git.oblomov.eu Git - wine/blob - dlls/wined3d/query.c

   1 /*
   2  * IWineD3DQuery implementation
   3  *
   4  * Copyright 2005 Oliver Stieber
   5  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   6  * Copyright 2009 Henri Verbeet for CodeWeavers.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  28
  29 BOOL wined3d_event_query_supported(const struct wined3d_gl_info *gl_info)
  30 {
  31     return gl_info->supported[ARB_SYNC] || gl_info->supported[NV_FENCE] || gl_info->supported[APPLE_FENCE];
  32 }
  33
  34 void wined3d_event_query_destroy(struct wined3d_event_query *query)
  35 {
  36     if (query->context) context_free_event_query(query);
  37     HeapFree(GetProcessHeap(), 0, query);
  38 }
  39
  40 enum wined3d_event_query_result wined3d_event_query_test(struct wined3d_event_query *query, IWineD3DDeviceImpl *device)
  41 {
  42     struct wined3d_context *context;
  43     const struct wined3d_gl_info *gl_info;
  44     enum wined3d_event_query_result ret;
  45     BOOL fence_result;
  46
  47     TRACE("(%p) : device %p\n", query, device);
  48
  49     if (query->context == NULL)
  50     {
  51         TRACE("Query not started\n");
  52         return WINED3D_EVENT_QUERY_NOT_STARTED;
  53     }
  54
  55     if (!query->context->gl_info->supported[ARB_SYNC] && query->context->tid != GetCurrentThreadId())
  56     {
  57         WARN("Event query tested from wrong thread\n");
  58         return WINED3D_EVENT_QUERY_WRONG_THREAD;
  59     }
  60
  61     context = context_acquire(device, query->context->current_rt);
  62     gl_info = context->gl_info;
  63
  64     ENTER_GL();
  65
  66     if (gl_info->supported[ARB_SYNC])
  67     {
  68         GLenum gl_ret = GL_EXTCALL(glClientWaitSync(query->object.sync, 0, 0));
  69         checkGLcall("glClientWaitSync");
  70
  71         switch (gl_ret)
  72         {
  73             case GL_ALREADY_SIGNALED:
  74             case GL_CONDITION_SATISFIED:
  75                 ret = WINED3D_EVENT_QUERY_OK;
  76                 break;
  77
  78             case GL_TIMEOUT_EXPIRED:
  79                 ret = WINED3D_EVENT_QUERY_WAITING;
  80                 break;
  81
  82             case GL_WAIT_FAILED:
  83             default:
  84                 ERR("glClientWaitSync returned %#x.\n", gl_ret);
  85                 ret = WINED3D_EVENT_QUERY_ERROR;
  86         }
  87     }
  88     else if (gl_info->supported[APPLE_FENCE])
  89     {
  90         fence_result = GL_EXTCALL(glTestFenceAPPLE(query->object.id));
  91         checkGLcall("glTestFenceAPPLE");
  92         if (fence_result) ret = WINED3D_EVENT_QUERY_OK;
  93         else ret = WINED3D_EVENT_QUERY_WAITING;
  94     }
  95     else if (gl_info->supported[NV_FENCE])
  96     {
  97         fence_result = GL_EXTCALL(glTestFenceNV(query->object.id));
  98         checkGLcall("glTestFenceNV");
  99         if (fence_result) ret = WINED3D_EVENT_QUERY_OK;
 100         else ret = WINED3D_EVENT_QUERY_WAITING;
 101     }
 102     else
 103     {
 104         ERR("Event query created despite lack of GL support\n");
 105         ret = WINED3D_EVENT_QUERY_ERROR;
 106     }
 107
 108     LEAVE_GL();
 109
 110     context_release(context);
 111     return ret;
 112 }
 113
 114 enum wined3d_event_query_result wined3d_event_query_finish(struct wined3d_event_query *query, IWineD3DDeviceImpl *device)
 115 {
 116     struct wined3d_context *context;
 117     const struct wined3d_gl_info *gl_info;
 118     enum wined3d_event_query_result ret;
 119
 120     TRACE("(%p)\n", query);
 121
 122     if (!query->context)
 123     {
 124         TRACE("Query not started\n");
 125         return WINED3D_EVENT_QUERY_NOT_STARTED;
 126     }
 127     gl_info = query->context->gl_info;
 128
 129     if (query->context->tid != GetCurrentThreadId() && !gl_info->supported[ARB_SYNC])
