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   1 /*        DirectDraw Base Functions
   2  *
   3  * Copyright 1997-1999 Marcus Meissner
   4  * Copyright 1998 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  * Copyright 2006 Stefan Dösinger
   7  * Copyright 2008 Denver Gingerich
   8  *
   9  * This file contains the (internal) driver registration functions,
  10  * driver enumeration APIs and DirectDraw creation functions.
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2.1 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this library; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  25  */
  26
  27 #include "config.h"
  28 #include "wine/port.h"
  29
  30 #define DDRAW_INIT_GUID
  31 #include "ddraw_private.h"
  32 #include "rpcproxy.h"
  33
  34 #include "wine/exception.h"
  35 #include "winreg.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  38
  39 /* The configured default surface */
  40 enum wined3d_surface_type DefaultSurfaceType = WINED3D_SURFACE_TYPE_OPENGL;
  41
  42 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  43
  44 static HINSTANCE instance;
  45
  46 /* value of ForceRefreshRate */
  47 DWORD force_refresh_rate = 0;
  48
  49 /* Structure for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
  50 struct callback_info
  51 {
  52     LPDDENUMCALLBACKA callback;
  53     void *context;
  54 };
  55
  56 /* Enumeration callback for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
  57 static HRESULT CALLBACK enum_callback(GUID *guid, char *description, char *driver_name,
  58                                       void *context, HMONITOR monitor)
  59 {
  60     const struct callback_info *info = context;
  61
  62     return info->callback(guid, description, driver_name, info->context);
  63 }
  64
  65 /* Handle table functions */
  66 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size)
  67 {
  68     t->entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, initial_size * sizeof(*t->entries));
  69     if (!t->entries)
  70     {
  71         ERR("Failed to allocate handle table memory.\n");
  72         return FALSE;
  73     }
  74     t->free_entries = NULL;
  75     t->table_size = initial_size;
  76     t->entry_count = 0;
  77
  78     return TRUE;
  79 }
  80
  81 void ddraw_handle_table_destroy(struct ddraw_handle_table *t)
  82 {
  83     HeapFree(GetProcessHeap(), 0, t->entries);
  84     memset(t, 0, sizeof(*t));
  85 }
  86
  87 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type)
  88 {
  89     struct ddraw_handle_entry *entry;
  90
  91     if (t->free_entries)
  92     {
  93         DWORD idx = t->free_entries - t->entries;
  94         /* Use a free handle */
  95         entry = t->free_entries;
  96         if (entry->type != DDRAW_HANDLE_FREE)
  97         {
  98             ERR("Handle %#x (%p) is in the free list, but has type %#x.\n", idx, entry->object, entry->type);
  99             return DDRAW_INVALID_HANDLE;
 100         }
 101         t->free_entries = entry->object;
 102         entry->object = object;
 103         entry->type = type;
 104
 105         return idx;
 106     }
 107
 108     if (!(t->entry_count < t->table_size))
 109     {
 110         /* Grow the table */
 111         UINT new_size = t->table_size + (t->table_size >> 1);
 112         struct ddraw_handle_entry *new_entries = HeapReAlloc(GetProcessHeap(),
 113                 0, t->entries, new_size * sizeof(*t->entries));
 114         if (!new_entries)
 115         {
 116             ERR("Failed to grow the handle table.\n");
 117             return DDRAW_INVALID_HANDLE;
 118         }
 119         t->entries = new_entries;
 120         t->table_size = new_size;
 121     }
 122
 123     entry = &t->entries[t->entry_count];
 124     entry->object = object;
 125     entry->type = type;
 126
 127     return t->entry_count++;
 128 }
 129
 130 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 131 {
 132     struct ddraw_handle_entry *entry;
 133     void *object;
 134
 135     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 136     {
 137         WARN("Invalid handle %#x passed.\n", handle);
 138         return NULL;
 139     }
 140
 141     entry = &t->entries[handle];
 142     if (entry->type != type)
 143     {
 144         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 145         return NULL;
 146     }
 147
 148     object = entry->object;
 149     entry->object = t->free_entries;
 150     entry->type = DDRAW_HANDLE_FREE;
 151     t->free_entries = entry;
 152
 153     return object;
 154 }
 155
 156 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
 157 {
 158     struct ddraw_handle_entry *entry;
 159
 160     if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
 161     {
 162         WARN("Invalid handle %#x passed.\n", handle);
 163         return NULL;
 164     }
 165
 166     entry = &t->entries[handle];
 167     if (entry->type != type)
 168     {
 169         WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
 170         return NULL;
 171     }
 172
 173     return entry->object;
 174 }
 175
 176 /***********************************************************************
 177  *
 178  * Helper function for DirectDrawCreate and friends
 179  * Creates a new DDraw interface with the given REFIID
 180  *
 181  * Interfaces that can be created:
 182  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
 183  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
 184  *  IDirect3D interfaces?)
