| File: | glx/glxcmds.c |
| Location: | line 122, column 9 |
| Description: | Access to field 'class' results in a dereference of a null pointer (loaded from variable 'pVisual') |
| 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_DIX_CONFIG_H1 | |||
| 32 | #include <dix-config.h> | |||
| 33 | #endif | |||
| 34 | ||||
| 35 | #include <string.h> | |||
| 36 | #include <assert.h> | |||
| 37 | ||||
| 38 | #include "glxserver.h" | |||
| 39 | #include <GL/glxtokens.h> | |||
| 40 | #include <unpack.h> | |||
| 41 | #include <pixmapstr.h> | |||
| 42 | #include <windowstr.h> | |||
| 43 | #include "glxutil.h" | |||
| 44 | #include "glxext.h" | |||
| 45 | #include "indirect_dispatch.h" | |||
| 46 | #include "indirect_table.h" | |||
| 47 | #include "indirect_util.h" | |||
| 48 | ||||
| 49 | static char GLXServerVendorName[] = "SGI"; | |||
| 50 | ||||
| 51 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
| 52 | validGlxScreen(ClientPtr client, int screen, __GLXscreen ** pGlxScreen, | |||
| 53 | int *err) | |||
| 54 | { | |||
| 55 | /* | |||
| 56 | ** Check if screen exists. | |||
| 57 | */ | |||
| 58 | if (screen < 0 || screen >= screenInfo.numScreens) { | |||
| 59 | client->errorValue = screen; | |||
| 60 | *err = BadValue2; | |||
| 61 | return FALSE0; | |||
| 62 | } | |||
| 63 | *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); | |||
| 64 | ||||
| 65 | return TRUE1; | |||
| 66 | } | |||
| 67 | ||||
| 68 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
| 69 | validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
| 70 | __GLXconfig ** config, int *err) | |||
| 71 | { | |||
| 72 | __GLXconfig *m; | |||
| 73 | ||||
| 74 | for (m = pGlxScreen->fbconfigs; m != NULL((void*)0); m = m->next) | |||
| 75 | if (m->fbconfigID == id) { | |||
| 76 | *config = m; | |||
| 77 | return TRUE1; | |||
| 78 | } | |||
| 79 | ||||
| 80 | client->errorValue = id; | |||
| 81 | *err = __glXError(GLXBadFBConfig9); | |||
| 82 | ||||
| 83 | return FALSE0; | |||
| 84 | } | |||
| 85 | ||||
| 86 | static int | |||
| 87 | validGlxVisual(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
| 88 | __GLXconfig ** config, int *err) | |||
| 89 | { | |||
| 90 | int i; | |||
| 91 | ||||
| 92 | for (i = 0; i < pGlxScreen->numVisuals; i++) | |||
| 93 | if (pGlxScreen->visuals[i]->visualID == id) { | |||
| 94 | *config = pGlxScreen->visuals[i]; | |||
| 95 | return TRUE1; | |||
| 96 | } | |||
| 97 | ||||
| 98 | client->errorValue = id; | |||
| 99 | *err = BadValue2; | |||
| 100 | ||||
| 101 | return FALSE0; | |||
| 102 | } | |||
| 103 | ||||
| 104 | static int | |||
| 105 | validGlxFBConfigForWindow(ClientPtr client, __GLXconfig * config, | |||
| 106 | DrawablePtr pDraw, int *err) | |||
| 107 | { | |||
| 108 | ScreenPtr pScreen = pDraw->pScreen; | |||
| 109 | VisualPtr pVisual = NULL((void*)0); | |||
| 110 | XID vid; | |||
| 111 | int i; | |||
| 112 | ||||
| 113 | vid = wVisual((WindowPtr) pDraw)(((WindowPtr) pDraw)->optional ? ((WindowPtr) pDraw)->optional ->visual : FindWindowWithOptional((WindowPtr) pDraw)->optional ->visual); | |||
| 114 | for (i = 0; i < pScreen->numVisuals; i++) { | |||
| 115 | if (pScreen->visuals[i].vid == vid) { | |||
| 116 | pVisual = &pScreen->visuals[i]; | |||
| 117 | break; | |||
| 118 | } | |||
| 119 | } | |||
| 120 | ||||
| 121 | /* FIXME: What exactly should we check here... */ | |||
| 122 | if (pVisual->class != glxConvertToXVisualType(config->visualType) || | |||
| ||||
| 123 | !(config->drawableType & GLX_WINDOW_BIT0x00000001)) { | |||
| 124 | client->errorValue = pDraw->id; | |||
| 125 | *err = BadMatch8; | |||
| 126 | return FALSE0; | |||
| 127 | } | |||
| 128 | ||||
| 129 | return TRUE1; | |||
| 130 | } | |||
| 131 | ||||
| 132 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
| 133 | validGlxContext(ClientPtr client, XID id, int access_mode, | |||
| 134 | __GLXcontext ** context, int *err) | |||
| 135 | { | |||
| 136 | *err = dixLookupResourceByType((void **) context, id, | |||
| 137 | __glXContextRes, client, access_mode); | |||
| 138 | if (*err != Success0 || (*context)->idExists == GL_FALSE0x0) { | |||
| 139 | client->errorValue = id; | |||
| 140 | if (*err == BadValue2 || *err == Success0) | |||
| 141 | *err = __glXError(GLXBadContext0); | |||
| 142 | return FALSE0; | |||
| 143 | } | |||
| 144 | ||||
| 145 | return TRUE1; | |||
| 146 | } | |||
| 147 | ||||
| 148 | static int | |||
| 149 | validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, | |||
| 150 | __GLXdrawable ** drawable, int *err) | |||
| 151 | { | |||
| 152 | int rc; | |||
| 153 | ||||
| 154 | rc = dixLookupResourceByType((void **) drawable, id, | |||
| 155 | __glXDrawableRes, client, access_mode); | |||
| 156 | if (rc != Success0 && rc != BadValue2) { | |||
| 157 | *err = rc; | |||
| 158 | client->errorValue = id; | |||
| 159 | return FALSE0; | |||
| 160 | } | |||
| 161 | ||||
| 162 | /* If the ID of the glx drawable we looked up doesn't match the id | |||
| 163 | * we looked for, it's because we looked it up under the X | |||
| 164 | * drawable ID (see DoCreateGLXDrawable). */ | |||
| 165 | if (rc == BadValue2 || | |||
| 166 | (*drawable)->drawId != id || | |||
| 167 | (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { | |||
| 168 | client->errorValue = id; | |||
| 169 | switch (type) { | |||
| 170 | case GLX_DRAWABLE_WINDOW: | |||
| 171 | *err = __glXError(GLXBadWindow12); | |||
| 172 | return FALSE0; | |||
| 173 | case GLX_DRAWABLE_PIXMAP: | |||
| 174 | *err = __glXError(GLXBadPixmap3); | |||
| 175 | return FALSE0; | |||
| 176 | case GLX_DRAWABLE_PBUFFER: | |||
| 177 | *err = __glXError(GLXBadPbuffer10); | |||
| 178 | return FALSE0; | |||
| 179 | case GLX_DRAWABLE_ANY: | |||
| 180 | *err = __glXError(GLXBadDrawable2); | |||
| 181 | return FALSE0; | |||
| 182 | } | |||
| 183 | } | |||
| 184 | ||||
| 185 | return TRUE1; | |||
| 186 | } | |||
| 187 | ||||
| 188 | void | |||
| 189 | __glXContextDestroy(__GLXcontext * context) | |||
| 190 | { | |||
| 191 | lastGLContext = NULL((void*)0); | |||
| 192 | } | |||
| 193 | ||||
| 194 | static void | |||
| 195 | __glXdirectContextDestroy(__GLXcontext * context) | |||
| 196 | { | |||
| 197 | __glXContextDestroy(context); | |||
| 198 | free(context); | |||
| 199 | } | |||
| 200 | ||||
| 201 | static int | |||
| 202 | __glXdirectContextLoseCurrent(__GLXcontext * context) | |||
| 203 | { | |||
| 204 | return GL_TRUE0x1; | |||
| 205 | } | |||
| 206 | ||||
| 207 | _X_HIDDEN__attribute__((visibility("hidden"))) __GLXcontext * | |||
| 208 | __glXdirectContextCreate(__GLXscreen * screen, | |||
| 209 | __GLXconfig * modes, __GLXcontext * shareContext) | |||
| 210 | { | |||
| 211 | __GLXcontext *context; | |||
| 212 | ||||
| 213 | context = calloc(1, sizeof(__GLXcontext)); | |||
| 214 | if (context == NULL((void*)0)) | |||
| 215 | return NULL((void*)0); | |||
| 216 | ||||
| 217 | context->destroy = __glXdirectContextDestroy; | |||
| 218 | context->loseCurrent = __glXdirectContextLoseCurrent; | |||
| 219 | ||||
| 220 | return context; | |||
| 221 | } | |||
| 222 | ||||
| 223 | /** | |||
| 224 | * Create a GL context with the given properties. This routine is used | |||
| 225 | * to implement \c glXCreateContext, \c glXCreateNewContext, and | |||
| 226 | * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way | |||
| 227 | * that GLXFBConfigs are implemented. Basically, the FBConfigID is the | |||
| 228 | * same as the VisualID. | |||
| 229 | */ | |||
| 230 | ||||
| 231 | static int | |||
| 232 | DoCreateContext(__GLXclientState * cl, GLXContextID gcId, | |||
| 233 | GLXContextID shareList, __GLXconfig * config, | |||
| 234 | __GLXscreen * pGlxScreen, GLboolean isDirect) | |||
| 235 | { | |||
| 236 | ClientPtr client = cl->client; | |||
| 237 | __GLXcontext *glxc, *shareglxc; | |||
| 238 | int err; | |||
| 239 | ||||
| 240 | LEGAL_NEW_RESOURCE(gcId, client)if (!LegalNewID(gcId,client)) { client->errorValue = gcId; return 14; }; | |||
| 241 | ||||
| 242 | /* | |||
| 243 | ** Find the display list space that we want to share. | |||
| 244 | ** | |||
| 245 | ** NOTE: In a multithreaded X server, we would need to keep a reference | |||
| 246 | ** count for each display list so that if one client detroyed a list that | |||
| 247 | ** another client was using, the list would not really be freed until it | |||
| 248 | ** was no longer in use. Since this sample implementation has no support | |||
| 249 | ** for multithreaded servers, we don't do this. | |||
| 250 | */ | |||
| 251 | if (shareList == None0L) { | |||
| 252 | shareglxc = 0; | |||
| 253 | } | |||
| 254 | else { | |||
| 255 | if (!validGlxContext(client, shareList, DixReadAccess(1<<0), | |||
| 256 | &shareglxc, &err)) | |||
| 257 | return err; | |||
| 258 | ||||
| 259 | /* Page 26 (page 32 of the PDF) of the GLX 1.4 spec says: | |||
| 260 | * | |||
| 261 | * "The server context state for all sharing contexts must exist | |||
| 262 | * in a single address space or a BadMatch error is generated." | |||
| 263 | * | |||
| 264 | * If the share context is indirect, force the new context to also be | |||
| 265 | * indirect. If the shard context is direct but the new context | |||
| 266 | * cannot be direct, generate BadMatch. | |||
| 267 | */ | |||
| 268 | if (shareglxc->isDirect && !isDirect) { | |||
| 269 | client->errorValue = shareList; | |||
| 270 | return BadMatch8; | |||
| 271 | } | |||
| 272 | else if (!shareglxc->isDirect) { | |||
| 273 | /* | |||
| 274 | ** Create an indirect context regardless of what the client asked | |||
| 275 | ** for; this way we can share display list space with shareList. | |||
| 276 | */ | |||
| 277 | isDirect = GL_FALSE0x0; | |||
| 278 | } | |||
| 279 | } | |||
| 280 | ||||
| 281 | /* | |||
| 282 | ** Allocate memory for the new context | |||
| 283 | */ | |||
| 284 | if (!isDirect) { | |||
| 285 | /* Only allow creating indirect GLX contexts if allowed by | |||
| 286 | * server command line. Indirect GLX is of limited use (since | |||
| 287 | * it's only GL 1.4), it's slower than direct contexts, and | |||
| 288 | * it's a massive attack surface for buffer overflow type | |||
| 289 | * errors. | |||
| 290 | */ | |||
| 291 | if (!enableIndirectGLX) { | |||
| 292 | client->errorValue = isDirect; | |||
| 293 | return BadValue2; | |||
| 294 | } | |||
| 295 | ||||
| 296 | /* Without any attributes, the only error that the driver should be | |||
| 297 | * able to generate is BadAlloc. As result, just drop the error | |||
| 298 | * returned from the driver on the floor. | |||
| 299 | */ | |||
| 300 | glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc, | |||
| 301 | 0, NULL((void*)0), &err); | |||
| 302 | } | |||
| 303 | else | |||
| 304 | glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); | |||
| 305 | if (!glxc) { | |||
| 306 | return BadAlloc11; | |||
| 307 | } | |||
| 308 | ||||
| 309 | /* Initialize the GLXcontext structure. | |||
| 310 | */ | |||
| 311 | glxc->pGlxScreen = pGlxScreen; | |||
| 312 | glxc->config = config; | |||
| 313 | glxc->id = gcId; | |||
| 314 | glxc->share_id = shareList; | |||
| 315 | glxc->idExists = GL_TRUE0x1; | |||
| 316 | glxc->currentClient = NULL((void*)0); | |||
| 317 | glxc->isDirect = isDirect; | |||
| 318 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
| 319 | glxc->renderMode = GL_RENDER0x1C00; | |||
| 320 | glxc->feedbackBuf = NULL((void*)0); | |||
| 321 | glxc->feedbackBufSize = 0; | |||
| 322 | glxc->selectBuf = NULL((void*)0); | |||
| 323 | glxc->selectBufSize = 0; | |||
| 324 | glxc->drawPriv = NULL((void*)0); | |||
| 325 | glxc->readPriv = NULL((void*)0); | |||
| 326 | ||||
| 327 | /* The GLX_ARB_create_context_robustness spec says: | |||
| 328 | * | |||
| 329 | * "The default value for GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB | |||
| 330 | * is GLX_NO_RESET_NOTIFICATION_ARB." | |||
| 331 | * | |||
| 332 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
| 333 | * non-default reset notification strategy. | |||
| 334 | */ | |||
| 335 | glxc->resetNotificationStrategy = GLX_NO_RESET_NOTIFICATION_ARB0x8261; | |||
| 336 | ||||
| 337 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
| 338 | /* The GLX_ARB_context_flush_control spec says: | |||
| 339 | * | |||
| 340 | * "The default value [for GLX_CONTEXT_RELEASE_BEHAVIOR] is | |||
| 341 | * CONTEXT_RELEASE_BEHAVIOR_FLUSH, and may in some cases be changed | |||
| 342 | * using platform-specific context creation extensions." | |||
| 343 | * | |||
| 344 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
| 345 | * non-default release behavior. | |||
| 346 | */ | |||
| 347 | glxc->releaseBehavior = GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB; | |||
| 348 | #endif | |||
| 349 | ||||
| 350 | /* Add the new context to the various global tables of GLX contexts. | |||
| 351 | */ | |||
| 352 | if (!__glXAddContext(glxc)) { | |||
| 353 | (*glxc->destroy) (glxc); | |||
| 354 | client->errorValue = gcId; | |||
| 355 | return BadAlloc11; | |||
| 356 | } | |||
| 357 | ||||
| 358 | return Success0; | |||
| 359 | } | |||
| 360 | ||||
| 361 | int | |||
| 362 | __glXDisp_CreateContext(__GLXclientState * cl, GLbyte * pc) | |||
| 363 | { | |||
| 364 | ClientPtr client = cl->client; | |||
| 365 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; | |||
| 366 | __GLXconfig *config; | |||
| 367 | __GLXscreen *pGlxScreen; | |||
| 368 | int err; | |||
| 369 | ||||
| 370 | REQUEST_SIZE_MATCH(xGLXCreateContextReq)if ((sizeof(xGLXCreateContextReq) >> 2) != client->req_len ) return(16); | |||
| 371 | ||||
| 372 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 373 | return err; | |||
| 374 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
| 375 | return err; | |||
| 376 | ||||
| 377 | return DoCreateContext(cl, req->context, req->shareList, | |||
| 378 | config, pGlxScreen, req->isDirect); | |||
| 379 | } | |||
| 380 | ||||
| 381 | int | |||
| 382 | __glXDisp_CreateNewContext(__GLXclientState * cl, GLbyte * pc) | |||
| 383 | { | |||
| 384 | ClientPtr client = cl->client; | |||
| 385 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; | |||
| 386 | __GLXconfig *config; | |||
| 387 | __GLXscreen *pGlxScreen; | |||
| 388 | int err; | |||
| 389 | ||||
