| 1 | /************************************************************************** |
| 2 | |
| 3 | Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
| 4 | Copyright 2000 VA Linux Systems, Inc. |
| 5 | All Rights Reserved. |
| 6 | |
| 7 | Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | copy of this software and associated documentation files (the |
| 9 | "Software"), to deal in the Software without restriction, including |
| 10 | without limitation the rights to use, copy, modify, merge, publish, |
| 11 | distribute, sub license, and/or sell copies of the Software, and to |
| 12 | permit persons to whom the Software is furnished to do so, subject to |
| 13 | the following conditions: |
| 14 | |
| 15 | The above copyright notice and this permission notice (including the |
| 16 | next paragraph) shall be included in all copies or substantial portions |
| 17 | of the Software. |
| 18 | |
| 19 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 20 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 22 | IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 23 | ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 24 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 25 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | |
| 27 | **************************************************************************/ |
| 28 | |
| 29 | /* |
| 30 | * Authors: |
| 31 | * Jens Owen <jens@tungstengraphics.com> |
| 32 | * Rickard E. (Rik) Faith <faith@valinux.com> |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | #ifdef HAVE_XORG_CONFIG_H |
| 37 | #include <xorg-config.h> |
| 38 | #endif |
| 39 | |
| 40 | #include "xf86.h" |
| 41 | #include <sys/time.h> |
| 42 | #include <unistd.h> |
| 43 | #include <string.h> |
| 44 | #include <stdio.h> |
| 45 | #include <sys/ioctl.h> |
| 46 | #include <errno.h> |
| 47 | |
| 48 | #include <X11/X.h> |
| 49 | #include <X11/Xproto.h> |
| 50 | #include "xf86drm.h" |
| 51 | #include "misc.h" |
| 52 | #include "dixstruct.h" |
| 53 | #include "extnsionst.h" |
| 54 | #include "extinit.h" |
| 55 | #include "colormapst.h" |
| 56 | #include "cursorstr.h" |
| 57 | #include "scrnintstr.h" |
| 58 | #include "windowstr.h" |
| 59 | #include "servermd.h" |
| 60 | #define _XF86DRI_SERVER_ |
| 61 | #include <X11/dri/xf86driproto.h> |
| 62 | #include "swaprep.h" |
| 63 | #include "xf86str.h" |
| 64 | #include "dri.h" |
| 65 | #include "sarea.h" |
| 66 | #include "dristruct.h" |
| 67 | #include "mi.h" |
| 68 | #include "mipointer.h" |
| 69 | #include "xf86_OSproc.h" |
| 70 | #include "inputstr.h" |
| 71 | #include "xf86VGAarbiter.h" |
| 72 | #include "xf86Extensions.h" |
| 73 | |
| 74 | static int DRIEntPrivIndex = -1; |
| 75 | static DevPrivateKeyRec DRIScreenPrivKeyRec; |
| 76 | |
| 77 | #define DRIScreenPrivKey (&DRIScreenPrivKeyRec) |
| 78 | static DevPrivateKeyRec DRIWindowPrivKeyRec; |
| 79 | |
| 80 | #define DRIWindowPrivKey (&DRIWindowPrivKeyRec) |
| 81 | static unsigned long DRIGeneration = 0; |
| 82 | static unsigned int DRIDrawableValidationStamp = 0; |
| 83 | |
| 84 | static RESTYPE DRIDrawablePrivResType; |
| 85 | static RESTYPE DRIContextPrivResType; |
| 86 | static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv); |
| 87 | |
| 88 | drmServerInfo DRIDRMServerInfo; |
| 89 | |
| 90 | /* Wrapper just like xf86DrvMsg, but |
| 91 | without the verbosity level checking. |
| 92 | This will make it easy to turn off some |
| 93 | messages later, based on verbosity |
| 94 | level. */ |
| 95 | |
| 96 | /* |
| 97 | * Since we're already referencing things from the XFree86 common layer in |
| 98 | * this file, we'd might as well just call xf86VDrvMsgVerb, and have |
| 99 | * consistent message formatting. The verbosity of these messages can be |
| 100 | * easily changed here. |
| 101 | */ |
| 102 | #define DRI_MSG_VERBOSITY 1 |
| 103 | static void |
| 104 | DRIDrvMsg(int scrnIndex, MessageType type, const char *format, ...) |
| 105 | { |
| 106 | va_list ap; |
| 107 | |
| 108 | va_start(ap, format); |
| 109 | xf86VDrvMsgVerb(scrnIndex, type, DRI_MSG_VERBOSITY, format, ap); |
| 110 | va_end(ap); |
| 111 | } |
| 112 | |
| 113 | static void |
| 114 | DRIOpenDRMCleanup(DRIEntPrivPtr pDRIEntPriv) |
| 115 | { |
| 116 | if (pDRIEntPriv->pLSAREA != NULL) { |
| 117 | drmUnmap(pDRIEntPriv->pLSAREA, pDRIEntPriv->sAreaSize); |
| 118 | pDRIEntPriv->pLSAREA = NULL; |
| 119 | } |
| 120 | if (pDRIEntPriv->hLSAREA != 0) { |
| 121 | drmRmMap(pDRIEntPriv->drmFD, pDRIEntPriv->hLSAREA); |
| 122 | } |
| 123 | if (pDRIEntPriv->drmFD >= 0) { |
| 124 | drmClose(pDRIEntPriv->drmFD); |
| 125 | pDRIEntPriv->drmFD = 0; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | int |
| 130 | DRIMasterFD(ScrnInfoPtr pScrn) |
| 131 | { |
| 132 | return DRI_ENT_PRIV(pScrn)->drmFD; |
| 133 | } |
| 134 | |
| 135 | void * |
| 136 | DRIMasterSareaPointer(ScrnInfoPtr pScrn) |
| 137 | { |
| 138 | return DRI_ENT_PRIV(pScrn)->pLSAREA; |
| 139 | } |
| 140 | |
| 141 | drm_handle_t |
| 142 | DRIMasterSareaHandle(ScrnInfoPtr pScrn) |
| 143 | { |
| 144 | return DRI_ENT_PRIV(pScrn)->hLSAREA; |
| 145 | } |
| 146 | |
| 147 | Bool |
| 148 | DRIOpenDRMMaster(ScrnInfoPtr pScrn, |
| 149 | unsigned long sAreaSize, |
| 150 | const char *busID, const char *drmDriverName) |
| 151 | { |
| 152 | drmSetVersion saveSv, sv; |
| 153 | Bool drmWasAvailable; |
| 154 | DRIEntPrivPtr pDRIEntPriv; |
| 155 | DRIEntPrivRec tmp; |
| 156 | drmVersionPtr drmlibv; |
| 157 | int drmlibmajor, drmlibminor; |
| 158 | const char *openBusID; |
| 159 | int count; |
| 160 | int err; |
| 161 | |
| 162 | if (DRIEntPrivIndex == -1) |
| 163 | DRIEntPrivIndex = xf86AllocateEntityPrivateIndex(); |
| 164 | |
| 165 | pDRIEntPriv = DRI_ENT_PRIV(pScrn); |
| 166 | |
| 167 | if (pDRIEntPriv && pDRIEntPriv->drmFD != -1) |
| 168 | return TRUE; |
| 169 | |
| 170 | drmWasAvailable = drmAvailable(); |
| 171 | |
| 172 | memset(&tmp, 0, sizeof(tmp)); |
| 173 | |
| 174 | /* Check the DRM lib version. |
| 175 | * drmGetLibVersion was not supported in version 1.0, so check for |
| 176 | * symbol first to avoid possible crash or hang. |
| 177 | */ |
| 178 | |
| 179 | drmlibmajor = 1; |
| 180 | drmlibminor = 0; |
| 181 | if (xf86LoaderCheckSymbol("drmGetLibVersion")) { |
| 182 | drmlibv = drmGetLibVersion(-1); |
| 183 | if (drmlibv != NULL) { |
| 184 | drmlibmajor = drmlibv->version_major; |
| 185 | drmlibminor = drmlibv->version_minor; |
| 186 | drmFreeVersion(drmlibv); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /* Check if the libdrm can handle falling back to loading based on name |
| 191 | * if a busid string is passed. |
| 192 | */ |
| 193 | openBusID = (drmlibmajor == 1 && drmlibminor >= 2) ? busID : NULL; |
| 194 | |
| 195 | tmp.drmFD = -1; |
| 196 | sv.drm_di_major = 1; |
| 197 | sv.drm_di_minor = 1; |
| 198 | sv.drm_dd_major = -1; |
| 199 | |
| 200 | saveSv = sv; |
| 201 | count = 10; |
| 202 | while (count--) { |
| 203 | tmp.drmFD = drmOpen(drmDriverName, openBusID); |
| 204 | |
| 205 | if (tmp.drmFD < 0) { |
| 206 | DRIDrvMsg(-1, X_ERROR, "[drm] drmOpen failed.\n"); |
| 207 | goto out_err; |
| 208 | } |
| 209 | |
| 210 | err = drmSetInterfaceVersion(tmp.drmFD, &sv); |
| 211 | |
| 212 | if (err != -EPERM) |
| 213 | break; |
| 214 | |
| 215 | sv = saveSv; |
| 216 | drmClose(tmp.drmFD); |
| 217 | tmp.drmFD = -1; |
| 218 | usleep(100000); |
| 219 | } |
| 220 | |
| 221 | if (tmp.drmFD <= 0) { |
| 222 | DRIDrvMsg(-1, X_ERROR, "[drm] DRM was busy with another master.\n"); |
| 223 | goto out_err; |
| 224 | } |
| 225 | |
| 226 | if (!drmWasAvailable) { |
| 227 | DRIDrvMsg(-1, X_INFO, |
| 228 | "[drm] loaded kernel module for \"%s\" driver.\n", |
| 229 | drmDriverName); |
| 230 | } |
| 231 | |
| 232 | if (err != 0) { |
| 233 | sv.drm_di_major = 1; |
| 234 | sv.drm_di_minor = 0; |
| 235 | } |
| 236 | |
| 237 | DRIDrvMsg(-1, X_INFO, "[drm] DRM interface version %d.%d\n", |
| 238 | sv.drm_di_major, sv.drm_di_minor); |
| 239 | |
| 240 | if (sv.drm_di_major == 1 && sv.drm_di_minor >= 1) |
| 241 | err = 0; |
| 242 | else |
| 243 | err = drmSetBusid(tmp.drmFD, busID); |
| 244 | |
| 245 | if (err) { |
| 246 | DRIDrvMsg(-1, X_ERROR, "[drm] Could not set DRM device bus ID.\n"); |
| 247 | goto out_err; |
| 248 | } |
| 249 | |
| 250 | /* |
| 251 | * Create a lock-containing sarea. |
| 252 | */ |
| 253 | |
| 254 | if (drmAddMap(tmp.drmFD, 0, sAreaSize, DRM_SHM, |
| 255 | DRM_CONTAINS_LOCK, &tmp.hLSAREA) < 0) { |
| 256 | DRIDrvMsg(-1, X_INFO, "[drm] Could not create SAREA for DRM lock.\n"); |
| 257 | tmp.hLSAREA = 0; |
| 258 | goto out_err; |
| 259 | } |
| 260 | |
| 261 | if (drmMap(tmp.drmFD, tmp.hLSAREA, sAreaSize, |
| 262 | (drmAddressPtr) (&tmp.pLSAREA)) < 0) { |
| 263 | DRIDrvMsg(-1, X_INFO, "[drm] Mapping SAREA for DRM lock failed.\n"); |
| 264 | tmp.pLSAREA = NULL; |
| 265 | goto out_err; |
| 266 | } |
| 267 | |
| 268 | memset(tmp.pLSAREA, 0, sAreaSize); |
| 269 | |
| 270 | /* |
| 271 | * Reserved contexts are handled by the first opened screen. |
| 272 | */ |
| 273 | |
| 274 | tmp.resOwner = NULL; |
| 275 | |
| 276 | if (!pDRIEntPriv) |
| 277 | pDRIEntPriv = xnfcalloc(sizeof(*pDRIEntPriv), 1); |
| 278 | |
| 279 | if (!pDRIEntPriv) { |
| 280 | DRIDrvMsg(-1, X_INFO, "[drm] Failed to allocate memory for " |
| 281 | "DRM device.\n"); |
| 282 | goto out_err; |
| 283 | } |
| 284 | *pDRIEntPriv = tmp; |
| 285 | xf86GetEntityPrivate((pScrn)->entityList[0], DRIEntPrivIndex)->ptr = |
| 286 | pDRIEntPriv; |
| 287 | |
| 288 | DRIDrvMsg(-1, X_INFO, "[drm] DRM open master succeeded.\n"); |
| 289 | return TRUE; |
| 290 | |
| 291 | out_err: |
| 292 | |
| 293 | DRIOpenDRMCleanup(&tmp); |
| 294 | return FALSE; |
| 295 | } |
| 296 | |
| 297 | static void |
| 298 | DRIClipNotifyAllDrawables(ScreenPtr pScreen); |
| 299 | |
| 300 | static void |
| 301 | dri_crtc_notify(ScreenPtr pScreen) |
| 302 | { |
| 303 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 304 | |
| 305 | DRIClipNotifyAllDrawables(pScreen); |
| 306 | xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify); |
| 307 | xf86_crtc_notify(pScreen); |
| 308 | pDRIPriv->xf86_crtc_notify = |
| 309 | xf86_wrap_crtc_notify(pScreen, dri_crtc_notify); |
| 310 | } |
| 311 | |
| 312 | Bool |
| 313 | DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD) |
| 314 | { |
| 315 | DRIScreenPrivPtr pDRIPriv; |
| 316 | drm_context_t *reserved; |
| 317 | int reserved_count; |
| 318 | int i; |
| 319 | DRIEntPrivPtr pDRIEntPriv; |
| 320 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 321 | DRIContextFlags flags = 0; |
| 322 | DRIContextPrivPtr pDRIContextPriv; |
| 323 | static Bool drm_server_inited; |
| 324 | |
| 325 | /* If the DRI extension is disabled, do not initialize the DRI */ |
| 326 | if (noXFree86DRIExtension) { |
| 327 | DRIDrvMsg(pScreen->myNum, X_WARNING, |
| 328 | "Direct rendering has been disabled.\n"); |
| 329 | return FALSE; |
| 330 | } |
| 331 | |
| 332 | if (!xf86VGAarbiterAllowDRI(pScreen)) { |
| 333 | DRIDrvMsg(pScreen->myNum, X_WARNING, |