 130     {
 131         /* A glFinish does not reliably wait for draws in other contexts. The caller has
 132          * to find its own way to cope with the thread switch
 133          */
 134         WARN("Event query finished from wrong thread\n");
 135         return WINED3D_EVENT_QUERY_WRONG_THREAD;
 136     }
 137
 138     context = context_acquire(device, query->context->current_rt);
 139
 140     ENTER_GL();
 141     if (gl_info->supported[ARB_SYNC])
 142     {
 143         GLenum gl_ret = GL_EXTCALL(glClientWaitSync(query->object.sync, 0, ~(GLuint64)0));
 144         checkGLcall("glClientWaitSync");
 145
 146         switch (gl_ret)
 147         {
 148             case GL_ALREADY_SIGNALED:
 149             case GL_CONDITION_SATISFIED:
 150                 ret = WINED3D_EVENT_QUERY_OK;
 151                 break;
 152
 153                 /* We don't expect a timeout for a ~584 year wait */
 154             default:
 155                 ERR("glClientWaitSync returned %#x.\n", gl_ret);
 156                 ret = WINED3D_EVENT_QUERY_ERROR;
 157         }
 158     }
 159     else if (context->gl_info->supported[APPLE_FENCE])
 160     {
 161         GL_EXTCALL(glFinishFenceAPPLE(query->object.id));
 162         checkGLcall("glFinishFenceAPPLE");
 163         ret = WINED3D_EVENT_QUERY_OK;
 164     }
 165     else if (context->gl_info->supported[NV_FENCE])
 166     {
 167         GL_EXTCALL(glFinishFenceNV(query->object.id));
 168         checkGLcall("glFinishFenceNV");
 169         ret = WINED3D_EVENT_QUERY_OK;
 170     }
 171     else
 172     {
 173         ERR("Event query created without GL support\n");
 174         ret = WINED3D_EVENT_QUERY_ERROR;
 175     }
 176     LEAVE_GL();
 177
 178     context_release(context);
 179     return ret;
 180 }
 181
 182 void wined3d_event_query_issue(struct wined3d_event_query *query, IWineD3DDeviceImpl *device)
 183 {
 184     const struct wined3d_gl_info *gl_info;
 185     struct wined3d_context *context;
 186
 187     if (query->context)
 188     {
 189         if (!query->context->gl_info->supported[ARB_SYNC] && query->context->tid != GetCurrentThreadId())
 190         {
 191             context_free_event_query(query);
 192             context = context_acquire(device, NULL);
 193             context_alloc_event_query(context, query);
 194         }
 195         else
 196         {
 197             context = context_acquire(device, query->context->current_rt);
 198         }
 199     }
 200     else
 201     {
 202         context = context_acquire(device, NULL);
 203         context_alloc_event_query(context, query);
 204     }
 205
 206     gl_info = context->gl_info;
 207
 208     ENTER_GL();
 209
 210     if (gl_info->supported[ARB_SYNC])
 211     {
 212         if (query->object.sync) GL_EXTCALL(glDeleteSync(query->object.sync));
 213         checkGLcall("glDeleteSync");
 214         query->object.sync = GL_EXTCALL(glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0));
 215         checkGLcall("glFenceSync");
 216     }
 217     else if (gl_info->supported[APPLE_FENCE])
 218     {
 219         GL_EXTCALL(glSetFenceAPPLE(query->object.id));
 220         checkGLcall("glSetFenceAPPLE");
 221     }
 222     else if (gl_info->supported[NV_FENCE])
 223     {
 224         GL_EXTCALL(glSetFenceNV(query->object.id, GL_ALL_COMPLETED_NV));
 225         checkGLcall("glSetFenceNV");
 226     }
 227
 228     LEAVE_GL();
 229
 230     context_release(context);
 231 }
 232
 233 /*
 234  * Occlusion Queries:
 235  * http://www.gris.uni-tuebingen.de/~bartz/Publications/paper/hww98.pdf
 236  * http://oss.sgi.com/projects/ogl-sample/registry/ARB/occlusion_query.txt
 237  */
 238
 239 /* *******************************************
 240    IWineD3DQuery IUnknown parts follow
 241    ******************************************* */
