| 1 | /* |
| 2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| 3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice including the dates of first publication and |
| 13 | * either this permission notice or a reference to |
| 14 | * http://oss.sgi.com/projects/FreeB/ |
| 15 | * shall be included in all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | * |
| 25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| 26 | * shall not be used in advertising or otherwise to promote the sale, use or |
| 27 | * other dealings in this Software without prior written authorization from |
| 28 | * Silicon Graphics, Inc. |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_DMX_CONFIG_H |
| 32 | #include <dmx-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include "dmx.h" |
| 36 | #include "dmxwindow.h" |
| 37 | #include "dmxpixmap.h" |
| 38 | #include "dmxfont.h" |
| 39 | #include "dmxsync.h" |
| 40 | |
| 41 | #include "glxserver.h" |
| 42 | #include <GL/glxtokens.h> |
| 43 | #include "g_disptab.h" |
| 44 | #include <pixmapstr.h> |
| 45 | #include <windowstr.h> |
| 46 | #include "glxutil.h" |
| 47 | #include "glxext.h" |
| 48 | #include "unpack.h" |
| 49 | |
| 50 | #include "GL/glxproto.h" |
| 51 | #include "glxvendor.h" |
| 52 | #include "glxvisuals.h" |
| 53 | #include "glxswap.h" |
| 54 | |
| 55 | #include "glxcmds.h" |
| 56 | |
| 57 | #ifdef PANORAMIX |
| 58 | #include "panoramiXsrv.h" |
| 59 | #endif |
| 60 | |
| 61 | extern __GLXFBConfig **__glXFBConfigs; |
| 62 | extern int __glXNumFBConfigs; |
| 63 | |
| 64 | extern int glxIsExtensionSupported(char *ext); |
| 65 | extern int __glXGetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc); |
| 66 | |
| 67 | #define BE_TO_CLIENT_ERROR(x) \ |
| 68 | ( (x) >= __glXerrorBase ? \ |
| 69 | (x) - dmxScreen->glxErrorBase + __glXerrorBase \ |
| 70 | : (x) ) |
| 71 | |
| 72 | static __GLXFBConfig * |
| 73 | glxLookupFBConfig(GLXFBConfigID id) |
| 74 | { |
| 75 | int i, j; |
| 76 | |
| 77 | for (i = 0, j = 0; i < __glXNumFBConfigs; |
| 78 | i++, j += (__glXNumActiveScreens + 1)) { |
| 79 | if (__glXFBConfigs[j]->id == id) |
| 80 | return __glXFBConfigs[j]; |
| 81 | } |
| 82 | |
| 83 | return NULL; |
| 84 | } |
| 85 | |
| 86 | static __GLXFBConfig * |
| 87 | glxLookupFBConfigByVID(VisualID vid) |
| 88 | { |
| 89 | int i, j; |
| 90 | |
| 91 | for (i = 0, j = 0; i < __glXNumFBConfigs; |
| 92 | i++, j += (__glXNumActiveScreens + 1)) { |
| 93 | if (__glXFBConfigs[j]->associatedVisualId == vid) |
| 94 | return __glXFBConfigs[j]; |
| 95 | } |
| 96 | |
| 97 | return NULL; |
| 98 | } |
| 99 | |
| 100 | static __GLXFBConfig * |
| 101 | glxLookupBackEndFBConfig(GLXFBConfigID id, int screen) |
| 102 | { |
| 103 | int i; |
| 104 | int j; |
| 105 | |
| 106 | for (i = 0, j = 0; i < __glXNumFBConfigs; |
| 107 | i++, j += (__glXNumActiveScreens + 1)) { |
| 108 | if (__glXFBConfigs[j]->id == id) |
| 109 | return __glXFBConfigs[j + screen + 1]; |
| 110 | } |
| 111 | |
| 112 | return NULL; |
| 113 | |
| 114 | } |
| 115 | |
| 116 | Display * |
| 117 | GetBackEndDisplay(__GLXclientState * cl, int s) |
| 118 | { |
| 119 | if (!cl->be_displays[s]) { |
| 120 | cl->be_displays[s] = |
| 121 | XOpenDisplay(DisplayString(dmxScreens[s].beDisplay)); |
| 122 | } |
| 123 | return cl->be_displays[s]; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Convert the render type bits from fbconfig into context render type. |
| 128 | */ |
| 129 | static int |
| 130 | renderTypeBitsToRenderTypeEnum(int fbRenderType) |
| 131 | { |
| 132 | if (fbRenderType & GLX_RGBA_BIT) |
| 133 | return GLX_RGBA_TYPE; |
| 134 | |
| 135 | if (fbRenderType & GLX_COLOR_INDEX_BIT) |
| 136 | return GLX_COLOR_INDEX_TYPE; |
| 137 | |
| 138 | if (fbRenderType & GLX_RGBA_FLOAT_BIT_ARB) |
| 139 | return GLX_RGBA_FLOAT_TYPE_ARB; |
| 140 | |
| 141 | if (fbRenderType & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) |
| 142 | return GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT; |
| 143 | |
| 144 | /* There's no recognized renderType in the config */ |
| 145 | return GLX_RGBA_TYPE; |
| 146 | } |
| 147 | |
| 148 | /* |
| 149 | ** Create a GL context with the given properties. |
| 150 | */ |
| 151 | static int |
| 152 | CreateContext(__GLXclientState * cl, |
| 153 | GLXContextID gcId, |
| 154 | VisualID vid, GLXFBConfigID fbconfigId, |
| 155 | int screen, GLXContextID shareList, int isDirect) |
| 156 | { |
| 157 | ClientPtr client = cl->client; |
| 158 | xGLXCreateContextReq *be_req; |
| 159 | xGLXCreateNewContextReq *be_new_req; |
| 160 | VisualPtr pVisual; |
| 161 | ScreenPtr pScreen; |
| 162 | __GLXcontext *glxc, *shareglxc; |
| 163 | __GLXvisualConfig *pGlxVisual; |
| 164 | __GLXscreenInfo *pGlxScreen; |
| 165 | VisualID visual = vid; |
| 166 | GLint i; |
| 167 | int from_screen = screen; |
| 168 | int to_screen = screen; |
| 169 | DMXScreenInfo *dmxScreen; |
| 170 | VisualID be_vid = 0; |
| 171 | GLXFBConfigID be_fbconfigId = 0; |
| 172 | int num_be_screens; |
| 173 | Display *dpy; |
| 174 | |
| 175 | /* |
| 176 | ** Check if screen exists. |
| 177 | */ |
| 178 | if (screen >= screenInfo.numScreens) { |
| 179 | client->errorValue = screen; |
| 180 | return BadValue; |
| 181 | } |
| 182 | |
| 183 | #ifdef PANORAMIX |
| 184 | if (!noPanoramiXExtension) { |
| 185 | from_screen = 0; |
| 186 | to_screen = screenInfo.numScreens - 1; |
| 187 | } |
| 188 | #endif |
| 189 | |
| 190 | /* |
| 191 | ** Find the display list space that we want to share. |
| 192 | ** |
| 193 | */ |
| 194 | if (shareList == None) { |
| 195 | shareglxc = NULL; |
| 196 | } |
| 197 | else { |
| 198 | dixLookupResourceByType((pointer *) &shareglxc, shareList, |
| 199 | __glXContextRes, NullClient, DixUnknownAccess); |
| 200 | if (!shareglxc) { |
| 201 | client->errorValue = shareList; |
| 202 | return __glXBadContext; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | /* |
| 207 | ** Allocate memory for the new context |
| 208 | */ |
| 209 | glxc = calloc(1, sizeof(__GLXcontext)); |
| 210 | if (!glxc) { |
| 211 | return BadAlloc; |
| 212 | } |
| 213 | |
| 214 | pScreen = screenInfo.screens[screen]; |
| 215 | pGlxScreen = &__glXActiveScreens[screen]; |
| 216 | |
| 217 | if (fbconfigId != None) { |
| 218 | glxc->pFBConfig = glxLookupFBConfig(fbconfigId); |
| 219 | if (!glxc->pFBConfig) { |
| 220 | client->errorValue = fbconfigId; |
| 221 | free(glxc); |
| 222 | return BadValue; |
| 223 | } |
| 224 | visual = glxc->pFBConfig->associatedVisualId; |
| 225 | } |
| 226 | else { |
| 227 | glxc->pFBConfig = NULL; |
| 228 | } |
| 229 | |
| 230 | if (visual != None) { |
| 231 | /* |
| 232 | ** Check if the visual ID is valid for this screen. |
| 233 | */ |
| 234 | pVisual = pScreen->visuals; |
| 235 | for (i = 0; i < pScreen->numVisuals; i++, pVisual++) { |
| 236 | if (pVisual->vid == visual) { |
| 237 | break; |
| 238 | } |
| 239 | } |
| 240 | if (i == pScreen->numVisuals) { |
| 241 | client->errorValue = visual; |
| 242 | free(glxc); |
| 243 | return BadValue; |
| 244 | } |
| 245 | |
| 246 | pGlxVisual = pGlxScreen->pGlxVisual; |
| 247 | for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { |
| 248 | if (pGlxVisual->vid == visual) { |
| 249 | break; |
| 250 | } |
| 251 | } |
| 252 | if (i == pGlxScreen->numVisuals) { |
| 253 | /* |
| 254 | ** Visual not support on this screen by this OpenGL implementation. |
| 255 | */ |
| 256 | client->errorValue = visual; |
| 257 | free(glxc); |
| 258 | return BadValue; |
| 259 | } |
| 260 | |
| 261 | if (glxc->pFBConfig == NULL) { |
| 262 | glxc->pFBConfig = glxLookupFBConfigByVID(visual); |
| 263 | |
| 264 | if (glxc->pFBConfig == NULL) { |
| 265 | /* |
| 266 | * visual does not have an FBConfig ??? |
| 267 | client->errorValue = visual; |
| 268 | free( glxc ); |
| 269 | return BadValue; |
| 270 | */ |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | else { |
| 275 | pVisual = NULL; |
| 276 | pGlxVisual = NULL; |
| 277 | } |
| 278 | |
| 279 | glxc->pScreen = pScreen; |
| 280 | glxc->pGlxScreen = pGlxScreen; |
| 281 | glxc->pVisual = pVisual; |
| 282 | glxc->pGlxVisual = pGlxVisual; |
| 283 | |
| 284 | /* |
| 285 | * allocate memory for back-end servers info |
| 286 | */ |
| 287 | num_be_screens = to_screen - from_screen + 1; |
| 288 | glxc->real_ids = (XID *) malloc(sizeof(XID) * num_be_screens); |
| 289 | if (!glxc->real_ids) { |
| 290 | return BadAlloc; |
| 291 | } |
| 292 | glxc->real_vids = (XID *) malloc(sizeof(XID) * num_be_screens); |
| 293 | if (!glxc->real_vids) { |
| 294 | return BadAlloc; |
| 295 | } |
| 296 | |
| 297 | for (screen = from_screen; screen <= to_screen; screen++) { |
| 298 | int sent = 0; |
| 299 | |
| 300 | pScreen = screenInfo.screens[screen]; |
| 301 | pGlxScreen = &__glXActiveScreens[screen]; |
| 302 | dmxScreen = &dmxScreens[screen]; |
| 303 | |
| 304 | if (glxc->pFBConfig) { |
| 305 | __GLXFBConfig *beFBConfig = |
| 306 | glxLookupBackEndFBConfig(glxc->pFBConfig->id, |
| 307 | screen); |
| 308 | |
| 309 | be_fbconfigId = beFBConfig->id; |
| 310 | } |
| 311 | |
| 312 | if (pGlxVisual) { |
| 313 | |
| 314 | be_vid = glxMatchGLXVisualInConfigList(pGlxVisual, |
| 315 | dmxScreen->glxVisuals, |
| 316 | dmxScreen->numGlxVisuals); |
| 317 | |
| 318 | if (!be_vid) { |
| 319 | /* visual is not supported on the back-end server */ |
| 320 | free(glxc->real_ids); |
| 321 | free(glxc->real_vids); |
| 322 | free(glxc); |
| 323 | return BadValue; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | glxc->real_ids[screen - from_screen] = |
| 328 | XAllocID(GetBackEndDisplay(cl, screen)); |
| 329 | |
| 330 | /* send the create context request to the back-end server */ |
| 331 | dpy = GetBackEndDisplay(cl, screen); |
| 332 | if (glxc->pFBConfig) { |
| 333 | /* For a specific visual, multiple render types (i.e., both RGB |
| 334 | * and COLOR INDEX) can be accessible. The only parameter to |
| 335 | * choose the renderType should be the class of the colormap, |
| 336 | * since the first classes do not support RGB mode (only COLOR |
| 337 | * INDEX), and TrueColor and DirectColor do not support COLOR |
| 338 | * INDEX. |
| 339 | */ |
| 340 | int renderType = GLX_RGBA_TYPE; |
| 341 | |
| 342 | if (pVisual) { |
| 343 | switch (pVisual->class) { |
| 344 | case PseudoColor: |
| 345 | case StaticColor: |
| 346 | case GrayScale: |
| 347 | case StaticGray: |
| 348 | renderType = GLX_COLOR_INDEX_TYPE; |
| 349 | break; |
| 350 | case TrueColor: |
| 351 | case DirectColor: |
| 352 | default: |
| 353 | renderType = GLX_RGBA_TYPE; |
| 354 | break; |
| 355 | } |
| 356 | } else { |
| 357 | renderType = |
| 358 | renderTypeBitsToRenderTypeEnum(glxc->pFBConfig->renderType); |
| 359 | } |
| 360 | |
| 361 | if (__GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 362 | LockDisplay(dpy); |
| 363 | GetReq(GLXCreateNewContext, be_new_req); |
| 364 | be_new_req->reqType = dmxScreen->glxMajorOpcode; |
| 365 | be_new_req->glxCode = X_GLXCreateNewContext; |
| 366 | be_new_req->context = |
| 367 | (unsigned int) glxc->real_ids[screen - from_screen]; |
| 368 | be_new_req->fbconfig = (unsigned int) be_fbconfigId; |
| 369 | be_new_req->screen = DefaultScreen(dpy); |
| 370 | be_new_req->renderType = renderType; |
| 371 | |
| 372 | be_new_req->shareList = |
| 373 | (shareglxc ? shareglxc->real_ids[screen - from_screen] : 0); |
| 374 | be_new_req->isDirect = 0; |
| 375 | UnlockDisplay(dpy); |
| 376 | glxc->real_vids[screen - from_screen] = be_fbconfigId; |
| 377 | sent = 1; |
| 378 | } |
| 379 | else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) { |
| 380 | |
| 381 | xGLXCreateContextWithConfigSGIXReq *ext_req; |
| 382 | xGLXVendorPrivateReq *vpreq; |
| 383 | |
| 384 | LockDisplay(dpy); |
| 385 | GetReqExtra(GLXVendorPrivate, |
| 386 | sz_xGLXCreateContextWithConfigSGIXReq - |
| 387 | sz_xGLXVendorPrivateReq, vpreq); |
| 388 | ext_req = (xGLXCreateContextWithConfigSGIXReq *) vpreq; |
| 389 | ext_req->reqType = dmxScreen->glxMajorOpcode; |
| 390 | ext_req->glxCode = X_GLXVendorPrivate; |
| 391 | ext_req->vendorCode = X_GLXvop_CreateContextWithConfigSGIX; |
| 392 | ext_req->context = |
| 393 | (unsigned int) glxc->real_ids[screen - from_screen]; |
| 394 | ext_req->fbconfig = (unsigned int) be_fbconfigId; |
| 395 | ext_req->screen = DefaultScreen(dpy); |
| 396 | ext_req->renderType = renderType; |
| 397 | ext_req->shareList = |
| 398 | (shareglxc ? shareglxc->real_ids[screen - from_screen] : 0); |
| 399 | ext_req->isDirect = 0; |
| 400 | UnlockDisplay(dpy); |
| 401 | glxc->real_vids[screen - from_screen] = be_fbconfigId; |
| 402 | sent = 1; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | if (!sent) { |
| 407 | LockDisplay(dpy); |
| 408 | GetReq(GLXCreateContext, be_req); |
| 409 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 410 | be_req->glxCode = X_GLXCreateContext; |
| 411 | be_req->context = |
| 412 | (unsigned int) glxc->real_ids[screen - from_screen]; |
| 413 | be_req->visual = (unsigned int) be_vid; |
| 414 | be_req->screen = DefaultScreen(dpy); |
| 415 | be_req->shareList = |
| 416 | (shareglxc ? shareglxc->real_ids[screen - from_screen] : 0); |
| 417 | be_req->isDirect = 0; |
| 418 | UnlockDisplay(dpy); |
| 419 | glxc->real_vids[screen - from_screen] = be_vid; |
| 420 | } |
| 421 | SyncHandle(); |
| 422 | |
| 423 | } |
| 424 | |
| 425 | /* |
| 426 | ** Register this context as a resource. |
| 427 | */ |
| 428 | if (!AddResource(gcId, __glXContextRes, (pointer) glxc)) { |
| 429 | free(glxc->real_ids); |
| 430 | free(glxc->real_vids); |
| 431 | free(glxc); |
| 432 | client->errorValue = gcId; |
| 433 | return BadAlloc; |
| 434 | } |
| 435 | |
| 436 | /* |
| 437 | ** Finally, now that everything is working, setup the rest of the |
| 438 | ** context. |
| 439 | */ |
| 440 | glxc->id = gcId; |
| 441 | glxc->share_id = shareList; |
| 442 | glxc->idExists = GL_TRUE; |
| 443 | glxc->isCurrent = GL_FALSE; |
| 444 | |
| 445 | return Success; |
| 446 | } |
| 447 | |
| 448 | int |
| 449 | __glXCreateContext(__GLXclientState * cl, GLbyte * pc) |
| 450 | { |
| 451 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; |
| 452 | |
| 453 | return (CreateContext(cl, req->context, req->visual, None, |
| 454 | req->screen, req->shareList, req->isDirect)); |
| 455 | |
| 456 | } |
| 457 | |
| 458 | int |
| 459 | __glXCreateNewContext(__GLXclientState * cl, GLbyte * pc) |
| 460 | { |
| 461 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; |
| 462 | |
| 463 | return (CreateContext(cl, req->context, None, req->fbconfig, |
| 464 | req->screen, req->shareList, req->isDirect)); |
| 465 | |
| 466 | } |
| 467 | |
| 468 | int |
| 469 | __glXCreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) |
| 470 | { |
| 471 | xGLXCreateContextWithConfigSGIXReq *req = |
| 472 | (xGLXCreateContextWithConfigSGIXReq *) pc; |
| 473 | |
| 474 | return (CreateContext(cl, req->context, None, req->fbconfig, |
| 475 | req->screen, req->shareList, req->isDirect)); |
| 476 | |
| 477 | } |
| 478 | |
| 479 | int |
| 480 | __glXQueryMaxSwapBarriersSGIX(__GLXclientState * cl, GLbyte * pc) |
| 481 | { |
| 482 | ClientPtr client = cl->client; |
| 483 | xGLXQueryMaxSwapBarriersSGIXReq *req = |
| 484 | (xGLXQueryMaxSwapBarriersSGIXReq *) pc; |
| 485 | xGLXQueryMaxSwapBarriersSGIXReply reply = { |
| 486 | .type = X_Reply, |
| 487 | .sequenceNumber = client->sequence, |
| 488 | .length = 0, |
| 489 | .max = QueryMaxSwapBarriersSGIX(req->screen) |
| 490 | }; |
| 491 | |
| 492 | if (client->swapped) { |
| 493 | __glXSwapQueryMaxSwapBarriersSGIXReply(client, &reply); |
| 494 | } |
| 495 | else { |
| 496 | WriteToClient(client, sz_xGLXQueryMaxSwapBarriersSGIXReply, &reply); |
| 497 | } |
| 498 | |
| 499 | return Success; |
| 500 | } |
| 501 | |
| 502 | int |
| 503 | __glXBindSwapBarrierSGIX(__GLXclientState * cl, GLbyte * pc) |
| 504 | { |
| 505 | ClientPtr client = cl->client; |
| 506 | xGLXBindSwapBarrierSGIXReq *req = (xGLXBindSwapBarrierSGIXReq *) pc; |
| 507 | DrawablePtr pDraw; |
| 508 | __GLXpixmap *pGlxPixmap = NULL; |
| 509 | __glXWindow *pGlxWindow = NULL; |
| 510 | int rc; |
| 511 | |
| 512 | rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixGetAttrAccess); |