 185  *
 186  * Arguments:
 187  *  guid: ID of the requested driver, NULL for the default driver.
 188  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
 189  *  DD: Used to return the pointer to the created object
 190  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
 191  *  iid: requested version ID.
 192  *
 193  * Returns:
 194  *  DD_OK if the Interface was created successfully
 195  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
 196  *  E_OUTOFMEMORY if some allocation failed
 197  *
 198  ***********************************************************************/
 199 static HRESULT
 200 DDRAW_Create(const GUID *guid,
 201              void **DD,
 202              IUnknown *UnkOuter,
 203              REFIID iid)
 204 {
 205     enum wined3d_device_type device_type;
 206     struct ddraw *ddraw;
 207     HRESULT hr;
 208
 209     TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n",
 210             debugstr_guid(guid), DD, UnkOuter, debugstr_guid(iid));
 211
 212     *DD = NULL;
 213
 214     /* We don't care about this guids. Well, there's no special guid anyway
 215      * OK, we could
 216      */
 217     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 218     {
 219         /* Use the reference device id. This doesn't actually change anything,
 220          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 221          * indirect rendering
 222          */
 223         device_type = WINED3D_DEVICE_TYPE_REF;
 224     }
 225     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 226     {
 227         device_type = WINED3D_DEVICE_TYPE_HAL;
 228     }
 229     else
 230     {
 231         device_type = 0;
 232     }
 233
 234     /* DDraw doesn't support aggregation, according to msdn */
 235     if (UnkOuter != NULL)
 236         return CLASS_E_NOAGGREGATION;
 237
 238     /* DirectDraw creation comes here */
 239     ddraw = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ddraw));
 240     if (!ddraw)
 241     {
 242         ERR("Out of memory when creating DirectDraw\n");
 243         return E_OUTOFMEMORY;
 244     }
 245
 246     hr = ddraw_init(ddraw, device_type);
 247     if (FAILED(hr))
 248     {
 249         WARN("Failed to initialize ddraw object, hr %#x.\n", hr);
 250         HeapFree(GetProcessHeap(), 0, ddraw);
 251         return hr;
 252     }
 253
 254     hr = IDirectDraw7_QueryInterface(&ddraw->IDirectDraw7_iface, iid, DD);
 255     IDirectDraw7_Release(&ddraw->IDirectDraw7_iface);
 256     if (SUCCEEDED(hr))
 257         list_add_head(&global_ddraw_list, &ddraw->ddraw_list_entry);
 258     else
 259         WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), ddraw);
 260
 261     return hr;
 262 }
 263
 264 /***********************************************************************
 265  * DirectDrawCreate (DDRAW.@)
 266  *
 267  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 268  * interfaces in theory
 269  *
 270  * Arguments, return values: See DDRAW_Create
 271  *
 272  ***********************************************************************/
 273 HRESULT WINAPI DECLSPEC_HOTPATCH
 274 DirectDrawCreate(GUID *GUID,
 275                  LPDIRECTDRAW *DD,
 276                  IUnknown *UnkOuter)
 277 {
 278     HRESULT hr;
 279
 280     TRACE("driver_guid %s, ddraw %p, outer_unknown %p.\n",
 281             debugstr_guid(GUID), DD, UnkOuter);
 282
 283     wined3d_mutex_lock();
 284     hr = DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
 285     wined3d_mutex_unlock();
 286
 287     if (SUCCEEDED(hr))
 288     {
 289         hr = IDirectDraw_Initialize(*DD, GUID);
 290         if (FAILED(hr))
 291             IDirectDraw_Release(*DD);
 292     }
 293
 294     return hr;
 295 }
 296
 297 /***********************************************************************
 298  * DirectDrawCreateEx (DDRAW.@)
 299  *
 300  * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
 301  * interfaces are requested.