 242 static HRESULT  WINAPI IWineD3DQueryImpl_QueryInterface(IWineD3DQuery *iface, REFIID riid, LPVOID *ppobj)
 243 {
 244     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 245     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
 246     if (IsEqualGUID(riid, &IID_IUnknown)
 247         || IsEqualGUID(riid, &IID_IWineD3DBase)
 248         || IsEqualGUID(riid, &IID_IWineD3DQuery)) {
 249         IUnknown_AddRef(iface);
 250         *ppobj = This;
 251         return S_OK;
 252     }
 253     *ppobj = NULL;
 254     return E_NOINTERFACE;
 255 }
 256
 257 static ULONG  WINAPI IWineD3DQueryImpl_AddRef(IWineD3DQuery *iface) {
 258     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 259     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
 260     return InterlockedIncrement(&This->ref);
 261 }
 262
 263 static ULONG  WINAPI IWineD3DQueryImpl_Release(IWineD3DQuery *iface) {
 264     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 265     ULONG ref;
 266     TRACE("(%p) : Releasing from %d\n", This, This->ref);
 267     ref = InterlockedDecrement(&This->ref);
 268     if (ref == 0) {
 269         /* Queries are specific to the GL context that created them. Not
 270          * deleting the query will obviously leak it, but that's still better
 271          * than potentially deleting a different query with the same id in this
 272          * context, and (still) leaking the actual query. */
 273         if (This->type == WINED3DQUERYTYPE_EVENT)
 274         {
 275             struct wined3d_event_query *query = This->extendedData;
 276             if (query) wined3d_event_query_destroy(query);
 277         }
 278         else if (This->type == WINED3DQUERYTYPE_OCCLUSION)
 279         {
 280             struct wined3d_occlusion_query *query = This->extendedData;
 281
 282             if (query->context) context_free_occlusion_query(query);
 283             HeapFree(GetProcessHeap(), 0, This->extendedData);
 284         }
 285
 286         HeapFree(GetProcessHeap(), 0, This);
 287     }
 288     return ref;
 289 }
 290
 291 /* *******************************************
 292    IWineD3DQuery IWineD3DQuery parts follow
 293    ******************************************* */
 294 static HRESULT WINAPI IWineD3DQueryImpl_GetParent(IWineD3DQuery *iface, IUnknown **parent)
 295 {
 296     TRACE("iface %p, parent %p.\n", iface, parent);
 297
 298     *parent = (IUnknown *)parent;
 299     IUnknown_AddRef(*parent);
 300
 301     TRACE("Returning %p.\n", *parent);
 302
 303     return WINED3D_OK;
 304 }
 305
 306 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 307     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 308     struct wined3d_occlusion_query *query = This->extendedData;
 309     IWineD3DDeviceImpl *device = This->device;
 310     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 311     struct wined3d_context *context;
 312     DWORD* data = pData;
 313     GLuint available;
 314     GLuint samples;
 315     HRESULT res;
 316
 317     TRACE("(%p) : type D3DQUERY_OCCLUSION, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 318
 319     if (!query->context) This->state = QUERY_CREATED;
 320
 321     if (This->state == QUERY_CREATED)
 322     {
 323         /* D3D allows GetData on a new query, OpenGL doesn't. So just invent the data ourselves */
 324         TRACE("Query wasn't yet started, returning S_OK\n");
 325         if(data) *data = 0;
 326         return S_OK;
 327     }
 328
 329     if (This->state == QUERY_BUILDING)
 330     {
 331         /* Msdn says this returns an error, but our tests show that S_FALSE is returned */
 332         TRACE("Query is building, returning S_FALSE\n");
 333         return S_FALSE;
 334     }
 335
 336     if (!gl_info->supported[ARB_OCCLUSION_QUERY])
 337     {