| 334 | "Direct rendering is not supported when VGA arb is necessary for the device\n"); |
| 335 | return FALSE; |
| 336 | } |
| 337 | |
| 338 | #ifdef PANORAMIX |
| 339 | /* |
| 340 | * If Xinerama is on, don't allow DRI to initialise. It won't be usable |
| 341 | * anyway. |
| 342 | */ |
| 343 | if (!noPanoramiXExtension) { |
| 344 | DRIDrvMsg(pScreen->myNum, X_WARNING, |
| 345 | "Direct rendering is not supported when Xinerama is enabled\n"); |
| 346 | return FALSE; |
| 347 | } |
| 348 | #endif |
| 349 | if (drm_server_inited == FALSE) { |
| 350 | drmSetServerInfo(&DRIDRMServerInfo); |
| 351 | drm_server_inited = TRUE; |
| 352 | } |
| 353 | |
| 354 | if (!DRIOpenDRMMaster(pScrn, pDRIInfo->SAREASize, |
| 355 | pDRIInfo->busIdString, pDRIInfo->drmDriverName)) |
| 356 | return FALSE; |
| 357 | |
| 358 | pDRIEntPriv = DRI_ENT_PRIV(pScrn); |
| 359 | |
| 360 | if (DRIGeneration != serverGeneration) |
| 361 | DRIGeneration = serverGeneration; |
| 362 | |
| 363 | if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0)) |
| 364 | return FALSE; |
| 365 | if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0)) |
| 366 | return FALSE; |
| 367 | |
| 368 | pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec)); |
| 369 | if (!pDRIPriv) { |
| 370 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); |
| 371 | return FALSE; |
| 372 | } |
| 373 | |
| 374 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv); |
| 375 | pDRIPriv->drmFD = pDRIEntPriv->drmFD; |
| 376 | pDRIPriv->directRenderingSupport = TRUE; |
| 377 | pDRIPriv->pDriverInfo = pDRIInfo; |
| 378 | pDRIPriv->nrWindows = 0; |
| 379 | pDRIPriv->nrWindowsVisible = 0; |
| 380 | pDRIPriv->fullscreen = NULL; |
| 381 | |
| 382 | pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx; |
| 383 | pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv; |
| 384 | |
| 385 | pDRIPriv->grabbedDRILock = FALSE; |
| 386 | pDRIPriv->drmSIGIOHandlerInstalled = FALSE; |
| 387 | *pDRMFD = pDRIPriv->drmFD; |
| 388 | |
| 389 | if (pDRIEntPriv->sAreaGrabbed || pDRIInfo->allocSarea) { |
| 390 | |
| 391 | if (drmAddMap(pDRIPriv->drmFD, |
| 392 | 0, |
| 393 | pDRIPriv->pDriverInfo->SAREASize, |
| 394 | DRM_SHM, 0, &pDRIPriv->hSAREA) < 0) { |
| 395 | pDRIPriv->directRenderingSupport = FALSE; |
| 396 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); |
| 397 | drmClose(pDRIPriv->drmFD); |
| 398 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] drmAddMap failed\n"); |
| 399 | return FALSE; |
| 400 | } |
| 401 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 402 | "[drm] added %d byte SAREA at %p\n", |
| 403 | pDRIPriv->pDriverInfo->SAREASize, pDRIPriv->hSAREA); |
| 404 | |
| 405 | /* Backwards compat. */ |
| 406 | if (drmMap(pDRIPriv->drmFD, |
| 407 | pDRIPriv->hSAREA, |
| 408 | pDRIPriv->pDriverInfo->SAREASize, |
| 409 | (drmAddressPtr) (&pDRIPriv->pSAREA)) < 0) { |
| 410 | pDRIPriv->directRenderingSupport = FALSE; |
| 411 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); |
| 412 | drmClose(pDRIPriv->drmFD); |
| 413 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] drmMap failed\n"); |
| 414 | return FALSE; |
| 415 | } |
| 416 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n", |
| 417 | pDRIPriv->hSAREA, pDRIPriv->pSAREA); |
| 418 | memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize); |
| 419 | } |
| 420 | else { |
| 421 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Using the DRM lock " |
| 422 | "SAREA also for drawables.\n"); |
| 423 | pDRIPriv->hSAREA = pDRIEntPriv->hLSAREA; |
| 424 | pDRIPriv->pSAREA = (XF86DRISAREAPtr) pDRIEntPriv->pLSAREA; |
| 425 | pDRIEntPriv->sAreaGrabbed = TRUE; |
| 426 | } |
| 427 | |
| 428 | pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA; |
| 429 | pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA; |
| 430 | |
| 431 | if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer) { |
| 432 | if (drmAddMap(pDRIPriv->drmFD, |
| 433 | (uintptr_t) pDRIPriv->pDriverInfo-> |
| 434 | frameBufferPhysicalAddress, |
| 435 | pDRIPriv->pDriverInfo->frameBufferSize, DRM_FRAME_BUFFER, |
| 436 | 0, &pDRIPriv->pDriverInfo->hFrameBuffer) < 0) { |
| 437 | pDRIPriv->directRenderingSupport = FALSE; |
| 438 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); |
| 439 | drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize); |
| 440 | drmClose(pDRIPriv->drmFD); |
| 441 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] drmAddMap failed\n"); |
| 442 | return FALSE; |
| 443 | } |
| 444 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n", |
| 445 | pDRIPriv->pDriverInfo->hFrameBuffer); |
| 446 | } |
| 447 | else { |
| 448 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 449 | "[drm] framebuffer mapped by ddx driver\n"); |
| 450 | } |
| 451 | |
| 452 | if (pDRIEntPriv->resOwner == NULL) { |
| 453 | pDRIEntPriv->resOwner = pScreen; |
| 454 | |
| 455 | /* Add tags for reserved contexts */ |
| 456 | if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD, |
| 457 | &reserved_count))) { |
| 458 | int i; |
| 459 | void *tag; |
| 460 | |
| 461 | for (i = 0; i < reserved_count; i++) { |
| 462 | tag = DRICreateContextPrivFromHandle(pScreen, |
| 463 | reserved[i], |
| 464 | DRI_CONTEXT_RESERVED); |
| 465 | drmAddContextTag(pDRIPriv->drmFD, reserved[i], tag); |
| 466 | } |
| 467 | drmFreeReservedContextList(reserved); |
| 468 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 469 | "[drm] added %d reserved context%s for kernel\n", |
| 470 | reserved_count, reserved_count > 1 ? "s" : ""); |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | /* validate max drawable table entry set by driver */ |
| 475 | if ((pDRIPriv->pDriverInfo->maxDrawableTableEntry <= 0) || |
| 476 | (pDRIPriv->pDriverInfo->maxDrawableTableEntry > SAREA_MAX_DRAWABLES)) { |
| 477 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 478 | "Invalid max drawable table size set by driver: %d\n", |
| 479 | pDRIPriv->pDriverInfo->maxDrawableTableEntry); |
| 480 | } |
| 481 | |
| 482 | /* Initialize drawable tables (screen private and SAREA) */ |
| 483 | for (i = 0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) { |
| 484 | pDRIPriv->DRIDrawables[i] = NULL; |
| 485 | pDRIPriv->pSAREA->drawableTable[i].stamp = 0; |
| 486 | pDRIPriv->pSAREA->drawableTable[i].flags = 0; |
| 487 | } |
| 488 | |
| 489 | pDRIPriv->pLockRefCount = &pDRIEntPriv->lockRefCount; |
| 490 | pDRIPriv->pLockingContext = &pDRIEntPriv->lockingContext; |
| 491 | |
| 492 | if (!pDRIEntPriv->keepFDOpen) |
| 493 | pDRIEntPriv->keepFDOpen = pDRIInfo->keepFDOpen; |
| 494 | |
| 495 | pDRIEntPriv->refCount++; |
| 496 | |
| 497 | /* Set up flags for DRICreateContextPriv */ |
| 498 | switch (pDRIInfo->driverSwapMethod) { |
| 499 | case DRI_KERNEL_SWAP: |
| 500 | flags = DRI_CONTEXT_2DONLY; |
| 501 | break; |
| 502 | case DRI_HIDE_X_CONTEXT: |
| 503 | flags = DRI_CONTEXT_PRESERVED; |
| 504 | break; |
| 505 | } |
| 506 | |
| 507 | if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, |
| 508 | &pDRIPriv->myContext, |
| 509 | flags))) { |
| 510 | DRIDrvMsg(pScreen->myNum, X_ERROR, "failed to create server context\n"); |
| 511 | return FALSE; |
| 512 | } |
| 513 | pDRIPriv->myContextPriv = pDRIContextPriv; |
| 514 | |
| 515 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 516 | "X context handle = %p\n", pDRIPriv->myContext); |
| 517 | |
| 518 | /* Now that we have created the X server's context, we can grab the |
| 519 | * hardware lock for the X server. |
| 520 | */ |
| 521 | DRILock(pScreen, 0); |
| 522 | pDRIPriv->grabbedDRILock = TRUE; |
| 523 | |
| 524 | /* pointers so that we can prevent memory leaks later */ |
| 525 | pDRIPriv->hiddenContextStore = NULL; |
| 526 | pDRIPriv->partial3DContextStore = NULL; |
| 527 | |
| 528 | switch (pDRIInfo->driverSwapMethod) { |
| 529 | case DRI_HIDE_X_CONTEXT: |
| 530 | /* Server will handle 3D swaps, and hide 2D swaps from kernel. |
| 531 | * Register server context as a preserved context. |
| 532 | */ |
| 533 | |
| 534 | /* allocate memory for hidden context store */ |
| 535 | pDRIPriv->hiddenContextStore |
| 536 | = (void *) calloc(1, pDRIInfo->contextSize); |
| 537 | if (!pDRIPriv->hiddenContextStore) { |
| 538 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 539 | "failed to allocate hidden context\n"); |
| 540 | DRIDestroyContextPriv(pDRIContextPriv); |
| 541 | return FALSE; |
| 542 | } |
| 543 | |
| 544 | /* allocate memory for partial 3D context store */ |
| 545 | pDRIPriv->partial3DContextStore |
| 546 | = (void *) calloc(1, pDRIInfo->contextSize); |
| 547 | if (!pDRIPriv->partial3DContextStore) { |
| 548 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 549 | "[DRI] failed to allocate partial 3D context\n"); |
| 550 | free(pDRIPriv->hiddenContextStore); |
| 551 | DRIDestroyContextPriv(pDRIContextPriv); |
| 552 | return FALSE; |
| 553 | } |
| 554 | |
| 555 | /* save initial context store */ |
| 556 | if (pDRIInfo->SwapContext) { |
| 557 | (*pDRIInfo->SwapContext) (pScreen, |
| 558 | DRI_NO_SYNC, |
| 559 | DRI_2D_CONTEXT, |
| 560 | pDRIPriv->hiddenContextStore, |
| 561 | DRI_NO_CONTEXT, NULL); |
| 562 | } |
| 563 | /* fall through */ |
| 564 | |
| 565 | case DRI_SERVER_SWAP: |
| 566 | /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT |
| 567 | * setup signal handler for receiving swap requests from kernel |
| 568 | */ |
| 569 | if (!(pDRIPriv->drmSIGIOHandlerInstalled = |
| 570 | drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) { |
| 571 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 572 | "[drm] failed to setup DRM signal handler\n"); |
| 573 | free(pDRIPriv->hiddenContextStore); |
| 574 | free(pDRIPriv->partial3DContextStore); |
| 575 | DRIDestroyContextPriv(pDRIContextPriv); |
| 576 | return FALSE; |
| 577 | } |
| 578 | else { |
| 579 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 580 | "[drm] installed DRM signal handler\n"); |
| 581 | } |
| 582 | |
| 583 | default: |
| 584 | break; |
| 585 | } |
| 586 | |
| 587 | return TRUE; |
| 588 | } |
| 589 | |
| 590 | Bool |
| 591 | DRIFinishScreenInit(ScreenPtr pScreen) |
| 592 | { |
| 593 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 594 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 595 | |
| 596 | /* Wrap DRI support */ |
| 597 | if (pDRIInfo->wrap.ValidateTree) { |
| 598 | pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree; |
| 599 | pScreen->ValidateTree = pDRIInfo->wrap.ValidateTree; |
| 600 | } |
| 601 | if (pDRIInfo->wrap.PostValidateTree) { |
| 602 | pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree; |
| 603 | pScreen->PostValidateTree = pDRIInfo->wrap.PostValidateTree; |
| 604 | } |
| 605 | if (pDRIInfo->wrap.WindowExposures) { |
| 606 | pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures; |
| 607 | pScreen->WindowExposures = pDRIInfo->wrap.WindowExposures; |
| 608 | } |
| 609 | |
| 610 | pDRIPriv->DestroyWindow = pScreen->DestroyWindow; |
| 611 | pScreen->DestroyWindow = DRIDestroyWindow; |
| 612 | |