| 390 | REQUEST_SIZE_MATCH(xGLXCreateNewContextReq)if ((sizeof(xGLXCreateNewContextReq) >> 2) != client-> req_len) return(16); | |||
| 391 | ||||
| 392 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 393 | return err; | |||
| 394 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
| 395 | return err; | |||
| 396 | ||||
| 397 | return DoCreateContext(cl, req->context, req->shareList, | |||
| 398 | config, pGlxScreen, req->isDirect); | |||
| 399 | } | |||
| 400 | ||||
| 401 | int | |||
| 402 | __glXDisp_CreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 403 | { | |||
| 404 | ClientPtr client = cl->client; | |||
| 405 | xGLXCreateContextWithConfigSGIXReq *req = | |||
| 406 | (xGLXCreateContextWithConfigSGIXReq *) pc; | |||
| 407 | __GLXconfig *config; | |||
| 408 | __GLXscreen *pGlxScreen; | |||
| 409 | int err; | |||
| 410 | ||||
| 411 | REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq)if ((sizeof(xGLXCreateContextWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
| 412 | ||||
| 413 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 414 | return err; | |||
| 415 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
| 416 | return err; | |||
| 417 | ||||
| 418 | return DoCreateContext(cl, req->context, req->shareList, | |||
| 419 | config, pGlxScreen, req->isDirect); | |||
| 420 | } | |||
| 421 | ||||
| 422 | int | |||
| 423 | __glXDisp_DestroyContext(__GLXclientState * cl, GLbyte * pc) | |||
| 424 | { | |||
| 425 | ClientPtr client = cl->client; | |||
| 426 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; | |||
| 427 | __GLXcontext *glxc; | |||
| 428 | int err; | |||
| 429 | ||||
| 430 | REQUEST_SIZE_MATCH(xGLXDestroyContextReq)if ((sizeof(xGLXDestroyContextReq) >> 2) != client-> req_len) return(16); | |||
| 431 | ||||
| 432 | if (!validGlxContext(cl->client, req->context, DixDestroyAccess(1<<2), | |||
| 433 | &glxc, &err)) | |||
| 434 | return err; | |||
| 435 | ||||
| 436 | glxc->idExists = GL_FALSE0x0; | |||
| 437 | if (!glxc->currentClient) | |||
| 438 | FreeResourceByType(req->context, __glXContextRes, FALSE0); | |||
| 439 | ||||
| 440 | return Success0; | |||
| 441 | } | |||
| 442 | ||||
| 443 | /* | |||
| 444 | * This will return "deleted" contexts, ie, where idExists is GL_FALSE. | |||
| 445 | * Contrast validGlxContext, which will not. We're cheating here and | |||
| 446 | * using the XID as the context tag, which is fine as long as we defer | |||
| 447 | * actually destroying the context until it's no longer referenced, and | |||
| 448 | * block clients from trying to MakeCurrent on contexts that are on the | |||
| 449 | * way to destruction. Notice that DoMakeCurrent calls validGlxContext | |||
| 450 | * for new contexts but __glXLookupContextByTag for previous contexts. | |||
| 451 | */ | |||
| 452 | __GLXcontext * | |||
| 453 | __glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) | |||
| 454 | { | |||
| 455 | __GLXcontext *ret; | |||
| 456 | ||||
| 457 | if (dixLookupResourceByType((void **) &ret, tag, __glXContextRes, | |||
| 458 | cl->client, DixUseAccess(1<<24)) == Success0) | |||
| 459 | return ret; | |||
| 460 | ||||
| 461 | return NULL((void*)0); | |||
| 462 | } | |||
| 463 | ||||
| 464 | /*****************************************************************************/ | |||
| 465 | ||||
| 466 | static void | |||
| 467 | StopUsingContext(__GLXcontext * glxc) | |||
| 468 | { | |||
| 469 | if (glxc) { | |||
| 470 | glxc->currentClient = NULL((void*)0); | |||
| 471 | if (!glxc->idExists) { | |||
| 472 | FreeResourceByType(glxc->id, __glXContextRes, FALSE0); | |||
| 473 | } | |||
| 474 | } | |||
| 475 | } | |||
| 476 | ||||
| 477 | static void | |||
| 478 | StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) | |||
| 479 | { | |||
| 480 | glxc->currentClient = cl->client; | |||
| 481 | } | |||
| 482 | ||||
| 483 | /** | |||
| 484 | * This is a helper function to handle the legacy (pre GLX 1.3) cases | |||
| 485 | * where passing an X window to glXMakeCurrent is valid. Given a | |||
| 486 | * resource ID, look up the GLX drawable if available, otherwise, make | |||
| 487 | * sure it's an X window and create a GLX drawable one the fly. | |||
| 488 | */ | |||
| 489 | static __GLXdrawable * | |||
| 490 | __glXGetDrawable(__GLXcontext * glxc, GLXDrawable drawId, ClientPtr client, | |||
| 491 | int *error) | |||
| 492 | { | |||
| 493 | DrawablePtr pDraw; | |||
| 494 | __GLXdrawable *pGlxDraw; | |||
| 495 | int rc; | |||
| 496 | ||||
| 497 | if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
| 498 | DixWriteAccess(1<<1), &pGlxDraw, &rc)) { | |||
| 499 | if (glxc != NULL((void*)0) && pGlxDraw->config != glxc->config) { | |||
| 500 | client->errorValue = drawId; | |||
| 501 | *error = BadMatch8; | |||
| 502 | return NULL((void*)0); | |||
| 503 | } | |||
| 504 | ||||
| 505 | return pGlxDraw; | |||
| 506 | } | |||
| 507 | ||||
| 508 | /* No active context and an unknown drawable, bail. */ | |||
| 509 | if (glxc == NULL((void*)0)) { | |||
| 510 | client->errorValue = drawId; | |||
| 511 | *error = BadMatch8; | |||
| 512 | return NULL((void*)0); | |||
| 513 | } | |||
| 514 | ||||
| 515 | /* The drawId wasn't a GLX drawable. Make sure it's a window and | |||
| 516 | * create a GLXWindow for it. Check that the drawable screen | |||
| 517 | * matches the context screen and that the context fbconfig is | |||
| 518 | * compatible with the window visual. */ | |||
| 519 | ||||
| 520 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess(1<<4)); | |||
| 521 | if (rc != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
| 522 | client->errorValue = drawId; | |||
| 523 | *error = __glXError(GLXBadDrawable2); | |||
| 524 | return NULL((void*)0); | |||
| 525 | } | |||
| 526 | ||||
| 527 | if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { | |||
| 528 | client->errorValue = pDraw->pScreen->myNum; | |||
| 529 | *error = BadMatch8; | |||
| 530 | return NULL((void*)0); | |||
| 531 | } | |||
| 532 | ||||
| 533 | if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) | |||
| 534 | return NULL((void*)0); | |||
| 535 | ||||
| 536 | pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, | |||
| 537 | pDraw, drawId, | |||
| 538 | GLX_DRAWABLE_WINDOW, | |||
| 539 | drawId, glxc->config); | |||
| 540 | if (!pGlxDraw) { | |||
| 541 | *error = BadAlloc11; | |||
| 542 | return NULL((void*)0); | |||
| 543 | } | |||
| 544 | ||||
| 545 | /* since we are creating the drawablePrivate, drawId should be new */ | |||
| 546 | if (!AddResourceDarwin_X_AddResource(drawId, __glXDrawableRes, pGlxDraw)) { | |||
| 547 | *error = BadAlloc11; | |||
| 548 | return NULL((void*)0); | |||
| 549 | } | |||
| 550 | ||||
| 551 | return pGlxDraw; | |||
| 552 | } | |||
| 553 | ||||
| 554 | /*****************************************************************************/ | |||
| 555 | /* | |||
| 556 | ** Make an OpenGL context and drawable current. | |||
| 557 | */ | |||
| 558 | ||||
| 559 | static int | |||
| 560 | DoMakeCurrent(__GLXclientState * cl, | |||
| 561 | GLXDrawable drawId, GLXDrawable readId, | |||
| 562 | GLXContextID contextId, GLXContextTag tag) | |||
| 563 | { | |||
| 564 | ClientPtr client = cl->client; | |||
| 565 | xGLXMakeCurrentReply reply; | |||
| 566 | __GLXcontext *glxc, *prevglxc; | |||
| 567 | __GLXdrawable *drawPriv = NULL((void*)0); | |||
| 568 | __GLXdrawable *readPriv = NULL((void*)0); | |||
| 569 | int error; | |||
| 570 | GLuint mask; | |||
| 571 | ||||
| 572 | /* | |||
| 573 | ** If one is None and the other isn't, it's a bad match. | |||
| 574 | */ | |||
| 575 | ||||
| 576 | mask = (drawId == None0L) ? (1 << 0) : 0; | |||
| 577 | mask |= (readId == None0L) ? (1 << 1) : 0; | |||
| 578 | mask |= (contextId == None0L) ? (1 << 2) : 0; | |||
| 579 | ||||
| 580 | if ((mask != 0x00) && (mask != 0x07)) { | |||
| 581 | return BadMatch8; | |||
| 582 | } | |||
| 583 | ||||
| 584 | /* | |||
| 585 | ** Lookup old context. If we have one, it must be in a usable state. | |||
| 586 | */ | |||
| 587 | if (tag != 0) { | |||
| 588 | prevglxc = __glXLookupContextByTag(cl, tag); | |||
| 589 | if (!prevglxc) { | |||
| 590 | /* | |||
| 591 | ** Tag for previous context is invalid. | |||
| 592 | */ | |||
| 593 | return __glXError(GLXBadContextTag4); | |||
| 594 | } | |||
| 595 | if (prevglxc->renderMode != GL_RENDER0x1C00) { | |||
| 596 | /* Oops. Not in render mode render. */ | |||
| 597 | client->errorValue = prevglxc->id; | |||
| 598 | return __glXError(GLXBadContextState1); | |||
| 599 | } | |||
| 600 | } | |||
| 601 | else { | |||
| 602 | prevglxc = 0; | |||
| 603 | } | |||
| 604 | ||||
| 605 | /* | |||
| 606 | ** Lookup new context. It must not be current for someone else. | |||
| 607 | */ | |||
| 608 | if (contextId != None0L) { | |||
| 609 | int status; | |||
| 610 | ||||
| 611 | if (!validGlxContext(client, contextId, DixUseAccess(1<<24), &glxc, &error)) | |||
| 612 | return error; | |||
| 613 | if ((glxc != prevglxc) && glxc->currentClient) { | |||
| 614 | /* Context is current to somebody else */ | |||
| 615 | return BadAccess10; | |||
| 616 | } | |||
| 617 | ||||
| 618 | assert(drawId != None)(__builtin_expect(!(drawId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 618, "drawId != None") : (void)0); | |||
| 619 | assert(readId != None)(__builtin_expect(!(readId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 619, "readId != None") : (void)0); | |||
| 620 | ||||
| 621 | drawPriv = __glXGetDrawable(glxc, drawId, client, &status); | |||
| 622 | if (drawPriv == NULL((void*)0)) | |||
| 623 | return status; | |||
| 624 | ||||
| 625 | readPriv = __glXGetDrawable(glxc, readId, client, &status); | |||
| 626 | if (readPriv == NULL((void*)0)) | |||
| 627 | return status; | |||
| 628 | ||||
| 629 | } | |||
| 630 | else { | |||
| 631 | /* Switching to no context. Ignore new drawable. */ | |||
| 632 | glxc = 0; | |||
| 633 | drawPriv = 0; | |||
| 634 | readPriv = 0; | |||
| 635 | } | |||
| 636 | ||||
| 637 | if (prevglxc) { | |||
| 638 | /* | |||
| 639 | ** Flush the previous context if needed. | |||
| 640 | */ | |||
| 641 | Bool need_flush = GL_TRUE0x1; | |||
| 642 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
| 643 | if (prevglxc->releaseBehavior == GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB) | |||
| 644 | need_flush = GL_FALSE0x0; | |||
| 645 | #endif | |||
| 646 | if (prevglxc->hasUnflushedCommands && need_flush) { | |||
| 647 | if (__glXForceCurrent(cl, tag, (int *) &error)) { | |||
| 648 | glFlush(); | |||
| 649 | prevglxc->hasUnflushedCommands = GL_FALSE0x0; | |||
| 650 | } | |||
| 651 | else { | |||
| 652 | return error; | |||
| 653 | } | |||
| 654 | } | |||
| 655 | ||||
| 656 | /* | |||
| 657 | ** Make the previous context not current. | |||
| 658 | */ | |||
| 659 | if (!(*prevglxc->loseCurrent) (prevglxc)) { | |||
| 660 | return __glXError(GLXBadContext0); | |||
| 661 | } | |||
| 662 | lastGLContext = NULL((void*)0); | |||
| 663 | if (!prevglxc->isDirect) { | |||
| 664 | prevglxc->drawPriv = NULL((void*)0); | |||
| 665 | prevglxc->readPriv = NULL((void*)0); | |||
| 666 | } | |||
| 667 | } | |||
| 668 | ||||
| 669 | if ((glxc != 0) && !glxc->isDirect) { | |||
| 670 | ||||
| 671 | glxc->drawPriv = drawPriv; | |||
| 672 | glxc->readPriv = readPriv; | |||
| 673 | ||||
| 674 | /* make the context current */ | |||
| 675 | lastGLContext = glxc; | |||
| 676 | if (!(*glxc->makeCurrent) (glxc)) { | |||
| 677 | lastGLContext = NULL((void*)0); | |||
| 678 | glxc->drawPriv = NULL((void*)0); | |||
| 679 | glxc->readPriv = NULL((void*)0); | |||
| 680 | return __glXError(GLXBadContext0); | |||
| 681 | } | |||
| 682 | ||||
| 683 | glxc->currentClient = client; | |||
| 684 | } | |||
| 685 | ||||
| 686 | StopUsingContext(prevglxc); | |||
| 687 | ||||
| 688 | reply = (xGLXMakeCurrentReply) { | |||
| 689 | .type = X_Reply1, | |||
| 690 | .sequenceNumber = client->sequence, | |||
| 691 | .length = 0, | |||
| 692 | .contextTag = 0 | |||
| 693 | }; | |||
| 694 | ||||
| 695 | if (glxc) { | |||
| 696 | StartUsingContext(cl, glxc); | |||
| 697 | reply.contextTag = glxc->id; | |||
| 698 | } | |||
| 699 | ||||
| 700 | if (client->swapped) { | |||
| 701 | __glXSwapMakeCurrentReply(client, &reply); | |||
| 702 | } | |||
| 703 | else { | |||
| 704 | WriteToClient(client, sz_xGLXMakeCurrentReply32, &reply); | |||
| 705 | } | |||
| 706 | return Success0; | |||
| 707 | } | |||
| 708 | ||||
| 709 | int | |||
| 710 | __glXDisp_MakeCurrent(__GLXclientState * cl, GLbyte * pc) | |||
| 711 | { | |||
| 712 | ClientPtr client = cl->client; | |||
| 713 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; | |||
| 714 | ||||
| 715 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReq)if ((sizeof(xGLXMakeCurrentReq) >> 2) != client->req_len ) return(16); | |||
| 716 | ||||
| 717 | return DoMakeCurrent(cl, req->drawable, req->drawable, | |||
| 718 | req->context, req->oldContextTag); | |||
| 719 | } | |||
| 720 | ||||
| 721 | int | |||
| 722 | __glXDisp_MakeContextCurrent(__GLXclientState * cl, GLbyte * pc) | |||
| 723 | { | |||
| 724 | ClientPtr client = cl->client; | |||
| 725 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; | |||
| 726 | ||||
| 727 | REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq)if ((sizeof(xGLXMakeContextCurrentReq) >> 2) != client-> req_len) return(16); | |||
| 728 | ||||
| 729 | return DoMakeCurrent(cl, req->drawable, req->readdrawable, | |||
| 730 | req->context, req->oldContextTag); | |||
| 731 | } | |||
| 732 | ||||
| 733 | int | |||
| 734 | __glXDisp_MakeCurrentReadSGI(__GLXclientState * cl, GLbyte * pc) | |||
| 735 | { | |||
| 736 | ClientPtr client = cl->client; | |||
| 737 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; | |||
| 738 | ||||
| 739 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq)if ((sizeof(xGLXMakeCurrentReadSGIReq) >> 2) != client-> req_len) return(16); | |||
| 740 | ||||
| 741 | return DoMakeCurrent(cl, req->drawable, req->readable, | |||
| 742 | req->context, req->oldContextTag); | |||
| 743 | } | |||
| 744 | ||||
| 745 | int | |||
| 746 | __glXDisp_IsDirect(__GLXclientState * cl, GLbyte * pc) | |||
| 747 | { | |||
| 748 | ClientPtr client = cl->client; | |||
| 749 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; | |||
| 750 | xGLXIsDirectReply reply; | |||
| 751 | __GLXcontext *glxc; | |||
