File: | exa/exa.c |
Location: | line 1043, column 9 |
Description: | Access to field 'Glyphs' results in a dereference of a null pointer (loaded from variable 'ps') |
1 | /* | |||
2 | * Copyright © 2001 Keith Packard | |||
3 | * | |||
4 | * Partly based on code that is Copyright © The XFree86 Project Inc. | |||
5 | * | |||
6 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
7 | * documentation for any purpose is hereby granted without fee, provided that | |||
8 | * the above copyright notice appear in all copies and that both that | |||
9 | * copyright notice and this permission notice appear in supporting | |||
10 | * documentation, and that the name of Keith Packard not be used in | |||
11 | * advertising or publicity pertaining to distribution of the software without | |||
12 | * specific, written prior permission. Keith Packard makes no | |||
13 | * representations about the suitability of this software for any purpose. It | |||
14 | * is provided "as is" without express or implied warranty. | |||
15 | * | |||
16 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
18 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |||
22 | * PERFORMANCE OF THIS SOFTWARE. | |||
23 | */ | |||
24 | ||||
25 | /** @file | |||
26 | * This file covers the initialization and teardown of EXA, and has various | |||
27 | * functions not responsible for performing rendering, pixmap migration, or | |||
28 | * memory management. | |||
29 | */ | |||
30 | ||||
31 | #ifdef HAVE_DIX_CONFIG_H1 | |||
32 | #include <dix-config.h> | |||
33 | #endif | |||
34 | ||||
35 | #include <stdlib.h> | |||
36 | ||||
37 | #include "exa_priv.h" | |||
38 | #include "exa.h" | |||
39 | ||||
40 | DevPrivateKeyRec exaScreenPrivateKeyRec; | |||
41 | ||||
42 | #ifdef MITSHM1 | |||
43 | static ShmFuncs exaShmFuncs = { NULL((void*)0), NULL((void*)0) }; | |||
44 | #endif | |||
45 | ||||
46 | /** | |||
47 | * exaGetPixmapOffset() returns the offset (in bytes) within the framebuffer of | |||
48 | * the beginning of the given pixmap. | |||
49 | * | |||
50 | * Note that drivers are free to, and often do, munge this offset as necessary | |||
51 | * for handing to the hardware -- for example, translating it into a different | |||
52 | * aperture. This function may need to be extended in the future if we grow | |||
53 | * support for having multiple card-accessible offscreen, such as an AGP memory | |||
54 | * pool alongside the framebuffer pool. | |||
55 | */ | |||
56 | unsigned long | |||
57 | exaGetPixmapOffset(PixmapPtr pPix) | |||
58 | { | |||
59 | ExaScreenPriv(pPix->drawable.pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pPix->drawable.pScreen)->devPrivates, (&exaScreenPrivateKeyRec ))); | |||
60 | ExaPixmapPriv(pPix)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pPix)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&((pPix)->drawable.pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->pixmapPrivateKeyRec)); | |||
61 | ||||
62 | return (CARD8 *) pExaPixmap->fb_ptr - pExaScr->info->memoryBase; | |||
63 | } | |||
64 | ||||
65 | void * | |||
66 | exaGetPixmapDriverPrivate(PixmapPtr pPix) | |||
67 | { | |||
68 | ExaPixmapPriv(pPix)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pPix)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&((pPix)->drawable.pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->pixmapPrivateKeyRec)); | |||
69 | ||||
70 | return pExaPixmap->driverPriv; | |||
71 | } | |||
72 | ||||
73 | /** | |||
74 | * exaGetPixmapPitch() returns the pitch (in bytes) of the given pixmap. | |||
75 | * | |||
76 | * This is a helper to make driver code more obvious, due to the rather obscure | |||
77 | * naming of the pitch field in the pixmap. | |||
78 | */ | |||
79 | unsigned long | |||
80 | exaGetPixmapPitch(PixmapPtr pPix) | |||
81 | { | |||
82 | return pPix->devKind; | |||
83 | } | |||
84 | ||||
85 | /** | |||
86 | * exaGetPixmapSize() returns the size in bytes of the given pixmap in video | |||
87 | * memory. Only valid when the pixmap is currently in framebuffer. | |||
88 | */ | |||
89 | unsigned long | |||
90 | exaGetPixmapSize(PixmapPtr pPix) | |||
91 | { | |||
92 | ExaPixmapPrivPtr pExaPixmap; | |||
93 | ||||
94 | pExaPixmap = ExaGetPixmapPriv(pPix)((ExaPixmapPrivPtr)dixGetPrivateAddr(&(pPix)->devPrivates , &((ExaScreenPrivPtr)dixGetPrivate(&((pPix)->drawable .pScreen)->devPrivates, (&exaScreenPrivateKeyRec)))-> pixmapPrivateKeyRec)); | |||
95 | if (pExaPixmap != NULL((void*)0)) | |||
96 | return pExaPixmap->fb_size; | |||
97 | return 0; | |||
98 | } | |||
99 | ||||
100 | /** | |||
101 | * exaGetDrawablePixmap() returns a backing pixmap for a given drawable. | |||
102 | * | |||
103 | * @param pDrawable the drawable being requested. | |||
104 | * | |||
105 | * This function returns the backing pixmap for a drawable, whether it is a | |||
106 | * redirected window, unredirected window, or already a pixmap. Note that | |||
107 | * coordinate translation is needed when drawing to the backing pixmap of a | |||
108 | * redirected window, and the translation coordinates are provided by calling | |||
109 | * exaGetOffscreenPixmap() on the drawable. | |||
110 | */ | |||
111 | PixmapPtr | |||
112 | exaGetDrawablePixmap(DrawablePtr pDrawable) | |||
113 | { | |||
114 | if (pDrawable->type == DRAWABLE_WINDOW0) | |||
115 | return pDrawable->pScreen->GetWindowPixmap((WindowPtr) pDrawable); | |||
116 | else | |||
117 | return (PixmapPtr) pDrawable; | |||
118 | } | |||
119 | ||||
120 | /** | |||
121 | * Sets the offsets to add to coordinates to make them address the same bits in | |||
122 | * the backing drawable. These coordinates are nonzero only for redirected | |||
123 | * windows. | |||
124 | */ | |||
125 | void | |||
126 | exaGetDrawableDeltas(DrawablePtr pDrawable, PixmapPtr pPixmap, int *xp, int *yp) | |||
127 | { | |||
128 | #ifdef COMPOSITE | |||
129 | if (pDrawable->type == DRAWABLE_WINDOW0) { | |||
130 | *xp = -pPixmap->screen_x; | |||
131 | *yp = -pPixmap->screen_y; | |||
132 | return; | |||
133 | } | |||
134 | #endif | |||
135 | ||||
136 | *xp = 0; | |||
137 | *yp = 0; | |||
138 | } | |||
139 | ||||
140 | /** | |||
141 | * exaPixmapDirty() marks a pixmap as dirty, allowing for | |||
142 | * optimizations in pixmap migration when no changes have occurred. | |||
143 | */ | |||
144 | void | |||
145 | exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2) | |||
146 | { | |||
147 | BoxRec box; | |||
148 | RegionRec region; | |||
149 | ||||
150 | box.x1 = max(x1, 0)(((x1) > (0)) ? (x1) : (0)); | |||
151 | box.y1 = max(y1, 0)(((y1) > (0)) ? (y1) : (0)); | |||
152 | box.x2 = min(x2, pPix->drawable.width)(((x2) < (pPix->drawable.width)) ? (x2) : (pPix->drawable .width)); | |||
153 | box.y2 = min(y2, pPix->drawable.height)(((y2) < (pPix->drawable.height)) ? (y2) : (pPix->drawable .height)); | |||
154 | ||||
155 | if (box.x1 >= box.x2 || box.y1 >= box.y2) | |||
156 | return; | |||
157 | ||||
158 | RegionInit(®ion, &box, 1); | |||
159 | DamageDamageRegion(&pPix->drawable, ®ion); | |||
160 | RegionUninit(®ion); | |||
161 | } | |||