| 613 | pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, |
| 614 | dri_crtc_notify); |
| 615 | |
| 616 | if (pDRIInfo->wrap.CopyWindow) { |
| 617 | pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow; |
| 618 | pScreen->CopyWindow = pDRIInfo->wrap.CopyWindow; |
| 619 | } |
| 620 | if (pDRIInfo->wrap.ClipNotify) { |
| 621 | pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify; |
| 622 | pScreen->ClipNotify = pDRIInfo->wrap.ClipNotify; |
| 623 | } |
| 624 | if (pDRIInfo->wrap.AdjustFrame) { |
| 625 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 626 | |
| 627 | pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame; |
| 628 | pScrn->AdjustFrame = pDRIInfo->wrap.AdjustFrame; |
| 629 | } |
| 630 | pDRIPriv->wrapped = TRUE; |
| 631 | |
| 632 | DRIDrvMsg(pScreen->myNum, X_INFO, "[DRI] installation complete\n"); |
| 633 | |
| 634 | return TRUE; |
| 635 | } |
| 636 | |
| 637 | void |
| 638 | DRICloseScreen(ScreenPtr pScreen) |
| 639 | { |
| 640 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 641 | DRIInfoPtr pDRIInfo; |
| 642 | drm_context_t *reserved; |
| 643 | int reserved_count; |
| 644 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 645 | DRIEntPrivPtr pDRIEntPriv = DRI_ENT_PRIV(pScrn); |
| 646 | Bool closeMaster; |
| 647 | |
| 648 | if (pDRIPriv) { |
| 649 | |
| 650 | pDRIInfo = pDRIPriv->pDriverInfo; |
| 651 | |
| 652 | if (pDRIPriv->wrapped) { |
| 653 | /* Unwrap DRI Functions */ |
| 654 | if (pDRIInfo->wrap.ValidateTree) { |
| 655 | pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree; |
| 656 | pDRIPriv->wrap.ValidateTree = NULL; |
| 657 | } |
| 658 | if (pDRIInfo->wrap.PostValidateTree) { |
| 659 | pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree; |
| 660 | pDRIPriv->wrap.PostValidateTree = NULL; |
| 661 | } |
| 662 | if (pDRIInfo->wrap.WindowExposures) { |
| 663 | pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures; |
| 664 | pDRIPriv->wrap.WindowExposures = NULL; |
| 665 | } |
| 666 | if (pDRIPriv->DestroyWindow) { |
| 667 | pScreen->DestroyWindow = pDRIPriv->DestroyWindow; |
| 668 | pDRIPriv->DestroyWindow = NULL; |
| 669 | } |
| 670 | |
| 671 | xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify); |
| 672 | |
| 673 | if (pDRIInfo->wrap.CopyWindow) { |
| 674 | pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow; |
| 675 | pDRIPriv->wrap.CopyWindow = NULL; |
| 676 | } |
| 677 | if (pDRIInfo->wrap.ClipNotify) { |
| 678 | pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify; |
| 679 | pDRIPriv->wrap.ClipNotify = NULL; |
| 680 | } |
| 681 | if (pDRIInfo->wrap.AdjustFrame) { |
| 682 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 683 | |
| 684 | pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame; |
| 685 | pDRIPriv->wrap.AdjustFrame = NULL; |
| 686 | } |
| 687 | |
| 688 | pDRIPriv->wrapped = FALSE; |
| 689 | } |
| 690 | |
| 691 | if (pDRIPriv->drmSIGIOHandlerInstalled) { |
| 692 | if (!drmRemoveSIGIOHandler(pDRIPriv->drmFD)) { |
| 693 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 694 | "[drm] failed to remove DRM signal handler\n"); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | if (pDRIPriv->dummyCtxPriv && pDRIPriv->createDummyCtx) { |
| 699 | DRIDestroyDummyContext(pScreen, pDRIPriv->createDummyCtxPriv); |
| 700 | } |
| 701 | |
| 702 | if (!DRIDestroyContextPriv(pDRIPriv->myContextPriv)) { |
| 703 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 704 | "failed to destroy server context\n"); |
| 705 | } |
| 706 | |
| 707 | /* Remove tags for reserved contexts */ |
| 708 | if (pDRIEntPriv->resOwner == pScreen) { |
| 709 | pDRIEntPriv->resOwner = NULL; |
| 710 | |
| 711 | if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD, |
| 712 | &reserved_count))) { |
| 713 | int i; |
| 714 | |
| 715 | for (i = 0; i < reserved_count; i++) { |
| 716 | DRIDestroyContextPriv(drmGetContextTag(pDRIPriv->drmFD, |
| 717 | reserved[i])); |
| 718 | } |
| 719 | drmFreeReservedContextList(reserved); |
| 720 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 721 | "[drm] removed %d reserved context%s for kernel\n", |
| 722 | reserved_count, reserved_count > 1 ? "s" : ""); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | /* Make sure signals get unblocked etc. */ |
| 727 | drmUnlock(pDRIPriv->drmFD, pDRIPriv->myContext); |
| 728 | pDRIPriv->pLockRefCount = NULL; |
| 729 | closeMaster = (--pDRIEntPriv->refCount == 0) && |
| 730 | !pDRIEntPriv->keepFDOpen; |
| 731 | if (closeMaster || pDRIPriv->hSAREA != pDRIEntPriv->hLSAREA) { |
| 732 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 733 | "[drm] unmapping %d bytes of SAREA %p at %p\n", |
| 734 | pDRIInfo->SAREASize, pDRIPriv->hSAREA, pDRIPriv->pSAREA); |
| 735 | if (drmUnmap(pDRIPriv->pSAREA, pDRIInfo->SAREASize)) { |
| 736 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 737 | "[drm] unable to unmap %d bytes" |
| 738 | " of SAREA %p at %p\n", |
| 739 | pDRIInfo->SAREASize, |
| 740 | pDRIPriv->hSAREA, pDRIPriv->pSAREA); |
| 741 | } |
| 742 | } |
| 743 | else { |
| 744 | pDRIEntPriv->sAreaGrabbed = FALSE; |
| 745 | } |
| 746 | |
| 747 | if (closeMaster || (pDRIEntPriv->drmFD != pDRIPriv->drmFD)) { |
| 748 | drmClose(pDRIPriv->drmFD); |
| 749 | if (pDRIEntPriv->drmFD == pDRIPriv->drmFD) { |
| 750 | DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Closed DRM master.\n"); |
| 751 | pDRIEntPriv->drmFD = -1; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | free(pDRIPriv); |
| 756 | dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL); |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | #define DRM_MSG_VERBOSITY 3 |
| 761 | |
| 762 | static int |
| 763 | dri_drm_debug_print(const char *format, va_list ap) |
| 764 | { |
| 765 | xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap); |
| 766 | return 0; |
| 767 | } |
| 768 | |
| 769 | static void |
| 770 | dri_drm_get_perms(gid_t * group, mode_t * mode) |
| 771 | { |
| 772 | *group = xf86ConfigDRI.group; |
| 773 | *mode = xf86ConfigDRI.mode; |
| 774 | } |
| 775 | |
| 776 | drmServerInfo DRIDRMServerInfo = { |
| 777 | dri_drm_debug_print, |
| 778 | xf86LoadKernelModule, |
| 779 | dri_drm_get_perms, |
| 780 | }; |
| 781 | |
| 782 | Bool |
| 783 | DRIExtensionInit(void) |
| 784 | { |
| 785 | if (DRIGeneration != serverGeneration) { |
| 786 | return FALSE; |
| 787 | } |
| 788 | |
| 789 | DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete, |
| 790 | "DRIDrawable"); |
| 791 | DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete, |
| 792 | "DRIContext"); |
| 793 | |
| 794 | if (!DRIDrawablePrivResType || !DRIContextPrivResType) |
| 795 | return FALSE; |
| 796 | |
| 797 | RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL); |
| 798 | |
| 799 | return TRUE; |
| 800 | } |
| 801 | |
| 802 | void |
| 803 | DRIReset(void) |
| 804 | { |
| 805 | /* |
| 806 | * This stub routine is called when the X Server recycles, resources |
| 807 | * allocated by DRIExtensionInit need to be managed here. |
| 808 | * |
| 809 | * Currently this routine is a stub because all the interesting resources |
| 810 | * are managed via the screen init process. |
| 811 | */ |
| 812 | } |
| 813 | |
| 814 | Bool |
| 815 | DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool *isCapable) |
| 816 | { |
| 817 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 818 | |
| 819 | if (pDRIPriv) |
| 820 | *isCapable = pDRIPriv->directRenderingSupport; |
| 821 | else |
| 822 | *isCapable = FALSE; |
| 823 | |
| 824 | return TRUE; |
| 825 | } |
| 826 | |
| 827 | Bool |
| 828 | DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString) |
| 829 | { |
| 830 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 831 | |
| 832 | *hSAREA = pDRIPriv->hSAREA; |
| 833 | *busIdString = pDRIPriv->pDriverInfo->busIdString; |
| 834 | |
| 835 | return TRUE; |
| 836 | } |
| 837 | |
| 838 | Bool |
| 839 | DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic) |
| 840 | { |
| 841 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 842 | |
| 843 | if (drmAuthMagic(pDRIPriv->drmFD, magic)) |
| 844 | return FALSE; |
| 845 | return TRUE; |
| 846 | } |
| 847 | |
| 848 | Bool |
| 849 | DRICloseConnection(ScreenPtr pScreen) |
| 850 | { |
| 851 | return TRUE; |
| 852 | } |
| 853 | |
| 854 | Bool |
| 855 | DRIGetClientDriverName(ScreenPtr pScreen, |
| 856 | int *ddxDriverMajorVersion, |
| 857 | int *ddxDriverMinorVersion, |
| 858 | int *ddxDriverPatchVersion, char **clientDriverName) |
| 859 | { |
| 860 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 861 | |
| 862 | *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion; |
| 863 | *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion; |
| 864 | *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion; |
| 865 | *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName; |
| 866 | |
| 867 | return TRUE; |
| 868 | } |
| 869 | |
| 870 | /* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper |
| 871 | functions that layer on drmCreateContext and drmAddContextTag. |
| 872 | |
| 873 | DRICreateContextPriv always creates a kernel drm_context_t and then calls |
| 874 | DRICreateContextPrivFromHandle to create a DRIContextPriv structure for |
| 875 | DRI tracking. For the SIGIO handler, the drm_context_t is associated with |
| 876 | DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv |
| 877 | area and are passed to the kernel (if necessary). |
| 878 | |
| 879 | DRICreateContextPriv returns a pointer to newly allocated |
| 880 | DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */ |
| 881 | |
| 882 | DRIContextPrivPtr |
| 883 | DRICreateContextPriv(ScreenPtr pScreen, |
| 884 | drm_context_t * pHWContext, DRIContextFlags flags) |
| 885 | { |
| 886 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 887 | |
| 888 | if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) { |
| 889 | return NULL; |
| 890 | } |
| 891 | |
| 892 | return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags); |
| 893 | } |
| 894 | |
| 895 | DRIContextPrivPtr |
| 896 | DRICreateContextPrivFromHandle(ScreenPtr pScreen, |
| 897 | drm_context_t hHWContext, DRIContextFlags flags) |
| 898 | { |
| 899 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 900 | DRIContextPrivPtr pDRIContextPriv; |
| 901 | int contextPrivSize; |
| 902 | |
| 903 | contextPrivSize = sizeof(DRIContextPrivRec) + |
| 904 | pDRIPriv->pDriverInfo->contextSize; |
| 905 | if (!(pDRIContextPriv = calloc(1, contextPrivSize))) { |
| 906 | return NULL; |
| 907 | } |
| 908 | pDRIContextPriv->pContextStore = (void *) (pDRIContextPriv + 1); |
| 909 | |
| 910 | drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv); |
| 911 | |
| 912 | pDRIContextPriv->hwContext = hHWContext; |
| 913 | pDRIContextPriv->pScreen = pScreen; |
| 914 | pDRIContextPriv->flags = flags; |
| 915 | pDRIContextPriv->valid3D = FALSE; |
| 916 | |
| 917 | if (flags & DRI_CONTEXT_2DONLY) { |
| 918 | if (drmSetContextFlags(pDRIPriv->drmFD, hHWContext, DRM_CONTEXT_2DONLY)) { |
