aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/include/scrnintstr.h
blob: 8d7c7db8be452aef31480a3332e60469b800ba61 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
/***********************************************************

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 "regionstr.h"
#include "colormap.h"
#include "cursor.h"
#include "validate.h"
#include <X11/Xproto.h>
#include "dix.h"
#include "privates.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;

typedef struct _ScreenSaverStuff {
    WindowPtr pWindow;
    XID       wid;
    char      blanked;
    Bool      (*ExternalScreenSaver)(
	ScreenPtr	/*pScreen*/,
	int		/*xstate*/,
	Bool		/*force*/);
} ScreenSaverStuffRec;


/*
 *  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)(
	int /*index*/,
	ScreenPtr /*pScreen*/);

typedef    void (* QueryBestSizeProcPtr)(
	int /*class*/,
	unsigned short * /*pwidth*/,
	unsigned short * /*pheight*/,
	ScreenPtr /*pScreen*/);

typedef    Bool (* SaveScreenProcPtr)(
	 ScreenPtr /*pScreen*/,
	 int /*on*/);

typedef    void (* GetImageProcPtr)(
	DrawablePtr /*pDrawable*/,
	int /*sx*/,
	int /*sy*/,
	int /*w*/,
	int /*h*/,
	unsigned int /*format*/,
	unsigned long /*planeMask*/,
	char * /*pdstLine*/);

typedef    void (* GetSpansProcPtr)(
	DrawablePtr /*pDrawable*/,
	int /*wMax*/,
	DDXPointPtr /*ppt*/,
	int* /*pwidth*/,
	int /*nspans*/,
	char * /*pdstStart*/);

typedef    void (* SourceValidateProcPtr)(
	DrawablePtr /*pDrawable*/,
	int /*x*/,
	int /*y*/,
	int /*width*/,
	int /*height*/);

typedef    Bool (* CreateWindowProcPtr)(
	WindowPtr /*pWindow*/);

typedef    Bool (* DestroyWindowProcPtr)(
	WindowPtr /*pWindow*/);

typedef    Bool (* PositionWindowProcPtr)(
	WindowPtr /*pWindow*/,
	int /*x*/,
	int /*y*/);

typedef    Bool (* ChangeWindowAttributesProcPtr)(
	WindowPtr /*pWindow*/,
	unsigned long /*mask*/);

typedef    Bool (* RealizeWindowProcPtr)(
	WindowPtr /*pWindow*/);

typedef    Bool (* UnrealizeWindowProcPtr)(
	WindowPtr /*pWindow*/);

typedef    void (* RestackWindowProcPtr)(
	WindowPtr /*pWindow*/,
	WindowPtr /*pOldNextSib*/);

typedef    int  (* ValidateTreeProcPtr)(
	WindowPtr /*pParent*/,
	WindowPtr /*pChild*/,
	VTKind /*kind*/);

typedef    void (* PostValidateTreeProcPtr)(
	WindowPtr /*pParent*/,
	WindowPtr /*pChild*/,
	VTKind /*kind*/);

typedef    void (* WindowExposuresProcPtr)(
	WindowPtr /*pWindow*/,
	RegionPtr /*prgn*/,
	RegionPtr /*other_exposed*/);

typedef    void (* CopyWindowProcPtr)(
	WindowPtr /*pWindow*/,
	DDXPointRec /*ptOldOrg*/,
	RegionPtr /*prgnSrc*/);

typedef    void (* ClearToBackgroundProcPtr)(
	WindowPtr /*pWindow*/,
	int /*x*/,
	int /*y*/,
	int /*w*/,
	int /*h*/,
	Bool /*generateExposures*/);

typedef    void (* ClipNotifyProcPtr)(
	WindowPtr /*pWindow*/,
	int /*dx*/,
	int /*dy*/);

/* pixmap will exist only for the duration of the current rendering operation */
#define CREATE_PIXMAP_USAGE_SCRATCH                     1
/* pixmap will be the backing pixmap for a redirected window */
#define CREATE_PIXMAP_USAGE_BACKING_PIXMAP              2
/* pixmap will contain a glyph */
#define CREATE_PIXMAP_USAGE_GLYPH_PICTURE               3

typedef    PixmapPtr (* CreatePixmapProcPtr)(
	ScreenPtr /*pScreen*/,
	int /*width*/,
	int /*height*/,
	int /*depth*/,
	unsigned /*usage_hint*/);

typedef    Bool (* DestroyPixmapProcPtr)(
	PixmapPtr /*pPixmap*/);

typedef    Bool (* RealizeFontProcPtr)(
	ScreenPtr /*pScreen*/,
	FontPtr /*pFont*/);

typedef    Bool (* UnrealizeFontProcPtr)(
	ScreenPtr /*pScreen*/,
	FontPtr /*pFont*/);

typedef    void (* ConstrainCursorProcPtr)(
        DeviceIntPtr /*pDev*/,
	ScreenPtr /*pScreen*/,
	BoxPtr /*pBox*/);