162 | ||||
163 | static int | |||
164 | exaLog2(int val) | |||
165 | { | |||
166 | int bits; | |||
167 | ||||
168 | if (val <= 0) | |||
169 | return 0; | |||
170 | for (bits = 0; val != 0; bits++) | |||
171 | val >>= 1; | |||
172 | return bits - 1; | |||
173 | } | |||
174 | ||||
175 | void | |||
176 | exaSetAccelBlock(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, | |||
177 | int w, int h, int bpp) | |||
178 | { | |||
179 | pExaPixmap->accel_blocked = 0; | |||
180 | ||||
181 | if (pExaScr->info->maxPitchPixels) { | |||
182 | int max_pitch = pExaScr->info->maxPitchPixels * bits_to_bytes(bpp); | |||
183 | ||||
184 | if (pExaPixmap->fb_pitch > max_pitch) | |||
185 | pExaPixmap->accel_blocked |= EXA_RANGE_PITCH(1 << 0); | |||
186 | } | |||
187 | ||||
188 | if (pExaScr->info->maxPitchBytes && | |||
189 | pExaPixmap->fb_pitch > pExaScr->info->maxPitchBytes) | |||
190 | pExaPixmap->accel_blocked |= EXA_RANGE_PITCH(1 << 0); | |||
191 | ||||
192 | if (w > pExaScr->info->maxX) | |||
193 | pExaPixmap->accel_blocked |= EXA_RANGE_WIDTH(1 << 1); | |||
194 | ||||
195 | if (h > pExaScr->info->maxY) | |||
196 | pExaPixmap->accel_blocked |= EXA_RANGE_HEIGHT(1 << 2); | |||
197 | } | |||
198 | ||||
199 | void | |||
200 | exaSetFbPitch(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, | |||
201 | int w, int h, int bpp) | |||
202 | { | |||
203 | if (pExaScr->info->flags & EXA_OFFSCREEN_ALIGN_POT(1 << 1) && w != 1) | |||
204 | pExaPixmap->fb_pitch = bits_to_bytes((1 << (exaLog2(w - 1) + 1)) * bpp); | |||
205 | else | |||
206 | pExaPixmap->fb_pitch = bits_to_bytes(w * bpp); | |||
207 | ||||
208 | pExaPixmap->fb_pitch = EXA_ALIGN(pExaPixmap->fb_pitch,(((pExaPixmap->fb_pitch) + (pExaScr->info->pixmapPitchAlign ) - 1) - (((pExaPixmap->fb_pitch) + (pExaScr->info-> pixmapPitchAlign) - 1) % (pExaScr->info->pixmapPitchAlign ))) | |||
209 | pExaScr->info->pixmapPitchAlign)(((pExaPixmap->fb_pitch) + (pExaScr->info->pixmapPitchAlign ) - 1) - (((pExaPixmap->fb_pitch) + (pExaScr->info-> pixmapPitchAlign) - 1) % (pExaScr->info->pixmapPitchAlign ))); | |||
210 | } | |||
211 | ||||
212 | /** | |||
213 | * Returns TRUE if the pixmap is not movable. This is the case where it's a | |||
214 | * pixmap which has no private (almost always bad) or it's a scratch pixmap created by | |||
215 | * some X Server internal component (the score says it's pinned). | |||
216 | */ | |||
217 | Bool | |||
218 | exaPixmapIsPinned(PixmapPtr pPix) | |||
219 | { | |||
220 | ExaPixmapPriv(pPix)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pPix)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&((pPix)->drawable.pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->pixmapPrivateKeyRec)); | |||
221 | ||||
222 | if (pExaPixmap == NULL((void*)0)) | |||
223 | EXA_FatalErrorDebugWithRet(("EXA bug: exaPixmapIsPinned was called on a non-exa pixmap.\n"), TRUE)do { ErrorF ("EXA bug: exaPixmapIsPinned was called on a non-exa pixmap.\n" ); return 1; } while (0); | |||
224 | ||||
225 | return pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED1000; | |||
226 | } | |||
227 | ||||
228 | /** | |||
229 | * exaPixmapHasGpuCopy() is used to determine if a pixmap is in offscreen | |||
230 | * memory, meaning that acceleration could probably be done to it, and that it | |||
231 | * will need to be wrapped by PrepareAccess()/FinishAccess() when accessing it | |||
232 | * with the CPU. | |||
233 | * | |||
234 | * Note that except for UploadToScreen()/DownloadFromScreen() (which explicitly | |||
235 | * deal with moving pixmaps in and out of system memory), EXA will give drivers | |||
236 | * pixmaps as arguments for which exaPixmapHasGpuCopy() is TRUE. | |||
237 | * | |||
238 | * @return TRUE if the given drawable is in framebuffer memory. | |||
239 | */ | |||
240 | Bool | |||
241 | exaPixmapHasGpuCopy(PixmapPtr pPixmap) | |||
242 | { | |||
243 | ScreenPtr pScreen = pPixmap->drawable.pScreen; | |||
244 | ||||
245 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
246 | ||||
247 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
248 | return FALSE0; | |||
249 | ||||
250 | return (*pExaScr->pixmap_has_gpu_copy) (pPixmap); | |||
251 | } | |||
252 | ||||
253 | /** | |||
254 | * exaDrawableIsOffscreen() is a convenience wrapper for exaPixmapHasGpuCopy(). | |||
255 | */ | |||
256 | Bool | |||
257 | exaDrawableIsOffscreen(DrawablePtr pDrawable) | |||
258 | { | |||
259 | return exaPixmapHasGpuCopy(exaGetDrawablePixmap(pDrawable)); | |||
260 | } | |||
261 | ||||
262 | /** | |||
263 | * Returns the pixmap which backs a drawable, and the offsets to add to | |||
264 | * coordinates to make them address the same bits in the backing drawable. | |||
265 | */ | |||
266 | PixmapPtr | |||
267 | exaGetOffscreenPixmap(DrawablePtr pDrawable, int *xp, int *yp) | |||
268 | { | |||
269 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); | |||
270 | ||||
271 | exaGetDrawableDeltas(pDrawable, pPixmap, xp, yp); | |||
272 | ||||
273 | if (exaPixmapHasGpuCopy(pPixmap)) | |||
274 | return pPixmap; | |||
275 | else | |||
276 | return NULL((void*)0); | |||
277 | } | |||
278 | ||||
279 | /** | |||
280 | * Returns TRUE if the pixmap GPU copy is being accessed. | |||
281 | */ | |||
282 | Bool | |||
283 | ExaDoPrepareAccess(PixmapPtr pPixmap, int index) | |||
284 | { | |||
285 | ScreenPtr pScreen = pPixmap->drawable.pScreen; | |||
286 | ||||
287 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
288 | ExaPixmapPriv(pPixmap)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pPixmap)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&((pPixmap)->drawable.pScreen)->devPrivates, (& exaScreenPrivateKeyRec)))->pixmapPrivateKeyRec)); | |||
289 | Bool has_gpu_copy, ret; | |||
290 | int i; | |||
291 | ||||
292 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
293 | return FALSE0; | |||
294 | ||||
295 | if (pExaPixmap == NULL((void*)0)) | |||
296 | EXA_FatalErrorDebugWithRet(("EXA bug: ExaDoPrepareAccess was called on a non-exa pixmap.\n"), FALSE)do { ErrorF ("EXA bug: ExaDoPrepareAccess was called on a non-exa pixmap.\n" ); return 0; } while (0); | |||
297 | ||||
298 | /* Handle repeated / nested calls. */ | |||
299 | for (i = 0; i < EXA_NUM_PREPARE_INDICES6; i++) { | |||
300 | if (pExaScr->access[i].pixmap == pPixmap) { | |||
301 | pExaScr->access[i].count++; | |||
302 | return pExaScr->access[i].retval; | |||
303 | } | |||
304 | } | |||
305 | ||||
306 | /* If slot for this index is taken, find an empty slot */ | |||
307 | if (pExaScr->access[index].pixmap) { | |||
308 | for (index = EXA_NUM_PREPARE_INDICES6 - 1; index >= 0; index--) | |||
309 | if (!pExaScr->access[index].pixmap) | |||
310 | break; | |||
311 | } | |||
312 | ||||
313 | /* Access to this pixmap hasn't been prepared yet, so data pointer should be NULL. */ | |||
314 | if (pPixmap->devPrivate.ptr != NULL((void*)0)) { | |||
315 | EXA_FatalErrorDebug(("EXA bug: pPixmap->devPrivate.ptr was %p, but should have been NULL.\n", pPixmap->devPrivate.ptr))ErrorF ("EXA bug: pPixmap->devPrivate.ptr was %p, but should have been NULL.\n" , pPixmap->devPrivate.ptr); | |||