 302  *
 303  * Arguments, return values: See DDRAW_Create
 304  *
 305  ***********************************************************************/
 306 HRESULT WINAPI DECLSPEC_HOTPATCH
 307 DirectDrawCreateEx(GUID *guid,
 308                    LPVOID *dd,
 309                    REFIID iid,
 310                    IUnknown *UnkOuter)
 311 {
 312     HRESULT hr;
 313
 314     TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer_unknown %p.\n",
 315             debugstr_guid(guid), dd, debugstr_guid(iid), UnkOuter);
 316
 317     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 318         return DDERR_INVALIDPARAMS;
 319
 320     wined3d_mutex_lock();
 321     hr = DDRAW_Create(guid, dd, UnkOuter, iid);
 322     wined3d_mutex_unlock();
 323
 324     if (SUCCEEDED(hr))
 325     {
 326         IDirectDraw7 *ddraw7 = *(IDirectDraw7 **)dd;
 327         hr = IDirectDraw7_Initialize(ddraw7, guid);
 328         if (FAILED(hr))
 329             IDirectDraw7_Release(ddraw7);
 330     }
 331
 332     return hr;
 333 }
 334
 335 /***********************************************************************
 336  * DirectDrawEnumerateA (DDRAW.@)
 337  *
 338  * Enumerates legacy ddraw drivers, ascii version. We only have one
 339  * driver, which relays to WineD3D. If we were sufficiently cool,
 340  * we could offer various interfaces, which use a different default surface
 341  * implementation, but I think it's better to offer this choice in
 342  * winecfg, because some apps use the default driver, so we would need
 343  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 344  *
 345  * Arguments:
 346  *  Callback: Callback function from the app
 347  *  Context: Argument to the call back.
 348  *
 349  * Returns:
 350  *  DD_OK on success
 351  *  E_INVALIDARG if the Callback caused a page fault
 352  *
 353  *
 354  ***********************************************************************/
 355 HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACKA callback, void *context)
 356 {
 357     struct callback_info info;
 358
 359     TRACE("callback %p, context %p.\n", callback, context);
 360
 361     info.callback = callback;
 362     info.context = context;
 363     return DirectDrawEnumerateExA(enum_callback, &info, 0x0);
 364 }
 365
 366 /***********************************************************************
 367  * DirectDrawEnumerateExA (DDRAW.@)
 368  *
 369  * Enumerates DirectDraw7 drivers, ascii version. See
 370  * the comments above DirectDrawEnumerateA for more details.
 371  *
 372  * The Flag member is not supported right now.
 373  *
 374  ***********************************************************************/
 375 HRESULT WINAPI DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback, void *context, DWORD flags)
 376 {
 377     struct wined3d *wined3d;
 378
 379     TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
 380
 381     if (flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES |
 382                   DDENUM_DETACHEDSECONDARYDEVICES |
 383                   DDENUM_NONDISPLAYDEVICES))
 384         return DDERR_INVALIDPARAMS;
 385
 386     if (flags)
 387         FIXME("flags 0x%08x not handled\n", flags);
 388
 389     TRACE("Enumerating ddraw interfaces\n");
 390     wined3d = wined3d_create(7, WINED3D_LEGACY_DEPTH_BIAS);
 391
 392     __TRY
 393     {
 394         /* QuickTime expects the description "DirectDraw HAL" */
 395         static CHAR driver_desc[] = "DirectDraw HAL",
 396         driver_name[] = "display";
 397         struct wined3d_adapter_identifier adapter_id;
 398         HRESULT hr = S_OK;
 399         UINT adapter = 0;
 400         BOOL cont_enum;
 401
 402         /* The Battle.net System Checker expects both a NULL device and a GUID-based device */
 403         TRACE("Default interface: DirectDraw HAL\n");
 404         cont_enum = callback(NULL, driver_desc, driver_name, context, 0);
 405         for (adapter = 0; SUCCEEDED(hr) && cont_enum; adapter++)
 406         {
 407             char DriverName[512] = "";
 408
 409             /* The Battle.net System Checker expects the GetAdapterIdentifier DeviceName to match the
 410              * Driver Name, so obtain the DeviceName and GUID from D3D. */
 411             memset(&adapter_id, 0x0, sizeof(adapter_id));
 412             adapter_id.device_name = DriverName;
 413             adapter_id.device_name_size = sizeof(DriverName);
 414             wined3d_mutex_lock();
 415             hr = wined3d_get_adapter_identifier(wined3d, adapter, 0x0, &adapter_id);
 416             wined3d_mutex_unlock();
 417             if (SUCCEEDED(hr))
 418             {
 419                 TRACE("Interface %d: %s\n", adapter, wine_dbgstr_guid(&adapter_id.device_identifier));
 420                 cont_enum = callback(&adapter_id.device_identifier, driver_desc,
 421                                      adapter_id.device_name, context, 0);
 422             }
 423         }
 424     }
 425     __EXCEPT_PAGE_FAULT
 426     {
 427         wined3d_decref(wined3d);
 428         return DDERR_INVALIDPARAMS;
 429     }
 430     __ENDTRY;
 431
 432     wined3d_decref(wined3d);
 433     TRACE("End of enumeration\n");
 434     return DD_OK;
 435 }
 436
 437 /***********************************************************************
 438  * DirectDrawEnumerateW (DDRAW.@)
 439  *
 440  * Enumerates legacy drivers, unicode version.
