| 1 | /* |
| 2 | * midispcur.c |
| 3 | * |
| 4 | * machine independent cursor display routines |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | |
| 9 | Copyright 1989, 1998 The Open Group |
| 10 | |
| 11 | Permission to use, copy, modify, distribute, and sell this software and its |
| 12 | documentation for any purpose is hereby granted without fee, provided that |
| 13 | the above copyright notice appear in all copies and that both that |
| 14 | copyright notice and this permission notice appear in supporting |
| 15 | documentation. |
| 16 | |
| 17 | The above copyright notice and this permission notice shall be included in |
| 18 | all copies or substantial portions of the Software. |
| 19 | |
| 20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 24 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 25 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | |
| 27 | Except as contained in this notice, the name of The Open Group shall not be |
| 28 | used in advertising or otherwise to promote the sale, use or other dealings |
| 29 | in this Software without prior written authorization from The Open Group. |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_DIX_CONFIG_H |
| 33 | #include <dix-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <X11/X.h> |
| 37 | #include "misc.h" |
| 38 | #include "input.h" |
| 39 | #include "cursorstr.h" |
| 40 | #include "windowstr.h" |
| 41 | #include "regionstr.h" |
| 42 | #include "dixstruct.h" |
| 43 | #include "scrnintstr.h" |
| 44 | #include "servermd.h" |
| 45 | #include "mipointer.h" |
| 46 | #include "misprite.h" |
| 47 | #include "gcstruct.h" |
| 48 | |
| 49 | #ifdef ARGB_CURSOR |
| 50 | #include "picturestr.h" |
| 51 | #endif |
| 52 | |
| 53 | #include "inputstr.h" |
| 54 | |
| 55 | /* per-screen private data */ |
| 56 | static DevPrivateKeyRec miDCScreenKeyRec; |
| 57 | |
| 58 | #define miDCScreenKey (&miDCScreenKeyRec) |
| 59 | |
| 60 | static DevScreenPrivateKeyRec miDCDeviceKeyRec; |
| 61 | |
| 62 | #define miDCDeviceKey (&miDCDeviceKeyRec) |
| 63 | |
| 64 | static Bool miDCCloseScreen(ScreenPtr pScreen); |
| 65 | |
| 66 | /* per device private data */ |
| 67 | typedef struct { |
| 68 | GCPtr pSourceGC, pMaskGC; |
| 69 | GCPtr pSaveGC, pRestoreGC; |
| 70 | PixmapPtr pSave; |
| 71 | #ifdef ARGB_CURSOR |
| 72 | PicturePtr pRootPicture; |
| 73 | #endif |
| 74 | } miDCBufferRec, *miDCBufferPtr; |
| 75 | |
| 76 | #define miGetDCDevice(dev, screen) \ |
| 77 | ((DevHasCursor(dev)) ? \ |
| 78 | (miDCBufferPtr)dixLookupScreenPrivate(&dev->devPrivates, miDCDeviceKey, screen) : \ |
| 79 | (miDCBufferPtr)dixLookupScreenPrivate(&GetMaster(dev, MASTER_POINTER)->devPrivates, miDCDeviceKey, screen)) |
| 80 | |
| 81 | /* |
| 82 | * The core pointer buffer will point to the index of the virtual core pointer |
| 83 | * in the pCursorBuffers array. |
| 84 | */ |
| 85 | typedef struct { |
| 86 | CloseScreenProcPtr CloseScreen; |
| 87 | PixmapPtr sourceBits; /* source bits */ |
| 88 | PixmapPtr maskBits; /* mask bits */ |