| 919 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 920 | "[drm] failed to set 2D context flag\n"); |
| 921 | DRIDestroyContextPriv(pDRIContextPriv); |
| 922 | return NULL; |
| 923 | } |
| 924 | } |
| 925 | if (flags & DRI_CONTEXT_PRESERVED) { |
| 926 | if (drmSetContextFlags(pDRIPriv->drmFD, |
| 927 | hHWContext, DRM_CONTEXT_PRESERVED)) { |
| 928 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 929 | "[drm] failed to set preserved flag\n"); |
| 930 | DRIDestroyContextPriv(pDRIContextPriv); |
| 931 | return NULL; |
| 932 | } |
| 933 | } |
| 934 | return pDRIContextPriv; |
| 935 | } |
| 936 | |
| 937 | Bool |
| 938 | DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv) |
| 939 | { |
| 940 | DRIScreenPrivPtr pDRIPriv; |
| 941 | |
| 942 | if (!pDRIContextPriv) |
| 943 | return TRUE; |
| 944 | |
| 945 | pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen); |
| 946 | |
| 947 | if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) { |
| 948 | /* Don't delete reserved contexts from |
| 949 | kernel area -- the kernel manages its |
| 950 | reserved contexts itself. */ |
| 951 | if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext)) |
| 952 | return FALSE; |
| 953 | } |
| 954 | |
| 955 | /* Remove the tag last to prevent a race |
| 956 | condition where the context has pending |
| 957 | buffers. The context can't be re-used |
| 958 | while in this thread, but buffers can be |
| 959 | dispatched asynchronously. */ |
| 960 | drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext); |
| 961 | free(pDRIContextPriv); |
| 962 | return TRUE; |
| 963 | } |
| 964 | |
| 965 | static Bool |
| 966 | DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv) |
| 967 | { |
| 968 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 969 | DRIContextPrivPtr pDRIContextPriv; |
| 970 | void *contextStore; |
| 971 | |
| 972 | if (!(pDRIContextPriv = |
| 973 | DRICreateContextPriv(pScreen, &pDRIPriv->pSAREA->dummy_context, 0))) { |
| 974 | return FALSE; |
| 975 | } |
| 976 | |
| 977 | contextStore = DRIGetContextStore(pDRIContextPriv); |
| 978 | if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) { |
| 979 | if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, NULL, |
| 980 | pDRIPriv->pSAREA-> |
| 981 | dummy_context, NULL, |
| 982 | (DRIContextType) (long) |
| 983 | contextStore)) { |
| 984 | DRIDestroyContextPriv(pDRIContextPriv); |
| 985 | return FALSE; |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | pDRIPriv->dummyCtxPriv = pDRIContextPriv; |
| 990 | return TRUE; |
| 991 | } |
| 992 | |
| 993 | static void |
| 994 | DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv) |
| 995 | { |
| 996 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 997 | DRIContextPrivPtr pDRIContextPriv = pDRIPriv->dummyCtxPriv; |
| 998 | void *contextStore; |
| 999 | |
| 1000 | if (!pDRIContextPriv) |
| 1001 | return; |
| 1002 | if (pDRIPriv->pDriverInfo->DestroyContext && hasCtxPriv) { |
| 1003 | contextStore = DRIGetContextStore(pDRIContextPriv); |
| 1004 | pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen, |
| 1005 | pDRIContextPriv->hwContext, |
| 1006 | (DRIContextType) (long) |
| 1007 | contextStore); |
| 1008 | } |
| 1009 | |
| 1010 | DRIDestroyContextPriv(pDRIPriv->dummyCtxPriv); |
| 1011 | pDRIPriv->dummyCtxPriv = NULL; |
| 1012 | } |
| 1013 | |
| 1014 | Bool |
| 1015 | DRICreateContext(ScreenPtr pScreen, VisualPtr visual, |
| 1016 | XID context, drm_context_t * pHWContext) |
| 1017 | { |
| 1018 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1019 | DRIContextPrivPtr pDRIContextPriv; |
| 1020 | void *contextStore; |
| 1021 | |
| 1022 | if (pDRIPriv->createDummyCtx && !pDRIPriv->dummyCtxPriv) { |
| 1023 | if (!DRICreateDummyContext(pScreen, pDRIPriv->createDummyCtxPriv)) { |
| 1024 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 1025 | "[drm] Could not create dummy context\n"); |
| 1026 | return FALSE; |
| 1027 | } |
| 1028 | } |
| 1029 | |
| 1030 | if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) { |
| 1031 | return FALSE; |
| 1032 | } |
| 1033 | |
| 1034 | contextStore = DRIGetContextStore(pDRIContextPriv); |
| 1035 | if (pDRIPriv->pDriverInfo->CreateContext) { |
| 1036 | if (!((*pDRIPriv->pDriverInfo->CreateContext) (pScreen, NULL, |
| 1037 | *pHWContext, NULL, |
| 1038 | (DRIContextType) (long) |
| 1039 | contextStore))) { |
| 1040 | DRIDestroyContextPriv(pDRIContextPriv); |
| 1041 | return FALSE; |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | /* track this in case the client dies before cleanup */ |
| 1046 | AddResource(context, DRIContextPrivResType, (pointer) pDRIContextPriv); |
| 1047 | |
| 1048 | return TRUE; |
| 1049 | } |
| 1050 | |
| 1051 | Bool |
| 1052 | DRIDestroyContext(ScreenPtr pScreen, XID context) |
| 1053 | { |
| 1054 | FreeResourceByType(context, DRIContextPrivResType, FALSE); |
| 1055 | |
| 1056 | return TRUE; |
| 1057 | } |
| 1058 | |
| 1059 | /* DRIContextPrivDelete is called by the resource manager. */ |
| 1060 | Bool |
| 1061 | DRIContextPrivDelete(pointer pResource, XID id) |
| 1062 | { |
| 1063 | DRIContextPrivPtr pDRIContextPriv = (DRIContextPrivPtr) pResource; |
| 1064 | DRIScreenPrivPtr pDRIPriv; |
| 1065 | void *contextStore; |
| 1066 | |
| 1067 | pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen); |
| 1068 | if (pDRIPriv->pDriverInfo->DestroyContext) { |
| 1069 | contextStore = DRIGetContextStore(pDRIContextPriv); |
| 1070 | pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen, |
| 1071 | pDRIContextPriv->hwContext, |
| 1072 | (DRIContextType) (long) |
| 1073 | contextStore); |
| 1074 | } |
| 1075 | return DRIDestroyContextPriv(pDRIContextPriv); |
| 1076 | } |
| 1077 | |
| 1078 | /* This walks the drawable timestamp array and invalidates all of them |
| 1079 | * in the case of transition from private to shared backbuffers. It's |
| 1080 | * not necessary for correctness, because DRIClipNotify gets called in |
| 1081 | * time to prevent any conflict, but the transition from |
| 1082 | * shared->private is sometimes missed if we don't do this. |
| 1083 | */ |
| 1084 | static void |
| 1085 | DRIClipNotifyAllDrawables(ScreenPtr pScreen) |
| 1086 | { |
| 1087 | int i; |
| 1088 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1089 | |
| 1090 | for (i = 0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) { |
| 1091 | pDRIPriv->pSAREA->drawableTable[i].stamp = DRIDrawableValidationStamp++; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | static void |
| 1096 | DRITransitionToSharedBuffers(ScreenPtr pScreen) |
| 1097 | { |
| 1098 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1099 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 1100 | |
| 1101 | DRIClipNotifyAllDrawables(pScreen); |
| 1102 | |
| 1103 | if (pDRIInfo->TransitionSingleToMulti3D) |
| 1104 | pDRIInfo->TransitionSingleToMulti3D(pScreen); |
| 1105 | } |
| 1106 | |
| 1107 | static void |
| 1108 | DRITransitionToPrivateBuffers(ScreenPtr pScreen) |
| 1109 | { |
| 1110 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1111 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 1112 | |
| 1113 | DRIClipNotifyAllDrawables(pScreen); |
| 1114 | |
| 1115 | if (pDRIInfo->TransitionMultiToSingle3D) |
| 1116 | pDRIInfo->TransitionMultiToSingle3D(pScreen); |
| 1117 | } |
| 1118 | |
| 1119 | static void |
| 1120 | DRITransitionTo3d(ScreenPtr pScreen) |
| 1121 | { |
| 1122 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1123 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 1124 | |
| 1125 | DRIClipNotifyAllDrawables(pScreen); |
| 1126 | |
| 1127 | if (pDRIInfo->TransitionTo3d) |
| 1128 | pDRIInfo->TransitionTo3d(pScreen); |
| 1129 | } |
| 1130 | |
| 1131 | static void |
| 1132 | DRITransitionTo2d(ScreenPtr pScreen) |
| 1133 | { |
| 1134 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1135 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 1136 | |
| 1137 | DRIClipNotifyAllDrawables(pScreen); |
| 1138 | |
| 1139 | if (pDRIInfo->TransitionTo2d) |
| 1140 | pDRIInfo->TransitionTo2d(pScreen); |
| 1141 | } |
| 1142 | |
| 1143 | static int |
| 1144 | DRIDCNTreeTraversal(WindowPtr pWin, pointer data) |
| 1145 | { |
| 1146 | DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 1147 | |
| 1148 | if (pDRIDrawablePriv) { |
| 1149 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1150 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1151 | |
| 1152 | if (RegionNumRects(&pWin->clipList) > 0) { |
| 1153 | WindowPtr *pDRIWindows = (WindowPtr *) data; |
| 1154 | int i = 0; |
| 1155 | |
| 1156 | while (pDRIWindows[i]) |
| 1157 | i++; |
| 1158 | |
| 1159 | pDRIWindows[i] = pWin; |
| 1160 | |
| 1161 | pDRIPriv->nrWalked++; |
| 1162 | } |
| 1163 | |
| 1164 | if (pDRIPriv->nrWindows == pDRIPriv->nrWalked) |
| 1165 | return WT_STOPWALKING; |
| 1166 | } |
| 1167 | |
| 1168 | return WT_WALKCHILDREN; |
| 1169 | } |
| 1170 | |
| 1171 | static void |
| 1172 | DRIDriverClipNotify(ScreenPtr pScreen) |
| 1173 | { |
| 1174 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1175 | |
| 1176 | if (pDRIPriv->pDriverInfo->ClipNotify) { |
| 1177 | WindowPtr *pDRIWindows = calloc(sizeof(WindowPtr), pDRIPriv->nrWindows); |
| 1178 | DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo; |
| 1179 | |
| 1180 | if (pDRIPriv->nrWindows > 0) { |
| 1181 | pDRIPriv->nrWalked = 0; |
| 1182 | TraverseTree(pScreen->root, DRIDCNTreeTraversal, |
| 1183 | (pointer) pDRIWindows); |
| 1184 | } |
| 1185 | |
| 1186 | pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows); |
| 1187 | |
| 1188 | free(pDRIWindows); |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | static void |
| 1193 | DRIIncreaseNumberVisible(ScreenPtr pScreen) |
| 1194 | { |
| 1195 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1196 | |
| 1197 | switch (++pDRIPriv->nrWindowsVisible) { |
| 1198 | case 1: |
| 1199 | DRITransitionTo3d(pScreen); |
| 1200 | break; |
| 1201 | case 2: |
| 1202 | DRITransitionToSharedBuffers(pScreen); |
| 1203 | break; |
| 1204 | default: |
| 1205 | break; |
| 1206 | } |
| 1207 | |
| 1208 | DRIDriverClipNotify(pScreen); |
| 1209 | } |
| 1210 | |
| 1211 | static void |
| 1212 | DRIDecreaseNumberVisible(ScreenPtr pScreen) |
| 1213 | { |
| 1214 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1215 | |
| 1216 | switch (--pDRIPriv->nrWindowsVisible) { |
| 1217 | case 0: |
| 1218 | DRITransitionTo2d(pScreen); |
| 1219 | break; |
| 1220 | case 1: |
| 1221 | DRITransitionToPrivateBuffers(pScreen); |
| 1222 | break; |
| 1223 | default: |
| 1224 | break; |
| 1225 | } |
| 1226 | |
| 1227 | DRIDriverClipNotify(pScreen); |
| 1228 | } |
| 1229 | |
| 1230 | Bool |
| 1231 | DRICreateDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable, |
| 1232 | drm_drawable_t * hHWDrawable) |
| 1233 | { |
| 1234 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1235 | DRIDrawablePrivPtr pDRIDrawablePriv; |
| 1236 | WindowPtr pWin; |
| 1237 | |
| 1238 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 1239 | pWin = (WindowPtr) pDrawable; |