| 752 | int err; | |||
| 753 | ||||
| 754 | REQUEST_SIZE_MATCH(xGLXIsDirectReq)if ((sizeof(xGLXIsDirectReq) >> 2) != client->req_len ) return(16); | |||
| 755 | ||||
| 756 | if (!validGlxContext(cl->client, req->context, DixReadAccess(1<<0), &glxc, &err)) | |||
| 757 | return err; | |||
| 758 | ||||
| 759 | reply = (xGLXIsDirectReply) { | |||
| 760 | .type = X_Reply1, | |||
| 761 | .sequenceNumber = client->sequence, | |||
| 762 | .length = 0, | |||
| 763 | .isDirect = glxc->isDirect | |||
| 764 | }; | |||
| 765 | ||||
| 766 | if (client->swapped) { | |||
| 767 | __glXSwapIsDirectReply(client, &reply); | |||
| 768 | } | |||
| 769 | else { | |||
| 770 | WriteToClient(client, sz_xGLXIsDirectReply32, &reply); | |||
| 771 | } | |||
| 772 | ||||
| 773 | return Success0; | |||
| 774 | } | |||
| 775 | ||||
| 776 | int | |||
| 777 | __glXDisp_QueryVersion(__GLXclientState * cl, GLbyte * pc) | |||
| 778 | { | |||
| 779 | ClientPtr client = cl->client; | |||
| 780 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; | |||
| 781 | xGLXQueryVersionReply reply; | |||
| 782 | GLuint major, minor; | |||
| 783 | ||||
| 784 | REQUEST_SIZE_MATCH(xGLXQueryVersionReq)if ((sizeof(xGLXQueryVersionReq) >> 2) != client->req_len ) return(16); | |||
| 785 | ||||
| 786 | major = req->majorVersion; | |||
| 787 | minor = req->minorVersion; | |||
| 788 | (void) major; | |||
| 789 | (void) minor; | |||
| 790 | ||||
| 791 | /* | |||
| 792 | ** Server should take into consideration the version numbers sent by the | |||
| 793 | ** client if it wants to work with older clients; however, in this | |||
| 794 | ** implementation the server just returns its version number. | |||
| 795 | */ | |||
| 796 | reply = (xGLXQueryVersionReply) { | |||
| 797 | .type = X_Reply1, | |||
| 798 | .sequenceNumber = client->sequence, | |||
| 799 | .length = 0, | |||
| 800 | .majorVersion = glxMajorVersion, | |||
| 801 | .minorVersion = glxMinorVersion | |||
| 802 | }; | |||
| 803 | ||||
| 804 | if (client->swapped) { | |||
| 805 | __glXSwapQueryVersionReply(client, &reply); | |||
| 806 | } | |||
| 807 | else { | |||
| 808 | WriteToClient(client, sz_xGLXQueryVersionReply32, &reply); | |||
| 809 | } | |||
| 810 | return Success0; | |||
| 811 | } | |||
| 812 | ||||
| 813 | int | |||
| 814 | __glXDisp_WaitGL(__GLXclientState * cl, GLbyte * pc) | |||
| 815 | { | |||
| 816 | ClientPtr client = cl->client; | |||
| 817 | xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; | |||
| 818 | GLXContextTag tag; | |||
| 819 | __GLXcontext *glxc = NULL((void*)0); | |||
| 820 | int error; | |||
| 821 | ||||
| 822 | REQUEST_SIZE_MATCH(xGLXWaitGLReq)if ((sizeof(xGLXWaitGLReq) >> 2) != client->req_len) return(16); | |||
| 823 | ||||
| 824 | tag = req->contextTag; | |||
| 825 | if (tag) { | |||
| 826 | glxc = __glXLookupContextByTag(cl, tag); | |||
| 827 | if (!glxc) | |||
| 828 | return __glXError(GLXBadContextTag4); | |||
| 829 | ||||
| 830 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
| 831 | return error; | |||
| 832 | ||||
| 833 | glFinish(); | |||
| 834 | } | |||
| 835 | ||||
| 836 | if (glxc && glxc->drawPriv->waitGL) | |||
| 837 | (*glxc->drawPriv->waitGL) (glxc->drawPriv); | |||
| 838 | ||||
| 839 | return Success0; | |||
| 840 | } | |||
| 841 | ||||
| 842 | int | |||
| 843 | __glXDisp_WaitX(__GLXclientState * cl, GLbyte * pc) | |||
| 844 | { | |||
| 845 | ClientPtr client = cl->client; | |||
| 846 | xGLXWaitXReq *req = (xGLXWaitXReq *) pc; | |||
| 847 | GLXContextTag tag; | |||
| 848 | __GLXcontext *glxc = NULL((void*)0); | |||
| 849 | int error; | |||
| 850 | ||||
| 851 | REQUEST_SIZE_MATCH(xGLXWaitXReq)if ((sizeof(xGLXWaitXReq) >> 2) != client->req_len) return (16); | |||
| 852 | ||||
| 853 | tag = req->contextTag; | |||
| 854 | if (tag) { | |||
| 855 | glxc = __glXLookupContextByTag(cl, tag); | |||
| 856 | if (!glxc) | |||
| 857 | return __glXError(GLXBadContextTag4); | |||
| 858 | ||||
| 859 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
| 860 | return error; | |||
| 861 | } | |||
| 862 | ||||
| 863 | if (glxc && glxc->drawPriv->waitX) | |||
| 864 | (*glxc->drawPriv->waitX) (glxc->drawPriv); | |||
| 865 | ||||
| 866 | return Success0; | |||
| 867 | } | |||
| 868 | ||||
| 869 | int | |||
| 870 | __glXDisp_CopyContext(__GLXclientState * cl, GLbyte * pc) | |||
| 871 | { | |||
| 872 | ClientPtr client = cl->client; | |||
| 873 | xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; | |||
| 874 | GLXContextID source; | |||
| 875 | GLXContextID dest; | |||
| 876 | GLXContextTag tag; | |||
| 877 | unsigned long mask; | |||
| 878 | __GLXcontext *src, *dst; | |||
| 879 | int error; | |||
| 880 | ||||
| 881 | REQUEST_SIZE_MATCH(xGLXCopyContextReq)if ((sizeof(xGLXCopyContextReq) >> 2) != client->req_len ) return(16); | |||
| 882 | ||||
| 883 | source = req->source; | |||
| 884 | dest = req->dest; | |||
| 885 | tag = req->contextTag; | |||
| 886 | mask = req->mask; | |||
| 887 | if (!validGlxContext(cl->client, source, DixReadAccess(1<<0), &src, &error)) | |||
| 888 | return error; | |||
| 889 | if (!validGlxContext(cl->client, dest, DixWriteAccess(1<<1), &dst, &error)) | |||
| 890 | return error; | |||
| 891 | ||||
| 892 | /* | |||
| 893 | ** They must be in the same address space, and same screen. | |||
| 894 | ** NOTE: no support for direct rendering contexts here. | |||
| 895 | */ | |||
| 896 | if (src->isDirect || dst->isDirect || (src->pGlxScreen != dst->pGlxScreen)) { | |||
| 897 | client->errorValue = source; | |||
| 898 | return BadMatch8; | |||
| 899 | } | |||
| 900 | ||||
| 901 | /* | |||
| 902 | ** The destination context must not be current for any client. | |||
| 903 | */ | |||
| 904 | if (dst->currentClient) { | |||
| 905 | client->errorValue = dest; | |||
| 906 | return BadAccess10; | |||
| 907 | } | |||
| 908 | ||||
| 909 | if (tag) { | |||
| 910 | __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); | |||
| 911 | ||||
| 912 | if (!tagcx) { | |||
| 913 | return __glXError(GLXBadContextTag4); | |||
| 914 | } | |||
| 915 | if (tagcx != src) { | |||
| 916 | /* | |||
| 917 | ** This would be caused by a faulty implementation of the client | |||
| 918 | ** library. | |||
| 919 | */ | |||
| 920 | return BadMatch8; | |||
| 921 | } | |||
| 922 | /* | |||
| 923 | ** In this case, glXCopyContext is in both GL and X streams, in terms | |||
| 924 | ** of sequentiality. | |||
| 925 | */ | |||
| 926 | if (__glXForceCurrent(cl, tag, &error)) { | |||
| 927 | /* | |||
| 928 | ** Do whatever is needed to make sure that all preceding requests | |||
| 929 | ** in both streams are completed before the copy is executed. | |||
| 930 | */ | |||
| 931 | glFinish(); | |||
| 932 | tagcx->hasUnflushedCommands = GL_FALSE0x0; | |||
| 933 | } | |||
| 934 | else { | |||
| 935 | return error; | |||
| 936 | } | |||
| 937 | } | |||
| 938 | /* | |||
| 939 | ** Issue copy. The only reason for failure is a bad mask. | |||
| 940 | */ | |||
| 941 | if (!(*dst->copy) (dst, src, mask)) { | |||
| 942 | client->errorValue = mask; | |||
| 943 | return BadValue2; | |||
| 944 | } | |||
| 945 | return Success0; | |||
| 946 | } | |||
| 947 | ||||
| 948 | enum { | |||
| 949 | GLX_VIS_CONFIG_UNPAIRED = 18, | |||
| 950 | GLX_VIS_CONFIG_PAIRED = 22 | |||
| 951 | }; | |||
| 952 | ||||
| 953 | enum { | |||
| 954 | GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED | |||
| 955 | }; | |||
| 956 | ||||
| 957 | int | |||
| 958 | __glXDisp_GetVisualConfigs(__GLXclientState * cl, GLbyte * pc) | |||
| 959 | { | |||
| 960 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; | |||
| 961 | ClientPtr client = cl->client; | |||
| 962 | xGLXGetVisualConfigsReply reply; | |||
| 963 | __GLXscreen *pGlxScreen; | |||
| 964 | __GLXconfig *modes; | |||
| 965 | CARD32 buf[GLX_VIS_CONFIG_TOTAL]; | |||
| 966 | int p, i, err; | |||
| 967 | ||||
| 968 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
| 969 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
| 970 | ||||
| 971 | REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq)if ((sizeof(xGLXGetVisualConfigsReq) >> 2) != client-> req_len) return(16); | |||
| 972 | ||||
| 973 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 974 | return err; | |||
| 975 | ||||
| 976 | reply = (xGLXGetVisualConfigsReply) { | |||
| 977 | .type = X_Reply1, | |||
| 978 | .sequenceNumber = client->sequence, | |||
| 979 | .length = (pGlxScreen->numVisuals * | |||
| 980 | __GLX_SIZE_CARD324 * GLX_VIS_CONFIG_TOTAL) >> 2, | |||
| 981 | .numVisuals = pGlxScreen->numVisuals, | |||
| 982 | .numProps = GLX_VIS_CONFIG_TOTAL | |||
| 983 | }; | |||
| 984 | ||||
| 985 | if (client->swapped) { | |||
| 986 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
| 987 | __GLX_SWAP_INT(&reply.length)sw = ((GLbyte *)(&reply.length))[0]; ((GLbyte *)(&reply .length))[0] = ((GLbyte *)(&reply.length))[3]; ((GLbyte * )(&reply.length))[3] = sw; sw = ((GLbyte *)(&reply.length ))[1]; ((GLbyte *)(&reply.length))[1] = ((GLbyte *)(& reply.length))[2]; ((GLbyte *)(&reply.length))[2] = sw;; | |||
| 988 | __GLX_SWAP_INT(&reply.numVisuals)sw = ((GLbyte *)(&reply.numVisuals))[0]; ((GLbyte *)(& reply.numVisuals))[0] = ((GLbyte *)(&reply.numVisuals))[3 ]; ((GLbyte *)(&reply.numVisuals))[3] = sw; sw = ((GLbyte *)(&reply.numVisuals))[1]; ((GLbyte *)(&reply.numVisuals ))[1] = ((GLbyte *)(&reply.numVisuals))[2]; ((GLbyte *)(& reply.numVisuals))[2] = sw;; | |||
| 989 | __GLX_SWAP_INT(&reply.numProps)sw = ((GLbyte *)(&reply.numProps))[0]; ((GLbyte *)(&reply .numProps))[0] = ((GLbyte *)(&reply.numProps))[3]; ((GLbyte *)(&reply.numProps))[3] = sw; sw = ((GLbyte *)(&reply .numProps))[1]; ((GLbyte *)(&reply.numProps))[1] = ((GLbyte *)(&reply.numProps))[2]; ((GLbyte *)(&reply.numProps ))[2] = sw;; | |||
| 990 | } | |||
| 991 | ||||
| 992 | WriteToClient(client, sz_xGLXGetVisualConfigsReply32, &reply); | |||
| 993 | ||||
| 994 | for (i = 0; i < pGlxScreen->numVisuals; i++) { | |||
| 995 | modes = pGlxScreen->visuals[i]; | |||
| 996 | ||||
| 997 | p = 0; | |||
| 998 | buf[p++] = modes->visualID; | |||
| 999 | buf[p++] = glxConvertToXVisualType(modes->visualType); | |||
| 1000 | buf[p++] = (modes->renderType & GLX_RGBA_BIT0x00000001) ? GL_TRUE0x1 : GL_FALSE0x0; | |||
| 1001 | ||||
| 1002 | buf[p++] = modes->redBits; | |||
| 1003 | buf[p++] = modes->greenBits; | |||
| 1004 | buf[p++] = modes->blueBits; | |||
| 1005 | buf[p++] = modes->alphaBits; | |||
| 1006 | buf[p++] = modes->accumRedBits; | |||
| 1007 | buf[p++] = modes->accumGreenBits; | |||
| 1008 | buf[p++] = modes->accumBlueBits; | |||
| 1009 | buf[p++] = modes->accumAlphaBits; | |||
| 1010 | ||||
| 1011 | buf[p++] = modes->doubleBufferMode; | |||
| 1012 | buf[p++] = modes->stereoMode; | |||
| 1013 | ||||
| 1014 | buf[p++] = modes->rgbBits; | |||
| 1015 | buf[p++] = modes->depthBits; | |||
| 1016 | buf[p++] = modes->stencilBits; | |||
| 1017 | buf[p++] = modes->numAuxBuffers; | |||
| 1018 | buf[p++] = modes->level; | |||
| 1019 | ||||
| 1020 | assert(p == GLX_VIS_CONFIG_UNPAIRED)(__builtin_expect(!(p == GLX_VIS_CONFIG_UNPAIRED), 0) ? __assert_rtn (__func__, "glxcmds.c", 1020, "p == GLX_VIS_CONFIG_UNPAIRED") : (void)0); | |||
| 1021 | /* | |||
| 1022 | ** Add token/value pairs for extensions. | |||
| 1023 | */ | |||
| 1024 | buf[p++] = GLX_VISUAL_CAVEAT_EXT0x20; | |||
| 1025 | buf[p++] = modes->visualRating; | |||
| 1026 | buf[p++] = GLX_TRANSPARENT_TYPE0x23; | |||
| 1027 | buf[p++] = modes->transparentPixel; | |||
| 1028 | buf[p++] = GLX_TRANSPARENT_RED_VALUE0x25; | |||
| 1029 | buf[p++] = modes->transparentRed; | |||
| 1030 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE0x26; | |||
| 1031 | buf[p++] = modes->transparentGreen; | |||
| 1032 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE0x27; | |||
| 1033 | buf[p++] = modes->transparentBlue; | |||
| 1034 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE0x28; | |||
| 1035 | buf[p++] = modes->transparentAlpha; | |||
| 1036 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE0x24; | |||
| 1037 | buf[p++] = modes->transparentIndex; | |||
| 1038 | buf[p++] = GLX_SAMPLES_SGIS100001; | |||
| 1039 | buf[p++] = modes->samples; | |||
| 1040 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS100000; | |||
| 1041 | buf[p++] = modes->sampleBuffers; | |||
| 1042 | /* Add attribute only if its value is not default. */ | |||
| 1043 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
| 1044 | buf[p++] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT0x20B2; | |||
| 1045 | buf[p++] = modes->sRGBCapable; | |||
| 1046 | } | |||
| 1047 | /* Don't add visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? | |||
| 1048 | * Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
| 1049 | while (p < GLX_VIS_CONFIG_TOTAL) { | |||
| 1050 | buf[p++] = 0; | |||
| 1051 | buf[p++] = 0; | |||
| 1052 | } | |||
| 1053 | ||||
| 1054 | assert(p == GLX_VIS_CONFIG_TOTAL)(__builtin_expect(!(p == GLX_VIS_CONFIG_TOTAL), 0) ? __assert_rtn (__func__, "glxcmds.c", 1054, "p == GLX_VIS_CONFIG_TOTAL") : ( void)0); | |||
| 1055 | if (client->swapped) { | |||
| 1056 | __GLX_SWAP_INT_ARRAY(buf, p)swapPC = ((GLbyte *)(buf)); swapEnd = ((GLbyte *)(buf)) + (p) *4; while (swapPC < swapEnd) { sw = ((GLbyte *)(swapPC))[0 ]; ((GLbyte *)(swapPC))[0] = ((GLbyte *)(swapPC))[3]; ((GLbyte *)(swapPC))[3] = sw; sw = ((GLbyte *)(swapPC))[1]; ((GLbyte * )(swapPC))[1] = ((GLbyte *)(swapPC))[2]; ((GLbyte *)(swapPC)) [2] = sw;; swapPC += 4; }; | |||
| 1057 | } | |||
| 1058 | WriteToClient(client, __GLX_SIZE_CARD324 * p, buf); | |||
| 1059 | } | |||
| 1060 | return Success0; | |||
| 1061 | } | |||
| 1062 | ||||
| 1063 | #define __GLX_TOTAL_FBCONFIG_ATTRIBS(44) (44) | |||
| 1064 | #define __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) (__GLX_TOTAL_FBCONFIG_ATTRIBS(44) * 2) | |||
| 1065 | /** | |||
| 1066 | * Send the set of GLXFBConfigs to the client. There is not currently | |||
| 1067 | * and interface into the driver on the server-side to get GLXFBConfigs, | |||
| 1068 | * so we "invent" some based on the \c __GLXvisualConfig structures that | |||
| 1069 | * the driver does supply. | |||
| 1070 | * | |||
| 1071 | * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX | |||
| 1072 | * is the same, so this routine pulls double duty. | |||