316 | } | |||
317 | ||||
318 | has_gpu_copy = exaPixmapHasGpuCopy(pPixmap); | |||
319 | ||||
320 | if (has_gpu_copy && pExaPixmap->fb_ptr) { | |||
321 | pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr; | |||
322 | ret = TRUE1; | |||
323 | } | |||
324 | else { | |||
325 | pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; | |||
326 | ret = FALSE0; | |||
327 | } | |||
328 | ||||
329 | /* Store so we can handle repeated / nested calls. */ | |||
330 | pExaScr->access[index].pixmap = pPixmap; | |||
331 | pExaScr->access[index].count = 1; | |||
332 | ||||
333 | if (!has_gpu_copy) | |||
334 | goto out; | |||
335 | ||||
336 | exaWaitSync(pScreen); | |||
337 | ||||
338 | if (pExaScr->info->PrepareAccess == NULL((void*)0)) | |||
339 | goto out; | |||
340 | ||||
341 | if (index >= EXA_PREPARE_AUX_DEST3 && | |||
342 | !(pExaScr->info->flags & EXA_SUPPORTS_PREPARE_AUX(1 << 4))) { | |||
343 | if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED1000) | |||
344 | FatalError("Unsupported AUX indices used on a pinned pixmap.\n"); | |||
345 | exaMoveOutPixmap(pPixmap); | |||
346 | ret = FALSE0; | |||
347 | goto out; | |||
348 | } | |||
349 | ||||
350 | if (!(*pExaScr->info->PrepareAccess) (pPixmap, index)) { | |||
351 | if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED1000 && | |||
352 | !(pExaScr->info->flags & EXA_MIXED_PIXMAPS(1 << 6))) | |||
353 | FatalError("Driver failed PrepareAccess on a pinned pixmap.\n"); | |||
354 | exaMoveOutPixmap(pPixmap); | |||
355 | ret = FALSE0; | |||
356 | goto out; | |||
357 | } | |||
358 | ||||
359 | ret = TRUE1; | |||
360 | ||||
361 | out: | |||
362 | pExaScr->access[index].retval = ret; | |||
363 | return ret; | |||
364 | } | |||
365 | ||||
366 | /** | |||
367 | * exaPrepareAccess() is EXA's wrapper for the driver's PrepareAccess() handler. | |||
368 | * | |||
369 | * It deals with waiting for synchronization with the card, determining if | |||
370 | * PrepareAccess() is necessary, and working around PrepareAccess() failure. | |||
371 | */ | |||
372 | void | |||
373 | exaPrepareAccess(DrawablePtr pDrawable, int index) | |||
374 | { | |||
375 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); | |||
376 | ||||
377 | ExaScreenPriv(pDrawable->pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pDrawable->pScreen)->devPrivates, (&exaScreenPrivateKeyRec ))); | |||
378 | ||||
379 | if (pExaScr->prepare_access_reg) | |||
380 | pExaScr->prepare_access_reg(pPixmap, index, NULL((void*)0)); | |||
381 | else | |||
382 | (void) ExaDoPrepareAccess(pPixmap, index); | |||
383 | } | |||
384 | ||||
385 | /** | |||
386 | * exaFinishAccess() is EXA's wrapper for the driver's FinishAccess() handler. | |||
387 | * | |||
388 | * It deals with calling the driver's FinishAccess() only if necessary. | |||
389 | */ | |||
390 | void | |||
391 | exaFinishAccess(DrawablePtr pDrawable, int index) | |||
392 | { | |||
393 | ScreenPtr pScreen = pDrawable->pScreen; | |||
394 | ||||
395 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
396 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); | |||
397 | ||||
398 | ExaPixmapPriv(pPixmap)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pPixmap)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&((pPixmap)->drawable.pScreen)->devPrivates, (& exaScreenPrivateKeyRec)))->pixmapPrivateKeyRec)); | |||
399 | int i; | |||
400 | ||||
401 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
402 | return; | |||
403 | ||||
404 | if (pExaPixmap == NULL((void*)0)) | |||
405 | EXA_FatalErrorDebugWithRet(("EXA bug: exaFinishAccesss was called on a non-exa pixmap.\n"),)do { ErrorF ("EXA bug: exaFinishAccesss was called on a non-exa pixmap.\n" ); return ; } while (0); | |||
406 | ||||
407 | /* Handle repeated / nested calls. */ | |||
408 | for (i = 0; i < EXA_NUM_PREPARE_INDICES6; i++) { | |||
409 | if (pExaScr->access[i].pixmap == pPixmap) { | |||
410 | if (--pExaScr->access[i].count > 0) | |||
411 | return; | |||
412 | break; | |||
413 | } | |||
414 | } | |||
415 | ||||
416 | /* Catch unbalanced Prepare/FinishAccess calls. */ | |||
417 | if (i == EXA_NUM_PREPARE_INDICES6) | |||
418 | EXA_FatalErrorDebugWithRet(("EXA bug: FinishAccess called without PrepareAccess for pixmap 0x%p.\n", pPixmap),)do { ErrorF ("EXA bug: FinishAccess called without PrepareAccess for pixmap 0x%p.\n" , pPixmap); return ; } while (0); | |||
419 | ||||
420 | pExaScr->access[i].pixmap = NULL((void*)0); | |||
421 | ||||
422 | /* We always hide the devPrivate.ptr. */ | |||
423 | pPixmap->devPrivate.ptr = NULL((void*)0); | |||
424 | ||||
425 | /* Only call FinishAccess if PrepareAccess was called and succeeded. */ | |||
426 | if (!pExaScr->info->FinishAccess || !pExaScr->access[i].retval) | |||
427 | return; | |||
428 | ||||
429 | if (i >= EXA_PREPARE_AUX_DEST3 && | |||
430 | !(pExaScr->info->flags & EXA_SUPPORTS_PREPARE_AUX(1 << 4))) { | |||
431 | ErrorF("EXA bug: Trying to call driver FinishAccess hook with " | |||
432 | "unsupported index EXA_PREPARE_AUX*\n"); | |||
433 | return; | |||
434 | } | |||
435 | ||||
436 | (*pExaScr->info->FinishAccess) (pPixmap, i); | |||
437 | } | |||
438 | ||||
439 | /** | |||
440 | * Helper for things common to all schemes when a pixmap is destroyed | |||
441 | */ | |||
442 | void | |||
443 | exaDestroyPixmap(PixmapPtr pPixmap) | |||
444 | { | |||
445 | ExaScreenPriv(pPixmap->drawable.pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pPixmap->drawable.pScreen)->devPrivates, (&exaScreenPrivateKeyRec ))); | |||
446 | int i; | |||
447 | ||||
448 | /* Finish access if it was prepared (e.g. pixmap created during | |||
449 | * software fallback) | |||
450 | */ | |||
451 | for (i = 0; i < EXA_NUM_PREPARE_INDICES6; i++) { | |||
452 | if (pExaScr->access[i].pixmap == pPixmap) { | |||
453 | exaFinishAccess(&pPixmap->drawable, i); | |||
454 | pExaScr->access[i].pixmap = NULL((void*)0); | |||
455 | break; | |||
456 | } | |||
457 | } | |||
458 | } | |||
459 | ||||
460 | /** | |||
461 | * Here begins EXA's GC code. | |||
462 | * Do not ever access the fb/mi layer directly. | |||
463 | */ | |||
464 | ||||
465 | static void | |||
466 | exaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable); | |||
467 | ||||
468 | static void | |||
469 | exaDestroyGC(GCPtr pGC); | |||
470 | ||||
471 | static void | |||
472 | exaChangeGC(GCPtr pGC, unsigned long mask); | |||
473 | ||||
474 | static void | |||
475 | exaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst); | |||
476 | ||||
477 | static void | |||
478 | exaChangeClip(GCPtr pGC, int type, void *pvalue, int nrects); | |||
479 | ||||
480 | static void | |||
481 | exaCopyClip(GCPtr pGCDst, GCPtr pGCSrc); | |||
482 | ||||
483 | static void | |||
484 | exaDestroyClip(GCPtr pGC); | |||
485 | ||||
486 | const GCFuncs exaGCFuncs = { | |||
487 | exaValidateGC, | |||
488 | exaChangeGC, | |||
489 | exaCopyGC, | |||
490 | exaDestroyGC, | |||
491 | exaChangeClip, | |||
492 | exaDestroyClip, | |||
493 | exaCopyClip | |||
494 | }; | |||
495 | ||||
496 | static void | |||
