File: | Xext/panoramiX.c |
Location: | line 1130, column 17 |
Description: | Dereference of null pointer (loaded from variable 'src') |
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]; | |||||
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 | } |