89	Bool /force / );
90	} ScreenSaverStuffRec;
91
92	/*
93	* There is a typedef for each screen function pointer so that code that
94	* needs to declare a screen function pointer (e.g. in a screen private
95	* or as a local variable) can easily do so and retain full type checking.
96	*/
97
98	typedef Bool (CloseScreenProcPtr) (ScreenPtr /pScreen */ );
99
100	typedef void (QueryBestSizeProcPtr) (int /class */ ,
101	unsigned short * /pwidth / ,
102	unsigned short * /pheight / ,
103	ScreenPtr /pScreen / );
104
105	typedef Bool (SaveScreenProcPtr) (ScreenPtr /pScreen */ ,
106	int /on / );
107
108	typedef void (GetImageProcPtr) (DrawablePtr /pDrawable */ ,
109	int /sx / ,
110	int /sy / ,
111	int /w / ,
112	int /h / ,
113	unsigned int /format / ,
114	unsigned long /planeMask / ,
115	char * /pdstLine / );
116
117	typedef void (GetSpansProcPtr) (DrawablePtr /pDrawable */ ,
118	int /wMax / ,
119	DDXPointPtr /ppt / ,
120	int * /pwidth / ,
121	int /nspans / ,
122	char * /pdstStart / );
123
124	typedef void (SourceValidateProcPtr) (DrawablePtr /pDrawable */ ,
125	int /x / ,
126	int /y / ,
127	int /width / ,
128	int /height / ,
129	unsigned int /subWindowMode / );
130
131	typedef Bool (CreateWindowProcPtr) (WindowPtr /pWindow */ );
132
133	typedef Bool (DestroyWindowProcPtr) (WindowPtr /pWindow */ );
134
135	typedef Bool (PositionWindowProcPtr) (WindowPtr /pWindow */ ,
136	int /x / ,
137	int /y / );
138
139	typedef Bool (ChangeWindowAttributesProcPtr) (WindowPtr /pWindow */ ,
140	unsigned long /mask / );
141
142	typedef Bool (RealizeWindowProcPtr) (WindowPtr /pWindow */ );
143
144	typedef Bool (UnrealizeWindowProcPtr) (WindowPtr /pWindow */ );
145
146	typedef void (RestackWindowProcPtr) (WindowPtr /pWindow */ ,
147	WindowPtr /pOldNextSib / );
148
149	typedef int (ValidateTreeProcPtr) (WindowPtr /pParent */ ,
150	WindowPtr /pChild / ,
151	VTKind /kind / );
152
153	typedef void (PostValidateTreeProcPtr) (WindowPtr /pParent */ ,
154	WindowPtr /pChild / ,
155	VTKind /kind / );
156
157	typedef void (WindowExposuresProcPtr) (WindowPtr /pWindow */ ,
158	RegionPtr /prgn /);
159
160	typedef void (CopyWindowProcPtr) (WindowPtr /pWindow */ ,
161	DDXPointRec /ptOldOrg / ,
162	RegionPtr /prgnSrc / );
163
164	typedef void (ClearToBackgroundProcPtr) (WindowPtr /pWindow */ ,
165	int /x / ,
166	int /y / ,
167	int /w / ,
168	int /h / ,
169	Bool /generateExposures / );
170
171	typedef void (ClipNotifyProcPtr) (WindowPtr /pWindow */ ,
172	int /dx / ,
173	int /dy / );
174
175	/* pixmap will exist only for the duration of the current rendering operation */
176	#define CREATE_PIXMAP_USAGE_SCRATCH 1
177	/* pixmap will be the backing pixmap for a redirected window */
178	#define CREATE_PIXMAP_USAGE_BACKING_PIXMAP 2
179	/* pixmap will contain a glyph */
180	#define CREATE_PIXMAP_USAGE_GLYPH_PICTURE 3
181	/* pixmap will be shared */
182	#define CREATE_PIXMAP_USAGE_SHARED 4
183
184	typedef PixmapPtr (CreatePixmapProcPtr) (ScreenPtr /pScreen */ ,
185	int /width / ,
186	int /height / ,
187	int /depth / ,
188	unsigned /usage_hint / );
189
190	typedef Bool (DestroyPixmapProcPtr) (PixmapPtr /pPixmap */ );
191
192	typedef Bool (RealizeFontProcPtr) (ScreenPtr /pScreen */ ,
193	FontPtr /pFont / );
194
195	typedef Bool (UnrealizeFontProcPtr) (ScreenPtr /pScreen */ ,
196	FontPtr /pFont / );
197
198	typedef void (ConstrainCursorProcPtr) (DeviceIntPtr /pDev */ ,
199	ScreenPtr /pScreen / ,
200	BoxPtr /pBox / );
201
202	typedef void (CursorLimitsProcPtr) (DeviceIntPtr / pDev */ ,
