| 1 | /* |
| 2 | * Copyright (c) 1995 Jon Tombs |
| 3 | * Copyright (c) 1995, 1996, 1999 XFree86 Inc |
| 4 | * Copyright (c) 1998-2002 by The XFree86 Project, Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Except as contained in this notice, the name of the copyright holder(s) |
| 25 | * and author(s) shall not be used in advertising or otherwise to promote |
| 26 | * the sale, use or other dealings in this Software without prior written |
| 27 | * authorization from the copyright holder(s) and author(s). |
| 28 | * |
| 29 | * Written by Mark Vojkovich |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | * This is quite literally just two files glued together: |
| 34 | * hw/xfree86/common/xf86DGA.c is the first part, and |
| 35 | * hw/xfree86/dixmods/extmod/xf86dga2.c is the second part. One day, if |
| 36 | * someone actually cares about DGA, it'd be nice to clean this up. But trust |
| 37 | * me, I am not that person. |
| 38 | */ |
| 39 | |
| 40 | #ifdef HAVE_XORG_CONFIG_H |
| 41 | #include <xorg-config.h> |
| 42 | #endif |
| 43 | |
| 44 | #include <X11/X.h> |
| 45 | #include <X11/Xproto.h> |
| 46 | #include "xf86.h" |
| 47 | #include "xf86str.h" |
| 48 | #include "xf86Priv.h" |
| 49 | #include "dgaproc.h" |
| 50 | #include <X11/extensions/xf86dgaproto.h> |
| 51 | #include "colormapst.h" |
| 52 | #include "pixmapstr.h" |
| 53 | #include "inputstr.h" |
| 54 | #include "globals.h" |
| 55 | #include "servermd.h" |
| 56 | #include "micmap.h" |
| 57 | #include "xkbsrv.h" |
| 58 | #include "xf86Xinput.h" |
| 59 | #include "exglobals.h" |
| 60 | #include "exevents.h" |
| 61 | #include "eventstr.h" |
| 62 | #include "eventconvert.h" |
| 63 | #include "xf86Extensions.h" |
| 64 | |
| 65 | #include "mi.h" |
| 66 | |
| 67 | #include "misc.h" |
| 68 | #include "dixstruct.h" |
| 69 | #include "dixevents.h" |
| 70 | #include "extnsionst.h" |
| 71 | #include "cursorstr.h" |
| 72 | #include "scrnintstr.h" |
| 73 | #include "swaprep.h" |
| 74 | #include "dgaproc.h" |
| 75 | #include "protocol-versions.h" |
| 76 | |
| 77 | #include <string.h> |
| 78 | |
| 79 | #define DGA_PROTOCOL_OLD_SUPPORT 1 |
| 80 | |
| 81 | static DevPrivateKeyRec DGAScreenKeyRec; |
| 82 | |
| 83 | #define DGAScreenKeyRegistered dixPrivateKeyRegistered(&DGAScreenKeyRec) |
| 84 | static Bool mieq_installed; |
| 85 | |
| 86 | static Bool DGACloseScreen(ScreenPtr pScreen); |
| 87 | static void DGADestroyColormap(ColormapPtr pmap); |
| 88 | static void DGAInstallColormap(ColormapPtr pmap); |
| 89 | static void DGAUninstallColormap(ColormapPtr pmap); |
| 90 | static void DGAHandleEvent(int screen_num, InternalEvent *event, |
| 91 | DeviceIntPtr device); |
| 92 | |
| 93 | static void |
| 94 | DGACopyModeInfo(DGAModePtr mode, XDGAModePtr xmode); |
| 95 | |
| 96 | static unsigned char DGAReqCode = 0; |
| 97 | static int DGAErrorBase; |
| 98 | static int DGAEventBase; |
| 99 | |
| 100 | #define DGA_GET_SCREEN_PRIV(pScreen) ((DGAScreenPtr) \ |
| 101 | dixLookupPrivate(&(pScreen)->devPrivates, &DGAScreenKeyRec)) |
| 102 | |
| 103 | typedef struct _FakedVisualList { |
| 104 | Bool free; |
| 105 | VisualPtr pVisual; |
| 106 | struct _FakedVisualList *next; |
| 107 | } FakedVisualList; |
| 108 | |
| 109 | typedef struct { |
| 110 | ScrnInfoPtr pScrn; |
| 111 | int numModes; |
| 112 | DGAModePtr modes; |
| 113 | CloseScreenProcPtr CloseScreen; |
| 114 | DestroyColormapProcPtr DestroyColormap; |
| 115 | InstallColormapProcPtr InstallColormap; |
| 116 | UninstallColormapProcPtr UninstallColormap; |
| 117 | DGADevicePtr current; |
| 118 | DGAFunctionPtr funcs; |
| 119 | int input; |
| 120 | ClientPtr client; |
| 121 | int pixmapMode; |
| 122 | FakedVisualList *fakedVisuals; |
| 123 | ColormapPtr dgaColormap; |
| 124 | ColormapPtr savedColormap; |
| 125 | Bool grabMouse; |
| 126 | Bool grabKeyboard; |
| 127 | } DGAScreenRec, *DGAScreenPtr; |
| 128 | |
| 129 | Bool |
| 130 | DGAInit(ScreenPtr pScreen, DGAFunctionPtr funcs, DGAModePtr modes, int num) |
| 131 | { |
| 132 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 133 | DGAScreenPtr pScreenPriv; |
| 134 | int i; |
| 135 | |
| 136 | if (!funcs || !funcs->SetMode || !funcs->OpenFramebuffer) |
| 137 | return FALSE; |
| 138 | |
| 139 | if (!modes || num <= 0) |
| 140 | return FALSE; |
| 141 | |
| 142 | if (!dixRegisterPrivateKey(&DGAScreenKeyRec, PRIVATE_SCREEN, 0)) |
| 143 | return FALSE; |
| 144 | |
| 145 | pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 146 | |
| 147 | if (!pScreenPriv) { |
| 148 | if (!(pScreenPriv = (DGAScreenPtr) malloc(sizeof(DGAScreenRec)))) |
| 149 | return FALSE; |
| 150 | dixSetPrivate(&pScreen->devPrivates, &DGAScreenKeyRec, pScreenPriv); |
| 151 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
| 152 | pScreen->CloseScreen = DGACloseScreen; |
| 153 | pScreenPriv->DestroyColormap = pScreen->DestroyColormap; |
| 154 | pScreen->DestroyColormap = DGADestroyColormap; |
| 155 | pScreenPriv->InstallColormap = pScreen->InstallColormap; |
| 156 | pScreen->InstallColormap = DGAInstallColormap; |
| 157 | pScreenPriv->UninstallColormap = pScreen->UninstallColormap; |
| 158 | pScreen->UninstallColormap = DGAUninstallColormap; |
| 159 | } |
| 160 | |
| 161 | pScreenPriv->pScrn = pScrn; |
| 162 | pScreenPriv->numModes = num; |
| 163 | pScreenPriv->modes = modes; |
| 164 | pScreenPriv->current = NULL; |
| 165 | |
| 166 | pScreenPriv->funcs = funcs; |
| 167 | pScreenPriv->input = 0; |
| 168 | pScreenPriv->client = NULL; |
| 169 | pScreenPriv->fakedVisuals = NULL; |
| 170 | pScreenPriv->dgaColormap = NULL; |
| 171 | pScreenPriv->savedColormap = NULL; |
| 172 | pScreenPriv->grabMouse = FALSE; |
| 173 | pScreenPriv->grabKeyboard = FALSE; |
| 174 | |
| 175 | for (i = 0; i < num; i++) |
| 176 | modes[i].num = i + 1; |
| 177 | |
| 178 | #ifdef PANORAMIX |
| 179 | if (!noPanoramiXExtension) |
| 180 | for (i = 0; i < num; i++) |
| 181 | modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; |
| 182 | #endif |
| 183 | |
| 184 | return TRUE; |
| 185 | } |
| 186 | |
| 187 | /* DGAReInitModes allows the driver to re-initialize |
| 188 | * the DGA mode list. |
| 189 | */ |
| 190 | |
| 191 | Bool |
| 192 | DGAReInitModes(ScreenPtr pScreen, DGAModePtr modes, int num) |
| 193 | { |
| 194 | DGAScreenPtr pScreenPriv; |
| 195 | int i; |
| 196 | |
| 197 | /* No DGA? Ignore call (but don't make it look like it failed) */ |
| 198 | if (!DGAScreenKeyRegistered) |
| 199 | return TRUE; |
| 200 | |
| 201 | pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 202 | |
| 203 | /* Same as above */ |
| 204 | if (!pScreenPriv) |
| 205 | return TRUE; |
| 206 | |
| 207 | /* Can't do this while DGA is active */ |
| 208 | if (pScreenPriv->current) |
| 209 | return FALSE; |
| 210 | |
| 211 | /* Quick sanity check */ |
| 212 | if (!num) |
| 213 | modes = NULL; |
| 214 | else if (!modes) |
| 215 | num = 0; |
| 216 | |
| 217 | pScreenPriv->numModes = num; |
| 218 | pScreenPriv->modes = modes; |
| 219 | |
| 220 | /* This practically disables DGA. So be it. */ |
| 221 | if (!num) |
| 222 | return TRUE; |
| 223 | |
| 224 | for (i = 0; i < num; i++) |
| 225 | modes[i].num = i + 1; |
| 226 | |
| 227 | #ifdef PANORAMIX |
| 228 | if (!noPanoramiXExtension) |
| 229 | for (i = 0; i < num; i++) |
| 230 | modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; |
| 231 | #endif |
| 232 | |
| 233 | return TRUE; |
| 234 | } |
| 235 | |
| 236 | static void |
| 237 | FreeMarkedVisuals(ScreenPtr pScreen) |
| 238 | { |
| 239 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 240 | FakedVisualList *prev, *curr, *tmp; |
| 241 | |
| 242 | if (!pScreenPriv->fakedVisuals) |
| 243 | return; |
| 244 | |
| 245 | prev = NULL; |
| 246 | curr = pScreenPriv->fakedVisuals; |
| 247 | |
| 248 | while (curr) { |
| 249 | if (curr->free) { |
| 250 | tmp = curr; |
| 251 | curr = curr->next; |
| 252 | if (prev) |
| 253 | prev->next = curr; |
| 254 | else |
| 255 | pScreenPriv->fakedVisuals = curr; |
| 256 | free(tmp->pVisual); |
| 257 | free(tmp); |
| 258 | } |
| 259 | else { |
| 260 | prev = curr; |
| 261 | curr = curr->next; |
| 262 | } |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | static Bool |
| 267 | DGACloseScreen(ScreenPtr pScreen) |
| 268 | { |
| 269 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 270 | |
| 271 | if (mieq_installed) { |
| 272 | mieqSetHandler(ET_DGAEvent, NULL); |
| 273 | mieq_installed = FALSE; |
| 274 | } |
| 275 | |
| 276 | FreeMarkedVisuals(pScreen); |
| 277 | |
| 278 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
| 279 | pScreen->DestroyColormap = pScreenPriv->DestroyColormap; |
| 280 | pScreen->InstallColormap = pScreenPriv->InstallColormap; |
| 281 | pScreen->UninstallColormap = pScreenPriv->UninstallColormap; |
| 282 | |
| 283 | /* DGAShutdown() should have ensured that no DGA |
| 284 | screen were active by here */ |
| 285 | |
| 286 | free(pScreenPriv); |
| 287 | |
| 288 | return ((*pScreen->CloseScreen) (pScreen)); |
| 289 | } |
| 290 | |
| 291 | static void |
| 292 | DGADestroyColormap(ColormapPtr pmap) |
| 293 | { |
| 294 | ScreenPtr pScreen = pmap->pScreen; |
