dlls/wined3d/query.c

   1 /*
   2  * IWineD3DQuery implementation
   3  *
   4  * Copyright 2005 Oliver Stieber
   5  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22
  23 #include "config.h"
  24 #include "wined3d_private.h"
  25
  26 /*
  27  * Occlusion Queries:
  28  * http://www.gris.uni-tuebingen.de/~bartz/Publications/paper/hww98.pdf
  29  * http://oss.sgi.com/projects/ogl-sample/registry/ARB/occlusion_query.txt
  30  */
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  33 #define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info
  34
  35 /* *******************************************
  36    IWineD3DQuery IUnknown parts follow
  37    ******************************************* */
  38 static HRESULT  WINAPI IWineD3DQueryImpl_QueryInterface(IWineD3DQuery *iface, REFIID riid, LPVOID *ppobj)
  39 {
  40     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  41     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
  42     if (IsEqualGUID(riid, &IID_IUnknown)
  43         || IsEqualGUID(riid, &IID_IWineD3DBase)
  44         || IsEqualGUID(riid, &IID_IWineD3DQuery)) {
  45         IUnknown_AddRef(iface);
  46         *ppobj = This;
  47         return S_OK;
  48     }
  49     *ppobj = NULL;
  50     return E_NOINTERFACE;
  51 }
  52
  53 static ULONG  WINAPI IWineD3DQueryImpl_AddRef(IWineD3DQuery *iface) {
  54     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  55     TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
  56     return InterlockedIncrement(&This->ref);
  57 }
  58
  59 static ULONG  WINAPI IWineD3DQueryImpl_Release(IWineD3DQuery *iface) {
  60     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
  61     ULONG ref;
  62     TRACE("(%p) : Releasing from %d\n", This, This->ref);
  63     ref = InterlockedDecrement(&This->ref);
  64     if (ref == 0) {
  65         ActivateContext(This->wineD3DDevice, This->wineD3DDevice->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
  66
  67         ENTER_GL();
  68         /* Queries are specific to the GL context that created them. Not
  69          * deleting the query will obviously leak it, but that's still better
  70          * than potentially deleting a different query with the same id in this
  71          * context, and (still) leaking the actual query. */
  72         if(This->type == WINED3DQUERYTYPE_EVENT) {
  73             if (((WineQueryEventData *)This->extendedData)->ctx != This->wineD3DDevice->activeContext
  74                     || This->wineD3DDevice->activeContext->tid != GetCurrentThreadId())
  75             {
  76                 FIXME("Query was created in a different context, skipping deletion\n");
  77             }
  78             else if(GL_SUPPORT(APPLE_FENCE))
  79             {
  80                 GL_EXTCALL(glDeleteFencesAPPLE(1, &((WineQueryEventData *)(This->extendedData))->fenceId));
  81                 checkGLcall("glDeleteFencesAPPLE");
  82             } else if(GL_SUPPORT(NV_FENCE)) {
  83                 GL_EXTCALL(glDeleteFencesNV(1, &((WineQueryEventData *)(This->extendedData))->fenceId));
  84                 checkGLcall("glDeleteFencesNV");
  85             }
  86         } else if(This->type == WINED3DQUERYTYPE_OCCLUSION && GL_SUPPORT(ARB_OCCLUSION_QUERY)) {
  87             if (((WineQueryOcclusionData *)This->extendedData)->ctx != This->wineD3DDevice->activeContext
  88                     || This->wineD3DDevice->activeContext->tid != GetCurrentThreadId())
  89             {
  90                 FIXME("Query was created in a different context, skipping deletion\n");
  91             }
  92             else
  93             {
  94                 GL_EXTCALL(glDeleteQueriesARB(1, &((WineQueryOcclusionData *)(This->extendedData))->queryId));
  95                 checkGLcall("glDeleteQueriesARB");
  96             }
  97         }
  98         LEAVE_GL();
  99
 100         HeapFree(GetProcessHeap(), 0, This->extendedData);
 101         HeapFree(GetProcessHeap(), 0, This);
 102     }
 103     return ref;
 104 }
 105
 106 /* *******************************************
 107    IWineD3DQuery IWineD3DQuery parts follow
 108    ******************************************* */
