| 1 | /* |
| 2 | * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Kevin E. Martin <kem@redhat.com> |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /** \file |
| 35 | * Provide support for the RENDER extension (version 0.8). |
| 36 | */ |
| 37 | |
| 38 | #ifdef HAVE_DMX_CONFIG_H |
| 39 | #include <dmx-config.h> |
| 40 | #endif |
| 41 | |
| 42 | #include "dmx.h" |
| 43 | #include "dmxsync.h" |
| 44 | #include "dmxpict.h" |
| 45 | #include "dmxwindow.h" |
| 46 | #include "dmxpixmap.h" |
| 47 | |
| 48 | #include "fb.h" |
| 49 | #include "pixmapstr.h" |
| 50 | #include "dixstruct.h" |
| 51 | |
| 52 | #include <X11/extensions/render.h> |
| 53 | #include <X11/extensions/renderproto.h> |
| 54 | #include <X11/extensions/Xfixes.h> |
| 55 | #include "picture.h" |
| 56 | #include "picturestr.h" |
| 57 | #include "mipict.h" |
| 58 | #include "fbpict.h" |
| 59 | |
| 60 | extern int RenderErrBase; |
| 61 | extern int (*ProcRenderVector[RenderNumberRequests]) (ClientPtr); |
| 62 | |
| 63 | static int (*dmxSaveRenderVector[RenderNumberRequests]) (ClientPtr); |
| 64 | |
| 65 | static int dmxProcRenderCreateGlyphSet(ClientPtr client); |
| 66 | static int dmxProcRenderFreeGlyphSet(ClientPtr client); |
| 67 | static int dmxProcRenderAddGlyphs(ClientPtr client); |
| 68 | static int dmxProcRenderFreeGlyphs(ClientPtr client); |
| 69 | static int dmxProcRenderCompositeGlyphs(ClientPtr client); |
| 70 | static int dmxProcRenderSetPictureTransform(ClientPtr client); |
| 71 | static int dmxProcRenderSetPictureFilter(ClientPtr client); |
| 72 | |
| 73 | #if 0 |
| 74 | /* FIXME: Not (yet) supported */ |
| 75 | static int dmxProcRenderCreateCursor(ClientPtr client); |
| 76 | static int dmxProcRenderCreateAnimCursor(ClientPtr client); |
| 77 | #endif |
| 78 | |
| 79 | /** Catch errors that might occur when allocating Glyph Sets. Errors |
| 80 | * are saved in dmxGlyphLastError for later handling. */ |
| 81 | static int dmxGlyphLastError; |
| 82 | static int |
| 83 | dmxGlyphErrorHandler(Display * dpy, XErrorEvent * ev) |
| 84 | { |
| 85 | dmxGlyphLastError = ev->error_code; |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | /** Initialize the Proc Vector for the RENDER extension. The functions |
| 90 | * here cannot be handled by the mi layer RENDER hooks either because |
| 91 | * the required information is no longer available when it reaches the |
| 92 | * mi layer or no mi layer hooks exist. This function is called from |
| 93 | * InitOutput() since it should be initialized only once per server |
| 94 | * generation. */ |
| 95 | void |
| 96 | dmxInitRender(void) |
| 97 | { |
| 98 | int i; |
| 99 | |
| 100 | for (i = 0; i < RenderNumberRequests; i++) |
| 101 | dmxSaveRenderVector[i] = ProcRenderVector[i]; |
| 102 | |
| 103 | ProcRenderVector[X_RenderCreateGlyphSet] |
| 104 | = dmxProcRenderCreateGlyphSet; |
| 105 | ProcRenderVector[X_RenderFreeGlyphSet] |
| 106 | = dmxProcRenderFreeGlyphSet; |
| 107 | ProcRenderVector[X_RenderAddGlyphs] |
| 108 | = dmxProcRenderAddGlyphs; |
| 109 | ProcRenderVector[X_RenderFreeGlyphs] |
| 110 | = dmxProcRenderFreeGlyphs; |
| 111 | ProcRenderVector[X_RenderCompositeGlyphs8] |
| 112 | = dmxProcRenderCompositeGlyphs; |
| 113 | ProcRenderVector[X_RenderCompositeGlyphs16] |
| 114 | = dmxProcRenderCompositeGlyphs; |
| 115 | ProcRenderVector[X_RenderCompositeGlyphs32] |
| 116 | = dmxProcRenderCompositeGlyphs; |
| 117 | ProcRenderVector[X_RenderSetPictureTransform] |
| 118 | = dmxProcRenderSetPictureTransform; |
| 119 | ProcRenderVector[X_RenderSetPictureFilter] |
| 120 | = dmxProcRenderSetPictureFilter; |
| 121 | } |
| 122 | |
| 123 | /** Reset the Proc Vector for the RENDER extension back to the original |
| 124 | * functions. This function is called from dmxCloseScreen() during the |
| 125 | * server reset (only for screen #0). */ |
| 126 | void |
| 127 | dmxResetRender(void) |
| 128 | { |
| 129 | int i; |
| 130 | |
| 131 | for (i = 0; i < RenderNumberRequests; i++) |
| 132 | ProcRenderVector[i] = dmxSaveRenderVector[i]; |
| 133 | } |
| 134 | |
| 135 | /** Initialize the RENDER extension, allocate the picture privates and |
| 136 | * wrap mi function hooks. If the shadow frame buffer is used, then |
| 137 | * call the appropriate fb initialization function. */ |
| 138 | Bool |
| 139 | dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats) |
| 140 | { |
| 141 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 142 | PictureScreenPtr ps; |
| 143 | |
| 144 | if (!miPictureInit(pScreen, formats, nformats)) |
| 145 | return FALSE; |
| 146 | |
| 147 | if (!dixRegisterPrivateKey |
| 148 | (&dmxPictPrivateKeyRec, PRIVATE_PICTURE, sizeof(dmxPictPrivRec))) |
| 149 | return FALSE; |
| 150 | |
| 151 | ps = GetPictureScreen(pScreen); |
| 152 | |
| 153 | DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps); |
| 154 | DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps); |
| 155 | |
| 156 | DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps); |
| 157 | DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps); |
| 158 | |
| 159 | DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps); |
| 160 | DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps); |
| 161 | |
| 162 | DMX_WRAP(Composite, dmxComposite, dmxScreen, ps); |
| 163 | DMX_WRAP(Glyphs, dmxGlyphs, dmxScreen, ps); |
| 164 | DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps); |
| 165 | |
| 166 | DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps); |
| 167 | DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps); |
| 168 | |
| 169 | return TRUE; |
| 170 | } |
| 171 | |