| 295 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 296 | VisualPtr pVisual = pmap->pVisual; |
| 297 | |
| 298 | if (pScreenPriv->fakedVisuals) { |
| 299 | FakedVisualList *curr = pScreenPriv->fakedVisuals; |
| 300 | |
| 301 | while (curr) { |
| 302 | if (curr->pVisual == pVisual) { |
| 303 | /* We can't get rid of them yet since FreeColormap |
| 304 | still needs the pVisual during the cleanup */ |
| 305 | curr->free = TRUE; |
| 306 | break; |
| 307 | } |
| 308 | curr = curr->next; |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | if (pScreenPriv->DestroyColormap) { |
| 313 | pScreen->DestroyColormap = pScreenPriv->DestroyColormap; |
| 314 | (*pScreen->DestroyColormap) (pmap); |
| 315 | pScreen->DestroyColormap = DGADestroyColormap; |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | static void |
| 320 | DGAInstallColormap(ColormapPtr pmap) |
| 321 | { |
| 322 | ScreenPtr pScreen = pmap->pScreen; |
| 323 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 324 | |
| 325 | if (pScreenPriv->current && pScreenPriv->dgaColormap) { |
| 326 | if (pmap != pScreenPriv->dgaColormap) { |
| 327 | pScreenPriv->savedColormap = pmap; |
| 328 | pmap = pScreenPriv->dgaColormap; |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | pScreen->InstallColormap = pScreenPriv->InstallColormap; |
| 333 | (*pScreen->InstallColormap) (pmap); |
| 334 | pScreen->InstallColormap = DGAInstallColormap; |
| 335 | } |
| 336 | |
| 337 | static void |
| 338 | DGAUninstallColormap(ColormapPtr pmap) |
| 339 | { |
| 340 | ScreenPtr pScreen = pmap->pScreen; |
| 341 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 342 | |
| 343 | if (pScreenPriv->current && pScreenPriv->dgaColormap) { |
| 344 | if (pmap == pScreenPriv->dgaColormap) { |
| 345 | pScreenPriv->dgaColormap = NULL; |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | pScreen->UninstallColormap = pScreenPriv->UninstallColormap; |
| 350 | (*pScreen->UninstallColormap) (pmap); |
| 351 | pScreen->UninstallColormap = DGAUninstallColormap; |
| 352 | } |
| 353 | |
| 354 | int |
| 355 | xf86SetDGAMode(ScrnInfoPtr pScrn, int num, DGADevicePtr devRet) |
| 356 | { |
| 357 | ScreenPtr pScreen = xf86ScrnToScreen(pScrn); |
| 358 | DGAScreenPtr pScreenPriv; |
| 359 | DGADevicePtr device; |
| 360 | PixmapPtr pPix = NULL; |
| 361 | DGAModePtr pMode = NULL; |
| 362 | |
| 363 | /* First check if DGAInit was successful on this screen */ |
| 364 | if (!DGAScreenKeyRegistered) |
| 365 | return BadValue; |
| 366 | pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 367 | if (!pScreenPriv) |
| 368 | return BadValue; |
| 369 | |
| 370 | if (!num) { |
| 371 | if (pScreenPriv->current) { |
| 372 | PixmapPtr oldPix = pScreenPriv->current->pPix; |
| 373 | |
| 374 | if (oldPix) { |
| 375 | if (oldPix->drawable.id) |
| 376 | FreeResource(oldPix->drawable.id, RT_NONE); |
| 377 | else |
| 378 | (*pScreen->DestroyPixmap) (oldPix); |
| 379 | } |
| 380 | free(pScreenPriv->current); |
| 381 | pScreenPriv->current = NULL; |
| 382 | pScrn->vtSema = TRUE; |
| 383 | (*pScreenPriv->funcs->SetMode) (pScrn, NULL); |
| 384 | if (pScreenPriv->savedColormap) { |
| 385 | (*pScreen->InstallColormap) (pScreenPriv->savedColormap); |
| 386 | pScreenPriv->savedColormap = NULL; |
| 387 | } |
| 388 | pScreenPriv->dgaColormap = NULL; |
| 389 | (*pScrn->EnableDisableFBAccess) (pScrn, TRUE); |
| 390 | |
| 391 | FreeMarkedVisuals(pScreen); |
| 392 | } |
| 393 | |
| 394 | pScreenPriv->grabMouse = FALSE; |
| 395 | pScreenPriv->grabKeyboard = FALSE; |
| 396 | |
| 397 | return Success; |
| 398 | } |
| 399 | |
| 400 | if (!pScrn->vtSema && !pScreenPriv->current) /* Really switched away */ |
| 401 | return BadAlloc; |
| 402 | |
| 403 | if ((num > 0) && (num <= pScreenPriv->numModes)) |
| 404 | pMode = &(pScreenPriv->modes[num - 1]); |
| 405 | else |
| 406 | return BadValue; |
| 407 | |
| 408 | if (!(device = (DGADevicePtr) malloc(sizeof(DGADeviceRec)))) |
| 409 | return BadAlloc; |
| 410 | |
| 411 | if (!pScreenPriv->current) { |
| 412 | Bool oldVTSema = pScrn->vtSema; |
| 413 | |
| 414 | pScrn->vtSema = FALSE; /* kludge until we rewrite VT switching */ |
| 415 | (*pScrn->EnableDisableFBAccess) (pScrn, FALSE); |
| 416 | pScrn->vtSema = oldVTSema; |
| 417 | } |
| 418 | |
| 419 | if (!(*pScreenPriv->funcs->SetMode) (pScrn, pMode)) { |
| 420 | free(device); |
| 421 | return BadAlloc; |
| 422 | } |
| 423 | |
| 424 | pScrn->currentMode = pMode->mode; |
| 425 | |
| 426 | if (!pScreenPriv->current && !pScreenPriv->input) { |
| 427 | /* if it's multihead we need to warp the cursor off of |
| 428 | our screen so it doesn't get trapped */ |
| 429 | } |
| 430 | |
| 431 | pScrn->vtSema = FALSE; |
| 432 | |
| 433 | if (pScreenPriv->current) { |
| 434 | PixmapPtr oldPix = pScreenPriv->current->pPix; |
| 435 | |
| 436 | if (oldPix) { |
| 437 | if (oldPix->drawable.id) |
| 438 | FreeResource(oldPix->drawable.id, RT_NONE); |
| 439 | else |
| 440 | (*pScreen->DestroyPixmap) (oldPix); |
| 441 | } |
| 442 | free(pScreenPriv->current); |
| 443 | pScreenPriv->current = NULL; |
| 444 | } |
| 445 | |
| 446 | if (pMode->flags & DGA_PIXMAP_AVAILABLE) { |
| 447 | if ((pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, pMode->depth, 0))) { |
| 448 | (*pScreen->ModifyPixmapHeader) (pPix, |
| 449 | pMode->pixmapWidth, |
| 450 | pMode->pixmapHeight, pMode->depth, |
| 451 | pMode->bitsPerPixel, |
| 452 | pMode->bytesPerScanline, |
| 453 | (pointer) (pMode->address)); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | devRet->mode = device->mode = pMode; |
| 458 | devRet->pPix = device->pPix = pPix; |
| 459 | pScreenPriv->current = device; |
| 460 | pScreenPriv->pixmapMode = FALSE; |
| 461 | pScreenPriv->grabMouse = TRUE; |
| 462 | pScreenPriv->grabKeyboard = TRUE; |
| 463 | |
| 464 | if (!mieq_installed) { |
| 465 | mieqSetHandler(ET_DGAEvent, DGAHandleEvent); |
| 466 | mieq_installed = TRUE; |
| 467 | } |
| 468 | |
| 469 | return Success; |
| 470 | } |
| 471 | |
| 472 | /*********** exported ones ***************/ |
| 473 | |
| 474 | void |
| 475 | DGASetInputMode(int index, Bool keyboard, Bool mouse) |
| 476 | { |
| 477 | ScreenPtr pScreen = screenInfo.screens[index]; |
| 478 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 479 | |
| 480 | if (pScreenPriv) { |
| 481 | pScreenPriv->grabMouse = mouse; |
| 482 | pScreenPriv->grabKeyboard = keyboard; |
| 483 | |
| 484 | if (!mieq_installed) { |
| 485 | mieqSetHandler(ET_DGAEvent, DGAHandleEvent); |
| 486 | mieq_installed = TRUE; |
| 487 | } |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | Bool |
| 492 | DGAChangePixmapMode(int index, int *x, int *y, int mode) |
| 493 | { |
| 494 | DGAScreenPtr pScreenPriv; |
| 495 | DGADevicePtr pDev; |
| 496 | DGAModePtr pMode; |
| 497 | PixmapPtr pPix; |
| 498 | |
| 499 | if (!DGAScreenKeyRegistered) |
| 500 | return FALSE; |
| 501 | |
| 502 | pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 503 | |
| 504 | if (!pScreenPriv || !pScreenPriv->current || !pScreenPriv->current->pPix) |
| 505 | return FALSE; |
| 506 | |
| 507 | pDev = pScreenPriv->current; |
| 508 | pPix = pDev->pPix; |
| 509 | pMode = pDev->mode; |
| 510 | |
| 511 | if (mode) { |
| 512 | int shift = 2; |
| 513 | |
| 514 | if (*x > (pMode->pixmapWidth - pMode->viewportWidth)) |
| 515 | *x = pMode->pixmapWidth - pMode->viewportWidth; |
| 516 | if (*y > (pMode->pixmapHeight - pMode->viewportHeight)) |
| 517 | *y = pMode->pixmapHeight - pMode->viewportHeight; |
| 518 | |
| 519 | switch (xf86Screens[index]->bitsPerPixel) { |
| 520 | case 16: |
| 521 | shift = 1; |
| 522 | break; |
| 523 | case 32: |
| 524 | shift = 0; |
| 525 | break; |
| 526 | default: |
| 527 | break; |
| 528 | } |
| 529 | |
| 530 | if (BITMAP_SCANLINE_PAD == 64) |
| 531 | shift++; |
| 532 | |
| 533 | *x = (*x >> shift) << shift; |
| 534 | |
| 535 | pPix->drawable.x = *x; |
| 536 | pPix->drawable.y = *y; |
| 537 | pPix->drawable.width = pMode->viewportWidth; |
| 538 | pPix->drawable.height = pMode->viewportHeight; |
| 539 | } |
| 540 | else { |
| 541 | pPix->drawable.x = 0; |
| 542 | pPix->drawable.y = 0; |
| 543 | pPix->drawable.width = pMode->pixmapWidth; |
| 544 | pPix->drawable.height = pMode->pixmapHeight; |
| 545 | } |
| 546 | pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER; |
| 547 | pScreenPriv->pixmapMode = mode; |
| 548 | |
| 549 | return TRUE; |
| 550 | } |
| 551 | |
| 552 | Bool |
| 553 | DGAScreenAvailable(ScreenPtr pScreen) |
| 554 | { |
| 555 | if (!DGAScreenKeyRegistered) |
| 556 | return FALSE; |
| 557 | |
| 558 | if (DGA_GET_SCREEN_PRIV(pScreen)) |
| 559 | return TRUE; |
| 560 | return FALSE; |
| 561 | } |
| 562 | |
| 563 | Bool |
| 564 | DGAAvailable(int index) |
| 565 | { |
| 566 | ScreenPtr pScreen; |
| 567 | |
| 568 | assert(index < MAXSCREENS); |
| 569 | pScreen = screenInfo.screens[index]; |
| 570 | return DGAScreenAvailable(pScreen); |
| 571 | } |
| 572 | |
| 573 | Bool |
| 574 | DGAActive(int index) |
| 575 | { |
| 576 | DGAScreenPtr pScreenPriv; |
| 577 | |
| 578 | if (!DGAScreenKeyRegistered) |
| 579 | return FALSE; |
| 580 | |