 109 static HRESULT  WINAPI IWineD3DQueryImpl_GetParent(IWineD3DQuery *iface, IUnknown** parent){
 110     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 111
 112     *parent= (IUnknown*) parent;
 113     IUnknown_AddRef(*parent);
 114     TRACE("(%p) : returning %p\n", This, *parent);
 115     return WINED3D_OK;
 116 }
 117
 118 static HRESULT  WINAPI IWineD3DQueryImpl_GetDevice(IWineD3DQuery* iface, IWineD3DDevice **pDevice){
 119     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 120     IWineD3DDevice_AddRef((IWineD3DDevice *)This->wineD3DDevice);
 121     *pDevice = (IWineD3DDevice *)This->wineD3DDevice;
 122     TRACE("(%p) returning %p\n", This, *pDevice);
 123     return WINED3D_OK;
 124 }
 125
 126
 127 static HRESULT  WINAPI IWineD3DQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags){
 128     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 129     HRESULT res = S_OK;
 130
 131     TRACE("(%p) : type %#x, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, This->type, pData, dwSize, dwGetDataFlags);
 132
 133     switch (This->type){
 134
 135     case WINED3DQUERYTYPE_VCACHE:
 136     {
 137
 138         WINED3DDEVINFO_VCACHE *data = pData;
 139         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VCACHE\n", This);
 140         if(pData == NULL || dwSize == 0) break;
 141         data->Pattern     = WINEMAKEFOURCC('C','A','C','H');
 142         data->OptMethod   = 0; /*0 get longest strips, 1 optimize vertex cache*/
 143         data->CacheSize   = 0; /*cache size, only required if OptMethod == 1*/
 144         data->MagicNumber = 0; /*only required if OptMethod == 1 (used internally)*/
 145
 146     }
 147     break;
 148     case WINED3DQUERYTYPE_RESOURCEMANAGER:
 149     {
 150         WINED3DDEVINFO_RESOURCEMANAGER *data = pData;
 151         int i;
 152         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_RESOURCEMANAGER\n", This);
 153         if(pData == NULL || dwSize == 0) break;
 154         for(i = 0; i < WINED3DRTYPECOUNT; i++){
 155             /*I'm setting the default values to 1 so as to reduce the risk of a div/0 in the caller*/
 156             /*  isTextureResident could be used to get some of this information  */
 157             data->stats[i].bThrashing            = FALSE;
 158             data->stats[i].ApproxBytesDownloaded = 1;
 159             data->stats[i].NumEvicts             = 1;
 160             data->stats[i].NumVidCreates         = 1;
 161             data->stats[i].LastPri               = 1;
 162             data->stats[i].NumUsed               = 1;
 163             data->stats[i].NumUsedInVidMem       = 1;
 164             data->stats[i].WorkingSet            = 1;
 165             data->stats[i].WorkingSetBytes       = 1;
 166             data->stats[i].TotalManaged          = 1;
 167             data->stats[i].TotalBytes            = 1;
 168         }
 169
 170     }
 171     break;
 172     case WINED3DQUERYTYPE_VERTEXSTATS:
 173     {
 174         WINED3DDEVINFO_VERTEXSTATS *data = pData;
 175         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VERTEXSTATS\n", This);
 176         if(pData == NULL || dwSize == 0) break;
 177         data->NumRenderedTriangles      = 1;
 178         data->NumExtraClippingTriangles = 1;
 179
 180     }
 181     break;
 182     case WINED3DQUERYTYPE_TIMESTAMP:
 183     {
 184         UINT64* data = pData;
 185         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMP\n", This);
 186         if(pData == NULL || dwSize == 0) break;
 187         *data = 1; /*Don't know what this is supposed to be*/
 188     }
 189     break;
 190     case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
 191     {
 192         BOOL* data = pData;
 193         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMPDISJOINT\n", This);
 194         if(pData == NULL || dwSize == 0) break;
 195         *data = FALSE; /*Don't know what this is supposed to be*/
 196     }
 197     break;
 198     case WINED3DQUERYTYPE_TIMESTAMPFREQ:
 199     {
 200         UINT64* data = pData;
 201         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMPFREQ\n", This);
 202         if(pData == NULL || dwSize == 0) break;
