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a09e091a JB |
1 | /* |
2 | * | |
3 | * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
6 | * documentation for any purpose is hereby granted without fee, provided that | |
7 | * the above copyright notice appear in all copies and that both that | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the name of Keith Packard not be used in | |
10 | * advertising or publicity pertaining to distribution of the software without | |
11 | * specific, written prior permission. Keith Packard makes no | |
12 | * representations about the suitability of this software for any purpose. It | |
13 | * is provided "as is" without express or implied warranty. | |
14 | * | |
15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
21 | * PERFORMANCE OF THIS SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifdef HAVE_XORG_CONFIG_H | |
25 | #include <xorg-config.h> | |
26 | #endif | |
27 | ||
28 | #include <X11/X.h> | |
29 | #include "os.h" | |
30 | #include "globals.h" | |
31 | #include "xf86.h" | |
32 | #include "xf86str.h" | |
33 | #include "xf86Priv.h" | |
34 | #include "xf86DDC.h" | |
35 | #include "mipointer.h" | |
36 | #include <randrstr.h> | |
37 | #include "inputstr.h" | |
38 | ||
39 | typedef struct _xf86RandRInfo { | |
40 | CreateScreenResourcesProcPtr CreateScreenResources; | |
41 | CloseScreenProcPtr CloseScreen; | |
42 | int virtualX; | |
43 | int virtualY; | |
44 | int mmWidth; | |
45 | int mmHeight; | |
46 | Rotation rotation; | |
47 | } XF86RandRInfoRec, *XF86RandRInfoPtr; | |
48 | ||
49 | static DevPrivateKeyRec xf86RandRKeyRec; | |
50 | static DevPrivateKey xf86RandRKey; | |
51 | ||
52 | #define XF86RANDRINFO(p) ((XF86RandRInfoPtr)dixLookupPrivate(&(p)->devPrivates, xf86RandRKey)) | |
53 | ||
54 | static int | |
55 | xf86RandRModeRefresh(DisplayModePtr mode) | |
56 | { | |
57 | if (mode->VRefresh) | |
58 | return (int) (mode->VRefresh + 0.5); | |
59 | else if (mode->Clock == 0) | |
60 | return 0; | |
61 | else | |
62 | return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5); | |
63 | } | |
64 | ||
65 | static Bool | |
66 | xf86RandRGetInfo(ScreenPtr pScreen, Rotation * rotations) | |
67 | { | |
68 | RRScreenSizePtr pSize; | |
69 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
70 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); | |
71 | DisplayModePtr mode; | |
72 | int refresh0 = 60; | |
73 | xorgRRModeMM RRModeMM; | |
74 | ||
75 | *rotations = RR_Rotate_0; | |
76 | ||
77 | for (mode = scrp->modes; mode != NULL; mode = mode->next) { | |
78 | int refresh = xf86RandRModeRefresh(mode); | |
79 | ||
80 | if (mode == scrp->modes) | |
81 | refresh0 = refresh; | |
82 | ||
83 | RRModeMM.mode = mode; | |
84 | RRModeMM.virtX = randrp->virtualX; | |
85 | RRModeMM.virtY = randrp->virtualY; | |
86 | RRModeMM.mmWidth = randrp->mmWidth; | |
87 | RRModeMM.mmHeight = randrp->mmHeight; | |
88 | ||
89 | if (scrp->DriverFunc) { | |
90 | (*scrp->DriverFunc) (scrp, RR_GET_MODE_MM, &RRModeMM); | |
91 | } | |
92 | ||
93 | pSize = RRRegisterSize(pScreen, | |
94 | mode->HDisplay, mode->VDisplay, | |
95 | RRModeMM.mmWidth, RRModeMM.mmHeight); | |
96 | if (!pSize) | |