| 172 | /** Find the appropriate format on the requested screen given the |
| 173 | * internal format requested. The list of formats is searched |
| 174 | * sequentially as the XRenderFindFormat() function does not always |
| 175 | * find the appropriate format when a specific format is requested. */ |
| 176 | static XRenderPictFormat * |
| 177 | dmxFindFormat(DMXScreenInfo * dmxScreen, PictFormatPtr pFmt) |
| 178 | { |
| 179 | XRenderPictFormat *pFormat = NULL; |
| 180 | int i = 0; |
| 181 | |
| 182 | if (!pFmt || !dmxScreen->beDisplay) |
| 183 | return pFormat; |
| 184 | |
| 185 | while (1) { |
| 186 | pFormat = XRenderFindFormat(dmxScreen->beDisplay, 0, 0, i++); |
| 187 | if (!pFormat) |
| 188 | break; |
| 189 | |
| 190 | if (pFormat->type != pFmt->type) |
| 191 | continue; |
| 192 | if (pFormat->depth != pFmt->depth) |
| 193 | continue; |
| 194 | if (pFormat->direct.red != pFmt->direct.red) |
| 195 | continue; |
| 196 | if (pFormat->direct.redMask != pFmt->direct.redMask) |
| 197 | continue; |
| 198 | if (pFormat->direct.green != pFmt->direct.green) |
| 199 | continue; |
| 200 | if (pFormat->direct.greenMask != pFmt->direct.greenMask) |
| 201 | continue; |
| 202 | if (pFormat->direct.blue != pFmt->direct.blue) |
| 203 | continue; |
| 204 | if (pFormat->direct.blueMask != pFmt->direct.blueMask) |
| 205 | continue; |
| 206 | if (pFormat->direct.alpha != pFmt->direct.alpha) |
| 207 | continue; |
| 208 | if (pFormat->direct.alphaMask != pFmt->direct.alphaMask) |
| 209 | continue; |
| 210 | |
| 211 | /* We have a match! */ |
| 212 | break; |
| 213 | } |
| 214 | |
| 215 | return pFormat; |
| 216 | } |
| 217 | |
| 218 | /** Free \a glyphSet on back-end screen number \a idx. */ |
| 219 | Bool |
| 220 | dmxBEFreeGlyphSet(ScreenPtr pScreen, GlyphSetPtr glyphSet) |
| 221 | { |
| 222 | dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 223 | int idx = pScreen->myNum; |
| 224 | DMXScreenInfo *dmxScreen = &dmxScreens[idx]; |
| 225 | |
| 226 | if (glyphPriv->glyphSets[idx]) { |
| 227 | XRenderFreeGlyphSet(dmxScreen->beDisplay, glyphPriv->glyphSets[idx]); |
| 228 | glyphPriv->glyphSets[idx] = (GlyphSet) 0; |
| 229 | return TRUE; |
| 230 | } |
| 231 | |
| 232 | return FALSE; |
| 233 | } |
| 234 | |
| 235 | /** Create \a glyphSet on the backend screen number \a idx. */ |
| 236 | int |
| 237 | dmxBECreateGlyphSet(int idx, GlyphSetPtr glyphSet) |
| 238 | { |
| 239 | XRenderPictFormat *pFormat; |
| 240 | DMXScreenInfo *dmxScreen = &dmxScreens[idx]; |
| 241 | dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 242 | PictFormatPtr pFmt = glyphSet->format; |
| 243 | int (*oldErrorHandler) (Display *, XErrorEvent *); |
| 244 | |
| 245 | pFormat = dmxFindFormat(dmxScreen, pFmt); |
| 246 | if (!pFormat) { |
| 247 | return BadMatch; |
| 248 | } |
| 249 | |
| 250 | dmxGlyphLastError = 0; |
| 251 | oldErrorHandler = XSetErrorHandler(dmxGlyphErrorHandler); |
| 252 | |
| 253 | /* Catch when this fails */ |
| 254 | glyphPriv->glyphSets[idx] |
| 255 | = XRenderCreateGlyphSet(dmxScreen->beDisplay, pFormat); |
| 256 | |
| 257 | XSetErrorHandler(oldErrorHandler); |
| 258 | |
| 259 | if (dmxGlyphLastError) { |
| 260 | return dmxGlyphLastError; |
| 261 | } |
| 262 | |
| 263 | return Success; |
| 264 | } |
| 265 | |
| 266 | /** Create a Glyph Set on each screen. Save the glyphset ID from each |
| 267 | * screen in the Glyph Set's private structure. Fail if the format |
| 268 | * requested is not available or if the Glyph Set cannot be created on |
| 269 | * the screen. */ |
| 270 | static int |
| 271 | dmxProcRenderCreateGlyphSet(ClientPtr client) |
| 272 | { |
| 273 | int ret; |
| 274 | |
| 275 | REQUEST(xRenderCreateGlyphSetReq); |
| 276 | |
| 277 | ret = dmxSaveRenderVector[stuff->renderReqType] (client); |
| 278 | |
| 279 | if (ret == Success) { |
| 280 | GlyphSetPtr glyphSet; |
| 281 | dmxGlyphPrivPtr glyphPriv; |
| 282 | int i; |
| 283 | |
| 284 | /* Look up glyphSet that was just created ???? */ |
| 285 | /* Store glyphsets from backends in glyphSet->devPrivate ????? */ |
| 286 | /* Make sure we handle all errors here!! */ |
| 287 | |
| 288 | dixLookupResourceByType((pointer *) &glyphSet, |
| 289 | stuff->gsid, GlyphSetType, |
| 290 | client, DixDestroyAccess); |
| 291 | |
| 292 | glyphPriv = malloc(sizeof(dmxGlyphPrivRec)); |
| 293 | if (!glyphPriv) |
| 294 | return BadAlloc; |
| 295 | glyphPriv->glyphSets = NULL; |
| 296 | MAXSCREENSALLOC_RETURN(glyphPriv->glyphSets, BadAlloc); |
| 297 | DMX_SET_GLYPH_PRIV(glyphSet, glyphPriv); |
| 298 | |
| 299 | for (i = 0; i < dmxNumScreens; i++) { |
| 300 | DMXScreenInfo *dmxScreen = &dmxScreens[i]; |
| 301 | int beret; |
| 302 | |
| 303 | if (!dmxScreen->beDisplay) { |
| 304 | glyphPriv->glyphSets[i] = 0; |
| 305 | continue; |
| 306 | } |
| 307 | |
| 308 | if ((beret = dmxBECreateGlyphSet(i, glyphSet)) != Success) { |
| 309 | int j; |
| 310 | |
| 311 | /* Free the glyph sets we've allocated thus far */ |
| 312 | for (j = 0; j < i; j++) |
| 313 | dmxBEFreeGlyphSet(screenInfo.screens[j], glyphSet); |
| 314 | |
| 315 | /* Free the resource created by render */ |
| 316 | FreeResource(stuff->gsid, RT_NONE); |
| 317 | |
| 318 | return beret; |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | return ret; |
| 324 | } |
| 325 | |
| 326 | /** Free the previously allocated Glyph Sets for each screen. */ |
| 327 | static int |
| 328 | dmxProcRenderFreeGlyphSet(ClientPtr client) |
| 329 | { |
| 330 | GlyphSetPtr glyphSet; |
| 331 | |
| 332 | REQUEST(xRenderFreeGlyphSetReq); |
| 333 | |
| 334 | REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq); |
