reactos/dll/directx/wine/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 /*
  28  * Occlusion Queries:
  29  * http://www.gris.uni-tuebingen.de/~bartz/Publications/paper/hww98.pdf
  30  * http://oss.sgi.com/projects/ogl-sample/registry/ARB/occlusion_query.txt
  31  */
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  34 #define GLINFO_LOCATION This->device->adapter->gl_info
  35
  36 /* *******************************************
  37    IWineD3DQuery IUnknown parts follow
  38    ******************************************* */
  39 static HRESULT  WINAPI IWineD3DQueryImpl_QueryInterface(IWineD3DQuery *iface, REFIID riid, LPVOID *ppobj)
  40 {
  41     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  42     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  43     if (IsEqualGUID(riid, &IID_IUnknown)
  44         || IsEqualGUID(riid, &IID_IWineD3DBase)
  45         || IsEqualGUID(riid, &IID_IWineD3DQuery)) {
  46         IUnknown_AddRef(iface);
  47         *ppobj = This;
  48         return S_OK;
  49     }
  50     *ppobj = NULL;
  51     return E_NOINTERFACE;
  52 }
  53
  54 static ULONG  WINAPI IWineD3DQueryImpl_AddRef(IWineD3DQuery *iface) {
  55     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  56     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  57     return InterlockedIncrement(&This->ref);
  58 }
  59
  60 static ULONG  WINAPI IWineD3DQueryImpl_Release(IWineD3DQuery *iface) {
  61     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  62     ULONG ref;
  63     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  64     ref = InterlockedDecrement(&This->ref);
  65     if (ref == 0) {
  66         /* Queries are specific to the GL context that created them. Not
  67          * deleting the query will obviously leak it, but that's still better
  68          * than potentially deleting a different query with the same id in this
  69          * context, and (still) leaking the actual query. */
  70         if (This->type == WINED3DQUERYTYPE_EVENT)
  71         {
  72             struct wined3d_event_query *query = This->extendedData;
  73
  74             if (query->context) context_free_event_query(query);
  75         }
  76         else if (This->type == WINED3DQUERYTYPE_OCCLUSION)
  77         {
  78             struct wined3d_occlusion_query *query = This->extendedData;
  79
  80             if (query->context) context_free_occlusion_query(query);
  81         }
  82
  83         HeapFree(GetProcessHeap(), 0, This->extendedData);
  84         HeapFree(GetProcessHeap(), 0, This);
  85     }
  86     return ref;
  87 }
  88
  89 /* *******************************************
  90    IWineD3DQuery IWineD3DQuery parts follow
  91    ******************************************* */
  92 static HRESULT WINAPI IWineD3DQueryImpl_GetParent(IWineD3DQuery *iface, IUnknown **parent)
  93 {
  94     TRACE("iface %p, parent %p.\n", iface, parent);
  95
  96     *parent = (IUnknown *)parent;
  97     IUnknown_AddRef(*parent);
  98
  99     TRACE("Returning %p.\n", *parent);
 100
 101     return WINED3D_OK;
 102 }
 103
 104 static HRESULT  WINAPI IWineD3DQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags){
 105     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 106     HRESULT res = S_OK;
 107
 108     TRACE("(%p) : type %#x, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, This->type, pData, dwSize, dwGetDataFlags);
 109
 110     switch (This->type){
 111
 112     case WINED3DQUERYTYPE_VCACHE:
 113     {
 114
 115         WINED3DDEVINFO_VCACHE *data = pData;
 116         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VCACHE\n", This);
 117         if(pData == NULL || dwSize == 0) break;
 118         data->Pattern     = WINEMAKEFOURCC('C','A','C','H');
 119         data->OptMethod   = 0; /*0 get longest strips, 1 optimize vertex cache*/
 120         data->CacheSize   = 0; /*cache size, only required if OptMethod == 1*/
 121         data->MagicNumber = 0; /*only required if OptMethod == 1 (used internally)*/
 122
 123     }
 124     break;
 125     case WINED3DQUERYTYPE_RESOURCEMANAGER:
 126     {
 127         WINED3DDEVINFO_RESOURCEMANAGER *data = pData;
 128         int i;
 129         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_RESOURCEMANAGER\n", This);
 130         if(pData == NULL || dwSize == 0) break;
 131         for(i = 0; i < WINED3DRTYPECOUNT; i++){
 132             /*I'm setting the default values to 1 so as to reduce the risk of a div/0 in the caller*/
 133             /*  isTextureResident could be used to get some of this information  */
 134             data->stats[i].bThrashing            = FALSE;
 135             data->stats[i].ApproxBytesDownloaded = 1;
 136             data->stats[i].NumEvicts             = 1;
 137             data->stats[i].NumVidCreates         = 1;
 138             data->stats[i].LastPri               = 1;
 139             data->stats[i].NumUsed               = 1;
 140             data->stats[i].NumUsedInVidMem       = 1;
 141             data->stats[i].WorkingSet            = 1;
 142             data->stats[i].WorkingSetBytes       = 1;
 143             data->stats[i].TotalManaged          = 1;
 144             data->stats[i].TotalBytes            = 1;
 145         }
 146
 147     }
 148     break;
 149     case WINED3DQUERYTYPE_VERTEXSTATS:
 150     {
 151         WINED3DDEVINFO_VERTEXSTATS *data = pData;
 152         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VERTEXSTATS\n", This);
 153         if(pData == NULL || dwSize == 0) break;
 154         data->NumRenderedTriangles      = 1;
 155         data->NumExtraClippingTriangles = 1;
 156
 157     }
 158     break;
 159     case WINED3DQUERYTYPE_TIMESTAMP:
 160     {
 161         UINT64* data = pData;
 162         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMP\n", This);
 163         if(pData == NULL || dwSize == 0) break;
 164         *data = 1; /*Don't know what this is supposed to be*/
 165     }
 166     break;
 167     case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
 168     {
 169         BOOL* data = pData;
 170         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMPDISJOINT\n", This);
 171         if(pData == NULL || dwSize == 0) break;
 172         *data = FALSE; /*Don't know what this is supposed to be*/
 173     }
 174     break;
 175     case WINED3DQUERYTYPE_TIMESTAMPFREQ:
 176     {
 177         UINT64* data = pData;
 178         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMPFREQ\n", This);
 179         if(pData == NULL || dwSize == 0) break;
 180         *data = 1; /*Don't know what this is supposed to be*/
 181     }
 182     break;
 183     case WINED3DQUERYTYPE_PIPELINETIMINGS:
 184     {
 185         WINED3DDEVINFO_PIPELINETIMINGS *data = pData;
 186         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_PIPELINETIMINGS\n", This);
 187         if(pData == NULL || dwSize == 0) break;
 188
 189         data->VertexProcessingTimePercent    =   1.0f;
 190         data->PixelProcessingTimePercent     =   1.0f;
 191         data->OtherGPUProcessingTimePercent  =  97.0f;
 192         data->GPUIdleTimePercent             =   1.0f;
 193     }
 194     break;
 195     case WINED3DQUERYTYPE_INTERFACETIMINGS:
 196     {
 197         WINED3DDEVINFO_INTERFACETIMINGS *data = pData;
 198         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_INTERFACETIMINGS\n", This);
 199
 200         if(pData == NULL || dwSize == 0) break;
 201         data->WaitingForGPUToUseApplicationResourceTimePercent =   1.0f;
 202         data->WaitingForGPUToAcceptMoreCommandsTimePercent     =   1.0f;
 203         data->WaitingForGPUToStayWithinLatencyTimePercent      =   1.0f;
 204         data->WaitingForGPUExclusiveResourceTimePercent        =   1.0f;
 205         data->WaitingForGPUOtherTimePercent                    =  96.0f;
 206     }
 207
 208     break;
 209     case WINED3DQUERYTYPE_VERTEXTIMINGS:
 210     {
 211         WINED3DDEVINFO_STAGETIMINGS *data = pData;
 212         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VERTEXTIMINGS\n", This);
 213
 214         if(pData == NULL || dwSize == 0) break;
 215         data->MemoryProcessingPercent      = 50.0f;
