File: | Xext/panoramiX.c |
Location: | line 441, column 15 |
Description: | Value stored to 'pScreen' during its initialization is never read |
1 | /***************************************************************** |
2 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
3 | Permission is hereby granted, free of charge, to any person obtaining a copy |
4 | of this software and associated documentation files (the "Software"), to deal |
5 | in the Software without restriction, including without limitation the rights |
6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
7 | copies of the Software. |
8 | |
9 | The above copyright notice and this permission notice shall be included in |
10 | all copies or substantial portions of the Software. |
11 | |
12 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
13 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
14 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
15 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
16 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
17 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
18 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
19 | |
20 | Except as contained in this notice, the name of Digital Equipment Corporation |
21 | shall not be used in advertising or otherwise to promote the sale, use or other |
22 | dealings in this Software without prior written authorization from Digital |
23 | Equipment Corporation. |
24 | ******************************************************************/ |
25 | |
26 | #ifdef HAVE_DIX_CONFIG_H1 |
27 | #include <dix-config.h> |
28 | #endif |
29 | |
30 | #ifdef HAVE_DMX_CONFIG_H |
31 | #include <dmx-config.h> |
32 | #endif |
33 | |
34 | #include <stdio.h> |
35 | #include <X11/X.h> |
36 | #include <X11/Xproto.h> |
37 | #include <X11/Xarch.h> |
38 | #include "misc.h" |
39 | #include "cursor.h" |
40 | #include "cursorstr.h" |
41 | #include "extnsionst.h" |
42 | #include "dixstruct.h" |
43 | #include "gc.h" |
44 | #include "gcstruct.h" |
45 | #include "scrnintstr.h" |
46 | #include "window.h" |
47 | #include "windowstr.h" |
48 | #include "pixmapstr.h" |
49 | #include "panoramiX.h" |
50 | #include <X11/extensions/panoramiXproto.h> |
51 | #include "panoramiXsrv.h" |
52 | #include "globals.h" |
53 | #include "servermd.h" |
54 | #include "resource.h" |
55 | #include "picturestr.h" |
56 | #include "xfixesint.h" |
57 | #include "damageextint.h" |
58 | #ifdef COMPOSITE |
59 | #include "compint.h" |
60 | #endif |
61 | #include "extinit.h" |
62 | #include "protocol-versions.h" |
63 | |
64 | #ifdef GLXPROXY |
65 | extern VisualPtr glxMatchVisual(ScreenPtr pScreen, |
66 | VisualPtr pVisual, ScreenPtr pMatchScreen); |
67 | #endif |
68 | |
69 | /* |
70 | * PanoramiX data declarations |
71 | */ |
72 | |
73 | int PanoramiXPixWidth = 0; |
74 | int PanoramiXPixHeight = 0; |
75 | int PanoramiXNumScreens = 0; |
76 | |
77 | _X_EXPORT__attribute__((visibility("default"))) RegionRec PanoramiXScreenRegion = { {0, 0, 0, 0}, NULL((void*)0) }; |
78 | |
79 | static int PanoramiXNumDepths; |
80 | static DepthPtr PanoramiXDepths; |
81 | static int PanoramiXNumVisuals; |
82 | static VisualPtr PanoramiXVisuals; |
83 | |
84 | RESTYPE XRC_DRAWABLE; |
85 | RESTYPE XRT_WINDOW; |
86 | RESTYPE XRT_PIXMAP; |
87 | RESTYPE XRT_GC; |
88 | RESTYPE XRT_COLORMAP; |
89 | |
90 | static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); |
91 | XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; |
92 | |
93 | /* |
94 | * Function prototypes |
95 | */ |
96 | |
97 | static int panoramiXGeneration; |
98 | static int ProcPanoramiXDispatch(ClientPtr client); |
99 | |
100 | static void PanoramiXResetProc(ExtensionEntry *); |
101 | |
102 | /* |
103 | * External references for functions and data variables |
104 | */ |
105 | |
106 | #include "panoramiXh.h" |
107 | |
108 | int (*SavedProcVector[256]) (ClientPtr client) = { |
109 | NULL((void*)0),}; |
110 | |
111 | static DevPrivateKeyRec PanoramiXGCKeyRec; |
112 | |
113 | #define PanoramiXGCKey(&PanoramiXGCKeyRec) (&PanoramiXGCKeyRec) |
114 | static DevPrivateKeyRec PanoramiXScreenKeyRec; |
115 | |
116 | #define PanoramiXScreenKey(&PanoramiXScreenKeyRec) (&PanoramiXScreenKeyRec) |
117 | |
118 | typedef struct { |
119 | DDXPointRec clipOrg; |
120 | DDXPointRec patOrg; |
121 | const GCFuncs *wrapFuncs; |
122 | } PanoramiXGCRec, *PanoramiXGCPtr; |
123 | |
124 | typedef struct { |
125 | CreateGCProcPtr CreateGC; |
126 | CloseScreenProcPtr CloseScreen; |
127 | } PanoramiXScreenRec, *PanoramiXScreenPtr; |
128 | |
129 | static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); |
130 | static void XineramaChangeGC(GCPtr, unsigned long); |
131 | static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); |
132 | static void XineramaDestroyGC(GCPtr); |
133 | static void XineramaChangeClip(GCPtr, int, void *, int); |
134 | static void XineramaDestroyClip(GCPtr); |
135 | static void XineramaCopyClip(GCPtr, GCPtr); |
136 | |
137 | static const GCFuncs XineramaGCFuncs = { |
138 | XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, |
139 | XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip |
140 | }; |
141 | |
142 | #define Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;\ |
143 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ |
144 | dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); \ |
145 | (pGC)->funcs = pGCPriv->wrapFuncs; |
146 | |
147 | #define Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;\ |
148 | pGCPriv->wrapFuncs = (pGC)->funcs;\ |
149 | (pGC)->funcs = &XineramaGCFuncs; |
150 | |
151 | static Bool |
152 | XineramaCloseScreen(ScreenPtr pScreen) |
153 | { |
154 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) |
155 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec)); |
156 | |
157 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
158 | pScreen->CreateGC = pScreenPriv->CreateGC; |
159 | |
160 | if (pScreen->myNum == 0) |
161 | RegionUninit(&PanoramiXScreenRegion); |
162 | |
163 | free(pScreenPriv); |
164 | |
165 | return (*pScreen->CloseScreen) (pScreen); |
166 | } |
167 | |
168 | static Bool |
169 | XineramaCreateGC(GCPtr pGC) |
170 | { |
171 | ScreenPtr pScreen = pGC->pScreen; |