497 | exaValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) | |||
498 | { | |||
499 | /* fbValidateGC will do direct access to pixmaps if the tiling has changed. | |||
500 | * Do a few smart things so fbValidateGC can do it's work. | |||
501 | */ | |||
502 | ||||
503 | ScreenPtr pScreen = pDrawable->pScreen; | |||
504 | ||||
505 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
506 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
507 | PixmapPtr pTile = NULL((void*)0); | |||
508 | Bool finish_current_tile = FALSE0; | |||
509 | ||||
510 | /* Either of these conditions is enough to trigger access to a tile pixmap. */ | |||
511 | /* With pGC->tileIsPixel == 1, you run the risk of dereferencing an invalid tile pixmap pointer. */ | |||
512 | if (pGC->fillStyle == FillTiled1 || | |||
513 | ((changes & GCTile(1L<<10)) && !pGC->tileIsPixel)) { | |||
514 | pTile = pGC->tile.pixmap; | |||
515 | ||||
516 | /* Sometimes tile pixmaps are swapped, you need access to: | |||
517 | * - The current tile if it depth matches. | |||
518 | * - Or the rotated tile if that one matches depth and !(changes & GCTile). | |||
519 | * - Or the current tile pixmap and a newly created one. | |||
520 | */ | |||
521 | if (pTile && pTile->drawable.depth != pDrawable->depth && | |||
522 | !(changes & GCTile(1L<<10))) { | |||
523 | PixmapPtr pRotatedTile = fbGetRotatedPixmap(pGC)((pGC)->pRotatedPixmap); | |||
524 | ||||
525 | if (pRotatedTile && | |||
526 | pRotatedTile->drawable.depth == pDrawable->depth) | |||
527 | pTile = pRotatedTile; | |||
528 | else | |||
529 | finish_current_tile = TRUE1; /* CreatePixmap will be called. */ | |||
530 | } | |||
531 | } | |||
532 | ||||
533 | if (pGC->stipple) | |||
534 | exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK2); | |||
535 | if (pTile) | |||
536 | exaPrepareAccess(&pTile->drawable, EXA_PREPARE_SRC1); | |||
537 | ||||
538 | /* Calls to Create/DestroyPixmap have to be identified as special. */ | |||
539 | pExaScr->fallback_counter++; | |||
540 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
541 | (*pGC->funcs->ValidateGC) (pGC, changes, pDrawable); | |||
542 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
543 | pExaScr->fallback_counter--; | |||
544 | ||||
545 | if (pTile) | |||
546 | exaFinishAccess(&pTile->drawable, EXA_PREPARE_SRC1); | |||
547 | if (finish_current_tile && pGC->tile.pixmap) | |||
548 | exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_AUX_DEST3); | |||
549 | if (pGC->stipple) | |||
550 | exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK2); | |||
551 | } | |||
552 | ||||
553 | /* Is exaPrepareAccessGC() needed? */ | |||
554 | static void | |||
555 | exaDestroyGC(GCPtr pGC) | |||
556 | { | |||
557 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
558 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
559 | (*pGC->funcs->DestroyGC) (pGC); | |||
560 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
561 | } | |||
562 | ||||
563 | static void | |||
564 | exaChangeGC(GCPtr pGC, unsigned long mask) | |||
565 | { | |||
566 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
567 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
568 | (*pGC->funcs->ChangeGC) (pGC, mask); | |||
569 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
570 | } | |||
571 | ||||
572 | static void | |||
573 | exaCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) | |||
574 | { | |||
575 | ExaGCPriv(pGCDst)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGCDst)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&(pGCDst->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
576 | swap(pExaGC, pGCDst, funcs){ typeof(pGCDst->funcs) tmp = pExaGC->Savedfuncs; pExaGC ->Savedfuncs = pGCDst->funcs; pGCDst->funcs = tmp; }; | |||
577 | (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); | |||
578 | swap(pExaGC, pGCDst, funcs){ typeof(pGCDst->funcs) tmp = pExaGC->Savedfuncs; pExaGC ->Savedfuncs = pGCDst->funcs; pGCDst->funcs = tmp; }; | |||
579 | } | |||
580 | ||||
581 | static void | |||
582 | exaChangeClip(GCPtr pGC, int type, void *pvalue, int nrects) | |||
583 | { | |||
584 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
585 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
586 | (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); | |||
587 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
588 | } | |||
589 | ||||
590 | static void | |||
591 | exaCopyClip(GCPtr pGCDst, GCPtr pGCSrc) | |||
592 | { | |||
593 | ExaGCPriv(pGCDst)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGCDst)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate (&(pGCDst->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
594 | swap(pExaGC, pGCDst, funcs){ typeof(pGCDst->funcs) tmp = pExaGC->Savedfuncs; pExaGC ->Savedfuncs = pGCDst->funcs; pGCDst->funcs = tmp; }; | |||
595 | (*pGCDst->funcs->CopyClip) (pGCDst, pGCSrc); | |||
596 | swap(pExaGC, pGCDst, funcs){ typeof(pGCDst->funcs) tmp = pExaGC->Savedfuncs; pExaGC ->Savedfuncs = pGCDst->funcs; pGCDst->funcs = tmp; }; | |||
597 | } | |||
598 | ||||
599 | static void | |||
600 | exaDestroyClip(GCPtr pGC) | |||
601 | { | |||
602 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
603 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
604 | (*pGC->funcs->DestroyClip) (pGC); | |||
605 | swap(pExaGC, pGC, funcs){ typeof(pGC->funcs) tmp = pExaGC->Savedfuncs; pExaGC-> Savedfuncs = pGC->funcs; pGC->funcs = tmp; }; | |||
606 | } | |||
607 | ||||
608 | /** | |||
609 | * exaCreateGC makes a new GC and hooks up its funcs handler, so that | |||
610 | * exaValidateGC() will get called. | |||
611 | */ | |||
612 | static int | |||
613 | exaCreateGC(GCPtr pGC) | |||
614 | { | |||
615 | ScreenPtr pScreen = pGC->pScreen; | |||
616 | ||||
617 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
618 | ExaGCPriv(pGC)ExaGCPrivPtr pExaGC = ((ExaGCPrivPtr)dixGetPrivateAddr(&( pGC)->devPrivates, &((ExaScreenPrivPtr)dixGetPrivate(& (pGC->pScreen)->devPrivates, (&exaScreenPrivateKeyRec )))->gcPrivateKeyRec)); | |||
619 | Bool ret; | |||
620 | ||||
621 | swap(pExaScr, pScreen, CreateGC){ typeof(pScreen->CreateGC) tmp = pExaScr->SavedCreateGC ; pExaScr->SavedCreateGC = pScreen->CreateGC; pScreen-> CreateGC = tmp; }; | |||
622 | if ((ret = (*pScreen->CreateGC) (pGC))) { | |||
623 | wrap(pExaGC, pGC, funcs, &exaGCFuncs){ pExaGC->Savedfuncs = pGC->funcs; pGC->funcs = & exaGCFuncs; }; | |||
624 | wrap(pExaGC, pGC, ops, &exaOps){ pExaGC->Savedops = pGC->ops; pGC->ops = &exaOps ; }; | |||
625 | } | |||
626 | swap(pExaScr, pScreen, CreateGC){ typeof(pScreen->CreateGC) tmp = pExaScr->SavedCreateGC ; pExaScr->SavedCreateGC = pScreen->CreateGC; pScreen-> CreateGC = tmp; }; | |||
627 | ||||
628 | return ret; | |||
629 | } | |||
630 | ||||
631 | static Bool | |||
632 | exaChangeWindowAttributes(WindowPtr pWin, unsigned long mask) | |||
633 | { | |||
634 | Bool ret; | |||
635 | ScreenPtr pScreen = pWin->drawable.pScreen; | |||
636 | ||||
637 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
638 | ||||
639 | if ((mask & CWBackPixmap(1L<<0)) && pWin->backgroundState == BackgroundPixmap3L) | |||