203	ScreenPtr /pScreen / ,
204	CursorPtr /pCursor / ,
205	BoxPtr /pHotBox / ,
206	BoxPtr /pTopLeftBox / );
207
208	typedef Bool (DisplayCursorProcPtr) (DeviceIntPtr / pDev */ ,
209	ScreenPtr /pScreen / ,
210	CursorPtr /pCursor / );
211
212	typedef Bool (RealizeCursorProcPtr) (DeviceIntPtr / pDev */ ,
213	ScreenPtr /pScreen / ,
214	CursorPtr /pCursor / );
215
216	typedef Bool (UnrealizeCursorProcPtr) (DeviceIntPtr / pDev */ ,
217	ScreenPtr /pScreen / ,
218	CursorPtr /pCursor / );
219
220	typedef void (RecolorCursorProcPtr) (DeviceIntPtr / pDev */ ,
221	ScreenPtr /pScreen / ,
222	CursorPtr /pCursor / ,
223	Bool /displayed / );
224
225	typedef Bool (SetCursorPositionProcPtr) (DeviceIntPtr / pDev */ ,
226	ScreenPtr /pScreen / ,
227	int /x / ,
228	int /y / ,
229	Bool /generateEvent / );
230
231	typedef Bool (CreateGCProcPtr) (GCPtr /pGC */ );
232
233	typedef Bool (CreateColormapProcPtr) (ColormapPtr /pColormap */ );
234
235	typedef void (DestroyColormapProcPtr) (ColormapPtr /pColormap */ );
236
237	typedef void (InstallColormapProcPtr) (ColormapPtr /pColormap */ );
238
239	typedef void (UninstallColormapProcPtr) (ColormapPtr /pColormap */ );
240
241	typedef int (ListInstalledColormapsProcPtr) (ScreenPtr /pScreen */ ,
242	XID * /pmaps / );
243
244	typedef void (StoreColorsProcPtr) (ColormapPtr /pColormap */ ,
245	int /ndef / ,
246	xColorItem * /pdef / );
247
248	typedef void (ResolveColorProcPtr) (unsigned short /pred / ,
249	unsigned short * /pgreen / ,
250	unsigned short * /pblue / ,
251	VisualPtr /pVisual / );
252
253	typedef RegionPtr (BitmapToRegionProcPtr) (PixmapPtr /pPix */ );
254
255	typedef void (*ScreenBlockHandlerProcPtr) (ScreenPtr pScreen,
256	void *pTimeout,
257	void *pReadmask);
258
259	typedef void (*ScreenWakeupHandlerProcPtr) (ScreenPtr pScreen,
260	unsigned long result,
261	void *pReadMask);
262
263	typedef Bool (CreateScreenResourcesProcPtr) (ScreenPtr /pScreen */ );
264
265	typedef Bool (*ModifyPixmapHeaderProcPtr) (PixmapPtr pPixmap,
266	int width,
267	int height,
268	int depth,
269	int bitsPerPixel,
270	int devKind,
271	void *pPixData);
272
273	typedef PixmapPtr (GetWindowPixmapProcPtr) (WindowPtr /pWin */ );
274
275	typedef void (SetWindowPixmapProcPtr) (WindowPtr /pWin */ ,
276	PixmapPtr /pPix / );
277
278	typedef PixmapPtr (GetScreenPixmapProcPtr) (ScreenPtr /pScreen */ );
279
280	typedef void (SetScreenPixmapProcPtr) (PixmapPtr /pPix */ );
281
282	typedef void (MarkWindowProcPtr) (WindowPtr /pWin */ );
283
284	typedef Bool (MarkOverlappedWindowsProcPtr) (WindowPtr /parent */ ,
285	WindowPtr /firstChild / ,
286	WindowPtr * /pLayerWin / );
287
288	typedef int (ConfigNotifyProcPtr) (WindowPtr /pWin */ ,
289	int /x / ,
290	int /y / ,
291	int /w / ,
292	int /h / ,
293	int /bw / ,
294	WindowPtr /pSib / );
295
296	typedef void (MoveWindowProcPtr) (WindowPtr /pWin */ ,
297	int /x / ,
298	int /y / ,
299	WindowPtr /pSib / ,
300	VTKind /kind / );
301
302	typedef void (ResizeWindowProcPtr) (WindowPtr /pWin */ ,
303	int /x / ,
304	int /y / ,
305	unsigned int /w / ,
306	unsigned int /h / ,
307	WindowPtr /pSib /
308	);
309
310	typedef WindowPtr (GetLayerWindowProcPtr) (WindowPtr /pWin */
311	);
312
313	typedef void (HandleExposuresProcPtr) (WindowPtr /pWin */ );
314
315	typedef void (ReparentWindowProcPtr) (WindowPtr /pWin */ ,
316	WindowPtr /pPriorParent / );
317
318	typedef void (SetShapeProcPtr) (WindowPtr /pWin */ ,
319	int /* kind */ );
320
321	typedef void (ChangeBorderWidthProcPtr) (WindowPtr /pWin */ ,