| 335 | dixLookupResourceByType((pointer *) &glyphSet, |
| 336 | stuff->glyphset, GlyphSetType, |
| 337 | client, DixDestroyAccess); |
| 338 | |
| 339 | if (glyphSet && glyphSet->refcnt == 1) { |
| 340 | dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 341 | int i; |
| 342 | |
| 343 | for (i = 0; i < dmxNumScreens; i++) { |
| 344 | DMXScreenInfo *dmxScreen = &dmxScreens[i]; |
| 345 | |
| 346 | if (dmxScreen->beDisplay) { |
| 347 | if (dmxBEFreeGlyphSet(screenInfo.screens[i], glyphSet)) |
| 348 | dmxSync(dmxScreen, FALSE); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | MAXSCREENSFREE(glyphPriv->glyphSets); |
| 353 | free(glyphPriv); |
| 354 | DMX_SET_GLYPH_PRIV(glyphSet, NULL); |
| 355 | } |
| 356 | |
| 357 | return dmxSaveRenderVector[stuff->renderReqType] (client); |
| 358 | } |
| 359 | |
| 360 | /** Add glyphs to the Glyph Set on each screen. */ |
| 361 | static int |
| 362 | dmxProcRenderAddGlyphs(ClientPtr client) |
| 363 | { |
| 364 | int ret; |
| 365 | |
| 366 | REQUEST(xRenderAddGlyphsReq); |
| 367 | |
| 368 | ret = dmxSaveRenderVector[stuff->renderReqType] (client); |
| 369 | |
| 370 | if (ret == Success) { |
| 371 | GlyphSetPtr glyphSet; |
| 372 | dmxGlyphPrivPtr glyphPriv; |
| 373 | int i; |
| 374 | int nglyphs; |
| 375 | CARD32 *gids; |
| 376 | Glyph *gidsCopy; |
| 377 | xGlyphInfo *gi; |
| 378 | CARD8 *bits; |
| 379 | int nbytes; |
| 380 | |
| 381 | dixLookupResourceByType((pointer *) &glyphSet, |
| 382 | stuff->glyphset, GlyphSetType, |
| 383 | client, DixReadAccess); |
| 384 | glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 385 | |
| 386 | nglyphs = stuff->nglyphs; |
| 387 | gids = (CARD32 *) (stuff + 1); |
| 388 | gi = (xGlyphInfo *) (gids + nglyphs); |
| 389 | bits = (CARD8 *) (gi + nglyphs); |
| 390 | nbytes = ((stuff->length << 2) - |
| 391 | sizeof(xRenderAddGlyphsReq) - |
| 392 | (sizeof(CARD32) + sizeof(xGlyphInfo)) * nglyphs); |
| 393 | |
| 394 | gidsCopy = malloc(sizeof(*gidsCopy) * nglyphs); |
| 395 | for (i = 0; i < nglyphs; i++) |
| 396 | gidsCopy[i] = gids[i]; |
| 397 | |
| 398 | /* FIXME: Will this ever fail? */ |
| 399 | for (i = 0; i < dmxNumScreens; i++) { |
| 400 | DMXScreenInfo *dmxScreen = &dmxScreens[i]; |
| 401 | |
| 402 | if (dmxScreen->beDisplay) { |
| 403 | XRenderAddGlyphs(dmxScreen->beDisplay, |
| 404 | glyphPriv->glyphSets[i], |
| 405 | gidsCopy, |
| 406 | (XGlyphInfo *) gi, |
| 407 | nglyphs, (char *) bits, nbytes); |
| 408 | dmxSync(dmxScreen, FALSE); |
| 409 | } |
| 410 | } |
| 411 | free(gidsCopy); |
| 412 | } |
| 413 | |
| 414 | return ret; |
| 415 | } |
| 416 | |
| 417 | /** Free glyphs from the Glyph Set for each screen. */ |
| 418 | static int |
| 419 | dmxProcRenderFreeGlyphs(ClientPtr client) |
| 420 | { |
| 421 | GlyphSetPtr glyphSet; |
| 422 | |
| 423 | REQUEST(xRenderFreeGlyphsReq); |
| 424 | |
| 425 | REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq); |
| 426 | dixLookupResourceByType((pointer *) &glyphSet, |
| 427 | stuff->glyphset, GlyphSetType, |
| 428 | client, DixWriteAccess); |
| 429 | |
| 430 | if (glyphSet) { |
| 431 | dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 432 | int i; |
| 433 | int nglyphs; |
| 434 | Glyph *gids; |
| 435 | |
| 436 | nglyphs = ((client->req_len << 2) - sizeof(xRenderFreeGlyphsReq)) >> 2; |
| 437 | if (nglyphs) { |
| 438 | gids = malloc(sizeof(*gids) * nglyphs); |
| 439 | for (i = 0; i < nglyphs; i++) |
| 440 | gids[i] = ((CARD32 *) (stuff + 1))[i]; |
| 441 | |
| 442 | for (i = 0; i < dmxNumScreens; i++) { |
| 443 | DMXScreenInfo *dmxScreen = &dmxScreens[i]; |
| 444 | |
| 445 | if (dmxScreen->beDisplay) { |
| 446 | XRenderFreeGlyphs(dmxScreen->beDisplay, |
| 447 | glyphPriv->glyphSets[i], gids, nglyphs); |
| 448 | dmxSync(dmxScreen, FALSE); |
| 449 | } |
| 450 | } |
| 451 | free(gids); |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | return dmxSaveRenderVector[stuff->renderReqType] (client); |
| 456 | } |
| 457 | |
| 458 | /** Composite glyphs on each screen into the requested picture. If |
| 459 | * either the src or dest picture has not been allocated due to lazy |
| 460 | * window creation, this request will gracefully return. */ |
| 461 | static int |
| 462 | dmxProcRenderCompositeGlyphs(ClientPtr client) |
| 463 | { |
| 464 | int ret; |
| 465 | |
| 466 | REQUEST(xRenderCompositeGlyphsReq); |
| 467 | |
| 468 | ret = dmxSaveRenderVector[stuff->renderReqType] (client); |
| 469 | |
| 470 | /* For the following to work with PanoramiX, it assumes that Render |
| 471 | * wraps the ProcRenderVector after dmxRenderInit has been called. |
| 472 | */ |
| 473 | if (ret == Success) { |
| 474 | PicturePtr pSrc; |
| 475 | dmxPictPrivPtr pSrcPriv; |
| 476 | PicturePtr pDst; |
| 477 | dmxPictPrivPtr pDstPriv; |
| 478 | PictFormatPtr pFmt; |
| 479 | XRenderPictFormat *pFormat; |
| 480 | int size; |
| 481 | |
| 482 | int scrnNum; |
| 483 | DMXScreenInfo *dmxScreen; |
| 484 | |
| 485 | CARD8 *buffer; |
| 486 | CARD8 *end; |
| 487 | int space; |
| 488 | |
| 489 | int nglyph; |
| 490 | char *glyphs; |
| 491 | char *curGlyph; |
| 492 | |
| 493 | xGlyphElt *elt; |
| 494 | int nelt; |
| 495 | XGlyphElt8 *elts; |
| 496 | XGlyphElt8 *curElt; |
| 497 | |
| 498 | GlyphSetPtr glyphSet; |
| 499 | dmxGlyphPrivPtr glyphPriv; |
| 500 | |
| 501 | dixLookupResourceByType((pointer *) &pSrc, |
| 502 | stuff->src, PictureType, client, DixReadAccess); |
| 503 | |
| 504 | pSrcPriv = DMX_GET_PICT_PRIV(pSrc); |
| 505 | if (!pSrcPriv->pict) |
| 506 | return ret; |
| 507 | |
| 508 | dixLookupResourceByType((pointer *) &pDst, |
| 509 | stuff->dst, PictureType, |
| 510 | client, DixWriteAccess); |