| 89 | #ifdef ARGB_CURSOR |
| 90 | PicturePtr pPicture; |
| 91 | #endif |
| 92 | CursorPtr pCursor; |
| 93 | } miDCScreenRec, *miDCScreenPtr; |
| 94 | |
| 95 | #define miGetDCScreen(s) ((miDCScreenPtr)(dixLookupPrivate(&(s)->devPrivates, miDCScreenKey))) |
| 96 | |
| 97 | Bool |
| 98 | miDCInitialize(ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs) |
| 99 | { |
| 100 | miDCScreenPtr pScreenPriv; |
| 101 | |
| 102 | if (!dixRegisterPrivateKey(&miDCScreenKeyRec, PRIVATE_SCREEN, 0) || |
| 103 | !dixRegisterScreenPrivateKey(&miDCDeviceKeyRec, pScreen, PRIVATE_DEVICE, |
| 104 | 0)) |
| 105 | return FALSE; |
| 106 | |
| 107 | pScreenPriv = calloc(1, sizeof(miDCScreenRec)); |
| 108 | if (!pScreenPriv) |
| 109 | return FALSE; |
| 110 | |
| 111 | pScreenPriv->CloseScreen = pScreen->CloseScreen; |
| 112 | pScreen->CloseScreen = miDCCloseScreen; |
| 113 | |
| 114 | dixSetPrivate(&pScreen->devPrivates, miDCScreenKey, pScreenPriv); |
| 115 | |
| 116 | if (!miSpriteInitialize(pScreen, screenFuncs)) { |
| 117 | free((pointer) pScreenPriv); |
| 118 | return FALSE; |
| 119 | } |
| 120 | return TRUE; |
| 121 | } |
| 122 | |
| 123 | static void |
| 124 | miDCSwitchScreenCursor(ScreenPtr pScreen, CursorPtr pCursor, PixmapPtr sourceBits, PixmapPtr maskBits, PicturePtr pPicture) |
| 125 | { |
| 126 | miDCScreenPtr pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miDCScreenKey); |
| 127 | |
| 128 | if (pScreenPriv->sourceBits) |
| 129 | (*pScreen->DestroyPixmap)(pScreenPriv->sourceBits); |
| 130 | pScreenPriv->sourceBits = sourceBits; |
| 131 | |
| 132 | if (pScreenPriv->maskBits) |
| 133 | (*pScreen->DestroyPixmap)(pScreenPriv->maskBits); |
| 134 | pScreenPriv->maskBits = maskBits; |
| 135 | |
| 136 | #ifdef ARGB_CURSOR |
| 137 | if (pScreenPriv->pPicture) |
| 138 | FreePicture(pScreenPriv->pPicture, 0); |
| 139 | pScreenPriv->pPicture = pPicture; |
| 140 | #endif |
| 141 | |
| 142 | pScreenPriv->pCursor = pCursor; |
| 143 | } |
| 144 | |
| 145 | static Bool |
| 146 | miDCCloseScreen(ScreenPtr pScreen) |
| 147 | { |
| 148 | miDCScreenPtr pScreenPriv; |
| 149 | |
| 150 | pScreenPriv = (miDCScreenPtr) dixLookupPrivate(&pScreen->devPrivates, |
| 151 | miDCScreenKey); |
| 152 | pScreen->CloseScreen = pScreenPriv->CloseScreen; |
| 153 | |
| 154 | miDCSwitchScreenCursor(pScreen, NULL, NULL, NULL, NULL); |
| 155 | free((pointer) pScreenPriv); |
| 156 | return (*pScreen->CloseScreen) (pScreen); |
| 157 | } |
| 158 | |
| 159 | Bool |
| 160 | miDCRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor) |
| 161 | { |
| 162 | return TRUE; |
| 163 | } |
| 164 | |
| 165 | #ifdef ARGB_CURSOR |
| 166 | #define EnsurePicture(picture,draw,win) (picture || miDCMakePicture(&picture,draw,win)) |
| 167 | |
| 168 | static PicturePtr |
| 169 | miDCMakePicture(PicturePtr * ppPicture, DrawablePtr pDraw, WindowPtr pWin) |
| 170 | { |
| 171 | PictFormatPtr pFormat; |
| 172 | XID subwindow_mode = IncludeInferiors; |
| 173 | PicturePtr pPicture; |
| 174 | int error; |