| 513 | if (rc != Success) { |
| 514 | dixLookupResourceByType((pointer *) &pGlxPixmap, req->drawable, |
| 515 | __glXPixmapRes, NullClient, DixUnknownAccess); |
| 516 | if (pGlxPixmap) |
| 517 | pDraw = pGlxPixmap->pDraw; |
| 518 | } |
| 519 | |
| 520 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 521 | dixLookupResourceByType((pointer *) &pGlxWindow, req->drawable, |
| 522 | __glXWindowRes, NullClient, DixUnknownAccess); |
| 523 | if (pGlxWindow) |
| 524 | pDraw = pGlxWindow->pDraw; |
| 525 | } |
| 526 | |
| 527 | if (!pDraw) { |
| 528 | client->errorValue = req->drawable; |
| 529 | return __glXBadDrawable; |
| 530 | } |
| 531 | |
| 532 | return BindSwapBarrierSGIX(pDraw, req->barrier); |
| 533 | } |
| 534 | |
| 535 | int |
| 536 | __glXJoinSwapGroupSGIX(__GLXclientState * cl, GLbyte * pc) |
| 537 | { |
| 538 | ClientPtr client = cl->client; |
| 539 | xGLXJoinSwapGroupSGIXReq *req = (xGLXJoinSwapGroupSGIXReq *) pc; |
| 540 | DrawablePtr pDraw, pMember = NULL; |
| 541 | __GLXpixmap *pGlxPixmap = NULL; |
| 542 | __glXWindow *pGlxWindow = NULL; |
| 543 | int rc; |
| 544 | |
| 545 | rc = dixLookupDrawable(&pDraw, req->drawable, client, 0, DixManageAccess); |
| 546 | if (rc != Success) { |
| 547 | dixLookupResourceByType((pointer *) &pGlxPixmap, req->drawable, |
| 548 | __glXPixmapRes, NullClient, DixUnknownAccess); |
| 549 | if (pGlxPixmap) |
| 550 | pDraw = pGlxPixmap->pDraw; |
| 551 | } |
| 552 | |
| 553 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 554 | dixLookupResourceByType((pointer *) &pGlxWindow, req->drawable, |
| 555 | __glXWindowRes, NullClient, DixUnknownAccess); |
| 556 | if (pGlxWindow) |
| 557 | pDraw = pGlxWindow->pDraw; |
| 558 | } |
| 559 | |
| 560 | if (!pDraw) { |
| 561 | client->errorValue = req->drawable; |
| 562 | return __glXBadDrawable; |
| 563 | } |
| 564 | |
| 565 | if (req->member != None) { |
| 566 | rc = dixLookupDrawable(&pMember, req->member, client, 0, |
| 567 | DixGetAttrAccess); |
| 568 | if (rc != Success) { |
| 569 | dixLookupResourceByType((pointer *) &pGlxPixmap, req->member, |
| 570 | __glXPixmapRes, NullClient, |
| 571 | DixUnknownAccess); |
| 572 | if (pGlxPixmap) |
| 573 | pMember = pGlxPixmap->pDraw; |
| 574 | } |
| 575 | |
| 576 | if (!pMember && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 577 | dixLookupResourceByType((pointer *) &pGlxWindow, req->member, |
| 578 | __glXWindowRes, NullClient, |
| 579 | DixUnknownAccess); |
| 580 | if (pGlxWindow) |
| 581 | pMember = pGlxWindow->pDraw; |
| 582 | } |
| 583 | |
| 584 | if (!pMember) { |
| 585 | client->errorValue = req->member; |
| 586 | return __glXBadDrawable; |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | return JoinSwapGroupSGIX(pDraw, pMember); |
| 591 | } |
| 592 | |
| 593 | /* |
| 594 | ** Destroy a GL context as an X resource. |
| 595 | */ |
| 596 | int |
| 597 | __glXDestroyContext(__GLXclientState * cl, GLbyte * pc) |
| 598 | { |
| 599 | ClientPtr client = cl->client; |
| 600 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; |
| 601 | xGLXDestroyContextReq *be_req; |
| 602 | GLXContextID gcId = req->context; |
| 603 | __GLXcontext *glxc; |
| 604 | int from_screen = 0; |
| 605 | int to_screen = 0; |
| 606 | int s; |
| 607 | |
| 608 | dixLookupResourceByType((pointer *) &glxc, gcId, __glXContextRes, |
| 609 | NullClient, DixUnknownAccess); |
| 610 | if (glxc) { |
| 611 | /* |
| 612 | ** Just free the resource; don't actually destroy the context, |
| 613 | ** because it might be in use. The |
| 614 | ** destroy method will be called by the resource destruction routine |
| 615 | ** if necessary. |
| 616 | */ |
| 617 | FreeResourceByType(gcId, __glXContextRes, FALSE); |
| 618 | |
| 619 | from_screen = to_screen = glxc->pScreen->myNum; |
| 620 | |
| 621 | } |
| 622 | else { |
| 623 | client->errorValue = gcId; |
| 624 | return __glXBadContext; |
| 625 | } |
| 626 | |
| 627 | #ifdef PANORAMIX |
| 628 | if (!noPanoramiXExtension) { |
| 629 | from_screen = 0; |
| 630 | to_screen = screenInfo.numScreens - 1; |
| 631 | } |
| 632 | #endif |
| 633 | |
| 634 | /* |
| 635 | * send DestroyContext request to all back-end servers |
| 636 | */ |
| 637 | for (s = from_screen; s <= to_screen; s++) { |
| 638 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 639 | Display *dpy = GetBackEndDisplay(cl, s); |
| 640 | |
| 641 | LockDisplay(dpy); |
| 642 | GetReq(GLXDestroyContext, be_req); |
| 643 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 644 | be_req->glxCode = X_GLXDestroyContext; |
| 645 | be_req->context = glxc->real_ids[s - from_screen]; |
| 646 | UnlockDisplay(dpy); |
| 647 | SyncHandle(); |
| 648 | } |
| 649 | |
| 650 | return Success; |
| 651 | } |
| 652 | |
| 653 | /*****************************************************************************/ |
| 654 | |
| 655 | /* |
| 656 | ** For each client, the server keeps a table of all the contexts that are |
| 657 | ** current for that client (each thread of a client may have its own current |
| 658 | ** context). These routines add, change, and lookup contexts in the table. |
| 659 | */ |
| 660 | |
| 661 | /* |
| 662 | ** Add a current context, and return the tag that will be used to refer to it. |
| 663 | */ |
| 664 | static int |
| 665 | AddCurrentContext(__GLXclientState * cl, __GLXcontext * glxc, DrawablePtr pDraw) |
| 666 | { |
| 667 | int i; |
| 668 | int num = cl->numCurrentContexts; |
| 669 | __GLXcontext **table = cl->currentContexts; |
| 670 | |
| 671 | if (!glxc) |
| 672 | return -1; |
| 673 | |
| 674 | /* |
| 675 | ** Try to find an empty slot and use it. |
| 676 | */ |
| 677 | for (i = 0; i < num; i++) { |
| 678 | if (!table[i]) { |
| 679 | table[i] = glxc; |
| 680 | return i + 1; |
| 681 | } |
| 682 | } |
| 683 | /* |
| 684 | ** Didn't find a free slot, so we'll have to grow the table. |
| 685 | */ |
| 686 | if (!num) { |
| 687 | table = (__GLXcontext **) malloc(sizeof(__GLXcontext *)); |
| 688 | cl->currentDrawables = (DrawablePtr *) malloc(sizeof(DrawablePtr)); |
| 689 | cl->be_currentCTag = |
| 690 | (GLXContextTag *) malloc(screenInfo.numScreens * |
| 691 | sizeof(GLXContextTag)); |
| 692 | } |
| 693 | else { |
| 694 | table = (__GLXcontext **) realloc(table, |
| 695 | (num + 1) * sizeof(__GLXcontext *)); |
| 696 | cl->currentDrawables = (DrawablePtr *) realloc(cl->currentDrawables, |
| 697 | (num + |
| 698 | 1) * |
| 699 | sizeof(DrawablePtr)); |
| 700 | cl->be_currentCTag = |
| 701 | (GLXContextTag *) realloc(cl->be_currentCTag, |
| 702 | (num + |
| 703 | 1) * screenInfo.numScreens * |
| 704 | sizeof(GLXContextTag)); |
| 705 | } |
| 706 | table[num] = glxc; |
| 707 | cl->currentDrawables[num] = pDraw; |
| 708 | cl->currentContexts = table; |
| 709 | cl->numCurrentContexts++; |
| 710 | |
| 711 | memset(cl->be_currentCTag + num * screenInfo.numScreens, 0, |
| 712 | screenInfo.numScreens * sizeof(GLXContextTag)); |
| 713 | |
| 714 | return num + 1; |
| 715 | } |
| 716 | |
| 717 | /* |
| 718 | ** Given a tag, change the current context for the corresponding entry. |
| 719 | */ |
| 720 | static void |
| 721 | ChangeCurrentContext(__GLXclientState * cl, __GLXcontext * glxc, |
| 722 | GLXContextTag tag) |
| 723 | { |
| 724 | __GLXcontext **table = cl->currentContexts; |
| 725 | |
| 726 | table[tag - 1] = glxc; |
| 727 | } |
| 728 | |
| 729 | /* |
| 730 | ** Given a tag, and back-end screen number, retrives the current back-end |
| 731 | ** tag. |
| 732 | */ |
| 733 | int |
| 734 | GetCurrentBackEndTag(__GLXclientState * cl, GLXContextTag tag, int s) |
| 735 | { |
| 736 | if (tag > 0) { |
| 737 | return (cl->be_currentCTag[(tag - 1) * screenInfo.numScreens + s]); |
| 738 | } |
| 739 | else { |
| 740 | return 0; |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | /* |
| 745 | ** Given a tag, and back-end screen number, sets the current back-end |
| 746 | ** tag. |
| 747 | */ |
| 748 | static void |
| 749 | SetCurrentBackEndTag(__GLXclientState * cl, GLXContextTag tag, int s, |
| 750 | GLXContextTag be_tag) |
| 751 | { |
| 752 | if (tag > 0) { |
| 753 | cl->be_currentCTag[(tag - 1) * screenInfo.numScreens + s] = be_tag; |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | /* |
| 758 | ** For this implementation we have chosen to simply use the index of the |
| 759 | ** context's entry in the table as the context tag. A tag must be greater |
| 760 | ** than 0. |
| 761 | */ |
| 762 | __GLXcontext * |
| 763 | __glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) |
| 764 | { |
| 765 | int num = cl->numCurrentContexts; |
| 766 | |
| 767 | if (tag < 1 || tag > num) { |
| 768 | return 0; |
| 769 | } |
| 770 | else { |
| 771 | return cl->currentContexts[tag - 1]; |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | DrawablePtr |
| 776 | __glXLookupDrawableByTag(__GLXclientState * cl, GLXContextTag tag) |
| 777 | { |
| 778 | int num = cl->numCurrentContexts; |
| 779 | |
| 780 | if (tag < 1 || tag > num) { |
| 781 | return 0; |
| 782 | } |
| 783 | else { |
| 784 | return cl->currentDrawables[tag - 1]; |
| 785 | } |
| 786 | } |
| 787 | |
| 788 | /*****************************************************************************/ |
| 789 | |
| 790 | static void |
| 791 | StopUsingContext(__GLXcontext * glxc) |
| 792 | { |
| 793 | if (glxc) { |
| 794 | if (glxc == __glXLastContext) { |
| 795 | /* Tell server GL library */ |
| 796 | __glXLastContext = 0; |
| 797 | } |
| 798 | glxc->isCurrent = GL_FALSE; |
| 799 | if (!glxc->idExists) { |
| 800 | __glXFreeContext(glxc); |
| 801 | } |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | static void |
| 806 | StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) |
| 807 | { |
| 808 | glxc->isCurrent = GL_TRUE; |
| 809 | } |
| 810 | |
| 811 | /*****************************************************************************/ |
| 812 | /* |
| 813 | ** Make an OpenGL context and drawable current. |
| 814 | */ |
| 815 | static int |
| 816 | MakeCurrent(__GLXclientState * cl, |
| 817 | GLXDrawable drawable, |
| 818 | GLXDrawable readdrawable, |
| 819 | GLXContextID context, GLXContextTag oldContextTag) |
| 820 | { |
| 821 | ClientPtr client = cl->client; |
| 822 | DrawablePtr pDraw = NULL; |
| 823 | DrawablePtr pReadDraw = NULL; |
| 824 | xGLXMakeCurrentReadSGIReply new_reply = { |
| 825 | .type = X_Reply, |
| 826 | .sequenceNumber = client->sequence, |
| 827 | .length = 0 |
| 828 | }; |
| 829 | xGLXMakeCurrentReq *be_req; |
| 830 | xGLXMakeCurrentReply be_reply; |
| 831 | xGLXMakeContextCurrentReq *be_new_req; |
| 832 | xGLXMakeContextCurrentReply be_new_reply; |
| 833 | GLXDrawable drawId = drawable; |
| 834 | GLXDrawable readId = readdrawable; |
| 835 | GLXContextID contextId = context; |
| 836 | __GLXpixmap *pGlxPixmap = 0; |
| 837 | __GLXpixmap *pReadGlxPixmap = 0; |
| 838 | __GLXcontext *glxc, *prevglxc; |
| 839 | GLXContextTag tag = oldContextTag; |
| 840 | WindowPtr pWin = NULL; |
| 841 | WindowPtr pReadWin = NULL; |
| 842 | __glXWindow *pGlxWindow = NULL; |
| 843 | __glXWindow *pGlxReadWindow = NULL; |
| 844 | __glXPbuffer *pGlxPbuffer = NULL; |
| 845 | __glXPbuffer *pGlxReadPbuffer = NULL; |
| 846 | |
| 847 | #ifdef PANORAMIX |
| 848 | PanoramiXRes *pXinDraw = NULL; |
| 849 | PanoramiXRes *pXinReadDraw = NULL; |
| 850 | #endif |
| 851 | int from_screen = 0; |
| 852 | int to_screen = 0; |
| 853 | int s, rc; |
| 854 | |
| 855 | /* |
| 856 | ** If one is None and the other isn't, it's a bad match. |
| 857 | */ |
| 858 | if ((drawId == None && contextId != None) || |
| 859 | (drawId != None && contextId == None)) { |
| 860 | return BadMatch; |
| 861 | } |
| 862 | |
| 863 | /* |
| 864 | ** Lookup old context. If we have one, it must be in a usable state. |
| 865 | */ |
| 866 | if (tag != 0) { |
| 867 | prevglxc = __glXLookupContextByTag(cl, tag); |
| 868 | if (!prevglxc) { |
| 869 | /* |
| 870 | ** Tag for previous context is invalid. |
| 871 | */ |
| 872 | return __glXBadContextTag; |
| 873 | } |
| 874 | } |
| 875 | else { |
| 876 | prevglxc = 0; |
| 877 | } |
| 878 | |
| 879 | /* |
| 880 | ** Lookup new context. It must not be current for someone else. |
| 881 | */ |
| 882 | if (contextId != None) { |
| 883 | dixLookupResourceByType((pointer *) &glxc, contextId, __glXContextRes, |
| 884 | NullClient, DixUnknownAccess); |
| 885 | if (!glxc) { |
| 886 | client->errorValue = contextId; |
| 887 | return __glXBadContext; |
| 888 | } |
| 889 | if ((glxc != prevglxc) && glxc->isCurrent) { |
| 890 | /* Context is current to somebody else */ |
| 891 | return BadAccess; |
| 892 | } |
| 893 | } |
| 894 | else { |
| 895 | /* Switching to no context. Ignore new drawable. */ |
| 896 | glxc = 0; |
| 897 | } |
| 898 | |
| 899 | if (drawId != None) { |
| 900 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); |
| 901 | if (rc == Success) { |
| 902 | if (pDraw->type == DRAWABLE_WINDOW) { |
| 903 | /* |
| 904 | ** Drawable is an X Window. |
| 905 | */ |
| 906 | VisualID vid; |
| 907 | |
| 908 | pWin = (WindowPtr) pDraw; |
| 909 | vid = wVisual(pWin); |
| 910 | |
| 911 | new_reply.writeVid = |
| 912 | (glxc->pFBConfig ? glxc->pFBConfig->id : vid); |
| 913 | new_reply.writeType = GLX_WINDOW_TYPE; |
| 914 | |
| 915 | /* |
| 916 | ** Check if window and context are similar. |
| 917 | */ |
| 918 | if ((vid != glxc->pVisual->vid) || |
| 919 | (pWin->drawable.pScreen != glxc->pScreen)) { |
| 920 | client->errorValue = drawId; |
| 921 | return BadMatch; |
| 922 | } |
| 923 | |
| 924 | from_screen = to_screen = pWin->drawable.pScreen->myNum; |
| 925 | |
| 926 | } |
| 927 | else { |
| 928 | /* |
| 929 | ** An X Pixmap is not allowed as a parameter (a GLX Pixmap |
| 930 | ** is, but it must first be created with glxCreateGLXPixmap). |
| 931 | */ |
| 932 | client->errorValue = drawId; |
| 933 | return __glXBadDrawable; |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | if (!pDraw) { |
| 938 | dixLookupResourceByType((pointer *) &pGlxPixmap, drawId, |
| 939 | __glXPixmapRes, NullClient, |
| 940 | DixUnknownAccess); |
| 941 | if (pGlxPixmap) { |
| 942 | /* |
| 943 | ** Check if pixmap and context are similar. |
| 944 | */ |
| 945 | if (pGlxPixmap->pScreen != glxc->pScreen || |
| 946 | pGlxPixmap->pGlxVisual != glxc->pGlxVisual) { |
| 947 | client->errorValue = drawId; |
| 948 | return BadMatch; |
| 949 | } |
| 950 | pDraw = pGlxPixmap->pDraw; |
| 951 | |
| 952 | new_reply.writeVid = (glxc->pFBConfig ? glxc->pFBConfig->id : |
| 953 | pGlxPixmap->pGlxVisual->vid); |
| 954 | |
| 955 | new_reply.writeType = GLX_PIXMAP_TYPE; |
| 956 | |
| 957 | from_screen = to_screen = pGlxPixmap->pScreen->myNum; |
| 958 | |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 963 | dixLookupResourceByType((pointer *) &pGlxWindow, drawId, |
| 964 | __glXWindowRes, NullClient, |
| 965 | DixUnknownAccess); |
| 966 | if (pGlxWindow) { |
| 967 | /* |
| 968 | ** Drawable is a GLXWindow. |
| 969 | ** |
| 970 | ** Check if GLX window and context are similar. |
| 971 | */ |
| 972 | if (pGlxWindow->pScreen != glxc->pScreen || |
| 973 | pGlxWindow->pGlxFBConfig != glxc->pFBConfig) { |
| 974 | client->errorValue = drawId; |
| 975 | return BadMatch; |
| 976 | } |
| 977 | |
| 978 | pDraw = pGlxWindow->pDraw; |
| 979 | new_reply.writeVid = pGlxWindow->pGlxFBConfig->id; |
| 980 | new_reply.writeType = GLX_GLXWINDOW_TYPE; |
| 981 | } |
| 982 | |
| 983 | } |
| 984 | |
| 985 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 986 | dixLookupResourceByType((pointer *) &pGlxPbuffer, drawId, |
| 987 | __glXPbufferRes, NullClient, |
| 988 | DixUnknownAccess); |
| 989 | if (pGlxPbuffer) { |
| 990 | if (pGlxPbuffer->pScreen != glxc->pScreen || |
| 991 | pGlxPbuffer->pFBConfig != glxc->pFBConfig) { |
| 992 | client->errorValue = drawId; |
| 993 | return BadMatch; |
| 994 | } |
| 995 | |
| 996 | pDraw = (DrawablePtr) pGlxPbuffer; |
| 997 | new_reply.writeVid = pGlxPbuffer->pFBConfig->id; |
| 998 | new_reply.writeType = GLX_PBUFFER_TYPE; |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | if (!pDraw) { |
| 1003 | /* |
| 1004 | ** Drawable is not a Window , GLXWindow or a GLXPixmap. |
| 1005 | */ |