322	unsigned int /width / );
323
324	typedef void (MarkUnrealizedWindowProcPtr) (WindowPtr /pChild */ ,
325	WindowPtr /pWin / ,
326	Bool /fromConfigure / );
327
328	typedef Bool (DeviceCursorInitializeProcPtr) (DeviceIntPtr / pDev */ ,
329	ScreenPtr /* pScreen */ );
330
331	typedef void (DeviceCursorCleanupProcPtr) (DeviceIntPtr / pDev */ ,
332	ScreenPtr /* pScreen */ );
333
334	typedef void (*ConstrainCursorHarderProcPtr) (DeviceIntPtr, ScreenPtr, int,
335	int , int );
336
337
338	typedef Bool (SharePixmapBackingProcPtr)(PixmapPtr, ScreenPtr, void *);
339
340	typedef Bool (SetSharedPixmapBackingProcPtr)(PixmapPtr, void );
341
342	typedef Bool (*StartPixmapTrackingProcPtr)(PixmapPtr, PixmapPtr,
343	int x, int y);
344
345	typedef Bool (*StopPixmapTrackingProcPtr)(PixmapPtr, PixmapPtr);
346
347	typedef Bool (*ReplaceScanoutPixmapProcPtr)(DrawablePtr, PixmapPtr, Bool);
348
349	typedef WindowPtr (*XYToWindowProcPtr)(ScreenPtr pScreen,
350	SpritePtr pSprite, int x, int y);
351
352	typedef int (*NameWindowPixmapProcPtr)(WindowPtr, PixmapPtr, CARD32);
353
354	/* Wrapping Screen procedures
355
356	There are a few modules in the X server which dynamically add and
357	remove themselves from various screen procedure call chains.
358
359	For example, the BlockHandler is dynamically modified by:
360
361	* xf86Rotate
362	* miSprite
363	* composite
364	* render (for animated cursors)
365
366	Correctly manipulating this chain is complicated by the fact that
367	the chain is constructed through a sequence of screen private
368	structures, each holding the next screen->proc pointer.
369
370	To add a module to a screen->proc chain is fairly simple; just save
371	the current screen->proc value in the module screen private
372	and store the module's function in the screen->proc location.
373
374	Removing a screen proc is a bit trickier. It seems like all you
375	need to do is set the screen->proc pointer back to the value saved
376	in your screen private. However, if some other module has come
377	along and wrapped on top of you, then the right place to store the
378	previous screen->proc value is actually in the wrapping module's
379	screen private structure(!). Of course, you have no idea what
380	other module may have wrapped on top, nor could you poke inside
381	its screen private in any case.
382
383	To make this work, we restrict the unwrapping process to happen
384	during the invocation of the screen proc itself, and then we
385	require the screen proc to take some care when manipulating the
386	screen proc functions pointers.
387
388	The requirements are:
389
390	1) The screen proc must set the screen->proc pointer back to the
391	value saved in its screen private before calling outside its
392	module.
393
394	2a) If the screen proc wants to be remove itself from the chain,
395	it must not manipulate screen->proc pointer again before
396	returning.
397
398	2b) If the screen proc wants to remain in the chain, it must:
399
400	2b.1) Re-fetch the screen->proc pointer and store that in
401	its screen private. This ensures that any changes
402	to the chain will be preserved.
403
404	2b.2) Set screen->proc back to itself
405
406	One key requirement here is that these steps must wrap not just
407	any invocation of the nested screen->proc value, but must nest
408	essentially any calls outside the current module. This ensures
409	that other modules can reliably manipulate screen->proc wrapping
410	using these same rules.