172 | PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) |
173 | dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec)); |
174 | Bool ret; |
175 | |
176 | pScreen->CreateGC = pScreenPriv->CreateGC; |
177 | if ((ret = (*pScreen->CreateGC) (pGC))) { |
178 | PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) |
179 | dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); |
180 | |
181 | pGCPriv->wrapFuncs = pGC->funcs; |
182 | pGC->funcs = &XineramaGCFuncs; |
183 | |
184 | pGCPriv->clipOrg.x = pGC->clipOrg.x; |
185 | pGCPriv->clipOrg.y = pGC->clipOrg.y; |
186 | pGCPriv->patOrg.x = pGC->patOrg.x; |
187 | pGCPriv->patOrg.y = pGC->patOrg.y; |
188 | } |
189 | pScreen->CreateGC = XineramaCreateGC; |
190 | |
191 | return ret; |
192 | } |
193 | |
194 | static void |
195 | XineramaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDraw) |
196 | { |
197 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; |
198 | |
199 | if ((pDraw->type == DRAWABLE_WINDOW0) && !(((WindowPtr) pDraw)->parent)) { |
200 | /* the root window */ |
201 | int x_off = pGC->pScreen->x; |
202 | int y_off = pGC->pScreen->y; |
203 | int new_val; |
204 | |
205 | new_val = pGCPriv->clipOrg.x - x_off; |
206 | if (pGC->clipOrg.x != new_val) { |
207 | pGC->clipOrg.x = new_val; |
208 | changes |= GCClipXOrigin(1L<<17); |
209 | } |
210 | new_val = pGCPriv->clipOrg.y - y_off; |
211 | if (pGC->clipOrg.y != new_val) { |
212 | pGC->clipOrg.y = new_val; |
213 | changes |= GCClipYOrigin(1L<<18); |
214 | } |
215 | new_val = pGCPriv->patOrg.x - x_off; |
216 | if (pGC->patOrg.x != new_val) { |
217 | pGC->patOrg.x = new_val; |
218 | changes |= GCTileStipXOrigin(1L<<12); |
219 | } |
220 | new_val = pGCPriv->patOrg.y - y_off; |
221 | if (pGC->patOrg.y != new_val) { |
222 | pGC->patOrg.y = new_val; |
223 | changes |= GCTileStipYOrigin(1L<<13); |
224 | } |
225 | } |
226 | else { |
227 | if (pGC->clipOrg.x != pGCPriv->clipOrg.x) { |
228 | pGC->clipOrg.x = pGCPriv->clipOrg.x; |
229 | changes |= GCClipXOrigin(1L<<17); |
230 | } |
231 | if (pGC->clipOrg.y != pGCPriv->clipOrg.y) { |
232 | pGC->clipOrg.y = pGCPriv->clipOrg.y; |
233 | changes |= GCClipYOrigin(1L<<18); |
234 | } |
235 | if (pGC->patOrg.x != pGCPriv->patOrg.x) { |
236 | pGC->patOrg.x = pGCPriv->patOrg.x; |
237 | changes |= GCTileStipXOrigin(1L<<12); |
238 | } |
239 | if (pGC->patOrg.y != pGCPriv->patOrg.y) { |
240 | pGC->patOrg.y = pGCPriv->patOrg.y; |
241 | changes |= GCTileStipYOrigin(1L<<13); |
242 | } |
243 | } |
244 | |
245 | (*pGC->funcs->ValidateGC) (pGC, changes, pDraw); |
246 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; |
247 | } |
248 | |
249 | static void |
250 | XineramaDestroyGC(GCPtr pGC) |
251 | { |
252 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; |
253 | (*pGC->funcs->DestroyGC) (pGC); |
254 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; |
255 | } |
256 | |
257 | static void |
258 | XineramaChangeGC(GCPtr pGC, unsigned long mask) |
259 | { |
260 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; |
261 | |
262 | if (mask & GCTileStipXOrigin(1L<<12)) |
263 | pGCPriv->patOrg.x = pGC->patOrg.x; |
264 | if (mask & GCTileStipYOrigin(1L<<13)) |
265 | pGCPriv->patOrg.y = pGC->patOrg.y; |
266 | if (mask & GCClipXOrigin(1L<<17)) |
267 | pGCPriv->clipOrg.x = pGC->clipOrg.x; |
268 | if (mask & GCClipYOrigin(1L<<18)) |
269 | pGCPriv->clipOrg.y = pGC->clipOrg.y; |
270 | |
271 | (*pGC->funcs->ChangeGC) (pGC, mask); |
272 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; |
273 | } |
274 | |
275 | static void |
276 | XineramaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) |
277 | { |
278 | PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) |
279 | dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey(&PanoramiXGCKeyRec)); |
280 | |
281 | Xinerama_GC_FUNC_PROLOGUE(pGCDst)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGCDst)->devPrivates, (&PanoramiXGCKeyRec)); (pGCDst) ->funcs = pGCPriv->wrapFuncs;; |
282 | |
283 | if (mask & GCTileStipXOrigin(1L<<12)) |
284 | pGCPriv->patOrg.x = pSrcPriv->patOrg.x; |
285 | if (mask & GCTileStipYOrigin(1L<<13)) |
286 | pGCPriv->patOrg.y = pSrcPriv->patOrg.y; |
287 | if (mask & GCClipXOrigin(1L<<17)) |
288 | pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; |
289 | if (mask & GCClipYOrigin(1L<<18)) |
290 | pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; |
291 | |
292 | (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); |
293 | Xinerama_GC_FUNC_EPILOGUE(pGCDst)pGCPriv->wrapFuncs = (pGCDst)->funcs; (pGCDst)->funcs = &XineramaGCFuncs;; |
294 | } |
295 | |
296 | static void |
297 | XineramaChangeClip(GCPtr pGC, int type, void *pvalue, int nrects) |
298 | { |
299 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; |
300 | (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); |
301 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; |
302 | } |
303 | |
304 | static void |
305 | XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) |
306 | { |
307 | Xinerama_GC_FUNC_PROLOGUE(pgcDst)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pgcDst)->devPrivates, (&PanoramiXGCKeyRec)); (pgcDst) ->funcs = pGCPriv->wrapFuncs;; |
308 | (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc); |
309 | Xinerama_GC_FUNC_EPILOGUE(pgcDst)pGCPriv->wrapFuncs = (pgcDst)->funcs; (pgcDst)->funcs = &XineramaGCFuncs;; |
310 | } |
311 | |
312 | static void |
313 | XineramaDestroyClip(GCPtr pGC) |
314 | { |
315 | Xinerama_GC_FUNC_PROLOGUE(pGC)PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) dixLookupPrivate(& (pGC)->devPrivates, (&PanoramiXGCKeyRec)); (pGC)->funcs = pGCPriv->wrapFuncs;; |
316 | (*pGC->funcs->DestroyClip) (pGC); |
317 | Xinerama_GC_FUNC_EPILOGUE(pGC)pGCPriv->wrapFuncs = (pGC)->funcs; (pGC)->funcs = & XineramaGCFuncs;; |
318 | } |
319 | |
320 | int |
321 | XineramaDeleteResource(void *data, XID id) |
322 | { |
323 | free(data); |
324 | return 1; |
325 | } |
326 | |
327 | typedef struct { |
328 | int screen; |
329 | int id; |
330 | } PanoramiXSearchData; |
331 | |
332 | static Bool |
333 | XineramaFindIDByScrnum(void *resource, XID id, void *privdata) |
334 | { |
335 | PanoramiXRes *res = (PanoramiXRes *) resource; |