 216         data->ComputationProcessingPercent = 50.0f;
 217
 218     }
 219     break;
 220     case WINED3DQUERYTYPE_PIXELTIMINGS:
 221     {
 222         WINED3DDEVINFO_STAGETIMINGS *data = pData;
 223         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_PIXELTIMINGS\n", This);
 224
 225         if(pData == NULL || dwSize == 0) break;
 226         data->MemoryProcessingPercent      = 50.0f;
 227         data->ComputationProcessingPercent = 50.0f;
 228     }
 229     break;
 230     case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
 231     {
 232         WINED3DDEVINFO_BANDWIDTHTIMINGS *data = pData;
 233         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_BANDWIDTHTIMINGS\n", This);
 234
 235         if(pData == NULL || dwSize == 0) break;
 236         data->MaxBandwidthUtilized                =  1.0f;
 237         data->FrontEndUploadMemoryUtilizedPercent =  1.0f;
 238         data->VertexRateUtilizedPercent           =  1.0f;
 239         data->TriangleSetupRateUtilizedPercent    =  1.0f;
 240         data->FillRateUtilizedPercent             = 97.0f;
 241     }
 242     break;
 243     case WINED3DQUERYTYPE_CACHEUTILIZATION:
 244     {
 245         WINED3DDEVINFO_CACHEUTILIZATION *data = pData;
 246         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_CACHEUTILIZATION\n", This);
 247
 248         if(pData == NULL || dwSize == 0) break;
 249         data->TextureCacheHitRate             = 1.0f;
 250         data->PostTransformVertexCacheHitRate = 1.0f;
 251     }
 252
 253
 254     break;
 255     default:
 256         FIXME("(%p) Unhandled query type %d\n",This , This->type);
 257
 258     };
 259
 260     /*dwGetDataFlags = 0 || D3DGETDATA_FLUSH
 261     D3DGETDATA_FLUSH may return WINED3DERR_DEVICELOST if the device is lost
 262     */
 263     return res; /* S_OK if the query data is available*/
 264 }
 265
 266 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 267     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 268     struct wined3d_occlusion_query *query = This->extendedData;
 269     IWineD3DDeviceImpl *device = This->device;
 270     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 271     struct wined3d_context *context;
 272     DWORD* data = pData;
 273     GLuint available;
 274     GLuint samples;
 275     HRESULT res;
 276
 277     TRACE("(%p) : type D3DQUERY_OCCLUSION, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 278
 279     if (!query->context) This->state = QUERY_CREATED;
 280
 281     if (This->state == QUERY_CREATED)
 282     {
 283         /* D3D allows GetData on a new query, OpenGL doesn't. So just invent the data ourselves */
 284         TRACE("Query wasn't yet started, returning S_OK\n");
 285         if(data) *data = 0;
 286         return S_OK;
 287     }
 288
 289     if (This->state == QUERY_BUILDING)
 290     {
 291         /* Msdn says this returns an error, but our tests show that S_FALSE is returned */
 292         TRACE("Query is building, returning S_FALSE\n");
 293         return S_FALSE;
 294     }
 295
 296     if (!gl_info->supported[ARB_OCCLUSION_QUERY])
 297     {
 298         WARN("(%p) : Occlusion queries not supported. Returning 1.\n", This);
 299         *data = 1;
 300         return S_OK;
 301     }
 302
 303     if (query->context->tid != GetCurrentThreadId())
 304     {
 305         FIXME("%p Wrong thread, returning 1.\n", This);
 306         *data = 1;
 307         return S_OK;
 308     }
 309
 310     context = context_acquire(This->device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
 311
 312     ENTER_GL();
 313
 314     GL_EXTCALL(glGetQueryObjectuivARB(query->id, GL_QUERY_RESULT_AVAILABLE_ARB, &available));
 315     checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT_AVAILABLE)");
 316     TRACE("(%p) : available %d.\n", This, available);
 317
 318     if (available)
 319     {
 320         if (data)
 321         {
 322             GL_EXTCALL(glGetQueryObjectuivARB(query->id, GL_QUERY_RESULT_ARB, &samples));
 323             checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT)");