| 1006 | client->errorValue = drawId; |
| 1007 | return __glXBadDrawable; |
| 1008 | } |
| 1009 | |
| 1010 | } |
| 1011 | else { |
| 1012 | pDraw = 0; |
| 1013 | } |
| 1014 | |
| 1015 | if (readId != None && readId != drawId) { |
| 1016 | rc = dixLookupDrawable(&pReadDraw, readId, client, 0, DixReadAccess); |
| 1017 | if (rc == Success) { |
| 1018 | if (pReadDraw->type == DRAWABLE_WINDOW) { |
| 1019 | /* |
| 1020 | ** Drawable is an X Window. |
| 1021 | */ |
| 1022 | VisualID vid; |
| 1023 | |
| 1024 | pReadWin = (WindowPtr) pDraw; |
| 1025 | vid = wVisual(pReadWin); |
| 1026 | |
| 1027 | new_reply.readVid = |
| 1028 | (glxc->pFBConfig ? glxc->pFBConfig->id : vid); |
| 1029 | new_reply.readType = GLX_WINDOW_TYPE; |
| 1030 | |
| 1031 | /* |
| 1032 | ** Check if window and context are similar. |
| 1033 | */ |
| 1034 | if ((vid != glxc->pVisual->vid) || |
| 1035 | (pReadWin->drawable.pScreen != glxc->pScreen)) { |
| 1036 | client->errorValue = readId; |
| 1037 | return BadMatch; |
| 1038 | } |
| 1039 | |
| 1040 | } |
| 1041 | else { |
| 1042 | |
| 1043 | /* |
| 1044 | ** An X Pixmap is not allowed as a parameter (a GLX Pixmap |
| 1045 | ** is, but it must first be created with glxCreateGLXPixmap). |
| 1046 | */ |
| 1047 | client->errorValue = readId; |
| 1048 | return __glXBadDrawable; |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | if (!pReadDraw) { |
| 1053 | dixLookupResourceByType((pointer *) &pReadGlxPixmap, readId, |
| 1054 | __glXPixmapRes, NullClient, |
| 1055 | DixUnknownAccess); |
| 1056 | if (pReadGlxPixmap) { |
| 1057 | /* |
| 1058 | ** Check if pixmap and context are similar. |
| 1059 | */ |
| 1060 | if (pReadGlxPixmap->pScreen != glxc->pScreen || |
| 1061 | pReadGlxPixmap->pGlxVisual != glxc->pGlxVisual) { |
| 1062 | client->errorValue = readId; |
| 1063 | return BadMatch; |
| 1064 | } |
| 1065 | pReadDraw = pReadGlxPixmap->pDraw; |
| 1066 | |
| 1067 | new_reply.readVid = (glxc->pFBConfig ? glxc->pFBConfig->id : |
| 1068 | pReadGlxPixmap->pGlxVisual->vid); |
| 1069 | new_reply.readType = GLX_PIXMAP_TYPE; |
| 1070 | |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 1075 | dixLookupResourceByType((pointer *) &pGlxReadWindow, readId, |
| 1076 | __glXWindowRes, NullClient, |
| 1077 | DixUnknownAccess); |
| 1078 | if (pGlxReadWindow) { |
| 1079 | /* |
| 1080 | ** Drawable is a GLXWindow. |
| 1081 | ** |
| 1082 | ** Check if GLX window and context are similar. |
| 1083 | */ |
| 1084 | if (pGlxReadWindow->pScreen != glxc->pScreen || |
| 1085 | pGlxReadWindow->pGlxFBConfig != glxc->pFBConfig) { |
| 1086 | client->errorValue = readId; |
| 1087 | return BadMatch; |
| 1088 | } |
| 1089 | |
| 1090 | pReadDraw = pGlxReadWindow->pDraw; |
| 1091 | new_reply.readVid = pGlxReadWindow->pGlxFBConfig->id; |
| 1092 | new_reply.readType = GLX_GLXWINDOW_TYPE; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | if (!pReadDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 1097 | dixLookupResourceByType((pointer *) &pGlxReadPbuffer, readId, |
| 1098 | __glXPbufferRes, NullClient, |
| 1099 | DixUnknownAccess); |
| 1100 | if (pGlxReadPbuffer) { |
| 1101 | if (pGlxReadPbuffer->pScreen != glxc->pScreen || |
| 1102 | pGlxReadPbuffer->pFBConfig != glxc->pFBConfig) { |
| 1103 | client->errorValue = drawId; |
| 1104 | return BadMatch; |
| 1105 | } |
| 1106 | |
| 1107 | pReadDraw = (DrawablePtr) pGlxReadPbuffer; |
| 1108 | new_reply.readVid = pGlxReadPbuffer->pFBConfig->id; |
| 1109 | new_reply.readType = GLX_PBUFFER_TYPE; |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | if (!pReadDraw) { |
| 1114 | /* |
| 1115 | ** Drawable is neither a Window nor a GLXPixmap. |
| 1116 | */ |
| 1117 | client->errorValue = readId; |
| 1118 | return __glXBadDrawable; |
| 1119 | } |
| 1120 | |
| 1121 | } |
| 1122 | else { |
| 1123 | pReadDraw = pDraw; |
| 1124 | pReadGlxPixmap = pGlxPixmap; |
| 1125 | pReadWin = pWin; |
| 1126 | new_reply.readVid = new_reply.writeVid; |
| 1127 | new_reply.readType = new_reply.writeType; |
| 1128 | } |
| 1129 | |
| 1130 | if (prevglxc) { |
| 1131 | |
| 1132 | if (prevglxc->pGlxPixmap) { |
| 1133 | /* |
| 1134 | ** The previous drawable was a glx pixmap, release it. |
| 1135 | */ |
| 1136 | prevglxc->pGlxPixmap->refcnt--; |
| 1137 | __glXFreeGLXPixmap(prevglxc->pGlxPixmap); |
| 1138 | prevglxc->pGlxPixmap = 0; |
| 1139 | } |
| 1140 | |
| 1141 | if (prevglxc->pGlxReadPixmap) { |
| 1142 | /* |
| 1143 | ** The previous drawable was a glx pixmap, release it. |
| 1144 | */ |
| 1145 | prevglxc->pGlxReadPixmap->refcnt--; |
| 1146 | __glXFreeGLXPixmap(prevglxc->pGlxReadPixmap); |
| 1147 | prevglxc->pGlxReadPixmap = 0; |
| 1148 | } |
| 1149 | |
| 1150 | if (prevglxc->pGlxWindow) { |
| 1151 | /* |
| 1152 | ** The previous drawable was a glx window, release it. |
| 1153 | */ |
| 1154 | prevglxc->pGlxWindow->refcnt--; |
| 1155 | __glXFreeGLXWindow(prevglxc->pGlxWindow); |
| 1156 | prevglxc->pGlxWindow = 0; |
| 1157 | } |
| 1158 | |
| 1159 | if (prevglxc->pGlxReadWindow) { |
| 1160 | /* |
| 1161 | ** The previous drawable was a glx window, release it. |
| 1162 | */ |
| 1163 | prevglxc->pGlxReadWindow->refcnt--; |
| 1164 | __glXFreeGLXWindow(prevglxc->pGlxReadWindow); |
| 1165 | prevglxc->pGlxReadWindow = 0; |
| 1166 | } |
| 1167 | |
| 1168 | if (prevglxc->pGlxPbuffer) { |
| 1169 | /* |
| 1170 | ** The previous drawable was a glx Pbuffer, release it. |
| 1171 | */ |
| 1172 | prevglxc->pGlxPbuffer->refcnt--; |
| 1173 | __glXFreeGLXPbuffer(prevglxc->pGlxPbuffer); |
| 1174 | prevglxc->pGlxPbuffer = 0; |
| 1175 | } |
| 1176 | |
| 1177 | if (prevglxc->pGlxReadPbuffer) { |
| 1178 | /* |
| 1179 | ** The previous drawable was a glx Pbuffer, release it. |
| 1180 | */ |
| 1181 | prevglxc->pGlxReadPbuffer->refcnt--; |
| 1182 | __glXFreeGLXPbuffer(prevglxc->pGlxReadPbuffer); |
| 1183 | prevglxc->pGlxReadPbuffer = 0; |
| 1184 | } |
| 1185 | |
| 1186 | ChangeCurrentContext(cl, glxc, tag); |
| 1187 | ChangeCurrentContext(cl, glxc, tag); |
| 1188 | StopUsingContext(prevglxc); |
| 1189 | } |
| 1190 | else { |
| 1191 | tag = AddCurrentContext(cl, glxc, pDraw); |
| 1192 | } |
| 1193 | if (glxc) { |
| 1194 | |
| 1195 | glxc->pGlxPixmap = pGlxPixmap; |
| 1196 | glxc->pGlxReadPixmap = pReadGlxPixmap; |
| 1197 | glxc->pGlxWindow = pGlxWindow; |
| 1198 | glxc->pGlxReadWindow = pGlxReadWindow; |
| 1199 | glxc->pGlxPbuffer = pGlxPbuffer; |
| 1200 | glxc->pGlxReadPbuffer = pGlxReadPbuffer; |
| 1201 | |
| 1202 | if (pGlxPixmap) { |
| 1203 | pGlxPixmap->refcnt++; |
| 1204 | } |
| 1205 | |
| 1206 | if (pReadGlxPixmap) { |
| 1207 | pReadGlxPixmap->refcnt++; |
| 1208 | } |
| 1209 | |
| 1210 | if (pGlxWindow) { |
| 1211 | pGlxWindow->refcnt++; |
| 1212 | } |
| 1213 | |
| 1214 | if (pGlxReadWindow) { |
| 1215 | pGlxReadWindow->refcnt++; |
| 1216 | } |
| 1217 | |
| 1218 | if (pGlxPbuffer) { |
| 1219 | pGlxPbuffer->refcnt++; |
| 1220 | } |
| 1221 | |
| 1222 | if (pGlxReadPbuffer) { |
| 1223 | pGlxReadPbuffer->refcnt++; |
| 1224 | } |
| 1225 | |
| 1226 | StartUsingContext(cl, glxc); |
| 1227 | new_reply.contextTag = tag; |
| 1228 | } |
| 1229 | else { |
| 1230 | new_reply.contextTag = 0; |
| 1231 | } |
| 1232 | |
| 1233 | #ifdef PANORAMIX |
| 1234 | if (!noPanoramiXExtension) { |
| 1235 | from_screen = 0; |
| 1236 | to_screen = screenInfo.numScreens - 1; |
| 1237 | |
| 1238 | if (pDraw && new_reply.writeType != GLX_PBUFFER_TYPE) { |
| 1239 | dixLookupResourceByClass((pointer *) &pXinDraw, |
| 1240 | pDraw->id, XRC_DRAWABLE, |
| 1241 | client, DixReadAccess); |
| 1242 | } |
| 1243 | |
| 1244 | if (pReadDraw && pReadDraw != pDraw && |
| 1245 | new_reply.readType != GLX_PBUFFER_TYPE) { |
| 1246 | dixLookupResourceByClass((pointer *) &pXinReadDraw, |
| 1247 | pReadDraw->id, XRC_DRAWABLE, |
| 1248 | client, DixReadAccess); |
| 1249 | } |
| 1250 | else { |
| 1251 | pXinReadDraw = pXinDraw; |
| 1252 | } |
| 1253 | } |
| 1254 | #endif |
| 1255 | |
| 1256 | /* send the MakeCurrent request to all required |
| 1257 | * back-end servers. |
| 1258 | */ |
| 1259 | for (s = from_screen; s <= to_screen; s++) { |
| 1260 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 1261 | Display *dpy = GetBackEndDisplay(cl, s); |
| 1262 | unsigned int be_draw = None; |
| 1263 | unsigned int be_read_draw = None; |
| 1264 | |
| 1265 | if (pGlxPixmap) { |
| 1266 | be_draw = pGlxPixmap->be_xids[s]; |
| 1267 | } |
| 1268 | else if (pGlxPbuffer) { |
| 1269 | be_draw = pGlxPbuffer->be_xids[s]; |
| 1270 | } |
| 1271 | #ifdef PANORAMIX |
| 1272 | else if (pXinDraw) { |
| 1273 | dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess); |
| 1274 | } |
| 1275 | #endif |
| 1276 | else if (pGlxWindow) { |
| 1277 | pWin = (WindowPtr) pGlxWindow->pDraw; |
| 1278 | } |
| 1279 | |
| 1280 | if (pWin && be_draw == None) { |
| 1281 | be_draw = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 1282 | if (!be_draw) { |
| 1283 | /* it might be that the window did not created yet on the */ |
| 1284 | /* back-end server (lazy window creation option), force */ |
| 1285 | /* creation of the window */ |
| 1286 | dmxCreateAndRealizeWindow(pWin, TRUE); |
| 1287 | be_draw = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | /* |
| 1292 | * Before sending the MakeCurrent request - sync the |
| 1293 | * X11 connection to the back-end servers to make sure |
| 1294 | * that drawable is already created |
| 1295 | */ |
| 1296 | dmxSync(dmxScreen, 1); |
| 1297 | |
| 1298 | if (drawId == readId) { |
| 1299 | LockDisplay(dpy); |
| 1300 | GetReq(GLXMakeCurrent, be_req); |
| 1301 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 1302 | be_req->glxCode = X_GLXMakeCurrent; |
| 1303 | be_req->drawable = be_draw; |
| 1304 | be_req->context = |
| 1305 | (unsigned int) (glxc ? glxc->real_ids[s - from_screen] : 0); |
| 1306 | be_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); |
| 1307 | if (!_XReply(dpy, (xReply *) &be_reply, 0, False)) { |
| 1308 | |
| 1309 | /* The make current failed */ |
| 1310 | UnlockDisplay(dpy); |
| 1311 | SyncHandle(); |
| 1312 | return (BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code)); |
| 1313 | } |
| 1314 | |
| 1315 | UnlockDisplay(dpy); |
| 1316 | SyncHandle(); |
| 1317 | |
| 1318 | SetCurrentBackEndTag(cl, tag, s, be_reply.contextTag); |
| 1319 | } |
| 1320 | else { |
| 1321 | |
| 1322 | if (pReadGlxPixmap) { |
| 1323 | be_read_draw = pReadGlxPixmap->be_xids[s]; |
| 1324 | } |
| 1325 | else if (pGlxReadPbuffer) { |
| 1326 | be_read_draw = pGlxReadPbuffer->be_xids[s]; |
| 1327 | } |
| 1328 | #ifdef PANORAMIX |
| 1329 | else if (pXinReadDraw) { |
| 1330 | dixLookupWindow(&pReadWin, pXinReadDraw->info[s].id, client, |
| 1331 | DixReadAccess); |
| 1332 | } |
| 1333 | #endif |
| 1334 | else if (pGlxReadWindow) { |
| 1335 | pReadWin = (WindowPtr) pGlxReadWindow->pDraw; |
| 1336 | } |
| 1337 | |
| 1338 | if (pReadWin && be_read_draw == None) { |
| 1339 | be_read_draw = |
| 1340 | (unsigned int) (DMX_GET_WINDOW_PRIV(pReadWin))->window; |
| 1341 | if (!be_read_draw) { |
| 1342 | /* it might be that the window did not created yet on the */ |
| 1343 | /* back-end server (lazy window creation option), force */ |
| 1344 | /* creation of the window */ |
| 1345 | dmxCreateAndRealizeWindow(pReadWin, TRUE); |
| 1346 | be_read_draw = |
| 1347 | (unsigned int) (DMX_GET_WINDOW_PRIV(pReadWin))->window; |
| 1348 | dmxSync(dmxScreen, 1); |
| 1349 | } |
| 1350 | } |
| 1351 | |
| 1352 | if (__GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 1353 | LockDisplay(dpy); |
| 1354 | GetReq(GLXMakeContextCurrent, be_new_req); |
| 1355 | be_new_req->reqType = dmxScreen->glxMajorOpcode; |
| 1356 | be_new_req->glxCode = X_GLXMakeContextCurrent; |
| 1357 | be_new_req->drawable = be_draw; |
| 1358 | be_new_req->readdrawable = be_read_draw; |
| 1359 | be_new_req->context = |
| 1360 | (unsigned int) (glxc ? glxc->real_ids[s - from_screen] : 0); |
| 1361 | be_new_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); |
| 1362 | if (!_XReply(dpy, (xReply *) &be_new_reply, 0, False)) { |
| 1363 | |
| 1364 | /* The make current failed */ |
| 1365 | UnlockDisplay(dpy); |
| 1366 | SyncHandle(); |
| 1367 | return (BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code)); |
| 1368 | } |
| 1369 | |
| 1370 | UnlockDisplay(dpy); |
| 1371 | SyncHandle(); |
| 1372 | |
| 1373 | SetCurrentBackEndTag(cl, tag, s, be_new_reply.contextTag); |
| 1374 | } |
| 1375 | else if (glxIsExtensionSupported("GLX_SGI_make_current_read")) { |
| 1376 | xGLXMakeCurrentReadSGIReq *ext_req; |
| 1377 | xGLXVendorPrivateWithReplyReq *vpreq; |
| 1378 | xGLXMakeCurrentReadSGIReply ext_reply; |
| 1379 | |
| 1380 | LockDisplay(dpy); |
| 1381 | GetReqExtra(GLXVendorPrivateWithReply, |
| 1382 | sz_xGLXMakeCurrentReadSGIReq - |
| 1383 | sz_xGLXVendorPrivateWithReplyReq, vpreq); |
| 1384 | ext_req = (xGLXMakeCurrentReadSGIReq *) vpreq; |
| 1385 | ext_req->reqType = dmxScreen->glxMajorOpcode; |
| 1386 | ext_req->glxCode = X_GLXVendorPrivateWithReply; |
| 1387 | ext_req->vendorCode = X_GLXvop_MakeCurrentReadSGI; |
| 1388 | ext_req->drawable = be_draw; |
| 1389 | ext_req->readable = be_read_draw; |
| 1390 | ext_req->context = |
| 1391 | (unsigned int) (glxc ? glxc->real_ids[s - from_screen] : 0); |
| 1392 | ext_req->oldContextTag = GetCurrentBackEndTag(cl, tag, s); |
| 1393 | if (!_XReply(dpy, (xReply *) &ext_reply, 0, False)) { |
| 1394 | |
| 1395 | /* The make current failed */ |
| 1396 | UnlockDisplay(dpy); |
| 1397 | SyncHandle(); |
| 1398 | return (BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code)); |
| 1399 | } |
| 1400 | |
| 1401 | UnlockDisplay(dpy); |
| 1402 | SyncHandle(); |
| 1403 | |
| 1404 | SetCurrentBackEndTag(cl, tag, s, ext_reply.contextTag); |
| 1405 | |
| 1406 | } |
| 1407 | else { |
| 1408 | return BadMatch; |
| 1409 | } |
| 1410 | } |
| 1411 | |
| 1412 | XFlush(dpy); |
| 1413 | } |
| 1414 | |
| 1415 | if (client->swapped) { |
| 1416 | __glXSwapMakeCurrentReply(client, &new_reply); |
| 1417 | } |
| 1418 | else { |
| 1419 | WriteToClient(client, sz_xGLXMakeContextCurrentReply, &new_reply); |
| 1420 | } |
| 1421 | |
| 1422 | return Success; |
| 1423 | } |
| 1424 | |
| 1425 | int |
| 1426 | __glXMakeCurrent(__GLXclientState * cl, GLbyte * pc) |
| 1427 | { |
| 1428 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; |
| 1429 | |
| 1430 | return (MakeCurrent(cl, req->drawable, req->drawable, |
| 1431 | req->context, req->oldContextTag)); |
| 1432 | } |
| 1433 | |
| 1434 | int |
| 1435 | __glXMakeContextCurrent(__GLXclientState * cl, GLbyte * pc) |
| 1436 | { |
| 1437 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; |
| 1438 | |
| 1439 | return (MakeCurrent(cl, req->drawable, req->readdrawable, |
| 1440 | req->context, req->oldContextTag)); |
| 1441 | } |
| 1442 | |
| 1443 | int |
| 1444 | __glXMakeCurrentReadSGI(__GLXclientState * cl, GLbyte * pc) |
| 1445 | { |
| 1446 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; |
| 1447 | |
| 1448 | return (MakeCurrent(cl, req->drawable, req->readable, |
| 1449 | req->context, req->oldContextTag)); |
| 1450 | } |
| 1451 | |
| 1452 | int |
| 1453 | __glXIsDirect(__GLXclientState * cl, GLbyte * pc) |
| 1454 | { |
| 1455 | ClientPtr client = cl->client; |
| 1456 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; |
| 1457 | xGLXIsDirectReply reply; |
| 1458 | __GLXcontext *glxc; |
| 1459 | |
| 1460 | /* |
| 1461 | ** Find the GL context. |
| 1462 | */ |
| 1463 | dixLookupResourceByType((pointer *) &glxc, req->context, __glXContextRes, |
| 1464 | NullClient, DixUnknownAccess); |
| 1465 | if (!glxc) { |
| 1466 | client->errorValue = req->context; |
| 1467 | return __glXBadContext; |
| 1468 | } |
| 1469 | |
| 1470 | reply = (xGLXIsDirectReply) { |
| 1471 | .type = X_Reply, |
| 1472 | .sequenceNumber = client->sequence, |
| 1473 | .length = 0, |
| 1474 | .isDirect = 0 |
| 1475 | }; |
| 1476 | |
| 1477 | if (client->swapped) { |
| 1478 | __glXSwapIsDirectReply(client, &reply); |
| 1479 | } |
| 1480 | else { |
| 1481 | WriteToClient(client, sz_xGLXIsDirectReply, &reply); |
| 1482 | } |
| 1483 | |
| 1484 | return Success; |
| 1485 | } |
| 1486 | |
| 1487 | int |