| 1073 | */ | |||
| 1074 | ||||
| 1075 | static int | |||
| 1076 | DoGetFBConfigs(__GLXclientState * cl, unsigned screen) | |||
| 1077 | { | |||
| 1078 | ClientPtr client = cl->client; | |||
| 1079 | xGLXGetFBConfigsReply reply; | |||
| 1080 | __GLXscreen *pGlxScreen; | |||
| 1081 | CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)]; | |||
| 1082 | int p, err; | |||
| 1083 | __GLXconfig *modes; | |||
| 1084 | ||||
| 1085 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
| 1086 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
| 1087 | ||||
| 1088 | if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) | |||
| 1089 | return err; | |||
| 1090 | ||||
| 1091 | reply = (xGLXGetFBConfigsReply) { | |||
| 1092 | .type = X_Reply1, | |||
| 1093 | .sequenceNumber = client->sequence, | |||
| 1094 | .length = __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) * pGlxScreen->numFBConfigs, | |||
| 1095 | .numFBConfigs = pGlxScreen->numFBConfigs, | |||
| 1096 | .numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS(44) | |||
| 1097 | }; | |||
| 1098 | ||||
| 1099 | if (client->swapped) { | |||
| 1100 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
| 1101 | __GLX_SWAP_INT(&reply.length)sw = ((GLbyte *)(&reply.length))[0]; ((GLbyte *)(&reply .length))[0] = ((GLbyte *)(&reply.length))[3]; ((GLbyte * )(&reply.length))[3] = sw; sw = ((GLbyte *)(&reply.length ))[1]; ((GLbyte *)(&reply.length))[1] = ((GLbyte *)(& reply.length))[2]; ((GLbyte *)(&reply.length))[2] = sw;; | |||
| 1102 | __GLX_SWAP_INT(&reply.numFBConfigs)sw = ((GLbyte *)(&reply.numFBConfigs))[0]; ((GLbyte *)(& reply.numFBConfigs))[0] = ((GLbyte *)(&reply.numFBConfigs ))[3]; ((GLbyte *)(&reply.numFBConfigs))[3] = sw; sw = (( GLbyte *)(&reply.numFBConfigs))[1]; ((GLbyte *)(&reply .numFBConfigs))[1] = ((GLbyte *)(&reply.numFBConfigs))[2] ; ((GLbyte *)(&reply.numFBConfigs))[2] = sw;; | |||
| 1103 | __GLX_SWAP_INT(&reply.numAttribs)sw = ((GLbyte *)(&reply.numAttribs))[0]; ((GLbyte *)(& reply.numAttribs))[0] = ((GLbyte *)(&reply.numAttribs))[3 ]; ((GLbyte *)(&reply.numAttribs))[3] = sw; sw = ((GLbyte *)(&reply.numAttribs))[1]; ((GLbyte *)(&reply.numAttribs ))[1] = ((GLbyte *)(&reply.numAttribs))[2]; ((GLbyte *)(& reply.numAttribs))[2] = sw;; | |||
| 1104 | } | |||
| 1105 | ||||
| 1106 | WriteToClient(client, sz_xGLXGetFBConfigsReply32, &reply); | |||
| 1107 | ||||
| 1108 | for (modes = pGlxScreen->fbconfigs; modes != NULL((void*)0); modes = modes->next) { | |||
| 1109 | p = 0; | |||
| 1110 | ||||
| 1111 | #define WRITE_PAIR(tag,value)do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) \ | |||
| 1112 | do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) | |||
| 1113 | ||||
| 1114 | WRITE_PAIR(GLX_VISUAL_ID, modes->visualID)do { buf[p++] = 0x800B ; buf[p++] = modes->visualID ; } while ( 0 ); | |||
| 1115 | WRITE_PAIR(GLX_FBCONFIG_ID, modes->fbconfigID)do { buf[p++] = 0x8013 ; buf[p++] = modes->fbconfigID ; } while ( 0 ); | |||
| 1116 | WRITE_PAIR(GLX_X_RENDERABLE, GL_TRUE)do { buf[p++] = 0x8012 ; buf[p++] = 0x1 ; } while( 0 ); | |||
| 1117 | ||||
| 1118 | WRITE_PAIR(GLX_RGBA,do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ) | |||
| 1119 | (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE)do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ); | |||
| 1120 | WRITE_PAIR(GLX_RENDER_TYPE, modes->renderType)do { buf[p++] = 0x8011 ; buf[p++] = modes->renderType ; } while ( 0 ); | |||
| 1121 | WRITE_PAIR(GLX_DOUBLEBUFFER, modes->doubleBufferMode)do { buf[p++] = 5 ; buf[p++] = modes->doubleBufferMode ; } while( 0 ); | |||
| 1122 | WRITE_PAIR(GLX_STEREO, modes->stereoMode)do { buf[p++] = 6 ; buf[p++] = modes->stereoMode ; } while ( 0 ); | |||
| 1123 | ||||
| 1124 | WRITE_PAIR(GLX_BUFFER_SIZE, modes->rgbBits)do { buf[p++] = 2 ; buf[p++] = modes->rgbBits ; } while( 0 ); | |||
| 1125 | WRITE_PAIR(GLX_LEVEL, modes->level)do { buf[p++] = 3 ; buf[p++] = modes->level ; } while( 0 ); | |||
| 1126 | WRITE_PAIR(GLX_AUX_BUFFERS, modes->numAuxBuffers)do { buf[p++] = 7 ; buf[p++] = modes->numAuxBuffers ; } while ( 0 ); | |||
| 1127 | WRITE_PAIR(GLX_RED_SIZE, modes->redBits)do { buf[p++] = 8 ; buf[p++] = modes->redBits ; } while( 0 ); | |||
| 1128 | WRITE_PAIR(GLX_GREEN_SIZE, modes->greenBits)do { buf[p++] = 9 ; buf[p++] = modes->greenBits ; } while( 0 ); | |||
| 1129 | WRITE_PAIR(GLX_BLUE_SIZE, modes->blueBits)do { buf[p++] = 10 ; buf[p++] = modes->blueBits ; } while( 0 ); | |||
| 1130 | WRITE_PAIR(GLX_ALPHA_SIZE, modes->alphaBits)do { buf[p++] = 11 ; buf[p++] = modes->alphaBits ; } while ( 0 ); | |||
| 1131 | WRITE_PAIR(GLX_ACCUM_RED_SIZE, modes->accumRedBits)do { buf[p++] = 14 ; buf[p++] = modes->accumRedBits ; } while ( 0 ); | |||
| 1132 | WRITE_PAIR(GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits)do { buf[p++] = 15 ; buf[p++] = modes->accumGreenBits ; } while ( 0 ); | |||
| 1133 | WRITE_PAIR(GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits)do { buf[p++] = 16 ; buf[p++] = modes->accumBlueBits ; } while ( 0 ); | |||
| 1134 | WRITE_PAIR(GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits)do { buf[p++] = 17 ; buf[p++] = modes->accumAlphaBits ; } while ( 0 ); | |||
| 1135 | WRITE_PAIR(GLX_DEPTH_SIZE, modes->depthBits)do { buf[p++] = 12 ; buf[p++] = modes->depthBits ; } while ( 0 ); | |||
| 1136 | WRITE_PAIR(GLX_STENCIL_SIZE, modes->stencilBits)do { buf[p++] = 13 ; buf[p++] = modes->stencilBits ; } while ( 0 ); | |||
| 1137 | WRITE_PAIR(GLX_X_VISUAL_TYPE, modes->visualType)do { buf[p++] = 0x22 ; buf[p++] = modes->visualType ; } while ( 0 ); | |||
| 1138 | WRITE_PAIR(GLX_CONFIG_CAVEAT, modes->visualRating)do { buf[p++] = 0x20 ; buf[p++] = modes->visualRating ; } while ( 0 ); | |||
| 1139 | WRITE_PAIR(GLX_TRANSPARENT_TYPE, modes->transparentPixel)do { buf[p++] = 0x23 ; buf[p++] = modes->transparentPixel ; } while( 0 ); | |||
| 1140 | WRITE_PAIR(GLX_TRANSPARENT_RED_VALUE, modes->transparentRed)do { buf[p++] = 0x25 ; buf[p++] = modes->transparentRed ; } while( 0 ); | |||
| 1141 | WRITE_PAIR(GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen)do { buf[p++] = 0x26 ; buf[p++] = modes->transparentGreen ; } while( 0 ); | |||
| 1142 | WRITE_PAIR(GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue)do { buf[p++] = 0x27 ; buf[p++] = modes->transparentBlue ; } while( 0 ); | |||
| 1143 | WRITE_PAIR(GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha)do { buf[p++] = 0x28 ; buf[p++] = modes->transparentAlpha ; } while( 0 ); | |||
| 1144 | WRITE_PAIR(GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex)do { buf[p++] = 0x24 ; buf[p++] = modes->transparentIndex ; } while( 0 ); | |||
| 1145 | WRITE_PAIR(GLX_SWAP_METHOD_OML, modes->swapMethod)do { buf[p++] = 0x8060 ; buf[p++] = modes->swapMethod ; } while ( 0 ); | |||
| 1146 | WRITE_PAIR(GLX_SAMPLES_SGIS, modes->samples)do { buf[p++] = 100001 ; buf[p++] = modes->samples ; } while ( 0 ); | |||
| 1147 | WRITE_PAIR(GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers)do { buf[p++] = 100000 ; buf[p++] = modes->sampleBuffers ; } while( 0 ); | |||
| 1148 | WRITE_PAIR(GLX_VISUAL_SELECT_GROUP_SGIX, modes->visualSelectGroup)do { buf[p++] = 0x8028 ; buf[p++] = modes->visualSelectGroup ; } while( 0 ); | |||
| 1149 | WRITE_PAIR(GLX_DRAWABLE_TYPE, modes->drawableType)do { buf[p++] = 0x8010 ; buf[p++] = modes->drawableType ; } while( 0 ); | |||
| 1150 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb)do { buf[p++] = 0x20D0 ; buf[p++] = modes->bindToTextureRgb ; } while( 0 ); | |||
| 1151 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba)do { buf[p++] = 0x20D1 ; buf[p++] = modes->bindToTextureRgba ; } while( 0 ); | |||
| 1152 | WRITE_PAIR(GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture)do { buf[p++] = 0x20D2 ; buf[p++] = modes->bindToMipmapTexture ; } while( 0 ); | |||
| 1153 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_TARGETS_EXT,do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ) | |||
| 1154 | modes->bindToTextureTargets)do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ); | |||
| 1155 | /* can't report honestly until mesa is fixed */ | |||
| 1156 | WRITE_PAIR(GLX_Y_INVERTED_EXT, GLX_DONT_CARE)do { buf[p++] = 0x20D4 ; buf[p++] = 0xFFFFFFFF ; } while( 0 ); | |||
| 1157 | if (modes->drawableType & GLX_PBUFFER_BIT0x00000004) { | |||
| 1158 | WRITE_PAIR(GLX_MAX_PBUFFER_WIDTH, modes->maxPbufferWidth)do { buf[p++] = 0x8016 ; buf[p++] = modes->maxPbufferWidth ; } while( 0 ); | |||
| 1159 | WRITE_PAIR(GLX_MAX_PBUFFER_HEIGHT, modes->maxPbufferHeight)do { buf[p++] = 0x8017 ; buf[p++] = modes->maxPbufferHeight ; } while( 0 ); | |||
| 1160 | WRITE_PAIR(GLX_MAX_PBUFFER_PIXELS, modes->maxPbufferPixels)do { buf[p++] = 0x8018 ; buf[p++] = modes->maxPbufferPixels ; } while( 0 ); | |||
| 1161 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_WIDTH_SGIX,do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ) | |||
| 1162 | modes->optimalPbufferWidth)do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ); | |||
| 1163 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX,do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ) | |||
| 1164 | modes->optimalPbufferHeight)do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ); | |||
| 1165 | } | |||
| 1166 | /* Add attribute only if its value is not default. */ | |||
| 1167 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
| 1168 | WRITE_PAIR(GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, modes->sRGBCapable)do { buf[p++] = 0x20B2 ; buf[p++] = modes->sRGBCapable ; } while( 0 ); | |||
| 1169 | } | |||
| 1170 | /* Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
| 1171 | while (p < __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)) { | |||
| 1172 | WRITE_PAIR(0, 0)do { buf[p++] = 0 ; buf[p++] = 0 ; } while( 0 ); | |||
| 1173 | } | |||
| 1174 | assert(p == __GLX_FBCONFIG_ATTRIBS_LENGTH)(__builtin_expect(!(p == ((44) * 2)), 0) ? __assert_rtn(__func__ , "glxcmds.c", 1174, "p == __GLX_FBCONFIG_ATTRIBS_LENGTH") : ( void)0); | |||
| 1175 | ||||
| 1176 | if (client->swapped) { | |||
| 1177 | __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH)swapPC = ((GLbyte *)(buf)); swapEnd = ((GLbyte *)(buf)) + ((( 44) * 2))*4; while (swapPC < swapEnd) { sw = ((GLbyte *)(swapPC ))[0]; ((GLbyte *)(swapPC))[0] = ((GLbyte *)(swapPC))[3]; ((GLbyte *)(swapPC))[3] = sw; sw = ((GLbyte *)(swapPC))[1]; ((GLbyte * )(swapPC))[1] = ((GLbyte *)(swapPC))[2]; ((GLbyte *)(swapPC)) [2] = sw;; swapPC += 4; }; | |||
| 1178 | } | |||
| 1179 | WriteToClient(client, __GLX_SIZE_CARD324 * __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2), | |||
| 1180 | (char *) buf); | |||
| 1181 | } | |||
| 1182 | return Success0; | |||
| 1183 | } | |||
| 1184 | ||||
| 1185 | int | |||
| 1186 | __glXDisp_GetFBConfigs(__GLXclientState * cl, GLbyte * pc) | |||
| 1187 | { | |||
| 1188 | ClientPtr client = cl->client; | |||
| 1189 | xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; | |||
| 1190 | ||||
| 1191 | REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq)if ((sizeof(xGLXGetFBConfigsReq) >> 2) != client->req_len ) return(16); | |||
| 1192 | return DoGetFBConfigs(cl, req->screen); | |||
| 1193 | } | |||
| 1194 | ||||
| 1195 | int | |||
| 1196 | __glXDisp_GetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 1197 | { | |||
| 1198 | ClientPtr client = cl->client; | |||
| 1199 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; | |||
| 1200 | ||||
| 1201 | /* work around mesa bug, don't use REQUEST_SIZE_MATCH */ | |||
| 1202 | REQUEST_AT_LEAST_SIZE(xGLXGetFBConfigsSGIXReq)if ((sizeof(xGLXGetFBConfigsSGIXReq) >> 2) > client-> req_len ) return(16); | |||
| 1203 | return DoGetFBConfigs(cl, req->screen); | |||
| 1204 | } | |||
| 1205 | ||||
| 1206 | GLboolean | |||
| 1207 | __glXDrawableInit(__GLXdrawable * drawable, | |||
| 1208 | __GLXscreen * screen, DrawablePtr pDraw, int type, | |||
| 1209 | XID drawId, __GLXconfig * config) | |||
| 1210 | { | |||
| 1211 | drawable->pDraw = pDraw; | |||
| 1212 | drawable->type = type; | |||
| 1213 | drawable->drawId = drawId; | |||
| 1214 | drawable->config = config; | |||
| 1215 | drawable->eventMask = 0; | |||
| 1216 | ||||
| 1217 | return GL_TRUE0x1; | |||
| 1218 | } | |||
| 1219 | ||||
| 1220 | void | |||
| 1221 | __glXDrawableRelease(__GLXdrawable * drawable) | |||
| 1222 | { | |||
| 1223 | } | |||
| 1224 | ||||
| 1225 | static int | |||
| 1226 | DoCreateGLXDrawable(ClientPtr client, __GLXscreen * pGlxScreen, | |||
| 1227 | __GLXconfig * config, DrawablePtr pDraw, XID drawableId, | |||
| 1228 | XID glxDrawableId, int type) | |||
| 1229 | { | |||
| 1230 | __GLXdrawable *pGlxDraw; | |||
| 1231 | ||||
| 1232 | if (pGlxScreen->pScreen != pDraw->pScreen) | |||
| 1233 | return BadMatch8; | |||
| 1234 | ||||
| 1235 | pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, | |||
| 1236 | drawableId, type, | |||
| 1237 | glxDrawableId, config); | |||
| 1238 | if (pGlxDraw == NULL((void*)0)) | |||
| 1239 | return BadAlloc11; | |||
| 1240 | ||||
| 1241 | if (!AddResourceDarwin_X_AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) | |||
| 1242 | return BadAlloc11; | |||
| 1243 | ||||
| 1244 | /* | |||
| 1245 | * Windows aren't refcounted, so track both the X and the GLX window | |||
| 1246 | * so we get called regardless of destruction order. | |||
| 1247 | */ | |||
| 1248 | if (drawableId != glxDrawableId && type == GLX_DRAWABLE_WINDOW && | |||
| 1249 | !AddResourceDarwin_X_AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) | |||
| 1250 | return BadAlloc11; | |||
| 1251 | ||||
| 1252 | return Success0; | |||
| 1253 | } | |||
| 1254 | ||||
| 1255 | static int | |||
| 1256 | DoCreateGLXPixmap(ClientPtr client, __GLXscreen * pGlxScreen, | |||
| 1257 | __GLXconfig * config, XID drawableId, XID glxDrawableId) | |||
| 1258 | { | |||
| 1259 | DrawablePtr pDraw; | |||
| 1260 | int err; | |||
| 1261 | ||||
| 1262 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
| 1263 | ||||
| 1264 | err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess(1<<12)); | |||
| 1265 | if (err != Success0) { | |||
| 1266 | client->errorValue = drawableId; | |||
| 1267 | return err; | |||
| 1268 | } | |||
| 1269 | if (pDraw->type != DRAWABLE_PIXMAP1) { | |||
| 1270 | client->errorValue = drawableId; | |||