 338         WARN("(%p) : Occlusion queries not supported. Returning 1.\n", This);
 339         *data = 1;
 340         return S_OK;
 341     }
 342
 343     if (query->context->tid != GetCurrentThreadId())
 344     {
 345         FIXME("%p Wrong thread, returning 1.\n", This);
 346         *data = 1;
 347         return S_OK;
 348     }
 349
 350     context = context_acquire(This->device, query->context->current_rt);
 351
 352     ENTER_GL();
 353
 354     GL_EXTCALL(glGetQueryObjectuivARB(query->id, GL_QUERY_RESULT_AVAILABLE_ARB, &available));
 355     checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT_AVAILABLE)");
 356     TRACE("(%p) : available %d.\n", This, available);
 357
 358     if (available)
 359     {
 360         if (data)
 361         {
 362             GL_EXTCALL(glGetQueryObjectuivARB(query->id, GL_QUERY_RESULT_ARB, &samples));
 363             checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT)");
 364             TRACE("(%p) : Returning %d samples.\n", This, samples);
 365             *data = samples;
 366         }
 367         res = S_OK;
 368     }
 369     else
 370     {
 371         res = S_FALSE;
 372     }
 373
 374     LEAVE_GL();
 375
 376     context_release(context);
 377
 378     return res;
 379 }
 380
 381 static HRESULT  WINAPI IWineD3DEventQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 382     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 383     struct wined3d_event_query *query = This->extendedData;
 384     BOOL *data = pData;
 385     enum wined3d_event_query_result ret;
 386
 387     TRACE("(%p) : type D3DQUERY_EVENT, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 388
 389     if (!pData || !dwSize) return S_OK;
 390     if (!query)
 391     {
 392         WARN("(%p): Event query not supported by GL, reporting GPU idle\n", This);
 393         *data = TRUE;
 394         return S_OK;
 395     }
 396
 397     ret = wined3d_event_query_test(query, This->device);
 398     switch(ret)
 399     {
 400         case WINED3D_EVENT_QUERY_OK:
 401         case WINED3D_EVENT_QUERY_NOT_STARTED:
 402             *data = TRUE;
 403             break;
 404
 405         case WINED3D_EVENT_QUERY_WAITING:
 406             *data = FALSE;
 407             break;
 408
 409         case WINED3D_EVENT_QUERY_WRONG_THREAD:
 410             FIXME("(%p) Wrong thread, reporting GPU idle.\n", This);
 411             *data = TRUE;
 412             break;
 413
 414         case WINED3D_EVENT_QUERY_ERROR:
 415             ERR("The GL event query failed, returning D3DERR_INVALIDCALL\n");
 416             return WINED3DERR_INVALIDCALL;
 417     }
 418
 419     return S_OK;
 420 }
 421
 422 static DWORD  WINAPI IWineD3DEventQueryImpl_GetDataSize(IWineD3DQuery* iface){
 423     TRACE("(%p) : type D3DQUERY_EVENT\n", iface);
 424
 425     return sizeof(BOOL);
 426 }
 427
 428 static DWORD  WINAPI IWineD3DOcclusionQueryImpl_GetDataSize(IWineD3DQuery* iface){
 429     TRACE("(%p) : type D3DQUERY_OCCLUSION\n", iface);
 430
 431     return sizeof(DWORD);
 432 }
 433
 434 static WINED3DQUERYTYPE  WINAPI IWineD3DQueryImpl_GetType(IWineD3DQuery* iface){
 435     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 436     return This->type;
 437 }
 438
 439 static HRESULT  WINAPI IWineD3DEventQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 440     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 441
 442     TRACE("(%p) : dwIssueFlags %#x, type D3DQUERY_EVENT\n", This, dwIssueFlags);
 443     if (dwIssueFlags & WINED3DISSUE_END)
 444     {
 445         struct wined3d_event_query *query = This->extendedData;
 446
 447         /* Faked event query support */
 448         if (!query) return WINED3D_OK;
 449
 450         wined3d_event_query_issue(query, This->device);
 451     }
 452     else if(dwIssueFlags & WINED3DISSUE_BEGIN)
 453     {