 203         *data = 1; /*Don't know what this is supposed to be*/
 204     }
 205     break;
 206     case WINED3DQUERYTYPE_PIPELINETIMINGS:
 207     {
 208         WINED3DDEVINFO_PIPELINETIMINGS *data = pData;
 209         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_PIPELINETIMINGS\n", This);
 210         if(pData == NULL || dwSize == 0) break;
 211
 212         data->VertexProcessingTimePercent    =   1.0f;
 213         data->PixelProcessingTimePercent     =   1.0f;
 214         data->OtherGPUProcessingTimePercent  =  97.0f;
 215         data->GPUIdleTimePercent             =   1.0f;
 216     }
 217     break;
 218     case WINED3DQUERYTYPE_INTERFACETIMINGS:
 219     {
 220         WINED3DDEVINFO_INTERFACETIMINGS *data = pData;
 221         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_INTERFACETIMINGS\n", This);
 222
 223         if(pData == NULL || dwSize == 0) break;
 224         data->WaitingForGPUToUseApplicationResourceTimePercent =   1.0f;
 225         data->WaitingForGPUToAcceptMoreCommandsTimePercent     =   1.0f;
 226         data->WaitingForGPUToStayWithinLatencyTimePercent      =   1.0f;
 227         data->WaitingForGPUExclusiveResourceTimePercent        =   1.0f;
 228         data->WaitingForGPUOtherTimePercent                    =  96.0f;
 229     }
 230
 231     break;
 232     case WINED3DQUERYTYPE_VERTEXTIMINGS:
 233     {
 234         WINED3DDEVINFO_STAGETIMINGS *data = pData;
 235         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VERTEXTIMINGS\n", This);
 236
 237         if(pData == NULL || dwSize == 0) break;
 238         data->MemoryProcessingPercent      = 50.0f;
 239         data->ComputationProcessingPercent = 50.0f;
 240
 241     }
 242     break;
 243     case WINED3DQUERYTYPE_PIXELTIMINGS:
 244     {
 245         WINED3DDEVINFO_STAGETIMINGS *data = pData;
 246         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_PIXELTIMINGS\n", This);
 247
 248         if(pData == NULL || dwSize == 0) break;
 249         data->MemoryProcessingPercent      = 50.0f;
 250         data->ComputationProcessingPercent = 50.0f;
 251     }
 252     break;
 253     case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
 254     {
 255         WINED3DDEVINFO_BANDWIDTHTIMINGS *data = pData;
 256         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_BANDWIDTHTIMINGS\n", This);
 257
 258         if(pData == NULL || dwSize == 0) break;
 259         data->MaxBandwidthUtilized                =  1.0f;
 260         data->FrontEndUploadMemoryUtilizedPercent =  1.0f;
 261         data->VertexRateUtilizedPercent           =  1.0f;
 262         data->TriangleSetupRateUtilizedPercent    =  1.0f;
 263         data->FillRateUtilizedPercent             = 97.0f;
 264     }
 265     break;
 266     case WINED3DQUERYTYPE_CACHEUTILIZATION:
 267     {
 268         WINED3DDEVINFO_CACHEUTILIZATION *data = pData;
 269         FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_CACHEUTILIZATION\n", This);
 270
 271         if(pData == NULL || dwSize == 0) break;
 272         data->TextureCacheHitRate             = 1.0f;
 273         data->PostTransformVertexCacheHitRate = 1.0f;
 274     }
 275
 276
 277     break;
 278     default:
 279         FIXME("(%p) Unhandled query type %d\n",This , This->type);
 280
 281     };
 282
 283     /*dwGetDataFlags = 0 || D3DGETDATA_FLUSH
 284     D3DGETDATA_FLUSH may return WINED3DERR_DEVICELOST if the device is lost
 285     */
 286     return res; /* S_OK if the query data is available*/
 287 }
 288
 289 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 290     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 291     GLuint queryId = ((WineQueryOcclusionData *)This->extendedData)->queryId;
 292     DWORD* data = pData;
 293     GLuint available;
 294     GLuint samples;
 295     HRESULT res;
 296
 297     TRACE("(%p) : type D3DQUERY_OCCLUSION, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 298
 299     if (This->state == QUERY_CREATED)
 300     {
 301         /* D3D allows GetData on a new query, OpenGL doesn't. So just invent the data ourselves */
 302         TRACE("Query wasn't yet started, returning S_OK\n");