| 581 | pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 582 | |
| 583 | if (pScreenPriv && pScreenPriv->current) |
| 584 | return TRUE; |
| 585 | |
| 586 | return FALSE; |
| 587 | } |
| 588 | |
| 589 | /* Called by the event code in case the server is abruptly terminated */ |
| 590 | |
| 591 | void |
| 592 | DGAShutdown(void) |
| 593 | { |
| 594 | ScrnInfoPtr pScrn; |
| 595 | int i; |
| 596 | |
| 597 | if (!DGAScreenKeyRegistered) |
| 598 | return; |
| 599 | |
| 600 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 601 | pScrn = xf86Screens[i]; |
| 602 | |
| 603 | (void) (*pScrn->SetDGAMode) (pScrn, 0, NULL); |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | /* Called by the extension to initialize a mode */ |
| 608 | |
| 609 | int |
| 610 | DGASetMode(int index, int num, XDGAModePtr mode, PixmapPtr *pPix) |
| 611 | { |
| 612 | ScrnInfoPtr pScrn = xf86Screens[index]; |
| 613 | DGADeviceRec device; |
| 614 | int ret; |
| 615 | |
| 616 | /* We rely on the extension to check that DGA is available */ |
| 617 | |
| 618 | ret = (*pScrn->SetDGAMode) (pScrn, num, &device); |
| 619 | if ((ret == Success) && num) { |
| 620 | DGACopyModeInfo(device.mode, mode); |
| 621 | *pPix = device.pPix; |
| 622 | } |
| 623 | |
| 624 | return ret; |
| 625 | } |
| 626 | |
| 627 | /* Called from the extension to let the DDX know which events are requested */ |
| 628 | |
| 629 | void |
| 630 | DGASelectInput(int index, ClientPtr client, long mask) |
| 631 | { |
| 632 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 633 | |
| 634 | /* We rely on the extension to check that DGA is available */ |
| 635 | pScreenPriv->client = client; |
| 636 | pScreenPriv->input = mask; |
| 637 | } |
| 638 | |
| 639 | int |
| 640 | DGAGetViewportStatus(int index) |
| 641 | { |
| 642 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 643 | |
| 644 | /* We rely on the extension to check that DGA is active */ |
| 645 | |
| 646 | if (!pScreenPriv->funcs->GetViewport) |
| 647 | return 0; |
| 648 | |
| 649 | return (*pScreenPriv->funcs->GetViewport) (pScreenPriv->pScrn); |
| 650 | } |
| 651 | |
| 652 | int |
| 653 | DGASetViewport(int index, int x, int y, int mode) |
| 654 | { |
| 655 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 656 | |
| 657 | if (pScreenPriv->funcs->SetViewport) |
| 658 | (*pScreenPriv->funcs->SetViewport) (pScreenPriv->pScrn, x, y, mode); |
| 659 | return Success; |
| 660 | } |
| 661 | |
| 662 | static int |
| 663 | BitsClear(CARD32 data) |
| 664 | { |
| 665 | int bits = 0; |
| 666 | CARD32 mask; |
| 667 | |
| 668 | for (mask = 1; mask; mask <<= 1) { |
| 669 | if (!(data & mask)) |
| 670 | bits++; |
| 671 | else |
| 672 | break; |
| 673 | } |
| 674 | |
| 675 | return bits; |
| 676 | } |
| 677 | |
| 678 | int |
| 679 | DGACreateColormap(int index, ClientPtr client, int id, int mode, int alloc) |
| 680 | { |
| 681 | ScreenPtr pScreen = screenInfo.screens[index]; |
| 682 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 683 | FakedVisualList *fvlp; |
| 684 | VisualPtr pVisual; |
| 685 | DGAModePtr pMode; |
| 686 | ColormapPtr pmap; |
| 687 | |
| 688 | if (!mode || (mode > pScreenPriv->numModes)) |
| 689 | return BadValue; |
| 690 | |
| 691 | if ((alloc != AllocNone) && (alloc != AllocAll)) |
| 692 | return BadValue; |
| 693 | |
| 694 | pMode = &(pScreenPriv->modes[mode - 1]); |
| 695 | |
| 696 | if (!(pVisual = malloc(sizeof(VisualRec)))) |
| 697 | return BadAlloc; |
| 698 | |
| 699 | pVisual->vid = FakeClientID(0); |
| 700 | pVisual->class = pMode->visualClass; |
| 701 | pVisual->nplanes = pMode->depth; |
| 702 | pVisual->ColormapEntries = 1 << pMode->depth; |
| 703 | pVisual->bitsPerRGBValue = (pMode->depth + 2) / 3; |
| 704 | |
| 705 | switch (pVisual->class) { |
| 706 | case PseudoColor: |
| 707 | case GrayScale: |
| 708 | case StaticGray: |
| 709 | pVisual->bitsPerRGBValue = 8; /* not quite */ |
| 710 | pVisual->redMask = 0; |
| 711 | pVisual->greenMask = 0; |
| 712 | pVisual->blueMask = 0; |
| 713 | pVisual->offsetRed = 0; |
| 714 | pVisual->offsetGreen = 0; |
| 715 | pVisual->offsetBlue = 0; |
| 716 | break; |
| 717 | case DirectColor: |
| 718 | case TrueColor: |
| 719 | pVisual->ColormapEntries = 1 << pVisual->bitsPerRGBValue; |
| 720 | /* fall through */ |
| 721 | case StaticColor: |
| 722 | pVisual->redMask = pMode->red_mask; |
| 723 | pVisual->greenMask = pMode->green_mask; |
| 724 | pVisual->blueMask = pMode->blue_mask; |
| 725 | pVisual->offsetRed = BitsClear(pVisual->redMask); |
| 726 | pVisual->offsetGreen = BitsClear(pVisual->greenMask); |
| 727 | pVisual->offsetBlue = BitsClear(pVisual->blueMask); |
| 728 | } |
| 729 | |
| 730 | if (!(fvlp = malloc(sizeof(FakedVisualList)))) { |
| 731 | free(pVisual); |
| 732 | return BadAlloc; |
| 733 | } |
| 734 | |
| 735 | fvlp->free = FALSE; |
| 736 | fvlp->pVisual = pVisual; |
| 737 | fvlp->next = pScreenPriv->fakedVisuals; |
| 738 | pScreenPriv->fakedVisuals = fvlp; |
| 739 | |
| 740 | LEGAL_NEW_RESOURCE(id, client); |
| 741 | |
| 742 | return CreateColormap(id, pScreen, pVisual, &pmap, alloc, client->index); |
| 743 | } |
| 744 | |
| 745 | /* Called by the extension to install a colormap on DGA active screens */ |
| 746 | |
| 747 | void |
| 748 | DGAInstallCmap(ColormapPtr cmap) |
| 749 | { |
| 750 | ScreenPtr pScreen = cmap->pScreen; |
| 751 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 752 | |
| 753 | /* We rely on the extension to check that DGA is active */ |
| 754 | |
| 755 | if (!pScreenPriv->dgaColormap) |
| 756 | pScreenPriv->savedColormap = GetInstalledmiColormap(pScreen); |
| 757 | |
| 758 | pScreenPriv->dgaColormap = cmap; |
| 759 | |
| 760 | (*pScreen->InstallColormap) (cmap); |
| 761 | } |
| 762 | |
| 763 | int |
| 764 | DGASync(int index) |
| 765 | { |
| 766 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 767 | |
| 768 | /* We rely on the extension to check that DGA is active */ |
| 769 | |
| 770 | if (pScreenPriv->funcs->Sync) |
| 771 | (*pScreenPriv->funcs->Sync) (pScreenPriv->pScrn); |
| 772 | |
| 773 | return Success; |
| 774 | } |
| 775 | |
| 776 | int |
| 777 | DGAFillRect(int index, int x, int y, int w, int h, unsigned long color) |
| 778 | { |
| 779 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 780 | |
| 781 | /* We rely on the extension to check that DGA is active */ |
| 782 | |
| 783 | if (pScreenPriv->funcs->FillRect && |
| 784 | (pScreenPriv->current->mode->flags & DGA_FILL_RECT)) { |
| 785 | |
| 786 | (*pScreenPriv->funcs->FillRect) (pScreenPriv->pScrn, x, y, w, h, color); |
| 787 | return Success; |
| 788 | } |
| 789 | return BadMatch; |
| 790 | } |
| 791 | |
| 792 | int |
| 793 | DGABlitRect(int index, int srcx, int srcy, int w, int h, int dstx, int dsty) |
| 794 | { |
| 795 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 796 | |
| 797 | /* We rely on the extension to check that DGA is active */ |
| 798 | |
| 799 | if (pScreenPriv->funcs->BlitRect && |
| 800 | (pScreenPriv->current->mode->flags & DGA_BLIT_RECT)) { |
| 801 | |
| 802 | (*pScreenPriv->funcs->BlitRect) (pScreenPriv->pScrn, |
| 803 | srcx, srcy, w, h, dstx, dsty); |
| 804 | return Success; |
| 805 | } |
| 806 | return BadMatch; |
| 807 | } |
| 808 | |
| 809 | int |
| 810 | DGABlitTransRect(int index, |
| 811 | int srcx, int srcy, |
| 812 | int w, int h, int dstx, int dsty, unsigned long color) |
| 813 | { |
| 814 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 815 | |
| 816 | /* We rely on the extension to check that DGA is active */ |
| 817 | |
| 818 | if (pScreenPriv->funcs->BlitTransRect && |
| 819 | (pScreenPriv->current->mode->flags & DGA_BLIT_RECT_TRANS)) { |
| 820 | |
| 821 | (*pScreenPriv->funcs->BlitTransRect) (pScreenPriv->pScrn, |
| 822 | srcx, srcy, w, h, dstx, dsty, |
| 823 | color); |
| 824 | return Success; |
| 825 | } |
| 826 | return BadMatch; |
| 827 | } |
| 828 | |
| 829 | int |
| 830 | DGAGetModes(int index) |
| 831 | { |
| 832 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 833 | |
| 834 | /* We rely on the extension to check that DGA is available */ |
| 835 | |
| 836 | return pScreenPriv->numModes; |
| 837 | } |
| 838 | |
| 839 | int |
| 840 | DGAGetModeInfo(int index, XDGAModePtr mode, int num) |
| 841 | { |
| 842 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 843 | |
| 844 | /* We rely on the extension to check that DGA is available */ |
| 845 | |
| 846 | if ((num <= 0) || (num > pScreenPriv->numModes)) |
| 847 | return BadValue; |
| 848 | |
| 849 | DGACopyModeInfo(&(pScreenPriv->modes[num - 1]), mode); |
| 850 | |
| 851 | return Success; |
| 852 | } |
| 853 | |
| 854 | static void |
| 855 | DGACopyModeInfo(DGAModePtr mode, XDGAModePtr xmode) |
| 856 | { |
| 857 | DisplayModePtr dmode = mode->mode; |
| 858 | |
| 859 | xmode->num = mode->num; |
| 860 | xmode->name = dmode->name; |
| 861 | xmode->VSync_num = (int) (dmode->VRefresh * 1000.0); |
| 862 | xmode->VSync_den = 1000; |
| 863 | xmode->flags = mode->flags; |
| 864 | xmode->imageWidth = mode->imageWidth; |
| 865 | xmode->imageHeight = mode->imageHeight; |
| 866 | xmode->pixmapWidth = mode->pixmapWidth; |