| 1488 | __glXQueryVersion(__GLXclientState * cl, GLbyte * pc) |
| 1489 | { |
| 1490 | ClientPtr client = cl->client; |
| 1491 | |
| 1492 | /* xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; */ |
| 1493 | |
| 1494 | xGLXQueryVersionReply reply = { |
| 1495 | .type = X_Reply, |
| 1496 | .sequenceNumber = client->sequence, |
| 1497 | .length = 0, |
| 1498 | /* |
| 1499 | ** Server should take into consideration the version numbers sent by the |
| 1500 | ** client if it wants to work with older clients; however, in this |
| 1501 | ** implementation the server just returns its version number. |
| 1502 | */ |
| 1503 | .majorVersion = __glXVersionMajor, |
| 1504 | .minorVersion = __glXVersionMinor |
| 1505 | }; |
| 1506 | |
| 1507 | if (client->swapped) { |
| 1508 | __glXSwapQueryVersionReply(client, &reply); |
| 1509 | } |
| 1510 | else { |
| 1511 | WriteToClient(client, sz_xGLXQueryVersionReply, &reply); |
| 1512 | } |
| 1513 | return Success; |
| 1514 | } |
| 1515 | |
| 1516 | int |
| 1517 | __glXWaitGL(__GLXclientState * cl, GLbyte * pc) |
| 1518 | { |
| 1519 | xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; |
| 1520 | xGLXWaitGLReq *be_req = (xGLXWaitGLReq *) pc; |
| 1521 | int from_screen = 0; |
| 1522 | int to_screen = 0; |
| 1523 | int s; |
| 1524 | __GLXcontext *glxc = NULL; |
| 1525 | |
| 1526 | if (req->contextTag != 0) { |
| 1527 | glxc = __glXLookupContextByTag(cl, req->contextTag); |
| 1528 | if (glxc) { |
| 1529 | from_screen = to_screen = glxc->pScreen->myNum; |
| 1530 | } |
| 1531 | } |
| 1532 | |
| 1533 | #ifdef PANORAMIX |
| 1534 | if (!noPanoramiXExtension) { |
| 1535 | from_screen = 0; |
| 1536 | to_screen = screenInfo.numScreens - 1; |
| 1537 | } |
| 1538 | #endif |
| 1539 | |
| 1540 | for (s = from_screen; s <= to_screen; s++) { |
| 1541 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 1542 | Display *dpy = GetBackEndDisplay(cl, s); |
| 1543 | |
| 1544 | LockDisplay(dpy); |
| 1545 | GetReq(GLXWaitGL, be_req); |
| 1546 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 1547 | be_req->glxCode = X_GLXWaitGL; |
| 1548 | be_req->contextTag = |
| 1549 | (glxc ? GetCurrentBackEndTag(cl, req->contextTag, s) : 0); |
| 1550 | UnlockDisplay(dpy); |
| 1551 | SyncHandle(); |
| 1552 | |
| 1553 | XSync(dpy, False); |
| 1554 | } |
| 1555 | |
| 1556 | return Success; |
| 1557 | } |
| 1558 | |
| 1559 | int |
| 1560 | __glXWaitX(__GLXclientState * cl, GLbyte * pc) |
| 1561 | { |
| 1562 | xGLXWaitXReq *req = (xGLXWaitXReq *) pc; |
| 1563 | xGLXWaitXReq *be_req; |
| 1564 | int from_screen = 0; |
| 1565 | int to_screen = 0; |
| 1566 | int s; |
| 1567 | __GLXcontext *glxc = NULL; |
| 1568 | |
| 1569 | if (req->contextTag != 0) { |
| 1570 | glxc = __glXLookupContextByTag(cl, req->contextTag); |
| 1571 | if (glxc) { |
| 1572 | from_screen = to_screen = glxc->pScreen->myNum; |
| 1573 | } |
| 1574 | } |
| 1575 | |
| 1576 | #ifdef PANORAMIX |
| 1577 | if (!noPanoramiXExtension) { |
| 1578 | from_screen = 0; |
| 1579 | to_screen = screenInfo.numScreens - 1; |
| 1580 | } |
| 1581 | #endif |
| 1582 | |
| 1583 | for (s = from_screen; s <= to_screen; s++) { |
| 1584 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 1585 | Display *dpy = GetBackEndDisplay(cl, s); |
| 1586 | |
| 1587 | dmxSync(dmxScreen, 1); |
| 1588 | |
| 1589 | LockDisplay(dpy); |
| 1590 | GetReq(GLXWaitX, be_req); |
| 1591 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 1592 | be_req->glxCode = X_GLXWaitX; |
| 1593 | be_req->contextTag = |
| 1594 | (glxc ? GetCurrentBackEndTag(cl, req->contextTag, s) : 0); |
| 1595 | UnlockDisplay(dpy); |
| 1596 | SyncHandle(); |
| 1597 | |
| 1598 | XFlush(dpy); |
| 1599 | } |
| 1600 | |
| 1601 | return Success; |
| 1602 | } |
| 1603 | |
| 1604 | int |
| 1605 | __glXCopyContext(__GLXclientState * cl, GLbyte * pc) |
| 1606 | { |
| 1607 | ClientPtr client = cl->client; |
| 1608 | xGLXCopyContextReq *be_req; |
| 1609 | xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; |
| 1610 | GLXContextID source = req->source; |
| 1611 | GLXContextID dest = req->dest; |
| 1612 | GLXContextTag tag = req->contextTag; |
| 1613 | unsigned long mask = req->mask; |
| 1614 | __GLXcontext *src, *dst; |
| 1615 | int s; |
| 1616 | int from_screen = 0; |
| 1617 | int to_screen = 0; |
| 1618 | |
| 1619 | /* |
| 1620 | ** Check that each context exists. |
| 1621 | */ |
| 1622 | dixLookupResourceByType((pointer *) &src, source, __glXContextRes, |
| 1623 | NullClient, DixUnknownAccess); |
| 1624 | if (!src) { |
| 1625 | client->errorValue = source; |
| 1626 | return __glXBadContext; |
| 1627 | } |
| 1628 | dixLookupResourceByType((pointer *) &dst, dest, __glXContextRes, |
| 1629 | NullClient, DixUnknownAccess); |
| 1630 | if (!dst) { |
| 1631 | client->errorValue = dest; |
| 1632 | return __glXBadContext; |
| 1633 | } |
| 1634 | |
| 1635 | /* |
| 1636 | ** They must be in the same address space, and same screen. |
| 1637 | */ |
| 1638 | if (src->pGlxScreen != dst->pGlxScreen) { |
| 1639 | client->errorValue = source; |
| 1640 | return BadMatch; |
| 1641 | } |
| 1642 | |
| 1643 | /* |
| 1644 | ** The destination context must not be current for any client. |
| 1645 | */ |
| 1646 | if (dst->isCurrent) { |
| 1647 | client->errorValue = dest; |
| 1648 | return BadAccess; |
| 1649 | } |
| 1650 | |
| 1651 | if (tag) { |
| 1652 | __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); |
| 1653 | |
| 1654 | if (!tagcx) { |
| 1655 | return __glXBadContextTag; |
| 1656 | } |
| 1657 | if (tagcx != src) { |
| 1658 | /* |
| 1659 | ** This would be caused by a faulty implementation of the client |
| 1660 | ** library. |
| 1661 | */ |
| 1662 | return BadMatch; |
| 1663 | } |
| 1664 | } |
| 1665 | |
| 1666 | from_screen = to_screen = src->pScreen->myNum; |
| 1667 | |
| 1668 | #ifdef PANORAMIX |
| 1669 | if (!noPanoramiXExtension) { |
| 1670 | from_screen = 0; |
| 1671 | to_screen = screenInfo.numScreens - 1; |
| 1672 | } |
| 1673 | #endif |
| 1674 | |
| 1675 | for (s = from_screen; s <= to_screen; s++) { |
| 1676 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 1677 | Display *dpy = GetBackEndDisplay(cl, s); |
| 1678 | |
| 1679 | LockDisplay(dpy); |
| 1680 | GetReq(GLXCopyContext, be_req); |
| 1681 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 1682 | be_req->glxCode = X_GLXCopyContext; |
| 1683 | be_req->source = (unsigned int) src->real_ids[s - from_screen]; |
| 1684 | be_req->dest = (unsigned int) dst->real_ids[s - from_screen]; |
| 1685 | be_req->mask = mask; |
| 1686 | be_req->contextTag = |
| 1687 | (tag ? GetCurrentBackEndTag(cl, req->contextTag, s) : 0); |
| 1688 | UnlockDisplay(dpy); |
| 1689 | SyncHandle(); |
| 1690 | } |
| 1691 | |
| 1692 | return Success; |
| 1693 | } |
| 1694 | |
| 1695 | int |
| 1696 | __glXGetVisualConfigs(__GLXclientState * cl, GLbyte * pc) |
| 1697 | { |
| 1698 | ClientPtr client = cl->client; |
| 1699 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; |
| 1700 | xGLXGetVisualConfigsReply reply; |
| 1701 | __GLXscreenInfo *pGlxScreen; |
| 1702 | __GLXvisualConfig *pGlxVisual; |
| 1703 | CARD32 buf[__GLX_TOTAL_CONFIG]; |
| 1704 | unsigned int screen; |
| 1705 | int i, p; |
| 1706 | |
| 1707 | screen = req->screen; |
| 1708 | if (screen >= screenInfo.numScreens) { |
| 1709 | /* The client library must send a valid screen number. */ |
| 1710 | client->errorValue = screen; |
| 1711 | return BadValue; |
| 1712 | } |
| 1713 | pGlxScreen = &__glXActiveScreens[screen]; |
| 1714 | |
| 1715 | reply = (xGLXGetVisualConfigsReply) { |
| 1716 | .type = X_Reply, |
| 1717 | .sequenceNumber = client->sequence, |
| 1718 | .numVisuals = pGlxScreen->numGLXVisuals, |
| 1719 | .numProps = __GLX_TOTAL_CONFIG, |
| 1720 | .length = (pGlxScreen->numGLXVisuals * __GLX_SIZE_CARD32 * |
| 1721 | __GLX_TOTAL_CONFIG) >> 2 |
| 1722 | }; |
| 1723 | |
| 1724 | WriteToClient(client, sz_xGLXGetVisualConfigsReply, &reply); |
| 1725 | |
| 1726 | for (i = 0; i < pGlxScreen->numVisuals; i++) { |
| 1727 | pGlxVisual = &pGlxScreen->pGlxVisual[i]; |
| 1728 | if (!pGlxScreen->isGLXvis[i] || pGlxVisual->vid == 0) { |
| 1729 | /* not a usable visual */ |
| 1730 | continue; |
| 1731 | } |
| 1732 | p = 0; |
| 1733 | buf[p++] = pGlxVisual->vid; |
| 1734 | buf[p++] = pGlxVisual->class; |
| 1735 | buf[p++] = pGlxVisual->rgba; |
| 1736 | |
| 1737 | buf[p++] = pGlxVisual->redSize; |
| 1738 | buf[p++] = pGlxVisual->greenSize; |
| 1739 | buf[p++] = pGlxVisual->blueSize; |
| 1740 | buf[p++] = pGlxVisual->alphaSize; |
| 1741 | buf[p++] = pGlxVisual->accumRedSize; |
| 1742 | buf[p++] = pGlxVisual->accumGreenSize; |
| 1743 | buf[p++] = pGlxVisual->accumBlueSize; |
| 1744 | buf[p++] = pGlxVisual->accumAlphaSize; |
| 1745 | |
| 1746 | buf[p++] = pGlxVisual->doubleBuffer; |
| 1747 | buf[p++] = pGlxVisual->stereo; |
| 1748 | |
| 1749 | buf[p++] = pGlxVisual->bufferSize; |
| 1750 | buf[p++] = pGlxVisual->depthSize; |
| 1751 | buf[p++] = pGlxVisual->stencilSize; |
| 1752 | buf[p++] = pGlxVisual->auxBuffers; |
| 1753 | buf[p++] = pGlxVisual->level; |
| 1754 | /* |
| 1755 | ** Add token/value pairs for extensions. |
| 1756 | */ |
| 1757 | buf[p++] = GLX_VISUAL_CAVEAT_EXT; |
| 1758 | buf[p++] = pGlxVisual->visualRating; |
| 1759 | buf[p++] = GLX_TRANSPARENT_TYPE_EXT; |
| 1760 | buf[p++] = pGlxVisual->transparentPixel; |
| 1761 | buf[p++] = GLX_TRANSPARENT_RED_VALUE_EXT; |
| 1762 | buf[p++] = pGlxVisual->transparentRed; |
| 1763 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE_EXT; |
| 1764 | buf[p++] = pGlxVisual->transparentGreen; |
| 1765 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE_EXT; |
| 1766 | buf[p++] = pGlxVisual->transparentBlue; |
| 1767 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE_EXT; |
| 1768 | buf[p++] = pGlxVisual->transparentAlpha; |
| 1769 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE_EXT; |
| 1770 | buf[p++] = pGlxVisual->transparentIndex; |
| 1771 | buf[p++] = GLX_SAMPLES_SGIS; |
| 1772 | buf[p++] = pGlxVisual->multiSampleSize; |
| 1773 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; |
| 1774 | buf[p++] = pGlxVisual->nMultiSampleBuffers; |
| 1775 | buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX; |
| 1776 | buf[p++] = pGlxVisual->visualSelectGroup; |
| 1777 | |
| 1778 | WriteToClient(client, __GLX_SIZE_CARD32 * __GLX_TOTAL_CONFIG, buf); |
| 1779 | } |
| 1780 | return Success; |
| 1781 | } |
| 1782 | |
| 1783 | /* |
| 1784 | ** Create a GLX Pixmap from an X Pixmap. |
| 1785 | */ |
| 1786 | static int |
| 1787 | CreateGLXPixmap(__GLXclientState * cl, |
| 1788 | VisualID visual, GLXFBConfigID fbconfigId, |
| 1789 | int screenNum, XID pixmapId, XID glxpixmapId) |
| 1790 | { |
| 1791 | ClientPtr client = cl->client; |
| 1792 | xGLXCreateGLXPixmapReq *be_req; |
| 1793 | xGLXCreatePixmapReq *be_new_req; |
| 1794 | DrawablePtr pDraw; |
| 1795 | ScreenPtr pScreen; |
| 1796 | VisualPtr pVisual; |
| 1797 | __GLXpixmap *pGlxPixmap; |
| 1798 | __GLXscreenInfo *pGlxScreen; |
| 1799 | __GLXvisualConfig *pGlxVisual; |
| 1800 | __GLXFBConfig *pFBConfig; |
| 1801 | int i, s, rc; |
| 1802 | int from_screen, to_screen; |
| 1803 | |
| 1804 | #ifdef PANORAMIX |
| 1805 | PanoramiXRes *pXinDraw = NULL; |
| 1806 | #endif |
| 1807 | |
| 1808 | rc = dixLookupDrawable(&pDraw, pixmapId, client, M_DRAWABLE_PIXMAP, |
| 1809 | DixAddAccess); |
| 1810 | if (rc != Success) |
| 1811 | return rc; |
| 1812 | |
| 1813 | /* |
| 1814 | ** Check if screen of visual matches screen of pixmap. |
| 1815 | */ |
| 1816 | pScreen = pDraw->pScreen; |
| 1817 | if (screenNum != pScreen->myNum) { |
| 1818 | return BadMatch; |
| 1819 | } |
| 1820 | |
| 1821 | if (fbconfigId == 0 && visual == 0) { |
| 1822 | return BadValue; |
| 1823 | } |
| 1824 | |
| 1825 | if (fbconfigId != None) { |
| 1826 | pFBConfig = glxLookupFBConfig(fbconfigId); |
| 1827 | if (!pFBConfig) { |
| 1828 | client->errorValue = fbconfigId; |
| 1829 | return BadValue; |
| 1830 | } |
| 1831 | visual = pFBConfig->associatedVisualId; |
| 1832 | } |
| 1833 | else { |
| 1834 | pFBConfig = NULL; |
| 1835 | } |
| 1836 | |
| 1837 | if (visual != None) { |
| 1838 | /* |
| 1839 | ** Find the VisualRec for this visual. |
| 1840 | */ |
| 1841 | pVisual = pScreen->visuals; |
| 1842 | for (i = 0; i < pScreen->numVisuals; i++, pVisual++) { |
| 1843 | if (pVisual->vid == visual) { |
| 1844 | break; |
| 1845 | } |
| 1846 | } |
| 1847 | if (i == pScreen->numVisuals) { |
| 1848 | client->errorValue = visual; |
| 1849 | return BadValue; |
| 1850 | } |
| 1851 | /* |
| 1852 | ** Check if depth of visual matches depth of pixmap. |
| 1853 | */ |
| 1854 | if (pVisual->nplanes != pDraw->depth) { |
| 1855 | client->errorValue = visual; |
| 1856 | return BadMatch; |
| 1857 | } |
| 1858 | |
| 1859 | /* |
| 1860 | ** Get configuration of the visual. |
| 1861 | */ |
| 1862 | pGlxScreen = &__glXActiveScreens[screenNum]; |
| 1863 | pGlxVisual = pGlxScreen->pGlxVisual; |
| 1864 | for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) { |
| 1865 | if (pGlxVisual->vid == visual) { |
| 1866 | break; |
| 1867 | } |
| 1868 | } |
| 1869 | if (i == pGlxScreen->numVisuals) { |
| 1870 | /* |
| 1871 | ** Visual not support on this screen by this OpenGL implementation. |
| 1872 | */ |
| 1873 | client->errorValue = visual; |
| 1874 | return BadValue; |
| 1875 | } |
| 1876 | |
| 1877 | /* find the FBConfig for that visual (if any) */ |
| 1878 | if (pFBConfig == NULL) { |
| 1879 | pFBConfig = glxLookupFBConfigByVID(visual); |
| 1880 | |
| 1881 | if (pFBConfig == NULL) { |
| 1882 | /* |
| 1883 | * visual does not have an FBConfig ??? |
| 1884 | client->errorValue = visual; |
| 1885 | return BadValue; |
| 1886 | */ |
| 1887 | } |
| 1888 | } |
| 1889 | } |
| 1890 | else { |
| 1891 | pVisual = NULL; |
| 1892 | pGlxVisual = NULL; |
| 1893 | pGlxScreen = &__glXActiveScreens[pDraw->pScreen->myNum]; |
| 1894 | } |
| 1895 | |
| 1896 | pGlxPixmap = (__GLXpixmap *) malloc(sizeof(__GLXpixmap)); |
| 1897 | if (!pGlxPixmap) { |
| 1898 | return BadAlloc; |
| 1899 | } |
| 1900 | pGlxPixmap->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens); |
| 1901 | if (!pGlxPixmap->be_xids) { |
| 1902 | free(pGlxPixmap); |
| 1903 | return BadAlloc; |
| 1904 | } |
| 1905 | |
| 1906 | pGlxPixmap->pDraw = pDraw; |
| 1907 | pGlxPixmap->pGlxScreen = pGlxScreen; |
| 1908 | pGlxPixmap->pGlxVisual = pGlxVisual; |
| 1909 | pGlxPixmap->pFBConfig = pFBConfig; |
| 1910 | pGlxPixmap->pScreen = pScreen; |
| 1911 | pGlxPixmap->idExists = True; |
| 1912 | pGlxPixmap->refcnt = 0; |
| 1913 | |
| 1914 | /* |
| 1915 | ** Bump the ref count on the X pixmap so it won't disappear. |
| 1916 | */ |
| 1917 | ((PixmapPtr) pDraw)->refcnt++; |
| 1918 | |
| 1919 | /* |
| 1920 | * send the request to the back-end server(s) |
| 1921 | */ |
| 1922 | from_screen = to_screen = screenNum; |
| 1923 | #ifdef PANORAMIX |
| 1924 | if (!noPanoramiXExtension) { |
| 1925 | from_screen = 0; |
| 1926 | to_screen = screenInfo.numScreens - 1; |
| 1927 | |
| 1928 | dixLookupResourceByClass((pointer *) &pXinDraw, |
| 1929 | pDraw->id, XRC_DRAWABLE, |
| 1930 | client, DixReadAccess); |
| 1931 | } |
| 1932 | #endif |
| 1933 | |
| 1934 | for (s = from_screen; s <= to_screen; s++) { |
| 1935 | |
| 1936 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 1937 | Display *dpy = GetBackEndDisplay(cl, s); |
| 1938 | Pixmap be_pixmap; |
| 1939 | DrawablePtr pRealDraw = pDraw; |
| 1940 | |
| 1941 | #ifdef PANORAMIX |
| 1942 | if (pXinDraw) { |
| 1943 | dixLookupDrawable(&pRealDraw, pXinDraw->info[s].id, client, 0, |
| 1944 | DixAddAccess); |
| 1945 | } |
| 1946 | #endif |
| 1947 | |
| 1948 | be_pixmap = (DMX_GET_PIXMAP_PRIV((PixmapPtr) pRealDraw))->pixmap; |
| 1949 | |
| 1950 | /* make sure pixmap already created on back-end */ |
| 1951 | dmxSync(dmxScreen, 1); |
| 1952 | |
| 1953 | if (pFBConfig && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 1954 | __GLXFBConfig *be_FBConfig = |
| 1955 | glxLookupBackEndFBConfig(pFBConfig->id, s); |
| 1956 | |
| 1957 | LockDisplay(dpy); |
| 1958 | pGlxPixmap->be_xids[s] = XAllocID(dpy); |
| 1959 | GetReq(GLXCreatePixmap, be_new_req); |