640 | exaPrepareAccess(&pWin->background.pixmap->drawable, EXA_PREPARE_SRC1); | |||
641 | ||||
642 | if ((mask & CWBorderPixmap(1L<<2)) && pWin->borderIsPixel == FALSE0) | |||
643 | exaPrepareAccess(&pWin->border.pixmap->drawable, EXA_PREPARE_MASK2); | |||
644 | ||||
645 | pExaScr->fallback_counter++; | |||
646 | swap(pExaScr, pScreen, ChangeWindowAttributes){ typeof(pScreen->Darwin_X_ChangeWindowAttributes) tmp = pExaScr ->SavedChangeWindowAttributes; pExaScr->SavedChangeWindowAttributes = pScreen->Darwin_X_ChangeWindowAttributes; pScreen->Darwin_X_ChangeWindowAttributes = tmp; }; | |||
647 | ret = pScreen->ChangeWindowAttributesDarwin_X_ChangeWindowAttributes(pWin, mask); | |||
648 | swap(pExaScr, pScreen, ChangeWindowAttributes){ typeof(pScreen->Darwin_X_ChangeWindowAttributes) tmp = pExaScr ->SavedChangeWindowAttributes; pExaScr->SavedChangeWindowAttributes = pScreen->Darwin_X_ChangeWindowAttributes; pScreen->Darwin_X_ChangeWindowAttributes = tmp; }; | |||
649 | pExaScr->fallback_counter--; | |||
650 | ||||
651 | if ((mask & CWBackPixmap(1L<<0)) && pWin->backgroundState == BackgroundPixmap3L) | |||
652 | exaFinishAccess(&pWin->background.pixmap->drawable, EXA_PREPARE_SRC1); | |||
653 | if ((mask & CWBorderPixmap(1L<<2)) && pWin->borderIsPixel == FALSE0) | |||
654 | exaFinishAccess(&pWin->border.pixmap->drawable, EXA_PREPARE_MASK2); | |||
655 | ||||
656 | return ret; | |||
657 | } | |||
658 | ||||
659 | static RegionPtr | |||
660 | exaBitmapToRegion(PixmapPtr pPix) | |||
661 | { | |||
662 | RegionPtr ret; | |||
663 | ScreenPtr pScreen = pPix->drawable.pScreen; | |||
664 | ||||
665 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
666 | ||||
667 | exaPrepareAccess(&pPix->drawable, EXA_PREPARE_SRC1); | |||
668 | swap(pExaScr, pScreen, BitmapToRegion){ typeof(pScreen->BitmapToRegion) tmp = pExaScr->SavedBitmapToRegion ; pExaScr->SavedBitmapToRegion = pScreen->BitmapToRegion ; pScreen->BitmapToRegion = tmp; }; | |||
669 | ret = (*pScreen->BitmapToRegion) (pPix); | |||
670 | swap(pExaScr, pScreen, BitmapToRegion){ typeof(pScreen->BitmapToRegion) tmp = pExaScr->SavedBitmapToRegion ; pExaScr->SavedBitmapToRegion = pScreen->BitmapToRegion ; pScreen->BitmapToRegion = tmp; }; | |||
671 | exaFinishAccess(&pPix->drawable, EXA_PREPARE_SRC1); | |||
672 | ||||
673 | return ret; | |||
674 | } | |||
675 | ||||
676 | static Bool | |||
677 | exaCreateScreenResources(ScreenPtr pScreen) | |||
678 | { | |||
679 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
680 | PixmapPtr pScreenPixmap; | |||
681 | Bool b; | |||
682 | ||||
683 | swap(pExaScr, pScreen, CreateScreenResources){ typeof(pScreen->CreateScreenResources) tmp = pExaScr-> SavedCreateScreenResources; pExaScr->SavedCreateScreenResources = pScreen->CreateScreenResources; pScreen->CreateScreenResources = tmp; }; | |||
684 | b = pScreen->CreateScreenResources(pScreen); | |||
685 | swap(pExaScr, pScreen, CreateScreenResources){ typeof(pScreen->CreateScreenResources) tmp = pExaScr-> SavedCreateScreenResources; pExaScr->SavedCreateScreenResources = pScreen->CreateScreenResources; pScreen->CreateScreenResources = tmp; }; | |||
686 | ||||
687 | if (!b) | |||
688 | return FALSE0; | |||
689 | ||||
690 | pScreenPixmap = pScreen->GetScreenPixmap(pScreen); | |||
691 | ||||
692 | if (pScreenPixmap) { | |||
693 | ExaPixmapPriv(pScreenPixmap)ExaPixmapPrivPtr pExaPixmap = ((ExaPixmapPrivPtr)dixGetPrivateAddr (&(pScreenPixmap)->devPrivates, &((ExaScreenPrivPtr )dixGetPrivate(&((pScreenPixmap)->drawable.pScreen)-> devPrivates, (&exaScreenPrivateKeyRec)))->pixmapPrivateKeyRec )); | |||
694 | ||||
695 | exaSetAccelBlock(pExaScr, pExaPixmap, | |||
696 | pScreenPixmap->drawable.width, | |||
697 | pScreenPixmap->drawable.height, | |||
698 | pScreenPixmap->drawable.bitsPerPixel); | |||
699 | } | |||
700 | ||||
701 | return TRUE1; | |||
702 | } | |||
703 | ||||
704 | static void | |||
705 | ExaBlockHandler(ScreenPtr pScreen, void *pTimeout, | |||
706 | void *pReadmask) | |||
707 | { | |||
708 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
709 | ||||
710 | /* Move any deferred results from a software fallback to the driver pixmap */ | |||
711 | if (pExaScr->deferred_mixed_pixmap) | |||
712 | exaMoveInPixmap_mixed(pExaScr->deferred_mixed_pixmap); | |||
713 | ||||
714 | unwrap(pExaScr, pScreen, BlockHandler){ pScreen->BlockHandler = pExaScr->SavedBlockHandler; }; | |||
715 | (*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask); | |||
716 | wrap(pExaScr, pScreen, BlockHandler, ExaBlockHandler){ pExaScr->SavedBlockHandler = pScreen->BlockHandler; pScreen ->BlockHandler = ExaBlockHandler; }; | |||
717 | ||||
718 | /* The rest only applies to classic EXA */ | |||
719 | if (pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3)) | |||
720 | return; | |||
721 | ||||
722 | /* Try and keep the offscreen memory area tidy every now and then (at most | |||
723 | * once per second) when the server has been idle for at least 100ms. | |||
724 | */ | |||
725 | if (pExaScr->numOffscreenAvailable > 1) { | |||
726 | CARD32 now = GetTimeInMillis(); | |||
727 | ||||
728 | pExaScr->nextDefragment = now + | |||
729 | max(100, (INT32) (pExaScr->lastDefragment + 1000 - now))(((100) > ((INT32) (pExaScr->lastDefragment + 1000 - now ))) ? (100) : ((INT32) (pExaScr->lastDefragment + 1000 - now ))); | |||
730 | AdjustWaitForDelay(pTimeout, pExaScr->nextDefragment - now); | |||
731 | } | |||
732 | } | |||
733 | ||||
734 | static void | |||
735 | ExaWakeupHandler(ScreenPtr pScreen, unsigned long result, | |||
736 | void *pReadmask) | |||
737 | { | |||
738 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
739 | ||||
740 | unwrap(pExaScr, pScreen, WakeupHandler){ pScreen->WakeupHandler = pExaScr->SavedWakeupHandler; }; | |||
741 | (*pScreen->WakeupHandler) (pScreen, result, pReadmask); | |||
742 | wrap(pExaScr, pScreen, WakeupHandler, ExaWakeupHandler){ pExaScr->SavedWakeupHandler = pScreen->WakeupHandler; pScreen->WakeupHandler = ExaWakeupHandler; }; | |||
743 | ||||
744 | if (result == 0 && pExaScr->numOffscreenAvailable > 1) { | |||
745 | CARD32 now = GetTimeInMillis(); | |||
746 | ||||
747 | if ((int) (now - pExaScr->nextDefragment) > 0) { | |||
748 | ExaOffscreenDefragment(pScreen); | |||
749 | pExaScr->lastDefragment = now; | |||
750 | } | |||
751 | } | |||
752 | } | |||
753 | ||||
754 | /** | |||
755 | * exaCloseScreen() unwraps its wrapped screen functions and tears down EXA's | |||
756 | * screen private, before calling down to the next CloseSccreen. | |||
757 | */ | |||
758 | static Bool | |||
759 | exaCloseScreen(ScreenPtr pScreen) | |||
760 | { | |||
761 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
762 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
763 | ||||
764 | if (ps->Glyphs == exaGlyphs) | |||
765 | exaGlyphsFini(pScreen); | |||
766 | ||||
767 | if (pScreen->BlockHandler == ExaBlockHandler) | |||
768 | unwrap(pExaScr, pScreen, BlockHandler){ pScreen->BlockHandler = pExaScr->SavedBlockHandler; }; | |||
769 | if (pScreen->WakeupHandler == ExaWakeupHandler) | |||