 441  * This function is not implemented on Windows.
 442  *
 443  ***********************************************************************/
 444 HRESULT WINAPI DirectDrawEnumerateW(LPDDENUMCALLBACKW callback, void *context)
 445 {
 446     TRACE("callback %p, context %p.\n", callback, context);
 447
 448     if (!callback)
 449         return DDERR_INVALIDPARAMS;
 450     else
 451         return DDERR_UNSUPPORTED;
 452 }
 453
 454 /***********************************************************************
 455  * DirectDrawEnumerateExW (DDRAW.@)
 456  *
 457  * Enumerates DirectDraw7 drivers, unicode version.
 458  * This function is not implemented on Windows.
 459  *
 460  ***********************************************************************/
 461 HRESULT WINAPI DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback, void *context, DWORD flags)
 462 {
 463     TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
 464
 465     return DDERR_UNSUPPORTED;
 466 }
 467
 468 /***********************************************************************
 469  * Classfactory implementation.
 470  ***********************************************************************/
 471
 472 /***********************************************************************
 473  * CF_CreateDirectDraw
 474  *
 475  * DDraw creation function for the class factory
 476  *
 477  * Params:
 478  *  UnkOuter: Set to NULL
 479  *  iid: ID of the wanted interface
 480  *  obj: Address to pass the interface pointer back
 481  *
 482  * Returns
 483  *  DD_OK / DDERR*, see DDRAW_Create
 484  *
 485  ***********************************************************************/
 486 static HRESULT
 487 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 488                     void **obj)
 489 {
 490     HRESULT hr;
 491
 492     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(iid), obj);
 493
 494     wined3d_mutex_lock();
 495     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 496     wined3d_mutex_unlock();
 497
 498     return hr;
 499 }
 500
 501 /***********************************************************************
 502  * CF_CreateDirectDraw
 503  *
 504  * Clipper creation function for the class factory
 505  *
 506  * Params:
 507  *  UnkOuter: Set to NULL
 508  *  iid: ID of the wanted interface
 509  *  obj: Address to pass the interface pointer back
 510  *
 511  * Returns
 512  *  DD_OK / DDERR*, see DDRAW_Create
 513  *
 514  ***********************************************************************/
 515 static HRESULT
 516 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 517                               void **obj)
 518 {
 519     HRESULT hr;
 520     IDirectDrawClipper *Clip;
 521
 522     TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(riid), obj);
 523
 524     wined3d_mutex_lock();
 525     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 526     if (hr != DD_OK)
 527     {
 528         wined3d_mutex_unlock();
 529         return hr;
 530     }
 531
 532     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 533     IDirectDrawClipper_Release(Clip);
 534
 535     wined3d_mutex_unlock();
 536
 537     return hr;
 538 }
 539
 540 static const struct object_creation_info object_creation[] =
 541 {
 542     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 543     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 544     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 545 };
 546
 547 struct ddraw_class_factory
 548 {
 549     IClassFactory IClassFactory_iface;
 550
 551     LONG ref;
 552     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj);
 553 };
 554
 555 static inline struct ddraw_class_factory *impl_from_IClassFactory(IClassFactory *iface)
 556 {
 557     return CONTAINING_RECORD(iface, struct ddraw_class_factory, IClassFactory_iface);
 558 }
 559
 560 /*******************************************************************************
 561  * IDirectDrawClassFactory::QueryInterface
 562  *
 563  * QueryInterface for the class factory
 564  *
 565  * PARAMS
 566  *    riid   Reference to identifier of queried interface
 567  *    ppv    Address to return the interface pointer at
 568  *
 569  * RETURNS
 570  *    Success: S_OK
 571  *    Failure: E_NOINTERFACE
 572  *
 573  *******************************************************************************/
 574 static HRESULT WINAPI ddraw_class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **out)
 575 {
 576     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
 577
 578     if (IsEqualGUID(riid, &IID_IUnknown)
 579         || IsEqualGUID(riid, &IID_IClassFactory))
 580     {
 581         IClassFactory_AddRef(iface);
 582         *out = iface;
 583         return S_OK;
 584     }
 585