| 1960 | be_new_req->reqType = dmxScreen->glxMajorOpcode; |
| 1961 | be_new_req->glxCode = X_GLXCreatePixmap; |
| 1962 | be_new_req->screen = DefaultScreen(dpy); |
| 1963 | be_new_req->fbconfig = be_FBConfig->id; |
| 1964 | be_new_req->pixmap = (unsigned int) be_pixmap; |
| 1965 | be_new_req->glxpixmap = (unsigned int) pGlxPixmap->be_xids[s]; |
| 1966 | be_new_req->numAttribs = 0; |
| 1967 | UnlockDisplay(dpy); |
| 1968 | SyncHandle(); |
| 1969 | } |
| 1970 | else if (pFBConfig && glxIsExtensionSupported("GLX_SGIX_fbconfig")) { |
| 1971 | __GLXFBConfig *be_FBConfig = |
| 1972 | glxLookupBackEndFBConfig(pFBConfig->id, s); |
| 1973 | xGLXCreateGLXPixmapWithConfigSGIXReq *ext_req; |
| 1974 | xGLXVendorPrivateReq *vpreq; |
| 1975 | |
| 1976 | LockDisplay(dpy); |
| 1977 | pGlxPixmap->be_xids[s] = XAllocID(dpy); |
| 1978 | GetReqExtra(GLXVendorPrivate, |
| 1979 | sz_xGLXCreateGLXPixmapWithConfigSGIXReq - |
| 1980 | sz_xGLXVendorPrivateReq, vpreq); |
| 1981 | ext_req = (xGLXCreateGLXPixmapWithConfigSGIXReq *) vpreq; |
| 1982 | ext_req->reqType = dmxScreen->glxMajorOpcode; |
| 1983 | ext_req->glxCode = X_GLXVendorPrivate; |
| 1984 | ext_req->vendorCode = X_GLXvop_CreateGLXPixmapWithConfigSGIX; |
| 1985 | ext_req->screen = DefaultScreen(dpy); |
| 1986 | ext_req->fbconfig = be_FBConfig->id; |
| 1987 | ext_req->pixmap = (unsigned int) be_pixmap; |
| 1988 | ext_req->glxpixmap = (unsigned int) pGlxPixmap->be_xids[s]; |
| 1989 | UnlockDisplay(dpy); |
| 1990 | SyncHandle(); |
| 1991 | } |
| 1992 | else if (pGlxVisual) { |
| 1993 | LockDisplay(dpy); |
| 1994 | pGlxPixmap->be_xids[s] = XAllocID(dpy); |
| 1995 | GetReq(GLXCreateGLXPixmap, be_req); |
| 1996 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 1997 | be_req->glxCode = X_GLXCreateGLXPixmap; |
| 1998 | be_req->screen = DefaultScreen(dpy); |
| 1999 | be_req->visual = |
| 2000 | (unsigned int) glxMatchGLXVisualInConfigList(pGlxVisual, |
| 2001 | dmxScreen-> |
| 2002 | glxVisuals, |
| 2003 | dmxScreen-> |
| 2004 | numGlxVisuals); |
| 2005 | be_req->pixmap = (unsigned int) be_pixmap; |
| 2006 | be_req->glxpixmap = (unsigned int) pGlxPixmap->be_xids[s]; |
| 2007 | UnlockDisplay(dpy); |
| 2008 | SyncHandle(); |
| 2009 | } |
| 2010 | else { |
| 2011 | client->errorValue = (visual ? visual : fbconfigId); |
| 2012 | free(pGlxPixmap); |
| 2013 | return BadValue; |
| 2014 | } |
| 2015 | |
| 2016 | XFlush(dpy); |
| 2017 | } |
| 2018 | |
| 2019 | if (!(AddResource(glxpixmapId, __glXPixmapRes, pGlxPixmap))) { |
| 2020 | free(pGlxPixmap); |
| 2021 | return BadAlloc; |
| 2022 | } |
| 2023 | |
| 2024 | return Success; |
| 2025 | } |
| 2026 | |
| 2027 | int |
| 2028 | __glXCreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) |
| 2029 | { |
| 2030 | xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; |
| 2031 | |
| 2032 | return (CreateGLXPixmap(cl, req->visual, None, |
| 2033 | req->screen, req->pixmap, req->glxpixmap)); |
| 2034 | } |
| 2035 | |
| 2036 | int |
| 2037 | __glXCreatePixmap(__GLXclientState * cl, GLbyte * pc) |
| 2038 | { |
| 2039 | xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; |
| 2040 | |
| 2041 | return (CreateGLXPixmap(cl, None, req->fbconfig, |
| 2042 | req->screen, req->pixmap, req->glxpixmap)); |
| 2043 | } |
| 2044 | |
| 2045 | int |
| 2046 | __glXDestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) |
| 2047 | { |
| 2048 | ClientPtr client = cl->client; |
| 2049 | xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; |
| 2050 | XID glxpixmap = req->glxpixmap; |
| 2051 | __GLXpixmap *pGlxPixmap; |
| 2052 | int s; |
| 2053 | int from_screen, to_screen; |
| 2054 | |
| 2055 | /* |
| 2056 | ** Check if it's a valid GLX pixmap. |
| 2057 | */ |
| 2058 | dixLookupResourceByType((pointer *) &pGlxPixmap, glxpixmap, |
| 2059 | __glXPixmapRes, NullClient, DixUnknownAccess); |
| 2060 | if (!pGlxPixmap) { |
| 2061 | client->errorValue = glxpixmap; |
| 2062 | return __glXBadPixmap; |
| 2063 | } |
| 2064 | FreeResource(glxpixmap, FALSE); |
| 2065 | |
| 2066 | /* |
| 2067 | * destroy the pixmap on the back-end server(s). |
| 2068 | */ |
| 2069 | from_screen = to_screen = pGlxPixmap->pDraw->pScreen->myNum; |
| 2070 | #ifdef PANORAMIX |
| 2071 | if (!noPanoramiXExtension) { |
| 2072 | from_screen = 0; |
| 2073 | to_screen = screenInfo.numScreens - 1; |
| 2074 | } |
| 2075 | #endif |
| 2076 | |
| 2077 | for (s = from_screen; s <= to_screen; s++) { |
| 2078 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2079 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2080 | |
| 2081 | /* make sure pixmap exist in back-end */ |
| 2082 | dmxSync(dmxScreen, 1); |
| 2083 | |
| 2084 | LockDisplay(dpy); |
| 2085 | GetReq(GLXDestroyGLXPixmap, req); |
| 2086 | req->reqType = dmxScreen->glxMajorOpcode; |
| 2087 | req->glxCode = X_GLXDestroyGLXPixmap; |
| 2088 | req->glxpixmap = (unsigned int) pGlxPixmap->be_xids[s]; |
| 2089 | UnlockDisplay(dpy); |
| 2090 | SyncHandle(); |
| 2091 | } |
| 2092 | |
| 2093 | return Success; |
| 2094 | } |
| 2095 | |
| 2096 | /*****************************************************************************/ |
| 2097 | |
| 2098 | /* |
| 2099 | ** NOTE: There is no portable implementation for swap buffers as of |
| 2100 | ** this time that is of value. Consequently, this code must be |
| 2101 | ** implemented by somebody other than SGI. |
| 2102 | */ |
| 2103 | int |
| 2104 | __glXDoSwapBuffers(__GLXclientState * cl, XID drawId, GLXContextTag tag) |
| 2105 | { |
| 2106 | ClientPtr client = cl->client; |
| 2107 | DrawablePtr pDraw; |
| 2108 | xGLXSwapBuffersReq *be_req; |
| 2109 | WindowPtr pWin = NULL; |
| 2110 | __GLXpixmap *pGlxPixmap = NULL; |
| 2111 | __GLXcontext *glxc = NULL; |
| 2112 | |
| 2113 | #ifdef PANORAMIX |
| 2114 | PanoramiXRes *pXinDraw = NULL; |
| 2115 | #endif |
| 2116 | __glXWindow *pGlxWindow = NULL; |
| 2117 | int from_screen = 0; |
| 2118 | int to_screen = 0; |
| 2119 | int s, rc; |
| 2120 | |
| 2121 | /* |
| 2122 | ** Check that the GLX drawable is valid. |
| 2123 | */ |
| 2124 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); |
| 2125 | if (rc == Success) { |
| 2126 | from_screen = to_screen = pDraw->pScreen->myNum; |
| 2127 | |
| 2128 | if (pDraw->type == DRAWABLE_WINDOW) { |
| 2129 | /* |
| 2130 | ** Drawable is an X window. |
| 2131 | */ |
| 2132 | pWin = (WindowPtr) pDraw; |
| 2133 | } |
| 2134 | else { |
| 2135 | /* |
| 2136 | ** Drawable is an X pixmap, which is not allowed. |
| 2137 | */ |
| 2138 | client->errorValue = drawId; |
| 2139 | return __glXBadDrawable; |
| 2140 | } |
| 2141 | } |
| 2142 | |
| 2143 | if (!pDraw) { |
| 2144 | dixLookupResourceByType((pointer *) &pGlxPixmap, drawId, |
| 2145 | __glXPixmapRes, NullClient, DixUnknownAccess); |
| 2146 | if (pGlxPixmap) { |
| 2147 | /* |
| 2148 | ** Drawable is a GLX pixmap. |
| 2149 | */ |
| 2150 | pDraw = pGlxPixmap->pDraw; |
| 2151 | from_screen = to_screen = pGlxPixmap->pScreen->myNum; |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 2156 | dixLookupResourceByType((pointer *) &pGlxWindow, drawId, |
| 2157 | __glXWindowRes, NullClient, DixUnknownAccess); |
| 2158 | if (pGlxWindow) { |
| 2159 | /* |
| 2160 | ** Drawable is a GLXWindow. |
| 2161 | */ |
| 2162 | pDraw = pGlxWindow->pDraw; |
| 2163 | from_screen = to_screen = pGlxWindow->pScreen->myNum; |
| 2164 | } |
| 2165 | } |
| 2166 | |
| 2167 | if (!pDraw) { |
| 2168 | /* |
| 2169 | ** Drawable is neither a X window nor a GLX pixmap. |
| 2170 | */ |
| 2171 | client->errorValue = drawId; |
| 2172 | return __glXBadDrawable; |
| 2173 | } |
| 2174 | |
| 2175 | if (tag) { |
| 2176 | glxc = __glXLookupContextByTag(cl, tag); |
| 2177 | if (!glxc) { |
| 2178 | return __glXBadContextTag; |
| 2179 | } |
| 2180 | } |
| 2181 | |
| 2182 | #ifdef PANORAMIX |
| 2183 | if (!noPanoramiXExtension) { |
| 2184 | from_screen = 0; |
| 2185 | to_screen = screenInfo.numScreens - 1; |
| 2186 | dixLookupResourceByClass((pointer *) &pXinDraw, |
| 2187 | pDraw->id, XRC_DRAWABLE, |
| 2188 | client, DixReadAccess); |
| 2189 | } |
| 2190 | #endif |
| 2191 | |
| 2192 | /* If requested, send a glFinish to all back-end servers before swapping. */ |
| 2193 | if (dmxGLXFinishSwap) { |
| 2194 | for (s = from_screen; s <= to_screen; s++) { |
| 2195 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2196 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2197 | xGLXSingleReq *finishReq; |
| 2198 | xGLXSingleReply reply; |
| 2199 | |
| 2200 | #define X_GLXSingle 0 /* needed by GetReq below */ |
| 2201 | |
| 2202 | LockDisplay(dpy); |
| 2203 | GetReq(GLXSingle, finishReq); |
| 2204 | finishReq->reqType = dmxScreen->glxMajorOpcode; |
| 2205 | finishReq->glxCode = X_GLsop_Finish; |
| 2206 | finishReq->contextTag = |
| 2207 | (tag ? GetCurrentBackEndTag(cl, tag, s) : 0); |
| 2208 | (void) _XReply(dpy, (xReply *) &reply, 0, False); |
| 2209 | UnlockDisplay(dpy); |
| 2210 | SyncHandle(); |
| 2211 | } |
| 2212 | } |
| 2213 | |
| 2214 | /* If requested, send an XSync to all back-end servers before swapping. */ |
| 2215 | if (dmxGLXSyncSwap) { |
| 2216 | for (s = from_screen; s <= to_screen; s++) |
| 2217 | XSync(GetBackEndDisplay(cl, s), False); |
| 2218 | } |
| 2219 | |
| 2220 | /* send the SwapBuffers request to all back-end servers */ |
| 2221 | |
| 2222 | for (s = from_screen; s <= to_screen; s++) { |
| 2223 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2224 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2225 | unsigned int be_draw = 0; |
| 2226 | |
| 2227 | if (pGlxPixmap) { |
| 2228 | be_draw = (unsigned int) pGlxPixmap->be_xids[s]; |
| 2229 | } |
| 2230 | #ifdef PANORAMIX |
| 2231 | else if (pXinDraw) { |
| 2232 | dixLookupWindow(&pWin, pXinDraw->info[s].id, client, DixReadAccess); |
| 2233 | } |
| 2234 | #endif |
| 2235 | else if (pGlxWindow) { |
| 2236 | pWin = (WindowPtr) pGlxWindow->pDraw; |
| 2237 | } |
| 2238 | |
| 2239 | if (pWin && !be_draw) { |
| 2240 | be_draw = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 2241 | if (!be_draw) { |
| 2242 | /* it might be that the window did not created yet on the */ |
| 2243 | /* back-end server (lazy window creation option), force */ |
| 2244 | /* creation of the window */ |
| 2245 | dmxCreateAndRealizeWindow(pWin, TRUE); |
| 2246 | be_draw = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 2247 | } |
| 2248 | } |
| 2249 | |
| 2250 | dmxSync(dmxScreen, 1); |
| 2251 | |
| 2252 | LockDisplay(dpy); |
| 2253 | GetReq(GLXSwapBuffers, be_req); |
| 2254 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2255 | be_req->glxCode = X_GLXSwapBuffers; |
| 2256 | be_req->drawable = be_draw; |
| 2257 | be_req->contextTag = (tag ? GetCurrentBackEndTag(cl, tag, s) : 0); |
| 2258 | UnlockDisplay(dpy); |
| 2259 | SyncHandle(); |
| 2260 | XFlush(dpy); |
| 2261 | } |
| 2262 | |
| 2263 | return Success; |
| 2264 | } |
| 2265 | |
| 2266 | int |
| 2267 | __glXSwapBuffers(__GLXclientState * cl, GLbyte * pc) |
| 2268 | { |
| 2269 | ClientPtr client = cl->client; |
| 2270 | DrawablePtr pDraw; |
| 2271 | xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; |
| 2272 | GLXContextTag tag = req->contextTag; |
| 2273 | XID drawId = req->drawable; |
| 2274 | __GLXpixmap *pGlxPixmap = NULL; |
| 2275 | __GLXcontext *glxc = NULL; |
| 2276 | __glXWindow *pGlxWindow = NULL; |
| 2277 | int rc; |
| 2278 | |
| 2279 | /* |
| 2280 | ** Check that the GLX drawable is valid. |
| 2281 | */ |
| 2282 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixWriteAccess); |
| 2283 | if (rc == Success) { |
| 2284 | if (pDraw->type != DRAWABLE_WINDOW) { |
| 2285 | /* |
| 2286 | ** Drawable is an X pixmap, which is not allowed. |
| 2287 | */ |
| 2288 | client->errorValue = drawId; |
| 2289 | return __glXBadDrawable; |
| 2290 | } |
| 2291 | } |
| 2292 | |
| 2293 | if (!pDraw) { |
| 2294 | dixLookupResourceByType((pointer *) &pGlxPixmap, drawId, |
| 2295 | __glXPixmapRes, NullClient, DixUnknownAccess); |
| 2296 | if (pGlxPixmap) { |
| 2297 | /* |
| 2298 | ** Drawable is a GLX pixmap. |
| 2299 | */ |
| 2300 | pDraw = pGlxPixmap->pDraw; |
| 2301 | } |
| 2302 | } |
| 2303 | |
| 2304 | if (!pDraw && __GLX_IS_VERSION_SUPPORTED(1, 3)) { |
| 2305 | dixLookupResourceByType((pointer *) &pGlxWindow, drawId, |
| 2306 | __glXWindowRes, NullClient, DixUnknownAccess); |
| 2307 | if (pGlxWindow) { |
| 2308 | /* |
| 2309 | ** Drawable is a GLXWindow. |
| 2310 | */ |
| 2311 | pDraw = pGlxWindow->pDraw; |
| 2312 | } |
| 2313 | } |
| 2314 | |
| 2315 | if (!pDraw) { |
| 2316 | /* |
| 2317 | ** Drawable is neither a X window nor a GLX pixmap. |
| 2318 | */ |
| 2319 | client->errorValue = drawId; |
| 2320 | return __glXBadDrawable; |
| 2321 | } |
| 2322 | |
| 2323 | if (tag) { |
| 2324 | glxc = __glXLookupContextByTag(cl, tag); |
| 2325 | if (!glxc) { |
| 2326 | return __glXBadContextTag; |
| 2327 | } |
| 2328 | } |
| 2329 | |
| 2330 | if (pDraw && |
| 2331 | pDraw->type == DRAWABLE_WINDOW && |
| 2332 | DMX_GET_WINDOW_PRIV((WindowPtr) pDraw)->swapGroup) { |
| 2333 | return SGSwapBuffers(cl, drawId, tag, pDraw); |
| 2334 | } |
| 2335 | |
| 2336 | return __glXDoSwapBuffers(cl, drawId, tag); |
| 2337 | } |
| 2338 | |
| 2339 | /************************************************************************/ |
| 2340 | |
| 2341 | /* |
| 2342 | ** Render and Renderlarge are not in the GLX API. They are used by the GLX |
| 2343 | ** client library to send batches of GL rendering commands. |
| 2344 | */ |
| 2345 | |
| 2346 | /* |
| 2347 | ** Execute all the drawing commands in a request. |
| 2348 | */ |
| 2349 | int |
| 2350 | __glXRender(__GLXclientState * cl, GLbyte * pc) |
| 2351 | { |
| 2352 | xGLXRenderReq *req; |
| 2353 | xGLXRenderReq *be_req; |
| 2354 | int size; |
| 2355 | __GLXcontext *glxc; |
| 2356 | int from_screen = 0; |
| 2357 | int to_screen = 0; |
| 2358 | int s; |
| 2359 | |
| 2360 | /* |
| 2361 | ** NOTE: much of this code also appears in the byteswapping version of this |
| 2362 | ** routine, __glXSwapRender(). Any changes made here should also be |
| 2363 | ** duplicated there. |
| 2364 | */ |
| 2365 | |
| 2366 | req = (xGLXRenderReq *) pc; |
| 2367 | |
| 2368 | glxc = __glXLookupContextByTag(cl, req->contextTag); |
| 2369 | if (!glxc) { |
| 2370 | return 0; |
| 2371 | } |
| 2372 | from_screen = to_screen = glxc->pScreen->myNum; |
| 2373 | |
| 2374 | #ifdef PANORAMIX |
| 2375 | if (!noPanoramiXExtension) { |
| 2376 | from_screen = 0; |
| 2377 | to_screen = screenInfo.numScreens - 1; |
| 2378 | } |
| 2379 | #endif |
| 2380 | |
| 2381 | pc += sz_xGLXRenderReq; |
| 2382 | size = (req->length << 2) - sz_xGLXRenderReq; |
| 2383 | |
| 2384 | /* |
| 2385 | * just forward the request to back-end server(s) |
| 2386 | */ |
| 2387 | for (s = from_screen; s <= to_screen; s++) { |
| 2388 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2389 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2390 | |
| 2391 | LockDisplay(dpy); |
| 2392 | GetReq(GLXRender, be_req); |
| 2393 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2394 | be_req->glxCode = X_GLXRender; |
| 2395 | be_req->length = req->length; |
| 2396 | be_req->contextTag = GetCurrentBackEndTag(cl, req->contextTag, s); |
| 2397 | _XSend(dpy, (const char *) pc, size); |
| 2398 | UnlockDisplay(dpy); |
| 2399 | SyncHandle(); |
| 2400 | } |
| 2401 | |
| 2402 | return Success; |
| 2403 | } |
| 2404 | |
| 2405 | /* |
| 2406 | ** Execute a large rendering request (one that spans multiple X requests). |
| 2407 | */ |
| 2408 | int |
| 2409 | __glXRenderLarge(__GLXclientState * cl, GLbyte * pc) |
| 2410 | { |
| 2411 | xGLXRenderLargeReq *req; |
| 2412 | xGLXRenderLargeReq *be_req; |
| 2413 | __GLXcontext *glxc; |
| 2414 | int from_screen = 0; |
| 2415 | int to_screen = 0; |
| 2416 | int s; |
| 2417 | |
| 2418 | /* |
| 2419 | ** NOTE: much of this code also appears in the byteswapping version of this |
| 2420 | ** routine, __glXSwapRenderLarge(). Any changes made here should also be |
| 2421 | ** duplicated there. |
| 2422 | */ |
| 2423 | |
| 2424 | req = (xGLXRenderLargeReq *) pc; |
| 2425 | glxc = __glXLookupContextByTag(cl, req->contextTag); |
| 2426 | if (!glxc) { |