| 511 | |
| 512 | pDstPriv = DMX_GET_PICT_PRIV(pDst); |
| 513 | if (!pDstPriv->pict) |
| 514 | return ret; |
| 515 | |
| 516 | scrnNum = pDst->pDrawable->pScreen->myNum; |
| 517 | dmxScreen = &dmxScreens[scrnNum]; |
| 518 | |
| 519 | /* Note: If the back-end display has been detached, then it |
| 520 | * should not be possible to reach here since the pSrcPriv->pict |
| 521 | * and pDstPriv->pict will have already been set to 0. |
| 522 | */ |
| 523 | if (!dmxScreen->beDisplay) |
| 524 | return ret; |
| 525 | |
| 526 | if (stuff->maskFormat) |
| 527 | dixLookupResourceByType((pointer *) &pFmt, |
| 528 | stuff->maskFormat, PictFormatType, |
| 529 | client, DixReadAccess); |
| 530 | else |
| 531 | pFmt = NULL; |
| 532 | |
| 533 | pFormat = dmxFindFormat(dmxScreen, pFmt); |
| 534 | |
| 535 | switch (stuff->renderReqType) { |
| 536 | case X_RenderCompositeGlyphs8: |
| 537 | size = sizeof(CARD8); |
| 538 | break; |
| 539 | case X_RenderCompositeGlyphs16: |
| 540 | size = sizeof(CARD16); |
| 541 | break; |
| 542 | case X_RenderCompositeGlyphs32: |
| 543 | size = sizeof(CARD32); |
| 544 | break; |
| 545 | default: |
| 546 | return BadPictOp; /* Can't happen */ |
| 547 | } |
| 548 | |
| 549 | buffer = (CARD8 *) (stuff + 1); |
| 550 | end = (CARD8 *) stuff + (stuff->length << 2); |
| 551 | nelt = 0; |
| 552 | nglyph = 0; |
| 553 | while (buffer + sizeof(xGlyphElt) < end) { |
| 554 | elt = (xGlyphElt *) buffer; |
| 555 | buffer += sizeof(xGlyphElt); |
| 556 | |
| 557 | if (elt->len == 0xff) { |
| 558 | buffer += 4; |
| 559 | } |
| 560 | else { |
| 561 | nelt++; |
| 562 | nglyph += elt->len; |
| 563 | space = size * elt->len; |
| 564 | if (space & 3) |
| 565 | space += 4 - (space & 3); |
| 566 | buffer += space; |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | /* The following only works for Render version > 0.2 */ |
| 571 | |
| 572 | /* All of the XGlyphElt* structure sizes are identical */ |
| 573 | elts = malloc(nelt * sizeof(XGlyphElt8)); |
| 574 | if (!elts) |
| 575 | return BadAlloc; |
| 576 | |
| 577 | glyphs = malloc(nglyph * size); |
| 578 | if (!glyphs) { |
| 579 | free(elts); |
| 580 | return BadAlloc; |
| 581 | } |
| 582 | |
| 583 | buffer = (CARD8 *) (stuff + 1); |
| 584 | end = (CARD8 *) stuff + (stuff->length << 2); |
| 585 | curGlyph = glyphs; |
| 586 | curElt = elts; |
| 587 | |
| 588 | dixLookupResourceByType((pointer *) &glyphSet, |
| 589 | stuff->glyphset, GlyphSetType, |
| 590 | client, DixReadAccess); |
| 591 | glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 592 | |
| 593 | while (buffer + sizeof(xGlyphElt) < end) { |
| 594 | elt = (xGlyphElt *) buffer; |
| 595 | buffer += sizeof(xGlyphElt); |
| 596 | |
| 597 | if (elt->len == 0xff) { |
| 598 | dixLookupResourceByType((pointer *) &glyphSet, |
| 599 | *((CARD32 *) buffer), |
| 600 | GlyphSetType, client, DixReadAccess); |
| 601 | glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet); |
| 602 | buffer += 4; |
| 603 | } |
| 604 | else { |
| 605 | curElt->glyphset = glyphPriv->glyphSets[scrnNum]; |
| 606 | curElt->xOff = elt->deltax; |
| 607 | curElt->yOff = elt->deltay; |
| 608 | curElt->nchars = elt->len; |
| 609 | curElt->chars = curGlyph; |
| 610 | |
| 611 | memcpy(curGlyph, buffer, size * elt->len); |
| 612 | curGlyph += size * elt->len; |
| 613 | |
| 614 | curElt++; |
| 615 | |
| 616 | space = size * elt->len; |
| 617 | if (space & 3) |
| 618 | space += 4 - (space & 3); |
| 619 | buffer += space; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | switch (stuff->renderReqType) { |
| 624 | case X_RenderCompositeGlyphs8: |
| 625 | XRenderCompositeText8(dmxScreen->beDisplay, stuff->op, |
| 626 | pSrcPriv->pict, pDstPriv->pict, |
| 627 | pFormat, |
| 628 | stuff->xSrc, stuff->ySrc, 0, 0, elts, nelt); |
| 629 | break; |
| 630 | case X_RenderCompositeGlyphs16: |
| 631 | XRenderCompositeText16(dmxScreen->beDisplay, stuff->op, |
| 632 | pSrcPriv->pict, pDstPriv->pict, |
| 633 | pFormat, |
| 634 | stuff->xSrc, stuff->ySrc, |
| 635 | 0, 0, (XGlyphElt16 *) elts, nelt); |
| 636 | break; |
| 637 | case X_RenderCompositeGlyphs32: |
| 638 | XRenderCompositeText32(dmxScreen->beDisplay, stuff->op, |
| 639 | pSrcPriv->pict, pDstPriv->pict, |
| 640 | pFormat, |
| 641 | stuff->xSrc, stuff->ySrc, |
| 642 | 0, 0, (XGlyphElt32 *) elts, nelt); |
| 643 | break; |
| 644 | } |
| 645 | |
| 646 | dmxSync(dmxScreen, FALSE); |
| 647 | |
| 648 | free(elts); |
| 649 | free(glyphs); |
| 650 | } |
| 651 | |
| 652 | return ret; |
| 653 | } |
| 654 | |
| 655 | /** Set the picture transform on each screen. */ |
| 656 | static int |
| 657 | dmxProcRenderSetPictureTransform(ClientPtr client) |
| 658 | { |
| 659 | DMXScreenInfo *dmxScreen; |
| 660 | PicturePtr pPicture; |
| 661 | dmxPictPrivPtr pPictPriv; |
| 662 | XTransform xform; |
| 663 | |
| 664 | REQUEST(xRenderSetPictureTransformReq); |
| 665 | |
| 666 | REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); |
| 667 | VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess); |
| 668 | |
| 669 | /* For the following to work with PanoramiX, it assumes that Render |
| 670 | * wraps the ProcRenderVector after dmxRenderInit has been called. |
| 671 | */ |
| 672 | dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum]; |
| 673 | pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 674 | |
| 675 | if (pPictPriv->pict) { |
| 676 | xform.matrix[0][0] = stuff->transform.matrix11; |
| 677 | xform.matrix[0][1] = stuff->transform.matrix12; |
| 678 | xform.matrix[0][2] = stuff->transform.matrix13; |
| 679 | xform.matrix[1][0] = stuff->transform.matrix21; |