| 1271 | return BadPixmap4; | |||
| 1272 | } | |||
| 1273 | ||||
| 1274 | err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, | |||
| 1275 | glxDrawableId, GLX_DRAWABLE_PIXMAP); | |||
| 1276 | ||||
| 1277 | if (err == Success0) | |||
| 1278 | ((PixmapPtr) pDraw)->refcnt++; | |||
| 1279 | ||||
| 1280 | return err; | |||
| 1281 | } | |||
| 1282 | ||||
| 1283 | static void | |||
| 1284 | determineTextureTarget(ClientPtr client, XID glxDrawableID, | |||
| 1285 | CARD32 *attribs, CARD32 numAttribs) | |||
| 1286 | { | |||
| 1287 | GLenum target = 0; | |||
| 1288 | GLenum format = 0; | |||
| 1289 | int i, err; | |||
| 1290 | __GLXdrawable *pGlxDraw; | |||
| 1291 | ||||
| 1292 | if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, | |||
| 1293 | DixWriteAccess(1<<1), &pGlxDraw, &err)) | |||
| 1294 | /* We just added it in CreatePixmap, so we should never get here. */ | |||
| 1295 | return; | |||
| 1296 | ||||
| 1297 | for (i = 0; i < numAttribs; i++) { | |||
| 1298 | if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT0x20D6) { | |||
| 1299 | switch (attribs[2 * i + 1]) { | |||
| 1300 | case GLX_TEXTURE_2D_EXT0x20DC: | |||
| 1301 | target = GL_TEXTURE_2D0x0DE1; | |||
| 1302 | break; | |||
| 1303 | case GLX_TEXTURE_RECTANGLE_EXT0x20DD: | |||
| 1304 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
| 1305 | break; | |||
| 1306 | } | |||
| 1307 | } | |||
| 1308 | ||||
| 1309 | if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT0x20D5) | |||
| 1310 | format = attribs[2 * i + 1]; | |||
| 1311 | } | |||
| 1312 | ||||
| 1313 | if (!target) { | |||
| 1314 | int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; | |||
| 1315 | ||||
| 1316 | if (h & (h - 1) || w & (w - 1)) | |||
| 1317 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
| 1318 | else | |||
| 1319 | target = GL_TEXTURE_2D0x0DE1; | |||
| 1320 | } | |||
| 1321 | ||||
| 1322 | pGlxDraw->target = target; | |||
| 1323 | pGlxDraw->format = format; | |||
| 1324 | } | |||
| 1325 | ||||
| 1326 | int | |||
| 1327 | __glXDisp_CreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
| 1328 | { | |||
| 1329 | ClientPtr client = cl->client; | |||
| 1330 | xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; | |||
| 1331 | __GLXconfig *config; | |||
| 1332 | __GLXscreen *pGlxScreen; | |||
| 1333 | int err; | |||
| 1334 | ||||
| 1335 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq)if ((sizeof(xGLXCreateGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
| 1336 | ||||
| 1337 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 1338 | return err; | |||
| 1339 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
| 1340 | return err; | |||
| 1341 | ||||
| 1342 | return DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
| 1343 | req->pixmap, req->glxpixmap); | |||
| 1344 | } | |||
| 1345 | ||||
| 1346 | int | |||
| 1347 | __glXDisp_CreatePixmap(__GLXclientState * cl, GLbyte * pc) | |||
| 1348 | { | |||
| 1349 | ClientPtr client = cl->client; | |||
| 1350 | xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; | |||
| 1351 | __GLXconfig *config; | |||
| 1352 | __GLXscreen *pGlxScreen; | |||
| 1353 | int err; | |||
| 1354 | ||||
| 1355 | REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq)if ((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len ) return(16); | |||
| 1356 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| 1357 | client->errorValue = req->numAttribs; | |||
| 1358 | return BadValue2; | |||
| 1359 | } | |||
| 1360 | REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3)if (((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreatePixmapReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
| 1361 | ||||
| 1362 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 1363 | return err; | |||
| 1364 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
| 1365 | return err; | |||
| 1366 | ||||
| 1367 | err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
| 1368 | req->pixmap, req->glxpixmap); | |||
| 1369 | if (err != Success0) | |||
| 1370 | return err; | |||
| 1371 | ||||
| 1372 | determineTextureTarget(cl->client, req->glxpixmap, | |||
| 1373 | (CARD32 *) (req + 1), req->numAttribs); | |||
| 1374 | ||||
| 1375 | return Success0; | |||
| 1376 | } | |||
| 1377 | ||||
| 1378 | int | |||
| 1379 | __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 1380 | { | |||
| 1381 | ClientPtr client = cl->client; | |||
| 1382 | xGLXCreateGLXPixmapWithConfigSGIXReq *req = | |||
| 1383 | (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; | |||
| 1384 | __GLXconfig *config; | |||
| 1385 | __GLXscreen *pGlxScreen; | |||
| 1386 | int err; | |||
| 1387 | ||||
| 1388 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq)if ((sizeof(xGLXCreateGLXPixmapWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
| 1389 | ||||
| 1390 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
| 1391 | return err; | |||
| 1392 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
| 1393 | return err; | |||
| 1394 | ||||
| 1395 | return DoCreateGLXPixmap(cl->client, pGlxScreen, | |||
| 1396 | config, req->pixmap, req->glxpixmap); | |||
| 1397 | } | |||
| 1398 | ||||
| 1399 | static int | |||
| 1400 | DoDestroyDrawable(__GLXclientState * cl, XID glxdrawable, int type) | |||
| 1401 | { | |||
| 1402 | __GLXdrawable *pGlxDraw; | |||
| 1403 | int err; | |||
| 1404 | ||||
| 1405 | if (!validGlxDrawable(cl->client, glxdrawable, type, | |||
| 1406 | DixDestroyAccess(1<<2), &pGlxDraw, &err)) | |||
| 1407 | return err; | |||
| 1408 | ||||
| 1409 | FreeResource(glxdrawable, FALSE0); | |||
| 1410 | ||||
| 1411 | return Success0; | |||
| 1412 | } | |||
| 1413 | ||||
| 1414 | int | |||
| 1415 | __glXDisp_DestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
| 1416 | { | |||
| 1417 | ClientPtr client = cl->client; | |||
| 1418 | xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; | |||
| 1419 | ||||
| 1420 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq)if ((sizeof(xGLXDestroyGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
| 1421 | ||||
| 1422 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
| 1423 | } | |||
| 1424 | ||||
| 1425 | int | |||
| 1426 | __glXDisp_DestroyPixmap(__GLXclientState * cl, GLbyte * pc) | |||
| 1427 | { | |||
| 1428 | ClientPtr client = cl->client; | |||
| 1429 | xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; | |||
| 1430 | ||||
| 1431 | /* should be REQUEST_SIZE_MATCH, but mesa's glXDestroyPixmap used to set | |||
| 1432 | * length to 3 instead of 2 */ | |||
| 1433 | REQUEST_AT_LEAST_SIZE(xGLXDestroyPixmapReq)if ((sizeof(xGLXDestroyPixmapReq) >> 2) > client-> req_len ) return(16); | |||
| 1434 | ||||
| 1435 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
| 1436 | } | |||
| 1437 | ||||
| 1438 | static int | |||
| 1439 | DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, | |||
| 1440 | int width, int height, XID glxDrawableId) | |||
| 1441 | { | |||
| 1442 | __GLXconfig *config; | |||
| 1443 | __GLXscreen *pGlxScreen; | |||
| 1444 | PixmapPtr pPixmap; | |||
| 1445 | int err; | |||
| 1446 | ||||
| 1447 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
| 1448 | ||||
| 1449 | if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) | |||
| 1450 | return err; | |||
| 1451 | if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) | |||
| 1452 | return err; | |||
| 1453 | ||||
| 1454 | __glXenterServer(GL_FALSE0x0); | |||
| 1455 | pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, | |||
| 1456 | width, height, | |||
| 1457 | config->rgbBits, 0); | |||
| 1458 | __glXleaveServer(GL_FALSE0x0); | |||
| 1459 | if (!pPixmap) | |||
| 1460 | return BadAlloc11; | |||
| 1461 | ||||
| 1462 | /* Assign the pixmap the same id as the pbuffer and add it as a | |||
| 1463 | * resource so it and the DRI2 drawable will be reclaimed when the | |||
| 1464 | * pbuffer is destroyed. */ | |||
| 1465 | pPixmap->drawable.id = glxDrawableId; | |||
| 1466 | if (!AddResourceDarwin_X_AddResource(pPixmap->drawable.id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), pPixmap)) | |||
| 1467 | return BadAlloc11; | |||
| 1468 | ||||
| 1469 | return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, | |||
| 1470 | glxDrawableId, glxDrawableId, | |||
| 1471 | GLX_DRAWABLE_PBUFFER); | |||
| 1472 | } | |||
| 1473 | ||||
| 1474 | int | |||
| 1475 | __glXDisp_CreatePbuffer(__GLXclientState * cl, GLbyte * pc) | |||
| 1476 | { | |||
| 1477 | ClientPtr client = cl->client; | |||
| 1478 | xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; | |||
| 1479 | CARD32 *attrs; | |||
| 1480 | int width, height, i; | |||
| 1481 | ||||
| 1482 | REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq)if ((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len ) return(16); | |||
| 1483 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| 1484 | client->errorValue = req->numAttribs; | |||
| 1485 | return BadValue2; | |||
| 1486 | } | |||
| 1487 | REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3)if (((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreatePbufferReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
| 1488 | ||||
| 1489 | attrs = (CARD32 *) (req + 1); | |||
| 1490 | width = 0; | |||
| 1491 | height = 0; | |||
| 1492 | ||||
| 1493 | for (i = 0; i < req->numAttribs; i++) { | |||
| 1494 | switch (attrs[i * 2]) { | |||
| 1495 | case GLX_PBUFFER_WIDTH0x8041: | |||
| 1496 | width = attrs[i * 2 + 1]; | |||
| 1497 | break; | |||
| 1498 | case GLX_PBUFFER_HEIGHT0x8040: | |||
| 1499 | height = attrs[i * 2 + 1]; | |||
| 1500 | break; | |||
| 1501 | case GLX_LARGEST_PBUFFER0x801C: | |||
| 1502 | /* FIXME: huh... */ | |||
| 1503 | break; | |||
| 1504 | } | |||
| 1505 | } | |||
| 1506 | ||||
| 1507 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
| 1508 | width, height, req->pbuffer); | |||
| 1509 | } | |||
| 1510 | ||||
| 1511 | int | |||
| 1512 | __glXDisp_CreateGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 1513 | { | |||
| 1514 | ClientPtr client = cl->client; | |||
| 1515 | xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; | |||
| 1516 | ||||
| 1517 | REQUEST_AT_LEAST_SIZE(xGLXCreateGLXPbufferSGIXReq)if ((sizeof(xGLXCreateGLXPbufferSGIXReq) >> 2) > client ->req_len ) return(16); | |||
| 1518 | ||||
| 1519 | /* | |||
| 1520 | * We should really handle attributes correctly, but this extension | |||
| 1521 | * is so rare I have difficulty caring. | |||
| 1522 | */ | |||
| 1523 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
| 1524 | req->width, req->height, req->pbuffer); | |||
| 1525 | } | |||
| 1526 | ||||
| 1527 | int | |||
| 1528 | __glXDisp_DestroyPbuffer(__GLXclientState * cl, GLbyte * pc) | |||
| 1529 | { | |||
| 1530 | ClientPtr client = cl->client; | |||
| 1531 | xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; | |||
| 1532 | ||||
| 1533 | REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq)if ((sizeof(xGLXDestroyPbufferReq) >> 2) != client-> req_len) return(16); | |||
| 1534 | ||||
| 1535 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
| 1536 | } | |||
| 1537 | ||||
| 1538 | int | |||
| 1539 | __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 1540 | { | |||
| 1541 | ClientPtr client = cl->client; | |||
| 1542 | xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; | |||
| 1543 | ||||
| 1544 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq)if ((sizeof(xGLXDestroyGLXPbufferSGIXReq) >> 2) != client ->req_len) return(16); | |||
| 1545 | ||||
| 1546 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
| 1547 | } | |||
| 1548 | ||||
| 1549 | static int | |||
| 1550 | DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, | |||
| 1551 | int numAttribs, CARD32 *attribs) | |||
| 1552 | { | |||
| 1553 | __GLXdrawable *pGlxDraw; | |||
| 1554 | int i, err; | |||
| 1555 | ||||
| 1556 | if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, | |||
| 1557 | DixSetAttrAccess(1<<5), &pGlxDraw, &err)) | |||
| 1558 | return err; | |||
| 1559 | ||||
| 1560 | for (i = 0; i < numAttribs; i++) { | |||
| 1561 | switch (attribs[i * 2]) { | |||
| 1562 | case GLX_EVENT_MASK0x801F: | |||
| 1563 | /* All we do is to record the event mask so we can send it | |||
| 1564 | * back when queried. We never actually clobber the | |||
| 1565 | * pbuffers, so we never need to send out the event. */ | |||
| 1566 | pGlxDraw->eventMask = attribs[i * 2 + 1]; | |||
| 1567 | break; | |||
| 1568 | } | |||
| 1569 | } | |||
| 1570 | ||||
| 1571 | return Success0; | |||
| 1572 | } | |||
| 1573 | ||||
| 1574 | int | |||
| 1575 | __glXDisp_ChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
| 1576 | { | |||
| 1577 | ClientPtr client = cl->client; | |||
| 1578 | xGLXChangeDrawableAttributesReq *req = | |||
| 1579 | (xGLXChangeDrawableAttributesReq *) pc; | |||
| 1580 | ||||
| 1581 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq)if ((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len ) return(16); | |||
| 1582 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| 1583 | client->errorValue = req->numAttribs; | |||
| 1584 | return BadValue2; | |||
| 1585 | } | |||
| 1586 | #if 0 | |||
| 1587 | /* mesa sends an additional 8 bytes */ | |||
| 1588 | REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3)if (((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXChangeDrawableAttributesReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
| 1589 | #else | |||
| 1590 | if (((sizeof(xGLXChangeDrawableAttributesReq) + | |||
| 1591 | (req->numAttribs << 3)) >> 2) < client->req_len) | |||
| 1592 | return BadLength16; | |||
| 1593 | #endif | |||
| 1594 | ||||
| 1595 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
| 1596 | req->numAttribs, (CARD32 *) (req + 1)); | |||
| 1597 | } | |||
| 1598 | ||||
| 1599 | int | |||
| 1600 | __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 1601 | { | |||
| 1602 | ClientPtr client = cl->client; | |||
| 1603 | xGLXChangeDrawableAttributesSGIXReq *req = | |||
| 1604 | (xGLXChangeDrawableAttributesSGIXReq *) pc; | |||
| 1605 | ||||
| 1606 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq)if ((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len ) return(16); | |||
| 1607 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| 1608 | client->errorValue = req->numAttribs; | |||