97 | return FALSE; | |
98 | RRRegisterRate(pScreen, pSize, refresh); | |
99 | if (mode == scrp->currentMode && | |
100 | mode->HDisplay == scrp->virtualX && | |
101 | mode->VDisplay == scrp->virtualY) | |
102 | RRSetCurrentConfig(pScreen, randrp->rotation, refresh, pSize); | |
103 | if (mode->next == scrp->modes) | |
104 | break; | |
105 | } | |
106 | if (scrp->currentMode->HDisplay != randrp->virtualX || | |
107 | scrp->currentMode->VDisplay != randrp->virtualY) { | |
108 | mode = scrp->modes; | |
109 | ||
110 | RRModeMM.mode = NULL; | |
111 | RRModeMM.virtX = randrp->virtualX; | |
112 | RRModeMM.virtY = randrp->virtualY; | |
113 | RRModeMM.mmWidth = randrp->mmWidth; | |
114 | RRModeMM.mmHeight = randrp->mmHeight; | |
115 | ||
116 | if (scrp->DriverFunc) { | |
117 | (*scrp->DriverFunc) (scrp, RR_GET_MODE_MM, &RRModeMM); | |
118 | } | |
119 | ||
120 | pSize = RRRegisterSize(pScreen, | |
121 | randrp->virtualX, randrp->virtualY, | |
122 | RRModeMM.mmWidth, RRModeMM.mmHeight); | |
123 | if (!pSize) | |
124 | return FALSE; | |
125 | RRRegisterRate(pScreen, pSize, refresh0); | |
126 | if (scrp->virtualX == randrp->virtualX && | |
127 | scrp->virtualY == randrp->virtualY) { | |
128 | RRSetCurrentConfig(pScreen, randrp->rotation, refresh0, pSize); | |
129 | } | |
130 | } | |
131 | ||
132 | /* If there is driver support for randr, let it set our supported rotations */ | |
133 | if (scrp->DriverFunc) { | |
134 | xorgRRRotation RRRotation; | |
135 | ||
136 | RRRotation.RRRotations = *rotations; | |
137 | if (!(*scrp->DriverFunc) (scrp, RR_GET_INFO, &RRRotation)) | |
138 | return TRUE; | |
139 | *rotations = RRRotation.RRRotations; | |
140 | } | |
141 | ||
142 | return TRUE; | |
143 | } | |
144 | ||
145 | static Bool | |
146 | xf86RandRSetMode(ScreenPtr pScreen, | |
147 | DisplayModePtr mode, | |
148 | Bool useVirtual, int mmWidth, int mmHeight) | |
149 | { | |
150 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
151 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); | |
152 | int oldWidth = pScreen->width; | |
153 | int oldHeight = pScreen->height; | |
154 | int oldmmWidth = pScreen->mmWidth; | |
155 | int oldmmHeight = pScreen->mmHeight; | |
156 | int oldVirtualX = scrp->virtualX; | |
157 | int oldVirtualY = scrp->virtualY; | |
158 | WindowPtr pRoot = pScreen->root; | |
159 | Bool ret = TRUE; | |
160 | ||
161 | if (pRoot && scrp->vtSema) | |
162 | (*scrp->EnableDisableFBAccess) (scrp, FALSE); | |
163 | if (useVirtual) { | |
164 | scrp->virtualX = randrp->virtualX; | |
165 | scrp->virtualY = randrp->virtualY; | |
166 | } | |
167 | else { | |
168 | scrp->virtualX = mode->HDisplay; | |
169 | scrp->virtualY = mode->VDisplay; | |
170 | } | |
171 | ||
172 | /* | |
173 | * The DIX forgets the physical dimensions we passed into RRRegisterSize, so | |
174 | * reconstruct them if possible. | |
175 | */ | |
176 | if (scrp->DriverFunc) { | |
177 | xorgRRModeMM RRModeMM; | |
178 | ||
179 | RRModeMM.mode = mode; | |
180 | RRModeMM.virtX = scrp->virtualX; | |
181 | RRModeMM.virtY = scrp->virtualY; | |
182 | RRModeMM.mmWidth = mmWidth; | |
183 | RRModeMM.mmHeight = mmHeight; | |
184 | ||