 586     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
 587
 588     return E_NOINTERFACE;
 589 }
 590
 591 /*******************************************************************************
 592  * IDirectDrawClassFactory::AddRef
 593  *
 594  * AddRef for the class factory
 595  *
 596  * RETURNS
 597  *  The new refcount
 598  *
 599  *******************************************************************************/
 600 static ULONG WINAPI ddraw_class_factory_AddRef(IClassFactory *iface)
 601 {
 602     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 603     ULONG ref = InterlockedIncrement(&factory->ref);
 604
 605     TRACE("%p increasing refcount to %u.\n", factory, ref);
 606
 607     return ref;
 608 }
 609
 610 /*******************************************************************************
 611  * IDirectDrawClassFactory::Release
 612  *
 613  * Release for the class factory. If the refcount falls to 0, the object
 614  * is destroyed
 615  *
 616  * RETURNS
 617  *  The new refcount
 618  *
 619  *******************************************************************************/
 620 static ULONG WINAPI ddraw_class_factory_Release(IClassFactory *iface)
 621 {
 622     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 623     ULONG ref = InterlockedDecrement(&factory->ref);
 624
 625     TRACE("%p decreasing refcount to %u.\n", factory, ref);
 626
 627     if (!ref)
 628         HeapFree(GetProcessHeap(), 0, factory);
 629
 630     return ref;
 631 }
 632
 633
 634 /*******************************************************************************
 635  * IDirectDrawClassFactory::CreateInstance
 636  *
 637  * What is this? Seems to create DirectDraw objects...
 638  *
 639  * Params
 640  *  The usual things???
 641  *
 642  * RETURNS
 643  *  ???
 644  *
 645  *******************************************************************************/
 646 static HRESULT WINAPI ddraw_class_factory_CreateInstance(IClassFactory *iface,
 647         IUnknown *outer_unknown, REFIID riid, void **out)
 648 {
 649     struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
 650
 651     TRACE("iface %p, outer_unknown %p, riid %s, out %p.\n",
 652             iface, outer_unknown, debugstr_guid(riid), out);
 653
 654     return factory->pfnCreateInstance(outer_unknown, riid, out);
 655 }
 656
 657 /*******************************************************************************
 658  * IDirectDrawClassFactory::LockServer
 659  *
 660  * What is this?
 661  *
 662  * Params
 663  *  ???
 664  *
 665  * RETURNS
 666  *  S_OK, because it's a stub
 667  *
 668  *******************************************************************************/
 669 static HRESULT WINAPI ddraw_class_factory_LockServer(IClassFactory *iface, BOOL dolock)
 670 {
 671     FIXME("iface %p, dolock %#x stub!\n", iface, dolock);
 672
 673     return S_OK;
 674 }
 675
 676 /*******************************************************************************
 677  * The class factory VTable
 678  *******************************************************************************/
 679 static const IClassFactoryVtbl IClassFactory_Vtbl =
 680 {
 681     ddraw_class_factory_QueryInterface,
 682     ddraw_class_factory_AddRef,
 683     ddraw_class_factory_Release,
 684     ddraw_class_factory_CreateInstance,
 685     ddraw_class_factory_LockServer
 686 };
 687
 688 /*******************************************************************************
 689  * DllGetClassObject [DDRAW.@]
 690  * Retrieves class object from a DLL object
 691  *
 692  * NOTES
 693  *    Docs say returns STDAPI
 694  *
 695  * PARAMS
 696  *    rclsid [I] CLSID for the class object
 697  *    riid   [I] Reference to identifier of interface for class object
 698  *    ppv    [O] Address of variable to receive interface pointer for riid
 699  *
 700  * RETURNS
 701  *    Success: S_OK
 702  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 703  *             E_UNEXPECTED
 704  */
 705 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 706 {
 707     struct ddraw_class_factory *factory;
 708     unsigned int i;
 709
 710     TRACE("rclsid %s, riid %s, object %p.\n",
 711             debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 712
 713     if (!IsEqualGUID(&IID_IClassFactory, riid)
 714             && !IsEqualGUID(&IID_IUnknown, riid))
 715         return E_NOINTERFACE;
 716
 717     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 718     {
 719         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 720             break;
 721     }
 722
 723     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 724     {
 725         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 726         return CLASS_E_CLASSNOTAVAILABLE;
 727     }
 728