 303         if(data) *data = 0;
 304         return S_OK;
 305     }
 306
 307     if (This->state == QUERY_BUILDING)
 308     {
 309         /* Msdn says this returns an error, but our tests show that S_FALSE is returned */
 310         TRACE("Query is building, returning S_FALSE\n");
 311         return S_FALSE;
 312     }
 313
 314     if (!GL_SUPPORT(ARB_OCCLUSION_QUERY))
 315     {
 316         WARN("(%p) : Occlusion queries not supported. Returning 1.\n", This);
 317         *data = 1;
 318         return S_OK;
 319     }
 320
 321     ActivateContext(This->wineD3DDevice, This->wineD3DDevice->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 322
 323     if (((WineQueryOcclusionData *)This->extendedData)->ctx != This->wineD3DDevice->activeContext
 324             || This->wineD3DDevice->activeContext->tid != GetCurrentThreadId())
 325     {
 326         FIXME("%p Wrong context, returning 1.\n", This);
 327         *data = 1;
 328         return S_OK;
 329     }
 330
 331     ENTER_GL();
 332
 333     GL_EXTCALL(glGetQueryObjectuivARB(queryId, GL_QUERY_RESULT_AVAILABLE_ARB, &available));
 334     checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT_AVAILABLE)\n");
 335     TRACE("(%p) : available %d.\n", This, available);
 336
 337     if (available)
 338     {
 339         if (data)
 340         {
 341             GL_EXTCALL(glGetQueryObjectuivARB(queryId, GL_QUERY_RESULT_ARB, &samples));
 342             checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT)\n");
 343             TRACE("(%p) : Returning %d samples.\n", This, samples);
 344             *data = samples;
 345         }
 346         res = S_OK;
 347     }
 348     else
 349     {
 350         res = S_FALSE;
 351     }
 352
 353     LEAVE_GL();
 354
 355     return res;
 356 }
 357
 358 static HRESULT  WINAPI IWineD3DEventQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
 359     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *) iface;
 360     BOOL* data = pData;
 361     WineD3DContext *ctx;
 362     TRACE("(%p) : type D3DQUERY_EVENT, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, pData, dwSize, dwGetDataFlags);
 363
 364     ActivateContext(This->wineD3DDevice, This->wineD3DDevice->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 365
 366     ctx = ((WineQueryEventData *)This->extendedData)->ctx;
 367     if(pData == NULL || dwSize == 0) {
 368         return S_OK;
 369     } if(ctx != This->wineD3DDevice->activeContext || ctx->tid != GetCurrentThreadId()) {
 370         /* See comment in IWineD3DQuery::Issue, event query codeblock */
 371         FIXME("Query context not active, reporting GPU idle\n");
 372         *data = TRUE;
 373     } else if(GL_SUPPORT(APPLE_FENCE)) {
 374         ENTER_GL();
 375         *data = GL_EXTCALL(glTestFenceAPPLE(((WineQueryEventData *)This->extendedData)->fenceId));
 376         checkGLcall("glTestFenceAPPLE");
 377         LEAVE_GL();
 378     } else if(GL_SUPPORT(NV_FENCE)) {
 379         ENTER_GL();
 380         *data = GL_EXTCALL(glTestFenceNV(((WineQueryEventData *)This->extendedData)->fenceId));
 381         checkGLcall("glTestFenceNV");
 382         LEAVE_GL();
 383     } else {
 384         WARN("(%p): reporting GPU idle\n", This);
 385         *data = TRUE;
 386     }
 387
 388     return S_OK;
 389 }
 390
 391 static DWORD  WINAPI IWineD3DQueryImpl_GetDataSize(IWineD3DQuery* iface){
 392     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 393     int dataSize = 0;
 394     TRACE("(%p) : type %#x\n", This, This->type);
 395     switch(This->type){
 396     case WINED3DQUERYTYPE_VCACHE:
 397         dataSize = sizeof(WINED3DDEVINFO_VCACHE);
 398         break;
 399     case WINED3DQUERYTYPE_RESOURCEMANAGER:
 400         dataSize = sizeof(WINED3DDEVINFO_RESOURCEMANAGER);
 401         break;
 402     case WINED3DQUERYTYPE_VERTEXSTATS:
 403         dataSize = sizeof(WINED3DDEVINFO_VERTEXSTATS);
 404         break;
 405     case WINED3DQUERYTYPE_EVENT:
 406         dataSize = sizeof(BOOL);
 407         break;
 408     case WINED3DQUERYTYPE_TIMESTAMP:
 409         dataSize = sizeof(UINT64);
 410         break;
 411     case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