| 680 | xform.matrix[1][1] = stuff->transform.matrix22; |
| 681 | xform.matrix[1][2] = stuff->transform.matrix23; |
| 682 | xform.matrix[2][0] = stuff->transform.matrix31; |
| 683 | xform.matrix[2][1] = stuff->transform.matrix32; |
| 684 | xform.matrix[2][2] = stuff->transform.matrix33; |
| 685 | |
| 686 | XRenderSetPictureTransform(dmxScreen->beDisplay, |
| 687 | pPictPriv->pict, &xform); |
| 688 | dmxSync(dmxScreen, FALSE); |
| 689 | } |
| 690 | |
| 691 | return dmxSaveRenderVector[stuff->renderReqType] (client); |
| 692 | } |
| 693 | |
| 694 | /** Set the picture filter on each screen. */ |
| 695 | static int |
| 696 | dmxProcRenderSetPictureFilter(ClientPtr client) |
| 697 | { |
| 698 | DMXScreenInfo *dmxScreen; |
| 699 | PicturePtr pPicture; |
| 700 | dmxPictPrivPtr pPictPriv; |
| 701 | char *filter; |
| 702 | XFixed *params; |
| 703 | int nparams; |
| 704 | |
| 705 | REQUEST(xRenderSetPictureFilterReq); |
| 706 | |
| 707 | REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq); |
| 708 | VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess); |
| 709 | |
| 710 | /* For the following to work with PanoramiX, it assumes that Render |
| 711 | * wraps the ProcRenderVector after dmxRenderInit has been called. |
| 712 | */ |
| 713 | dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum]; |
| 714 | pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 715 | |
| 716 | if (pPictPriv->pict) { |
| 717 | filter = (char *) (stuff + 1); |
| 718 | params = (XFixed *) (filter + ((stuff->nbytes + 3) & ~3)); |
| 719 | nparams = ((XFixed *) stuff + client->req_len) - params; |
| 720 | |
| 721 | XRenderSetPictureFilter(dmxScreen->beDisplay, |
| 722 | pPictPriv->pict, filter, params, nparams); |
| 723 | dmxSync(dmxScreen, FALSE); |
| 724 | } |
| 725 | |
| 726 | return dmxSaveRenderVector[stuff->renderReqType] (client); |
| 727 | } |
| 728 | |
| 729 | /** Create a picture on the appropriate screen. This is the actual |
| 730 | * function that creates the picture. However, if the associated |
| 731 | * window has not yet been created due to lazy window creation, then |
| 732 | * delay the picture creation until the window is mapped. */ |
| 733 | static Picture |
| 734 | dmxDoCreatePicture(PicturePtr pPicture) |
| 735 | { |
| 736 | DrawablePtr pDraw = pPicture->pDrawable; |
| 737 | ScreenPtr pScreen = pDraw->pScreen; |
| 738 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 739 | XRenderPictFormat *pFormat; |
| 740 | Drawable draw; |
| 741 | |
| 742 | if (pPicture->pDrawable->type == DRAWABLE_WINDOW) { |
| 743 | dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr) (pDraw)); |
| 744 | |
| 745 | if (!(draw = pWinPriv->window)) { |
| 746 | /* Window has not been created yet due to the window |
| 747 | * optimization. Delay picture creation until window is |
| 748 | * mapped. |
| 749 | */ |
| 750 | pWinPriv->hasPict = TRUE; |
| 751 | return 0; |
| 752 | } |
| 753 | } |
| 754 | else { |
| 755 | dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr) (pDraw)); |
| 756 | |
| 757 | if (!(draw = pPixPriv->pixmap)) { |
| 758 | /* FIXME: Zero width/height pixmap?? */ |
| 759 | return 0; |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | /* This should not be reached if the back-end display has been |
| 764 | * detached because the pWinPriv->window or the pPixPriv->pixmap |
| 765 | * will be NULL; however, we add it here for completeness |
| 766 | */ |
| 767 | if (!dmxScreen->beDisplay) |
| 768 | return 0; |
| 769 | |
| 770 | pFormat = dmxFindFormat(dmxScreen, pPicture->pFormat); |
| 771 | |
| 772 | return XRenderCreatePicture(dmxScreen->beDisplay, draw, pFormat, 0, 0); |
| 773 | } |
| 774 | |
| 775 | /** Create a list of pictures. This function is called by |
| 776 | * dmxCreateAndRealizeWindow() during the lazy window creation |
| 777 | * realization process. It creates the entire list of pictures that |
| 778 | * are associated with the given window. */ |
| 779 | void |
| 780 | dmxCreatePictureList(WindowPtr pWindow) |
| 781 | { |
| 782 | PicturePtr pPicture = GetPictureWindow(pWindow); |
| 783 | |
| 784 | while (pPicture) { |
| 785 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 786 | |
| 787 | /* Create the picture for this window */ |
| 788 | pPictPriv->pict = dmxDoCreatePicture(pPicture); |
| 789 | |
| 790 | /* ValidatePicture takes care of the state changes */ |
| 791 | |
| 792 | pPicture = pPicture->pNext; |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | /** Create \a pPicture on the backend. */ |
| 797 | int |
| 798 | dmxBECreatePicture(PicturePtr pPicture) |
| 799 | { |
| 800 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 801 | |
| 802 | /* Create picutre on BE */ |
| 803 | pPictPriv->pict = dmxDoCreatePicture(pPicture); |
| 804 | |
| 805 | /* Flush changes to the backend server */ |
| 806 | dmxValidatePicture(pPicture, (1 << (CPLastBit + 1)) - 1); |
| 807 | |
| 808 | return Success; |
| 809 | } |
| 810 | |
| 811 | /** Create a picture. This function handles the CreatePicture |
| 812 | * unwrapping/wrapping and calls dmxDoCreatePicture to actually create |
| 813 | * the picture on the appropriate screen. */ |
| 814 | int |
| 815 | dmxCreatePicture(PicturePtr pPicture) |
| 816 | { |
| 817 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 818 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 819 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 820 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 821 | int ret = Success; |
| 822 | |
| 823 | DMX_UNWRAP(CreatePicture, dmxScreen, ps); |
| 824 | #if 1 |
| 825 | if (ps->CreatePicture) |
| 826 | ret = ps->CreatePicture(pPicture); |