| 175 | |
| 176 | pFormat = PictureWindowFormat(pWin); |
| 177 | if (!pFormat) |
| 178 | return 0; |
| 179 | pPicture = CreatePicture(0, pDraw, pFormat, |
| 180 | CPSubwindowMode, &subwindow_mode, |
| 181 | serverClient, &error); |
| 182 | *ppPicture = pPicture; |
| 183 | return pPicture; |
| 184 | } |
| 185 | #endif |
| 186 | |
| 187 | static Bool |
| 188 | miDCRealize(ScreenPtr pScreen, CursorPtr pCursor) |
| 189 | { |
| 190 | miDCScreenPtr pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miDCScreenKey); |
| 191 | GCPtr pGC; |
| 192 | ChangeGCVal gcvals; |
| 193 | PixmapPtr sourceBits, maskBits; |
| 194 | |
| 195 | if (pScreenPriv->pCursor == pCursor) |
| 196 | return TRUE; |
| 197 | |
| 198 | #ifdef ARGB_CURSOR |
| 199 | |
| 200 | if (pCursor->bits->argb) { |
| 201 | PixmapPtr pPixmap; |
| 202 | PictFormatPtr pFormat; |
| 203 | int error; |
| 204 | PicturePtr pPicture; |
| 205 | |
| 206 | pFormat = PictureMatchFormat(pScreen, 32, PICT_a8r8g8b8); |
| 207 | if (!pFormat) |
| 208 | return FALSE; |
| 209 | |
| 210 | pPixmap = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, |
| 211 | pCursor->bits->height, 32, |
| 212 | CREATE_PIXMAP_USAGE_SCRATCH); |
| 213 | if (!pPixmap) |
| 214 | return FALSE; |
| 215 | |
| 216 | pGC = GetScratchGC(32, pScreen); |
| 217 | if (!pGC) { |
| 218 | (*pScreen->DestroyPixmap) (pPixmap); |
| 219 | return FALSE; |
| 220 | } |
| 221 | ValidateGC(&pPixmap->drawable, pGC); |
| 222 | (*pGC->ops->PutImage) (&pPixmap->drawable, pGC, 32, |
| 223 | 0, 0, pCursor->bits->width, |
| 224 | pCursor->bits->height, |
| 225 | 0, ZPixmap, (char *) pCursor->bits->argb); |
| 226 | FreeScratchGC(pGC); |
| 227 | pPicture = CreatePicture(0, &pPixmap->drawable, |
| 228 | pFormat, 0, 0, serverClient, &error); |
| 229 | (*pScreen->DestroyPixmap) (pPixmap); |
| 230 | if (!pPicture) |
| 231 | return FALSE; |
| 232 | |
| 233 | miDCSwitchScreenCursor(pScreen, pCursor, NULL, NULL, pPicture); |
| 234 | return TRUE; |
| 235 | } |
| 236 | #endif |
| 237 | sourceBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, |
| 238 | pCursor->bits->height, 1, 0); |
| 239 | if (!sourceBits) |
| 240 | return FALSE; |
| 241 | |
| 242 | maskBits = (*pScreen->CreatePixmap) (pScreen, pCursor->bits->width, |
| 243 | pCursor->bits->height, 1, 0); |
| 244 | if (!maskBits) { |
| 245 | (*pScreen->DestroyPixmap) (sourceBits); |
| 246 | return FALSE; |
| 247 | } |
| 248 | |
| 249 | /* create the two sets of bits, clipping as appropriate */ |
| 250 | |
| 251 | pGC = GetScratchGC(1, pScreen); |
| 252 | if (!pGC) { |
| 253 | (*pScreen->DestroyPixmap) (sourceBits); |
| 254 | (*pScreen->DestroyPixmap) (maskBits); |
| 255 | return FALSE; |
| 256 | } |
| 257 | |
| 258 | ValidateGC((DrawablePtr) sourceBits, pGC); |
| 259 | (*pGC->ops->PutImage) ((DrawablePtr) sourceBits, pGC, 1, |
| 260 | 0, 0, pCursor->bits->width, pCursor->bits->height, |
| 261 | 0, XYPixmap, (char *) pCursor->bits->source); |
| 262 | gcvals.val = GXand; |
| 263 | ChangeGC(NullClient, pGC, GCFunction, &gcvals); |