| 867 | xmode->pixmapHeight = mode->pixmapHeight; |
| 868 | xmode->bytesPerScanline = mode->bytesPerScanline; |
| 869 | xmode->byteOrder = mode->byteOrder; |
| 870 | xmode->depth = mode->depth; |
| 871 | xmode->bitsPerPixel = mode->bitsPerPixel; |
| 872 | xmode->red_mask = mode->red_mask; |
| 873 | xmode->green_mask = mode->green_mask; |
| 874 | xmode->blue_mask = mode->blue_mask; |
| 875 | xmode->visualClass = mode->visualClass; |
| 876 | xmode->viewportWidth = mode->viewportWidth; |
| 877 | xmode->viewportHeight = mode->viewportHeight; |
| 878 | xmode->xViewportStep = mode->xViewportStep; |
| 879 | xmode->yViewportStep = mode->yViewportStep; |
| 880 | xmode->maxViewportX = mode->maxViewportX; |
| 881 | xmode->maxViewportY = mode->maxViewportY; |
| 882 | xmode->viewportFlags = mode->viewportFlags; |
| 883 | xmode->reserved1 = mode->reserved1; |
| 884 | xmode->reserved2 = mode->reserved2; |
| 885 | xmode->offset = mode->offset; |
| 886 | |
| 887 | if (dmode->Flags & V_INTERLACE) |
| 888 | xmode->flags |= DGA_INTERLACED; |
| 889 | if (dmode->Flags & V_DBLSCAN) |
| 890 | xmode->flags |= DGA_DOUBLESCAN; |
| 891 | } |
| 892 | |
| 893 | Bool |
| 894 | DGAVTSwitch(void) |
| 895 | { |
| 896 | ScreenPtr pScreen; |
| 897 | int i; |
| 898 | |
| 899 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 900 | pScreen = screenInfo.screens[i]; |
| 901 | |
| 902 | /* Alternatively, this could send events to DGA clients */ |
| 903 | |
| 904 | if (DGAScreenKeyRegistered) { |
| 905 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 906 | |
| 907 | if (pScreenPriv && pScreenPriv->current) |
| 908 | return FALSE; |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | return TRUE; |
| 913 | } |
| 914 | |
| 915 | Bool |
| 916 | DGAStealKeyEvent(DeviceIntPtr dev, int index, int key_code, int is_down) |
| 917 | { |
| 918 | DGAScreenPtr pScreenPriv; |
| 919 | DGAEvent event; |
| 920 | |
| 921 | if (!DGAScreenKeyRegistered) /* no DGA */ |
| 922 | return FALSE; |
| 923 | |
| 924 | if (key_code < 8 || key_code > 255) |
| 925 | return FALSE; |
| 926 | |
| 927 | pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 928 | |
| 929 | if (!pScreenPriv || !pScreenPriv->grabKeyboard) /* no direct mode */ |
| 930 | return FALSE; |
| 931 | |
| 932 | event = (DGAEvent) { |
| 933 | .header = ET_Internal, |
| 934 | .type = ET_DGAEvent, |
| 935 | .length = sizeof(event), |
| 936 | .time = GetTimeInMillis(), |
| 937 | .subtype = (is_down ? ET_KeyPress : ET_KeyRelease), |
| 938 | .detail = key_code, |
| 939 | .dx = 0, |
| 940 | .dy = 0 |
| 941 | }; |
| 942 | mieqEnqueue(dev, (InternalEvent *) &event); |
| 943 | |
| 944 | return TRUE; |
| 945 | } |
| 946 | |
| 947 | Bool |
| 948 | DGAStealMotionEvent(DeviceIntPtr dev, int index, int dx, int dy) |
| 949 | { |
| 950 | DGAScreenPtr pScreenPriv; |
| 951 | DGAEvent event; |
| 952 | |
| 953 | if (!DGAScreenKeyRegistered) /* no DGA */ |
| 954 | return FALSE; |
| 955 | |
| 956 | pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 957 | |
| 958 | if (!pScreenPriv || !pScreenPriv->grabMouse) /* no direct mode */ |
| 959 | return FALSE; |
| 960 | |
| 961 | event = (DGAEvent) { |
| 962 | .header = ET_Internal, |
| 963 | .type = ET_DGAEvent, |
| 964 | .length = sizeof(event), |
| 965 | .time = GetTimeInMillis(), |
| 966 | .subtype = ET_Motion, |
| 967 | .detail = 0, |
| 968 | .dx = dx, |
| 969 | .dy = dy |
| 970 | }; |
| 971 | mieqEnqueue(dev, (InternalEvent *) &event); |
| 972 | return TRUE; |
| 973 | } |
| 974 | |
| 975 | Bool |
| 976 | DGAStealButtonEvent(DeviceIntPtr dev, int index, int button, int is_down) |
| 977 | { |
| 978 | DGAScreenPtr pScreenPriv; |
| 979 | DGAEvent event; |
| 980 | |
| 981 | if (!DGAScreenKeyRegistered) /* no DGA */ |
| 982 | return FALSE; |
| 983 | |
| 984 | pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 985 | |
| 986 | if (!pScreenPriv || !pScreenPriv->grabMouse) |
| 987 | return FALSE; |
| 988 | |
| 989 | event = (DGAEvent) { |
| 990 | .header = ET_Internal, |
| 991 | .type = ET_DGAEvent, |
| 992 | .length = sizeof(event), |
| 993 | .time = GetTimeInMillis(), |
| 994 | .subtype = (is_down ? ET_ButtonPress : ET_ButtonRelease), |
| 995 | .detail = button, |
| 996 | .dx = 0, |
| 997 | .dy = 0 |
| 998 | }; |
| 999 | mieqEnqueue(dev, (InternalEvent *) &event); |
| 1000 | |
| 1001 | return TRUE; |
| 1002 | } |
| 1003 | |
| 1004 | /* We have the power to steal or modify events that are about to get queued */ |
| 1005 | |
| 1006 | #define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */ |
| 1007 | static Mask filters[] = { |
| 1008 | NoSuchEvent, /* 0 */ |
| 1009 | NoSuchEvent, /* 1 */ |
| 1010 | KeyPressMask, /* KeyPress */ |
| 1011 | KeyReleaseMask, /* KeyRelease */ |
| 1012 | ButtonPressMask, /* ButtonPress */ |
| 1013 | ButtonReleaseMask, /* ButtonRelease */ |
| 1014 | PointerMotionMask, /* MotionNotify (initial state) */ |
| 1015 | }; |
| 1016 | |
| 1017 | static void |
| 1018 | DGAProcessKeyboardEvent(ScreenPtr pScreen, DGAEvent * event, DeviceIntPtr keybd) |
| 1019 | { |
| 1020 | KeyClassPtr keyc = keybd->key; |
| 1021 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 1022 | DeviceIntPtr pointer = GetMaster(keybd, POINTER_OR_FLOAT); |
| 1023 | DeviceEvent ev = { |
| 1024 | .header = ET_Internal, |
| 1025 | .length = sizeof(ev), |
| 1026 | .detail.key = event->detail, |
| 1027 | .type = event->subtype, |
| 1028 | .root_x = 0, |
| 1029 | .root_y = 0, |
| 1030 | .corestate = XkbStateFieldFromRec(&keyc->xkbInfo->state) |
| 1031 | }; |
| 1032 | ev.corestate |= pointer->button->state; |
| 1033 | |
| 1034 | UpdateDeviceState(keybd, &ev); |
| 1035 | |
| 1036 | if (!IsMaster(keybd)) |
| 1037 | return; |
| 1038 | |
| 1039 | /* |
| 1040 | * Deliver the DGA event |
| 1041 | */ |
| 1042 | if (pScreenPriv->client) { |
| 1043 | dgaEvent de = { |
| 1044 | .u.event.time = event->time, |
| 1045 | .u.event.dx = event->dx, |
| 1046 | .u.event.dy = event->dy, |
| 1047 | .u.event.screen = pScreen->myNum, |
| 1048 | .u.event.state = ev.corestate |
| 1049 | }; |
| 1050 | de.u.u.type = DGAEventBase + GetCoreType(ev.type); |
| 1051 | de.u.u.detail = event->detail; |
| 1052 | |
| 1053 | /* If the DGA client has selected input, then deliver based on the usual filter */ |
| 1054 | TryClientEvents(pScreenPriv->client, keybd, (xEvent *) &de, 1, |
| 1055 | filters[ev.type], pScreenPriv->input, 0); |
| 1056 | } |
| 1057 | else { |
| 1058 | /* If the keyboard is actively grabbed, deliver a grabbed core event */ |
| 1059 | if (keybd->deviceGrab.grab && !keybd->deviceGrab.fromPassiveGrab) { |
| 1060 | ev.detail.key = event->detail; |
| 1061 | ev.time = event->time; |
| 1062 | ev.root_x = event->dx; |
| 1063 | ev.root_y = event->dy; |
| 1064 | ev.corestate = event->state; |
| 1065 | ev.deviceid = keybd->id; |
| 1066 | DeliverGrabbedEvent((InternalEvent *) &ev, keybd, FALSE); |
| 1067 | } |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | static void |
| 1072 | DGAProcessPointerEvent(ScreenPtr pScreen, DGAEvent * event, DeviceIntPtr mouse) |
| 1073 | { |
| 1074 | ButtonClassPtr butc = mouse->button; |
| 1075 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 1076 | DeviceIntPtr master = GetMaster(mouse, MASTER_KEYBOARD); |
| 1077 | DeviceEvent ev = { |
| 1078 | .header = ET_Internal, |
| 1079 | .length = sizeof(ev), |
| 1080 | .detail.key = event->detail, |
| 1081 | .type = event->subtype, |
| 1082 | .corestate = butc ? butc->state : 0 |
| 1083 | }; |
| 1084 | |
| 1085 | if (master && master->key) |
| 1086 | ev.corestate |= XkbStateFieldFromRec(&master->key->xkbInfo->state); |
| 1087 | |
| 1088 | UpdateDeviceState(mouse, &ev); |
| 1089 | |
| 1090 | if (!IsMaster(mouse)) |
| 1091 | return; |
| 1092 | |
| 1093 | /* |
| 1094 | * Deliver the DGA event |
| 1095 | */ |
| 1096 | if (pScreenPriv->client) { |
| 1097 | int coreEquiv = GetCoreType(ev.type); |
| 1098 | dgaEvent de = { |
| 1099 | .u.event.time = event->time, |
| 1100 | .u.event.dx = event->dx, |
| 1101 | .u.event.dy = event->dy, |
| 1102 | .u.event.screen = pScreen->myNum, |
| 1103 | .u.event.state = ev.corestate |
| 1104 | }; |
| 1105 | de.u.u.type = DGAEventBase + coreEquiv; |
| 1106 | de.u.u.detail = event->detail; |
| 1107 | |
| 1108 | /* If the DGA client has selected input, then deliver based on the usual filter */ |
| 1109 | TryClientEvents(pScreenPriv->client, mouse, (xEvent *) &de, 1, |
| 1110 | filters[coreEquiv], pScreenPriv->input, 0); |
| 1111 | } |
| 1112 | else { |
| 1113 | /* If the pointer is actively grabbed, deliver a grabbed core event */ |
| 1114 | if (mouse->deviceGrab.grab && !mouse->deviceGrab.fromPassiveGrab) { |
| 1115 | ev.detail.button = event->detail; |
| 1116 | ev.time = event->time; |
| 1117 | ev.root_x = event->dx; |
| 1118 | ev.root_y = event->dy; |
| 1119 | ev.corestate = event->state; |
| 1120 | /* DGA is core only, so valuators.data doesn't actually matter. |
| 1121 | * Mask must be set for EventToCore to create motion events. */ |
| 1122 | SetBit(ev.valuators.mask, 0); |
| 1123 | SetBit(ev.valuators.mask, 1); |
| 1124 | DeliverGrabbedEvent((InternalEvent *) &ev, mouse, FALSE); |