185 | (*scrp->DriverFunc) (scrp, RR_GET_MODE_MM, &RRModeMM); | |
186 | ||
187 | mmWidth = RRModeMM.mmWidth; | |
188 | mmHeight = RRModeMM.mmHeight; | |
189 | } | |
190 | if (randrp->rotation & (RR_Rotate_90 | RR_Rotate_270)) { | |
191 | /* If the screen is rotated 90 or 270 degrees, swap the sizes. */ | |
192 | pScreen->width = scrp->virtualY; | |
193 | pScreen->height = scrp->virtualX; | |
194 | pScreen->mmWidth = mmHeight; | |
195 | pScreen->mmHeight = mmWidth; | |
196 | } | |
197 | else { | |
198 | pScreen->width = scrp->virtualX; | |
199 | pScreen->height = scrp->virtualY; | |
200 | pScreen->mmWidth = mmWidth; | |
201 | pScreen->mmHeight = mmHeight; | |
202 | } | |
203 | if (!xf86SwitchMode(pScreen, mode)) { | |
204 | pScreen->width = oldWidth; | |
205 | pScreen->height = oldHeight; | |
206 | pScreen->mmWidth = oldmmWidth; | |
207 | pScreen->mmHeight = oldmmHeight; | |
208 | scrp->virtualX = oldVirtualX; | |
209 | scrp->virtualY = oldVirtualY; | |
210 | ret = FALSE; | |
211 | } | |
212 | /* | |
213 | * Make sure the layout is correct | |
214 | */ | |
215 | xf86ReconfigureLayout(); | |
216 | ||
217 | if (scrp->vtSema) { | |
218 | /* | |
219 | * Make sure the whole screen is visible | |
220 | */ | |
221 | xf86SetViewport (pScreen, pScreen->width, pScreen->height); | |
222 | xf86SetViewport (pScreen, 0, 0); | |
223 | if (pRoot) | |
224 | (*scrp->EnableDisableFBAccess) (scrp, TRUE); | |
225 | } | |
226 | return ret; | |
227 | } | |
228 | ||
229 | static Bool | |
230 | xf86RandRSetConfig(ScreenPtr pScreen, | |
231 | Rotation rotation, int rate, RRScreenSizePtr pSize) | |
232 | { | |
233 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
234 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); | |
235 | DisplayModePtr mode; | |
236 | int pos[MAXDEVICES][2]; | |
237 | Bool useVirtual = FALSE; | |
238 | Rotation oldRotation = randrp->rotation; | |
239 | DeviceIntPtr dev; | |
240 | Bool view_adjusted = FALSE; | |
241 | ||
242 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |
243 | if (!IsMaster(dev) && !IsFloating(dev)) | |
244 | continue; | |
245 | ||
246 | miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]); | |
247 | } | |
248 | ||
249 | for (mode = scrp->modes;; mode = mode->next) { | |
250 | if (mode->HDisplay == pSize->width && | |
251 | mode->VDisplay == pSize->height && | |
252 | (rate == 0 || xf86RandRModeRefresh(mode) == rate)) | |
253 | break; | |
254 | if (mode->next == scrp->modes) { | |
255 | if (pSize->width == randrp->virtualX && | |
256 | pSize->height == randrp->virtualY) { | |
257 | mode = scrp->modes; | |
258 | useVirtual = TRUE; | |
259 | break; | |
260 | } | |
261 | return FALSE; | |
262 | } | |
263 | } | |
264 | ||
265 | if (randrp->rotation != rotation) { | |
266 | ||
267 | /* Have the driver do its thing. */ | |
268 | if (scrp->DriverFunc) { | |
269 | xorgRRRotation RRRotation; | |
270 | ||
271 | RRRotation.RRConfig.rotation = rotation; | |
272 | RRRotation.RRConfig.rate = rate; | |
273 | RRRotation.RRConfig.width = pSize->width; | |
274 | RRRotation.RRConfig.height = pSize->height; | |
275 | ||
276 | /* | |
277 | * Currently we need to rely on HW support for rotation. | |
278 | */ | |