770 | unwrap(pExaScr, pScreen, WakeupHandler){ pScreen->WakeupHandler = pExaScr->SavedWakeupHandler; }; | |||
771 | unwrap(pExaScr, pScreen, CreateGC){ pScreen->CreateGC = pExaScr->SavedCreateGC; }; | |||
772 | unwrap(pExaScr, pScreen, CloseScreen){ pScreen->CloseScreen = pExaScr->SavedCloseScreen; }; | |||
773 | unwrap(pExaScr, pScreen, GetImage){ pScreen->GetImage = pExaScr->SavedGetImage; }; | |||
774 | unwrap(pExaScr, pScreen, GetSpans){ pScreen->GetSpans = pExaScr->SavedGetSpans; }; | |||
775 | if (pExaScr->SavedCreatePixmap) | |||
776 | unwrap(pExaScr, pScreen, CreatePixmap){ pScreen->CreatePixmap = pExaScr->SavedCreatePixmap; }; | |||
777 | if (pExaScr->SavedDestroyPixmap) | |||
778 | unwrap(pExaScr, pScreen, DestroyPixmap){ pScreen->DestroyPixmap = pExaScr->SavedDestroyPixmap; }; | |||
779 | if (pExaScr->SavedModifyPixmapHeader) | |||
780 | unwrap(pExaScr, pScreen, ModifyPixmapHeader){ pScreen->ModifyPixmapHeader = pExaScr->SavedModifyPixmapHeader ; }; | |||
781 | unwrap(pExaScr, pScreen, CopyWindow){ pScreen->CopyWindow = pExaScr->SavedCopyWindow; }; | |||
782 | unwrap(pExaScr, pScreen, ChangeWindowAttributes){ pScreen->Darwin_X_ChangeWindowAttributes = pExaScr->SavedChangeWindowAttributes ; }; | |||
783 | unwrap(pExaScr, pScreen, BitmapToRegion){ pScreen->BitmapToRegion = pExaScr->SavedBitmapToRegion ; }; | |||
784 | unwrap(pExaScr, pScreen, CreateScreenResources){ pScreen->CreateScreenResources = pExaScr->SavedCreateScreenResources ; }; | |||
785 | if (pExaScr->SavedSharePixmapBacking) | |||
786 | unwrap(pExaScr, pScreen, SharePixmapBacking){ pScreen->SharePixmapBacking = pExaScr->SavedSharePixmapBacking ; }; | |||
787 | if (pExaScr->SavedSetSharedPixmapBacking) | |||
788 | unwrap(pExaScr, pScreen, SetSharedPixmapBacking){ pScreen->SetSharedPixmapBacking = pExaScr->SavedSetSharedPixmapBacking ; }; | |||
789 | unwrap(pExaScr, ps, Composite){ ps->Composite = pExaScr->SavedComposite; }; | |||
790 | if (pExaScr->SavedGlyphs) | |||
791 | unwrap(pExaScr, ps, Glyphs){ ps->Glyphs = pExaScr->SavedGlyphs; }; | |||
792 | unwrap(pExaScr, ps, Trapezoids){ ps->Trapezoids = pExaScr->SavedTrapezoids; }; | |||
793 | unwrap(pExaScr, ps, Triangles){ ps->Triangles = pExaScr->SavedTriangles; }; | |||
794 | unwrap(pExaScr, ps, AddTraps){ ps->AddTraps = pExaScr->SavedAddTraps; }; | |||
795 | ||||
796 | free(pExaScr); | |||
797 | ||||
798 | return (*pScreen->CloseScreen) (pScreen); | |||
799 | } | |||
800 | ||||
801 | /** | |||
802 | * This function allocates a driver structure for EXA drivers to fill in. By | |||
803 | * having EXA allocate the structure, the driver structure can be extended | |||
804 | * without breaking ABI between EXA and the drivers. The driver's | |||
805 | * responsibility is to check beforehand that the EXA module has a matching | |||
806 | * major number and sufficient minor. Drivers are responsible for freeing the | |||
807 | * driver structure using free(). | |||
808 | * | |||
809 | * @return a newly allocated, zero-filled driver structure | |||
810 | */ | |||
811 | ExaDriverPtr | |||
812 | exaDriverAlloc(void) | |||
813 | { | |||
814 | return calloc(1, sizeof(ExaDriverRec)); | |||
815 | } | |||
816 | ||||
817 | /** | |||
818 | * @param pScreen screen being initialized | |||
819 | * @param pScreenInfo EXA driver record | |||
820 | * | |||
821 | * exaDriverInit sets up EXA given a driver record filled in by the driver. | |||
822 | * pScreenInfo should have been allocated by exaDriverAlloc(). See the | |||
823 | * comments in _ExaDriver for what must be filled in and what is optional. | |||
824 | * | |||
825 | * @return TRUE if EXA was successfully initialized. | |||
826 | */ | |||
827 | Bool | |||
828 | exaDriverInit(ScreenPtr pScreen, ExaDriverPtr pScreenInfo) | |||
829 | { | |||
830 | ExaScreenPrivPtr pExaScr; | |||
831 | PictureScreenPtr ps; | |||
832 | ||||
833 | if (!pScreenInfo) | |||
| ||||
834 | return FALSE0; | |||
835 | ||||
836 | if (pScreenInfo->exa_major != EXA_VERSION_MAJOR2 || | |||
837 | pScreenInfo->exa_minor > EXA_VERSION_MINOR6) { | |||
838 | LogMessage(X_ERROR, "EXA(%d): driver's EXA version requirements " | |||
839 | "(%d.%d) are incompatible with EXA version (%d.%d)\n", | |||
840 | pScreen->myNum, | |||
841 | pScreenInfo->exa_major, pScreenInfo->exa_minor, | |||
842 | EXA_VERSION_MAJOR2, EXA_VERSION_MINOR6); | |||
843 | return FALSE0; | |||
844 | } | |||
845 | ||||
846 | if (!pScreenInfo->CreatePixmap && !pScreenInfo->CreatePixmap2) { | |||
847 | if (!pScreenInfo->memoryBase) { | |||
848 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memoryBase " | |||
849 | "must be non-zero\n", pScreen->myNum); | |||
850 | return FALSE0; | |||
851 | } | |||
852 | ||||
853 | if (!pScreenInfo->memorySize) { | |||
854 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memorySize must be " | |||
855 | "non-zero\n", pScreen->myNum); | |||
856 | return FALSE0; | |||
857 | } | |||
858 | ||||
859 | if (pScreenInfo->offScreenBase > pScreenInfo->memorySize) { | |||
860 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::offScreenBase must " | |||
861 | "be <= ExaDriverRec::memorySize\n", pScreen->myNum); | |||
862 | return FALSE0; | |||
863 | } | |||
864 | } | |||
865 | ||||
866 | if (!pScreenInfo->PrepareSolid) { | |||
867 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareSolid must be " | |||
868 | "non-NULL\n", pScreen->myNum); | |||
869 | return FALSE0; | |||
870 | } | |||
871 | ||||
872 | if (!pScreenInfo->PrepareCopy) { | |||
873 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareCopy must be " | |||
874 | "non-NULL\n", pScreen->myNum); | |||
875 | return FALSE0; | |||
876 | } | |||
877 | ||||
878 | if (!pScreenInfo->WaitMarker) { | |||
879 | LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::WaitMarker must be " | |||
880 | "non-NULL\n", pScreen->myNum); | |||
881 | return FALSE0; | |||
882 | } | |||
883 | ||||
884 | /* If the driver doesn't set any max pitch values, we'll just assume | |||
885 | * that there's a limitation by pixels, and that it's the same as | |||
886 | * maxX. | |||
887 | * | |||
888 | * We want maxPitchPixels or maxPitchBytes to be set so we can check | |||
889 | * pixmaps against the max pitch in exaCreatePixmap() -- it matters | |||
890 | * whether a pixmap is rejected because of its pitch or | |||
891 | * because of its width. | |||
892 | */ | |||
893 | if (!pScreenInfo->maxPitchPixels && !pScreenInfo->maxPitchBytes) { | |||
894 | pScreenInfo->maxPitchPixels = pScreenInfo->maxX; | |||
895 | } | |||
896 | ||||
897 | ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
898 | ||||
899 | if (!dixRegisterPrivateKey(&exaScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) { | |||
900 | LogMessage(X_WARNING, "EXA(%d): Failed to register screen private\n", | |||
901 | pScreen->myNum); | |||
902 | return FALSE0; | |||
903 | } | |||
904 | ||||
905 | pExaScr = calloc(sizeof(ExaScreenPrivRec), 1); | |||
906 | if (!pExaScr) { | |||
907 | LogMessage(X_WARNING, "EXA(%d): Failed to allocate screen private\n", | |||
908 | pScreen->myNum); | |||