| 264 | ValidateGC((DrawablePtr) sourceBits, pGC); |
| 265 | (*pGC->ops->PutImage) ((DrawablePtr) sourceBits, pGC, 1, |
| 266 | 0, 0, pCursor->bits->width, pCursor->bits->height, |
| 267 | 0, XYPixmap, (char *) pCursor->bits->mask); |
| 268 | |
| 269 | /* mask bits -- pCursor->mask & ~pCursor->source */ |
| 270 | gcvals.val = GXcopy; |
| 271 | ChangeGC(NullClient, pGC, GCFunction, &gcvals); |
| 272 | ValidateGC((DrawablePtr) maskBits, pGC); |
| 273 | (*pGC->ops->PutImage) ((DrawablePtr) maskBits, pGC, 1, |
| 274 | 0, 0, pCursor->bits->width, pCursor->bits->height, |
| 275 | 0, XYPixmap, (char *) pCursor->bits->mask); |
| 276 | gcvals.val = GXandInverted; |
| 277 | ChangeGC(NullClient, pGC, GCFunction, &gcvals); |
| 278 | ValidateGC((DrawablePtr) maskBits, pGC); |
| 279 | (*pGC->ops->PutImage) ((DrawablePtr) maskBits, pGC, 1, |
| 280 | 0, 0, pCursor->bits->width, pCursor->bits->height, |
| 281 | 0, XYPixmap, (char *) pCursor->bits->source); |
| 282 | FreeScratchGC(pGC); |
| 283 | |
| 284 | miDCSwitchScreenCursor(pScreen, pCursor, sourceBits, maskBits, NULL); |
| 285 | return TRUE; |
| 286 | } |
| 287 | |
| 288 | Bool |
| 289 | miDCUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor) |
| 290 | { |
| 291 | miDCScreenPtr pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miDCScreenKey); |
| 292 | |
| 293 | if (pCursor == pScreenPriv->pCursor) |
| 294 | miDCSwitchScreenCursor(pScreen, NULL, NULL, NULL, NULL); |
| 295 | return TRUE; |
| 296 | } |
| 297 | |
| 298 | static void |
| 299 | miDCPutBits(DrawablePtr pDrawable, |
| 300 | GCPtr sourceGC, |
| 301 | GCPtr maskGC, |
| 302 | int x_org, |
| 303 | int y_org, |
| 304 | unsigned w, unsigned h, unsigned long source, unsigned long mask) |
| 305 | { |
| 306 | miDCScreenPtr pScreenPriv = dixLookupPrivate(&pDrawable->pScreen->devPrivates, miDCScreenKey); |
| 307 | ChangeGCVal gcval; |
| 308 | int x, y; |
| 309 | |
| 310 | if (sourceGC->fgPixel != source) { |
| 311 | gcval.val = source; |
| 312 | ChangeGC(NullClient, sourceGC, GCForeground, &gcval); |
| 313 | } |
| 314 | if (sourceGC->serialNumber != pDrawable->serialNumber) |
| 315 | ValidateGC(pDrawable, sourceGC); |
| 316 | |
| 317 | if (sourceGC->miTranslate) { |
| 318 | x = pDrawable->x + x_org; |
| 319 | y = pDrawable->y + y_org; |
| 320 | } |
| 321 | else { |
| 322 | x = x_org; |
| 323 | y = y_org; |
| 324 | } |
| 325 | |
| 326 | (*sourceGC->ops->PushPixels) (sourceGC, pScreenPriv->sourceBits, pDrawable, w, h, |
| 327 | x, y); |
| 328 | if (maskGC->fgPixel != mask) { |
| 329 | gcval.val = mask; |
| 330 | ChangeGC(NullClient, maskGC, GCForeground, &gcval); |
| 331 | } |
| 332 | if (maskGC->serialNumber != pDrawable->serialNumber) |
| 333 | ValidateGC(pDrawable, maskGC); |
| 334 | |
| 335 | if (maskGC->miTranslate) { |
| 336 | x = pDrawable->x + x_org; |
| 337 | y = pDrawable->y + y_org; |
| 338 | } |
| 339 | else { |
| 340 | x = x_org; |
| 341 | y = y_org; |
| 342 | } |
| 343 | |
| 344 | (*maskGC->ops->PushPixels) (maskGC, pScreenPriv->maskBits, pDrawable, w, h, x, y); |