 729     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 730     if (factory == NULL) return E_OUTOFMEMORY;
 731
 732     factory->IClassFactory_iface.lpVtbl = &IClassFactory_Vtbl;
 733     factory->ref = 1;
 734
 735     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 736
 737     *ppv = factory;
 738     return S_OK;
 739 }
 740
 741
 742 /*******************************************************************************
 743  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 744  *
 745  * RETURNS
 746  *    Success: S_OK
 747  *    Failure: S_FALSE
 748  */
 749 HRESULT WINAPI DllCanUnloadNow(void)
 750 {
 751     TRACE("\n");
 752
 753     return S_FALSE;
 754 }
 755
 756
 757 /***********************************************************************
 758  *              DllRegisterServer (DDRAW.@)
 759  */
 760 HRESULT WINAPI DllRegisterServer(void)
 761 {
 762     return __wine_register_resources( instance );
 763 }
 764
 765 /***********************************************************************
 766  *              DllUnregisterServer (DDRAW.@)
 767  */
 768 HRESULT WINAPI DllUnregisterServer(void)
 769 {
 770     return __wine_unregister_resources( instance );
 771 }
 772
 773 /*******************************************************************************
 774  * DestroyCallback
 775  *
 776  * Callback function for the EnumSurfaces call in DllMain.
 777  * Dumps some surface info and releases the surface
 778  *
 779  * Params:
 780  *  surf: The enumerated surface
 781  *  desc: it's description
 782  *  context: Pointer to the ddraw impl
 783  *
 784  * Returns:
 785  *  DDENUMRET_OK;
 786  *******************************************************************************/
 787 static HRESULT WINAPI
 788 DestroyCallback(IDirectDrawSurface7 *surf,
 789                 DDSURFACEDESC2 *desc,
 790                 void *context)
 791 {
 792     struct ddraw_surface *Impl = impl_from_IDirectDrawSurface7(surf);
 793     ULONG ref7, ref4, ref3, ref2, ref1, gamma_count, iface_count;
 794
 795     ref7 = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 796     ref4 = Impl->ref4;
 797     ref3 = Impl->ref3;
 798     ref2 = Impl->ref2;
 799     ref1 = Impl->ref1;
 800     gamma_count = Impl->gamma_count;
 801
 802     WARN("Surface %p has an reference counts of 7: %u 4: %u 3: %u 2: %u 1: %u gamma: %u\n",
 803             Impl, ref7, ref4, ref3, ref2, ref1, gamma_count);
 804
 805     /* Skip surfaces which are attached somewhere or which are
 806      * part of a complex compound. They will get released when destroying
 807      * the root
 808      */
 809     if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) )
 810         return DDENUMRET_OK;
 811
 812     /* Destroy the surface */
 813     iface_count = ddraw_surface_release_iface(Impl);
 814     while (iface_count) iface_count = ddraw_surface_release_iface(Impl);
 815
 816     return DDENUMRET_OK;
 817 }
 818
 819 /***********************************************************************
 820  * get_config_key
 821  *
 822  * Reads a config key from the registry. Taken from WineD3D
 823  *
 824  ***********************************************************************/
 825 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 826 {
 827     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 828     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 829     return ERROR_FILE_NOT_FOUND;
 830 }
 831
 832 /***********************************************************************
 833  * DllMain (DDRAW.0)
 834  *
 835  * Could be used to register DirectDraw drivers, if we have more than
 836  * one. Also used to destroy any objects left at unload if the
 837  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 838  *
 839  ***********************************************************************/
 840 BOOL WINAPI
 841 DllMain(HINSTANCE hInstDLL,
 842         DWORD Reason,
 843         LPVOID lpv)
 844 {
 845     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 846     if (Reason == DLL_PROCESS_ATTACH)
 847     {
 848         static HMODULE ddraw_self;
 849         char buffer[MAX_PATH+10];
 850         DWORD size = sizeof(buffer);
 851         HKEY hkey = 0;
 852         HKEY appkey = 0;
 853         WNDCLASSA wc;
 854         DWORD len;
 855
 856         /* Register the window class. This is used to create a hidden window
 857          * for D3D rendering, if the application didn't pass one. It can also
 858          * be used for creating a device window from SetCooperativeLevel(). */
 859         wc.style = CS_HREDRAW | CS_VREDRAW;
 860         wc.lpfnWndProc = DefWindowProcA;
 861         wc.cbClsExtra = 0;
 862         wc.cbWndExtra = 0;
 863         wc.hInstance = hInstDLL;
 864         wc.hIcon = 0;
 865         wc.hCursor = 0;