| 1125 | } |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | Bool |
| 1130 | DGAOpenFramebuffer(int index, |
| 1131 | char **name, |
| 1132 | unsigned char **mem, int *size, int *offset, int *flags) |
| 1133 | { |
| 1134 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 1135 | |
| 1136 | /* We rely on the extension to check that DGA is available */ |
| 1137 | |
| 1138 | return (*pScreenPriv->funcs->OpenFramebuffer) (pScreenPriv->pScrn, |
| 1139 | name, mem, size, offset, |
| 1140 | flags); |
| 1141 | } |
| 1142 | |
| 1143 | void |
| 1144 | DGACloseFramebuffer(int index) |
| 1145 | { |
| 1146 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 1147 | |
| 1148 | /* We rely on the extension to check that DGA is available */ |
| 1149 | if (pScreenPriv->funcs->CloseFramebuffer) |
| 1150 | (*pScreenPriv->funcs->CloseFramebuffer) (pScreenPriv->pScrn); |
| 1151 | } |
| 1152 | |
| 1153 | /* For DGA 1.0 backwards compatibility only */ |
| 1154 | |
| 1155 | int |
| 1156 | DGAGetOldDGAMode(int index) |
| 1157 | { |
| 1158 | DGAScreenPtr pScreenPriv = DGA_GET_SCREEN_PRIV(screenInfo.screens[index]); |
| 1159 | ScrnInfoPtr pScrn = pScreenPriv->pScrn; |
| 1160 | DGAModePtr mode; |
| 1161 | int i, w, h, p; |
| 1162 | |
| 1163 | /* We rely on the extension to check that DGA is available */ |
| 1164 | |
| 1165 | w = pScrn->currentMode->HDisplay; |
| 1166 | h = pScrn->currentMode->VDisplay; |
| 1167 | p = pad_to_int32(pScrn->displayWidth * bits_to_bytes(pScrn->bitsPerPixel)); |
| 1168 | |
| 1169 | for (i = 0; i < pScreenPriv->numModes; i++) { |
| 1170 | mode = &(pScreenPriv->modes[i]); |
| 1171 | |
| 1172 | if ((mode->viewportWidth == w) && (mode->viewportHeight == h) && |
| 1173 | (mode->bytesPerScanline == p) && |
| 1174 | (mode->bitsPerPixel == pScrn->bitsPerPixel) && |
| 1175 | (mode->depth == pScrn->depth)) { |
| 1176 | |
| 1177 | return mode->num; |
| 1178 | } |
| 1179 | } |
| 1180 | |
| 1181 | return 0; |
| 1182 | } |
| 1183 | |
| 1184 | static void |
| 1185 | DGAHandleEvent(int screen_num, InternalEvent *ev, DeviceIntPtr device) |
| 1186 | { |
| 1187 | DGAEvent *event = &ev->dga_event; |
| 1188 | ScreenPtr pScreen = screenInfo.screens[screen_num]; |
| 1189 | DGAScreenPtr pScreenPriv; |
| 1190 | |
| 1191 | /* no DGA */ |
| 1192 | if (!DGAScreenKeyRegistered || noXFree86DGAExtension) |
| 1193 | return; |
| 1194 | pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); |
| 1195 | |
| 1196 | /* DGA not initialized on this screen */ |
| 1197 | if (!pScreenPriv) |
| 1198 | return; |
| 1199 | |
| 1200 | switch (event->subtype) { |
| 1201 | case KeyPress: |
| 1202 | case KeyRelease: |
| 1203 | DGAProcessKeyboardEvent(pScreen, event, device); |
| 1204 | break; |
| 1205 | case MotionNotify: |
| 1206 | case ButtonPress: |
| 1207 | case ButtonRelease: |
| 1208 | DGAProcessPointerEvent(pScreen, event, device); |
| 1209 | break; |
| 1210 | default: |
| 1211 | break; |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | static void XDGAResetProc(ExtensionEntry * extEntry); |
| 1216 | |
| 1217 | static void DGAClientStateChange(CallbackListPtr *, pointer, pointer); |
| 1218 | |
| 1219 | static DevPrivateKeyRec DGAScreenPrivateKeyRec; |
| 1220 | |
| 1221 | #define DGAScreenPrivateKey (&DGAScreenPrivateKeyRec) |
| 1222 | #define DGAScreenPrivateKeyRegistered (DGAScreenPrivateKeyRec.initialized) |
| 1223 | static DevPrivateKeyRec DGAClientPrivateKeyRec; |
| 1224 | |
| 1225 | #define DGAClientPrivateKey (&DGAClientPrivateKeyRec) |
| 1226 | static int DGACallbackRefCount = 0; |
| 1227 | |
| 1228 | /* This holds the client's version information */ |
| 1229 | typedef struct { |
| 1230 | int major; |
| 1231 | int minor; |
| 1232 | } DGAPrivRec, *DGAPrivPtr; |
| 1233 | |
| 1234 | #define DGA_GETCLIENT(idx) ((ClientPtr) \ |
| 1235 | dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey)) |
| 1236 | #define DGA_SETCLIENT(idx,p) \ |
| 1237 | dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p) |
| 1238 | |
| 1239 | #define DGA_GETPRIV(c) ((DGAPrivPtr) \ |
| 1240 | dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey)) |
| 1241 | #define DGA_SETPRIV(c,p) \ |
| 1242 | dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p) |
| 1243 | |
| 1244 | static void |
| 1245 | XDGAResetProc(ExtensionEntry * extEntry) |
| 1246 | { |
| 1247 | DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); |
| 1248 | DGACallbackRefCount = 0; |
| 1249 | } |
| 1250 | |
| 1251 | static int |
| 1252 | ProcXDGAQueryVersion(ClientPtr client) |
| 1253 | { |
| 1254 | xXDGAQueryVersionReply rep; |
| 1255 | |
| 1256 | REQUEST_SIZE_MATCH(xXDGAQueryVersionReq); |
| 1257 | rep.type = X_Reply; |
| 1258 | rep.length = 0; |
| 1259 | rep.sequenceNumber = client->sequence; |
| 1260 | rep.majorVersion = SERVER_XDGA_MAJOR_VERSION; |
| 1261 | rep.minorVersion = SERVER_XDGA_MINOR_VERSION; |
| 1262 | |
| 1263 | WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *) &rep); |
| 1264 | return Success; |
| 1265 | } |
| 1266 | |
| 1267 | static int |
| 1268 | ProcXDGAOpenFramebuffer(ClientPtr client) |
| 1269 | { |
| 1270 | REQUEST(xXDGAOpenFramebufferReq); |
| 1271 | xXDGAOpenFramebufferReply rep; |
| 1272 | char *deviceName; |
| 1273 | int nameSize; |
| 1274 | |
| 1275 | if (stuff->screen >= screenInfo.numScreens) |
| 1276 | return BadValue; |
| 1277 | |
| 1278 | if (!DGAAvailable(stuff->screen)) |
| 1279 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1280 | |
| 1281 | REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq); |
| 1282 | rep.type = X_Reply; |
| 1283 | rep.length = 0; |
| 1284 | rep.sequenceNumber = client->sequence; |
| 1285 | |
| 1286 | if (!DGAOpenFramebuffer(stuff->screen, &deviceName, |
| 1287 | (unsigned char **) (&rep.mem1), |
| 1288 | (int *) &rep.size, (int *) &rep.offset, |
| 1289 | (int *) &rep.extra)) { |
| 1290 | return BadAlloc; |
| 1291 | } |
| 1292 | |
| 1293 | nameSize = deviceName ? (strlen(deviceName) + 1) : 0; |
| 1294 | rep.length = bytes_to_int32(nameSize); |
| 1295 | |
| 1296 | WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *) &rep); |
| 1297 | if (rep.length) |
| 1298 | WriteToClient(client, nameSize, deviceName); |
| 1299 | |
| 1300 | return Success; |
| 1301 | } |
| 1302 | |
| 1303 | static int |
| 1304 | ProcXDGACloseFramebuffer(ClientPtr client) |
| 1305 | { |
| 1306 | REQUEST(xXDGACloseFramebufferReq); |
| 1307 | |
| 1308 | if (stuff->screen >= screenInfo.numScreens) |
| 1309 | return BadValue; |
| 1310 | |
| 1311 | if (!DGAAvailable(stuff->screen)) |
| 1312 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1313 | |
| 1314 | REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq); |
| 1315 | |
| 1316 | DGACloseFramebuffer(stuff->screen); |
| 1317 | |
| 1318 | return Success; |
| 1319 | } |
| 1320 | |
| 1321 | static int |
| 1322 | ProcXDGAQueryModes(ClientPtr client) |
| 1323 | { |
| 1324 | int i, num, size; |
| 1325 | |
| 1326 | REQUEST(xXDGAQueryModesReq); |
| 1327 | xXDGAQueryModesReply rep; |
| 1328 | xXDGAModeInfo info; |
| 1329 | XDGAModePtr mode; |
| 1330 | |
| 1331 | if (stuff->screen >= screenInfo.numScreens) |
| 1332 | return BadValue; |
| 1333 | |
| 1334 | REQUEST_SIZE_MATCH(xXDGAQueryModesReq); |
| 1335 | rep.type = X_Reply; |
| 1336 | rep.length = 0; |
| 1337 | rep.number = 0; |
| 1338 | rep.sequenceNumber = client->sequence; |
| 1339 | |
| 1340 | if (!DGAAvailable(stuff->screen)) { |
| 1341 | rep.number = 0; |
| 1342 | rep.length = 0; |
| 1343 | WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep); |
| 1344 | return Success; |
| 1345 | } |
| 1346 | |
| 1347 | if (!(num = DGAGetModes(stuff->screen))) { |
| 1348 | WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep); |
| 1349 | return Success; |
| 1350 | } |
| 1351 | |
| 1352 | if (!(mode = (XDGAModePtr) malloc(num * sizeof(XDGAModeRec)))) |
| 1353 | return BadAlloc; |
| 1354 | |
| 1355 | for (i = 0; i < num; i++) |
| 1356 | DGAGetModeInfo(stuff->screen, mode + i, i + 1); |
| 1357 | |
| 1358 | size = num * sz_xXDGAModeInfo; |
| 1359 | for (i = 0; i < num; i++) |
| 1360 | size += pad_to_int32(strlen(mode[i].name) + 1); /* plus NULL */ |
| 1361 | |
| 1362 | rep.number = num; |
| 1363 | rep.length = bytes_to_int32(size); |
| 1364 | |
| 1365 | WriteToClient(client, sz_xXDGAQueryModesReply, (char *) &rep); |
| 1366 | |
| 1367 | for (i = 0; i < num; i++) { |
| 1368 | size = strlen(mode[i].name) + 1; |
| 1369 | |
| 1370 | info.byte_order = mode[i].byteOrder; |
| 1371 | info.depth = mode[i].depth; |
| 1372 | info.num = mode[i].num; |
| 1373 | info.bpp = mode[i].bitsPerPixel; |
| 1374 | info.name_size = (size + 3) & ~3L; |
| 1375 | info.vsync_num = mode[i].VSync_num; |
| 1376 | info.vsync_den = mode[i].VSync_den; |
| 1377 | info.flags = mode[i].flags; |
| 1378 | info.image_width = mode[i].imageWidth; |
| 1379 | info.image_height = mode[i].imageHeight; |
| 1380 | info.pixmap_width = mode[i].pixmapWidth; |
| 1381 | info.pixmap_height = mode[i].pixmapHeight; |
| 1382 | info.bytes_per_scanline = mode[i].bytesPerScanline; |
| 1383 | info.red_mask = mode[i].red_mask; |