279 | if (!(*scrp->DriverFunc) (scrp, RR_SET_CONFIG, &RRRotation)) | |
280 | return FALSE; | |
281 | } | |
282 | else | |
283 | return FALSE; | |
284 | ||
285 | randrp->rotation = rotation; | |
286 | } | |
287 | ||
288 | if (!xf86RandRSetMode | |
289 | (pScreen, mode, useVirtual, pSize->mmWidth, pSize->mmHeight)) { | |
290 | if (randrp->rotation != oldRotation) { | |
291 | /* Have the driver undo its thing. */ | |
292 | if (scrp->DriverFunc) { | |
293 | xorgRRRotation RRRotation; | |
294 | ||
295 | RRRotation.RRConfig.rotation = oldRotation; | |
296 | RRRotation.RRConfig.rate = | |
297 | xf86RandRModeRefresh(scrp->currentMode); | |
298 | RRRotation.RRConfig.width = scrp->virtualX; | |
299 | RRRotation.RRConfig.height = scrp->virtualY; | |
300 | (*scrp->DriverFunc) (scrp, RR_SET_CONFIG, &RRRotation); | |
301 | } | |
302 | ||
303 | randrp->rotation = oldRotation; | |
304 | } | |
305 | return FALSE; | |
306 | } | |
307 | ||
308 | update_desktop_dimensions(); | |
309 | ||
310 | /* | |
311 | * Move the cursor back where it belongs; SwitchMode repositions it | |
312 | * FIXME: duplicated code, see modes/xf86RandR12.c | |
313 | */ | |
314 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |
315 | if (!IsMaster(dev) && !IsFloating(dev)) | |
316 | continue; | |
317 | ||
318 | if (pScreen == miPointerGetScreen(dev)) { | |
319 | int px = pos[dev->id][0]; | |
320 | int py = pos[dev->id][1]; | |
321 | ||
322 | px = (px >= pScreen->width ? (pScreen->width - 1) : px); | |
323 | py = (py >= pScreen->height ? (pScreen->height - 1) : py); | |
324 | ||
325 | /* Setting the viewpoint makes only sense on one device */ | |
326 | if (!view_adjusted && IsMaster(dev)) { | |
327 | xf86SetViewport(pScreen, px, py); | |
328 | view_adjusted = TRUE; | |
329 | } | |
330 | ||
331 | (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE); | |
332 | } | |
333 | } | |
334 | ||
335 | return TRUE; | |
336 | } | |
337 | ||
338 | /* | |
339 | * Wait until the screen is initialized before whacking the | |
340 | * sizes around; otherwise the screen pixmap will be allocated | |
341 | * at the current mode size rather than the maximum size | |
342 | */ | |
343 | static Bool | |
344 | xf86RandRCreateScreenResources(ScreenPtr pScreen) | |
345 | { | |
346 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); | |
347 | ||
348 | #if 0 | |
349 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
350 | DisplayModePtr mode; | |
351 | #endif | |
352 | ||
353 | pScreen->CreateScreenResources = randrp->CreateScreenResources; | |
354 | if (!(*pScreen->CreateScreenResources) (pScreen)) | |
355 | return FALSE; | |
356 | ||
357 | #if 0 | |
358 | mode = scrp->currentMode; | |
359 | if (mode) | |
360 | xf86RandRSetMode(pScreen, mode, TRUE); | |
361 | #endif | |
362 | ||
363 | return TRUE; | |
364 | } | |
365 | ||
366 | /* | |
367 | * Reset size back to original | |
368 | */ | |
369 | static Bool | |
370 | xf86RandRCloseScreen(ScreenPtr pScreen) | |
371 | { | |
372 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
373 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); | |
374 | ||
375 | scrp->virtualX = pScreen->width = randrp->virtualX; | |