| 827 | #endif |
| 828 | |
| 829 | /* Create picture on back-end server */ |
| 830 | pPictPriv->pict = dmxDoCreatePicture(pPicture); |
| 831 | pPictPriv->savedMask = 0; |
| 832 | |
| 833 | DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps); |
| 834 | |
| 835 | return ret; |
| 836 | } |
| 837 | |
| 838 | /** Destroy \a pPicture on the back-end server. */ |
| 839 | Bool |
| 840 | dmxBEFreePicture(PicturePtr pPicture) |
| 841 | { |
| 842 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 843 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 844 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 845 | |
| 846 | if (pPictPriv->pict) { |
| 847 | XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict); |
| 848 | pPictPriv->pict = (Picture) 0; |
| 849 | return TRUE; |
| 850 | } |
| 851 | |
| 852 | return FALSE; |
| 853 | } |
| 854 | |
| 855 | /** Destroy a list of pictures that are associated with the window that |
| 856 | * is being destroyed. This function is called by #dmxDestroyWindow(). |
| 857 | * */ |
| 858 | Bool |
| 859 | dmxDestroyPictureList(WindowPtr pWindow) |
| 860 | { |
| 861 | PicturePtr pPicture = GetPictureWindow(pWindow); |
| 862 | Bool ret = FALSE; |
| 863 | |
| 864 | while (pPicture) { |
| 865 | ret |= dmxBEFreePicture(pPicture); |
| 866 | pPicture = pPicture->pNext; |
| 867 | } |
| 868 | |
| 869 | return ret; |
| 870 | } |
| 871 | |
| 872 | /** Destroy a picture. This function calls the wrapped function that |
| 873 | * frees the resources in the DMX server associated with this |
| 874 | * picture. */ |
| 875 | void |
| 876 | dmxDestroyPicture(PicturePtr pPicture) |
| 877 | { |
| 878 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 879 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 880 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 881 | |
| 882 | DMX_UNWRAP(DestroyPicture, dmxScreen, ps); |
| 883 | |
| 884 | /* Destroy picture on back-end server */ |
| 885 | if (dmxBEFreePicture(pPicture)) |
| 886 | dmxSync(dmxScreen, FALSE); |
| 887 | |
| 888 | #if 1 |
| 889 | if (ps->DestroyPicture) |
| 890 | ps->DestroyPicture(pPicture); |
| 891 | #endif |
| 892 | DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps); |
| 893 | } |
| 894 | |
| 895 | /** Change the picture's list of clip rectangles. */ |
| 896 | int |
| 897 | dmxChangePictureClip(PicturePtr pPicture, int clipType, pointer value, int n) |
| 898 | { |
| 899 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 900 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 901 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 902 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 903 | |
| 904 | DMX_UNWRAP(ChangePictureClip, dmxScreen, ps); |
| 905 | #if 1 |
| 906 | if (ps->ChangePictureClip) |
| 907 | ps->ChangePictureClip(pPicture, clipType, value, n); |
| 908 | #endif |
| 909 | |
| 910 | /* Change picture clip rects on back-end server */ |
| 911 | if (pPictPriv->pict) { |
| 912 | /* The clip has already been changed into a region by the mi |
| 913 | * routine called above. |
| 914 | */ |
| 915 | if (clipType == CT_NONE) { |
| 916 | /* Disable clipping, show all */ |
| 917 | XFixesSetPictureClipRegion(dmxScreen->beDisplay, |
| 918 | pPictPriv->pict, 0, 0, None); |
| 919 | } |
| 920 | else if (pPicture->clientClip) { |
| 921 | RegionPtr pClip = pPicture->clientClip; |
| 922 | BoxPtr pBox = RegionRects(pClip); |
| 923 | int nBox = RegionNumRects(pClip); |
| 924 | XRectangle *pRects; |
| 925 | XRectangle *pRect; |
| 926 | int nRects; |
| 927 | |
| 928 | nRects = nBox; |
| 929 | pRects = pRect = malloc(nRects * sizeof(*pRect)); |
| 930 | |
| 931 | while (nBox--) { |
| 932 | pRect->x = pBox->x1; |
| 933 | pRect->y = pBox->y1; |
| 934 | pRect->width = pBox->x2 - pBox->x1; |
| 935 | pRect->height = pBox->y2 - pBox->y1; |
| 936 | pBox++; |
| 937 | pRect++; |
| 938 | } |
| 939 | |
| 940 | XRenderSetPictureClipRectangles(dmxScreen->beDisplay, |
| 941 | pPictPriv->pict, |
| 942 | 0, 0, pRects, nRects); |
| 943 | free(pRects); |
| 944 | } |
| 945 | else { |
| 946 | XRenderSetPictureClipRectangles(dmxScreen->beDisplay, |
| 947 | pPictPriv->pict, 0, 0, NULL, 0); |
| 948 | } |
| 949 | dmxSync(dmxScreen, FALSE); |
| 950 | } |
| 951 | else { |
| 952 | /* FIXME: Handle saving clip region when offscreen */ |
| 953 | } |
| 954 | |
| 955 | DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps); |
| 956 | |
| 957 | return Success; |
| 958 | } |
| 959 | |
| 960 | /** Destroy the picture's list of clip rectangles. */ |
| 961 | void |
| 962 | dmxDestroyPictureClip(PicturePtr pPicture) |
| 963 | { |
| 964 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 965 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 966 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 967 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 968 | |
| 969 | DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps); |
| 970 | #if 1 |
| 971 | if (ps->DestroyPictureClip) |
| 972 | ps->DestroyPictureClip(pPicture); |
| 973 | #endif |
| 974 | |
| 975 | /* Destroy picture clip rects on back-end server */ |
| 976 | if (pPictPriv->pict) { |
| 977 | XRenderSetPictureClipRectangles(dmxScreen->beDisplay, |
| 978 | pPictPriv->pict, 0, 0, NULL, 0); |
| 979 | dmxSync(dmxScreen, FALSE); |
| 980 | } |
| 981 | else { |
| 982 | /* FIXME: Handle destroying clip region when offscreen */ |
| 983 | } |
| 984 | |
| 985 | DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps); |
| 986 | } |
| 987 | |
| 988 | /** Change the attributes of the pictures. If the picture has not yet |