 324             TRACE("(%p) : Returning %d samples.\n", This, samples);
 325             *data = samples;
 326         }
 327         res = S_OK;
 328     }
 329     else
 330     {
 331         res = S_FALSE;
 332     }
 333
 334     LEAVE_GL();
 335
 336     context_release(context);
 337
 338     return res;
 339 }
 340
 341 static HRESULT  WINAPI IWineD3DEventQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 342     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 343     struct wined3d_event_query *query = This->extendedData;
 344     struct wined3d_context *context;
 345     BOOL *data = pData;
 346
 347     TRACE("(%p) : type D3DQUERY_EVENT, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 348
 349     if (!pData || !dwSize) return S_OK;
 350
 351     if (!query->context)
 352     {
 353         TRACE("Query not started, returning TRUE.\n");
 354         *data = TRUE;
 355
 356         return S_OK;
 357     }
 358
 359     if (query->context->tid != GetCurrentThreadId())
 360     {
 361         /* See comment in IWineD3DQuery::Issue, event query codeblock */
 362         FIXME("Wrong thread, reporting GPU idle.\n");
 363         *data = TRUE;
 364
 365         return S_OK;
 366     }
 367
 368     context = context_acquire(This->device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
 369
 370     ENTER_GL();
 371
 372     if (context->gl_info->supported[APPLE_FENCE])
 373     {
 374         *data = GL_EXTCALL(glTestFenceAPPLE(query->id));
 375         checkGLcall("glTestFenceAPPLE");
 376     }
 377     else if (context->gl_info->supported[NV_FENCE])
 378     {
 379         *data = GL_EXTCALL(glTestFenceNV(query->id));
 380         checkGLcall("glTestFenceNV");
 381     }
 382     else
 383     {
 384         WARN("(%p): reporting GPU idle\n", This);
 385         *data = TRUE;
 386     }
 387
 388     LEAVE_GL();
 389
 390     context_release(context);
 391
 392     return S_OK;
 393 }
 394
 395 static DWORD  WINAPI IWineD3DQueryImpl_GetDataSize(IWineD3DQuery* iface){
 396     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 397     int dataSize = 0;
 398     TRACE("(%p) : type %#x\n", This, This->type);
 399     switch(This->type){
 400     case WINED3DQUERYTYPE_VCACHE:
 401         dataSize = sizeof(WINED3DDEVINFO_VCACHE);
 402         break;
 403     case WINED3DQUERYTYPE_RESOURCEMANAGER:
 404         dataSize = sizeof(WINED3DDEVINFO_RESOURCEMANAGER);
 405         break;
 406     case WINED3DQUERYTYPE_VERTEXSTATS:
 407         dataSize = sizeof(WINED3DDEVINFO_VERTEXSTATS);
 408         break;
 409     case WINED3DQUERYTYPE_EVENT:
 410         dataSize = sizeof(BOOL);
 411         break;
 412     case WINED3DQUERYTYPE_TIMESTAMP:
 413         dataSize = sizeof(UINT64);
 414         break;
 415     case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
 416         dataSize = sizeof(BOOL);
 417         break;
 418     case WINED3DQUERYTYPE_TIMESTAMPFREQ:
 419         dataSize = sizeof(UINT64);
 420         break;
 421     case WINED3DQUERYTYPE_PIPELINETIMINGS:
 422         dataSize = sizeof(WINED3DDEVINFO_PIPELINETIMINGS);
 423         break;
 424     case WINED3DQUERYTYPE_INTERFACETIMINGS:
 425         dataSize = sizeof(WINED3DDEVINFO_INTERFACETIMINGS);
 426         break;
 427     case WINED3DQUERYTYPE_VERTEXTIMINGS:
 428         dataSize = sizeof(WINED3DDEVINFO_STAGETIMINGS);
 429         break;
 430     case WINED3DQUERYTYPE_PIXELTIMINGS:
 431         dataSize = sizeof(WINED3DDEVINFO_STAGETIMINGS);
 432         break;
 433     case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
 434         dataSize = sizeof(WINED3DQUERYTYPE_BANDWIDTHTIMINGS);
 435         break;
 436     case WINED3DQUERYTYPE_CACHEUTILIZATION:
 437         dataSize = sizeof(WINED3DDEVINFO_CACHEUTILIZATION);
 438         break;
 439     default:
 440        FIXME("(%p) Unhandled query type %d\n",This , This->type);
 441        dataSize = 0;
 442     }
 443     return dataSize;
 444 }
 445
 446 static DWORD  WINAPI IWineD3DEventQueryImpl_GetDataSize(IWineD3DQuery* iface){
 447     TRACE("(%p) : type D3DQUERY_EVENT\n", iface);
 448