| 1609 | return BadValue2; | |||
| 1610 | } | |||
| 1611 | REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq,if (((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len) || (((req->numAttribs << 3 ) >> 2) >= client->req_len) || ((((uint64_t) sizeof (xGLXChangeDrawableAttributesSGIXReq) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t) client->req_len)) return (16) | |||
| 1612 | req->numAttribs << 3)if (((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len) || (((req->numAttribs << 3 ) >> 2) >= client->req_len) || ((((uint64_t) sizeof (xGLXChangeDrawableAttributesSGIXReq) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t) client->req_len)) return (16); | |||
| 1613 | ||||
| 1614 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
| 1615 | req->numAttribs, (CARD32 *) (req + 1)); | |||
| 1616 | } | |||
| 1617 | ||||
| 1618 | int | |||
| 1619 | __glXDisp_CreateWindow(__GLXclientState * cl, GLbyte * pc) | |||
| 1620 | { | |||
| 1621 | xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; | |||
| 1622 | __GLXconfig *config; | |||
| 1623 | __GLXscreen *pGlxScreen; | |||
| 1624 | ClientPtr client = cl->client; | |||
| 1625 | DrawablePtr pDraw; | |||
| 1626 | int err; | |||
| 1627 | ||||
| 1628 | REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq)if ((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len ) return(16); | |||
| 1629 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| ||||
| 1630 | client->errorValue = req->numAttribs; | |||
| 1631 | return BadValue2; | |||
| 1632 | } | |||
| 1633 | REQUEST_FIXED_SIZE(xGLXCreateWindowReq, req->numAttribs << 3)if (((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreateWindowReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
| 1634 | ||||
| 1635 | LEGAL_NEW_RESOURCE(req->glxwindow, client)if (!LegalNewID(req->glxwindow,client)) { client->errorValue = req->glxwindow; return 14; }; | |||
| 1636 | ||||
| 1637 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
| 1638 | return err; | |||
| 1639 | if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) | |||
| 1640 | return err; | |||
| 1641 | ||||
| 1642 | err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess(1<<12)); | |||
| 1643 | if (err != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
| 1644 | client->errorValue = req->window; | |||
| 1645 | return BadWindow3; | |||
| 1646 | } | |||
| 1647 | ||||
| 1648 | if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) | |||
| 1649 | return err; | |||
| 1650 | ||||
| 1651 | return DoCreateGLXDrawable(client, pGlxScreen, config, | |||
| 1652 | pDraw, req->window, | |||
| 1653 | req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
| 1654 | } | |||
| 1655 | ||||
| 1656 | int | |||
| 1657 | __glXDisp_DestroyWindow(__GLXclientState * cl, GLbyte * pc) | |||
| 1658 | { | |||
| 1659 | ClientPtr client = cl->client; | |||
| 1660 | xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; | |||
| 1661 | ||||
| 1662 | /* mesa's glXDestroyWindow used to set length to 3 instead of 2 */ | |||
| 1663 | REQUEST_AT_LEAST_SIZE(xGLXDestroyWindowReq)if ((sizeof(xGLXDestroyWindowReq) >> 2) > client-> req_len ) return(16); | |||
| 1664 | ||||
| 1665 | return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
| 1666 | } | |||
| 1667 | ||||
| 1668 | /*****************************************************************************/ | |||
| 1669 | ||||
| 1670 | /* | |||
| 1671 | ** NOTE: There is no portable implementation for swap buffers as of | |||
| 1672 | ** this time that is of value. Consequently, this code must be | |||
| 1673 | ** implemented by somebody other than SGI. | |||
| 1674 | */ | |||
| 1675 | int | |||
| 1676 | __glXDisp_SwapBuffers(__GLXclientState * cl, GLbyte * pc) | |||
| 1677 | { | |||
| 1678 | ClientPtr client = cl->client; | |||
| 1679 | xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; | |||
| 1680 | GLXContextTag tag; | |||
| 1681 | XID drawId; | |||
| 1682 | __GLXcontext *glxc = NULL((void*)0); | |||
| 1683 | __GLXdrawable *pGlxDraw; | |||
| 1684 | int error; | |||
| 1685 | ||||
| 1686 | REQUEST_SIZE_MATCH(xGLXSwapBuffersReq)if ((sizeof(xGLXSwapBuffersReq) >> 2) != client->req_len ) return(16); | |||
| 1687 | ||||
| 1688 | tag = req->contextTag; | |||
| 1689 | drawId = req->drawable; | |||
| 1690 | if (tag) { | |||
| 1691 | glxc = __glXLookupContextByTag(cl, tag); | |||
| 1692 | if (!glxc) { | |||
| 1693 | return __glXError(GLXBadContextTag4); | |||
| 1694 | } | |||
| 1695 | /* | |||
| 1696 | ** The calling thread is swapping its current drawable. In this case, | |||
| 1697 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
| 1698 | ** sequentiality. | |||
| 1699 | */ | |||
| 1700 | if (__glXForceCurrent(cl, tag, &error)) { | |||
| 1701 | /* | |||
| 1702 | ** Do whatever is needed to make sure that all preceding requests | |||
| 1703 | ** in both streams are completed before the swap is executed. | |||
| 1704 | */ | |||
| 1705 | glFinish(); | |||
| 1706 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
| 1707 | } | |||
| 1708 | else { | |||
| 1709 | return error; | |||
| 1710 | } | |||
| 1711 | } | |||
| 1712 | ||||
| 1713 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
| 1714 | if (pGlxDraw == NULL((void*)0)) | |||
| 1715 | return error; | |||
| 1716 | ||||
| 1717 | if (pGlxDraw->type == DRAWABLE_WINDOW0 && | |||
| 1718 | (*pGlxDraw->swapBuffers) (cl->client, pGlxDraw) == GL_FALSE0x0) | |||
| 1719 | return __glXError(GLXBadDrawable2); | |||
| 1720 | ||||
| 1721 | return Success0; | |||
| 1722 | } | |||
| 1723 | ||||
| 1724 | static int | |||
| 1725 | DoQueryContext(__GLXclientState * cl, GLXContextID gcId) | |||
| 1726 | { | |||
| 1727 | ClientPtr client = cl->client; | |||
| 1728 | __GLXcontext *ctx; | |||
| 1729 | xGLXQueryContextInfoEXTReply reply; | |||
| 1730 | int nProps = 3; | |||
| 1731 | int sendBuf[nProps * 2]; | |||
| 1732 | int nReplyBytes; | |||
| 1733 | int err; | |||
| 1734 | ||||
| 1735 | if (!validGlxContext(cl->client, gcId, DixReadAccess(1<<0), &ctx, &err)) | |||
| 1736 | return err; | |||
| 1737 | ||||
| 1738 | reply = (xGLXQueryContextInfoEXTReply) { | |||
| 1739 | .type = X_Reply1, | |||
| 1740 | .sequenceNumber = client->sequence, | |||
| 1741 | .length = nProps << 1, | |||
| 1742 | .n = nProps | |||
| 1743 | }; | |||
| 1744 | ||||
| 1745 | nReplyBytes = reply.length << 2; | |||
| 1746 | sendBuf[0] = GLX_SHARE_CONTEXT_EXT0x800A; | |||
| 1747 | sendBuf[1] = (int) (ctx->share_id); | |||
| 1748 | sendBuf[2] = GLX_VISUAL_ID_EXT0x800B; | |||
| 1749 | sendBuf[3] = (int) (ctx->config->visualID); | |||
| 1750 | sendBuf[4] = GLX_SCREEN_EXT0x800C; | |||
| 1751 | sendBuf[5] = (int) (ctx->pGlxScreen->pScreen->myNum); | |||
| 1752 | ||||
| 1753 | if (client->swapped) { | |||
| 1754 | __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); | |||
| 1755 | } | |||
| 1756 | else { | |||
| 1757 | WriteToClient(client, sz_xGLXQueryContextInfoEXTReply32, &reply); | |||
| 1758 | WriteToClient(client, nReplyBytes, sendBuf); | |||
| 1759 | } | |||
| 1760 | ||||
| 1761 | return Success0; | |||
| 1762 | } | |||
| 1763 | ||||
| 1764 | int | |||
| 1765 | __glXDisp_QueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) | |||
| 1766 | { | |||
| 1767 | ClientPtr client = cl->client; | |||
| 1768 | xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; | |||
| 1769 | ||||
| 1770 | REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq)if ((sizeof(xGLXQueryContextInfoEXTReq) >> 2) != client ->req_len) return(16); | |||
| 1771 | ||||
| 1772 | return DoQueryContext(cl, req->context); | |||
| 1773 | } | |||
| 1774 | ||||
| 1775 | int | |||
| 1776 | __glXDisp_QueryContext(__GLXclientState * cl, GLbyte * pc) | |||
| 1777 | { | |||
| 1778 | ClientPtr client = cl->client; | |||
| 1779 | xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; | |||
| 1780 | ||||
| 1781 | REQUEST_SIZE_MATCH(xGLXQueryContextReq)if ((sizeof(xGLXQueryContextReq) >> 2) != client->req_len ) return(16); | |||
| 1782 | ||||
| 1783 | return DoQueryContext(cl, req->context); | |||
| 1784 | } | |||
| 1785 | ||||
| 1786 | int | |||
| 1787 | __glXDisp_BindTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
| 1788 | { | |||
| 1789 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
| 1790 | ClientPtr client = cl->client; | |||
| 1791 | __GLXcontext *context; | |||
| 1792 | __GLXdrawable *pGlxDraw; | |||
| 1793 | GLXDrawable drawId; | |||
| 1794 | int buffer; | |||
| 1795 | int error; | |||
| 1796 | CARD32 num_attribs; | |||
| 1797 | ||||
| 1798 | if ((sizeof(xGLXVendorPrivateReq) + 12) >> 2 > client->req_len) | |||
| 1799 | return BadLength16; | |||
| 1800 | ||||
| 1801 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
| 1802 | ||||
| 1803 | drawId = *((CARD32 *) (pc)); | |||
| 1804 | buffer = *((INT32 *) (pc + 4)); | |||
| 1805 | num_attribs = *((CARD32 *) (pc + 8)); | |||
| 1806 | if (num_attribs > (UINT32_MAX4294967295U >> 3)) { | |||
| 1807 | client->errorValue = num_attribs; | |||
| 1808 | return BadValue2; | |||
| 1809 | } | |||
| 1810 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 12 + (num_attribs << 3))if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((12 + (num_attribs << 3)) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXVendorPrivateReq ) + (12 + (num_attribs << 3)) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
| 1811 | ||||
| 1812 | if (buffer != GLX_FRONT_LEFT_EXT0x20DE) | |||
| 1813 | return __glXError(GLXBadPixmap3); | |||
| 1814 | ||||
| 1815 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
| 1816 | if (!context) | |||
| 1817 | return error; | |||
| 1818 | ||||
| 1819 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
| 1820 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
| 1821 | return error; | |||
| 1822 | ||||
| 1823 | if (!context->textureFromPixmap) | |||
| 1824 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
| 1825 | ||||
| 1826 | return context->textureFromPixmap->bindTexImage(context, buffer, pGlxDraw); | |||
| 1827 | } | |||
| 1828 | ||||
| 1829 | int | |||
| 1830 | __glXDisp_ReleaseTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
| 1831 | { | |||
| 1832 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
| 1833 | ClientPtr client = cl->client; | |||
| 1834 | __GLXdrawable *pGlxDraw; | |||
| 1835 | __GLXcontext *context; | |||
| 1836 | GLXDrawable drawId; | |||
| 1837 | int buffer; | |||
| 1838 | int error; | |||
| 1839 | ||||
| 1840 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((8) >> 2) >= client->req_len) || (( ((uint64_t) sizeof(xGLXVendorPrivateReq) + (8) + 3) >> 2 ) != (uint64_t) client->req_len)) return(16); | |||
| 1841 | ||||
| 1842 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
| 1843 | ||||
| 1844 | drawId = *((CARD32 *) (pc)); | |||
| 1845 | buffer = *((INT32 *) (pc + 4)); | |||
| 1846 | ||||
| 1847 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
| 1848 | if (!context) | |||
| 1849 | return error; | |||
| 1850 | ||||
| 1851 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
| 1852 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
| 1853 | return error; | |||
| 1854 | ||||
| 1855 | if (!context->textureFromPixmap) | |||
| 1856 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
| 1857 | ||||
| 1858 | return context->textureFromPixmap->releaseTexImage(context, | |||
| 1859 | buffer, pGlxDraw); | |||
| 1860 | } | |||
| 1861 | ||||
| 1862 | int | |||
| 1863 | __glXDisp_CopySubBufferMESA(__GLXclientState * cl, GLbyte * pc) | |||
| 1864 | { | |||
| 1865 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
| 1866 | GLXContextTag tag = req->contextTag; | |||
| 1867 | __GLXcontext *glxc = NULL((void*)0); | |||
| 1868 | __GLXdrawable *pGlxDraw; | |||
| 1869 | ClientPtr client = cl->client; | |||
| 1870 | GLXDrawable drawId; | |||
| 1871 | int error; | |||
| 1872 | int x, y, width, height; | |||
| 1873 | ||||
| 1874 | (void) client; | |||
| 1875 | (void) req; | |||
| 1876 | ||||
| 1877 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 20)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((20) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (20) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||
| 1878 | ||||
| 1879 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
| 1880 | ||||
| 1881 | drawId = *((CARD32 *) (pc)); | |||
| 1882 | x = *((INT32 *) (pc + 4)); | |||
| 1883 | y = *((INT32 *) (pc + 8)); | |||
| 1884 | width = *((INT32 *) (pc + 12)); | |||
| 1885 | height = *((INT32 *) (pc + 16)); | |||
| 1886 | ||||
| 1887 | if (tag) { | |||
| 1888 | glxc = __glXLookupContextByTag(cl, tag); | |||
| 1889 | if (!glxc) { | |||
| 1890 | return __glXError(GLXBadContextTag4); | |||
| 1891 | } | |||
| 1892 | /* | |||
| 1893 | ** The calling thread is swapping its current drawable. In this case, | |||
| 1894 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
| 1895 | ** sequentiality. | |||
| 1896 | */ | |||
| 1897 | if (__glXForceCurrent(cl, tag, &error)) { | |||
| 1898 | /* | |||
| 1899 | ** Do whatever is needed to make sure that all preceding requests | |||
| 1900 | ** in both streams are completed before the swap is executed. | |||
| 1901 | */ | |||
| 1902 | glFinish(); | |||
| 1903 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
| 1904 | } | |||
| 1905 | else { | |||
| 1906 | return error; | |||
| 1907 | } | |||
| 1908 | } | |||
| 1909 | ||||
| 1910 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
| 1911 | if (!pGlxDraw) | |||
| 1912 | return error; | |||
| 1913 | ||||
| 1914 | if (pGlxDraw == NULL((void*)0) || | |||
| 1915 | pGlxDraw->type != GLX_DRAWABLE_WINDOW || | |||
| 1916 | pGlxDraw->copySubBuffer == NULL((void*)0)) | |||
| 1917 | return __glXError(GLXBadDrawable2); | |||
| 1918 | ||||
| 1919 | (*pGlxDraw->copySubBuffer) (pGlxDraw, x, y, width, height); | |||
| 1920 | ||||
| 1921 | return Success0; | |||
| 1922 | } | |||
| 1923 | ||||
| 1924 | /* hack for old glxext.h */ | |||
| 1925 | #ifndef GLX_STEREO_TREE_EXT0x20F5 | |||
| 1926 | #define GLX_STEREO_TREE_EXT0x20F5 0x20F5 | |||
| 1927 | #endif | |||
| 1928 | ||||
| 1929 | /* | |||
| 1930 | ** Get drawable attributes | |||
| 1931 | */ | |||
| 1932 | static int | |||
| 1933 | DoGetDrawableAttributes(__GLXclientState * cl, XID drawId) | |||