| 989 | * been created due to lazy window creation, save the mask so that it |
| 990 | * can be used to appropriately initialize the picture's attributes |
| 991 | * when it is created later. */ |
| 992 | void |
| 993 | dmxChangePicture(PicturePtr pPicture, Mask mask) |
| 994 | { |
| 995 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 996 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 997 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 998 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 999 | |
| 1000 | DMX_UNWRAP(ChangePicture, dmxScreen, ps); |
| 1001 | #if 1 |
| 1002 | if (ps->ChangePicture) |
| 1003 | ps->ChangePicture(pPicture, mask); |
| 1004 | #endif |
| 1005 | |
| 1006 | /* Picture attribute changes are handled in ValidatePicture */ |
| 1007 | pPictPriv->savedMask |= mask; |
| 1008 | |
| 1009 | DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps); |
| 1010 | } |
| 1011 | |
| 1012 | /** Validate the picture's attributes before rendering to it. Update |
| 1013 | * any picture attributes that have been changed by one of the higher |
| 1014 | * layers. */ |
| 1015 | void |
| 1016 | dmxValidatePicture(PicturePtr pPicture, Mask mask) |
| 1017 | { |
| 1018 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 1019 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 1020 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 1021 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture); |
| 1022 | |
| 1023 | DMX_UNWRAP(ValidatePicture, dmxScreen, ps); |
| 1024 | |
| 1025 | /* Change picture attributes on back-end server */ |
| 1026 | if (pPictPriv->pict) { |
| 1027 | XRenderPictureAttributes attribs; |
| 1028 | |
| 1029 | if (mask & CPRepeat) { |
| 1030 | attribs.repeat = pPicture->repeatType; |
| 1031 | } |
| 1032 | if (mask & CPAlphaMap) { |
| 1033 | if (pPicture->alphaMap) { |
| 1034 | dmxPictPrivPtr pAlphaPriv; |
| 1035 | |
| 1036 | pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap); |
| 1037 | if (pAlphaPriv->pict) { |
| 1038 | attribs.alpha_map = pAlphaPriv->pict; |
| 1039 | } |
| 1040 | else { |
| 1041 | /* FIXME: alpha picture drawable has not been created?? */ |
| 1042 | return; /* or should this be: attribs.alpha_map = None; */ |
| 1043 | } |
| 1044 | } |
| 1045 | else { |
| 1046 | attribs.alpha_map = None; |
| 1047 | } |
| 1048 | } |
| 1049 | if (mask & CPAlphaXOrigin) |
| 1050 | attribs.alpha_x_origin = pPicture->alphaOrigin.x; |
| 1051 | if (mask & CPAlphaYOrigin) |
| 1052 | attribs.alpha_y_origin = pPicture->alphaOrigin.y; |
| 1053 | if (mask & CPClipXOrigin) |
| 1054 | attribs.clip_x_origin = pPicture->clipOrigin.x; |
| 1055 | if (mask & CPClipYOrigin) |
| 1056 | attribs.clip_y_origin = pPicture->clipOrigin.y; |
| 1057 | if (mask & CPClipMask) |
| 1058 | mask &= ~CPClipMask; /* Handled in ChangePictureClip */ |
| 1059 | if (mask & CPGraphicsExposure) |
| 1060 | attribs.graphics_exposures = pPicture->graphicsExposures; |
| 1061 | if (mask & CPSubwindowMode) |
| 1062 | attribs.subwindow_mode = pPicture->subWindowMode; |
| 1063 | if (mask & CPPolyEdge) |
| 1064 | attribs.poly_edge = pPicture->polyEdge; |
| 1065 | if (mask & CPPolyMode) |
| 1066 | attribs.poly_mode = pPicture->polyMode; |
| 1067 | if (mask & CPComponentAlpha) |
| 1068 | attribs.component_alpha = pPicture->componentAlpha; |
| 1069 | |
| 1070 | XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict, |
| 1071 | mask, &attribs); |
| 1072 | dmxSync(dmxScreen, FALSE); |
| 1073 | } |
| 1074 | else { |
| 1075 | pPictPriv->savedMask |= mask; |
| 1076 | } |
| 1077 | |
| 1078 | #if 1 |
| 1079 | if (ps->ValidatePicture) |
| 1080 | ps->ValidatePicture(pPicture, mask); |
| 1081 | #endif |
| 1082 | |
| 1083 | DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps); |
| 1084 | } |
| 1085 | |
| 1086 | /** Composite a picture on the appropriate screen by combining the |
| 1087 | * specified rectangle of the transformed src and mask operands with |
| 1088 | * the specified rectangle of the dst using op as the compositing |
| 1089 | * operator. For a complete description see the protocol document of |
| 1090 | * the RENDER library. */ |
| 1091 | void |
| 1092 | dmxComposite(CARD8 op, |
| 1093 | PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, |
| 1094 | INT16 xSrc, INT16 ySrc, |
| 1095 | INT16 xMask, INT16 yMask, |
| 1096 | INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) |
| 1097 | { |
| 1098 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 1099 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 1100 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 1101 | dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc); |
| 1102 | dmxPictPrivPtr pMaskPriv = NULL; |
| 1103 | dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst); |
| 1104 | |
| 1105 | if (pMask) |
| 1106 | pMaskPriv = DMX_GET_PICT_PRIV(pMask); |
| 1107 | |
| 1108 | DMX_UNWRAP(Composite, dmxScreen, ps); |
| 1109 | #if 0 |
| 1110 | if (ps->Composite) |
| 1111 | ps->Composite(op, pSrc, pMask, pDst, |
| 1112 | xSrc, ySrc, xMask, yMask, xDst, yDst, width, height); |
| 1113 | #endif |
| 1114 | |
| 1115 | /* Composite on back-end server */ |
| 1116 | if (pSrcPriv->pict && pDstPriv->pict && |
| 1117 | ((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) { |
| 1118 | XRenderComposite(dmxScreen->beDisplay, |
| 1119 | op, |
| 1120 | pSrcPriv->pict, |
| 1121 | pMaskPriv ? pMaskPriv->pict : None, |
| 1122 | pDstPriv->pict, |
| 1123 | xSrc, ySrc, xMask, yMask, xDst, yDst, width, height); |
| 1124 | dmxSync(dmxScreen, FALSE); |
| 1125 | } |
| 1126 | |
| 1127 | DMX_WRAP(Composite, dmxComposite, dmxScreen, ps); |