| 1384 | info.green_mask = mode[i].green_mask; |
| 1385 | info.blue_mask = mode[i].blue_mask; |
| 1386 | info.visual_class = mode[i].visualClass; |
| 1387 | info.viewport_width = mode[i].viewportWidth; |
| 1388 | info.viewport_height = mode[i].viewportHeight; |
| 1389 | info.viewport_xstep = mode[i].xViewportStep; |
| 1390 | info.viewport_ystep = mode[i].yViewportStep; |
| 1391 | info.viewport_xmax = mode[i].maxViewportX; |
| 1392 | info.viewport_ymax = mode[i].maxViewportY; |
| 1393 | info.viewport_flags = mode[i].viewportFlags; |
| 1394 | info.reserved1 = mode[i].reserved1; |
| 1395 | info.reserved2 = mode[i].reserved2; |
| 1396 | |
| 1397 | WriteToClient(client, sz_xXDGAModeInfo, (char *) (&info)); |
| 1398 | WriteToClient(client, size, mode[i].name); |
| 1399 | } |
| 1400 | |
| 1401 | free(mode); |
| 1402 | |
| 1403 | return Success; |
| 1404 | } |
| 1405 | |
| 1406 | static void |
| 1407 | DGAClientStateChange(CallbackListPtr *pcbl, pointer nulldata, pointer calldata) |
| 1408 | { |
| 1409 | NewClientInfoRec *pci = (NewClientInfoRec *) calldata; |
| 1410 | ClientPtr client = NULL; |
| 1411 | int i; |
| 1412 | |
| 1413 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1414 | if (DGA_GETCLIENT(i) == pci->client) { |
| 1415 | client = pci->client; |
| 1416 | break; |
| 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | if (client && |
| 1421 | ((client->clientState == ClientStateGone) || |
| 1422 | (client->clientState == ClientStateRetained))) { |
| 1423 | XDGAModeRec mode; |
| 1424 | PixmapPtr pPix; |
| 1425 | |
| 1426 | DGA_SETCLIENT(i, NULL); |
| 1427 | DGASelectInput(i, NULL, 0); |
| 1428 | DGASetMode(i, 0, &mode, &pPix); |
| 1429 | |
| 1430 | if (--DGACallbackRefCount == 0) |
| 1431 | DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | static int |
| 1436 | ProcXDGASetMode(ClientPtr client) |
| 1437 | { |
| 1438 | REQUEST(xXDGASetModeReq); |
| 1439 | xXDGASetModeReply rep; |
| 1440 | XDGAModeRec mode; |
| 1441 | xXDGAModeInfo info; |
| 1442 | PixmapPtr pPix; |
| 1443 | ClientPtr owner; |
| 1444 | int size; |
| 1445 | |
| 1446 | if (stuff->screen >= screenInfo.numScreens) |
| 1447 | return BadValue; |
| 1448 | owner = DGA_GETCLIENT(stuff->screen); |
| 1449 | |
| 1450 | REQUEST_SIZE_MATCH(xXDGASetModeReq); |
| 1451 | rep.type = X_Reply; |
| 1452 | rep.length = 0; |
| 1453 | rep.offset = 0; |
| 1454 | rep.flags = 0; |
| 1455 | rep.sequenceNumber = client->sequence; |
| 1456 | |
| 1457 | if (!DGAAvailable(stuff->screen)) |
| 1458 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1459 | |
| 1460 | if (owner && owner != client) |
| 1461 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1462 | |
| 1463 | if (!stuff->mode) { |
| 1464 | if (owner) { |
| 1465 | if (--DGACallbackRefCount == 0) |
| 1466 | DeleteCallback(&ClientStateCallback, DGAClientStateChange, |
| 1467 | NULL); |
| 1468 | } |
| 1469 | DGA_SETCLIENT(stuff->screen, NULL); |
| 1470 | DGASelectInput(stuff->screen, NULL, 0); |
| 1471 | DGASetMode(stuff->screen, 0, &mode, &pPix); |
| 1472 | WriteToClient(client, sz_xXDGASetModeReply, (char *) &rep); |
| 1473 | return Success; |
| 1474 | } |
| 1475 | |
| 1476 | if (Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix)) |
| 1477 | return BadValue; |
| 1478 | |
| 1479 | if (!owner) { |
| 1480 | if (DGACallbackRefCount++ == 0) |
| 1481 | AddCallback(&ClientStateCallback, DGAClientStateChange, NULL); |
| 1482 | } |
| 1483 | |
| 1484 | DGA_SETCLIENT(stuff->screen, client); |
| 1485 | |
| 1486 | if (pPix) { |
| 1487 | if (AddResource(stuff->pid, RT_PIXMAP, (pointer) (pPix))) { |
| 1488 | pPix->drawable.id = (int) stuff->pid; |
| 1489 | rep.flags = DGA_PIXMAP_AVAILABLE; |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | size = strlen(mode.name) + 1; |
| 1494 | |
| 1495 | info.byte_order = mode.byteOrder; |
| 1496 | info.depth = mode.depth; |
| 1497 | info.num = mode.num; |
| 1498 | info.bpp = mode.bitsPerPixel; |
| 1499 | info.name_size = (size + 3) & ~3L; |
| 1500 | info.vsync_num = mode.VSync_num; |
| 1501 | info.vsync_den = mode.VSync_den; |
| 1502 | info.flags = mode.flags; |
| 1503 | info.image_width = mode.imageWidth; |
| 1504 | info.image_height = mode.imageHeight; |
| 1505 | info.pixmap_width = mode.pixmapWidth; |
| 1506 | info.pixmap_height = mode.pixmapHeight; |
| 1507 | info.bytes_per_scanline = mode.bytesPerScanline; |
| 1508 | info.red_mask = mode.red_mask; |
| 1509 | info.green_mask = mode.green_mask; |
| 1510 | info.blue_mask = mode.blue_mask; |
| 1511 | info.visual_class = mode.visualClass; |
| 1512 | info.viewport_width = mode.viewportWidth; |
| 1513 | info.viewport_height = mode.viewportHeight; |
| 1514 | info.viewport_xstep = mode.xViewportStep; |
| 1515 | info.viewport_ystep = mode.yViewportStep; |
| 1516 | info.viewport_xmax = mode.maxViewportX; |
| 1517 | info.viewport_ymax = mode.maxViewportY; |
| 1518 | info.viewport_flags = mode.viewportFlags; |
| 1519 | info.reserved1 = mode.reserved1; |
| 1520 | info.reserved2 = mode.reserved2; |
| 1521 | |
| 1522 | rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size); |
| 1523 | |
| 1524 | WriteToClient(client, sz_xXDGASetModeReply, (char *) &rep); |
| 1525 | WriteToClient(client, sz_xXDGAModeInfo, (char *) (&info)); |
| 1526 | WriteToClient(client, size, mode.name); |
| 1527 | |
| 1528 | return Success; |
| 1529 | } |
| 1530 | |
| 1531 | static int |
| 1532 | ProcXDGASetViewport(ClientPtr client) |
| 1533 | { |
| 1534 | REQUEST(xXDGASetViewportReq); |
| 1535 | |
| 1536 | if (stuff->screen >= screenInfo.numScreens) |
| 1537 | return BadValue; |
| 1538 | |
| 1539 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1540 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1541 | |
| 1542 | REQUEST_SIZE_MATCH(xXDGASetViewportReq); |
| 1543 | |
| 1544 | DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags); |
| 1545 | |
| 1546 | return Success; |
| 1547 | } |
| 1548 | |
| 1549 | static int |
| 1550 | ProcXDGAInstallColormap(ClientPtr client) |
| 1551 | { |
| 1552 | ColormapPtr cmap; |
| 1553 | int rc; |
| 1554 | |
| 1555 | REQUEST(xXDGAInstallColormapReq); |
| 1556 | |
| 1557 | if (stuff->screen >= screenInfo.numScreens) |
| 1558 | return BadValue; |
| 1559 | |
| 1560 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1561 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1562 | |
| 1563 | REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); |
| 1564 | |
| 1565 | rc = dixLookupResourceByType((pointer *) &cmap, stuff->cmap, RT_COLORMAP, |
| 1566 | client, DixInstallAccess); |
| 1567 | if (rc != Success) |
| 1568 | return rc; |
| 1569 | DGAInstallCmap(cmap); |
| 1570 | return Success; |
| 1571 | } |
| 1572 | |
| 1573 | static int |
| 1574 | ProcXDGASelectInput(ClientPtr client) |
| 1575 | { |
| 1576 | REQUEST(xXDGASelectInputReq); |
| 1577 | |
| 1578 | if (stuff->screen >= screenInfo.numScreens) |
| 1579 | return BadValue; |
| 1580 | |
| 1581 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1582 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1583 | |
| 1584 | REQUEST_SIZE_MATCH(xXDGASelectInputReq); |
| 1585 | |
| 1586 | if (DGA_GETCLIENT(stuff->screen) == client) |
| 1587 | DGASelectInput(stuff->screen, client, stuff->mask); |
| 1588 | |
| 1589 | return Success; |
| 1590 | } |
| 1591 | |
| 1592 | static int |
| 1593 | ProcXDGAFillRectangle(ClientPtr client) |
| 1594 | { |
| 1595 | REQUEST(xXDGAFillRectangleReq); |
| 1596 | |
| 1597 | if (stuff->screen >= screenInfo.numScreens) |
| 1598 | return BadValue; |
| 1599 | |
| 1600 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1601 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1602 | |
| 1603 | REQUEST_SIZE_MATCH(xXDGAFillRectangleReq); |
| 1604 | |
| 1605 | if (Success != DGAFillRect(stuff->screen, stuff->x, stuff->y, |
| 1606 | stuff->width, stuff->height, stuff->color)) |
| 1607 | return BadMatch; |
| 1608 | |
| 1609 | return Success; |
| 1610 | } |
| 1611 | |
| 1612 | static int |
| 1613 | ProcXDGACopyArea(ClientPtr client) |
| 1614 | { |
| 1615 | REQUEST(xXDGACopyAreaReq); |
| 1616 | |
| 1617 | if (stuff->screen >= screenInfo.numScreens) |
| 1618 | return BadValue; |
| 1619 | |
| 1620 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1621 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1622 | |
| 1623 | REQUEST_SIZE_MATCH(xXDGACopyAreaReq); |
| 1624 | |
| 1625 | if (Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy, |
| 1626 | stuff->width, stuff->height, stuff->dstx, |
| 1627 | stuff->dsty)) |
| 1628 | return BadMatch; |
| 1629 | |
| 1630 | return Success; |
| 1631 | } |
| 1632 | |
| 1633 | static int |
| 1634 | ProcXDGACopyTransparentArea(ClientPtr client) |
| 1635 | { |
| 1636 | REQUEST(xXDGACopyTransparentAreaReq); |
| 1637 | |
| 1638 | if (stuff->screen >= screenInfo.numScreens) |
| 1639 | return BadValue; |
| 1640 | |
| 1641 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1642 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1643 | |
| 1644 | REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq); |
| 1645 | |
| 1646 | if (Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy, |