 412         dataSize = sizeof(BOOL);
 413         break;
 414     case WINED3DQUERYTYPE_TIMESTAMPFREQ:
 415         dataSize = sizeof(UINT64);
 416         break;
 417     case WINED3DQUERYTYPE_PIPELINETIMINGS:
 418         dataSize = sizeof(WINED3DDEVINFO_PIPELINETIMINGS);
 419         break;
 420     case WINED3DQUERYTYPE_INTERFACETIMINGS:
 421         dataSize = sizeof(WINED3DDEVINFO_INTERFACETIMINGS);
 422         break;
 423     case WINED3DQUERYTYPE_VERTEXTIMINGS:
 424         dataSize = sizeof(WINED3DDEVINFO_STAGETIMINGS);
 425         break;
 426     case WINED3DQUERYTYPE_PIXELTIMINGS:
 427         dataSize = sizeof(WINED3DDEVINFO_STAGETIMINGS);
 428         break;
 429     case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
 430         dataSize = sizeof(WINED3DQUERYTYPE_BANDWIDTHTIMINGS);
 431         break;
 432     case WINED3DQUERYTYPE_CACHEUTILIZATION:
 433         dataSize = sizeof(WINED3DDEVINFO_CACHEUTILIZATION);
 434         break;
 435     default:
 436        FIXME("(%p) Unhandled query type %d\n",This , This->type);
 437        dataSize = 0;
 438     }
 439     return dataSize;
 440 }
 441
 442 static DWORD  WINAPI IWineD3DEventQueryImpl_GetDataSize(IWineD3DQuery* iface){
 443     TRACE("(%p) : type D3DQUERY_EVENT\n", iface);
 444
 445     return sizeof(BOOL);
 446 }
 447
 448 static DWORD  WINAPI IWineD3DOcclusionQueryImpl_GetDataSize(IWineD3DQuery* iface){
 449     TRACE("(%p) : type D3DQUERY_OCCLUSION\n", iface);
 450
 451     return sizeof(DWORD);
 452 }
 453
 454 static WINED3DQUERYTYPE  WINAPI IWineD3DQueryImpl_GetType(IWineD3DQuery* iface){
 455     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 456     return This->type;
 457 }
 458
 459
 460 static HRESULT  WINAPI IWineD3DEventQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 461     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 462
 463     TRACE("(%p) : dwIssueFlags %#x, type D3DQUERY_EVENT\n", This, dwIssueFlags);
 464     if (dwIssueFlags & WINED3DISSUE_END) {
 465         WineD3DContext *ctx = ((WineQueryEventData *)This->extendedData)->ctx;
 466
 467         ActivateContext(This->wineD3DDevice, This->wineD3DDevice->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 468
 469         if(ctx != This->wineD3DDevice->activeContext || ctx->tid != GetCurrentThreadId()) {
 470             /* GL fences can be used only from the context that created them,
 471              * so if a different context is active, don't bother setting the query. The penalty
 472              * of a context switch is most likely higher than the gain of a correct query result
 473              *
 474              * If the query is used from a different thread, don't bother creating a multithread
 475              * context - there's no point in doing that as the query would be unusable anyway
 476              */
 477             WARN("Query context not active\n");
 478         } else if(GL_SUPPORT(APPLE_FENCE)) {
 479             ENTER_GL();
 480             GL_EXTCALL(glSetFenceAPPLE(((WineQueryEventData *)This->extendedData)->fenceId));
 481             checkGLcall("glSetFenceAPPLE");
 482             LEAVE_GL();
 483         } else if (GL_SUPPORT(NV_FENCE)) {
 484             ENTER_GL();
 485             GL_EXTCALL(glSetFenceNV(((WineQueryEventData *)This->extendedData)->fenceId, GL_ALL_COMPLETED_NV));
 486             checkGLcall("glSetFenceNV");
 487             LEAVE_GL();
 488         }
 489     } else if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 490         /* Started implicitly at device creation */
 491         ERR("Event query issued with START flag - what to do?\n");
 492     }
 493
 494     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 495         This->state = QUERY_BUILDING;
 496     } else {
 497         This->state = QUERY_SIGNALLED;
 498     }
 499
 500     return WINED3D_OK;
 501 }
 502
 503 static HRESULT  WINAPI IWineD3DOcclusionQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags) {
 504     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 505
 506     if (GL_SUPPORT(ARB_OCCLUSION_QUERY)) {
 507         WineD3DContext *ctx = ((WineQueryOcclusionData *)This->extendedData)->ctx;
 508