411
412	For example, the animated cursor code in render has two macros,
413	Wrap and Unwrap.
414
415	#define Unwrap(as,s,elt) ((s)->elt = (as)->elt)
416
417	Unwrap takes the screen private (as), the screen (s) and the
418	member name (elt), and restores screen->proc to that saved in the
419	screen private.
420
421	#define Wrap(as,s,elt,func) (((as)->elt = (s)->elt), (s)->elt = func)
422
423	Wrap takes the screen private (as), the screen (s), the member
424	name (elt) and the wrapping function (func). It saves the
425	current screen->proc value in the screen private, and then sets the
426	screen->proc to the local wrapping function.
427
428	Within each of these functions, there's a pretty simple pattern:
429
430	Unwrap(as, pScreen, UnrealizeCursor);
431
432	// Do local stuff, including possibly calling down through
433	// pScreen->UnrealizeCursor
434
435	Wrap(as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor);
436
437	The wrapping block handler is a bit different; it does the Unwrap,
438	the local operations and then only re-Wraps if the hook is still
439	required. Unwrap occurrs at the top of each function, just after
440	entry, and Wrap occurrs at the bottom of each function, just
441	before returning.
442	*/
443
444	typedef struct _Screen {
445	int myNum; /* index of this instance in Screens[] */
446	ATOM id;
447	short x, y, width, height;
448	short mmWidth, mmHeight;
449	short numDepths;
450	unsigned char rootDepth;
451	DepthPtr allowedDepths;
452	unsigned long rootVisual;
453	unsigned long defColormap;
454	short minInstalledCmaps, maxInstalledCmaps;
455	char backingStoreSupport, saveUnderSupport;
456	unsigned long whitePixel, blackPixel;
457	GCPtr GCperDepth[MAXFORMATS + 1];
458	/* next field is a stipple to use as default in
459	a GC. we don't build default tiles of all depths
460	because they are likely to be of a color
461	different from the default fg pixel, so
462	we don't win anything by building
463	a standard one.
464	*/
465	PixmapPtr PixmapPerDepth[1];
466	void *devPrivate;
467	short numVisuals;
468	VisualPtr visuals;
469	WindowPtr root;
470	ScreenSaverStuffRec screensaver;
471
472	DevPrivateSetRec screenSpecificPrivates[PRIVATE_LAST];
473
474	/* Random screen procedures */
475
476	CloseScreenProcPtr CloseScreen;
477	QueryBestSizeProcPtr QueryBestSize;
478	SaveScreenProcPtr SaveScreen;
479	GetImageProcPtr GetImage;
480	GetSpansProcPtr GetSpans;
481	SourceValidateProcPtr SourceValidate;
482
483	/* Window Procedures */
484
485	CreateWindowProcPtr CreateWindow;
486	DestroyWindowProcPtr DestroyWindow;
487	PositionWindowProcPtr PositionWindow;
488	ChangeWindowAttributesProcPtr ChangeWindowAttributes;
489	RealizeWindowProcPtr RealizeWindow;
490	UnrealizeWindowProcPtr UnrealizeWindow;
491	ValidateTreeProcPtr ValidateTree;
492	PostValidateTreeProcPtr PostValidateTree;
493	WindowExposuresProcPtr WindowExposures;
494	CopyWindowProcPtr CopyWindow;
495	ClearToBackgroundProcPtr ClearToBackground;
496	ClipNotifyProcPtr ClipNotify;
497	RestackWindowProcPtr RestackWindow;
498
499	/* Pixmap procedures */
500
501	CreatePixmapProcPtr CreatePixmap;
502	DestroyPixmapProcPtr DestroyPixmap;
503
504	/* Font procedures */
505
506	RealizeFontProcPtr RealizeFont;
507	UnrealizeFontProcPtr UnrealizeFont;
508
509	/* Cursor Procedures */
510
511	ConstrainCursorProcPtr ConstrainCursor;
512	ConstrainCursorHarderProcPtr ConstrainCursorHarder;
513	CursorLimitsProcPtr CursorLimits;
514	DisplayCursorProcPtr DisplayCursor;
515	RealizeCursorProcPtr RealizeCursor;
516	UnrealizeCursorProcPtr UnrealizeCursor;
517	RecolorCursorProcPtr RecolorCursor;
518	SetCursorPositionProcPtr SetCursorPosition;