336 | PanoramiXSearchData *data = (PanoramiXSearchData *) privdata; |
337 | |
338 | return res->info[data->screen].id == data->id; |
339 | } |
340 | |
341 | PanoramiXRes * |
342 | PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) |
343 | { |
344 | PanoramiXSearchData data; |
345 | void *val; |
346 | |
347 | if (!screen) { |
348 | dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess(1<<0)); |
349 | return val; |
350 | } |
351 | |
352 | data.screen = screen; |
353 | data.id = id; |
354 | |
355 | return LookupClientResourceComplex(clients[CLIENT_ID(id)((int)(((id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))], type, |
356 | XineramaFindIDByScrnum, &data); |
357 | } |
358 | |
359 | typedef struct _connect_callback_list { |
360 | void (*func) (void); |
361 | struct _connect_callback_list *next; |
362 | } XineramaConnectionCallbackList; |
363 | |
364 | static XineramaConnectionCallbackList *ConnectionCallbackList = NULL((void*)0); |
365 | |
366 | Bool |
367 | XineramaRegisterConnectionBlockCallback(void (*func) (void)) |
368 | { |
369 | XineramaConnectionCallbackList *newlist; |
370 | |
371 | if (!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) |
372 | return FALSE0; |
373 | |
374 | newlist->next = ConnectionCallbackList; |
375 | newlist->func = func; |
376 | ConnectionCallbackList = newlist; |
377 | |
378 | return TRUE1; |
379 | } |
380 | |
381 | static void |
382 | XineramaInitData(void) |
383 | { |
384 | int i, w, h; |
385 | |
386 | RegionNull(&PanoramiXScreenRegion); |
387 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
388 | BoxRec TheBox; |
389 | RegionRec ScreenRegion; |
390 | |
391 | ScreenPtr pScreen = screenInfo.screens[i]; |
392 | |
393 | TheBox.x1 = pScreen->x; |
394 | TheBox.x2 = TheBox.x1 + pScreen->width; |
395 | TheBox.y1 = pScreen->y; |
396 | TheBox.y2 = TheBox.y1 + pScreen->height; |
397 | |
398 | RegionInit(&ScreenRegion, &TheBox, 1); |
399 | RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, |
400 | &ScreenRegion); |
401 | RegionUninit(&ScreenRegion); |
402 | } |
403 | |
404 | PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; |
405 | PanoramiXPixHeight = |
406 | screenInfo.screens[0]->y + screenInfo.screens[0]->height; |
407 | |
408 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { |
409 | ScreenPtr pScreen = screenInfo.screens[i]; |
410 | |
411 | w = pScreen->x + pScreen->width; |
412 | h = pScreen->y + pScreen->height; |
413 | |
414 | if (PanoramiXPixWidth < w) |
415 | PanoramiXPixWidth = w; |
416 | if (PanoramiXPixHeight < h) |
417 | PanoramiXPixHeight = h; |
418 | } |
419 | } |
420 | |
421 | void |
422 | XineramaReinitData(void) |
423 | { |
424 | RegionUninit(&PanoramiXScreenRegion); |
425 | XineramaInitData(); |
426 | } |
427 | |
428 | /* |
429 | * PanoramiXExtensionInit(): |
430 | * Called from InitExtensions in main(). |
431 | * Register PanoramiXeen Extension |
432 | * Initialize global variables. |
433 | */ |
434 | |
435 | void |
436 | PanoramiXExtensionInit(void) |
437 | { |
438 | int i; |
439 | Bool success = FALSE0; |
440 | ExtensionEntry *extEntry; |
441 | ScreenPtr pScreen = screenInfo.screens[0]; |
Value stored to 'pScreen' during its initialization is never read | |
442 | PanoramiXScreenPtr pScreenPriv; |
443 | |
444 | if (noPanoramiXExtension) |
445 | return; |
446 | |
447 | if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { |
448 | noPanoramiXExtension = TRUE1; |
449 | return; |
450 | } |
451 | |
452 | if (!dixRegisterPrivateKey |
453 | (&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { |
454 | noPanoramiXExtension = TRUE1; |
455 | return; |
456 | } |
457 | |
458 | PanoramiXNumScreens = screenInfo.numScreens; |
459 | if (PanoramiXNumScreens == 1) { /* Only 1 screen */ |
460 | noPanoramiXExtension = TRUE1; |
461 | return; |
462 | } |
463 | |
464 | while (panoramiXGeneration != serverGeneration) { |
465 | extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME"XINERAMA", 0, 0, |
466 | ProcPanoramiXDispatch, |
467 | SProcPanoramiXDispatch, PanoramiXResetProc, |
468 | StandardMinorOpcode); |
469 | if (!extEntry) |
470 | break; |
471 | |
472 | /* |
473 | * First make sure all the basic allocations succeed. If not, |
474 | * run in non-PanoramiXeen mode. |
475 | */ |
476 | |
477 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
478 | pScreen = screenInfo.screens[i]; |
479 | pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); |
480 | dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey(&PanoramiXScreenKeyRec), |
481 | pScreenPriv); |
482 | if (!pScreenPriv) { |
483 | noPanoramiXExtension = TRUE1; |
484 | return; |
485 | } |
486 | |
487 | pScreenPriv->CreateGC = pScreen->CreateGC; |
488 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
489 | |
490 | pScreen->CreateGC = XineramaCreateGC; |
491 | pScreen->CloseScreen = XineramaCloseScreen; |
492 | } |
493 | |
494 | XRC_DRAWABLE = CreateNewResourceClass(); |
495 | XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, |
496 | "XineramaWindow"); |
497 | if (XRT_WINDOW) |
498 | XRT_WINDOW |= XRC_DRAWABLE; |
499 | XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, |
500 | "XineramaPixmap"); |
501 | if (XRT_PIXMAP) |
502 | XRT_PIXMAP |= XRC_DRAWABLE; |
503 | XRT_GC = CreateNewResourceType(XineramaDeleteResource, "XineramaGC"); |
504 | XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, |
505 | "XineramaColormap"); |
506 | |
507 | if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { |
508 | panoramiXGeneration = serverGeneration; |
509 | success = TRUE1; |
510 | } |
511 | SetResourceTypeErrorValue(XRT_WINDOW, BadWindow3); |
512 | SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap4); |
513 | SetResourceTypeErrorValue(XRT_GC, BadGC13); |
514 | SetResourceTypeErrorValue(XRT_COLORMAP, BadColor12); |
515 | } |
516 | |
517 | if (!success) { |
518 | noPanoramiXExtension = TRUE1; |
519 | ErrorF(PANORAMIX_PROTOCOL_NAME"XINERAMA" " extension failed to initialize\n"); |
520 | return; |
521 | } |
522 | |
523 | XineramaInitData(); |
524 | |
525 | /* |
526 | * Put our processes into the ProcVector |
527 | */ |
528 | |
529 | for (i = 256; i--;) |
530 | SavedProcVector[i] = ProcVector[i]; |
531 | |
532 | ProcVector[X_CreateWindow1] = PanoramiXCreateWindow; |