 449     return sizeof(BOOL);
 450 }
 451
 452 static DWORD  WINAPI IWineD3DOcclusionQueryImpl_GetDataSize(IWineD3DQuery* iface){
 453     TRACE("(%p) : type D3DQUERY_OCCLUSION\n", iface);
 454
 455     return sizeof(DWORD);
 456 }
 457
 458 static WINED3DQUERYTYPE  WINAPI IWineD3DQueryImpl_GetType(IWineD3DQuery* iface){
 459     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 460     return This->type;
 461 }
 462
 463
 464 static HRESULT  WINAPI IWineD3DEventQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 465     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 466
 467     TRACE("(%p) : dwIssueFlags %#x, type D3DQUERY_EVENT\n", This, dwIssueFlags);
 468     if (dwIssueFlags & WINED3DISSUE_END)
 469     {
 470         struct wined3d_event_query *query = This->extendedData;
 471         struct wined3d_context *context;
 472
 473         if (query->context)
 474         {
 475             if (query->context->tid != GetCurrentThreadId())
 476             {
 477                 context_free_event_query(query);
 478                 context = context_acquire(This->device, NULL, CTXUSAGE_RESOURCELOAD);
 479                 context_alloc_event_query(context, query);
 480             }
 481             else
 482             {
 483                 context = context_acquire(This->device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
 484             }
 485         }
 486         else
 487         {
 488             context = context_acquire(This->device, NULL, CTXUSAGE_RESOURCELOAD);
 489             context_alloc_event_query(context, query);
 490         }
 491
 492         ENTER_GL();
 493
 494         if (context->gl_info->supported[APPLE_FENCE])
 495         {
 496             GL_EXTCALL(glSetFenceAPPLE(query->id));
 497             checkGLcall("glSetFenceAPPLE");
 498         }
 499         else if (context->gl_info->supported[NV_FENCE])
 500         {
 501             GL_EXTCALL(glSetFenceNV(query->id, GL_ALL_COMPLETED_NV));
 502             checkGLcall("glSetFenceNV");
 503         }
 504
 505         LEAVE_GL();
 506
 507         context_release(context);
 508     }
 509     else if(dwIssueFlags & WINED3DISSUE_BEGIN)
 510     {
 511         /* Started implicitly at device creation */
 512         ERR("Event query issued with START flag - what to do?\n");
 513     }
 514
 515     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 516         This->state = QUERY_BUILDING;
 517     } else {
 518         This->state = QUERY_SIGNALLED;
 519     }
 520
 521     return WINED3D_OK;
 522 }
 523
 524 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 525     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 526     IWineD3DDeviceImpl *device = This->device;
 527     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 528
 529     if (gl_info->supported[ARB_OCCLUSION_QUERY])
 530     {
 531         struct wined3d_occlusion_query *query = This->extendedData;
 532         struct wined3d_context *context;
 533
 534         /* This is allowed according to msdn and our tests. Reset the query and restart */
 535         if (dwIssueFlags & WINED3DISSUE_BEGIN)
 536         {
 537             if (This->state == QUERY_BUILDING)
 538             {
 539                 if (query->context->tid != GetCurrentThreadId())
 540                 {
 541                     FIXME("Wrong thread, can't restart query.\n");
 542
 543                     context_free_occlusion_query(query);
 544                     context = context_acquire(This->device, NULL, CTXUSAGE_RESOURCELOAD);
 545                     context_alloc_occlusion_query(context, query);
 546                 }
 547                 else
 548                 {
 549                     context = context_acquire(This->device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
 550
 551                     ENTER_GL();
 552                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 553                     checkGLcall("glEndQuery()");
 554                     LEAVE_GL();
 555                 }
 556             }
 557             else
 558             {