519
520	/* GC procedures */
521
522	CreateGCProcPtr CreateGC;
523
524	/* Colormap procedures */
525
526	CreateColormapProcPtr CreateColormap;
527	DestroyColormapProcPtr DestroyColormap;
528	InstallColormapProcPtr InstallColormap;
529	UninstallColormapProcPtr UninstallColormap;
530	ListInstalledColormapsProcPtr ListInstalledColormaps;
531	StoreColorsProcPtr StoreColors;
532	ResolveColorProcPtr ResolveColor;
533
534	/* Region procedures */
535
536	BitmapToRegionProcPtr BitmapToRegion;
537
538	/* os layer procedures */
539
540	ScreenBlockHandlerProcPtr BlockHandler;
541	ScreenWakeupHandlerProcPtr WakeupHandler;
542
543	/* anybody can get a piece of this array */
544	PrivateRec *devPrivates;
545
546	CreateScreenResourcesProcPtr CreateScreenResources;
547	ModifyPixmapHeaderProcPtr ModifyPixmapHeader;
548
549	GetWindowPixmapProcPtr GetWindowPixmap;
550	SetWindowPixmapProcPtr SetWindowPixmap;
551	GetScreenPixmapProcPtr GetScreenPixmap;
552	SetScreenPixmapProcPtr SetScreenPixmap;
553	NameWindowPixmapProcPtr NameWindowPixmap;
554
555	PixmapPtr pScratchPixmap; /* scratch pixmap "pool" */
556
557	unsigned int totalPixmapSize;
558
559	MarkWindowProcPtr MarkWindow;
560	MarkOverlappedWindowsProcPtr MarkOverlappedWindows;
561	ConfigNotifyProcPtr ConfigNotify;
562	MoveWindowProcPtr MoveWindow;
563	ResizeWindowProcPtr ResizeWindow;
564	GetLayerWindowProcPtr GetLayerWindow;
565	HandleExposuresProcPtr HandleExposures;
566	ReparentWindowProcPtr ReparentWindow;
567
568	SetShapeProcPtr SetShape;
569
570	ChangeBorderWidthProcPtr ChangeBorderWidth;
571	MarkUnrealizedWindowProcPtr MarkUnrealizedWindow;
572
573	/* Device cursor procedures */
574	DeviceCursorInitializeProcPtr DeviceCursorInitialize;
575	DeviceCursorCleanupProcPtr DeviceCursorCleanup;
576
577	/* set it in driver side if X server can copy the framebuffer content.
578	* Meant to be used together with '-background none' option, avoiding
579	* malicious users to steal framebuffer's content if that would be the
580	* default */
581	Bool canDoBGNoneRoot;
582
583	Bool isGPU;
584
585	struct xorg_list unattached_list;
586	struct xorg_list unattached_head;
587
588	ScreenPtr current_master;
589
590	struct xorg_list output_slave_list;
591	struct xorg_list output_head;
592
593	SharePixmapBackingProcPtr SharePixmapBacking;
594	SetSharedPixmapBackingProcPtr SetSharedPixmapBacking;
595
596	StartPixmapTrackingProcPtr StartPixmapTracking;
597	StopPixmapTrackingProcPtr StopPixmapTracking;
598
599	struct xorg_list pixmap_dirty_list;
600	struct xorg_list offload_slave_list;
601	struct xorg_list offload_head;
602
603	ReplaceScanoutPixmapProcPtr ReplaceScanoutPixmap;
604	XYToWindowProcPtr XYToWindow;
605	} ScreenRec;
606
607	static inline RegionPtr
608	BitmapToRegion(ScreenPtr _pScreen, PixmapPtr pPix)
609	{
610	return ((_pScreen)->BitmapToRegion) (pPix); / no mi version?! */
611	}
612
613	typedef struct _ScreenInfo {
614	int imageByteOrder;
615	int bitmapScanlineUnit;
616	int bitmapScanlinePad;
617	int bitmapBitOrder;
618	int numPixmapFormats;
619	PixmapFormatRec formats[MAXFORMATS];
620	int numScreens;
621	ScreenPtr screens[MAXSCREENS];
622	int numGPUScreens;
623	ScreenPtr gpuscreens[MAXGPUSCREENS];
624	int x; /* origin */
625	int y; /* origin */
626	int width; /* total width of all screens together */
627	int height; /* total height of all screens together */
628	} ScreenInfo;
629
630	extern _X_EXPORT ScreenInfo screenInfo;
631
632	extern _X_EXPORT void InitOutput(ScreenInfo * /pScreenInfo / ,
633	int /argc / ,
634	char ** /argv / );
635
636	#endif /* SCREENINTSTRUCT_H */

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