376 | scrp->virtualY = pScreen->height = randrp->virtualY; | |
377 | scrp->currentMode = scrp->modes; | |
378 | pScreen->CloseScreen = randrp->CloseScreen; | |
379 | free(randrp); | |
380 | dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, NULL); | |
381 | return (*pScreen->CloseScreen) (pScreen); | |
382 | } | |
383 | ||
384 | Rotation | |
385 | xf86GetRotation(ScreenPtr pScreen) | |
386 | { | |
387 | if (xf86RandRKey == NULL) | |
388 | return RR_Rotate_0; | |
389 | ||
390 | return XF86RANDRINFO(pScreen)->rotation; | |
391 | } | |
392 | ||
393 | /* Function to change RandR's idea of the virtual screen size */ | |
394 | Bool | |
395 | xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen, | |
396 | int newvirtX, int newvirtY, int newmmWidth, | |
397 | int newmmHeight, Bool resetMode) | |
398 | { | |
399 | XF86RandRInfoPtr randrp; | |
400 | ||
401 | if (xf86RandRKey == NULL) | |
402 | return FALSE; | |
403 | ||
404 | randrp = XF86RANDRINFO(pScreen); | |
405 | if (randrp == NULL) | |
406 | return FALSE; | |
407 | ||
408 | if (newvirtX > 0) | |
409 | randrp->virtualX = newvirtX; | |
410 | ||
411 | if (newvirtY > 0) | |
412 | randrp->virtualY = newvirtY; | |
413 | ||
414 | if (newmmWidth > 0) | |
415 | randrp->mmWidth = newmmWidth; | |
416 | ||
417 | if (newmmHeight > 0) | |
418 | randrp->mmHeight = newmmHeight; | |
419 | ||
420 | /* This is only for during server start */ | |
421 | if (resetMode) { | |
422 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); | |
423 | return (xf86RandRSetMode(pScreen, | |
424 | pScrn->currentMode, | |
425 | TRUE, pScreen->mmWidth, pScreen->mmHeight)); | |
426 | } | |
427 | ||
428 | return TRUE; | |
429 | } | |
430 | ||
431 | Bool | |
432 | xf86RandRInit(ScreenPtr pScreen) | |
433 | { | |
434 | rrScrPrivPtr rp; | |
435 | XF86RandRInfoPtr randrp; | |
436 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); | |
437 | ||
438 | #ifdef PANORAMIX | |
439 | /* XXX disable RandR when using Xinerama */ | |
440 | if (!noPanoramiXExtension) | |
441 | return TRUE; | |
442 | #endif | |
443 | ||
444 | xf86RandRKey = &xf86RandRKeyRec; | |
445 | ||
446 | if (!dixRegisterPrivateKey(&xf86RandRKeyRec, PRIVATE_SCREEN, 0)) | |
447 | return FALSE; | |
448 | ||
449 | randrp = malloc(sizeof(XF86RandRInfoRec)); | |
450 | if (!randrp) | |
451 | return FALSE; | |
452 | ||
453 | if (!RRScreenInit(pScreen)) { | |
454 | free(randrp); | |
455 | return FALSE; | |
456 | } | |
457 | rp = rrGetScrPriv(pScreen); | |
458 | rp->rrGetInfo = xf86RandRGetInfo; | |
459 | rp->rrSetConfig = xf86RandRSetConfig; | |
460 | ||
461 | randrp->virtualX = scrp->virtualX; | |
462 | randrp->virtualY = scrp->virtualY; | |
463 | randrp->mmWidth = pScreen->mmWidth; | |
464 | randrp->mmHeight = pScreen->mmHeight; | |
465 | ||
466 | randrp->CreateScreenResources = pScreen->CreateScreenResources; | |
467 | pScreen->CreateScreenResources = xf86RandRCreateScreenResources; | |
468 | ||
469 | randrp->CloseScreen = pScreen->CloseScreen; | |
470 | pScreen->CloseScreen = xf86RandRCloseScreen; | |
471 | ||
472 | randrp->rotation = RR_Rotate_0; | |
473 | ||
474 | dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, randrp); | |
475 | return TRUE; | |
476 | } |