typedef    void (* CursorLimitsProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	CursorPtr /*pCursor*/,
	BoxPtr /*pHotBox*/,
	BoxPtr /*pTopLeftBox*/);

typedef    Bool (* DisplayCursorProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	CursorPtr /*pCursor*/);

typedef    Bool (* RealizeCursorProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	CursorPtr /*pCursor*/);

typedef    Bool (* UnrealizeCursorProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	CursorPtr /*pCursor*/);

typedef    void (* RecolorCursorProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	CursorPtr /*pCursor*/,
	Bool /*displayed*/);

typedef    Bool (* SetCursorPositionProcPtr)(
        DeviceIntPtr /* pDev */,
	ScreenPtr /*pScreen*/,
	int /*x*/,
	int /*y*/,
	Bool /*generateEvent*/);

typedef    Bool (* CreateGCProcPtr)(
	GCPtr /*pGC*/);

typedef    Bool (* CreateColormapProcPtr)(
	ColormapPtr /*pColormap*/);

typedef    void (* DestroyColormapProcPtr)(
	ColormapPtr /*pColormap*/);

typedef    void (* InstallColormapProcPtr)(
	ColormapPtr /*pColormap*/);

typedef    void (* UninstallColormapProcPtr)(
	ColormapPtr /*pColormap*/);

typedef    int (* ListInstalledColormapsProcPtr) (
	ScreenPtr /*pScreen*/,
	XID* /*pmaps */);

typedef    void (* StoreColorsProcPtr)(
	ColormapPtr /*pColormap*/,
	int /*ndef*/,
	xColorItem * /*pdef*/);

typedef    void (* ResolveColorProcPtr)(
	unsigned short* /*pred*/,
	unsigned short* /*pgreen*/,
	unsigned short* /*pblue*/,
	VisualPtr /*pVisual*/);

typedef    RegionPtr (* BitmapToRegionProcPtr)(
	PixmapPtr /*pPix*/);

typedef    void (* SendGraphicsExposeProcPtr)(
	ClientPtr /*client*/,
	RegionPtr /*pRgn*/,
	XID /*drawable*/,
	int /*major*/,
	int /*minor*/);

typedef    void (* ScreenBlockHandlerProcPtr)(
	int /*screenNum*/,
	pointer /*blockData*/,
	pointer /*pTimeout*/,
	pointer /*pReadmask*/);

typedef    void (* ScreenWakeupHandlerProcPtr)(
	 int /*screenNum*/,
	 pointer /*wakeupData*/,
	 unsigned long /*result*/,
	 pointer /*pReadMask*/);

typedef    Bool (* CreateScreenResourcesProcPtr)(
	ScreenPtr /*pScreen*/);

typedef    Bool (* ModifyPixmapHeaderProcPtr)(
	PixmapPtr /*pPixmap*/,
	int /*width*/,
	int /*height*/,
	int /*depth*/,
	int /*bitsPerPixel*/,
	int /*devKind*/,
	pointer /*pPixData*/);

typedef    PixmapPtr (* GetWindowPixmapProcPtr)(
	WindowPtr /*pWin*/);

typedef    void (* SetWindowPixmapProcPtr)(
	WindowPtr /*pWin*/,
	PixmapPtr /*pPix*/);

typedef    PixmapPtr (* GetScreenPixmapProcPtr)(
	ScreenPtr /*pScreen*/);

typedef    void (* SetScreenPixmapProcPtr)(
	PixmapPtr /*pPix*/);

typedef    void (* MarkWindowProcPtr)(
	WindowPtr /*pWin*/);

typedef    Bool (* MarkOverlappedWindowsProcPtr)(
	WindowPtr /*parent*/,
	WindowPtr /*firstChild*/,
	WindowPtr * /*pLayerWin*/);

typedef    int (* ConfigNotifyProcPtr)(
	WindowPtr /*pWin*/,
	int /*x*/,
	int /*y*/,
	int /*w*/,
	int /*h*/,
	int /*bw*/,
	WindowPtr /*pSib*/);

typedef    void (* MoveWindowProcPtr)(
	WindowPtr /*pWin*/,
	int /*x*/,
	int /*y*/,
	WindowPtr /*pSib*/,
	VTKind /*kind*/);

typedef    void (* ResizeWindowProcPtr)(
    WindowPtr /*pWin*/,
    int /*x*/,
    int /*y*/, 
    unsigned int /*w*/,
    unsigned int /*h*/,
    WindowPtr /*pSib*/
);

typedef    WindowPtr (* GetLayerWindowProcPtr)(
    WindowPtr /*pWin*/
);

typedef    void (* HandleExposuresProcPtr)(
    WindowPtr /*pWin*/);

typedef    void (* ReparentWindowProcPtr)(
    WindowPtr /*pWin*/,
    WindowPtr /*pPriorParent*/);

typedef    void (* SetShapeProcPtr)(
        WindowPtr /*pWin*/,
        int /* kind */);

typedef    void (* ChangeBorderWidthProcPtr)(
	WindowPtr /*pWin*/,
	unsigned int /*width*/);