 454         /* Started implicitly at device creation */
 455         ERR("Event query issued with START flag - what to do?\n");
 456     }
 457
 458     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 459         This->state = QUERY_BUILDING;
 460     } else {
 461         This->state = QUERY_SIGNALLED;
 462     }
 463
 464     return WINED3D_OK;
 465 }
 466
 467 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 468     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 469     IWineD3DDeviceImpl *device = This->device;
 470     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 471
 472     if (gl_info->supported[ARB_OCCLUSION_QUERY])
 473     {
 474         struct wined3d_occlusion_query *query = This->extendedData;
 475         struct wined3d_context *context;
 476
 477         /* This is allowed according to msdn and our tests. Reset the query and restart */
 478         if (dwIssueFlags & WINED3DISSUE_BEGIN)
 479         {
 480             if (This->state == QUERY_BUILDING)
 481             {
 482                 if (query->context->tid != GetCurrentThreadId())
 483                 {
 484                     FIXME("Wrong thread, can't restart query.\n");
 485
 486                     context_free_occlusion_query(query);
 487                     context = context_acquire(This->device, NULL);
 488                     context_alloc_occlusion_query(context, query);
 489                 }
 490                 else
 491                 {
 492                     context = context_acquire(This->device, query->context->current_rt);
 493
 494                     ENTER_GL();
 495                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 496                     checkGLcall("glEndQuery()");
 497                     LEAVE_GL();
 498                 }
 499             }
 500             else
 501             {
 502                 if (query->context) context_free_occlusion_query(query);
 503                 context = context_acquire(This->device, NULL);
 504                 context_alloc_occlusion_query(context, query);
 505             }
 506
 507             ENTER_GL();
 508             GL_EXTCALL(glBeginQueryARB(GL_SAMPLES_PASSED_ARB, query->id));
 509             checkGLcall("glBeginQuery()");
 510             LEAVE_GL();
 511
 512             context_release(context);
 513         }
 514         if (dwIssueFlags & WINED3DISSUE_END) {
 515             /* Msdn says _END on a non-building occlusion query returns an error, but
 516              * our tests show that it returns OK. But OpenGL doesn't like it, so avoid
 517              * generating an error
 518              */
 519             if (This->state == QUERY_BUILDING)
 520             {
 521                 if (query->context->tid != GetCurrentThreadId())
 522                 {
 523                     FIXME("Wrong thread, can't end query.\n");
 524                 }
 525                 else
 526                 {
 527                     context = context_acquire(This->device, query->context->current_rt);
 528
 529                     ENTER_GL();
 530                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 531                     checkGLcall("glEndQuery()");
 532                     LEAVE_GL();
 533
 534                     context_release(context);
 535                 }
 536             }
 537         }
 538     } else {
 539         FIXME("(%p) : Occlusion queries not supported\n", This);
 540     }
 541
 542     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 543         This->state = QUERY_BUILDING;
 544     } else {
 545         This->state = QUERY_SIGNALLED;
 546     }
 547     return WINED3D_OK; /* can be WINED3DERR_INVALIDCALL.    */
 548 }
 549
 550 static const IWineD3DQueryVtbl IWineD3DEventQuery_Vtbl =
 551 {
 552     /*** IUnknown methods ***/
 553     IWineD3DQueryImpl_QueryInterface,