 559                 if (query->context) context_free_occlusion_query(query);
 560                 context = context_acquire(This->device, NULL, CTXUSAGE_RESOURCELOAD);
 561                 context_alloc_occlusion_query(context, query);
 562             }
 563
 564             ENTER_GL();
 565             GL_EXTCALL(glBeginQueryARB(GL_SAMPLES_PASSED_ARB, query->id));
 566             checkGLcall("glBeginQuery()");
 567             LEAVE_GL();
 568
 569             context_release(context);
 570         }
 571         if (dwIssueFlags & WINED3DISSUE_END) {
 572             /* Msdn says _END on a non-building occlusion query returns an error, but
 573              * our tests show that it returns OK. But OpenGL doesn't like it, so avoid
 574              * generating an error
 575              */
 576             if (This->state == QUERY_BUILDING)
 577             {
 578                 if (query->context->tid != GetCurrentThreadId())
 579                 {
 580                     FIXME("Wrong thread, can't end query.\n");
 581                 }
 582                 else
 583                 {
 584                     context = context_acquire(This->device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
 585
 586                     ENTER_GL();
 587                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 588                     checkGLcall("glEndQuery()");
 589                     LEAVE_GL();
 590
 591                     context_release(context);
 592                 }
 593             }
 594         }
 595     } else {
 596         FIXME("(%p) : Occlusion queries not supported\n", This);
 597     }
 598
 599     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 600         This->state = QUERY_BUILDING;
 601     } else {
 602         This->state = QUERY_SIGNALLED;
 603     }
 604     return WINED3D_OK; /* can be WINED3DERR_INVALIDCALL.    */
 605 }
 606
 607 static HRESULT  WINAPI IWineD3DQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags){
 608     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 609
 610     TRACE("(%p) : dwIssueFlags %#x, type %#x\n", This, dwIssueFlags, This->type);
 611
 612     /* The fixme is printed when the app asks for the resulting data */
 613     WARN("(%p) : Unhandled query type %#x\n", This, This->type);
 614
 615     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 616         This->state = QUERY_BUILDING;
 617     } else {
 618         This->state = QUERY_SIGNALLED;
 619     }
 620
 621     return WINED3D_OK; /* can be WINED3DERR_INVALIDCALL.    */
 622 }
 623
 624
 625 /**********************************************************
 626  * IWineD3DQuery VTbl follows
 627  **********************************************************/
 628
 629 const IWineD3DQueryVtbl IWineD3DQuery_Vtbl =
 630 {
 631     /*** IUnknown methods ***/
 632     IWineD3DQueryImpl_QueryInterface,
 633     IWineD3DQueryImpl_AddRef,
 634     IWineD3DQueryImpl_Release,
 635      /*** IWineD3Dquery methods ***/
 636     IWineD3DQueryImpl_GetParent,
 637     IWineD3DQueryImpl_GetData,
 638     IWineD3DQueryImpl_GetDataSize,
 639     IWineD3DQueryImpl_GetType,
 640     IWineD3DQueryImpl_Issue
 641 };
 642
 643 const IWineD3DQueryVtbl IWineD3DEventQuery_Vtbl =
 644 {
 645     /*** IUnknown methods ***/
 646     IWineD3DQueryImpl_QueryInterface,
 647     IWineD3DQueryImpl_AddRef,
 648     IWineD3DQueryImpl_Release,
 649     /*** IWineD3Dquery methods ***/
 650     IWineD3DQueryImpl_GetParent,
 651     IWineD3DEventQueryImpl_GetData,
 652     IWineD3DEventQueryImpl_GetDataSize,
 653     IWineD3DQueryImpl_GetType,
 654     IWineD3DEventQueryImpl_Issue
 655 };
 656
 657 const IWineD3DQueryVtbl IWineD3DOcclusionQuery_Vtbl =
 658 {
 659     /*** IUnknown methods ***/
 660     IWineD3DQueryImpl_QueryInterface,
 661     IWineD3DQueryImpl_AddRef,
 662     IWineD3DQueryImpl_Release,
 663     /*** IWineD3Dquery methods ***/
 664     IWineD3DQueryImpl_GetParent,
 665     IWineD3DOcclusionQueryImpl_GetData,
 666     IWineD3DOcclusionQueryImpl_GetDataSize,
 667     IWineD3DQueryImpl_GetType,
 668     IWineD3DOcclusionQueryImpl_Issue
 669 };