| 1647 | stuff->width, stuff->height, stuff->dstx, |
| 1648 | stuff->dsty, stuff->key)) |
| 1649 | return BadMatch; |
| 1650 | |
| 1651 | return Success; |
| 1652 | } |
| 1653 | |
| 1654 | static int |
| 1655 | ProcXDGAGetViewportStatus(ClientPtr client) |
| 1656 | { |
| 1657 | REQUEST(xXDGAGetViewportStatusReq); |
| 1658 | xXDGAGetViewportStatusReply rep; |
| 1659 | |
| 1660 | if (stuff->screen >= screenInfo.numScreens) |
| 1661 | return BadValue; |
| 1662 | |
| 1663 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1664 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1665 | |
| 1666 | REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq); |
| 1667 | rep.type = X_Reply; |
| 1668 | rep.length = 0; |
| 1669 | rep.sequenceNumber = client->sequence; |
| 1670 | |
| 1671 | rep.status = DGAGetViewportStatus(stuff->screen); |
| 1672 | |
| 1673 | WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *) &rep); |
| 1674 | return Success; |
| 1675 | } |
| 1676 | |
| 1677 | static int |
| 1678 | ProcXDGASync(ClientPtr client) |
| 1679 | { |
| 1680 | REQUEST(xXDGASyncReq); |
| 1681 | xXDGASyncReply rep; |
| 1682 | |
| 1683 | if (stuff->screen >= screenInfo.numScreens) |
| 1684 | return BadValue; |
| 1685 | |
| 1686 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1687 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1688 | |
| 1689 | REQUEST_SIZE_MATCH(xXDGASyncReq); |
| 1690 | rep.type = X_Reply; |
| 1691 | rep.length = 0; |
| 1692 | rep.sequenceNumber = client->sequence; |
| 1693 | |
| 1694 | DGASync(stuff->screen); |
| 1695 | |
| 1696 | WriteToClient(client, sizeof(xXDGASyncReply), (char *) &rep); |
| 1697 | return Success; |
| 1698 | } |
| 1699 | |
| 1700 | static int |
| 1701 | ProcXDGASetClientVersion(ClientPtr client) |
| 1702 | { |
| 1703 | REQUEST(xXDGASetClientVersionReq); |
| 1704 | |
| 1705 | DGAPrivPtr pPriv; |
| 1706 | |
| 1707 | REQUEST_SIZE_MATCH(xXDGASetClientVersionReq); |
| 1708 | if ((pPriv = DGA_GETPRIV(client)) == NULL) { |
| 1709 | pPriv = malloc(sizeof(DGAPrivRec)); |
| 1710 | /* XXX Need to look into freeing this */ |
| 1711 | if (!pPriv) |
| 1712 | return BadAlloc; |
| 1713 | DGA_SETPRIV(client, pPriv); |
| 1714 | } |
| 1715 | pPriv->major = stuff->major; |
| 1716 | pPriv->minor = stuff->minor; |
| 1717 | |
| 1718 | return Success; |
| 1719 | } |
| 1720 | |
| 1721 | static int |
| 1722 | ProcXDGAChangePixmapMode(ClientPtr client) |
| 1723 | { |
| 1724 | REQUEST(xXDGAChangePixmapModeReq); |
| 1725 | xXDGAChangePixmapModeReply rep; |
| 1726 | int x, y; |
| 1727 | |
| 1728 | if (stuff->screen >= screenInfo.numScreens) |
| 1729 | return BadValue; |
| 1730 | |
| 1731 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1732 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1733 | |
| 1734 | REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq); |
| 1735 | rep.type = X_Reply; |
| 1736 | rep.length = 0; |
| 1737 | rep.sequenceNumber = client->sequence; |
| 1738 | |
| 1739 | x = stuff->x; |
| 1740 | y = stuff->y; |
| 1741 | |
| 1742 | if (!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags)) |
| 1743 | return BadMatch; |
| 1744 | |
| 1745 | rep.x = x; |
| 1746 | rep.y = y; |
| 1747 | WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *) &rep); |
| 1748 | |
| 1749 | return Success; |
| 1750 | } |
| 1751 | |
| 1752 | static int |
| 1753 | ProcXDGACreateColormap(ClientPtr client) |
| 1754 | { |
| 1755 | REQUEST(xXDGACreateColormapReq); |
| 1756 | int result; |
| 1757 | |
| 1758 | if (stuff->screen >= screenInfo.numScreens) |
| 1759 | return BadValue; |
| 1760 | |
| 1761 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1762 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1763 | |
| 1764 | REQUEST_SIZE_MATCH(xXDGACreateColormapReq); |
| 1765 | |
| 1766 | if (!stuff->mode) |
| 1767 | return BadValue; |
| 1768 | |
| 1769 | result = DGACreateColormap(stuff->screen, client, stuff->id, |
| 1770 | stuff->mode, stuff->alloc); |
| 1771 | if (result != Success) |
| 1772 | return result; |
| 1773 | |
| 1774 | return Success; |
| 1775 | } |
| 1776 | |
| 1777 | /* |
| 1778 | * |
| 1779 | * Support for the old DGA protocol, used to live in xf86dga.c |
| 1780 | * |
| 1781 | */ |
| 1782 | |
| 1783 | #ifdef DGA_PROTOCOL_OLD_SUPPORT |
| 1784 | |
| 1785 | static int |
| 1786 | ProcXF86DGAGetVideoLL(ClientPtr client) |
| 1787 | { |
| 1788 | REQUEST(xXF86DGAGetVideoLLReq); |
| 1789 | xXF86DGAGetVideoLLReply rep; |
| 1790 | XDGAModeRec mode; |
| 1791 | int num, offset, flags; |
| 1792 | char *name; |
| 1793 | |
| 1794 | if (stuff->screen >= screenInfo.numScreens) |
| 1795 | return BadValue; |
| 1796 | |
| 1797 | REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq); |
| 1798 | rep.type = X_Reply; |
| 1799 | rep.length = 0; |
| 1800 | rep.sequenceNumber = client->sequence; |
| 1801 | |
| 1802 | if (!DGAAvailable(stuff->screen)) |
| 1803 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1804 | |
| 1805 | if (!(num = DGAGetOldDGAMode(stuff->screen))) |
| 1806 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1807 | |
| 1808 | /* get the parameters for the mode that best matches */ |
| 1809 | DGAGetModeInfo(stuff->screen, &mode, num); |
| 1810 | |
| 1811 | if (!DGAOpenFramebuffer(stuff->screen, &name, |
| 1812 | (unsigned char **) (&rep.offset), |
| 1813 | (int *) (&rep.bank_size), &offset, &flags)) |
| 1814 | return BadAlloc; |
| 1815 | |
| 1816 | rep.offset += mode.offset; |
| 1817 | rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3); |
| 1818 | rep.ram_size = rep.bank_size >> 10; |
| 1819 | |
| 1820 | WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *) &rep); |
| 1821 | return Success; |
| 1822 | } |
| 1823 | |
| 1824 | static int |
| 1825 | ProcXF86DGADirectVideo(ClientPtr client) |
| 1826 | { |
| 1827 | int num; |
| 1828 | PixmapPtr pix; |
| 1829 | XDGAModeRec mode; |
| 1830 | ClientPtr owner; |
| 1831 | |
| 1832 | REQUEST(xXF86DGADirectVideoReq); |
| 1833 | |
| 1834 | if (stuff->screen >= screenInfo.numScreens) |
| 1835 | return BadValue; |
| 1836 | REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq); |
| 1837 | |
| 1838 | if (!DGAAvailable(stuff->screen)) |
| 1839 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1840 | |
| 1841 | owner = DGA_GETCLIENT(stuff->screen); |
| 1842 | |
| 1843 | if (owner && owner != client) |
| 1844 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1845 | |
| 1846 | if (stuff->enable & XF86DGADirectGraphics) { |
| 1847 | if (!(num = DGAGetOldDGAMode(stuff->screen))) |
| 1848 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1849 | } |
| 1850 | else |
| 1851 | num = 0; |
| 1852 | |
| 1853 | if (Success != DGASetMode(stuff->screen, num, &mode, &pix)) |
| 1854 | return DGAErrorBase + XF86DGAScreenNotActive; |
| 1855 | |
| 1856 | DGASetInputMode(stuff->screen, |
| 1857 | (stuff->enable & XF86DGADirectKeyb) != 0, |
| 1858 | (stuff->enable & XF86DGADirectMouse) != 0); |
| 1859 | |
| 1860 | /* We need to track the client and attach the teardown callback */ |
| 1861 | if (stuff->enable & |
| 1862 | (XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) { |
| 1863 | if (!owner) { |
| 1864 | if (DGACallbackRefCount++ == 0) |
| 1865 | AddCallback(&ClientStateCallback, DGAClientStateChange, NULL); |
| 1866 | } |
| 1867 | |
| 1868 | DGA_SETCLIENT(stuff->screen, client); |
| 1869 | } |
| 1870 | else { |
| 1871 | if (owner) { |
| 1872 | if (--DGACallbackRefCount == 0) |
| 1873 | DeleteCallback(&ClientStateCallback, DGAClientStateChange, |
| 1874 | NULL); |
| 1875 | } |
| 1876 | |
| 1877 | DGA_SETCLIENT(stuff->screen, NULL); |
| 1878 | } |
| 1879 | |
| 1880 | return Success; |
| 1881 | } |
| 1882 | |
| 1883 | static int |
| 1884 | ProcXF86DGAGetViewPortSize(ClientPtr client) |
| 1885 | { |
| 1886 | int num; |
| 1887 | XDGAModeRec mode; |
| 1888 | |
| 1889 | REQUEST(xXF86DGAGetViewPortSizeReq); |
| 1890 | xXF86DGAGetViewPortSizeReply rep; |
| 1891 | |
| 1892 | if (stuff->screen >= screenInfo.numScreens) |
| 1893 | return BadValue; |
| 1894 | |
| 1895 | REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq); |
| 1896 | rep.type = X_Reply; |
| 1897 | rep.length = 0; |
| 1898 | rep.sequenceNumber = client->sequence; |
| 1899 | |
| 1900 | if (!DGAAvailable(stuff->screen)) |
| 1901 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1902 | |
| 1903 | if (!(num = DGAGetOldDGAMode(stuff->screen))) |
| 1904 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1905 | |
| 1906 | DGAGetModeInfo(stuff->screen, &mode, num); |
| 1907 | |
| 1908 | rep.width = mode.viewportWidth; |
| 1909 | rep.height = mode.viewportHeight; |
| 1910 | |
| 1911 | WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *) &rep); |
| 1912 | return Success; |
| 1913 | } |
| 1914 | |
| 1915 | static int |
| 1916 | ProcXF86DGASetViewPort(ClientPtr client) |
| 1917 | { |
| 1918 | REQUEST(xXF86DGASetViewPortReq); |
| 1919 | |
| 1920 | if (stuff->screen >= screenInfo.numScreens) |
| 1921 | return BadValue; |
| 1922 | |
| 1923 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1924 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1925 | |