909 | return FALSE0; | |||
910 | } | |||
911 | ||||
912 | pExaScr->info = pScreenInfo; | |||
913 | ||||
914 | dixSetPrivate(&pScreen->devPrivates, exaScreenPrivateKey(&exaScreenPrivateKeyRec), pExaScr); | |||
915 | ||||
916 | pExaScr->migration = ExaMigrationAlways; | |||
917 | ||||
918 | exaDDXDriverInit(pScreen); | |||
919 | ||||
920 | if (!dixRegisterScreenSpecificPrivateKey | |||
921 | (pScreen, &pExaScr->gcPrivateKeyRec, PRIVATE_GC, sizeof(ExaGCPrivRec))) { | |||
922 | LogMessage(X_WARNING, "EXA(%d): Failed to allocate GC private\n", | |||
923 | pScreen->myNum); | |||
924 | return FALSE0; | |||
925 | } | |||
926 | ||||
927 | /* | |||
928 | * Replace various fb screen functions | |||
929 | */ | |||
930 | if ((pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0)) && | |||
931 | (!(pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3)) || | |||
932 | (pExaScr->info->flags & EXA_MIXED_PIXMAPS(1 << 6)))) | |||
933 | wrap(pExaScr, pScreen, BlockHandler, ExaBlockHandler){ pExaScr->SavedBlockHandler = pScreen->BlockHandler; pScreen ->BlockHandler = ExaBlockHandler; }; | |||
934 | if ((pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0)) && | |||
935 | !(pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3))) | |||
936 | wrap(pExaScr, pScreen, WakeupHandler, ExaWakeupHandler){ pExaScr->SavedWakeupHandler = pScreen->WakeupHandler; pScreen->WakeupHandler = ExaWakeupHandler; }; | |||
937 | wrap(pExaScr, pScreen, CreateGC, exaCreateGC){ pExaScr->SavedCreateGC = pScreen->CreateGC; pScreen-> CreateGC = exaCreateGC; }; | |||
938 | wrap(pExaScr, pScreen, CloseScreen, exaCloseScreen){ pExaScr->SavedCloseScreen = pScreen->CloseScreen; pScreen ->CloseScreen = exaCloseScreen; }; | |||
939 | wrap(pExaScr, pScreen, GetImage, exaGetImage){ pExaScr->SavedGetImage = pScreen->GetImage; pScreen-> GetImage = exaGetImage; }; | |||
940 | wrap(pExaScr, pScreen, GetSpans, ExaCheckGetSpans){ pExaScr->SavedGetSpans = pScreen->GetSpans; pScreen-> GetSpans = ExaCheckGetSpans; }; | |||
941 | wrap(pExaScr, pScreen, CopyWindow, exaCopyWindow){ pExaScr->SavedCopyWindow = pScreen->CopyWindow; pScreen ->CopyWindow = exaCopyWindow; }; | |||
942 | wrap(pExaScr, pScreen, ChangeWindowAttributes, exaChangeWindowAttributes){ pExaScr->SavedChangeWindowAttributes = pScreen->Darwin_X_ChangeWindowAttributes ; pScreen->Darwin_X_ChangeWindowAttributes = exaChangeWindowAttributes ; }; | |||
943 | wrap(pExaScr, pScreen, BitmapToRegion, exaBitmapToRegion){ pExaScr->SavedBitmapToRegion = pScreen->BitmapToRegion ; pScreen->BitmapToRegion = exaBitmapToRegion; }; | |||
944 | wrap(pExaScr, pScreen, CreateScreenResources, exaCreateScreenResources){ pExaScr->SavedCreateScreenResources = pScreen->CreateScreenResources ; pScreen->CreateScreenResources = exaCreateScreenResources ; }; | |||
945 | ||||
946 | if (ps) { | |||
947 | wrap(pExaScr, ps, Composite, exaComposite){ pExaScr->SavedComposite = ps->Composite; ps->Composite = exaComposite; }; | |||
948 | if (pScreenInfo->PrepareComposite) { | |||
949 | wrap(pExaScr, ps, Glyphs, exaGlyphs){ pExaScr->SavedGlyphs = ps->Glyphs; ps->Glyphs = exaGlyphs ; }; | |||
950 | } | |||
951 | else { | |||
952 | wrap(pExaScr, ps, Glyphs, ExaCheckGlyphs){ pExaScr->SavedGlyphs = ps->Glyphs; ps->Glyphs = ExaCheckGlyphs ; }; | |||
953 | } | |||
954 | wrap(pExaScr, ps, Trapezoids, exaTrapezoids){ pExaScr->SavedTrapezoids = ps->Trapezoids; ps->Trapezoids = exaTrapezoids; }; | |||
955 | wrap(pExaScr, ps, Triangles, exaTriangles){ pExaScr->SavedTriangles = ps->Triangles; ps->Triangles = exaTriangles; }; | |||
956 | wrap(pExaScr, ps, AddTraps, ExaCheckAddTraps){ pExaScr->SavedAddTraps = ps->AddTraps; ps->AddTraps = ExaCheckAddTraps; }; | |||
957 | } | |||
958 | ||||
959 | #ifdef MITSHM1 | |||
960 | /* | |||
961 | * Don't allow shared pixmaps. | |||
962 | */ | |||
963 | ShmRegisterFuncs(pScreen, &exaShmFuncs); | |||
964 | #endif | |||
965 | /* | |||
966 | * Hookup offscreen pixmaps | |||
967 | */ | |||
968 | if (pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0)) { | |||
969 | if (!dixRegisterScreenSpecificPrivateKey | |||
970 | (pScreen, &pExaScr->pixmapPrivateKeyRec, PRIVATE_PIXMAP, | |||
971 | sizeof(ExaPixmapPrivRec))) { | |||
972 | LogMessage(X_WARNING, | |||
973 | "EXA(%d): Failed to allocate pixmap private\n", | |||
974 | pScreen->myNum); | |||
975 | return FALSE0; | |||
976 | } | |||
977 | if (pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3)) { | |||
978 | if (pExaScr->info->flags & EXA_MIXED_PIXMAPS(1 << 6)) { | |||
979 | wrap(pExaScr, pScreen, CreatePixmap, exaCreatePixmap_mixed){ pExaScr->SavedCreatePixmap = pScreen->CreatePixmap; pScreen ->CreatePixmap = exaCreatePixmap_mixed; }; | |||
980 | wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_mixed){ pExaScr->SavedDestroyPixmap = pScreen->DestroyPixmap; pScreen->DestroyPixmap = exaDestroyPixmap_mixed; }; | |||
981 | wrap(pExaScr, pScreen, ModifyPixmapHeader,{ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_mixed ; } | |||
982 | exaModifyPixmapHeader_mixed){ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_mixed ; }; | |||
983 | wrap(pExaScr, pScreen, SharePixmapBacking, exaSharePixmapBacking_mixed){ pExaScr->SavedSharePixmapBacking = pScreen->SharePixmapBacking ; pScreen->SharePixmapBacking = exaSharePixmapBacking_mixed ; }; | |||
984 | wrap(pExaScr, pScreen, SetSharedPixmapBacking, exaSetSharedPixmapBacking_mixed){ pExaScr->SavedSetSharedPixmapBacking = pScreen->SetSharedPixmapBacking ; pScreen->SetSharedPixmapBacking = exaSetSharedPixmapBacking_mixed ; }; | |||
985 | ||||
986 | pExaScr->do_migration = exaDoMigration_mixed; | |||
987 | pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_mixed; | |||
988 | pExaScr->do_move_in_pixmap = exaMoveInPixmap_mixed; | |||
989 | pExaScr->do_move_out_pixmap = NULL((void*)0); | |||
990 | pExaScr->prepare_access_reg = exaPrepareAccessReg_mixed; | |||
991 | } | |||
992 | else { | |||
993 | wrap(pExaScr, pScreen, CreatePixmap, exaCreatePixmap_driver){ pExaScr->SavedCreatePixmap = pScreen->CreatePixmap; pScreen ->CreatePixmap = exaCreatePixmap_driver; }; | |||
994 | wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_driver){ pExaScr->SavedDestroyPixmap = pScreen->DestroyPixmap; pScreen->DestroyPixmap = exaDestroyPixmap_driver; }; | |||
995 | wrap(pExaScr, pScreen, ModifyPixmapHeader,{ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_driver ; } | |||
996 | exaModifyPixmapHeader_driver){ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_driver ; }; | |||
997 | pExaScr->do_migration = NULL((void*)0); | |||
998 | pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_driver; | |||
999 | pExaScr->do_move_in_pixmap = NULL((void*)0); | |||
1000 | pExaScr->do_move_out_pixmap = NULL((void*)0); | |||
1001 | pExaScr->prepare_access_reg = NULL((void*)0); | |||
1002 | } | |||
1003 | } | |||
1004 | else { | |||
1005 | wrap(pExaScr, pScreen, CreatePixmap, exaCreatePixmap_classic){ pExaScr->SavedCreatePixmap = pScreen->CreatePixmap; pScreen ->CreatePixmap = exaCreatePixmap_classic; }; | |||