533 | ProcVector[X_ChangeWindowAttributes2] = PanoramiXChangeWindowAttributes; |
534 | ProcVector[X_DestroyWindow4] = PanoramiXDestroyWindow; |
535 | ProcVector[X_DestroySubwindows5] = PanoramiXDestroySubwindows; |
536 | ProcVector[X_ChangeSaveSet6] = PanoramiXChangeSaveSet; |
537 | ProcVector[X_ReparentWindow7] = PanoramiXReparentWindow; |
538 | ProcVector[X_MapWindow8] = PanoramiXMapWindow; |
539 | ProcVector[X_MapSubwindows9] = PanoramiXMapSubwindows; |
540 | ProcVector[X_UnmapWindow10] = PanoramiXUnmapWindow; |
541 | ProcVector[X_UnmapSubwindows11] = PanoramiXUnmapSubwindows; |
542 | ProcVector[X_ConfigureWindow12] = PanoramiXConfigureWindow; |
543 | ProcVector[X_CirculateWindow13] = PanoramiXCirculateWindow; |
544 | ProcVector[X_GetGeometry14] = PanoramiXGetGeometry; |
545 | ProcVector[X_TranslateCoords40] = PanoramiXTranslateCoords; |
546 | ProcVector[X_CreatePixmap53] = PanoramiXCreatePixmap; |
547 | ProcVector[X_FreePixmap54] = PanoramiXFreePixmap; |
548 | ProcVector[X_CreateGC55] = PanoramiXCreateGC; |
549 | ProcVector[X_ChangeGC56] = PanoramiXChangeGC; |
550 | ProcVector[X_CopyGC57] = PanoramiXCopyGC; |
551 | ProcVector[X_SetDashes58] = PanoramiXSetDashes; |
552 | ProcVector[X_SetClipRectangles59] = PanoramiXSetClipRectangles; |
553 | ProcVector[X_FreeGC60] = PanoramiXFreeGC; |
554 | ProcVector[X_ClearArea61] = PanoramiXClearToBackground; |
555 | ProcVector[X_CopyArea62] = PanoramiXCopyArea; |
556 | ProcVector[X_CopyPlane63] = PanoramiXCopyPlane; |
557 | ProcVector[X_PolyPoint64] = PanoramiXPolyPoint; |
558 | ProcVector[X_PolyLine65] = PanoramiXPolyLine; |
559 | ProcVector[X_PolySegment66] = PanoramiXPolySegment; |
560 | ProcVector[X_PolyRectangle67] = PanoramiXPolyRectangle; |
561 | ProcVector[X_PolyArc68] = PanoramiXPolyArc; |
562 | ProcVector[X_FillPoly69] = PanoramiXFillPoly; |
563 | ProcVector[X_PolyFillRectangle70] = PanoramiXPolyFillRectangle; |
564 | ProcVector[X_PolyFillArc71] = PanoramiXPolyFillArc; |
565 | ProcVector[X_PutImage72] = PanoramiXPutImage; |
566 | ProcVector[X_GetImage73] = PanoramiXGetImage; |
567 | ProcVector[X_PolyText874] = PanoramiXPolyText8; |
568 | ProcVector[X_PolyText1675] = PanoramiXPolyText16; |
569 | ProcVector[X_ImageText876] = PanoramiXImageText8; |
570 | ProcVector[X_ImageText1677] = PanoramiXImageText16; |
571 | ProcVector[X_CreateColormap78] = PanoramiXCreateColormap; |
572 | ProcVector[X_FreeColormap79] = PanoramiXFreeColormap; |
573 | ProcVector[X_CopyColormapAndFree80] = PanoramiXCopyColormapAndFree; |
574 | ProcVector[X_InstallColormap81] = PanoramiXInstallColormap; |
575 | ProcVector[X_UninstallColormap82] = PanoramiXUninstallColormap; |
576 | ProcVector[X_AllocColor84] = PanoramiXAllocColor; |
577 | ProcVector[X_AllocNamedColor85] = PanoramiXAllocNamedColor; |
578 | ProcVector[X_AllocColorCells86] = PanoramiXAllocColorCells; |
579 | ProcVector[X_AllocColorPlanes87] = PanoramiXAllocColorPlanes; |
580 | ProcVector[X_FreeColors88] = PanoramiXFreeColors; |
581 | ProcVector[X_StoreColors89] = PanoramiXStoreColors; |
582 | ProcVector[X_StoreNamedColor90] = PanoramiXStoreNamedColor; |
583 | |
584 | PanoramiXRenderInit(); |
585 | PanoramiXFixesInit(); |
586 | PanoramiXDamageInit(); |
587 | #ifdef COMPOSITE |
588 | PanoramiXCompositeInit(); |
589 | #endif |
590 | |
591 | } |
592 | |
593 | Bool |
594 | PanoramiXCreateConnectionBlock(void) |
595 | { |
596 | int i, j, length; |
597 | Bool disable_backing_store = FALSE0; |
598 | int old_width, old_height; |
599 | float width_mult, height_mult; |
600 | xWindowRoot *root; |
601 | xVisualType *visual; |
602 | xDepth *depth; |
603 | VisualPtr pVisual; |
604 | ScreenPtr pScreen; |
605 | |
606 | /* |
607 | * Do normal CreateConnectionBlock but faking it for only one screen |
608 | */ |
609 | |
610 | if (!PanoramiXNumDepths) { |
611 | ErrorF("Xinerama error: No common visuals\n"); |
612 | return FALSE0; |
613 | } |
614 | |
615 | for (i = 1; i < screenInfo.numScreens; i++) { |
616 | pScreen = screenInfo.screens[i]; |
617 | if (pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { |
618 | ErrorF("Xinerama error: Root window depths differ\n"); |
619 | return FALSE0; |
620 | } |
621 | if (pScreen->backingStoreSupport != |
622 | screenInfo.screens[0]->backingStoreSupport) |
623 | disable_backing_store = TRUE1; |
624 | } |
625 | |
626 | if (disable_backing_store) { |
627 | for (i = 0; i < screenInfo.numScreens; i++) { |
628 | pScreen = screenInfo.screens[i]; |
629 | pScreen->backingStoreSupport = NotUseful0; |
630 | } |
631 | } |
632 | |
633 | i = screenInfo.numScreens; |
634 | screenInfo.numScreens = 1; |
635 | if (!CreateConnectionBlock()) { |
636 | screenInfo.numScreens = i; |
637 | return FALSE0; |
638 | } |
639 | |
640 | screenInfo.numScreens = i; |
641 | |
642 | root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); |
643 | length = connBlockScreenStart + sizeof(xWindowRoot); |
644 | |
645 | /* overwrite the connection block */ |
646 | root->nDepths = PanoramiXNumDepths; |
647 | |
648 | for (i = 0; i < PanoramiXNumDepths; i++) { |
649 | depth = (xDepth *) (ConnectionInfo + length); |
650 | depth->depth = PanoramiXDepths[i].depth; |
651 | depth->nVisuals = PanoramiXDepths[i].numVids; |
652 | length += sizeof(xDepth); |
653 | visual = (xVisualType *) (ConnectionInfo + length); |
654 | |
655 | for (j = 0; j < depth->nVisuals; j++, visual++) { |
656 | visual->visualID = PanoramiXDepths[i].vids[j]; |
657 | |
658 | for (pVisual = PanoramiXVisuals; |
659 | pVisual->vid != visual->visualID; pVisual++); |
660 | |
661 | visual->class = pVisual->class; |
662 | visual->bitsPerRGB = pVisual->bitsPerRGBValue; |
663 | visual->colormapEntries = pVisual->ColormapEntries; |
664 | visual->redMask = pVisual->redMask; |
665 | visual->greenMask = pVisual->greenMask; |
666 | visual->blueMask = pVisual->blueMask; |
667 | } |
668 | |
669 | length += (depth->nVisuals * sizeof(xVisualType)); |
670 | } |
671 | |
672 | connSetupPrefix.length = bytes_to_int32(length); |
673 | |
674 | for (i = 0; i < PanoramiXNumDepths; i++) |
675 | free(PanoramiXDepths[i].vids); |
676 | free(PanoramiXDepths); |
677 | PanoramiXDepths = NULL((void*)0); |
678 | |
679 | /* |
680 | * OK, change some dimensions so it looks as if it were one big screen |