| 1934 | { | |||
| 1935 | ClientPtr client = cl->client; | |||
| 1936 | xGLXGetDrawableAttributesReply reply; | |||
| 1937 | __GLXdrawable *pGlxDraw = NULL((void*)0); | |||
| 1938 | DrawablePtr pDraw; | |||
| 1939 | CARD32 attributes[18]; | |||
| 1940 | int num = 0, error; | |||
| 1941 | ||||
| 1942 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
| 1943 | DixGetAttrAccess(1<<4), &pGlxDraw, &error)) { | |||
| 1944 | /* hack for GLX 1.2 naked windows */ | |||
| 1945 | int err = dixLookupWindow((WindowPtr *)&pDraw, drawId, client, | |||
| 1946 | DixGetAttrAccess(1<<4)); | |||
| 1947 | if (err != Success0) | |||
| 1948 | return error; | |||
| 1949 | } | |||
| 1950 | if (pGlxDraw) | |||
| 1951 | pDraw = pGlxDraw->pDraw; | |||
| 1952 | ||||
| 1953 | #define ATTRIB(a, v) do { \ | |||
| 1954 | attributes[2*num] = (a); \ | |||
| 1955 | attributes[2*num+1] = (v); \ | |||
| 1956 | num++; \ | |||
| 1957 | } while (0) | |||
| 1958 | ||||
| 1959 | ATTRIB(GLX_Y_INVERTED_EXT0x20D4, GL_FALSE0x0); | |||
| 1960 | ATTRIB(GLX_WIDTH0x801D, pDraw->width); | |||
| 1961 | ATTRIB(GLX_HEIGHT0x801E, pDraw->height); | |||
| 1962 | ATTRIB(GLX_SCREEN0x800C, pDraw->pScreen->myNum); | |||
| 1963 | if (pGlxDraw) { | |||
| 1964 | ATTRIB(GLX_TEXTURE_TARGET_EXT0x20D6, | |||
| 1965 | pGlxDraw->target == GL_TEXTURE_2D0x0DE1 ? | |||
| 1966 | GLX_TEXTURE_2D_EXT0x20DC : GLX_TEXTURE_RECTANGLE_EXT0x20DD); | |||
| 1967 | ATTRIB(GLX_EVENT_MASK0x801F, pGlxDraw->eventMask); | |||
| 1968 | ATTRIB(GLX_FBCONFIG_ID0x8013, pGlxDraw->config->fbconfigID); | |||
| 1969 | if (pGlxDraw->type == GLX_DRAWABLE_PBUFFER) { | |||
| 1970 | ATTRIB(GLX_PRESERVED_CONTENTS0x801B, GL_TRUE0x1); | |||
| 1971 | } | |||
| 1972 | if (pGlxDraw->type == GLX_DRAWABLE_WINDOW) { | |||
| 1973 | ATTRIB(GLX_STEREO_TREE_EXT0x20F5, 0); | |||
| 1974 | } | |||
| 1975 | } | |||
| 1976 | #undef ATTRIB | |||
| 1977 | ||||
| 1978 | reply = (xGLXGetDrawableAttributesReply) { | |||
| 1979 | .type = X_Reply1, | |||
| 1980 | .sequenceNumber = client->sequence, | |||
| 1981 | .length = num << 1, | |||
| 1982 | .numAttribs = num | |||
| 1983 | }; | |||
| 1984 | ||||
| 1985 | if (client->swapped) { | |||
| 1986 | __glXSwapGetDrawableAttributesReply(client, &reply, attributes); | |||
| 1987 | } | |||
| 1988 | else { | |||
| 1989 | WriteToClient(client, sz_xGLXGetDrawableAttributesReply32, &reply); | |||
| 1990 | WriteToClient(client, reply.length * sizeof(CARD32), attributes); | |||
| 1991 | } | |||
| 1992 | ||||
| 1993 | return Success0; | |||
| 1994 | } | |||
| 1995 | ||||
| 1996 | int | |||
| 1997 | __glXDisp_GetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
| 1998 | { | |||
| 1999 | ClientPtr client = cl->client; | |||
| 2000 | xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; | |||
| 2001 | ||||
| 2002 | /* this should be REQUEST_SIZE_MATCH, but mesa sends an additional 4 bytes */ | |||
| 2003 | REQUEST_AT_LEAST_SIZE(xGLXGetDrawableAttributesReq)if ((sizeof(xGLXGetDrawableAttributesReq) >> 2) > client ->req_len ) return(16); | |||
| 2004 | ||||
| 2005 | return DoGetDrawableAttributes(cl, req->drawable); | |||
| 2006 | } | |||
| 2007 | ||||
| 2008 | int | |||
| 2009 | __glXDisp_GetDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
| 2010 | { | |||
| 2011 | ClientPtr client = cl->client; | |||
| 2012 | xGLXGetDrawableAttributesSGIXReq *req = | |||
| 2013 | (xGLXGetDrawableAttributesSGIXReq *) pc; | |||
| 2014 | ||||
| 2015 | REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq)if ((sizeof(xGLXGetDrawableAttributesSGIXReq) >> 2) != client ->req_len) return(16); | |||
| 2016 | ||||
| 2017 | return DoGetDrawableAttributes(cl, req->drawable); | |||
| 2018 | } | |||
| 2019 | ||||
| 2020 | /************************************************************************/ | |||
| 2021 | ||||
| 2022 | /* | |||
| 2023 | ** Render and Renderlarge are not in the GLX API. They are used by the GLX | |||
| 2024 | ** client library to send batches of GL rendering commands. | |||
| 2025 | */ | |||
| 2026 | ||||
| 2027 | /* | |||
| 2028 | ** Execute all the drawing commands in a request. | |||
| 2029 | */ | |||
| 2030 | int | |||
| 2031 | __glXDisp_Render(__GLXclientState * cl, GLbyte * pc) | |||
| 2032 | { | |||
| 2033 | xGLXRenderReq *req; | |||
| 2034 | ClientPtr client = cl->client; | |||
| 2035 | int left, cmdlen, error; | |||
| 2036 | int commandsDone; | |||
| 2037 | CARD16 opcode; | |||
| 2038 | __GLXrenderHeader *hdr; | |||
| 2039 | __GLXcontext *glxc; | |||
| 2040 | ||||
| 2041 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
| 2042 | ||||
| 2043 | REQUEST_AT_LEAST_SIZE(xGLXRenderReq)if ((sizeof(xGLXRenderReq) >> 2) > client->req_len ) return(16); | |||
| 2044 | ||||
| 2045 | req = (xGLXRenderReq *) pc; | |||
| 2046 | if (client->swapped) { | |||
| 2047 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
| 2048 | __GLX_SWAP_INT(&req->contextTag)sw = ((GLbyte *)(&req->contextTag))[0]; ((GLbyte *)(& req->contextTag))[0] = ((GLbyte *)(&req->contextTag ))[3]; ((GLbyte *)(&req->contextTag))[3] = sw; sw = (( GLbyte *)(&req->contextTag))[1]; ((GLbyte *)(&req-> contextTag))[1] = ((GLbyte *)(&req->contextTag))[2]; ( (GLbyte *)(&req->contextTag))[2] = sw;; | |||
| 2049 | } | |||
| 2050 | ||||
| 2051 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
| 2052 | if (!glxc) { | |||
| 2053 | return error; | |||
| 2054 | } | |||
| 2055 | ||||
| 2056 | commandsDone = 0; | |||
| 2057 | pc += sz_xGLXRenderReq8; | |||
| 2058 | left = (req->length << 2) - sz_xGLXRenderReq8; | |||
| 2059 | while (left > 0) { | |||
| 2060 | __GLXrenderSizeData entry; | |||
| 2061 | int extra = 0; | |||
| 2062 | __GLXdispatchRenderProcPtr proc; | |||
| 2063 | int err; | |||
| 2064 | ||||
| 2065 | if (left < sizeof(__GLXrenderHeader)) | |||
| 2066 | return BadLength16; | |||
| 2067 | ||||
| 2068 | /* | |||
| 2069 | ** Verify that the header length and the overall length agree. | |||
| 2070 | ** Also, each command must be word aligned. | |||
| 2071 | */ | |||
| 2072 | hdr = (__GLXrenderHeader *) pc; | |||
| 2073 | if (client->swapped) { | |||
| 2074 | __GLX_SWAP_SHORT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[1]; ((GLbyte *)(&hdr->length))[1] = sw;; | |||
| 2075 | __GLX_SWAP_SHORT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = sw;; | |||
| 2076 | } | |||
| 2077 | cmdlen = hdr->length; | |||
| 2078 | opcode = hdr->opcode; | |||
| 2079 | ||||
| 2080 | if (left < cmdlen) | |||
| 2081 | return BadLength16; | |||
| 2082 | ||||
| 2083 | /* | |||
| 2084 | ** Check for core opcodes and grab entry data. | |||
| 2085 | */ | |||
| 2086 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
| 2087 | proc = (__GLXdispatchRenderProcPtr) | |||
| 2088 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, | |||
| 2089 | opcode, client->swapped); | |||
| 2090 | ||||
| 2091 | if ((err < 0) || (proc == NULL((void*)0))) { | |||
| 2092 | client->errorValue = commandsDone; | |||
| 2093 | return __glXError(GLXBadRenderRequest6); | |||
| 2094 | } | |||
| 2095 | ||||
| 2096 | if (cmdlen < entry.bytes) { | |||
| 2097 | return BadLength16; | |||
| 2098 | } | |||
| 2099 | ||||
| 2100 | if (entry.varsize) { | |||
| 2101 | /* variable size command */ | |||
| 2102 | extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE4, | |||
| 2103 | client->swapped, | |||
| 2104 | left - __GLX_RENDER_HDR_SIZE4); | |||
| 2105 | if (extra < 0) { | |||
| 2106 | return BadLength16; | |||
| 2107 | } | |||
| 2108 | } | |||
| 2109 | ||||
| 2110 | if (cmdlen != safe_pad(safe_add(entry.bytes, extra))) { | |||
| 2111 | return BadLength16; | |||
| 2112 | } | |||
| 2113 | ||||
| 2114 | /* | |||
| 2115 | ** Skip over the header and execute the command. We allow the | |||
| 2116 | ** caller to trash the command memory. This is useful especially | |||
| 2117 | ** for things that require double alignment - they can just shift | |||
| 2118 | ** the data towards lower memory (trashing the header) by 4 bytes | |||
| 2119 | ** and achieve the required alignment. | |||
| 2120 | */ | |||
| 2121 | (*proc) (pc + __GLX_RENDER_HDR_SIZE4); | |||
| 2122 | pc += cmdlen; | |||
| 2123 | left -= cmdlen; | |||
| 2124 | commandsDone++; | |||
| 2125 | } | |||
| 2126 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||
| 2127 | return Success0; | |||
| 2128 | } | |||
| 2129 | ||||
| 2130 | /* | |||
| 2131 | ** Execute a large rendering request (one that spans multiple X requests). | |||
| 2132 | */ | |||
| 2133 | int | |||
| 2134 | __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc) | |||
| 2135 | { | |||
| 2136 | xGLXRenderLargeReq *req; | |||
| 2137 | ClientPtr client = cl->client; | |||
| 2138 | size_t dataBytes; | |||
| 2139 | __GLXrenderLargeHeader *hdr; | |||
| 2140 | __GLXcontext *glxc; | |||
| 2141 | int error; | |||
| 2142 | CARD16 opcode; | |||
| 2143 | ||||
| 2144 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
| 2145 | ||||
| 2146 | REQUEST_AT_LEAST_SIZE(xGLXRenderLargeReq)if ((sizeof(xGLXRenderLargeReq) >> 2) > client->req_len ) return(16); | |||
| 2147 | ||||
| 2148 | req = (xGLXRenderLargeReq *) pc; | |||
| 2149 | if (client->swapped) { | |||
| 2150 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
| 2151 | __GLX_SWAP_INT(&req->contextTag)sw = ((GLbyte *)(&req->contextTag))[0]; ((GLbyte *)(& req->contextTag))[0] = ((GLbyte *)(&req->contextTag ))[3]; ((GLbyte *)(&req->contextTag))[3] = sw; sw = (( GLbyte *)(&req->contextTag))[1]; ((GLbyte *)(&req-> contextTag))[1] = ((GLbyte *)(&req->contextTag))[2]; ( (GLbyte *)(&req->contextTag))[2] = sw;; | |||
| 2152 | __GLX_SWAP_INT(&req->dataBytes)sw = ((GLbyte *)(&req->dataBytes))[0]; ((GLbyte *)(& req->dataBytes))[0] = ((GLbyte *)(&req->dataBytes)) [3]; ((GLbyte *)(&req->dataBytes))[3] = sw; sw = ((GLbyte *)(&req->dataBytes))[1]; ((GLbyte *)(&req->dataBytes ))[1] = ((GLbyte *)(&req->dataBytes))[2]; ((GLbyte *)( &req->dataBytes))[2] = sw;; | |||
| 2153 | __GLX_SWAP_SHORT(&req->requestNumber)sw = ((GLbyte *)(&req->requestNumber))[0]; ((GLbyte *) (&req->requestNumber))[0] = ((GLbyte *)(&req->requestNumber ))[1]; ((GLbyte *)(&req->requestNumber))[1] = sw;; | |||
| 2154 | __GLX_SWAP_SHORT(&req->requestTotal)sw = ((GLbyte *)(&req->requestTotal))[0]; ((GLbyte *)( &req->requestTotal))[0] = ((GLbyte *)(&req->requestTotal ))[1]; ((GLbyte *)(&req->requestTotal))[1] = sw;; | |||
| 2155 | } | |||
| 2156 | ||||
| 2157 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
| 2158 | if (!glxc) { | |||
| 2159 | /* Reset in case this isn't 1st request. */ | |||
| 2160 | __glXResetLargeCommandStatus(cl); | |||
| 2161 | return error; | |||
| 2162 | } | |||
| 2163 | if (safe_pad(req->dataBytes) < 0) | |||
| 2164 | return BadLength16; | |||
| 2165 | dataBytes = req->dataBytes; | |||
| 2166 | ||||
| 2167 | /* | |||
| 2168 | ** Check the request length. | |||
| 2169 | */ | |||
| 2170 | if ((req->length << 2) != safe_pad(dataBytes) + sz_xGLXRenderLargeReq16) { | |||
| 2171 | client->errorValue = req->length; | |||
| 2172 | /* Reset in case this isn't 1st request. */ | |||
| 2173 | __glXResetLargeCommandStatus(cl); | |||
| 2174 | return BadLength16; | |||
| 2175 | } | |||
| 2176 | pc += sz_xGLXRenderLargeReq16; | |||
| 2177 | ||||
| 2178 | if (cl->largeCmdRequestsSoFar == 0) { | |||
| 2179 | __GLXrenderSizeData entry; | |||
| 2180 | int extra = 0; | |||
| 2181 | int left = (req->length << 2) - sz_xGLXRenderLargeReq16; | |||
| 2182 | int cmdlen; | |||
| 2183 | int err; | |||
| 2184 | ||||
| 2185 | /* | |||
| 2186 | ** This is the first request of a multi request command. | |||
| 2187 | ** Make enough space in the buffer, then copy the entire request. | |||
| 2188 | */ | |||
| 2189 | if (req->requestNumber != 1) { | |||
| 2190 | client->errorValue = req->requestNumber; | |||
| 2191 | return __glXError(GLXBadLargeRequest7); | |||
| 2192 | } | |||
| 2193 | ||||
| 2194 | if (dataBytes < __GLX_RENDER_LARGE_HDR_SIZE8) | |||
| 2195 | return BadLength16; | |||
| 2196 | ||||
| 2197 | hdr = (__GLXrenderLargeHeader *) pc; | |||
| 2198 | if (client->swapped) { | |||
| 2199 | __GLX_SWAP_INT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[3]; ((GLbyte *)(&hdr->length))[3] = sw; sw = ((GLbyte *)(&hdr-> length))[1]; ((GLbyte *)(&hdr->length))[1] = ((GLbyte * )(&hdr->length))[2]; ((GLbyte *)(&hdr->length)) [2] = sw;; | |||
| 2200 | __GLX_SWAP_INT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[3]; ((GLbyte *)(&hdr->opcode))[3] = sw; sw = ((GLbyte *)(&hdr-> opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = ((GLbyte * )(&hdr->opcode))[2]; ((GLbyte *)(&hdr->opcode)) [2] = sw;; | |||
| 2201 | } | |||
| 2202 | opcode = hdr->opcode; | |||
| 2203 | if ((cmdlen = safe_pad(hdr->length)) < 0) | |||
| 2204 | return BadLength16; | |||
| 2205 | ||||
| 2206 | /* | |||
| 2207 | ** Check for core opcodes and grab entry data. | |||
| 2208 | */ | |||
| 2209 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
| 2210 | if (err < 0) { | |||
| 2211 | client->errorValue = opcode; | |||
| 2212 | return __glXError(GLXBadLargeRequest7); | |||
| 2213 | } | |||
| 2214 | ||||
| 2215 | if (entry.varsize) { | |||
| 2216 | /* | |||
| 2217 | ** If it's a variable-size command (a command whose length must | |||
| 2218 | ** be computed from its parameters), all the parameters needed | |||
| 2219 | ** will be in the 1st request, so it's okay to do this. | |||
| 2220 | */ | |||
| 2221 | extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE8, | |||
| 2222 | client->swapped, | |||
| 2223 | left - __GLX_RENDER_LARGE_HDR_SIZE8); | |||
| 2224 | if (extra < 0) { | |||
| 2225 | return BadLength16; | |||
| 2226 | } | |||
| 2227 | } | |||
| 2228 | ||||
| 2229 | /* the +4 is safe because we know entry.bytes is small */ | |||
| 2230 | if (cmdlen != safe_pad(safe_add(entry.bytes + 4, extra))) { | |||
| 2231 | return BadLength16; | |||
| 2232 | } | |||
| 2233 | ||||
| 2234 | /* | |||
| 2235 | ** Make enough space in the buffer, then copy the entire request. | |||
| 2236 | */ | |||
| 2237 | if (cl->largeCmdBufSize < cmdlen) { | |||
| 2238 | GLbyte *newbuf = cl->largeCmdBuf; | |||
| 2239 | ||||
| 2240 | if (!(newbuf = realloc(newbuf, cmdlen))) | |||
| 2241 | return BadAlloc11; | |||
| 2242 | ||||
| 2243 | cl->largeCmdBuf = newbuf; | |||
| 2244 | cl->largeCmdBufSize = cmdlen; | |||