| 345 | } |
| 346 | |
| 347 | static GCPtr |
| 348 | miDCMakeGC(WindowPtr pWin) |
| 349 | { |
| 350 | GCPtr pGC; |
| 351 | int status; |
| 352 | XID gcvals[2]; |
| 353 | |
| 354 | gcvals[0] = IncludeInferiors; |
| 355 | gcvals[1] = FALSE; |
| 356 | pGC = CreateGC((DrawablePtr) pWin, |
| 357 | GCSubwindowMode | GCGraphicsExposures, gcvals, &status, |
| 358 | (XID) 0, serverClient); |
| 359 | return pGC; |
| 360 | } |
| 361 | |
| 362 | Bool |
| 363 | miDCPutUpCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor, |
| 364 | int x, int y, unsigned long source, unsigned long mask) |
| 365 | { |
| 366 | miDCScreenPtr pScreenPriv = dixLookupPrivate(&pScreen->devPrivates, miDCScreenKey); |
| 367 | miDCBufferPtr pBuffer; |
| 368 | WindowPtr pWin; |
| 369 | |
| 370 | if (!miDCRealize(pScreen, pCursor)) |
| 371 | return FALSE; |
| 372 | |
| 373 | pWin = pScreen->root; |
| 374 | pBuffer = miGetDCDevice(pDev, pScreen); |
| 375 | |
| 376 | #ifdef ARGB_CURSOR |
| 377 | if (pScreenPriv->pPicture) { |
| 378 | if (!EnsurePicture(pBuffer->pRootPicture, &pWin->drawable, pWin)) |
| 379 | return FALSE; |
| 380 | CompositePicture(PictOpOver, |
| 381 | pScreenPriv->pPicture, |
| 382 | NULL, |
| 383 | pBuffer->pRootPicture, |
| 384 | 0, 0, 0, 0, |
| 385 | x, y, pCursor->bits->width, pCursor->bits->height); |
| 386 | } |
| 387 | else |
| 388 | #endif |
| 389 | { |
| 390 | miDCPutBits((DrawablePtr) pWin, |
| 391 | pBuffer->pSourceGC, pBuffer->pMaskGC, |
| 392 | x, y, pCursor->bits->width, pCursor->bits->height, |
| 393 | source, mask); |
| 394 | } |
| 395 | return TRUE; |
| 396 | } |
| 397 | |
| 398 | Bool |
| 399 | miDCSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 400 | int x, int y, int w, int h) |
| 401 | { |
| 402 | miDCBufferPtr pBuffer; |
| 403 | PixmapPtr pSave; |
| 404 | WindowPtr pWin; |
| 405 | GCPtr pGC; |
| 406 | |
| 407 | pBuffer = miGetDCDevice(pDev, pScreen); |
| 408 | |
| 409 | pSave = pBuffer->pSave; |
| 410 | pWin = pScreen->root; |
| 411 | if (!pSave || pSave->drawable.width < w || pSave->drawable.height < h) { |
| 412 | if (pSave) |
| 413 | (*pScreen->DestroyPixmap) (pSave); |
| 414 | pBuffer->pSave = pSave = |
| 415 | (*pScreen->CreatePixmap) (pScreen, w, h, pScreen->rootDepth, 0); |
| 416 | if (!pSave) |
| 417 | return FALSE; |
| 418 | } |
| 419 | |
| 420 | pGC = pBuffer->pSaveGC; |
| 421 | if (pSave->drawable.serialNumber != pGC->serialNumber) |
| 422 | ValidateGC((DrawablePtr) pSave, pGC); |
| 423 | (*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC, |
| 424 | x, y, w, h, 0, 0); |
| 425 | return TRUE; |
| 426 | } |
| 427 | |
| 428 | Bool |
| 429 | miDCRestoreUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen, |
| 430 | int x, int y, int w, int h) |
| 431 | { |
| 432 | miDCBufferPtr pBuffer; |
| 433 | PixmapPtr pSave; |
| 434 | WindowPtr pWin; |
| 435 | GCPtr pGC; |
| 436 | |
| 437 | pBuffer = miGetDCDevice(pDev, pScreen); |
| 438 | pSave = pBuffer->pSave; |
| 439 | |
| 440 | pWin = pScreen->root; |