681 | */ |
682 | |
683 | old_width = root->pixWidth; |
684 | old_height = root->pixHeight; |
685 | |
686 | root->pixWidth = PanoramiXPixWidth; |
687 | root->pixHeight = PanoramiXPixHeight; |
688 | width_mult = (1.0 * root->pixWidth) / old_width; |
689 | height_mult = (1.0 * root->pixHeight) / old_height; |
690 | root->mmWidth *= width_mult; |
691 | root->mmHeight *= height_mult; |
692 | |
693 | while (ConnectionCallbackList) { |
694 | void *tmp; |
695 | |
696 | tmp = (void *) ConnectionCallbackList; |
697 | (*ConnectionCallbackList->func) (); |
698 | ConnectionCallbackList = ConnectionCallbackList->next; |
699 | free(tmp); |
700 | } |
701 | |
702 | return TRUE1; |
703 | } |
704 | |
705 | /* |
706 | * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that |
707 | * change way back before xf86 4.0, but the comment for _why_ is a bit |
708 | * opaque, so I'm not going to question it for now. |
709 | * |
710 | * This is probably better done as a screen hook so DBE/EVI/GLX can add |
711 | * their own tests, and adding privates to VisualRec so they don't have to |
712 | * do their own back-mapping. |
713 | */ |
714 | static Bool |
715 | VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) |
716 | { |
717 | return ((a->class == b->class) && |
718 | (a->ColormapEntries == b->ColormapEntries) && |
719 | (a->nplanes == b->nplanes) && |
720 | (a->redMask == b->redMask) && |
721 | (a->greenMask == b->greenMask) && |
722 | (a->blueMask == b->blueMask) && |
723 | (a->offsetRed == b->offsetRed) && |
724 | (a->offsetGreen == b->offsetGreen) && |
725 | (a->offsetBlue == b->offsetBlue)); |
726 | } |
727 | |
728 | static void |
729 | PanoramiXMaybeAddDepth(DepthPtr pDepth) |
730 | { |
731 | ScreenPtr pScreen; |
732 | int j, k; |
733 | Bool found = FALSE0; |
734 | |
735 | FOR_NSCREENS_FORWARD_SKIP(j)for(j = 1; j < PanoramiXNumScreens; j++) { |
736 | pScreen = screenInfo.screens[j]; |
737 | for (k = 0; k < pScreen->numDepths; k++) { |
738 | if (pScreen->allowedDepths[k].depth == pDepth->depth) { |
739 | found = TRUE1; |
740 | break; |
741 | } |
742 | } |
743 | } |
744 | |
745 | if (!found) |
746 | return; |
747 | |
748 | j = PanoramiXNumDepths; |
749 | PanoramiXNumDepths++; |
750 | PanoramiXDepths = realloc(PanoramiXDepths, |
751 | PanoramiXNumDepths * sizeof(DepthRec)); |
752 | PanoramiXDepths[j].depth = pDepth->depth; |
753 | PanoramiXDepths[j].numVids = 0; |
754 | /* XXX suboptimal, should grow these dynamically */ |
755 | if (pDepth->numVids) |
756 | PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); |
757 | else |
758 | PanoramiXDepths[j].vids = NULL((void*)0); |
759 | } |
760 | |
761 | static void |
762 | PanoramiXMaybeAddVisual(VisualPtr pVisual) |
763 | { |
764 | ScreenPtr pScreen; |
765 | int j, k; |
766 | Bool found = FALSE0; |
767 | |
768 | FOR_NSCREENS_FORWARD_SKIP(j)for(j = 1; j < PanoramiXNumScreens; j++) { |
769 | pScreen = screenInfo.screens[j]; |
770 | found = FALSE0; |
771 | |
772 | for (k = 0; k < pScreen->numVisuals; k++) { |
773 | VisualPtr candidate = &pScreen->visuals[k]; |
774 | |
775 | if ((*XineramaVisualsEqualPtr) (pVisual, pScreen, candidate) |
776 | #ifdef GLXPROXY |
777 | && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) |
778 | #endif |
779 | ) { |
780 | found = TRUE1; |
781 | break; |
782 | } |
783 | } |
784 | |
785 | if (!found) |
786 | return; |
787 | } |
788 | |
789 | /* found a matching visual on all screens, add it to the subset list */ |
790 | j = PanoramiXNumVisuals; |
791 | PanoramiXNumVisuals++; |
792 | PanoramiXVisuals = realloc(PanoramiXVisuals, |
793 | PanoramiXNumVisuals * sizeof(VisualRec)); |
794 | |
795 | memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec))__builtin___memcpy_chk (&PanoramiXVisuals[j], pVisual, sizeof (VisualRec), __builtin_object_size (&PanoramiXVisuals[j], 0)); |
796 | |
797 | for (k = 0; k < PanoramiXNumDepths; k++) { |
798 | if (PanoramiXDepths[k].depth == pVisual->nplanes) { |
799 | PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; |
800 | PanoramiXDepths[k].numVids++; |
801 | break; |
802 | } |
803 | } |
804 | } |
805 | |
806 | extern void |
807 | PanoramiXConsolidate(void) |
808 | { |
809 | int i; |
810 | PanoramiXRes *root, *defmap, *saver; |
811 | ScreenPtr pScreen = screenInfo.screens[0]; |
812 | DepthPtr pDepth = pScreen->allowedDepths; |
813 | VisualPtr pVisual = pScreen->visuals; |
814 | |
815 | PanoramiXNumDepths = 0; |
816 | PanoramiXNumVisuals = 0; |
817 | |
818 | for (i = 0; i < pScreen->numDepths; i++) |
819 | PanoramiXMaybeAddDepth(pDepth++); |
820 | |
821 | for (i = 0; i < pScreen->numVisuals; i++) |
822 | PanoramiXMaybeAddVisual(pVisual++); |
823 | |
824 | root = malloc(sizeof(PanoramiXRes)); |
825 | root->type = XRT_WINDOW; |
826 | defmap = malloc(sizeof(PanoramiXRes)); |
827 | defmap->type = XRT_COLORMAP; |
828 | saver = malloc(sizeof(PanoramiXRes)); |
829 | saver->type = XRT_WINDOW; |
830 | |
831 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
832 | ScreenPtr scr = screenInfo.screens[i]; |
833 | |
834 | root->info[i].id = scr->root->drawable.id; |
835 | root->u.win.class = InputOutput1; |
836 | root->u.win.root = TRUE1; |
837 | saver->info[i].id = scr->screensaver.wid; |
838 | saver->u.win.class = InputOutput1; |
839 | saver->u.win.root = TRUE1; |
840 | defmap->info[i].id = scr->defColormap; |
841 | } |
842 | |
843 | AddResourceDarwin_X_AddResource(root->info[0].id, XRT_WINDOW, root); |
844 | AddResourceDarwin_X_AddResource(saver->info[0].id, XRT_WINDOW, saver); |
845 | AddResourceDarwin_X_AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); |
846 | } |
847 | |
848 | VisualID |
849 | PanoramiXTranslateVisualID(int screen, VisualID orig) |
850 | { |
851 | ScreenPtr pOtherScreen = screenInfo.screens[screen]; |
852 | VisualPtr pVisual = NULL((void*)0); |
853 | int i; |
854 | |
855 | for (i = 0; i < PanoramiXNumVisuals; i++) { |
856 | if (orig == PanoramiXVisuals[i].vid) { |
857 | pVisual = &PanoramiXVisuals[i]; |
858 | break; |
859 | } |
860 | } |
861 | |
862 | if (!pVisual) |
863 | return 0; |
864 | |
865 | /* if screen is 0, orig is already the correct visual ID */ |
866 | if (screen == 0) |
867 | return orig; |
868 | |