| 2245 | } | |||
| 2246 | memcpy(cl->largeCmdBuf, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf, pc, dataBytes, __builtin_object_size (cl->largeCmdBuf, 0)); | |||
| 2247 | ||||
| 2248 | cl->largeCmdBytesSoFar = dataBytes; | |||
| 2249 | cl->largeCmdBytesTotal = cmdlen; | |||
| 2250 | cl->largeCmdRequestsSoFar = 1; | |||
| 2251 | cl->largeCmdRequestsTotal = req->requestTotal; | |||
| 2252 | return Success0; | |||
| 2253 | ||||
| 2254 | } | |||
| 2255 | else { | |||
| 2256 | /* | |||
| 2257 | ** We are receiving subsequent (i.e. not the first) requests of a | |||
| 2258 | ** multi request command. | |||
| 2259 | */ | |||
| 2260 | int bytesSoFar; /* including this packet */ | |||
| 2261 | ||||
| 2262 | /* | |||
| 2263 | ** Check the request number and the total request count. | |||
| 2264 | */ | |||
| 2265 | if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { | |||
| 2266 | client->errorValue = req->requestNumber; | |||
| 2267 | __glXResetLargeCommandStatus(cl); | |||
| 2268 | return __glXError(GLXBadLargeRequest7); | |||
| 2269 | } | |||
| 2270 | if (req->requestTotal != cl->largeCmdRequestsTotal) { | |||
| 2271 | client->errorValue = req->requestTotal; | |||
| 2272 | __glXResetLargeCommandStatus(cl); | |||
| 2273 | return __glXError(GLXBadLargeRequest7); | |||
| 2274 | } | |||
| 2275 | ||||
| 2276 | /* | |||
| 2277 | ** Check that we didn't get too much data. | |||
| 2278 | */ | |||
| 2279 | if ((bytesSoFar = safe_add(cl->largeCmdBytesSoFar, dataBytes)) < 0) { | |||
| 2280 | client->errorValue = dataBytes; | |||
| 2281 | __glXResetLargeCommandStatus(cl); | |||
| 2282 | return __glXError(GLXBadLargeRequest7); | |||
| 2283 | } | |||
| 2284 | ||||
| 2285 | if (bytesSoFar > cl->largeCmdBytesTotal) { | |||
| 2286 | client->errorValue = dataBytes; | |||
| 2287 | __glXResetLargeCommandStatus(cl); | |||
| 2288 | return __glXError(GLXBadLargeRequest7); | |||
| 2289 | } | |||
| 2290 | ||||
| 2291 | memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf + cl->largeCmdBytesSoFar , pc, dataBytes, __builtin_object_size (cl->largeCmdBuf + cl ->largeCmdBytesSoFar, 0)); | |||
| 2292 | cl->largeCmdBytesSoFar += dataBytes; | |||
| 2293 | cl->largeCmdRequestsSoFar++; | |||
| 2294 | ||||
| 2295 | if (req->requestNumber == cl->largeCmdRequestsTotal) { | |||
| 2296 | __GLXdispatchRenderProcPtr proc; | |||
| 2297 | ||||
| 2298 | /* | |||
| 2299 | ** This is the last request; it must have enough bytes to complete | |||
| 2300 | ** the command. | |||
| 2301 | */ | |||
| 2302 | /* NOTE: the pad macro below is needed because the client library | |||
| 2303 | ** pads the total byte count, but not the per-request byte counts. | |||
| 2304 | ** The Protocol Encoding says the total byte count should not be | |||
| 2305 | ** padded, so a proposal will be made to the ARB to relax the | |||
| 2306 | ** padding constraint on the total byte count, thus preserving | |||
| 2307 | ** backward compatibility. Meanwhile, the padding done below | |||
| 2308 | ** fixes a bug that did not allow large commands of odd sizes to | |||
| 2309 | ** be accepted by the server. | |||
| 2310 | */ | |||
| 2311 | if (safe_pad(cl->largeCmdBytesSoFar) != cl->largeCmdBytesTotal) { | |||
| 2312 | client->errorValue = dataBytes; | |||
| 2313 | __glXResetLargeCommandStatus(cl); | |||
| 2314 | return __glXError(GLXBadLargeRequest7); | |||
| 2315 | } | |||
| 2316 | hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; | |||
| 2317 | /* | |||
| 2318 | ** The opcode and length field in the header had already been | |||
| 2319 | ** swapped when the first request was received. | |||
| 2320 | ** | |||
| 2321 | ** Use the opcode to index into the procedure table. | |||
| 2322 | */ | |||
| 2323 | opcode = hdr->opcode; | |||
| 2324 | ||||
| 2325 | proc = (__GLXdispatchRenderProcPtr) | |||
| 2326 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, opcode, | |||
| 2327 | client->swapped); | |||
| 2328 | if (proc == NULL((void*)0)) { | |||
| 2329 | client->errorValue = opcode; | |||
| 2330 | return __glXError(GLXBadLargeRequest7); | |||
| 2331 | } | |||
| 2332 | ||||
| 2333 | /* | |||
| 2334 | ** Skip over the header and execute the command. | |||
| 2335 | */ | |||
| 2336 | (*proc) (cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE8); | |||
| 2337 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||
| 2338 | ||||
| 2339 | /* | |||
| 2340 | ** Reset for the next RenderLarge series. | |||
| 2341 | */ | |||
| 2342 | __glXResetLargeCommandStatus(cl); | |||
| 2343 | } | |||
| 2344 | else { | |||
| 2345 | /* | |||
| 2346 | ** This is neither the first nor the last request. | |||
| 2347 | */ | |||
| 2348 | } | |||
| 2349 | return Success0; | |||
| 2350 | } | |||
| 2351 | } | |||
| 2352 | ||||
| 2353 | /************************************************************************/ | |||
| 2354 | ||||
| 2355 | /* | |||
| 2356 | ** No support is provided for the vendor-private requests other than | |||
| 2357 | ** allocating the entry points in the dispatch table. | |||
| 2358 | */ | |||
| 2359 | ||||
| 2360 | int | |||
| 2361 | __glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc) | |||
| 2362 | { | |||
| 2363 | ClientPtr client = cl->client; | |||
| 2364 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
| 2365 | GLint vendorcode = req->vendorCode; | |||
| 2366 | __GLXdispatchVendorPrivProcPtr proc; | |||
| 2367 | ||||
| 2368 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
| 2369 | ||||
| 2370 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
| 2371 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
| 2372 | vendorcode, 0); | |||
| 2373 | if (proc != NULL((void*)0)) { | |||
| 2374 | (*proc) (cl, (GLbyte *) req); | |||
| 2375 | return Success0; | |||
| 2376 | } | |||
| 2377 | ||||
| 2378 | cl->client->errorValue = req->vendorCode; | |||
| 2379 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
| 2380 | } | |||
| 2381 | ||||
| 2382 | int | |||
| 2383 | __glXDisp_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) | |||
| 2384 | { | |||
| 2385 | ClientPtr client = cl->client; | |||
| 2386 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
| 2387 | GLint vendorcode = req->vendorCode; | |||
| 2388 | __GLXdispatchVendorPrivProcPtr proc; | |||
| 2389 | ||||
| 2390 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
| 2391 | ||||
| 2392 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
| 2393 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
| 2394 | vendorcode, 0); | |||
| 2395 | if (proc != NULL((void*)0)) { | |||
| 2396 | return (*proc) (cl, (GLbyte *) req); | |||
| 2397 | } | |||
| 2398 | ||||
| 2399 | cl->client->errorValue = vendorcode; | |||
| 2400 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
| 2401 | } | |||
| 2402 | ||||
| 2403 | int | |||
| 2404 | __glXDisp_QueryExtensionsString(__GLXclientState * cl, GLbyte * pc) | |||
| 2405 | { | |||
| 2406 | ClientPtr client = cl->client; | |||
| 2407 | xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; | |||
| 2408 | xGLXQueryExtensionsStringReply reply; | |||
| 2409 | __GLXscreen *pGlxScreen; | |||
| 2410 | size_t n, length; | |||
| 2411 | char *buf; | |||
| 2412 | int err; | |||
| 2413 | ||||
| 2414 | REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq)if ((sizeof(xGLXQueryExtensionsStringReq) >> 2) != client ->req_len) return(16); | |||
| 2415 | ||||
| 2416 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
| 2417 | return err; | |||
| 2418 | ||||
| 2419 | n = strlen(pGlxScreen->GLXextensions) + 1; | |||
| 2420 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
| 2421 | reply = (xGLXQueryExtensionsStringReply) { | |||
| 2422 | .type = X_Reply1, | |||
| 2423 | .sequenceNumber = client->sequence, | |||
| 2424 | .length = length, | |||
| 2425 | .n = n | |||
| 2426 | }; | |||
| 2427 | ||||
| 2428 | /* Allocate buffer to make sure it's a multiple of 4 bytes big. */ | |||
| 2429 | buf = calloc(length, 4); | |||
| 2430 | if (buf == NULL((void*)0)) | |||
| 2431 | return BadAlloc11; | |||
| 2432 | memcpy(buf, pGlxScreen->GLXextensions, n)__builtin___memcpy_chk (buf, pGlxScreen->GLXextensions, n, __builtin_object_size (buf, 0)); | |||
| 2433 | ||||
| 2434 | if (client->swapped) { | |||
| 2435 | glxSwapQueryExtensionsStringReply(client, &reply, buf); | |||
| 2436 | } | |||
| 2437 | else { | |||
| 2438 | WriteToClient(client, sz_xGLXQueryExtensionsStringReply32, &reply); | |||
| 2439 | WriteToClient(client, (int) (length << 2), buf); | |||
| 2440 | } | |||
| 2441 | ||||
| 2442 | free(buf); | |||
| 2443 | return Success0; | |||
| 2444 | } | |||
| 2445 | ||||
| 2446 | int | |||
| 2447 | __glXDisp_QueryServerString(__GLXclientState * cl, GLbyte * pc) | |||
| 2448 | { | |||
| 2449 | ClientPtr client = cl->client; | |||
| 2450 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; | |||
| 2451 | xGLXQueryServerStringReply reply; | |||
| 2452 | size_t n, length; | |||
| 2453 | const char *ptr; | |||
| 2454 | char *buf; | |||
| 2455 | __GLXscreen *pGlxScreen; | |||
| 2456 | int err; | |||
| 2457 | char ver_str[16]; | |||
| 2458 | ||||
| 2459 | REQUEST_SIZE_MATCH(xGLXQueryServerStringReq)if ((sizeof(xGLXQueryServerStringReq) >> 2) != client-> req_len) return(16); | |||
| 2460 | ||||
| 2461 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
| 2462 | return err; | |||
| 2463 | ||||
| 2464 | switch (req->name) { | |||
| 2465 | case GLX_VENDOR0x1: | |||
| 2466 | ptr = GLXServerVendorName; | |||
| 2467 | break; | |||
| 2468 | case GLX_VERSION0x2: | |||
| 2469 | /* Return to the server version rather than the screen version | |||
| 2470 | * to prevent confusion when they do not match. | |||
| 2471 | */ | |||
| 2472 | snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion)__builtin___snprintf_chk (ver_str, 16, 0, __builtin_object_size (ver_str, 2 > 1 ? 1 : 0), "%d.%d", glxMajorVersion, glxMinorVersion ); | |||
| 2473 | ptr = ver_str; | |||
| 2474 | break; | |||
| 2475 | case GLX_EXTENSIONS0x3: | |||
| 2476 | ptr = pGlxScreen->GLXextensions; | |||
| 2477 | break; | |||
| 2478 | default: | |||
| 2479 | return BadValue2; | |||
| 2480 | } | |||
| 2481 | ||||
| 2482 | n = strlen(ptr) + 1; | |||
| 2483 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
| 2484 | reply = (xGLXQueryServerStringReply) { | |||
| 2485 | .type = X_Reply1, | |||
| 2486 | .sequenceNumber = client->sequence, | |||
| 2487 | .length = length, | |||
| 2488 | .n = n | |||
| 2489 | }; | |||
| 2490 | ||||
| 2491 | buf = calloc(length, 4); | |||
| 2492 | if (buf == NULL((void*)0)) { | |||
| 2493 | return BadAlloc11; | |||
| 2494 | } | |||
| 2495 | memcpy(buf, ptr, n)__builtin___memcpy_chk (buf, ptr, n, __builtin_object_size (buf , 0)); | |||
| 2496 | ||||
| 2497 | if (client->swapped) { | |||
| 2498 | glxSwapQueryServerStringReply(client, &reply, buf); | |||
| 2499 | } | |||
| 2500 | else { | |||
| 2501 | WriteToClient(client, sz_xGLXQueryServerStringReply32, &reply); | |||
| 2502 | WriteToClient(client, (int) (length << 2), buf); | |||
| 2503 | } | |||
| 2504 | ||||
| 2505 | free(buf); | |||
| 2506 | return Success0; | |||
| 2507 | } | |||
| 2508 | ||||
| 2509 | int | |||
| 2510 | __glXDisp_ClientInfo(__GLXclientState * cl, GLbyte * pc) | |||
| 2511 | { | |||
| 2512 | ClientPtr client = cl->client; | |||
| 2513 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; | |||
| 2514 | const char *buf; | |||
| 2515 | ||||
| 2516 | REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq)if ((sizeof(xGLXClientInfoReq) >> 2) > client->req_len ) return(16); | |||
| 2517 | ||||
| 2518 | buf = (const char *) (req + 1); | |||
| 2519 | if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) | |||
| 2520 | return BadLength16; | |||
| 2521 | ||||
| 2522 | free(cl->GLClientextensions); | |||
| 2523 | cl->GLClientextensions = strdup(buf); | |||
| 2524 | ||||
| 2525 | return Success0; | |||
| 2526 | } | |||
| 2527 | ||||
| 2528 | #include <GL/glxtokens.h> | |||
| 2529 | ||||
| 2530 | void | |||
| 2531 | __glXsendSwapEvent(__GLXdrawable *drawable, int type, CARD64 ust, | |||
| 2532 | CARD64 msc, CARD32 sbc) | |||
| 2533 | { | |||
| 2534 | ClientPtr client = clients[CLIENT_ID(drawable->drawId)((int)(((drawable->drawId) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]; | |||
| 2535 | ||||
| 2536 | xGLXBufferSwapComplete2 wire = { | |||
| 2537 | .type = __glXEventBase + GLX_BufferSwapComplete1 | |||
| 2538 | }; | |||
| 2539 | ||||
| 2540 | if (!client) | |||
| 2541 | return; | |||
| 2542 | ||||
| 2543 | if (!(drawable->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK0x04000000)) | |||
| 2544 | return; | |||
| 2545 | ||||
| 2546 | wire.event_type = type; | |||
| 2547 | wire.drawable = drawable->drawId; | |||
| 2548 | wire.ust_hi = ust >> 32; | |||
| 2549 | wire.ust_lo = ust & 0xffffffff; | |||
| 2550 | wire.msc_hi = msc >> 32; | |||
| 2551 | wire.msc_lo = msc & 0xffffffff; | |||
| 2552 | wire.sbc = sbc; | |||
| 2553 | ||||
| 2554 | WriteEventsToClient(client, 1, (xEvent *) &wire); | |||
| 2555 | } | |||
| 2556 | ||||
| 2557 | #if PRESENT1 | |||
| 2558 | static void | |||
| 2559 | __glXpresentCompleteNotify(WindowPtr window, CARD8 present_kind, CARD8 present_mode, | |||
| 2560 | CARD32 serial, uint64_t ust, uint64_t msc) | |||
| 2561 | { | |||
| 2562 | __GLXdrawable *drawable; | |||
| 2563 | int glx_type; | |||
| 2564 | int rc; | |||
| 2565 | ||||
| 2566 | if (present_kind != PresentCompleteKindPixmap0) | |||
| 2567 | return; | |||
| 2568 | ||||
| 2569 | rc = dixLookupResourceByType((void **) &drawable, window->drawable.id, | |||
| 2570 | __glXDrawableRes, serverClient, DixGetAttrAccess(1<<4)); | |||
| 2571 | ||||
| 2572 | if (rc != Success0) | |||
| 2573 | return; | |||
| 2574 | ||||
| 2575 | if (present_mode == PresentCompleteModeFlip1) | |||
| 2576 | glx_type = GLX_FLIP_COMPLETE_INTEL0x8182; | |||
| 2577 | else | |||
| 2578 | glx_type = GLX_BLIT_COMPLETE_INTEL0x8181; | |||
| 2579 | ||||
| 2580 | __glXsendSwapEvent(drawable, glx_type, ust, msc, serial); | |||
| 2581 | } | |||
| 2582 | ||||
| 2583 | #include <present.h> | |||
| 2584 | ||||
| 2585 | void | |||
| 2586 | __glXregisterPresentCompleteNotify(void) | |||
| 2587 | { | |||
| 2588 | present_register_complete_notify(__glXpresentCompleteNotify); | |||
| 2589 | } | |||
| 2590 | #endif |