 509         ActivateContext(This->wineD3DDevice, This->wineD3DDevice->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 510
 511         if(ctx != This->wineD3DDevice->activeContext || ctx->tid != GetCurrentThreadId()) {
 512             FIXME("Not the owning context, can't start query\n");
 513         } else {
 514             ENTER_GL();
 515             /* This is allowed according to msdn and our tests. Reset the query and restart */
 516             if (dwIssueFlags & WINED3DISSUE_BEGIN) {
 517                 if(This->state == QUERY_BUILDING) {
 518                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 519                     checkGLcall("glEndQuery()");
 520                 }
 521
 522                 GL_EXTCALL(glBeginQueryARB(GL_SAMPLES_PASSED_ARB, ((WineQueryOcclusionData *)This->extendedData)->queryId));
 523                 checkGLcall("glBeginQuery()");
 524             }
 525             if (dwIssueFlags & WINED3DISSUE_END) {
 526                 /* Msdn says _END on a non-building occlusion query returns an error, but
 527                  * our tests show that it returns OK. But OpenGL doesn't like it, so avoid
 528                  * generating an error
 529                  */
 530                 if(This->state == QUERY_BUILDING) {
 531                     GL_EXTCALL(glEndQueryARB(GL_SAMPLES_PASSED_ARB));
 532                     checkGLcall("glEndQuery()");
 533                 }
 534             }
 535             LEAVE_GL();
 536         }
 537     } else {
 538         FIXME("(%p) : Occlusion queries not supported\n", This);
 539     }
 540
 541     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 542         This->state = QUERY_BUILDING;
 543     } else {
 544         This->state = QUERY_SIGNALLED;
 545     }
 546     return WINED3D_OK; /* can be WINED3DERR_INVALIDCALL.    */
 547 }
 548
 549 static HRESULT  WINAPI IWineD3DQueryImpl_Issue(IWineD3DQuery* iface,  DWORD dwIssueFlags){
 550     IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
 551
 552     TRACE("(%p) : dwIssueFlags %#x, type %#x\n", This, dwIssueFlags, This->type);
 553
 554     /* The fixme is printed when the app asks for the resulting data */
 555     WARN("(%p) : Unhandled query type %#x\n", This, This->type);
 556
 557     if(dwIssueFlags & WINED3DISSUE_BEGIN) {
 558         This->state = QUERY_BUILDING;
 559     } else {
 560         This->state = QUERY_SIGNALLED;
 561     }
 562
 563     return WINED3D_OK; /* can be WINED3DERR_INVALIDCALL.    */
 564 }
 565
 566
 567 /**********************************************************
 568  * IWineD3DQuery VTbl follows
 569  **********************************************************/
 570
 571 const IWineD3DQueryVtbl IWineD3DQuery_Vtbl =
 572 {
 573     /*** IUnknown methods ***/
 574     IWineD3DQueryImpl_QueryInterface,
 575     IWineD3DQueryImpl_AddRef,
 576     IWineD3DQueryImpl_Release,
 577      /*** IWineD3Dquery methods ***/
 578     IWineD3DQueryImpl_GetParent,
 579     IWineD3DQueryImpl_GetDevice,
 580     IWineD3DQueryImpl_GetData,
 581     IWineD3DQueryImpl_GetDataSize,
 582     IWineD3DQueryImpl_GetType,
 583     IWineD3DQueryImpl_Issue
 584 };
 585
 586 const IWineD3DQueryVtbl IWineD3DEventQuery_Vtbl =
 587 {
 588     /*** IUnknown methods ***/
 589     IWineD3DQueryImpl_QueryInterface,
 590     IWineD3DQueryImpl_AddRef,
 591     IWineD3DQueryImpl_Release,
 592     /*** IWineD3Dquery methods ***/
 593     IWineD3DQueryImpl_GetParent,
 594     IWineD3DQueryImpl_GetDevice,
 595     IWineD3DEventQueryImpl_GetData,
 596     IWineD3DEventQueryImpl_GetDataSize,
 597     IWineD3DQueryImpl_GetType,
 598     IWineD3DEventQueryImpl_Issue
 599 };
 600
 601 const IWineD3DQueryVtbl IWineD3DOcclusionQuery_Vtbl =
 602 {
 603     /*** IUnknown methods ***/
 604     IWineD3DQueryImpl_QueryInterface,
 605     IWineD3DQueryImpl_AddRef,
 606     IWineD3DQueryImpl_Release,
 607     /*** IWineD3Dquery methods ***/
 608     IWineD3DQueryImpl_GetParent,
 609     IWineD3DQueryImpl_GetDevice,
 610     IWineD3DOcclusionQueryImpl_GetData,
 611     IWineD3DOcclusionQueryImpl_GetDataSize,
 612     IWineD3DQueryImpl_GetType,
 613     IWineD3DOcclusionQueryImpl_Issue
 614 };