| 1128 | } |
| 1129 | |
| 1130 | /** Null function to catch when/if RENDER calls lower level mi hooks. |
| 1131 | * Compositing glyphs is handled by dmxProcRenderCompositeGlyphs(). |
| 1132 | * This function should never be called. */ |
| 1133 | void |
| 1134 | dmxGlyphs(CARD8 op, |
| 1135 | PicturePtr pSrc, PicturePtr pDst, |
| 1136 | PictFormatPtr maskFormat, |
| 1137 | INT16 xSrc, INT16 ySrc, |
| 1138 | int nlists, GlyphListPtr lists, GlyphPtr * glyphs) |
| 1139 | { |
| 1140 | /* This won't work, so we need to wrap ProcRenderCompositeGlyphs */ |
| 1141 | } |
| 1142 | |
| 1143 | /** Fill a rectangle on the appropriate screen by combining the color |
| 1144 | * with the dest picture in the area specified by the list of |
| 1145 | * rectangles. For a complete description see the protocol document of |
| 1146 | * the RENDER library. */ |
| 1147 | void |
| 1148 | dmxCompositeRects(CARD8 op, |
| 1149 | PicturePtr pDst, |
| 1150 | xRenderColor * color, int nRect, xRectangle *rects) |
| 1151 | { |
| 1152 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 1153 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 1154 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 1155 | dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pDst); |
| 1156 | |
| 1157 | DMX_UNWRAP(CompositeRects, dmxScreen, ps); |
| 1158 | #if 0 |
| 1159 | if (ps->CompositeRects) |
| 1160 | ps->CompositeRects(op, pDst, color, nRect, rects); |
| 1161 | #endif |
| 1162 | |
| 1163 | /* CompositeRects on back-end server */ |
| 1164 | if (pPictPriv->pict) { |
| 1165 | XRenderFillRectangles(dmxScreen->beDisplay, |
| 1166 | op, |
| 1167 | pPictPriv->pict, |
| 1168 | (XRenderColor *) color, |
| 1169 | (XRectangle *) rects, nRect); |
| 1170 | dmxSync(dmxScreen, FALSE); |
| 1171 | } |
| 1172 | |
| 1173 | DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps); |
| 1174 | } |
| 1175 | |
| 1176 | /** Indexed color visuals are not yet supported. */ |
| 1177 | Bool |
| 1178 | dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat) |
| 1179 | { |
| 1180 | return TRUE; |
| 1181 | } |
| 1182 | |
| 1183 | /** Indexed color visuals are not yet supported. */ |
| 1184 | void |
| 1185 | dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat) |
| 1186 | { |
| 1187 | } |
| 1188 | |
| 1189 | /** Indexed color visuals are not yet supported. */ |
| 1190 | void |
| 1191 | dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat, |
| 1192 | int ndef, xColorItem * pdef) |
| 1193 | { |
| 1194 | } |
| 1195 | |
| 1196 | /** Composite a list of trapezoids on the appropriate screen. For a |
| 1197 | * complete description see the protocol document of the RENDER |
| 1198 | * library. */ |
| 1199 | void |
| 1200 | dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst, |
| 1201 | PictFormatPtr maskFormat, |
| 1202 | INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid * traps) |
| 1203 | { |
| 1204 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 1205 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 1206 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 1207 | dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc); |
| 1208 | dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst); |
| 1209 | |
| 1210 | DMX_UNWRAP(Trapezoids, dmxScreen, ps); |
| 1211 | #if 0 |
| 1212 | if (ps->Trapezoids) |
| 1213 | ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps); |
| 1214 | #endif |
| 1215 | |
| 1216 | /* Draw trapezoids on back-end server */ |
| 1217 | if (pDstPriv->pict) { |
| 1218 | XRenderPictFormat *pFormat; |
| 1219 | |
| 1220 | pFormat = dmxFindFormat(dmxScreen, maskFormat); |
| 1221 | if (!pFormat) { |
| 1222 | /* FIXME: Error! */ |
| 1223 | } |
| 1224 | |
| 1225 | XRenderCompositeTrapezoids(dmxScreen->beDisplay, |
| 1226 | op, |
| 1227 | pSrcPriv->pict, |
| 1228 | pDstPriv->pict, |
| 1229 | pFormat, |
| 1230 | xSrc, ySrc, (XTrapezoid *) traps, ntrap); |
| 1231 | dmxSync(dmxScreen, FALSE); |
| 1232 | } |
| 1233 | |
| 1234 | DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps); |
| 1235 | } |
| 1236 | |
| 1237 | /** Composite a list of triangles on the appropriate screen. For a |
| 1238 | * complete description see the protocol document of the RENDER |
| 1239 | * library. */ |
| 1240 | void |
| 1241 | dmxTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst, |
| 1242 | PictFormatPtr maskFormat, |
| 1243 | INT16 xSrc, INT16 ySrc, int ntri, xTriangle * tris) |
| 1244 | { |
| 1245 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 1246 | DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; |
| 1247 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 1248 | dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc); |
| 1249 | dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst); |
| 1250 | |
| 1251 | DMX_UNWRAP(Triangles, dmxScreen, ps); |
| 1252 | #if 0 |
| 1253 | if (ps->Triangles) |
| 1254 | ps->Triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, *tris); |
| 1255 | #endif |
| 1256 | |
| 1257 | /* Draw trapezoids on back-end server */ |
| 1258 | if (pDstPriv->pict) { |
| 1259 | XRenderPictFormat *pFormat; |
| 1260 | |
| 1261 | pFormat = dmxFindFormat(dmxScreen, maskFormat); |
| 1262 | if (!pFormat) { |
| 1263 | /* FIXME: Error! */ |
| 1264 | } |
| 1265 | |
| 1266 | XRenderCompositeTriangles(dmxScreen->beDisplay, |
| 1267 | op, |
| 1268 | pSrcPriv->pict, |
| 1269 | pDstPriv->pict, |
| 1270 | pFormat, |
| 1271 | xSrc, ySrc, (XTriangle *) tris, ntri); |
| 1272 | dmxSync(dmxScreen, FALSE); |
| 1273 | } |
| 1274 | |
| 1275 | DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps); |
| 1276 | } |