| 2427 | return 0; |
| 2428 | } |
| 2429 | from_screen = to_screen = glxc->pScreen->myNum; |
| 2430 | |
| 2431 | #ifdef PANORAMIX |
| 2432 | if (!noPanoramiXExtension) { |
| 2433 | from_screen = 0; |
| 2434 | to_screen = screenInfo.numScreens - 1; |
| 2435 | } |
| 2436 | #endif |
| 2437 | |
| 2438 | pc += sz_xGLXRenderLargeReq; |
| 2439 | |
| 2440 | /* |
| 2441 | * just forward the request to back-end server(s) |
| 2442 | */ |
| 2443 | for (s = from_screen; s <= to_screen; s++) { |
| 2444 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2445 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2446 | |
| 2447 | GetReq(GLXRenderLarge, be_req); |
| 2448 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2449 | be_req->glxCode = X_GLXRenderLarge; |
| 2450 | be_req->contextTag = GetCurrentBackEndTag(cl, req->contextTag, s); |
| 2451 | be_req->length = req->length; |
| 2452 | be_req->requestNumber = req->requestNumber; |
| 2453 | be_req->requestTotal = req->requestTotal; |
| 2454 | be_req->dataBytes = req->dataBytes; |
| 2455 | Data(dpy, (const char *) pc, req->dataBytes); |
| 2456 | UnlockDisplay(dpy); |
| 2457 | SyncHandle(); |
| 2458 | |
| 2459 | } |
| 2460 | |
| 2461 | return Success; |
| 2462 | } |
| 2463 | |
| 2464 | /************************************************************************/ |
| 2465 | |
| 2466 | int |
| 2467 | __glXVendorPrivate(__GLXclientState * cl, GLbyte * pc) |
| 2468 | { |
| 2469 | xGLXVendorPrivateReq *req; |
| 2470 | |
| 2471 | req = (xGLXVendorPrivateReq *) pc; |
| 2472 | |
| 2473 | switch (req->vendorCode) { |
| 2474 | |
| 2475 | case X_GLvop_DeleteTexturesEXT: |
| 2476 | return __glXVForwardSingleReq(cl, pc); |
| 2477 | break; |
| 2478 | |
| 2479 | case X_GLXvop_SwapIntervalSGI: |
| 2480 | if (glxIsExtensionSupported("SGI_swap_control")) { |
| 2481 | return __glXVForwardSingleReq(cl, pc); |
| 2482 | } |
| 2483 | else { |
| 2484 | return Success; |
| 2485 | } |
| 2486 | break; |
| 2487 | |
| 2488 | #if 0 /* glx 1.3 */ |
| 2489 | case X_GLXvop_CreateGLXVideoSourceSGIX: |
| 2490 | break; |
| 2491 | case X_GLXvop_DestroyGLXVideoSourceSGIX: |
| 2492 | break; |
| 2493 | case X_GLXvop_CreateGLXPixmapWithConfigSGIX: |
| 2494 | break; |
| 2495 | case X_GLXvop_DestroyGLXPbufferSGIX: |
| 2496 | break; |
| 2497 | case X_GLXvop_ChangeDrawableAttributesSGIX: |
| 2498 | break; |
| 2499 | #endif |
| 2500 | |
| 2501 | case X_GLXvop_BindSwapBarrierSGIX: |
| 2502 | return __glXBindSwapBarrierSGIX(cl, pc); |
| 2503 | break; |
| 2504 | |
| 2505 | case X_GLXvop_JoinSwapGroupSGIX: |
| 2506 | return __glXJoinSwapGroupSGIX(cl, pc); |
| 2507 | break; |
| 2508 | |
| 2509 | case X_GLXvop_CreateContextWithConfigSGIX: |
| 2510 | return __glXCreateContextWithConfigSGIX(cl, pc); |
| 2511 | break; |
| 2512 | |
| 2513 | default: |
| 2514 | /* |
| 2515 | ** unsupported private request |
| 2516 | */ |
| 2517 | cl->client->errorValue = req->vendorCode; |
| 2518 | return __glXUnsupportedPrivateRequest; |
| 2519 | } |
| 2520 | |
| 2521 | cl->client->errorValue = req->vendorCode; |
| 2522 | return __glXUnsupportedPrivateRequest; |
| 2523 | |
| 2524 | } |
| 2525 | |
| 2526 | int |
| 2527 | __glXVendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) |
| 2528 | { |
| 2529 | xGLXVendorPrivateWithReplyReq *req; |
| 2530 | |
| 2531 | req = (xGLXVendorPrivateWithReplyReq *) pc; |
| 2532 | |
| 2533 | switch (req->vendorCode) { |
| 2534 | |
| 2535 | case X_GLvop_GetConvolutionFilterEXT: |
| 2536 | case X_GLvop_GetConvolutionParameterfvEXT: |
| 2537 | case X_GLvop_GetConvolutionParameterivEXT: |
| 2538 | case X_GLvop_GetSeparableFilterEXT: |
| 2539 | case X_GLvop_GetHistogramEXT: |
| 2540 | case X_GLvop_GetHistogramParameterivEXT: |
| 2541 | case X_GLvop_GetMinmaxEXT: |
| 2542 | case X_GLvop_GetMinmaxParameterfvEXT: |
| 2543 | case X_GLvop_GetMinmaxParameterivEXT: |
| 2544 | case X_GLvop_AreTexturesResidentEXT: |
| 2545 | case X_GLvop_IsTextureEXT: |
| 2546 | return (__glXVForwardPipe0WithReply(cl, pc)); |
| 2547 | break; |
| 2548 | |
| 2549 | case X_GLvop_GenTexturesEXT: |
| 2550 | return (__glXVForwardAllWithReply(cl, pc)); |
| 2551 | break; |
| 2552 | |
| 2553 | #if 0 /* glx1.3 */ |
| 2554 | case X_GLvop_GetDetailTexFuncSGIS: |
| 2555 | case X_GLvop_GetSharpenTexFuncSGIS: |
| 2556 | case X_GLvop_GetColorTableSGI: |
| 2557 | case X_GLvop_GetColorTableParameterfvSGI: |
| 2558 | case X_GLvop_GetColorTableParameterivSGI: |
| 2559 | case X_GLvop_GetTexFilterFuncSGIS: |
| 2560 | case X_GLvop_GetInstrumentsSGIX: |
| 2561 | case X_GLvop_InstrumentsBufferSGIX: |
| 2562 | case X_GLvop_PollInstrumentsSGIX: |
| 2563 | case X_GLvop_FlushRasterSGIX: |
| 2564 | case X_GLXvop_CreateGLXPbufferSGIX: |
| 2565 | case X_GLXvop_GetDrawableAttributesSGIX: |
| 2566 | case X_GLXvop_QueryHyperpipeNetworkSGIX: |
| 2567 | case X_GLXvop_QueryHyperpipeConfigSGIX: |
| 2568 | case X_GLXvop_HyperpipeConfigSGIX: |
| 2569 | case X_GLXvop_DestroyHyperpipeConfigSGIX: |
| 2570 | #endif |
| 2571 | case X_GLXvop_QueryMaxSwapBarriersSGIX: |
| 2572 | return (__glXQueryMaxSwapBarriersSGIX(cl, pc)); |
| 2573 | break; |
| 2574 | |
| 2575 | case X_GLXvop_GetFBConfigsSGIX: |
| 2576 | return (__glXGetFBConfigsSGIX(cl, pc)); |
| 2577 | break; |
| 2578 | |
| 2579 | case X_GLXvop_MakeCurrentReadSGI: |
| 2580 | return (__glXMakeCurrentReadSGI(cl, pc)); |
| 2581 | break; |
| 2582 | |
| 2583 | case X_GLXvop_QueryContextInfoEXT: |
| 2584 | return (__glXQueryContextInfoEXT(cl, pc)); |
| 2585 | break; |
| 2586 | |
| 2587 | default: |
| 2588 | /* |
| 2589 | ** unsupported private request |
| 2590 | */ |
| 2591 | cl->client->errorValue = req->vendorCode; |
| 2592 | return __glXUnsupportedPrivateRequest; |
| 2593 | } |
| 2594 | |
| 2595 | } |
| 2596 | |
| 2597 | int |
| 2598 | __glXQueryExtensionsString(__GLXclientState * cl, GLbyte * pc) |
| 2599 | { |
| 2600 | ClientPtr client = cl->client; |
| 2601 | xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; |
| 2602 | xGLXQueryExtensionsStringReply reply; |
| 2603 | GLint screen; |
| 2604 | size_t length; |
| 2605 | int len, numbytes; |
| 2606 | char *be_buf; |
| 2607 | |
| 2608 | #ifdef FWD_QUERY_REQ |
| 2609 | xGLXQueryExtensionsStringReq *be_req; |
| 2610 | xGLXQueryExtensionsStringReply be_reply; |
| 2611 | DMXScreenInfo *dmxScreen; |
| 2612 | Display *dpy; |
| 2613 | #endif |
| 2614 | |
| 2615 | screen = req->screen; |
| 2616 | |
| 2617 | /* |
| 2618 | ** Check if screen exists. |
| 2619 | */ |
| 2620 | if ((screen < 0) || (screen >= screenInfo.numScreens)) { |
| 2621 | client->errorValue = screen; |
| 2622 | return BadValue; |
| 2623 | } |
| 2624 | |
| 2625 | #ifdef FWD_QUERY_REQ |
| 2626 | dmxScreen = &dmxScreens[screen]; |
| 2627 | |
| 2628 | /* Send the glXQueryServerString request */ |
| 2629 | dpy = GetBackEndDisplay(cl, screen); |
| 2630 | LockDisplay(dpy); |
| 2631 | GetReq(GLXQueryExtensionsString, be_req); |
| 2632 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2633 | be_req->glxCode = X_GLXQueryServerString; |
| 2634 | be_req->screen = DefaultScreen(dpy); |
| 2635 | _XReply(dpy, (xReply *) &be_reply, 0, False); |
| 2636 | len = (int) be_reply.length; |
| 2637 | numbytes = (int) be_reply.n; |
| 2638 | be_buf = (char *) malloc(numbytes); |
| 2639 | if (!be_buf) { |
| 2640 | /* Throw data on the floor */ |
| 2641 | _XEatDataWords(dpy, len); |
| 2642 | } |
| 2643 | else { |
| 2644 | _XReadPad(dpy, (char *) be_buf, numbytes); |
| 2645 | } |
| 2646 | UnlockDisplay(dpy); |
| 2647 | SyncHandle(); |
| 2648 | |
| 2649 | #else |
| 2650 | |
| 2651 | be_buf = __glXGetServerString(GLX_EXTENSIONS); |
| 2652 | numbytes = strlen(be_buf) + 1; |
| 2653 | len = __GLX_PAD(numbytes) >> 2; |
| 2654 | |
| 2655 | #endif |
| 2656 | |
| 2657 | length = len; |
| 2658 | reply = (xGLXQueryExtensionsStringReply) { |
| 2659 | .type = X_Reply, |
| 2660 | .sequenceNumber = client->sequence, |
| 2661 | .length = len, |
| 2662 | .n = numbytes |
| 2663 | }; |
| 2664 | |
| 2665 | if (client->swapped) { |
| 2666 | glxSwapQueryExtensionsStringReply(client, &reply, be_buf); |
| 2667 | } |
| 2668 | else { |
| 2669 | WriteToClient(client, sz_xGLXQueryExtensionsStringReply, &reply); |
| 2670 | WriteToClient(client, (int) (length << 2), be_buf); |
| 2671 | } |
| 2672 | |
| 2673 | return Success; |
| 2674 | } |
| 2675 | |
| 2676 | int |
| 2677 | __glXQueryServerString(__GLXclientState * cl, GLbyte * pc) |
| 2678 | { |
| 2679 | ClientPtr client = cl->client; |
| 2680 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; |
| 2681 | xGLXQueryServerStringReply reply; |
| 2682 | int name; |
| 2683 | GLint screen; |
| 2684 | size_t length; |
| 2685 | int len, numbytes; |
| 2686 | char *be_buf; |
| 2687 | |
| 2688 | #ifdef FWD_QUERY_REQ |
| 2689 | xGLXQueryServerStringReq *be_req; |
| 2690 | xGLXQueryServerStringReply be_reply; |
| 2691 | DMXScreenInfo *dmxScreen; |
| 2692 | Display *dpy; |
| 2693 | #endif |
| 2694 | |
| 2695 | name = req->name; |
| 2696 | screen = req->screen; |
| 2697 | /* |
| 2698 | ** Check if screen exists. |
| 2699 | */ |
| 2700 | if ((screen < 0) || (screen >= screenInfo.numScreens)) { |
| 2701 | client->errorValue = screen; |
| 2702 | return BadValue; |
| 2703 | } |
| 2704 | |
| 2705 | #ifdef FWD_QUERY_REQ |
| 2706 | dmxScreen = &dmxScreens[screen]; |
| 2707 | |
| 2708 | /* Send the glXQueryServerString request */ |
| 2709 | dpy = GetBackEndDisplay(cl, screen); |
| 2710 | LockDisplay(dpy); |
| 2711 | GetReq(GLXQueryServerString, be_req); |
| 2712 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2713 | be_req->glxCode = X_GLXQueryServerString; |
| 2714 | be_req->screen = DefaultScreen(dpy); |
| 2715 | be_req->name = name; |
| 2716 | _XReply(dpy, (xReply *) &be_reply, 0, False); |
| 2717 | len = (int) be_reply.length; |
| 2718 | numbytes = (int) be_reply.n; |
| 2719 | be_buf = (char *) malloc(numbytes); |
| 2720 | if (!be_buf) { |
| 2721 | /* Throw data on the floor */ |
| 2722 | _XEatDataWords(dpy, len); |
| 2723 | } |
| 2724 | else { |
| 2725 | _XReadPad(dpy, (char *) be_buf, numbytes); |
| 2726 | } |
| 2727 | UnlockDisplay(dpy); |
| 2728 | SyncHandle(); |
| 2729 | |
| 2730 | #else |
| 2731 | be_buf = __glXGetServerString(name); |
| 2732 | numbytes = strlen(be_buf) + 1; |
| 2733 | len = __GLX_PAD(numbytes) >> 2; |
| 2734 | #endif |
| 2735 | |
| 2736 | length = len; |
| 2737 | reply = (xGLXQueryServerStringReply) { |
| 2738 | .type = X_Reply, |
| 2739 | .sequenceNumber = client->sequence, |
| 2740 | .length = length, |
| 2741 | .n = numbytes |
| 2742 | }; |
| 2743 | |
| 2744 | if (client->swapped) { |
| 2745 | glxSwapQueryServerStringReply(client, &reply, be_buf); |
| 2746 | } |
| 2747 | else { |
| 2748 | WriteToClient(client, sz_xGLXQueryServerStringReply, &reply); |
| 2749 | WriteToClient(client, (int) (length << 2), be_buf); |
| 2750 | } |
| 2751 | |
| 2752 | return Success; |
| 2753 | } |
| 2754 | |
| 2755 | int |
| 2756 | __glXClientInfo(__GLXclientState * cl, GLbyte * pc) |
| 2757 | { |
| 2758 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; |
| 2759 | xGLXClientInfoReq *be_req; |
| 2760 | const char *buf; |
| 2761 | int from_screen = 0; |
| 2762 | int to_screen = 0; |
| 2763 | int s; |
| 2764 | |
| 2765 | free(cl->GLClientextensions); |
| 2766 | buf = (const char *) (req + 1); |
| 2767 | cl->GLClientextensions = strdup(buf); |
| 2768 | |
| 2769 | to_screen = screenInfo.numScreens - 1; |
| 2770 | |
| 2771 | for (s = from_screen; s <= to_screen; s++) { |
| 2772 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 2773 | Display *dpy = GetBackEndDisplay(cl, s); |
| 2774 | |
| 2775 | LockDisplay(dpy); |
| 2776 | GetReq(GLXClientInfo, be_req); |
| 2777 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2778 | be_req->glxCode = X_GLXClientInfo; |
| 2779 | be_req->major = req->major; |
| 2780 | be_req->minor = req->minor; |
| 2781 | be_req->length = req->length; |
| 2782 | be_req->numbytes = req->numbytes; |
| 2783 | Data(dpy, buf, req->numbytes); |
| 2784 | |
| 2785 | UnlockDisplay(dpy); |
| 2786 | SyncHandle(); |
| 2787 | } |
| 2788 | |
| 2789 | return Success; |
| 2790 | } |
| 2791 | |
| 2792 | int |
| 2793 | __glXUseXFont(__GLXclientState * cl, GLbyte * pc) |
| 2794 | { |
| 2795 | ClientPtr client = cl->client; |
| 2796 | xGLXUseXFontReq *req; |
| 2797 | xGLXUseXFontReq *be_req; |
| 2798 | FontPtr pFont; |
| 2799 | __GLXcontext *glxc = NULL; |
| 2800 | int from_screen = 0; |
| 2801 | int to_screen = 0; |
| 2802 | int s; |
| 2803 | dmxFontPrivPtr pFontPriv; |
| 2804 | DMXScreenInfo *dmxScreen; |
| 2805 | Display *dpy; |
| 2806 | |
| 2807 | req = (xGLXUseXFontReq *) pc; |
| 2808 | |
| 2809 | if (req->contextTag != 0) { |
| 2810 | glxc = __glXLookupContextByTag(cl, req->contextTag); |
| 2811 | if (glxc) { |
| 2812 | from_screen = to_screen = glxc->pScreen->myNum; |
| 2813 | } |
| 2814 | } |
| 2815 | |
| 2816 | /* |
| 2817 | ** Font can actually be either the ID of a font or the ID of a GC |
| 2818 | ** containing a font. |
| 2819 | */ |
| 2820 | dixLookupResourceByType((pointer *) &pFont, req->font, RT_FONT, |
| 2821 | NullClient, DixUnknownAccess); |
| 2822 | if (!pFont) { |
| 2823 | GC *pGC; |
| 2824 | |
| 2825 | dixLookupResourceByType((pointer *) &pGC, req->font, |
| 2826 | RT_GC, NullClient, DixUnknownAccess); |
| 2827 | if (!pGC) { |
| 2828 | client->errorValue = req->font; |
| 2829 | return BadFont; |
| 2830 | } |
| 2831 | pFont = pGC->font; |
| 2832 | } |
| 2833 | |
| 2834 | pFontPriv = FontGetPrivate(pFont, dmxFontPrivateIndex); |
| 2835 | |
| 2836 | #ifdef PANORAMIX |
| 2837 | if (!noPanoramiXExtension) { |
| 2838 | from_screen = 0; |
| 2839 | to_screen = screenInfo.numScreens - 1; |
| 2840 | } |
| 2841 | #endif |
| 2842 | |
| 2843 | for (s = from_screen; s <= to_screen; s++) { |
| 2844 | dmxScreen = &dmxScreens[s]; |
| 2845 | dpy = GetBackEndDisplay(cl, s); |
| 2846 | |
| 2847 | dmxSync(dmxScreen, 1); |
| 2848 | |
| 2849 | LockDisplay(dpy); |
| 2850 | GetReq(GLXUseXFont, be_req); |
| 2851 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 2852 | be_req->glxCode = X_GLXUseXFont; |
| 2853 | be_req->contextTag = |
| 2854 | (glxc ? GetCurrentBackEndTag(cl, req->contextTag, s) : 0); |
| 2855 | be_req->font = pFontPriv->font[s]->fid; |
| 2856 | be_req->first = req->first; |
| 2857 | be_req->count = req->count; |
| 2858 | be_req->listBase = req->listBase; |
| 2859 | UnlockDisplay(dpy); |
| 2860 | SyncHandle(); |
| 2861 | |
| 2862 | XSync(dpy, False); |
| 2863 | } |
| 2864 | |
| 2865 | return Success; |
| 2866 | } |
| 2867 | |
| 2868 | /* |
| 2869 | * start GLX 1.3 here |
| 2870 | */ |
| 2871 | |
| 2872 | int |
| 2873 | __glXGetFBConfigs(__GLXclientState * cl, GLbyte * pc) |
| 2874 | { |
| 2875 | ClientPtr client = cl->client; |
| 2876 | xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; |
| 2877 | xGLXGetFBConfigsReply reply; |
| 2878 | __GLXFBConfig *pFBConfig; |
| 2879 | CARD32 buf[2 * __GLX_TOTAL_FBCONFIG_PROPS]; |
| 2880 | int numAttribs = __GLX_TOTAL_FBCONFIG_PROPS; |
| 2881 | unsigned int screen = req->screen; |
| 2882 | int numFBConfigs, i, p; |
| 2883 | __GLXscreenInfo *pGlxScreen; |
| 2884 | |
| 2885 | if (screen >= screenInfo.numScreens) { |
| 2886 | /* The client library must send a valid screen number. */ |
| 2887 | client->errorValue = screen; |
| 2888 | return BadValue; |
| 2889 | } |
| 2890 | |
| 2891 | pGlxScreen = &__glXActiveScreens[screen]; |
| 2892 | numFBConfigs = __glXNumFBConfigs; |
| 2893 | |
| 2894 | reply = (xGLXGetFBConfigsReply) { |
| 2895 | .type = X_Reply, |
| 2896 | .sequenceNumber = client->sequence, |
| 2897 | .length = (numFBConfigs * 2 * numAttribs * __GLX_SIZE_CARD32) >> 2, |
| 2898 | .numFBConfigs = numFBConfigs, |
| 2899 | .numAttribs = numAttribs |
| 2900 | }; |
| 2901 | |
| 2902 | if (client->swapped) { |
| 2903 | __GLX_DECLARE_SWAP_VARIABLES; |
| 2904 | __GLX_SWAP_SHORT(&reply.sequenceNumber); |
| 2905 | __GLX_SWAP_INT(&reply.length); |
| 2906 | __GLX_SWAP_INT(&reply.numFBConfigs); |
| 2907 | __GLX_SWAP_INT(&reply.numAttribs); |
| 2908 | } |
| 2909 | WriteToClient(client, sz_xGLXGetFBConfigsReply, &reply); |
| 2910 | |
| 2911 | for (i = 0; i < numFBConfigs; i++) { |