| 441 | if (!pSave) |
| 442 | return FALSE; |
| 443 | |
| 444 | pGC = pBuffer->pRestoreGC; |
| 445 | if (pWin->drawable.serialNumber != pGC->serialNumber) |
| 446 | ValidateGC((DrawablePtr) pWin, pGC); |
| 447 | (*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC, |
| 448 | 0, 0, w, h, x, y); |
| 449 | return TRUE; |
| 450 | } |
| 451 | |
| 452 | Bool |
| 453 | miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 454 | { |
| 455 | miDCBufferPtr pBuffer; |
| 456 | WindowPtr pWin; |
| 457 | int i; |
| 458 | |
| 459 | if (!DevHasCursor(pDev)) |
| 460 | return TRUE; |
| 461 | |
| 462 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 463 | pScreen = screenInfo.screens[i]; |
| 464 | |
| 465 | pBuffer = calloc(1, sizeof(miDCBufferRec)); |
| 466 | if (!pBuffer) |
| 467 | goto failure; |
| 468 | |
| 469 | dixSetScreenPrivate(&pDev->devPrivates, miDCDeviceKey, pScreen, |
| 470 | pBuffer); |
| 471 | pWin = pScreen->root; |
| 472 | |
| 473 | pBuffer->pSourceGC = miDCMakeGC(pWin); |
| 474 | if (!pBuffer->pSourceGC) |
| 475 | goto failure; |
| 476 | |
| 477 | pBuffer->pMaskGC = miDCMakeGC(pWin); |
| 478 | if (!pBuffer->pMaskGC) |
| 479 | goto failure; |
| 480 | |
| 481 | pBuffer->pSaveGC = miDCMakeGC(pWin); |
| 482 | if (!pBuffer->pSaveGC) |
| 483 | goto failure; |
| 484 | |
| 485 | pBuffer->pRestoreGC = miDCMakeGC(pWin); |
| 486 | if (!pBuffer->pRestoreGC) |
| 487 | goto failure; |
| 488 | |
| 489 | #ifdef ARGB_CURSOR |
| 490 | pBuffer->pRootPicture = NULL; |
| 491 | #endif |
| 492 | |
| 493 | /* (re)allocated lazily depending on the cursor size */ |
| 494 | pBuffer->pSave = NULL; |
| 495 | } |
| 496 | |
| 497 | return TRUE; |
| 498 | |
| 499 | failure: |
| 500 | |
| 501 | miDCDeviceCleanup(pDev, pScreen); |
| 502 | |
| 503 | return FALSE; |
| 504 | } |
| 505 | |
| 506 | void |
| 507 | miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen) |
| 508 | { |
| 509 | miDCBufferPtr pBuffer; |
| 510 | int i; |
| 511 | |
| 512 | if (DevHasCursor(pDev)) { |
| 513 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 514 | pScreen = screenInfo.screens[i]; |
| 515 | |
| 516 | pBuffer = miGetDCDevice(pDev, pScreen); |
| 517 | |
| 518 | if (pBuffer) { |
| 519 | if (pBuffer->pSourceGC) |
| 520 | FreeGC(pBuffer->pSourceGC, (GContext) 0); |
| 521 | if (pBuffer->pMaskGC) |
| 522 | FreeGC(pBuffer->pMaskGC, (GContext) 0); |
| 523 | if (pBuffer->pSaveGC) |
| 524 | FreeGC(pBuffer->pSaveGC, (GContext) 0); |
| 525 | if (pBuffer->pRestoreGC) |
| 526 | FreeGC(pBuffer->pRestoreGC, (GContext) 0); |
| 527 | |
| 528 | #ifdef ARGB_CURSOR |
| 529 | /* If a pRootPicture was allocated for a root window, it |
| 530 | * is freed when that root window is destroyed, so don't |
| 531 | * free it again here. */ |
| 532 | #endif |
| 533 | |
| 534 | if (pBuffer->pSave) |
| 535 | (*pScreen->DestroyPixmap) (pBuffer->pSave); |
| 536 | |
| 537 | free(pBuffer); |
| 538 | dixSetScreenPrivate(&pDev->devPrivates, miDCDeviceKey, pScreen, |
| 539 | NULL); |
| 540 | } |
| 541 | } |
| 542 | } |
| 543 | } |