| 1240 | if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { |
| 1241 | pDRIDrawablePriv->refCount++; |
| 1242 | |
| 1243 | if (!pDRIDrawablePriv->hwDrawable) { |
| 1244 | drmCreateDrawable(pDRIPriv->drmFD, |
| 1245 | &pDRIDrawablePriv->hwDrawable); |
| 1246 | } |
| 1247 | } |
| 1248 | else { |
| 1249 | /* allocate a DRI Window Private record */ |
| 1250 | if (!(pDRIDrawablePriv = malloc(sizeof(DRIDrawablePrivRec)))) { |
| 1251 | return FALSE; |
| 1252 | } |
| 1253 | |
| 1254 | /* Only create a drm_drawable_t once */ |
| 1255 | if (drmCreateDrawable(pDRIPriv->drmFD, |
| 1256 | &pDRIDrawablePriv->hwDrawable)) { |
| 1257 | free(pDRIDrawablePriv); |
| 1258 | return FALSE; |
| 1259 | } |
| 1260 | |
| 1261 | /* add it to the list of DRI drawables for this screen */ |
| 1262 | pDRIDrawablePriv->pScreen = pScreen; |
| 1263 | pDRIDrawablePriv->refCount = 1; |
| 1264 | pDRIDrawablePriv->drawableIndex = -1; |
| 1265 | pDRIDrawablePriv->nrects = RegionNumRects(&pWin->clipList); |
| 1266 | |
| 1267 | /* save private off of preallocated index */ |
| 1268 | dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, |
| 1269 | pDRIDrawablePriv); |
| 1270 | pDRIPriv->nrWindows++; |
| 1271 | |
| 1272 | if (pDRIDrawablePriv->nrects) |
| 1273 | DRIIncreaseNumberVisible(pScreen); |
| 1274 | } |
| 1275 | |
| 1276 | /* track this in case the client dies */ |
| 1277 | AddResource(FakeClientID(client->index), DRIDrawablePrivResType, |
| 1278 | (pointer) (intptr_t) pDrawable->id); |
| 1279 | |
| 1280 | if (pDRIDrawablePriv->hwDrawable) { |
| 1281 | drmUpdateDrawableInfo(pDRIPriv->drmFD, |
| 1282 | pDRIDrawablePriv->hwDrawable, |
| 1283 | DRM_DRAWABLE_CLIPRECTS, |
| 1284 | RegionNumRects(&pWin->clipList), |
| 1285 | RegionRects(&pWin->clipList)); |
| 1286 | *hHWDrawable = pDRIDrawablePriv->hwDrawable; |
| 1287 | } |
| 1288 | } |
| 1289 | else if (pDrawable->type != DRAWABLE_PIXMAP) { /* PBuffer */ |
| 1290 | /* NOT_DONE */ |
| 1291 | return FALSE; |
| 1292 | } |
| 1293 | |
| 1294 | return TRUE; |
| 1295 | } |
| 1296 | |
| 1297 | static void |
| 1298 | DRIDrawablePrivDestroy(WindowPtr pWin) |
| 1299 | { |
| 1300 | DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 1301 | ScreenPtr pScreen; |
| 1302 | DRIScreenPrivPtr pDRIPriv; |
| 1303 | |
| 1304 | if (!pDRIDrawablePriv) |
| 1305 | return; |
| 1306 | |
| 1307 | pScreen = pWin->drawable.pScreen; |
| 1308 | pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1309 | |
| 1310 | if (pDRIDrawablePriv->drawableIndex != -1) { |
| 1311 | /* bump stamp to force outstanding 3D requests to resync */ |
| 1312 | pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp |
| 1313 | = DRIDrawableValidationStamp++; |
| 1314 | |
| 1315 | /* release drawable table entry */ |
| 1316 | pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL; |
| 1317 | } |
| 1318 | |
| 1319 | pDRIPriv->nrWindows--; |
| 1320 | |
| 1321 | if (pDRIDrawablePriv->nrects) |
| 1322 | DRIDecreaseNumberVisible(pScreen); |
| 1323 | |
| 1324 | drmDestroyDrawable(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable); |
| 1325 | |
| 1326 | free(pDRIDrawablePriv); |
| 1327 | dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL); |
| 1328 | } |
| 1329 | |
| 1330 | static Bool |
| 1331 | DRIDestroyDrawableCB(pointer value, XID id, pointer data) |
| 1332 | { |
| 1333 | if (value == data) { |
| 1334 | /* This calls back DRIDrawablePrivDelete which frees private area */ |
| 1335 | FreeResourceByType(id, DRIDrawablePrivResType, FALSE); |
| 1336 | |
| 1337 | return TRUE; |
| 1338 | } |
| 1339 | |
| 1340 | return FALSE; |
| 1341 | } |
| 1342 | |
| 1343 | Bool |
| 1344 | DRIDestroyDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable) |
| 1345 | { |
| 1346 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 1347 | LookupClientResourceComplex(client, DRIDrawablePrivResType, |
| 1348 | DRIDestroyDrawableCB, |
| 1349 | (pointer) (intptr_t) pDrawable->id); |
| 1350 | } |
| 1351 | else { /* pixmap (or for GLX 1.3, a PBuffer) */ |
| 1352 | /* NOT_DONE */ |
| 1353 | return FALSE; |
| 1354 | } |
| 1355 | |
| 1356 | return TRUE; |
| 1357 | } |
| 1358 | |
| 1359 | Bool |
| 1360 | DRIDrawablePrivDelete(pointer pResource, XID id) |
| 1361 | { |
| 1362 | WindowPtr pWin; |
| 1363 | int rc; |
| 1364 | |
| 1365 | /* For DRIDrawablePrivResType, the XID is the client's fake ID. The |
| 1366 | * important XID is the value in pResource. */ |
| 1367 | id = (XID) (intptr_t) pResource; |
| 1368 | rc = dixLookupWindow(&pWin, id, serverClient, DixGetAttrAccess); |
| 1369 | |
| 1370 | if (rc == Success) { |
| 1371 | DRIDrawablePrivPtr pDRIDrwPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 1372 | |
| 1373 | if (!pDRIDrwPriv) |
| 1374 | return FALSE; |
| 1375 | |
| 1376 | if (--pDRIDrwPriv->refCount == 0) |
| 1377 | DRIDrawablePrivDestroy(pWin); |
| 1378 | |
| 1379 | return TRUE; |
| 1380 | } |
| 1381 | else { /* pixmap (or for GLX 1.3, a PBuffer) */ |
| 1382 | /* NOT_DONE */ |
| 1383 | return FALSE; |
| 1384 | } |
| 1385 | } |
| 1386 | |
| 1387 | Bool |
| 1388 | DRIGetDrawableInfo(ScreenPtr pScreen, |
| 1389 | DrawablePtr pDrawable, |
| 1390 | unsigned int *index, |
| 1391 | unsigned int *stamp, |
| 1392 | int *X, |
| 1393 | int *Y, |
| 1394 | int *W, |
| 1395 | int *H, |
| 1396 | int *numClipRects, |
| 1397 | drm_clip_rect_t ** pClipRects, |
| 1398 | int *backX, |
| 1399 | int *backY, |
| 1400 | int *numBackClipRects, drm_clip_rect_t ** pBackClipRects) |
| 1401 | { |
| 1402 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1403 | DRIDrawablePrivPtr pDRIDrawablePriv, pOldDrawPriv; |
| 1404 | WindowPtr pWin, pOldWin; |
| 1405 | int i; |
| 1406 | |
| 1407 | #if 0 |
| 1408 | printf("maxDrawableTableEntry = %d\n", |
| 1409 | pDRIPriv->pDriverInfo->maxDrawableTableEntry); |
| 1410 | #endif |
| 1411 | |
| 1412 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 1413 | pWin = (WindowPtr) pDrawable; |
| 1414 | if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { |
| 1415 | |
| 1416 | /* Manage drawable table */ |
| 1417 | if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */ |
| 1418 | |
| 1419 | /* Search table for empty entry */ |
| 1420 | i = 0; |
| 1421 | while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) { |
| 1422 | if (!(pDRIPriv->DRIDrawables[i])) { |
| 1423 | pDRIPriv->DRIDrawables[i] = pDrawable; |
| 1424 | pDRIDrawablePriv->drawableIndex = i; |
| 1425 | pDRIPriv->pSAREA->drawableTable[i].stamp = |
| 1426 | DRIDrawableValidationStamp++; |
| 1427 | break; |
| 1428 | } |
| 1429 | i++; |
| 1430 | } |
| 1431 | |
| 1432 | /* Search table for oldest entry */ |
| 1433 | if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) { |
| 1434 | unsigned int oldestStamp = ~0; |
| 1435 | int oldestIndex = 0; |
| 1436 | |
| 1437 | i = pDRIPriv->pDriverInfo->maxDrawableTableEntry; |
| 1438 | while (i--) { |
| 1439 | if (pDRIPriv->pSAREA->drawableTable[i].stamp < |
| 1440 | oldestStamp) { |
| 1441 | oldestIndex = i; |
| 1442 | oldestStamp = |
| 1443 | pDRIPriv->pSAREA->drawableTable[i].stamp; |
| 1444 | } |
| 1445 | } |
| 1446 | pDRIDrawablePriv->drawableIndex = oldestIndex; |
| 1447 | |
| 1448 | /* release oldest drawable table entry */ |
| 1449 | pOldWin = (WindowPtr) pDRIPriv->DRIDrawables[oldestIndex]; |
| 1450 | pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin); |
| 1451 | pOldDrawPriv->drawableIndex = -1; |
| 1452 | |
| 1453 | /* claim drawable table entry */ |
| 1454 | pDRIPriv->DRIDrawables[oldestIndex] = pDrawable; |
| 1455 | |
| 1456 | /* validate SAREA entry */ |
| 1457 | pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp = |
| 1458 | DRIDrawableValidationStamp++; |
| 1459 | |
| 1460 | /* check for stamp wrap around */ |
| 1461 | if (oldestStamp > DRIDrawableValidationStamp) { |
| 1462 | |
| 1463 | /* walk SAREA table and invalidate all drawables */ |
| 1464 | for (i = 0; |
| 1465 | i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; |
| 1466 | i++) { |
| 1467 | pDRIPriv->pSAREA->drawableTable[i].stamp = |
| 1468 | DRIDrawableValidationStamp++; |
| 1469 | } |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | /* If the driver wants to be notified when the index is |
| 1474 | * set for a drawable, let it know now. |
| 1475 | */ |
| 1476 | if (pDRIPriv->pDriverInfo->SetDrawableIndex) |
| 1477 | pDRIPriv->pDriverInfo->SetDrawableIndex(pWin, |
| 1478 | pDRIDrawablePriv-> |
| 1479 | drawableIndex); |
| 1480 | |
| 1481 | /* reinit drawable ID if window is visible */ |
| 1482 | if ((pWin->viewable) && |
| 1483 | (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS)) { |
| 1484 | (*pDRIPriv->pDriverInfo->InitBuffers) (pWin, |
| 1485 | &pWin->clipList, |
| 1486 | pDRIDrawablePriv-> |
| 1487 | drawableIndex); |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | *index = pDRIDrawablePriv->drawableIndex; |
| 1492 | *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp; |
| 1493 | *X = (int) (pWin->drawable.x); |
| 1494 | *Y = (int) (pWin->drawable.y); |
| 1495 | *W = (int) (pWin->drawable.width); |
| 1496 | *H = (int) (pWin->drawable.height); |
| 1497 | *numClipRects = RegionNumRects(&pWin->clipList); |
| 1498 | *pClipRects = (drm_clip_rect_t *) RegionRects(&pWin->clipList); |
| 1499 | |
| 1500 | if (!*numClipRects && pDRIPriv->fullscreen) { |
| 1501 | /* use fake full-screen clip rect */ |
| 1502 | pDRIPriv->fullscreen_rect.x1 = *X; |
| 1503 | pDRIPriv->fullscreen_rect.y1 = *Y; |
| 1504 | pDRIPriv->fullscreen_rect.x2 = *X + *W; |
| 1505 | pDRIPriv->fullscreen_rect.y2 = *Y + *H; |
| 1506 | |
| 1507 | *numClipRects = 1; |
| 1508 | *pClipRects = &pDRIPriv->fullscreen_rect; |
| 1509 | } |
| 1510 | |
| 1511 | *backX = *X; |
| 1512 | *backY = *Y; |
| 1513 | |
| 1514 | if (pDRIPriv->nrWindowsVisible == 1 && *numClipRects) { |
| 1515 | /* Use a single cliprect. */ |
| 1516 | |
| 1517 | int x0 = *X; |
| 1518 | int y0 = *Y; |
| 1519 | int x1 = x0 + *W; |
| 1520 | int y1 = y0 + *H; |
| 1521 | |
| 1522 | if (x0 < 0) |
| 1523 | x0 = 0; |
| 1524 | if (y0 < 0) |
| 1525 | y0 = 0; |
| 1526 | if (x1 > pScreen->width) |
| 1527 | x1 = pScreen->width; |
| 1528 | if (y1 > pScreen->height) |
| 1529 | y1 = pScreen->height; |
| 1530 | |
| 1531 | if (y0 >= y1 || x0 >= x1) { |
| 1532 | *numBackClipRects = 0; |
| 1533 | *pBackClipRects = NULL; |
| 1534 | } |
| 1535 | else { |
| 1536 | pDRIPriv->private_buffer_rect.x1 = x0; |
| 1537 | pDRIPriv->private_buffer_rect.y1 = y0; |
| 1538 | pDRIPriv->private_buffer_rect.x2 = x1; |
| 1539 | pDRIPriv->private_buffer_rect.y2 = y1; |
| 1540 | |
| 1541 | *numBackClipRects = 1; |
| 1542 | *pBackClipRects = &(pDRIPriv->private_buffer_rect); |
| 1543 | } |
| 1544 | } |
| 1545 | else { |
| 1546 | /* Use the frontbuffer cliprects for back buffers. */ |
| 1547 | *numBackClipRects = 0; |
| 1548 | *pBackClipRects = 0; |
| 1549 | } |
| 1550 | } |
| 1551 | else { |
| 1552 | /* Not a DRIDrawable */ |
| 1553 | return FALSE; |
| 1554 | } |
| 1555 | } |
| 1556 | else { /* pixmap (or for GLX 1.3, a PBuffer) */ |