| 2912 | int associatedVisualId = 0; |
| 2913 | int drawableTypeIndex; |
| 2914 | |
| 2915 | pFBConfig = __glXFBConfigs[i * (screenInfo.numScreens + 1)]; |
| 2916 | |
| 2917 | p = 0; |
| 2918 | /* core attributes */ |
| 2919 | buf[p++] = GLX_FBCONFIG_ID; |
| 2920 | buf[p++] = pFBConfig->id; |
| 2921 | buf[p++] = GLX_BUFFER_SIZE; |
| 2922 | buf[p++] = pFBConfig->indexBits; |
| 2923 | buf[p++] = GLX_LEVEL; |
| 2924 | buf[p++] = pFBConfig->level; |
| 2925 | buf[p++] = GLX_DOUBLEBUFFER; |
| 2926 | buf[p++] = pFBConfig->doubleBufferMode; |
| 2927 | buf[p++] = GLX_STEREO; |
| 2928 | buf[p++] = pFBConfig->stereoMode; |
| 2929 | buf[p++] = GLX_AUX_BUFFERS; |
| 2930 | buf[p++] = pFBConfig->maxAuxBuffers; |
| 2931 | buf[p++] = GLX_RED_SIZE; |
| 2932 | buf[p++] = pFBConfig->redBits; |
| 2933 | buf[p++] = GLX_GREEN_SIZE; |
| 2934 | buf[p++] = pFBConfig->greenBits; |
| 2935 | buf[p++] = GLX_BLUE_SIZE; |
| 2936 | buf[p++] = pFBConfig->blueBits; |
| 2937 | buf[p++] = GLX_ALPHA_SIZE; |
| 2938 | buf[p++] = pFBConfig->alphaBits; |
| 2939 | buf[p++] = GLX_DEPTH_SIZE; |
| 2940 | buf[p++] = pFBConfig->depthBits; |
| 2941 | buf[p++] = GLX_STENCIL_SIZE; |
| 2942 | buf[p++] = pFBConfig->stencilBits; |
| 2943 | buf[p++] = GLX_ACCUM_RED_SIZE; |
| 2944 | buf[p++] = pFBConfig->accumRedBits; |
| 2945 | buf[p++] = GLX_ACCUM_GREEN_SIZE; |
| 2946 | buf[p++] = pFBConfig->accumGreenBits; |
| 2947 | buf[p++] = GLX_ACCUM_BLUE_SIZE; |
| 2948 | buf[p++] = pFBConfig->accumBlueBits; |
| 2949 | buf[p++] = GLX_ACCUM_ALPHA_SIZE; |
| 2950 | buf[p++] = pFBConfig->accumAlphaBits; |
| 2951 | buf[p++] = GLX_RENDER_TYPE; |
| 2952 | buf[p++] = pFBConfig->renderType; |
| 2953 | buf[p++] = GLX_DRAWABLE_TYPE; |
| 2954 | drawableTypeIndex = p; |
| 2955 | buf[p++] = pFBConfig->drawableType; |
| 2956 | buf[p++] = GLX_X_VISUAL_TYPE; |
| 2957 | buf[p++] = pFBConfig->visualType; |
| 2958 | buf[p++] = GLX_CONFIG_CAVEAT; |
| 2959 | buf[p++] = pFBConfig->visualCaveat; |
| 2960 | buf[p++] = GLX_TRANSPARENT_TYPE; |
| 2961 | buf[p++] = pFBConfig->transparentType; |
| 2962 | buf[p++] = GLX_TRANSPARENT_RED_VALUE; |
| 2963 | buf[p++] = pFBConfig->transparentRed; |
| 2964 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE; |
| 2965 | buf[p++] = pFBConfig->transparentGreen; |
| 2966 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE; |
| 2967 | buf[p++] = pFBConfig->transparentBlue; |
| 2968 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE; |
| 2969 | buf[p++] = pFBConfig->transparentAlpha; |
| 2970 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE; |
| 2971 | buf[p++] = pFBConfig->transparentIndex; |
| 2972 | buf[p++] = GLX_MAX_PBUFFER_WIDTH; |
| 2973 | buf[p++] = pFBConfig->maxPbufferWidth; |
| 2974 | buf[p++] = GLX_MAX_PBUFFER_HEIGHT; |
| 2975 | buf[p++] = pFBConfig->maxPbufferHeight; |
| 2976 | buf[p++] = GLX_MAX_PBUFFER_PIXELS; |
| 2977 | buf[p++] = pFBConfig->maxPbufferPixels; |
| 2978 | |
| 2979 | /* |
| 2980 | * find the visual of the back-end server and match a visual |
| 2981 | * on the proxy. |
| 2982 | * do only once - if a visual is not yet associated. |
| 2983 | */ |
| 2984 | if (pFBConfig->associatedVisualId == (unsigned int) -1) { |
| 2985 | DMXScreenInfo *dmxScreen = &dmxScreens[screen]; |
| 2986 | __GLXFBConfig *be_pFBConfig = |
| 2987 | __glXFBConfigs[i * (screenInfo.numScreens + 1) + screen + 1]; |
| 2988 | __GLXvisualConfig *pGlxVisual = NULL; |
| 2989 | int v; |
| 2990 | int found = 0; |
| 2991 | |
| 2992 | for (v = 0; v < dmxScreen->numGlxVisuals; v++) { |
| 2993 | if (dmxScreen->glxVisuals[v].vid == |
| 2994 | be_pFBConfig->associatedVisualId) { |
| 2995 | pGlxVisual = &dmxScreen->glxVisuals[v]; |
| 2996 | break; |
| 2997 | } |
| 2998 | } |
| 2999 | |
| 3000 | if (pGlxVisual) { |
| 3001 | for (v = 0; v < pGlxScreen->numVisuals; v++) { |
| 3002 | if (glxVisualsMatch(&pGlxScreen->pGlxVisual[v], pGlxVisual)) { |
| 3003 | associatedVisualId = pGlxScreen->pGlxVisual[v].vid; |
| 3004 | found = 1; |
| 3005 | break; |
| 3006 | } |
| 3007 | } |
| 3008 | } |
| 3009 | |
| 3010 | if (!found) { |
| 3011 | associatedVisualId = 0; |
| 3012 | pFBConfig->drawableType &= ~(GLX_WINDOW_BIT); |
| 3013 | buf[drawableTypeIndex] = pFBConfig->drawableType; |
| 3014 | } |
| 3015 | #ifdef PANORAMIX |
| 3016 | else if (!noPanoramiXExtension) { |
| 3017 | /* convert the associated visualId to the panoramix one */ |
| 3018 | pFBConfig->associatedVisualId = |
| 3019 | PanoramiXTranslateVisualID(screen, v); |
| 3020 | } |
| 3021 | #endif |
| 3022 | } |
| 3023 | else { |
| 3024 | associatedVisualId = pFBConfig->associatedVisualId; |
| 3025 | } |
| 3026 | |
| 3027 | buf[p++] = GLX_VISUAL_ID; |
| 3028 | buf[p++] = associatedVisualId; |
| 3029 | |
| 3030 | /* SGIS_multisample attributes */ |
| 3031 | buf[p++] = GLX_SAMPLES_SGIS; |
| 3032 | buf[p++] = pFBConfig->multiSampleSize; |
| 3033 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS; |
| 3034 | buf[p++] = pFBConfig->nMultiSampleBuffers; |
| 3035 | |
| 3036 | /* SGIX_pbuffer specific attributes */ |
| 3037 | buf[p++] = GLX_OPTIMAL_PBUFFER_WIDTH_SGIX; |
| 3038 | buf[p++] = pFBConfig->optimalPbufferWidth; |
| 3039 | buf[p++] = GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX; |
| 3040 | buf[p++] = pFBConfig->optimalPbufferHeight; |
| 3041 | |
| 3042 | buf[p++] = GLX_VISUAL_SELECT_GROUP_SGIX; |
| 3043 | buf[p++] = pFBConfig->visualSelectGroup; |
| 3044 | |
| 3045 | if (client->swapped) { |
| 3046 | __GLX_DECLARE_SWAP_VARIABLES; |
| 3047 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 3048 | __GLX_SWAP_INT_ARRAY((int *) buf, 2 * numAttribs); |
| 3049 | } |
| 3050 | WriteToClient(client, 2 * numAttribs * __GLX_SIZE_CARD32, buf); |
| 3051 | } |
| 3052 | return Success; |
| 3053 | } |
| 3054 | |
| 3055 | int |
| 3056 | __glXGetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) |
| 3057 | { |
| 3058 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; |
| 3059 | xGLXGetFBConfigsReq new_req; |
| 3060 | |
| 3061 | new_req.reqType = req->reqType; |
| 3062 | new_req.glxCode = req->glxCode; |
| 3063 | new_req.length = req->length; |
| 3064 | new_req.screen = req->screen; |
| 3065 | |
| 3066 | return (__glXGetFBConfigs(cl, (GLbyte *) &new_req)); |
| 3067 | } |
| 3068 | |
| 3069 | int |
| 3070 | __glXCreateWindow(__GLXclientState * cl, GLbyte * pc) |
| 3071 | { |
| 3072 | ClientPtr client = cl->client; |
| 3073 | xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; |
| 3074 | int screen = req->screen; |
| 3075 | GLXFBConfigID fbconfigId = req->fbconfig; |
| 3076 | XID windowId = req->window; |
| 3077 | XID glxwindowId = req->glxwindow; |
| 3078 | DrawablePtr pDraw; |
| 3079 | ScreenPtr pScreen; |
| 3080 | __glXWindow *pGlxWindow; |
| 3081 | __GLXFBConfig *pGlxFBConfig = NULL; |
| 3082 | VisualPtr pVisual; |
| 3083 | VisualID visId; |
| 3084 | int i, rc; |
| 3085 | pointer val; |
| 3086 | |
| 3087 | /* |
| 3088 | ** Check if windowId is valid |
| 3089 | */ |
| 3090 | rc = dixLookupDrawable(&pDraw, windowId, client, M_DRAWABLE_WINDOW, |
| 3091 | DixAddAccess); |
| 3092 | if (rc != Success) |
| 3093 | return rc; |
| 3094 | |
| 3095 | /* |
| 3096 | ** Check if screen of window matches screen of fbconfig. |
| 3097 | */ |
| 3098 | pScreen = pDraw->pScreen; |
| 3099 | if (screen != pScreen->myNum) { |
| 3100 | return BadMatch; |
| 3101 | } |
| 3102 | |
| 3103 | /* |
| 3104 | ** Find the FBConfigRec for this fbconfigid. |
| 3105 | */ |
| 3106 | if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) { |
| 3107 | client->errorValue = fbconfigId; |
| 3108 | return __glXBadFBConfig; |
| 3109 | } |
| 3110 | visId = pGlxFBConfig->associatedVisualId; |
| 3111 | |
| 3112 | /* |
| 3113 | ** Check if the fbconfig supports rendering to windows |
| 3114 | */ |
| 3115 | if (!(pGlxFBConfig->drawableType & GLX_WINDOW_BIT)) { |
| 3116 | return BadMatch; |
| 3117 | } |
| 3118 | |
| 3119 | if (visId != None) { |
| 3120 | /* |
| 3121 | ** Check if the visual ID is valid for this screen. |
| 3122 | */ |
| 3123 | pVisual = pScreen->visuals; |
| 3124 | for (i = 0; i < pScreen->numVisuals; i++, pVisual++) { |
| 3125 | if (pVisual->vid == visId) { |
| 3126 | break; |
| 3127 | } |
| 3128 | } |
| 3129 | if (i == pScreen->numVisuals) { |
| 3130 | client->errorValue = visId; |
| 3131 | return BadValue; |
| 3132 | } |
| 3133 | |
| 3134 | /* |
| 3135 | ** Check if color buffer depth of fbconfig matches depth |
| 3136 | ** of window. |
| 3137 | */ |
| 3138 | if (pVisual->nplanes != pDraw->depth) { |
| 3139 | return BadMatch; |
| 3140 | } |
| 3141 | } |
| 3142 | else |
| 3143 | /* |
| 3144 | ** The window was created with no visual that corresponds |
| 3145 | ** to fbconfig |
| 3146 | */ |
| 3147 | return BadMatch; |
| 3148 | |
| 3149 | /* |
| 3150 | ** Check if there is already a fbconfig associated with this window |
| 3151 | */ |
| 3152 | if (Success == dixLookupResourceByType(&val, |
| 3153 | glxwindowId, __glXWindowRes, |
| 3154 | NullClient, DixUnknownAccess)) { |
| 3155 | client->errorValue = glxwindowId; |
| 3156 | return BadAlloc; |
| 3157 | } |
| 3158 | |
| 3159 | pGlxWindow = (__glXWindow *) malloc(sizeof(__glXWindow)); |
| 3160 | if (!pGlxWindow) { |
| 3161 | return BadAlloc; |
| 3162 | } |
| 3163 | |
| 3164 | /* |
| 3165 | ** Register this GLX window as a resource |
| 3166 | */ |
| 3167 | if (!(AddResource(glxwindowId, __glXWindowRes, pGlxWindow))) { |
| 3168 | return BadAlloc; |
| 3169 | } |
| 3170 | |
| 3171 | pGlxWindow->pDraw = pDraw; |
| 3172 | pGlxWindow->type = GLX_GLXWINDOW_TYPE; |
| 3173 | pGlxWindow->idExists = True; |
| 3174 | pGlxWindow->refcnt = 0; |
| 3175 | pGlxWindow->pGlxFBConfig = pGlxFBConfig; |
| 3176 | pGlxWindow->pScreen = pScreen; |
| 3177 | |
| 3178 | return Success; |
| 3179 | } |
| 3180 | |
| 3181 | int |
| 3182 | __glXDestroyWindow(__GLXclientState * cl, GLbyte * pc) |
| 3183 | { |
| 3184 | ClientPtr client = cl->client; |
| 3185 | xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; |
| 3186 | XID glxwindow = req->glxwindow; |
| 3187 | pointer val; |
| 3188 | |
| 3189 | /* |
| 3190 | ** Check if it's a valid GLX window. |
| 3191 | */ |
| 3192 | if (Success != dixLookupResourceByType(&val, |
| 3193 | glxwindow, __glXWindowRes, |
| 3194 | NullClient, DixUnknownAccess)) { |
| 3195 | client->errorValue = glxwindow; |
| 3196 | return __glXBadDrawable; |
| 3197 | } |
| 3198 | /* |
| 3199 | ** The glx window destructor will check whether it's current before |
| 3200 | ** freeing anything. |
| 3201 | */ |
| 3202 | FreeResource(glxwindow, RT_NONE); |
| 3203 | |
| 3204 | return Success; |
| 3205 | } |
| 3206 | |
| 3207 | int |
| 3208 | __glXQueryContext(__GLXclientState * cl, GLbyte * pc) |
| 3209 | { |
| 3210 | ClientPtr client = cl->client; |
| 3211 | __GLXcontext *ctx; |
| 3212 | xGLXQueryContextReq *req; |
| 3213 | xGLXQueryContextReply reply; |
| 3214 | int nProps; |
| 3215 | int *sendBuf, *pSendBuf; |
| 3216 | int nReplyBytes; |
| 3217 | |
| 3218 | req = (xGLXQueryContextReq *) pc; |
| 3219 | dixLookupResourceByType((pointer *) &ctx, req->context, __glXContextRes, |
| 3220 | NullClient, DixUnknownAccess); |
| 3221 | if (!ctx) { |
| 3222 | client->errorValue = req->context; |
| 3223 | return __glXBadContext; |
| 3224 | } |
| 3225 | |
| 3226 | nProps = 3; |
| 3227 | |
| 3228 | reply = (xGLXQueryContextReply) { |
| 3229 | .type = X_Reply, |
| 3230 | .sequenceNumber = client->sequence, |
| 3231 | .length = nProps << 1, |
| 3232 | .n = nProps |
| 3233 | }; |
| 3234 | |
| 3235 | nReplyBytes = reply.length << 2; |
| 3236 | sendBuf = (int *) malloc(nReplyBytes); |
| 3237 | pSendBuf = sendBuf; |
| 3238 | *pSendBuf++ = GLX_FBCONFIG_ID; |
| 3239 | *pSendBuf++ = (int) (ctx->pFBConfig->id); |
| 3240 | *pSendBuf++ = GLX_RENDER_TYPE; |
| 3241 | *pSendBuf++ = renderTypeBitsToRenderTypeEnum(ctx->pFBConfig->renderType); |
| 3242 | *pSendBuf++ = GLX_SCREEN; |
| 3243 | *pSendBuf++ = (int) (ctx->pScreen->myNum); |
| 3244 | |
| 3245 | if (client->swapped) { |
| 3246 | __glXSwapQueryContextReply(client, &reply, sendBuf); |
| 3247 | } |
| 3248 | else { |
| 3249 | WriteToClient(client, sz_xGLXQueryContextReply, &reply); |
| 3250 | WriteToClient(client, nReplyBytes, sendBuf); |
| 3251 | } |
| 3252 | free((char *) sendBuf); |
| 3253 | |
| 3254 | return Success; |
| 3255 | } |
| 3256 | |
| 3257 | int |
| 3258 | __glXQueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) |
| 3259 | { |
| 3260 | ClientPtr client = cl->client; |
| 3261 | __GLXcontext *ctx; |
| 3262 | xGLXQueryContextInfoEXTReq *req; |
| 3263 | xGLXQueryContextInfoEXTReply reply; |
| 3264 | int nProps; |
| 3265 | int *sendBuf, *pSendBuf; |
| 3266 | int nReplyBytes; |
| 3267 | |
| 3268 | req = (xGLXQueryContextInfoEXTReq *) pc; |
| 3269 | dixLookupResourceByType((pointer *) &ctx, |
| 3270 | req->context, __glXContextRes, |
| 3271 | client, DixReadAccess); |
| 3272 | |
| 3273 | if (!ctx) { |
| 3274 | client->errorValue = req->context; |
| 3275 | return __glXBadContext; |
| 3276 | } |
| 3277 | |
| 3278 | nProps = 4; |
| 3279 | |
| 3280 | reply = (xGLXQueryContextInfoEXTReply) { |
| 3281 | .type = X_Reply, |
| 3282 | .sequenceNumber = client->sequence, |
| 3283 | .length = nProps << 1, |
| 3284 | .n = nProps |
| 3285 | }; |
| 3286 | |
| 3287 | nReplyBytes = reply.length << 2; |
| 3288 | sendBuf = (int *) malloc(nReplyBytes); |
| 3289 | pSendBuf = sendBuf; |
| 3290 | *pSendBuf++ = GLX_SHARE_CONTEXT_EXT; |
| 3291 | *pSendBuf++ = (int) (ctx->share_id); |
| 3292 | *pSendBuf++ = GLX_VISUAL_ID_EXT; |
| 3293 | *pSendBuf++ = (int) (ctx->pVisual ? ctx->pVisual->vid : 0); |
| 3294 | *pSendBuf++ = GLX_SCREEN_EXT; |
| 3295 | *pSendBuf++ = (int) (ctx->pScreen->myNum); |
| 3296 | *pSendBuf++ = GLX_FBCONFIG_ID; |
| 3297 | *pSendBuf++ = (int) (ctx->pFBConfig ? ctx->pFBConfig->id : 0); |
| 3298 | |
| 3299 | if (client->swapped) { |
| 3300 | __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); |
| 3301 | } |
| 3302 | else { |
| 3303 | WriteToClient(client, sz_xGLXQueryContextInfoEXTReply, &reply); |
| 3304 | WriteToClient(client, nReplyBytes, sendBuf); |
| 3305 | } |
| 3306 | free((char *) sendBuf); |
| 3307 | |
| 3308 | return Success; |
| 3309 | } |
| 3310 | |
| 3311 | int |
| 3312 | __glXCreatePbuffer(__GLXclientState * cl, GLbyte * pc) |
| 3313 | { |
| 3314 | ClientPtr client = cl->client; |
| 3315 | xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; |
| 3316 | xGLXCreatePbufferReq *be_req; |
| 3317 | int screen = req->screen; |
| 3318 | GLXFBConfigID fbconfigId = req->fbconfig; |
| 3319 | GLXPbuffer pbuffer = req->pbuffer; |
| 3320 | __glXPbuffer *pGlxPbuffer; |
| 3321 | int numAttribs = req->numAttribs; |
| 3322 | int *attr; |
| 3323 | ScreenPtr pScreen; |
| 3324 | __GLXFBConfig *pGlxFBConfig; |
| 3325 | __GLXFBConfig *be_pGlxFBConfig; |
| 3326 | XID be_xid; |
| 3327 | Display *dpy; |
| 3328 | DMXScreenInfo *dmxScreen; |
| 3329 | int s; |
| 3330 | int from_screen, to_screen; |
| 3331 | |
| 3332 | /* |
| 3333 | ** Look up screen and FBConfig. |
| 3334 | */ |
| 3335 | if (screen >= screenInfo.numScreens) { |
| 3336 | /* The client library must send a valid screen number. */ |
| 3337 | client->errorValue = screen; |
| 3338 | return BadValue; |
| 3339 | } |
| 3340 | pScreen = screenInfo.screens[screen]; |
| 3341 | |
| 3342 | /* |
| 3343 | ** Find the FBConfigRec for this fbconfigid. |
| 3344 | */ |
| 3345 | if (!(pGlxFBConfig = glxLookupFBConfig(fbconfigId))) { |
| 3346 | client->errorValue = fbconfigId; |
| 3347 | return __glXBadFBConfig; |
| 3348 | } |
| 3349 | |
| 3350 | /* |
| 3351 | ** Create the GLX part of the Pbuffer. |
| 3352 | */ |
| 3353 | pGlxPbuffer = (__glXPbuffer *) malloc(sizeof(__glXPbuffer)); |
| 3354 | if (!pGlxPbuffer) { |
| 3355 | return BadAlloc; |
| 3356 | } |
| 3357 | |
| 3358 | pGlxPbuffer->be_xids = (XID *) malloc(sizeof(XID) * screenInfo.numScreens); |
| 3359 | if (!pGlxPbuffer->be_xids) { |
| 3360 | free(pGlxPbuffer); |
| 3361 | return BadAlloc; |
| 3362 | } |
| 3363 | |
| 3364 | /* |
| 3365 | * Allocate an XID on the back-end server(s) and send him the request |
| 3366 | */ |
| 3367 | from_screen = to_screen = screen; |
| 3368 | #ifdef PANORAMIX |