 554     IWineD3DQueryImpl_AddRef,
 555     IWineD3DQueryImpl_Release,
 556     /*** IWineD3Dquery methods ***/
 557     IWineD3DQueryImpl_GetParent,
 558     IWineD3DEventQueryImpl_GetData,
 559     IWineD3DEventQueryImpl_GetDataSize,
 560     IWineD3DQueryImpl_GetType,
 561     IWineD3DEventQueryImpl_Issue
 562 };
 563
 564 static const IWineD3DQueryVtbl IWineD3DOcclusionQuery_Vtbl =
 565 {
 566     /*** IUnknown methods ***/
 567     IWineD3DQueryImpl_QueryInterface,
 568     IWineD3DQueryImpl_AddRef,
 569     IWineD3DQueryImpl_Release,
 570     /*** IWineD3Dquery methods ***/
 571     IWineD3DQueryImpl_GetParent,
 572     IWineD3DOcclusionQueryImpl_GetData,
 573     IWineD3DOcclusionQueryImpl_GetDataSize,
 574     IWineD3DQueryImpl_GetType,
 575     IWineD3DOcclusionQueryImpl_Issue
 576 };
 577
 578 HRESULT query_init(IWineD3DQueryImpl *query, IWineD3DDeviceImpl *device,
 579         WINED3DQUERYTYPE type, IUnknown *parent)
 580 {
 581     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 582
 583     switch (type)
 584     {
 585         case WINED3DQUERYTYPE_OCCLUSION:
 586             TRACE("Occlusion query.\n");
 587             if (!gl_info->supported[ARB_OCCLUSION_QUERY])
 588             {
 589                 WARN("Unsupported in local OpenGL implementation: ARB_OCCLUSION_QUERY.\n");
 590                 return WINED3DERR_NOTAVAILABLE;
 591             }
 592             query->lpVtbl = &IWineD3DOcclusionQuery_Vtbl;
 593             query->extendedData = HeapAlloc(GetProcessHeap(), 0, sizeof(struct wined3d_occlusion_query));
 594             if (!query->extendedData)
 595             {
 596                 ERR("Failed to allocate occlusion query extended data.\n");
 597                 return E_OUTOFMEMORY;
 598             }
 599             ((struct wined3d_occlusion_query *)query->extendedData)->context = NULL;
 600             break;
 601
 602         case WINED3DQUERYTYPE_EVENT:
 603             TRACE("Event query.\n");
 604             if (!wined3d_event_query_supported(gl_info))
 605             {
 606                 /* Half-Life 2 needs this query. It does not render the main
 607                  * menu correctly otherwise. Pretend to support it, faking
 608                  * this query does not do much harm except potentially
 609                  * lowering performance. */
 610                 FIXME("Event query: Unimplemented, but pretending to be supported.\n");
 611             }
 612             query->lpVtbl = &IWineD3DEventQuery_Vtbl;
 613             query->extendedData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct wined3d_event_query));
 614             if (!query->extendedData)
 615             {
 616                 ERR("Failed to allocate event query memory.\n");
 617                 return E_OUTOFMEMORY;
 618             }
 619             break;
 620
 621         case WINED3DQUERYTYPE_VCACHE:
 622         case WINED3DQUERYTYPE_RESOURCEMANAGER:
 623         case WINED3DQUERYTYPE_VERTEXSTATS:
 624         case WINED3DQUERYTYPE_TIMESTAMP:
 625         case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
 626         case WINED3DQUERYTYPE_TIMESTAMPFREQ:
 627         case WINED3DQUERYTYPE_PIPELINETIMINGS:
 628         case WINED3DQUERYTYPE_INTERFACETIMINGS:
 629         case WINED3DQUERYTYPE_VERTEXTIMINGS:
 630         case WINED3DQUERYTYPE_PIXELTIMINGS:
 631         case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
 632         case WINED3DQUERYTYPE_CACHEUTILIZATION:
 633         default:
 634             FIXME("Unhandled query type %#x.\n", type);
 635             return WINED3DERR_NOTAVAILABLE;
 636     }
 637
 638     query->type = type;
 639     query->state = QUERY_CREATED;
 640     query->device = device;
 641     query->parent = parent;
 642     query->ref = 1;
 643
 644     return WINED3D_OK;
 645 }