869 | /* found the original, now translate it relative to the backend screen */ |
870 | for (i = 0; i < pOtherScreen->numVisuals; i++) { |
871 | VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; |
872 | |
873 | if ((*XineramaVisualsEqualPtr) (pVisual, pOtherScreen, pOtherVisual)) |
874 | return pOtherVisual->vid; |
875 | } |
876 | |
877 | return 0; |
878 | } |
879 | |
880 | /* |
881 | * PanoramiXResetProc() |
882 | * Exit, deallocating as needed. |
883 | */ |
884 | |
885 | static void |
886 | PanoramiXResetProc(ExtensionEntry * extEntry) |
887 | { |
888 | int i; |
889 | |
890 | PanoramiXRenderReset(); |
891 | PanoramiXFixesReset(); |
892 | PanoramiXDamageReset(); |
893 | #ifdef COMPOSITE |
894 | PanoramiXCompositeReset (); |
895 | #endif |
896 | screenInfo.numScreens = PanoramiXNumScreens; |
897 | for (i = 256; i--;) |
898 | ProcVector[i] = SavedProcVector[i]; |
899 | } |
900 | |
901 | int |
902 | ProcPanoramiXQueryVersion(ClientPtr client) |
903 | { |
904 | /* REQUEST(xPanoramiXQueryVersionReq); */ |
905 | xPanoramiXQueryVersionReply rep = { |
906 | .type = X_Reply1, |
907 | .sequenceNumber = client->sequence, |
908 | .length = 0, |
909 | .majorVersion = SERVER_PANORAMIX_MAJOR_VERSION1, |
910 | .minorVersion = SERVER_PANORAMIX_MINOR_VERSION1 |
911 | }; |
912 | |
913 | REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq)if ((sizeof(xPanoramiXQueryVersionReq) >> 2) != client-> req_len) return(16); |
914 | if (client->swapped) { |
915 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
916 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
917 | swaps(&rep.majorVersion)do { if (sizeof(*(&rep.majorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.majorVersion) & 1) && ((uintptr_t)(&rep.majorVersion) & 1) == 0) *(&rep.majorVersion) = lswaps(*(&rep.majorVersion )); else swap_uint16((uint16_t *)(&rep.majorVersion)); } while (0); |
918 | swaps(&rep.minorVersion)do { if (sizeof(*(&rep.minorVersion)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&rep.minorVersion) & 1) && ((uintptr_t)(&rep.minorVersion) & 1) == 0) *(&rep.minorVersion) = lswaps(*(&rep.minorVersion )); else swap_uint16((uint16_t *)(&rep.minorVersion)); } while (0); |
919 | } |
920 | WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), &rep); |
921 | return Success0; |
922 | } |
923 | |
924 | int |
925 | ProcPanoramiXGetState(ClientPtr client) |
926 | { |
927 | REQUEST(xPanoramiXGetStateReq)xPanoramiXGetStateReq *stuff = (xPanoramiXGetStateReq *)client ->requestBuffer; |
928 | WindowPtr pWin; |
929 | xPanoramiXGetStateReply rep; |
930 | int rc; |
931 | |
932 | REQUEST_SIZE_MATCH(xPanoramiXGetStateReq)if ((sizeof(xPanoramiXGetStateReq) >> 2) != client-> req_len) return(16); |
933 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); |
934 | if (rc != Success0) |
935 | return rc; |
936 | |
937 | rep = (xPanoramiXGetStateReply) { |
938 | .type = X_Reply1, |
939 | .state = !noPanoramiXExtension, |
940 | .sequenceNumber = client->sequence, |
941 | .length = 0, |
942 | .window = stuff->window |
943 | }; |
944 | if (client->swapped) { |
945 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
946 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
947 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); |
948 | } |
949 | WriteToClient(client, sizeof(xPanoramiXGetStateReply), &rep); |
950 | return Success0; |
951 | |
952 | } |
953 | |
954 | int |
955 | ProcPanoramiXGetScreenCount(ClientPtr client) |
956 | { |
957 | REQUEST(xPanoramiXGetScreenCountReq)xPanoramiXGetScreenCountReq *stuff = (xPanoramiXGetScreenCountReq *)client->requestBuffer; |
958 | WindowPtr pWin; |
959 | xPanoramiXGetScreenCountReply rep; |
960 | int rc; |
961 | |
962 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq)if ((sizeof(xPanoramiXGetScreenCountReq) >> 2) != client ->req_len) return(16); |
963 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); |
964 | if (rc != Success0) |
965 | return rc; |
966 | |
967 | rep = (xPanoramiXGetScreenCountReply) { |
968 | .type = X_Reply1, |
969 | .ScreenCount = PanoramiXNumScreens, |
970 | .sequenceNumber = client->sequence, |
971 | .length = 0, |
972 | .window = stuff->window |
973 | }; |
974 | if (client->swapped) { |
975 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
976 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
977 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); |
978 | } |
979 | WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), &rep); |
980 | return Success0; |
981 | } |
982 | |
983 | int |
984 | ProcPanoramiXGetScreenSize(ClientPtr client) |
985 | { |
986 | REQUEST(xPanoramiXGetScreenSizeReq)xPanoramiXGetScreenSizeReq *stuff = (xPanoramiXGetScreenSizeReq *)client->requestBuffer; |
987 | WindowPtr pWin; |
988 | xPanoramiXGetScreenSizeReply rep; |
989 | int rc; |
990 | |
991 | if (stuff->screen >= PanoramiXNumScreens) |
992 | return BadMatch8; |
993 | |
994 | REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq)if ((sizeof(xPanoramiXGetScreenSizeReq) >> 2) != client ->req_len) return(16); |
995 | rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess(1<<4)); |
996 | if (rc != Success0) |
997 | return rc; |
998 | |
999 | rep = (xPanoramiXGetScreenSizeReply) { |
1000 | .type = X_Reply1, |
1001 | .sequenceNumber = client->sequence, |
1002 | .length = 0, |
1003 | /* screen dimensions */ |
1004 | .width = screenInfo.screens[stuff->screen]->width, |
1005 | .height = screenInfo.screens[stuff->screen]->height, |
1006 | .window = stuff->window, |
1007 | .screen = stuff->screen |
1008 | }; |
1009 | if (client->swapped) { |
1010 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
1011 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
1012 | swapl(&rep.width)do { if (sizeof(*(&rep.width)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.width) & 3) && ((uintptr_t) (&rep.width) & 3) == 0) *(&rep.width) = lswapl(*( &rep.width)); else swap_uint32((uint32_t *)(&rep.width )); } while (0); |
1013 | swapl(&rep.height)do { if (sizeof(*(&rep.height)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.height) & 3) && ((uintptr_t )(&rep.height) & 3) == 0) *(&rep.height) = lswapl (*(&rep.height)); else swap_uint32((uint32_t *)(&rep. height)); } while (0); |