| 1926 | REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); |
| 1927 | |
| 1928 | if (!DGAAvailable(stuff->screen)) |
| 1929 | return DGAErrorBase + XF86DGANoDirectVideoMode; |
| 1930 | |
| 1931 | if (!DGAActive(stuff->screen)) |
| 1932 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1933 | |
| 1934 | if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE) |
| 1935 | != Success) |
| 1936 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1937 | |
| 1938 | return Success; |
| 1939 | } |
| 1940 | |
| 1941 | static int |
| 1942 | ProcXF86DGAGetVidPage(ClientPtr client) |
| 1943 | { |
| 1944 | REQUEST(xXF86DGAGetVidPageReq); |
| 1945 | xXF86DGAGetVidPageReply rep; |
| 1946 | |
| 1947 | if (stuff->screen >= screenInfo.numScreens) |
| 1948 | return BadValue; |
| 1949 | |
| 1950 | REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq); |
| 1951 | rep.type = X_Reply; |
| 1952 | rep.length = 0; |
| 1953 | rep.sequenceNumber = client->sequence; |
| 1954 | rep.vpage = 0; /* silently fail */ |
| 1955 | |
| 1956 | WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *) &rep); |
| 1957 | return Success; |
| 1958 | } |
| 1959 | |
| 1960 | static int |
| 1961 | ProcXF86DGASetVidPage(ClientPtr client) |
| 1962 | { |
| 1963 | REQUEST(xXF86DGASetVidPageReq); |
| 1964 | |
| 1965 | if (stuff->screen >= screenInfo.numScreens) |
| 1966 | return BadValue; |
| 1967 | |
| 1968 | REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq); |
| 1969 | |
| 1970 | /* silently fail */ |
| 1971 | |
| 1972 | return Success; |
| 1973 | } |
| 1974 | |
| 1975 | static int |
| 1976 | ProcXF86DGAInstallColormap(ClientPtr client) |
| 1977 | { |
| 1978 | ColormapPtr pcmp; |
| 1979 | int rc; |
| 1980 | |
| 1981 | REQUEST(xXF86DGAInstallColormapReq); |
| 1982 | |
| 1983 | if (stuff->screen >= screenInfo.numScreens) |
| 1984 | return BadValue; |
| 1985 | |
| 1986 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 1987 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1988 | |
| 1989 | REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq); |
| 1990 | |
| 1991 | if (!DGAActive(stuff->screen)) |
| 1992 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 1993 | |
| 1994 | rc = dixLookupResourceByType((pointer *) &pcmp, stuff->id, RT_COLORMAP, |
| 1995 | client, DixInstallAccess); |
| 1996 | if (rc == Success) { |
| 1997 | DGAInstallCmap(pcmp); |
| 1998 | return Success; |
| 1999 | } |
| 2000 | else { |
| 2001 | return rc; |
| 2002 | } |
| 2003 | } |
| 2004 | |
| 2005 | static int |
| 2006 | ProcXF86DGAQueryDirectVideo(ClientPtr client) |
| 2007 | { |
| 2008 | REQUEST(xXF86DGAQueryDirectVideoReq); |
| 2009 | xXF86DGAQueryDirectVideoReply rep; |
| 2010 | |
| 2011 | if (stuff->screen >= screenInfo.numScreens) |
| 2012 | return BadValue; |
| 2013 | |
| 2014 | REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq); |
| 2015 | rep.type = X_Reply; |
| 2016 | rep.length = 0; |
| 2017 | rep.sequenceNumber = client->sequence; |
| 2018 | rep.flags = 0; |
| 2019 | |
| 2020 | if (DGAAvailable(stuff->screen)) |
| 2021 | rep.flags = XF86DGADirectPresent; |
| 2022 | |
| 2023 | WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *) &rep); |
| 2024 | return Success; |
| 2025 | } |
| 2026 | |
| 2027 | static int |
| 2028 | ProcXF86DGAViewPortChanged(ClientPtr client) |
| 2029 | { |
| 2030 | REQUEST(xXF86DGAViewPortChangedReq); |
| 2031 | xXF86DGAViewPortChangedReply rep; |
| 2032 | |
| 2033 | if (stuff->screen >= screenInfo.numScreens) |
| 2034 | return BadValue; |
| 2035 | |
| 2036 | if (DGA_GETCLIENT(stuff->screen) != client) |
| 2037 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 2038 | |
| 2039 | REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq); |
| 2040 | |
| 2041 | if (!DGAActive(stuff->screen)) |
| 2042 | return DGAErrorBase + XF86DGADirectNotActivated; |
| 2043 | |
| 2044 | rep.type = X_Reply; |
| 2045 | rep.length = 0; |
| 2046 | rep.sequenceNumber = client->sequence; |
| 2047 | rep.result = 1; |
| 2048 | |
| 2049 | WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *) &rep); |
| 2050 | return Success; |
| 2051 | } |
| 2052 | |
| 2053 | #endif /* DGA_PROTOCOL_OLD_SUPPORT */ |
| 2054 | |
| 2055 | static int |
| 2056 | SProcXDGADispatch(ClientPtr client) |
| 2057 | { |
| 2058 | return DGAErrorBase + XF86DGAClientNotLocal; |
| 2059 | } |
| 2060 | |
| 2061 | #if 0 |
| 2062 | #define DGA_REQ_DEBUG |
| 2063 | #endif |
| 2064 | |
| 2065 | #ifdef DGA_REQ_DEBUG |
| 2066 | static char *dgaMinor[] = { |
| 2067 | "QueryVersion", |
| 2068 | "GetVideoLL", |
| 2069 | "DirectVideo", |
| 2070 | "GetViewPortSize", |
| 2071 | "SetViewPort", |
| 2072 | "GetVidPage", |
| 2073 | "SetVidPage", |
| 2074 | "InstallColormap", |
| 2075 | "QueryDirectVideo", |
| 2076 | "ViewPortChanged", |
| 2077 | "10", |
| 2078 | "11", |
| 2079 | "QueryModes", |
| 2080 | "SetMode", |
| 2081 | "SetViewport", |
| 2082 | "InstallColormap", |
| 2083 | "SelectInput", |
| 2084 | "FillRectangle", |
| 2085 | "CopyArea", |
| 2086 | "CopyTransparentArea", |
| 2087 | "GetViewportStatus", |
| 2088 | "Sync", |
| 2089 | "OpenFramebuffer", |
| 2090 | "CloseFramebuffer", |
| 2091 | "SetClientVersion", |
| 2092 | "ChangePixmapMode", |
| 2093 | "CreateColormap", |
| 2094 | }; |
| 2095 | #endif |
| 2096 | |
| 2097 | static int |
| 2098 | ProcXDGADispatch(ClientPtr client) |
| 2099 | { |
| 2100 | REQUEST(xReq); |
| 2101 | |
| 2102 | if (!client->local) |
| 2103 | return DGAErrorBase + XF86DGAClientNotLocal; |
| 2104 | |
| 2105 | #ifdef DGA_REQ_DEBUG |
| 2106 | if (stuff->data <= X_XDGACreateColormap) |
| 2107 | fprintf(stderr, " DGA %s\n", dgaMinor[stuff->data]); |
| 2108 | #endif |
| 2109 | |
| 2110 | switch (stuff->data) { |
| 2111 | /* |
| 2112 | * DGA2 Protocol |
| 2113 | */ |
| 2114 | case X_XDGAQueryVersion: |
| 2115 | return ProcXDGAQueryVersion(client); |
| 2116 | case X_XDGAQueryModes: |
| 2117 | return ProcXDGAQueryModes(client); |
| 2118 | case X_XDGASetMode: |
| 2119 | return ProcXDGASetMode(client); |
| 2120 | case X_XDGAOpenFramebuffer: |
| 2121 | return ProcXDGAOpenFramebuffer(client); |
| 2122 | case X_XDGACloseFramebuffer: |
| 2123 | return ProcXDGACloseFramebuffer(client); |
| 2124 | case X_XDGASetViewport: |
| 2125 | return ProcXDGASetViewport(client); |
| 2126 | case X_XDGAInstallColormap: |
| 2127 | return ProcXDGAInstallColormap(client); |
| 2128 | case X_XDGASelectInput: |
| 2129 | return ProcXDGASelectInput(client); |
| 2130 | case X_XDGAFillRectangle: |
| 2131 | return ProcXDGAFillRectangle(client); |
| 2132 | case X_XDGACopyArea: |
| 2133 | return ProcXDGACopyArea(client); |
| 2134 | case X_XDGACopyTransparentArea: |
| 2135 | return ProcXDGACopyTransparentArea(client); |
| 2136 | case X_XDGAGetViewportStatus: |
| 2137 | return ProcXDGAGetViewportStatus(client); |
| 2138 | case X_XDGASync: |
| 2139 | return ProcXDGASync(client); |
| 2140 | case X_XDGASetClientVersion: |
| 2141 | return ProcXDGASetClientVersion(client); |
| 2142 | case X_XDGAChangePixmapMode: |
| 2143 | return ProcXDGAChangePixmapMode(client); |
| 2144 | case X_XDGACreateColormap: |
| 2145 | return ProcXDGACreateColormap(client); |
| 2146 | /* |
| 2147 | * Old DGA Protocol |
| 2148 | */ |
| 2149 | #ifdef DGA_PROTOCOL_OLD_SUPPORT |
| 2150 | case X_XF86DGAGetVideoLL: |
| 2151 | return ProcXF86DGAGetVideoLL(client); |
| 2152 | case X_XF86DGADirectVideo: |
| 2153 | return ProcXF86DGADirectVideo(client); |
| 2154 | case X_XF86DGAGetViewPortSize: |
| 2155 | return ProcXF86DGAGetViewPortSize(client); |
| 2156 | case X_XF86DGASetViewPort: |
| 2157 | return ProcXF86DGASetViewPort(client); |
| 2158 | case X_XF86DGAGetVidPage: |
| 2159 | return ProcXF86DGAGetVidPage(client); |
| 2160 | case X_XF86DGASetVidPage: |
| 2161 | return ProcXF86DGASetVidPage(client); |
| 2162 | case X_XF86DGAInstallColormap: |
| 2163 | return ProcXF86DGAInstallColormap(client); |
| 2164 | case X_XF86DGAQueryDirectVideo: |
| 2165 | return ProcXF86DGAQueryDirectVideo(client); |
| 2166 | case X_XF86DGAViewPortChanged: |
| 2167 | return ProcXF86DGAViewPortChanged(client); |
| 2168 | #endif /* DGA_PROTOCOL_OLD_SUPPORT */ |
| 2169 | default: |
| 2170 | return BadRequest; |
| 2171 | } |
| 2172 | } |
| 2173 | |
| 2174 | void |
| 2175 | XFree86DGAExtensionInit(void) |
| 2176 | { |
| 2177 | ExtensionEntry *extEntry; |
| 2178 | |
| 2179 | if (!dixRegisterPrivateKey(&DGAClientPrivateKeyRec, PRIVATE_CLIENT, 0)) |
| 2180 | return; |
| 2181 | |
| 2182 | if (!dixRegisterPrivateKey(&DGAScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) |
| 2183 | return; |
| 2184 | |
| 2185 | if ((extEntry = AddExtension(XF86DGANAME, |
| 2186 | XF86DGANumberEvents, |
| 2187 | XF86DGANumberErrors, |
| 2188 | ProcXDGADispatch, |
| 2189 | SProcXDGADispatch, |
| 2190 | XDGAResetProc, StandardMinorOpcode))) { |
| 2191 | int i; |
| 2192 | |
| 2193 | DGAReqCode = (unsigned char) extEntry->base; |
| 2194 | DGAErrorBase = extEntry->errorBase; |
| 2195 | DGAEventBase = extEntry->eventBase; |
| 2196 | for (i = KeyPress; i <= MotionNotify; i++) |
| 2197 | SetCriticalEvent(DGAEventBase + i); |
| 2198 | } |
| 2199 | } |