| 1557 | /* NOT_DONE */ |
| 1558 | return FALSE; |
| 1559 | } |
| 1560 | |
| 1561 | return TRUE; |
| 1562 | } |
| 1563 | |
| 1564 | Bool |
| 1565 | DRIGetDeviceInfo(ScreenPtr pScreen, |
| 1566 | drm_handle_t * hFrameBuffer, |
| 1567 | int *fbOrigin, |
| 1568 | int *fbSize, |
| 1569 | int *fbStride, int *devPrivateSize, void **pDevPrivate) |
| 1570 | { |
| 1571 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1572 | |
| 1573 | *hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer; |
| 1574 | *fbOrigin = 0; |
| 1575 | *fbSize = pDRIPriv->pDriverInfo->frameBufferSize; |
| 1576 | *fbStride = pDRIPriv->pDriverInfo->frameBufferStride; |
| 1577 | *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize; |
| 1578 | *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate; |
| 1579 | |
| 1580 | return TRUE; |
| 1581 | } |
| 1582 | |
| 1583 | DRIInfoPtr |
| 1584 | DRICreateInfoRec(void) |
| 1585 | { |
| 1586 | DRIInfoPtr inforec = (DRIInfoPtr) calloc(1, sizeof(DRIInfoRec)); |
| 1587 | |
| 1588 | if (!inforec) |
| 1589 | return NULL; |
| 1590 | |
| 1591 | /* Initialize defaults */ |
| 1592 | inforec->busIdString = NULL; |
| 1593 | |
| 1594 | /* Wrapped function defaults */ |
| 1595 | inforec->wrap.WakeupHandler = DRIDoWakeupHandler; |
| 1596 | inforec->wrap.BlockHandler = DRIDoBlockHandler; |
| 1597 | inforec->wrap.WindowExposures = DRIWindowExposures; |
| 1598 | inforec->wrap.CopyWindow = DRICopyWindow; |
| 1599 | inforec->wrap.ValidateTree = DRIValidateTree; |
| 1600 | inforec->wrap.PostValidateTree = DRIPostValidateTree; |
| 1601 | inforec->wrap.ClipNotify = DRIClipNotify; |
| 1602 | inforec->wrap.AdjustFrame = DRIAdjustFrame; |
| 1603 | |
| 1604 | inforec->TransitionTo2d = 0; |
| 1605 | inforec->TransitionTo3d = 0; |
| 1606 | inforec->SetDrawableIndex = 0; |
| 1607 | |
| 1608 | return inforec; |
| 1609 | } |
| 1610 | |
| 1611 | void |
| 1612 | DRIDestroyInfoRec(DRIInfoPtr DRIInfo) |
| 1613 | { |
| 1614 | free(DRIInfo->busIdString); |
| 1615 | free((char *) DRIInfo); |
| 1616 | } |
| 1617 | |
| 1618 | void |
| 1619 | DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask) |
| 1620 | { |
| 1621 | int i; |
| 1622 | |
| 1623 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1624 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 1625 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1626 | |
| 1627 | if (pDRIPriv && pDRIPriv->pDriverInfo->wrap.WakeupHandler) |
| 1628 | (*pDRIPriv->pDriverInfo->wrap.WakeupHandler) (pScreen, |
| 1629 | result, pReadmask); |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | void |
| 1634 | DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask) |
| 1635 | { |
| 1636 | int i; |
| 1637 | |
| 1638 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1639 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 1640 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1641 | |
| 1642 | if (pDRIPriv && pDRIPriv->pDriverInfo->wrap.BlockHandler) |
| 1643 | (*pDRIPriv->pDriverInfo->wrap.BlockHandler) (pScreen, |
| 1644 | pTimeout, pReadmask); |
| 1645 | } |
| 1646 | } |
| 1647 | |
| 1648 | void |
| 1649 | DRIDoWakeupHandler(ScreenPtr pScreen, |
| 1650 | unsigned long result, pointer pReadmask) |
| 1651 | { |
| 1652 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1653 | |
| 1654 | DRILock(pScreen, 0); |
| 1655 | if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { |
| 1656 | /* hide X context by swapping 2D component here */ |
| 1657 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 1658 | DRI_3D_SYNC, |
| 1659 | DRI_2D_CONTEXT, |
| 1660 | pDRIPriv->partial3DContextStore, |
| 1661 | DRI_2D_CONTEXT, |
| 1662 | pDRIPriv->hiddenContextStore); |
| 1663 | } |
| 1664 | } |
| 1665 | |
| 1666 | void |
| 1667 | DRIDoBlockHandler(ScreenPtr pScreen, |
| 1668 | pointer pTimeout, pointer pReadmask) |
| 1669 | { |
| 1670 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1671 | |
| 1672 | if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { |
| 1673 | /* hide X context by swapping 2D component here */ |
| 1674 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 1675 | DRI_2D_SYNC, |
| 1676 | DRI_NO_CONTEXT, |
| 1677 | NULL, |
| 1678 | DRI_2D_CONTEXT, |
| 1679 | pDRIPriv->partial3DContextStore); |
| 1680 | } |
| 1681 | |
| 1682 | if (pDRIPriv->windowsTouched) |
| 1683 | DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1); |
| 1684 | pDRIPriv->windowsTouched = FALSE; |
| 1685 | |
| 1686 | DRIUnlock(pScreen); |
| 1687 | } |
| 1688 | |
| 1689 | void |
| 1690 | DRISwapContext(int drmFD, void *oldctx, void *newctx) |
| 1691 | { |
| 1692 | DRIContextPrivPtr oldContext = (DRIContextPrivPtr) oldctx; |
| 1693 | DRIContextPrivPtr newContext = (DRIContextPrivPtr) newctx; |
| 1694 | ScreenPtr pScreen = newContext->pScreen; |
| 1695 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1696 | void *oldContextStore = NULL; |
| 1697 | DRIContextType oldContextType; |
| 1698 | void *newContextStore = NULL; |
| 1699 | DRIContextType newContextType; |
| 1700 | DRISyncType syncType; |
| 1701 | |
| 1702 | #ifdef DEBUG |
| 1703 | static int count = 0; |
| 1704 | |
| 1705 | if (!newContext) { |
| 1706 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 1707 | "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n", |
| 1708 | oldContext, newContext); |
| 1709 | return; |
| 1710 | } |
| 1711 | |
| 1712 | /* usefull for debugging, just print out after n context switches */ |
| 1713 | if (!count || !(count % 1)) { |
| 1714 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 1715 | "[DRI] Context switch %5d from %p/0x%08x (%d)\n", |
| 1716 | count, |
| 1717 | oldContext, |
| 1718 | oldContext ? oldContext->flags : 0, |
| 1719 | oldContext ? oldContext->hwContext : -1); |
| 1720 | DRIDrvMsg(pScreen->myNum, X_INFO, |
| 1721 | "[DRI] Context switch %5d to %p/0x%08x (%d)\n", |
| 1722 | count, |
| 1723 | newContext, |
| 1724 | newContext ? newContext->flags : 0, |
| 1725 | newContext ? newContext->hwContext : -1); |
| 1726 | } |
| 1727 | ++count; |
| 1728 | #endif |
| 1729 | |
| 1730 | if (!pDRIPriv->pDriverInfo->SwapContext) { |
| 1731 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 1732 | "[DRI] DDX driver missing context swap call back\n"); |
| 1733 | return; |
| 1734 | } |
| 1735 | |
| 1736 | if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { |
| 1737 | |
| 1738 | /* only 3D contexts are swapped in this case */ |
| 1739 | if (oldContext) { |
| 1740 | oldContextStore = DRIGetContextStore(oldContext); |
| 1741 | oldContext->valid3D = TRUE; |
| 1742 | oldContextType = DRI_3D_CONTEXT; |
| 1743 | } |
| 1744 | else { |
| 1745 | oldContextType = DRI_NO_CONTEXT; |
| 1746 | } |
| 1747 | newContextStore = DRIGetContextStore(newContext); |
| 1748 | if ((newContext->valid3D) && |
| 1749 | (newContext->hwContext != pDRIPriv->myContext)) { |
| 1750 | newContextType = DRI_3D_CONTEXT; |
| 1751 | } |
| 1752 | else { |
| 1753 | newContextType = DRI_2D_CONTEXT; |
| 1754 | } |
| 1755 | syncType = DRI_3D_SYNC; |
| 1756 | } |
| 1757 | else { /* default: driverSwapMethod == DRI_SERVER_SWAP */ |
| 1758 | |
| 1759 | /* optimize 2D context swaps */ |
| 1760 | |
| 1761 | if (newContext->flags & DRI_CONTEXT_2DONLY) { |
| 1762 | /* go from 3D context to 2D context and only save 2D |
| 1763 | * subset of 3D state |
| 1764 | */ |
| 1765 | oldContextStore = DRIGetContextStore(oldContext); |
| 1766 | oldContextType = DRI_2D_CONTEXT; |
| 1767 | newContextStore = DRIGetContextStore(newContext); |
| 1768 | newContextType = DRI_2D_CONTEXT; |
| 1769 | syncType = DRI_3D_SYNC; |
| 1770 | pDRIPriv->lastPartial3DContext = oldContext; |
| 1771 | } |
| 1772 | else if (oldContext->flags & DRI_CONTEXT_2DONLY) { |
| 1773 | if (pDRIPriv->lastPartial3DContext == newContext) { |
| 1774 | /* go from 2D context back to previous 3D context and |
| 1775 | * only restore 2D subset of previous 3D state |
| 1776 | */ |
| 1777 | oldContextStore = DRIGetContextStore(oldContext); |
| 1778 | oldContextType = DRI_2D_CONTEXT; |
| 1779 | newContextStore = DRIGetContextStore(newContext); |
| 1780 | newContextType = DRI_2D_CONTEXT; |
| 1781 | syncType = DRI_2D_SYNC; |
| 1782 | } |
| 1783 | else { |
| 1784 | /* go from 2D context to a different 3D context */ |
| 1785 | |
| 1786 | /* call DDX driver to do partial restore */ |
| 1787 | oldContextStore = DRIGetContextStore(oldContext); |
| 1788 | newContextStore = |
| 1789 | DRIGetContextStore(pDRIPriv->lastPartial3DContext); |
| 1790 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 1791 | DRI_2D_SYNC, |
| 1792 | DRI_2D_CONTEXT, |
| 1793 | oldContextStore, |
| 1794 | DRI_2D_CONTEXT, |
| 1795 | newContextStore); |
| 1796 | |
| 1797 | /* now setup for a complete 3D swap */ |
| 1798 | oldContextStore = newContextStore; |
| 1799 | oldContext->valid3D = TRUE; |
| 1800 | oldContextType = DRI_3D_CONTEXT; |
| 1801 | newContextStore = DRIGetContextStore(newContext); |
| 1802 | if ((newContext->valid3D) && |
| 1803 | (newContext->hwContext != pDRIPriv->myContext)) { |
| 1804 | newContextType = DRI_3D_CONTEXT; |
| 1805 | } |
| 1806 | else { |
| 1807 | newContextType = DRI_2D_CONTEXT; |
| 1808 | } |
| 1809 | syncType = DRI_NO_SYNC; |
| 1810 | } |
| 1811 | } |
| 1812 | else { |
| 1813 | /* now setup for a complete 3D swap */ |
| 1814 | oldContextStore = newContextStore; |
| 1815 | oldContext->valid3D = TRUE; |
| 1816 | oldContextType = DRI_3D_CONTEXT; |
| 1817 | newContextStore = DRIGetContextStore(newContext); |
| 1818 | if ((newContext->valid3D) && |
| 1819 | (newContext->hwContext != pDRIPriv->myContext)) { |
| 1820 | newContextType = DRI_3D_CONTEXT; |
| 1821 | } |
| 1822 | else { |
| 1823 | newContextType = DRI_2D_CONTEXT; |
| 1824 | } |
| 1825 | syncType = DRI_3D_SYNC; |
| 1826 | } |
| 1827 | } |
| 1828 | |
| 1829 | /* call DDX driver to perform the swap */ |
| 1830 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 1831 | syncType, |
| 1832 | oldContextType, |
| 1833 | oldContextStore, |
| 1834 | newContextType, newContextStore); |
| 1835 | } |
| 1836 | |
| 1837 | void * |
| 1838 | DRIGetContextStore(DRIContextPrivPtr context) |
| 1839 | { |
| 1840 | return ((void *) context->pContextStore); |
| 1841 | } |
| 1842 | |
| 1843 | void |
| 1844 | DRIWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr bsreg) |
| 1845 | { |
| 1846 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1847 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1848 | DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 1849 | |
| 1850 | if (pDRIDrawablePriv) { |
| 1851 | (*pDRIPriv->pDriverInfo->InitBuffers) (pWin, prgn, |
| 1852 | pDRIDrawablePriv->drawableIndex); |
| 1853 | } |
| 1854 | |
| 1855 | /* call lower wrapped functions */ |
| 1856 | if (pDRIPriv && pDRIPriv->wrap.WindowExposures) { |
| 1857 | |
| 1858 | /* unwrap */ |
| 1859 | pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures; |
| 1860 | |
| 1861 | /* call lower layers */ |
| 1862 | (*pScreen->WindowExposures) (pWin, prgn, bsreg); |