| 3369 | if (!noPanoramiXExtension) { |
| 3370 | from_screen = 0; |
| 3371 | to_screen = screenInfo.numScreens - 1; |
| 3372 | } |
| 3373 | #endif |
| 3374 | |
| 3375 | for (s = from_screen; s <= to_screen; s++) { |
| 3376 | dpy = GetBackEndDisplay(cl, s); |
| 3377 | be_xid = XAllocID(dpy); |
| 3378 | dmxScreen = &dmxScreens[s]; |
| 3379 | be_pGlxFBConfig = glxLookupBackEndFBConfig(pGlxFBConfig->id, s); |
| 3380 | |
| 3381 | attr = (int *) (req + 1); |
| 3382 | |
| 3383 | LockDisplay(dpy); |
| 3384 | GetReqExtra(GLXCreatePbuffer, 2 * numAttribs * __GLX_SIZE_CARD32, |
| 3385 | be_req); |
| 3386 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 3387 | be_req->glxCode = X_GLXCreatePbuffer; |
| 3388 | be_req->screen = be_pGlxFBConfig->screen; |
| 3389 | be_req->fbconfig = be_pGlxFBConfig->id; |
| 3390 | be_req->pbuffer = be_xid; |
| 3391 | be_req->numAttribs = numAttribs; |
| 3392 | |
| 3393 | /* Send attributes */ |
| 3394 | if (attr != NULL) { |
| 3395 | CARD32 *pc = (CARD32 *) (be_req + 1); |
| 3396 | |
| 3397 | while (numAttribs-- > 0) { |
| 3398 | *pc++ = *attr++; /* token */ |
| 3399 | *pc++ = *attr++; /* value */ |
| 3400 | } |
| 3401 | } |
| 3402 | |
| 3403 | UnlockDisplay(dpy); |
| 3404 | SyncHandle(); |
| 3405 | |
| 3406 | pGlxPbuffer->be_xids[s] = be_xid; |
| 3407 | } |
| 3408 | |
| 3409 | pGlxPbuffer->idExists = True; |
| 3410 | pGlxPbuffer->refcnt = 0; |
| 3411 | pGlxPbuffer->pFBConfig = pGlxFBConfig; |
| 3412 | pGlxPbuffer->pScreen = pScreen; |
| 3413 | |
| 3414 | /* |
| 3415 | ** Register the resource. |
| 3416 | */ |
| 3417 | if (!(AddResource(pbuffer, __glXPbufferRes, pGlxPbuffer))) { |
| 3418 | return BadAlloc; |
| 3419 | } |
| 3420 | |
| 3421 | return Success; |
| 3422 | |
| 3423 | } |
| 3424 | |
| 3425 | int |
| 3426 | __glXDestroyPbuffer(__GLXclientState * cl, GLbyte * pc) |
| 3427 | { |
| 3428 | ClientPtr client = cl->client; |
| 3429 | xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; |
| 3430 | xGLXDestroyPbufferReq *be_req; |
| 3431 | GLXPbuffer pbuffer = req->pbuffer; |
| 3432 | Display *dpy; |
| 3433 | int screen; |
| 3434 | DMXScreenInfo *dmxScreen; |
| 3435 | __glXPbuffer *pGlxPbuffer; |
| 3436 | int s; |
| 3437 | int from_screen, to_screen; |
| 3438 | |
| 3439 | /* |
| 3440 | ** Check if it's a valid Pbuffer |
| 3441 | */ |
| 3442 | dixLookupResourceByType((pointer *) &pGlxPbuffer, pbuffer, |
| 3443 | __glXPbufferRes, NullClient, DixUnknownAccess); |
| 3444 | if (!pGlxPbuffer) { |
| 3445 | client->errorValue = pbuffer; |
| 3446 | return __glXBadPbuffer; |
| 3447 | } |
| 3448 | |
| 3449 | screen = pGlxPbuffer->pScreen->myNum; |
| 3450 | |
| 3451 | from_screen = to_screen = screen; |
| 3452 | #ifdef PANORAMIX |
| 3453 | if (!noPanoramiXExtension) { |
| 3454 | from_screen = 0; |
| 3455 | to_screen = screenInfo.numScreens - 1; |
| 3456 | } |
| 3457 | #endif |
| 3458 | |
| 3459 | for (s = from_screen; s <= to_screen; s++) { |
| 3460 | dpy = GetBackEndDisplay(cl, s); |
| 3461 | dmxScreen = &dmxScreens[s]; |
| 3462 | |
| 3463 | /* send the destroy request to the back-end server */ |
| 3464 | LockDisplay(dpy); |
| 3465 | GetReq(GLXDestroyPbuffer, be_req); |
| 3466 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 3467 | be_req->glxCode = X_GLXDestroyPbuffer; |
| 3468 | be_req->pbuffer = pGlxPbuffer->be_xids[s]; |
| 3469 | UnlockDisplay(dpy); |
| 3470 | SyncHandle(); |
| 3471 | } |
| 3472 | |
| 3473 | FreeResource(pbuffer, RT_NONE); |
| 3474 | |
| 3475 | return Success; |
| 3476 | } |
| 3477 | |
| 3478 | int |
| 3479 | __glXGetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) |
| 3480 | { |
| 3481 | xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; |
| 3482 | xGLXGetDrawableAttributesReq *be_req; |
| 3483 | xGLXGetDrawableAttributesReply reply; |
| 3484 | ClientPtr client = cl->client; |
| 3485 | GLXDrawable drawId = req->drawable; |
| 3486 | GLXDrawable be_drawable = 0; |
| 3487 | DrawablePtr pDraw = NULL; |
| 3488 | Display *dpy; |
| 3489 | int screen, rc; |
| 3490 | DMXScreenInfo *dmxScreen; |
| 3491 | CARD32 *attribs = NULL; |
| 3492 | int attribs_size = 0; |
| 3493 | |
| 3494 | #ifdef PANORAMIX |
| 3495 | PanoramiXRes *pXinDraw = NULL; |
| 3496 | #endif |
| 3497 | |
| 3498 | if (drawId != None) { |
| 3499 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess); |
| 3500 | if (rc == Success && pDraw->type == DRAWABLE_WINDOW) { |
| 3501 | WindowPtr pWin = (WindowPtr) pDraw; |
| 3502 | |
| 3503 | be_drawable = 0; |
| 3504 | screen = pWin->drawable.pScreen->myNum; |
| 3505 | } |
| 3506 | else { |
| 3507 | /* |
| 3508 | ** Drawable is not a Window , GLXWindow or a GLXPixmap. |
| 3509 | */ |
| 3510 | client->errorValue = drawId; |
| 3511 | return __glXBadDrawable; |
| 3512 | } |
| 3513 | |
| 3514 | if (!pDraw) { |
| 3515 | __GLXpixmap *pGlxPixmap; |
| 3516 | |
| 3517 | dixLookupResourceByType((pointer *) &pGlxPixmap, |
| 3518 | drawId, __glXPixmapRes, |
| 3519 | NullClient, DixUnknownAccess); |
| 3520 | if (pGlxPixmap) { |
| 3521 | pDraw = pGlxPixmap->pDraw; |
| 3522 | screen = pGlxPixmap->pScreen->myNum; |
| 3523 | be_drawable = pGlxPixmap->be_xids[screen]; |
| 3524 | } |
| 3525 | } |
| 3526 | |
| 3527 | if (!pDraw) { |
| 3528 | __glXWindow *pGlxWindow; |
| 3529 | |
| 3530 | dixLookupResourceByType((pointer *) &pGlxWindow, |
| 3531 | drawId, __glXWindowRes, |
| 3532 | NullClient, DixUnknownAccess); |
| 3533 | if (pGlxWindow) { |
| 3534 | pDraw = pGlxWindow->pDraw; |
| 3535 | screen = pGlxWindow->pScreen->myNum; |
| 3536 | be_drawable = 0; |
| 3537 | } |
| 3538 | } |
| 3539 | |
| 3540 | if (!pDraw) { |
| 3541 | __glXPbuffer *pGlxPbuffer; |
| 3542 | |
| 3543 | dixLookupResourceByType((pointer *) &pGlxPbuffer, |
| 3544 | drawId, __glXPbufferRes, |
| 3545 | NullClient, DixUnknownAccess); |
| 3546 | if (pGlxPbuffer) { |
| 3547 | pDraw = (DrawablePtr) pGlxPbuffer; |
| 3548 | screen = pGlxPbuffer->pScreen->myNum; |
| 3549 | be_drawable = pGlxPbuffer->be_xids[screen]; |
| 3550 | } |
| 3551 | } |
| 3552 | } |
| 3553 | |
| 3554 | if (!pDraw) { |
| 3555 | /* |
| 3556 | ** Drawable is not a Window , GLXWindow or a GLXPixmap. |
| 3557 | */ |
| 3558 | client->errorValue = drawId; |
| 3559 | return __glXBadDrawable; |
| 3560 | } |
| 3561 | |
| 3562 | /* if the drawable is a window or GLXWindow - |
| 3563 | * we need to find the base id on the back-end server |
| 3564 | */ |
| 3565 | if (!be_drawable) { |
| 3566 | WindowPtr pWin = (WindowPtr) pDraw; |
| 3567 | |
| 3568 | #ifdef PANORAMIX |
| 3569 | if (!noPanoramiXExtension) { |
| 3570 | if (Success != dixLookupResourceByClass((pointer *) &pXinDraw, |
| 3571 | pDraw->id, XRC_DRAWABLE, |
| 3572 | client, DixReadAccess)) { |
| 3573 | client->errorValue = drawId; |
| 3574 | return __glXBadDrawable; |
| 3575 | } |
| 3576 | |
| 3577 | dixLookupWindow(&pWin, pXinDraw->info[screen].id, client, |
| 3578 | DixReadAccess); |
| 3579 | } |
| 3580 | #endif |
| 3581 | |
| 3582 | if (pWin) { |
| 3583 | be_drawable = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 3584 | if (!be_drawable) { |
| 3585 | /* it might be that the window did not created yet on the */ |
| 3586 | /* back-end server (lazy window creation option), force */ |
| 3587 | /* creation of the window */ |
| 3588 | dmxCreateAndRealizeWindow(pWin, TRUE); |
| 3589 | be_drawable = |
| 3590 | (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 3591 | } |
| 3592 | } |
| 3593 | else { |
| 3594 | client->errorValue = drawId; |
| 3595 | return __glXBadDrawable; |
| 3596 | } |
| 3597 | } |
| 3598 | |
| 3599 | /* send the request to the back-end server */ |
| 3600 | dpy = GetBackEndDisplay(cl, screen); |
| 3601 | dmxScreen = &dmxScreens[screen]; |
| 3602 | |
| 3603 | /* make sure drawable exists on back-end */ |
| 3604 | dmxSync(dmxScreen, 1); |
| 3605 | |
| 3606 | LockDisplay(dpy); |
| 3607 | GetReq(GLXGetDrawableAttributes, be_req); |
| 3608 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 3609 | be_req->glxCode = X_GLXGetDrawableAttributes; |
| 3610 | be_req->drawable = be_drawable; |
| 3611 | be_req->length = req->length; |
| 3612 | if (!_XReply(dpy, (xReply *) &reply, 0, False)) { |
| 3613 | UnlockDisplay(dpy); |
| 3614 | SyncHandle(); |
| 3615 | return (BE_TO_CLIENT_ERROR(dmxLastErrorEvent.error_code)); |
| 3616 | } |
| 3617 | |
| 3618 | if (reply.numAttribs) { |
| 3619 | attribs_size = 2 * reply.numAttribs * __GLX_SIZE_CARD32; |
| 3620 | attribs = (CARD32 *) malloc(attribs_size); |
| 3621 | if (attribs == NULL) { |
| 3622 | UnlockDisplay(dpy); |
| 3623 | SyncHandle(); |
| 3624 | return BadAlloc; |
| 3625 | } |
| 3626 | |
| 3627 | _XRead(dpy, (char *) attribs, attribs_size); |
| 3628 | } |
| 3629 | |
| 3630 | UnlockDisplay(dpy); |
| 3631 | SyncHandle(); |
| 3632 | |
| 3633 | /* send the reply back to the client */ |
| 3634 | reply.sequenceNumber = client->sequence; |
| 3635 | if (client->swapped) { |
| 3636 | __glXSwapGetDrawableAttributesReply(client, &reply, (int *) attribs); |
| 3637 | } |
| 3638 | else { |
| 3639 | WriteToClient(client, sz_xGLXGetDrawableAttributesReply, &reply); |
| 3640 | WriteToClient(client, attribs_size, attribs); |
| 3641 | } |
| 3642 | |
| 3643 | free(attribs); |
| 3644 | |
| 3645 | return Success; |
| 3646 | } |
| 3647 | |
| 3648 | int |
| 3649 | __glXChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) |
| 3650 | { |
| 3651 | xGLXChangeDrawableAttributesReq *req = |
| 3652 | (xGLXChangeDrawableAttributesReq *) pc; |
| 3653 | xGLXChangeDrawableAttributesReq *be_req; |
| 3654 | ClientPtr client = cl->client; |
| 3655 | GLXDrawable drawId = req->drawable; |
| 3656 | GLXDrawable be_drawable = 0; |
| 3657 | DrawablePtr pDraw = NULL; |
| 3658 | Display *dpy; |
| 3659 | int screen, rc; |
| 3660 | DMXScreenInfo *dmxScreen; |
| 3661 | |
| 3662 | if (drawId != None) { |
| 3663 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixSetAttrAccess); |
| 3664 | if (rc == Success && pDraw->type == DRAWABLE_WINDOW) { |
| 3665 | be_drawable = 0; |
| 3666 | screen = pDraw->pScreen->myNum; |
| 3667 | } |
| 3668 | else { |
| 3669 | /* |
| 3670 | ** Drawable is not a Window , GLXWindow or a GLXPixmap. |
| 3671 | */ |
| 3672 | client->errorValue = drawId; |
| 3673 | return __glXBadDrawable; |
| 3674 | } |
| 3675 | |
| 3676 | if (!pDraw) { |
| 3677 | __GLXpixmap *pGlxPixmap; |
| 3678 | |
| 3679 | dixLookupResourceByType((pointer *) &pGlxPixmap, |
| 3680 | drawId, __glXPixmapRes, |
| 3681 | NullClient, DixUnknownAccess); |
| 3682 | if (pGlxPixmap) { |
| 3683 | pDraw = pGlxPixmap->pDraw; |
| 3684 | screen = pGlxPixmap->pScreen->myNum; |
| 3685 | be_drawable = pGlxPixmap->be_xids[screen]; |
| 3686 | } |
| 3687 | } |
| 3688 | |
| 3689 | if (!pDraw) { |
| 3690 | __glXWindow *pGlxWindow; |
| 3691 | |
| 3692 | dixLookupResourceByType((pointer *) &pGlxWindow, |
| 3693 | drawId, __glXWindowRes, |
| 3694 | NullClient, DixUnknownAccess); |
| 3695 | if (pGlxWindow) { |
| 3696 | pDraw = pGlxWindow->pDraw; |
| 3697 | screen = pGlxWindow->pScreen->myNum; |
| 3698 | be_drawable = 0; |
| 3699 | } |
| 3700 | } |
| 3701 | |
| 3702 | if (!pDraw) { |
| 3703 | __glXPbuffer *pGlxPbuffer; |
| 3704 | |
| 3705 | dixLookupResourceByType((pointer *) &pGlxPbuffer, |
| 3706 | drawId, __glXPbufferRes, |
| 3707 | NullClient, DixUnknownAccess); |
| 3708 | if (pGlxPbuffer) { |
| 3709 | pDraw = (DrawablePtr) pGlxPbuffer; |
| 3710 | screen = pGlxPbuffer->pScreen->myNum; |
| 3711 | be_drawable = pGlxPbuffer->be_xids[screen]; |
| 3712 | } |
| 3713 | } |
| 3714 | } |
| 3715 | |
| 3716 | if (!pDraw) { |
| 3717 | /* |
| 3718 | ** Drawable is not a Window , GLXWindow or a GLXPixmap. |
| 3719 | */ |
| 3720 | client->errorValue = drawId; |
| 3721 | return __glXBadDrawable; |
| 3722 | } |
| 3723 | |
| 3724 | /* if the drawable is a window or GLXWindow - |
| 3725 | * we need to find the base id on the back-end server |
| 3726 | */ |
| 3727 | if (!be_drawable) { |
| 3728 | WindowPtr pWin = (WindowPtr) pDraw; |
| 3729 | |
| 3730 | #ifdef PANORAMIX |
| 3731 | if (!noPanoramiXExtension) { |
| 3732 | PanoramiXRes *pXinDraw; |
| 3733 | |
| 3734 | if (Success != dixLookupResourceByClass((pointer *) &pXinDraw, |
| 3735 | pDraw->id, XRC_DRAWABLE, |
| 3736 | client, DixReadAccess)) { |
| 3737 | client->errorValue = drawId; |
| 3738 | return __glXBadDrawable; |
| 3739 | } |
| 3740 | |
| 3741 | dixLookupWindow(&pWin, pXinDraw->info[screen].id, client, |
| 3742 | DixReadAccess); |
| 3743 | } |
| 3744 | #endif |
| 3745 | |
| 3746 | if (pWin) { |
| 3747 | be_drawable = (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 3748 | if (!be_drawable) { |
| 3749 | /* it might be that the window did not created yet on the */ |
| 3750 | /* back-end server (lazy window creation option), force */ |
| 3751 | /* creation of the window */ |
| 3752 | dmxCreateAndRealizeWindow(pWin, TRUE); |
| 3753 | be_drawable = |
| 3754 | (unsigned int) (DMX_GET_WINDOW_PRIV(pWin))->window; |
| 3755 | } |
| 3756 | } |
| 3757 | else { |
| 3758 | client->errorValue = drawId; |
| 3759 | return __glXBadDrawable; |
| 3760 | } |
| 3761 | } |
| 3762 | |
| 3763 | /* send the request to the back-end server */ |
| 3764 | dpy = GetBackEndDisplay(cl, screen); |
| 3765 | dmxScreen = &dmxScreens[screen]; |
| 3766 | |
| 3767 | /* make sure drawable exists on back-end */ |
| 3768 | dmxSync(dmxScreen, 1); |
| 3769 | |
| 3770 | LockDisplay(dpy); |
| 3771 | GetReqExtra(GLXChangeDrawableAttributes, |
| 3772 | 2 * req->numAttribs * __GLX_SIZE_CARD32, be_req); |
| 3773 | be_req->reqType = dmxScreen->glxMajorOpcode; |
| 3774 | be_req->glxCode = X_GLXChangeDrawableAttributes; |
| 3775 | be_req->drawable = be_drawable; |
| 3776 | be_req->numAttribs = req->numAttribs; |
| 3777 | be_req->length = req->length; |
| 3778 | |
| 3779 | UnlockDisplay(dpy); |
| 3780 | SyncHandle(); |
| 3781 | |
| 3782 | return Success; |
| 3783 | } |
| 3784 | |
| 3785 | int |
| 3786 | __glXSendLargeCommand(__GLXclientState * cl, GLXContextTag contextTag) |
| 3787 | { |
| 3788 | ClientPtr client = cl->client; |
| 3789 | xGLXRenderLargeReq *req; |
| 3790 | GLint maxSize, amount; |
| 3791 | GLint totalRequests, requestNumber; |
| 3792 | GLint dataLen; |
| 3793 | GLbyte *data; |
| 3794 | __GLXcontext *glxc; |
| 3795 | int s; |
| 3796 | int from_screen, to_screen; |
| 3797 | |
| 3798 | maxSize = cl->largeCmdMaxReqDataSize - (GLint) sizeof(xGLXRenderLargeReq); |
| 3799 | dataLen = cl->largeCmdBytesTotal; |
| 3800 | totalRequests = (dataLen / maxSize); |
| 3801 | if (dataLen % maxSize) |
| 3802 | totalRequests++; |
| 3803 | |
| 3804 | glxc = __glXLookupContextByTag(cl, contextTag); |
| 3805 | if (!glxc) { |
| 3806 | client->errorValue = contextTag; |
| 3807 | return __glXBadContext; |
| 3808 | } |
| 3809 | from_screen = to_screen = glxc->pScreen->myNum; |
| 3810 | |
| 3811 | #ifdef PANORAMIX |
| 3812 | if (!noPanoramiXExtension) { |
| 3813 | from_screen = 0; |
| 3814 | to_screen = screenInfo.numScreens - 1; |
| 3815 | } |
| 3816 | #endif |
| 3817 | |
| 3818 | /* |
| 3819 | ** Send enough requests until the whole array is sent. |
| 3820 | */ |
| 3821 | requestNumber = 1; |
| 3822 | data = cl->largeCmdBuf; |
| 3823 | while (dataLen > 0) { |
| 3824 | amount = dataLen; |
| 3825 | if (amount > maxSize) { |
| 3826 | amount = maxSize; |
| 3827 | } |
| 3828 | |
| 3829 | for (s = from_screen; s <= to_screen; s++) { |
| 3830 | |
| 3831 | Display *dpy = GetBackEndDisplay(cl, s); |
| 3832 | DMXScreenInfo *dmxScreen = &dmxScreens[s]; |
| 3833 | |
| 3834 | LockDisplay(dpy); |
| 3835 | GetReq(GLXRenderLarge, req); |
| 3836 | req->reqType = dmxScreen->glxMajorOpcode; |
| 3837 | req->glxCode = X_GLXRenderLarge; |
| 3838 | req->contextTag = GetCurrentBackEndTag(cl, contextTag, s); |
| 3839 | req->length += (amount + 3) >> 2; |
| 3840 | req->requestNumber = requestNumber++; |
| 3841 | req->requestTotal = totalRequests; |
| 3842 | req->dataBytes = amount; |
| 3843 | Data(dpy, ((const char *) data), amount); |
| 3844 | dataLen -= amount; |
| 3845 | data = ((GLbyte *) data) + amount; |
| 3846 | UnlockDisplay(dpy); |
| 3847 | SyncHandle(); |
| 3848 | } |
| 3849 | } |
| 3850 | |
| 3851 | return Success; |
| 3852 | } |