typedef    void (* MarkUnrealizedWindowProcPtr)(
	WindowPtr /*pChild*/,
	WindowPtr /*pWin*/,
	Bool /*fromConfigure*/);

typedef    Bool (* DeviceCursorInitializeProcPtr)(
        DeviceIntPtr /* pDev */,
        ScreenPtr    /* pScreen */);

typedef    void (* DeviceCursorCleanupProcPtr)(
        DeviceIntPtr /* pDev */,
        ScreenPtr    /* pScreen */);

typedef struct _Screen {
    int			myNum;	/* index of this instance in Screens[] */
    ATOM		id;
    short		x, y, 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;
    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;
    WindowPtr		root;
    ScreenSaverStuffRec screensaver;

    /* Random screen procedures */

    CloseScreenProcPtr		CloseScreen;
    QueryBestSizeProcPtr	QueryBestSize;
    SaveScreenProcPtr		SaveScreen;
    GetImageProcPtr		GetImage;
    GetSpansProcPtr		GetSpans;
    SourceValidateProcPtr	SourceValidate;

    /* Window Procedures */

    CreateWindowProcPtr		CreateWindow;
    DestroyWindowProcPtr	DestroyWindow;
    PositionWindowProcPtr	PositionWindow;
    ChangeWindowAttributesProcPtr ChangeWindowAttributes;
    RealizeWindowProcPtr	RealizeWindow;
    UnrealizeWindowProcPtr	UnrealizeWindow;
    ValidateTreeProcPtr		ValidateTree;
    PostValidateTreeProcPtr	PostValidateTree;
    WindowExposuresProcPtr	WindowExposures;
    CopyWindowProcPtr		CopyWindow;
    ClearToBackgroundProcPtr	ClearToBackground;
    ClipNotifyProcPtr		ClipNotify;
    RestackWindowProcPtr	RestackWindow;

    /* Pixmap procedures */

    CreatePixmapProcPtr		CreatePixmap;
    DestroyPixmapProcPtr	DestroyPixmap;

    /* 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 */

    BitmapToRegionProcPtr	BitmapToRegion;
    SendGraphicsExposeProcPtr	SendGraphicsExpose;

    /* os layer procedures */

    ScreenBlockHandlerProcPtr	BlockHandler;
    ScreenWakeupHandlerProcPtr	WakeupHandler;

    pointer blockData;
    pointer wakeupData;

    /* anybody can get a piece of this array */
    PrivateRec	*devPrivates;

    CreateScreenResourcesProcPtr CreateScreenResources;
    ModifyPixmapHeaderProcPtr	ModifyPixmapHeader;

    GetWindowPixmapProcPtr	GetWindowPixmap;
    SetWindowPixmapProcPtr	SetWindowPixmap;
    GetScreenPixmapProcPtr	GetScreenPixmap;
    SetScreenPixmapProcPtr	SetScreenPixmap;

    PixmapPtr pScratchPixmap;		/* scratch pixmap "pool" */

    unsigned int		totalPixmapSize;

    MarkWindowProcPtr		MarkWindow;
    MarkOverlappedWindowsProcPtr MarkOverlappedWindows;
    ConfigNotifyProcPtr		ConfigNotify;
    MoveWindowProcPtr		MoveWindow;
    ResizeWindowProcPtr		ResizeWindow;
    GetLayerWindowProcPtr	GetLayerWindow;
    HandleExposuresProcPtr	HandleExposures;
    ReparentWindowProcPtr	ReparentWindow;

    SetShapeProcPtr		SetShape;

    ChangeBorderWidthProcPtr	ChangeBorderWidth;
    MarkUnrealizedWindowProcPtr	MarkUnrealizedWindow;

    /* Device cursor procedures */
    DeviceCursorInitializeProcPtr DeviceCursorInitialize;
    DeviceCursorCleanupProcPtr    DeviceCursorCleanup;

    /* set it in driver side if X server can copy the framebuffer content.
     * Meant to be used together with '-background none' option, avoiding
     * malicious users to steal framebuffer's content if that would be the
     * default */
    Bool		canDoBGNoneRoot;
} ScreenRec;

static inline RegionPtr BitmapToRegion(ScreenPtr _pScreen, PixmapPtr pPix) {
    return (*(_pScreen)->BitmapToRegion)(pPix); /* no mi version?! */
}

typedef struct _ScreenInfo {
    int		imageByteOrder;
    int		bitmapScanlineUnit;
    int		bitmapScanlinePad;
    int		bitmapBitOrder;
    int		numPixmapFormats;
    PixmapFormatRec
		formats[MAXFORMATS];
    int		numScreens;
    ScreenPtr	screens[MAXSCREENS];
} ScreenInfo;

extern _X_EXPORT ScreenInfo screenInfo;

extern _X_EXPORT void InitOutput(
    ScreenInfo 	* /*pScreenInfo*/,
    int     	/*argc*/,
    char    	** /*argv*/);

#endif /* SCREENINTSTRUCT_H */