| 1863 | |
| 1864 | /* rewrap */ |
| 1865 | pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures; |
| 1866 | pScreen->WindowExposures = DRIWindowExposures; |
| 1867 | } |
| 1868 | } |
| 1869 | |
| 1870 | static int |
| 1871 | DRITreeTraversal(WindowPtr pWin, pointer data) |
| 1872 | { |
| 1873 | DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 1874 | |
| 1875 | if (pDRIDrawablePriv) { |
| 1876 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1877 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1878 | |
| 1879 | if (RegionNumRects(&(pWin->clipList)) > 0) { |
| 1880 | RegionPtr reg = (RegionPtr) data; |
| 1881 | |
| 1882 | RegionUnion(reg, reg, &(pWin->clipList)); |
| 1883 | pDRIPriv->nrWalked++; |
| 1884 | } |
| 1885 | |
| 1886 | if (pDRIPriv->nrWindows == pDRIPriv->nrWalked) |
| 1887 | return WT_STOPWALKING; |
| 1888 | } |
| 1889 | return WT_WALKCHILDREN; |
| 1890 | } |
| 1891 | |
| 1892 | Bool |
| 1893 | DRIDestroyWindow(WindowPtr pWin) |
| 1894 | { |
| 1895 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1896 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1897 | Bool retval = TRUE; |
| 1898 | |
| 1899 | DRIDrawablePrivDestroy(pWin); |
| 1900 | |
| 1901 | /* call lower wrapped functions */ |
| 1902 | if (pDRIPriv->DestroyWindow) { |
| 1903 | /* unwrap */ |
| 1904 | pScreen->DestroyWindow = pDRIPriv->DestroyWindow; |
| 1905 | |
| 1906 | /* call lower layers */ |
| 1907 | retval = (*pScreen->DestroyWindow) (pWin); |
| 1908 | |
| 1909 | /* rewrap */ |
| 1910 | pDRIPriv->DestroyWindow = pScreen->DestroyWindow; |
| 1911 | pScreen->DestroyWindow = DRIDestroyWindow; |
| 1912 | } |
| 1913 | |
| 1914 | return retval; |
| 1915 | } |
| 1916 | |
| 1917 | void |
| 1918 | DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 1919 | { |
| 1920 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1921 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 1922 | |
| 1923 | if (!pDRIPriv) |
| 1924 | return; |
| 1925 | |
| 1926 | if (pDRIPriv->nrWindowsVisible > 0) { |
| 1927 | RegionRec reg; |
| 1928 | |
| 1929 | RegionNull(®); |
| 1930 | pDRIPriv->nrWalked = 0; |
| 1931 | TraverseTree(pWin, DRITreeTraversal, (pointer) (®)); |
| 1932 | |
| 1933 | if (RegionNotEmpty(®)) { |
| 1934 | RegionTranslate(®, ptOldOrg.x - pWin->drawable.x, |
| 1935 | ptOldOrg.y - pWin->drawable.y); |
| 1936 | RegionIntersect(®, ®, prgnSrc); |
| 1937 | |
| 1938 | /* The MoveBuffers interface is not ideal */ |
| 1939 | (*pDRIPriv->pDriverInfo->MoveBuffers) (pWin, ptOldOrg, ®, |
| 1940 | pDRIPriv->pDriverInfo-> |
| 1941 | ddxDrawableTableEntry); |
| 1942 | } |
| 1943 | |
| 1944 | RegionUninit(®); |
| 1945 | } |
| 1946 | |
| 1947 | /* call lower wrapped functions */ |
| 1948 | if (pDRIPriv->wrap.CopyWindow) { |
| 1949 | /* unwrap */ |
| 1950 | pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow; |
| 1951 | |
| 1952 | /* call lower layers */ |
| 1953 | (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc); |
| 1954 | |
| 1955 | /* rewrap */ |
| 1956 | pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow; |
| 1957 | pScreen->CopyWindow = DRICopyWindow; |
| 1958 | } |
| 1959 | } |
| 1960 | |
| 1961 | static void |
| 1962 | DRIGetSecs(long *secs, long *usecs) |
| 1963 | { |
| 1964 | struct timeval tv; |
| 1965 | |
| 1966 | gettimeofday(&tv, NULL); |
| 1967 | |
| 1968 | *secs = tv.tv_sec; |
| 1969 | *usecs = tv.tv_usec; |
| 1970 | } |
| 1971 | |
| 1972 | static unsigned long |
| 1973 | DRIComputeMilliSeconds(unsigned long s_secs, unsigned long s_usecs, |
| 1974 | unsigned long f_secs, unsigned long f_usecs) |
| 1975 | { |
| 1976 | if (f_usecs < s_usecs) { |
| 1977 | --f_secs; |
| 1978 | f_usecs += 1000000; |
| 1979 | } |
| 1980 | return (f_secs - s_secs) * 1000 + (f_usecs - s_usecs) / 1000; |
| 1981 | } |
| 1982 | |
| 1983 | static void |
| 1984 | DRISpinLockTimeout(drmLock * lock, int val, unsigned long timeout /* in mS */ ) |
| 1985 | { |
| 1986 | int count = 10000; |
| 1987 | |
| 1988 | #if !defined(__alpha__) && !defined(__powerpc__) |
| 1989 | char ret; |
| 1990 | #else |
| 1991 | int ret; |
| 1992 | #endif |
| 1993 | long s_secs, s_usecs; |
| 1994 | long f_secs, f_usecs; |
| 1995 | long msecs; |
| 1996 | long prev = 0; |
| 1997 | |
| 1998 | DRIGetSecs(&s_secs, &s_usecs); |
| 1999 | |
| 2000 | do { |
| 2001 | DRM_SPINLOCK_COUNT(lock, val, count, ret); |
| 2002 | if (!ret) |
| 2003 | return; /* Got lock */ |
| 2004 | DRIGetSecs(&f_secs, &f_usecs); |
| 2005 | msecs = DRIComputeMilliSeconds(s_secs, s_usecs, f_secs, f_usecs); |
| 2006 | if (msecs - prev < 250) |
| 2007 | count *= 2; /* Not more than 0.5S */ |
| 2008 | } while (msecs < timeout); |
| 2009 | |
| 2010 | /* Didn't get lock, so take it. The worst |
| 2011 | that can happen is that there is some |
| 2012 | garbage written to the wrong part of the |
| 2013 | framebuffer that a refresh will repair. |
| 2014 | That's undesirable, but better than |
| 2015 | locking the server. This should be a |
| 2016 | very rare event. */ |
| 2017 | DRM_SPINLOCK_TAKE(lock, val); |
| 2018 | } |
| 2019 | |
| 2020 | static void |
| 2021 | DRILockTree(ScreenPtr pScreen) |
| 2022 | { |
| 2023 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2024 | |
| 2025 | if (!pDRIPriv) |
| 2026 | return; |
| 2027 | |
| 2028 | /* Restore the last known 3D context if the X context is hidden */ |
| 2029 | if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { |
| 2030 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 2031 | DRI_2D_SYNC, |
| 2032 | DRI_NO_CONTEXT, |
| 2033 | NULL, |
| 2034 | DRI_2D_CONTEXT, |
| 2035 | pDRIPriv->partial3DContextStore); |
| 2036 | } |
| 2037 | |
| 2038 | /* Call kernel to release lock */ |
| 2039 | DRIUnlock(pScreen); |
| 2040 | |
| 2041 | /* Grab drawable spin lock: a time out between 10 and 30 seconds is |
| 2042 | appropriate, since this should never time out except in the case of |
| 2043 | client death while the lock is being held. The timeout must be |
| 2044 | greater than any reasonable rendering time. */ |
| 2045 | DRISpinLockTimeout(&pDRIPriv->pSAREA->drawable_lock, 1, 10000); /*10 secs */ |
| 2046 | |
| 2047 | /* Call kernel flush outstanding buffers and relock */ |
| 2048 | DRILock(pScreen, DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH_ALL); |
| 2049 | |
| 2050 | /* Switch back to our 2D context if the X context is hidden */ |
| 2051 | if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) { |
| 2052 | /* hide X context by swapping 2D component here */ |
| 2053 | (*pDRIPriv->pDriverInfo->SwapContext) (pScreen, |
| 2054 | DRI_3D_SYNC, |
| 2055 | DRI_2D_CONTEXT, |
| 2056 | pDRIPriv->partial3DContextStore, |
| 2057 | DRI_2D_CONTEXT, |
| 2058 | pDRIPriv->hiddenContextStore); |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | int |
| 2063 | DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) |
| 2064 | { |
| 2065 | ScreenPtr pScreen = pParent->drawable.pScreen; |
| 2066 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2067 | |
| 2068 | int returnValue = 1; /* always return 1, not checked by dix/window.c */ |
| 2069 | |
| 2070 | if (!pDRIPriv) |
| 2071 | return returnValue; |
| 2072 | |
| 2073 | /* call lower wrapped functions */ |
| 2074 | if (pDRIPriv->wrap.ValidateTree) { |
| 2075 | /* unwrap */ |
| 2076 | pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree; |
| 2077 | |
| 2078 | /* call lower layers */ |
| 2079 | returnValue = (*pScreen->ValidateTree) (pParent, pChild, kind); |
| 2080 | |
| 2081 | /* rewrap */ |
| 2082 | pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree; |
| 2083 | pScreen->ValidateTree = DRIValidateTree; |
| 2084 | } |
| 2085 | |
| 2086 | return returnValue; |
| 2087 | } |
| 2088 | |
| 2089 | void |
| 2090 | DRIPostValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) |
| 2091 | { |
| 2092 | ScreenPtr pScreen; |
| 2093 | DRIScreenPrivPtr pDRIPriv; |
| 2094 | |
| 2095 | if (pParent) { |
| 2096 | pScreen = pParent->drawable.pScreen; |
| 2097 | } |
| 2098 | else { |
| 2099 | pScreen = pChild->drawable.pScreen; |
| 2100 | } |
| 2101 | if (!(pDRIPriv = DRI_SCREEN_PRIV(pScreen))) |
| 2102 | return; |
| 2103 | |
| 2104 | if (pDRIPriv->wrap.PostValidateTree) { |
| 2105 | /* unwrap */ |
| 2106 | pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree; |
| 2107 | |
| 2108 | /* call lower layers */ |
| 2109 | (*pScreen->PostValidateTree) (pParent, pChild, kind); |
| 2110 | |
| 2111 | /* rewrap */ |
| 2112 | pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree; |
| 2113 | pScreen->PostValidateTree = DRIPostValidateTree; |
| 2114 | } |
| 2115 | } |
| 2116 | |
| 2117 | void |
| 2118 | DRIClipNotify(WindowPtr pWin, int dx, int dy) |
| 2119 | { |
| 2120 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 2121 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2122 | DRIDrawablePrivPtr pDRIDrawablePriv; |
| 2123 | |
| 2124 | if (!pDRIPriv) |
| 2125 | return; |
| 2126 | |
| 2127 | if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) { |
| 2128 | int nrects = RegionNumRects(&pWin->clipList); |
| 2129 | |
| 2130 | if (!pDRIPriv->windowsTouched) { |
| 2131 | DRILockTree(pScreen); |
| 2132 | pDRIPriv->windowsTouched = TRUE; |
| 2133 | } |
| 2134 | |
| 2135 | if (nrects && !pDRIDrawablePriv->nrects) |
| 2136 | DRIIncreaseNumberVisible(pScreen); |
| 2137 | else if (!nrects && pDRIDrawablePriv->nrects) |
| 2138 | DRIDecreaseNumberVisible(pScreen); |
| 2139 | else |
| 2140 | DRIDriverClipNotify(pScreen); |
| 2141 | |
| 2142 | pDRIDrawablePriv->nrects = nrects; |
| 2143 | |
| 2144 | pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp |
| 2145 | = DRIDrawableValidationStamp++; |
| 2146 | |
| 2147 | drmUpdateDrawableInfo(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable, |
| 2148 | DRM_DRAWABLE_CLIPRECTS, |
| 2149 | nrects, RegionRects(&pWin->clipList)); |
| 2150 | } |
| 2151 | |
| 2152 | /* call lower wrapped functions */ |
| 2153 | if (pDRIPriv->wrap.ClipNotify) { |
| 2154 | |
| 2155 | /* unwrap */ |
| 2156 | pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify; |
| 2157 | |
| 2158 | /* call lower layers */ |
| 2159 | (*pScreen->ClipNotify) (pWin, dx, dy); |
| 2160 | |
| 2161 | /* rewrap */ |
| 2162 | pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify; |
| 2163 | pScreen->ClipNotify = DRIClipNotify; |
| 2164 | } |
| 2165 | } |
| 2166 | |
| 2167 | CARD32 |
| 2168 | DRIGetDrawableIndex(WindowPtr pWin) |
| 2169 | { |
| 2170 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 2171 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2172 | DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin); |
| 2173 | CARD32 index; |
| 2174 | |
| 2175 | if (pDRIDrawablePriv) { |
| 2176 | index = pDRIDrawablePriv->drawableIndex; |
| 2177 | } |
| 2178 | else { |
| 2179 | index = pDRIPriv->pDriverInfo->ddxDrawableTableEntry; |
| 2180 | } |
| 2181 | |
| 2182 | return index; |
| 2183 | } |
| 2184 | |
| 2185 | unsigned int |
| 2186 | DRIGetDrawableStamp(ScreenPtr pScreen, CARD32 drawable_index) |