1006 | wrap(pExaScr, pScreen, DestroyPixmap, exaDestroyPixmap_classic){ pExaScr->SavedDestroyPixmap = pScreen->DestroyPixmap; pScreen->DestroyPixmap = exaDestroyPixmap_classic; }; | |||
1007 | wrap(pExaScr, pScreen, ModifyPixmapHeader,{ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_classic ; } | |||
1008 | exaModifyPixmapHeader_classic){ pExaScr->SavedModifyPixmapHeader = pScreen->ModifyPixmapHeader ; pScreen->ModifyPixmapHeader = exaModifyPixmapHeader_classic ; }; | |||
1009 | pExaScr->do_migration = exaDoMigration_classic; | |||
1010 | pExaScr->pixmap_has_gpu_copy = exaPixmapHasGpuCopy_classic; | |||
1011 | pExaScr->do_move_in_pixmap = exaMoveInPixmap_classic; | |||
1012 | pExaScr->do_move_out_pixmap = exaMoveOutPixmap_classic; | |||
1013 | pExaScr->prepare_access_reg = exaPrepareAccessReg_classic; | |||
1014 | } | |||
1015 | if (!(pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3))) { | |||
1016 | LogMessage(X_INFO, "EXA(%d): Offscreen pixmap area of %lu bytes\n", | |||
1017 | pScreen->myNum, | |||
1018 | pExaScr->info->memorySize - | |||
1019 | pExaScr->info->offScreenBase); | |||
1020 | } | |||
1021 | else { | |||
1022 | LogMessage(X_INFO, "EXA(%d): Driver allocated offscreen pixmaps\n", | |||
1023 | pScreen->myNum); | |||
1024 | ||||
1025 | } | |||
1026 | } | |||
1027 | else | |||
1028 | LogMessage(X_INFO, "EXA(%d): No offscreen pixmaps\n", pScreen->myNum); | |||
1029 | ||||
1030 | if (!(pExaScr->info->flags & EXA_HANDLES_PIXMAPS(1 << 3))) { | |||
1031 | DBG_PIXMAP(("============== %ld < %ld\n", pExaScr->info->offScreenBase, | |||
1032 | pExaScr->info->memorySize)); | |||
1033 | if (pExaScr->info->offScreenBase < pExaScr->info->memorySize) { | |||
1034 | if (!exaOffscreenInit(pScreen)) { | |||
1035 | LogMessage(X_WARNING, | |||
1036 | "EXA(%d): Offscreen pixmap setup failed\n", | |||
1037 | pScreen->myNum); | |||
1038 | return FALSE0; | |||
1039 | } | |||
1040 | } | |||
1041 | } | |||
1042 | ||||
1043 | if (ps->Glyphs == exaGlyphs) | |||
| ||||
1044 | exaGlyphsInit(pScreen); | |||
1045 | ||||
1046 | LogMessage(X_INFO, "EXA(%d): Driver registered support for the following" | |||
1047 | " operations:\n", pScreen->myNum); | |||
1048 | assert(pScreenInfo->PrepareSolid != NULL)(__builtin_expect(!(pScreenInfo->PrepareSolid != ((void*)0 )), 0) ? __assert_rtn(__func__, "exa.c", 1048, "pScreenInfo->PrepareSolid != NULL" ) : (void)0); | |||
1049 | LogMessage(X_INFO, " Solid\n"); | |||
1050 | assert(pScreenInfo->PrepareCopy != NULL)(__builtin_expect(!(pScreenInfo->PrepareCopy != ((void*)0) ), 0) ? __assert_rtn(__func__, "exa.c", 1050, "pScreenInfo->PrepareCopy != NULL" ) : (void)0); | |||
1051 | LogMessage(X_INFO, " Copy\n"); | |||
1052 | if (pScreenInfo->PrepareComposite != NULL((void*)0)) { | |||
1053 | LogMessage(X_INFO, " Composite (RENDER acceleration)\n"); | |||
1054 | } | |||
1055 | if (pScreenInfo->UploadToScreen != NULL((void*)0)) { | |||
1056 | LogMessage(X_INFO, " UploadToScreen\n"); | |||
1057 | } | |||
1058 | if (pScreenInfo->DownloadFromScreen != NULL((void*)0)) { | |||
1059 | LogMessage(X_INFO, " DownloadFromScreen\n"); | |||
1060 | } | |||
1061 | ||||
1062 | return TRUE1; | |||
1063 | } | |||
1064 | ||||
1065 | /** | |||
1066 | * exaDriverFini tears down EXA on a given screen. | |||
1067 | * | |||
1068 | * @param pScreen screen being torn down. | |||
1069 | */ | |||
1070 | void | |||
1071 | exaDriverFini(ScreenPtr pScreen) | |||
1072 | { | |||
1073 | /*right now does nothing */ | |||
1074 | } | |||
1075 | ||||
1076 | /** | |||
1077 | * exaMarkSync() should be called after any asynchronous drawing by the hardware. | |||
1078 | * | |||
1079 | * @param pScreen screen which drawing occurred on | |||
1080 | * | |||
1081 | * exaMarkSync() sets a flag to indicate that some asynchronous drawing has | |||
1082 | * happened and a WaitSync() will be necessary before relying on the contents of | |||
1083 | * offscreen memory from the CPU's perspective. It also calls an optional | |||
1084 | * driver MarkSync() callback, the return value of which may be used to do partial | |||
1085 | * synchronization with the hardware in the future. | |||
1086 | */ | |||
1087 | void | |||
1088 | exaMarkSync(ScreenPtr pScreen) | |||
1089 | { | |||
1090 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
1091 | ||||
1092 | pExaScr->info->needsSync = TRUE1; | |||
1093 | if (pExaScr->info->MarkSync != NULL((void*)0)) { | |||
1094 | pExaScr->info->lastMarker = (*pExaScr->info->MarkSync) (pScreen); | |||
1095 | } | |||
1096 | } | |||
1097 | ||||
1098 | /** | |||
1099 | * exaWaitSync() ensures that all drawing has been completed. | |||
1100 | * | |||
1101 | * @param pScreen screen being synchronized. | |||
1102 | * | |||
1103 | * Calls down into the driver to ensure that all previous drawing has completed. | |||
1104 | * It should always be called before relying on the framebuffer contents | |||
1105 | * reflecting previous drawing, from a CPU perspective. | |||
1106 | */ | |||
1107 | void | |||
1108 | exaWaitSync(ScreenPtr pScreen) | |||
1109 | { | |||
1110 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
1111 | ||||
1112 | if (pExaScr->info->needsSync && !pExaScr->swappedOut) { | |||
1113 | (*pExaScr->info->WaitMarker) (pScreen, pExaScr->info->lastMarker); | |||
1114 | pExaScr->info->needsSync = FALSE0; | |||
1115 | } | |||
1116 | } | |||
1117 | ||||
1118 | /** | |||
1119 | * Performs migration of the pixmaps according to the operation information | |||
1120 | * provided in pixmaps and can_accel and the migration scheme chosen in the | |||
1121 | * config file. | |||
1122 | */ | |||
1123 | void | |||
1124 | exaDoMigration(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel) | |||
1125 | { | |||
1126 | ScreenPtr pScreen = pixmaps[0].pPix->drawable.pScreen; | |||
1127 | ||||
1128 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
1129 | ||||
1130 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
1131 | return; | |||
1132 | ||||
1133 | if (pExaScr->do_migration) | |||
1134 | (*pExaScr->do_migration) (pixmaps, npixmaps, can_accel); | |||
1135 | } | |||
1136 | ||||
1137 | void | |||
1138 | exaMoveInPixmap(PixmapPtr pPixmap) | |||
1139 | { | |||
1140 | ScreenPtr pScreen = pPixmap->drawable.pScreen; | |||
1141 | ||||
1142 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
1143 | ||||
1144 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
1145 | return; | |||
1146 | ||||
1147 | if (pExaScr->do_move_in_pixmap) | |||
1148 | (*pExaScr->do_move_in_pixmap) (pPixmap); | |||
1149 | } | |||
1150 | ||||
1151 | void | |||
1152 | exaMoveOutPixmap(PixmapPtr pPixmap) | |||
1153 | { | |||
1154 | ScreenPtr pScreen = pPixmap->drawable.pScreen; | |||
1155 | ||||
1156 | ExaScreenPriv(pScreen)ExaScreenPrivPtr pExaScr = ((ExaScreenPrivPtr)dixGetPrivate(& (pScreen)->devPrivates, (&exaScreenPrivateKeyRec))); | |||
1157 | ||||
1158 | if (!(pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS(1 << 0))) | |||
1159 | return; | |||
1160 | ||||
1161 | if (pExaScr->do_move_out_pixmap) | |||
1162 | (*pExaScr->do_move_out_pixmap) (pPixmap); | |||
1163 | } |