1014 | swapl(&rep.window)do { if (sizeof(*(&rep.window)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.window) & 3) && ((uintptr_t )(&rep.window) & 3) == 0) *(&rep.window) = lswapl (*(&rep.window)); else swap_uint32((uint32_t *)(&rep. window)); } while (0); |
1015 | swapl(&rep.screen)do { if (sizeof(*(&rep.screen)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.screen) & 3) && ((uintptr_t )(&rep.screen) & 3) == 0) *(&rep.screen) = lswapl (*(&rep.screen)); else swap_uint32((uint32_t *)(&rep. screen)); } while (0); |
1016 | } |
1017 | WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), &rep); |
1018 | return Success0; |
1019 | } |
1020 | |
1021 | int |
1022 | ProcXineramaIsActive(ClientPtr client) |
1023 | { |
1024 | /* REQUEST(xXineramaIsActiveReq); */ |
1025 | xXineramaIsActiveReply rep; |
1026 | |
1027 | REQUEST_SIZE_MATCH(xXineramaIsActiveReq)if ((sizeof(xXineramaIsActiveReq) >> 2) != client->req_len ) return(16); |
1028 | |
1029 | rep = (xXineramaIsActiveReply) { |
1030 | .type = X_Reply1, |
1031 | .sequenceNumber = client->sequence, |
1032 | .length = 0, |
1033 | #if 1 |
1034 | /* The following hack fools clients into thinking that Xinerama |
1035 | * is disabled even though it is not. */ |
1036 | .state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack |
1037 | #else |
1038 | .state = !noPanoramiXExtension; |
1039 | #endif |
1040 | }; |
1041 | if (client->swapped) { |
1042 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
1043 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
1044 | swapl(&rep.state)do { if (sizeof(*(&rep.state)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.state) & 3) && ((uintptr_t) (&rep.state) & 3) == 0) *(&rep.state) = lswapl(*( &rep.state)); else swap_uint32((uint32_t *)(&rep.state )); } while (0); |
1045 | } |
1046 | WriteToClient(client, sizeof(xXineramaIsActiveReply), &rep); |
1047 | return Success0; |
1048 | } |
1049 | |
1050 | int |
1051 | ProcXineramaQueryScreens(ClientPtr client) |
1052 | { |
1053 | /* REQUEST(xXineramaQueryScreensReq); */ |
1054 | CARD32 number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; |
1055 | xXineramaQueryScreensReply rep = { |
1056 | .type = X_Reply1, |
1057 | .sequenceNumber = client->sequence, |
1058 | .length = bytes_to_int32(number * sz_XineramaScreenInfo8), |
1059 | .number = number |
1060 | }; |
1061 | |
1062 | REQUEST_SIZE_MATCH(xXineramaQueryScreensReq)if ((sizeof(xXineramaQueryScreensReq) >> 2) != client-> req_len) return(16); |
1063 | |
1064 | if (client->swapped) { |
1065 | swaps(&rep.sequenceNumber)do { if (sizeof(*(&rep.sequenceNumber)) != 2) wrong_size( ); if (__builtin_constant_p((uintptr_t)(&rep.sequenceNumber ) & 1) && ((uintptr_t)(&rep.sequenceNumber) & 1) == 0) *(&rep.sequenceNumber) = lswaps(*(&rep.sequenceNumber )); else swap_uint16((uint16_t *)(&rep.sequenceNumber)); } while (0); |
1066 | swapl(&rep.length)do { if (sizeof(*(&rep.length)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.length) & 3) && ((uintptr_t )(&rep.length) & 3) == 0) *(&rep.length) = lswapl (*(&rep.length)); else swap_uint32((uint32_t *)(&rep. length)); } while (0); |
1067 | swapl(&rep.number)do { if (sizeof(*(&rep.number)) != 4) wrong_size(); if (__builtin_constant_p ((uintptr_t)(&rep.number) & 3) && ((uintptr_t )(&rep.number) & 3) == 0) *(&rep.number) = lswapl (*(&rep.number)); else swap_uint32((uint32_t *)(&rep. number)); } while (0); |
1068 | } |
1069 | WriteToClient(client, sizeof(xXineramaQueryScreensReply), &rep); |
1070 | |
1071 | if (!noPanoramiXExtension) { |
1072 | xXineramaScreenInfo scratch; |
1073 | int i; |
1074 | |
1075 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
1076 | scratch.x_org = screenInfo.screens[i]->x; |
1077 | scratch.y_org = screenInfo.screens[i]->y; |
1078 | scratch.width = screenInfo.screens[i]->width; |
1079 | scratch.height = screenInfo.screens[i]->height; |
1080 | |
1081 | if (client->swapped) { |
1082 | swaps(&scratch.x_org)do { if (sizeof(*(&scratch.x_org)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.x_org) & 1 ) && ((uintptr_t)(&scratch.x_org) & 1) == 0) * (&scratch.x_org) = lswaps(*(&scratch.x_org)); else swap_uint16 ((uint16_t *)(&scratch.x_org)); } while (0); |
1083 | swaps(&scratch.y_org)do { if (sizeof(*(&scratch.y_org)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.y_org) & 1 ) && ((uintptr_t)(&scratch.y_org) & 1) == 0) * (&scratch.y_org) = lswaps(*(&scratch.y_org)); else swap_uint16 ((uint16_t *)(&scratch.y_org)); } while (0); |
1084 | swaps(&scratch.width)do { if (sizeof(*(&scratch.width)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.width) & 1 ) && ((uintptr_t)(&scratch.width) & 1) == 0) * (&scratch.width) = lswaps(*(&scratch.width)); else swap_uint16 ((uint16_t *)(&scratch.width)); } while (0); |
1085 | swaps(&scratch.height)do { if (sizeof(*(&scratch.height)) != 2) wrong_size(); if (__builtin_constant_p((uintptr_t)(&scratch.height) & 1) && ((uintptr_t)(&scratch.height) & 1) == 0 ) *(&scratch.height) = lswaps(*(&scratch.height)); else swap_uint16((uint16_t *)(&scratch.height)); } while (0); |
1086 | } |
1087 | WriteToClient(client, sz_XineramaScreenInfo8, &scratch); |
1088 | } |
1089 | } |
1090 | |
1091 | return Success0; |
1092 | } |
1093 | |
1094 | static int |
1095 | ProcPanoramiXDispatch(ClientPtr client) |
1096 | { |
1097 | REQUEST(xReq)xReq *stuff = (xReq *)client->requestBuffer; |
1098 | switch (stuff->data) { |
1099 | case X_PanoramiXQueryVersion0: |
1100 | return ProcPanoramiXQueryVersion(client); |
1101 | case X_PanoramiXGetState1: |
1102 | return ProcPanoramiXGetState(client); |
1103 | case X_PanoramiXGetScreenCount2: |
1104 | return ProcPanoramiXGetScreenCount(client); |
1105 | case X_PanoramiXGetScreenSize3: |
1106 | return ProcPanoramiXGetScreenSize(client); |
1107 | case X_XineramaIsActive4: |
1108 | return ProcXineramaIsActive(client); |
1109 | case X_XineramaQueryScreens5: |
1110 | return ProcXineramaQueryScreens(client); |
1111 | } |
1112 | return BadRequest1; |
1113 | } |
1114 | |
1115 | #if X_BYTE_ORDER1234 == X_LITTLE_ENDIAN1234 |
1116 | #define SHIFT_L(v,s)(v) << (s) (v) << (s) |
1117 | #define SHIFT_R(v,s)(v) >> (s) (v) >> (s) |
1118 | #else |
