| 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 | } |