| 2187 | { |
| 2188 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2189 | |
| 2190 | return pDRIPriv->pSAREA->drawableTable[drawable_index].stamp; |
| 2191 | } |
| 2192 | |
| 2193 | void |
| 2194 | DRIPrintDrawableLock(ScreenPtr pScreen, char *msg) |
| 2195 | { |
| 2196 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2197 | |
| 2198 | ErrorF("%s: %d\n", msg, pDRIPriv->pSAREA->drawable_lock.lock); |
| 2199 | } |
| 2200 | |
| 2201 | void |
| 2202 | DRILock(ScreenPtr pScreen, int flags) |
| 2203 | { |
| 2204 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2205 | |
| 2206 | if (!pDRIPriv || !pDRIPriv->pLockRefCount) |
| 2207 | return; |
| 2208 | |
| 2209 | if (!*pDRIPriv->pLockRefCount) { |
| 2210 | DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext, |
| 2211 | flags); |
| 2212 | *pDRIPriv->pLockingContext = pDRIPriv->myContext; |
| 2213 | } |
| 2214 | else if (*pDRIPriv->pLockingContext != pDRIPriv->myContext) { |
| 2215 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 2216 | "[DRI] Locking deadlock.\n" |
| 2217 | "\tAlready locked with context %d,\n" |
| 2218 | "\ttrying to lock with context %d.\n", |
| 2219 | pDRIPriv->pLockingContext, pDRIPriv->myContext); |
| 2220 | } |
| 2221 | (*pDRIPriv->pLockRefCount)++; |
| 2222 | } |
| 2223 | |
| 2224 | void |
| 2225 | DRIUnlock(ScreenPtr pScreen) |
| 2226 | { |
| 2227 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2228 | |
| 2229 | if (!pDRIPriv || !pDRIPriv->pLockRefCount) |
| 2230 | return; |
| 2231 | |
| 2232 | if (*pDRIPriv->pLockRefCount > 0) { |
| 2233 | if (pDRIPriv->myContext != *pDRIPriv->pLockingContext) { |
| 2234 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 2235 | "[DRI] Unlocking inconsistency:\n" |
| 2236 | "\tContext %d trying to unlock lock held by context %d\n", |
| 2237 | pDRIPriv->pLockingContext, pDRIPriv->myContext); |
| 2238 | } |
| 2239 | (*pDRIPriv->pLockRefCount)--; |
| 2240 | } |
| 2241 | else { |
| 2242 | DRIDrvMsg(pScreen->myNum, X_ERROR, |
| 2243 | "DRIUnlock called when not locked.\n"); |
| 2244 | return; |
| 2245 | } |
| 2246 | if (!*pDRIPriv->pLockRefCount) |
| 2247 | DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext); |
| 2248 | } |
| 2249 | |
| 2250 | void * |
| 2251 | DRIGetSAREAPrivate(ScreenPtr pScreen) |
| 2252 | { |
| 2253 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2254 | |
| 2255 | if (!pDRIPriv) |
| 2256 | return 0; |
| 2257 | |
| 2258 | return (void *) (((char *) pDRIPriv->pSAREA) + sizeof(XF86DRISAREARec)); |
| 2259 | } |
| 2260 | |
| 2261 | drm_context_t |
| 2262 | DRIGetContext(ScreenPtr pScreen) |
| 2263 | { |
| 2264 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2265 | |
| 2266 | if (!pDRIPriv) |
| 2267 | return 0; |
| 2268 | |
| 2269 | return pDRIPriv->myContext; |
| 2270 | } |
| 2271 | |
| 2272 | void |
| 2273 | DRIGetTexOffsetFuncs(ScreenPtr pScreen, |
| 2274 | DRITexOffsetStartProcPtr * texOffsetStartFunc, |
| 2275 | DRITexOffsetFinishProcPtr * texOffsetFinishFunc) |
| 2276 | { |
| 2277 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2278 | |
| 2279 | if (!pDRIPriv) |
| 2280 | return; |
| 2281 | |
| 2282 | *texOffsetStartFunc = pDRIPriv->pDriverInfo->texOffsetStart; |
| 2283 | *texOffsetFinishFunc = pDRIPriv->pDriverInfo->texOffsetFinish; |
| 2284 | } |
| 2285 | |
| 2286 | /* This lets get at the unwrapped functions so that they can correctly |
| 2287 | * call the lowerlevel functions, and choose whether they will be |
| 2288 | * called at every level of recursion (eg in validatetree). |
| 2289 | */ |
| 2290 | DRIWrappedFuncsRec * |
| 2291 | DRIGetWrappedFuncs(ScreenPtr pScreen) |
| 2292 | { |
| 2293 | return &(DRI_SCREEN_PRIV(pScreen)->wrap); |
| 2294 | } |
| 2295 | |
| 2296 | /* note that this returns the library version, not the protocol version */ |
| 2297 | void |
| 2298 | DRIQueryVersion(int *majorVersion, int *minorVersion, int *patchVersion) |
| 2299 | { |
| 2300 | *majorVersion = DRIINFO_MAJOR_VERSION; |
| 2301 | *minorVersion = DRIINFO_MINOR_VERSION; |
| 2302 | *patchVersion = DRIINFO_PATCH_VERSION; |
| 2303 | } |
| 2304 | |
| 2305 | static void |
| 2306 | _DRIAdjustFrame(ScrnInfoPtr pScrn, DRIScreenPrivPtr pDRIPriv, int x, int y) |
| 2307 | { |
| 2308 | pDRIPriv->pSAREA->frame.x = x; |
| 2309 | pDRIPriv->pSAREA->frame.y = y; |
| 2310 | pDRIPriv->pSAREA->frame.width = pScrn->frameX1 - x + 1; |
| 2311 | pDRIPriv->pSAREA->frame.height = pScrn->frameY1 - y + 1; |
| 2312 | } |
| 2313 | |
| 2314 | void |
| 2315 | DRIAdjustFrame(ScrnInfoPtr pScrn, int x, int y) |
| 2316 | { |
| 2317 | ScreenPtr pScreen = xf86ScrnToScreen(pScrn); |
| 2318 | DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen); |
| 2319 | int px, py; |
| 2320 | |
| 2321 | if (!pDRIPriv || !pDRIPriv->pSAREA) { |
| 2322 | DRIDrvMsg(pScrn->scrnIndex, X_ERROR, "[DRI] No SAREA (%p %p)\n", |
| 2323 | pDRIPriv, pDRIPriv ? pDRIPriv->pSAREA : NULL); |
| 2324 | return; |
| 2325 | } |
| 2326 | |
| 2327 | if (pDRIPriv->fullscreen) { |
| 2328 | /* Fix up frame */ |
| 2329 | pScrn->frameX0 = pDRIPriv->pSAREA->frame.x; |
| 2330 | pScrn->frameY0 = pDRIPriv->pSAREA->frame.y; |
| 2331 | pScrn->frameX1 = pScrn->frameX0 + pDRIPriv->pSAREA->frame.width - 1; |
| 2332 | pScrn->frameY1 = pScrn->frameY0 + pDRIPriv->pSAREA->frame.height - 1; |
| 2333 | |
| 2334 | /* Fix up cursor */ |
| 2335 | miPointerGetPosition(inputInfo.pointer, &px, &py); |
| 2336 | |
| 2337 | if (px < pScrn->frameX0) |
| 2338 | px = pScrn->frameX0; |
| 2339 | if (px > pScrn->frameX1) |
| 2340 | px = pScrn->frameX1; |
| 2341 | if (py < pScrn->frameY0) |
| 2342 | py = pScrn->frameY0; |
| 2343 | if (py > pScrn->frameY1) |
| 2344 | py = pScrn->frameY1; |
| 2345 | pScreen->SetCursorPosition(inputInfo.pointer, pScreen, px, py, TRUE); |
| 2346 | |
| 2347 | return; |
| 2348 | } |
| 2349 | |
| 2350 | if (pDRIPriv->wrap.AdjustFrame) { |
| 2351 | /* unwrap */ |
| 2352 | pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame; |
| 2353 | /* call lower layers */ |
| 2354 | (*pScrn->AdjustFrame) (pScrn, x, y); |
| 2355 | /* rewrap */ |
| 2356 | pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame; |
| 2357 | pScrn->AdjustFrame = DRIAdjustFrame; |
| 2358 | } |
| 2359 | |
| 2360 | _DRIAdjustFrame(pScrn, pDRIPriv, x, y); |
| 2361 | } |
| 2362 | |
| 2363 | /* |
| 2364 | * DRIMoveBuffersHelper swaps the regions rects in place leaving you |
| 2365 | * a region with the rects in the order that you need to blit them, |
| 2366 | * but it is possibly (likely) an invalid region afterwards. If you |
| 2367 | * need to use the region again for anything you have to call |
| 2368 | * REGION_VALIDATE on it, or better yet, save a copy first. |
| 2369 | */ |
| 2370 | |
| 2371 | void |
| 2372 | DRIMoveBuffersHelper(ScreenPtr pScreen, |
| 2373 | int dx, int dy, int *xdir, int *ydir, RegionPtr reg) |
| 2374 | { |
| 2375 | BoxPtr extents, pbox, firstBox, lastBox; |
| 2376 | BoxRec tmpBox; |
| 2377 | int y, nbox; |
| 2378 | |
| 2379 | extents = RegionExtents(reg); |
| 2380 | nbox = RegionNumRects(reg); |
| 2381 | pbox = RegionRects(reg); |
| 2382 | |
| 2383 | if ((dy > 0) && (dy < (extents->y2 - extents->y1))) { |
| 2384 | *ydir = -1; |
| 2385 | if (nbox > 1) { |
| 2386 | firstBox = pbox; |
| 2387 | lastBox = pbox + nbox - 1; |
| 2388 | while ((unsigned long) firstBox < (unsigned long) lastBox) { |
| 2389 | tmpBox = *firstBox; |
| 2390 | *firstBox = *lastBox; |
| 2391 | *lastBox = tmpBox; |
| 2392 | firstBox++; |
| 2393 | lastBox--; |
| 2394 | } |
| 2395 | } |
| 2396 | } |
| 2397 | else |
| 2398 | *ydir = 1; |
| 2399 | |
| 2400 | if ((dx > 0) && (dx < (extents->x2 - extents->x1))) { |
| 2401 | *xdir = -1; |
| 2402 | if (nbox > 1) { |
| 2403 | firstBox = lastBox = pbox; |
| 2404 | y = pbox->y1; |
| 2405 | while (--nbox) { |
| 2406 | pbox++; |
| 2407 | if (pbox->y1 == y) |
| 2408 | lastBox++; |
| 2409 | else { |
| 2410 | while ((unsigned long) firstBox < (unsigned long) lastBox) { |
| 2411 | tmpBox = *firstBox; |
| 2412 | *firstBox = *lastBox; |
| 2413 | *lastBox = tmpBox; |
| 2414 | firstBox++; |
| 2415 | lastBox--; |
| 2416 | } |
| 2417 | |
| 2418 | firstBox = lastBox = pbox; |
| 2419 | y = pbox->y1; |
| 2420 | } |
| 2421 | } |
| 2422 | while ((unsigned long) firstBox < (unsigned long) lastBox) { |
| 2423 | tmpBox = *firstBox; |
| 2424 | *firstBox = *lastBox; |
| 2425 | *lastBox = tmpBox; |
| 2426 | firstBox++; |
| 2427 | lastBox--; |
| 2428 | } |
| 2429 | } |
| 2430 | } |
| 2431 | else |
| 2432 | *xdir = 1; |
| 2433 | |
| 2434 | } |
| 2435 | |
| 2436 | char * |
| 2437 | DRICreatePCIBusID(const struct pci_device *dev) |
| 2438 | { |
| 2439 | char *busID; |
| 2440 | |
| 2441 | if (asprintf(&busID, "pci:%04x:%02x:%02x.%d", |
| 2442 | dev->domain, dev->bus, dev->dev, dev->func) == -1) |
| 2443 | return NULL; |
| 2444 | |
| 2445 | return busID; |
| 2446 | } |
| 2447 | |
| 2448 | static void |
| 2449 | drmSIGIOHandler(int interrupt, void *closure) |
| 2450 | { |
| 2451 | unsigned long key; |
| 2452 | void *value; |
| 2453 | ssize_t count; |
| 2454 | drm_ctx_t ctx; |
| 2455 | typedef void (*_drmCallback) (int, void *, void *); |
| 2456 | char buf[256]; |
| 2457 | drm_context_t old; |
| 2458 | drm_context_t new; |
| 2459 | void *oldctx; |
| 2460 | void *newctx; |
| 2461 | char *pt; |
| 2462 | drmHashEntry *entry; |
| 2463 | void *hash_table; |
| 2464 | |
| 2465 | hash_table = drmGetHashTable(); |
| 2466 | |
| 2467 | if (!hash_table) |
| 2468 | return; |
| 2469 | if (drmHashFirst(hash_table, &key, &value)) { |
| 2470 | entry = value; |
| 2471 | do { |
| 2472 | #if 0 |
| 2473 | fprintf(stderr, "Trying %d\n", entry->fd); |
| 2474 | #endif |
| 2475 | if ((count = read(entry->fd, buf, sizeof(buf) - 1)) > 0) { |
| 2476 | buf[count] = '\0'; |
| 2477 | #if 0 |
| 2478 | fprintf(stderr, "Got %s\n", buf); |
| 2479 | #endif |
| 2480 | |
| 2481 | for (pt = buf; *pt != ' '; ++pt); /* Find first space */ |
| 2482 | ++pt; |
| 2483 | old = strtol(pt, &pt, 0); |
| 2484 | new = strtol(pt, NULL, 0); |
| 2485 | oldctx = drmGetContextTag(entry->fd, old); |
| 2486 | newctx = drmGetContextTag(entry->fd, new); |
| 2487 | #if 0 |
| 2488 | fprintf(stderr, "%d %d %p %p\n", old, new, oldctx, newctx); |
| 2489 | #endif |
| 2490 | ((_drmCallback) entry->f) (entry->fd, oldctx, newctx); |
| 2491 | ctx.handle = new; |
| 2492 | ioctl(entry->fd, DRM_IOCTL_NEW_CTX, &ctx); |
| 2493 | } |
| 2494 | } while (drmHashNext(hash_table, &key, &value)); |
| 2495 | } |
| 2496 | } |
| 2497 | |
| 2498 | int |
| 2499 | drmInstallSIGIOHandler(int fd, void (*f) (int, void *, void *)) |
| 2500 | { |
| 2501 | drmHashEntry *entry; |
| 2502 | |
| 2503 | entry = drmGetEntry(fd); |
| 2504 | entry->f = f; |
| 2505 | |
| 2506 | return xf86InstallSIGIOHandler(fd, drmSIGIOHandler, 0); |
| 2507 | } |
| 2508 | |
| 2509 | int |
| 2510 | drmRemoveSIGIOHandler(int fd) |
| 2511 | { |
| 2512 | drmHashEntry *entry = drmGetEntry(fd); |
| 2513 | |
| 2514 | entry->f = NULL; |
| 2515 | |
| 2516 | return xf86RemoveSIGIOHandler(fd); |
| 2517 | } |