1119 | #define SHIFT_L(v,s)(v) << (s) (v) >> (s) |
1120 | #define SHIFT_R(v,s)(v) >> (s) (v) << (s) |
1121 | #endif |
1122 | |
1123 | static void |
1124 | CopyBits(char *dst, int shiftL, char *src, int bytes) |
1125 | { |
1126 | /* Just get it to work. Worry about speed later */ |
1127 | int shiftR = 8 - shiftL; |
1128 | |
1129 | while (bytes--) { |
1130 | *dst |= SHIFT_L(*src, shiftL)(*src) << (shiftL); |
1131 | *(dst + 1) |= SHIFT_R(*src, shiftR)(*src) >> (shiftR); |
1132 | dst++; |
1133 | src++; |
1134 | } |
1135 | } |
1136 | |
1137 | /* Caution. This doesn't support 2 and 4 bpp formats. We expect |
1138 | 1 bpp and planar data to be already cleared when presented |
1139 | to this function */ |
1140 | |
1141 | void |
1142 | XineramaGetImageData(DrawablePtr *pDrawables, |
1143 | int left, |
1144 | int top, |
1145 | int width, |
1146 | int height, |
1147 | unsigned int format, |
1148 | unsigned long planemask, |
1149 | char *data, int pitch, Bool isRoot) |
1150 | { |
1151 | RegionRec SrcRegion, ScreenRegion, GrabRegion; |
1152 | BoxRec SrcBox, *pbox; |
1153 | int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; |
1154 | DrawablePtr pDraw = pDrawables[0]; |
1155 | char *ScratchMem = NULL((void*)0); |
1156 | |
1157 | size = 0; |
1158 | |
1159 | /* find box in logical screen space */ |
1160 | SrcBox.x1 = left; |
1161 | SrcBox.y1 = top; |
1162 | if (!isRoot) { |
1163 | SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; |
1164 | SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; |
1165 | } |
1166 | SrcBox.x2 = SrcBox.x1 + width; |
1167 | SrcBox.y2 = SrcBox.y1 + height; |
1168 | |
1169 | RegionInit(&SrcRegion, &SrcBox, 1); |
1170 | RegionNull(&GrabRegion); |
1171 | |
1172 | depth = (format == XYPixmap1) ? 1 : pDraw->depth; |
1173 | |
1174 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
1175 | BoxRec TheBox; |
1176 | ScreenPtr pScreen; |
1177 | |
1178 | pDraw = pDrawables[i]; |
1179 | pScreen = pDraw->pScreen; |
1180 | |
1181 | TheBox.x1 = pScreen->x; |
1182 | TheBox.x2 = TheBox.x1 + pScreen->width; |
1183 | TheBox.y1 = pScreen->y; |
1184 | TheBox.y2 = TheBox.y1 + pScreen->height; |
1185 | |
1186 | RegionInit(&ScreenRegion, &TheBox, 1); |
1187 | inOut = RegionContainsRect(&ScreenRegion, &SrcBox); |
1188 | if (inOut == rgnPART2) |
1189 | RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); |
1190 | RegionUninit(&ScreenRegion); |
1191 | |
1192 | if (inOut == rgnIN1) { |
1193 | (*pScreen->GetImage) (pDraw, |
1194 | SrcBox.x1 - pDraw->x - |
1195 | screenInfo.screens[i]->x, |
1196 | SrcBox.y1 - pDraw->y - |
1197 | screenInfo.screens[i]->y, width, height, |
1198 | format, planemask, data); |
1199 | break; |
1200 | } |
1201 | else if (inOut == rgnOUT0) |
1202 | continue; |
1203 | |
1204 | nbox = RegionNumRects(&GrabRegion); |
1205 | |
1206 | if (nbox) { |
1207 | pbox = RegionRects(&GrabRegion); |
1208 | |
1209 | while (nbox--) { |
1210 | w = pbox->x2 - pbox->x1; |
1211 | h = pbox->y2 - pbox->y1; |
1212 | ScratchPitch = PixmapBytePad(w, depth)((PixmapWidthPaddingInfo[depth].notPower2 ? (((int)(w) * PixmapWidthPaddingInfo [depth].bytesPerPixel + PixmapWidthPaddingInfo[depth].bytesPerPixel ) >> PixmapWidthPaddingInfo[depth].padBytesLog2) : ((int )((w) + PixmapWidthPaddingInfo[depth].padRoundUp) >> PixmapWidthPaddingInfo [depth].padPixelsLog2)) << PixmapWidthPaddingInfo[depth ].padBytesLog2); |
1213 | sizeNeeded = ScratchPitch * h; |
1214 | |
1215 | if (sizeNeeded > size) { |
1216 | char *tmpdata = ScratchMem; |
1217 | |
1218 | ScratchMem = realloc(ScratchMem, sizeNeeded); |
1219 | if (ScratchMem) |
1220 | size = sizeNeeded; |
1221 | else { |
1222 | ScratchMem = tmpdata; |
1223 | break; |
1224 | } |
1225 | } |
1226 | |
1227 | x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; |
1228 | y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; |
1229 | |
1230 | (*pScreen->GetImage) (pDraw, x, y, w, h, |
1231 | format, planemask, ScratchMem); |
1232 | |
1233 | /* copy the memory over */ |
1234 | |
1235 | if (depth == 1) { |
1236 | int k, shift, leftover, index, index2; |
1237 | |
1238 | x = pbox->x1 - SrcBox.x1; |
1239 | y = pbox->y1 - SrcBox.y1; |
1240 | shift = x & 7; |
1241 | x >>= 3; |
1242 | leftover = w & 7; |
1243 | w >>= 3; |
1244 | |
1245 | /* clean up the edge */ |
1246 | if (leftover) { |
1247 | int mask = (1 << leftover) - 1; |
1248 | |
1249 | for (j = h, k = w; j--; k += ScratchPitch) |
1250 | ScratchMem[k] &= mask; |
1251 | } |
1252 | |
1253 | for (j = 0, index = (pitch * y) + x, index2 = 0; j < h; |
1254 | j++, index += pitch, index2 += ScratchPitch) { |
1255 | if (w) { |
1256 | if (!shift) |
1257 | memcpy(data + index, ScratchMem + index2, w)__builtin___memcpy_chk (data + index, ScratchMem + index2, w, __builtin_object_size (data + index, 0)); |
1258 | else |
1259 | CopyBits(data + index, shift, |
1260 | ScratchMem + index2, w); |
1261 | } |
1262 | |
1263 | if (leftover) { |
1264 | data[index + w] |= |
1265 | SHIFT_L(ScratchMem[index2 + w], shift)(ScratchMem[index2 + w]) << (shift); |
1266 | if ((shift + leftover) > 8) |
1267 | data[index + w + 1] |= |
1268 | SHIFT_R(ScratchMem[index2 + w],(ScratchMem[index2 + w]) >> ((8 - shift)) |
1269 | (8 - shift))(ScratchMem[index2 + w]) >> ((8 - shift)); |
1270 | } |
1271 | } |
1272 | } |
1273 | else { |
1274 | j = BitsPerPixel(depth)(PixmapWidthPaddingInfo[depth].bitsPerPixel) >> 3; |
1275 | x = (pbox->x1 - SrcBox.x1) * j; |
1276 | y = pbox->y1 - SrcBox.y1; |
1277 | w *= j; |
1278 | |
1279 | for (j = 0; j < h; j++) { |
1280 | memcpy(data + (pitch * (y + j)) + x,__builtin___memcpy_chk (data + (pitch * (y + j)) + x, ScratchMem + (ScratchPitch * j), w, __builtin_object_size (data + (pitch * (y + j)) + x, 0)) |
1281 | ScratchMem + (ScratchPitch * j), w)__builtin___memcpy_chk (data + (pitch * (y + j)) + x, ScratchMem + (ScratchPitch * j), w, __builtin_object_size (data + (pitch * (y + j)) + x, 0)); |
1282 | } |
1283 | } |
1284 | pbox++; |
1285 | } |
1286 | |
1287 | RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); |
1288 | if (!RegionNotEmpty(&SrcRegion)) |
1289 | break; |
1290 | } |
1291 | |
1292 | } |
1293 | |
1294 | free(ScratchMem); |
1295 | |
1296 | RegionUninit(&SrcRegion); |
1297 | RegionUninit(&GrabRegion); |
1298 | } |