 866         wc.hbrBackground = GetStockObject(BLACK_BRUSH);
 867         wc.lpszMenuName = NULL;
 868         wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME;
 869         if (!RegisterClassA(&wc))
 870         {
 871             ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError());
 872             return FALSE;
 873         }
 874
 875        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 876        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 877
 878        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 879        if (len && len < MAX_PATH)
 880        {
 881             HKEY tmpkey;
 882             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 883             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 884             {
 885                 char *p, *appname = buffer;
 886                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 887                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 888                 strcat( appname, "\\Direct3D" );
 889                 TRACE("appname = [%s]\n", appname);
 890                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 891                 RegCloseKey( tmpkey );
 892             }
 893        }
 894
 895        if ( 0 != hkey || 0 != appkey )
 896        {
 897             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 898             {
 899                 if (!strcmp(buffer,"gdi"))
 900                 {
 901                     TRACE("Defaulting to GDI surfaces\n");
 902                     DefaultSurfaceType = WINED3D_SURFACE_TYPE_GDI;
 903                 }
 904                 else if (!strcmp(buffer,"opengl"))
 905                 {
 906                     TRACE("Defaulting to opengl surfaces\n");
 907                     DefaultSurfaceType = WINED3D_SURFACE_TYPE_OPENGL;
 908                 }
 909                 else
 910                 {
 911                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 912                 }
 913             }
 914         }
 915
 916         /* On Windows one can force the refresh rate that DirectDraw uses by
 917          * setting an override value in dxdiag.  This is documented in KB315614
 918          * (main article), KB230002, and KB217348.  By comparing registry dumps
 919          * before and after setting the override, we see that the override value
 920          * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
 921          * DWORD that represents the refresh rate to force.  We use this
 922          * registry entry to modify the behavior of SetDisplayMode so that Wine
 923          * users can override the refresh rate in a Windows-compatible way.
 924          *
 925          * dxdiag will not accept a refresh rate lower than 40 or higher than
 926          * 120 so this value should be within that range.  It is, of course,
 927          * possible for a user to set the registry entry value directly so that
 928          * assumption might not hold.
 929          *
 930          * There is no current mechanism for setting this value through the Wine
 931          * GUI.  It would be most appropriate to set this value through a dxdiag
 932          * clone, but it may be sufficient to use winecfg.
 933          *
 934          * TODO: Create a mechanism for setting this value through the Wine GUI.
 935          */
 936         if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) )
 937         {
 938             DWORD type, data;
 939             size = sizeof(data);
 940             if (!RegQueryValueExA( hkey, "ForceRefreshRate", NULL, &type, (LPBYTE)&data, &size ) && type == REG_DWORD)
 941             {
 942                 TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data);
 943                 force_refresh_rate = data;
 944             }
 945             RegCloseKey( hkey );
 946         }
 947
 948         /* Prevent the ddraw module from being unloaded. When switching to
 949          * exclusive mode, we replace the window proc of the ddraw window. If
 950          * an application would unload ddraw from the WM_DESTROY handler for
 951          * that window, it would return to unmapped memory and die. Apparently
 952          * this is supposed to work on Windows. We should probably use
 953          * GET_MODULE_HANDLE_EX_FLAG_PIN for this, but that's not currently
 954          * implemented. */
 955         if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (const WCHAR *)&ddraw_self, &ddraw_self))
 956             ERR("Failed to get own module handle.\n");
 957
 958         instance = hInstDLL;
 959         DisableThreadLibraryCalls(hInstDLL);
 960     }
 961     else if (Reason == DLL_PROCESS_DETACH)
 962     {
 963         if(!list_empty(&global_ddraw_list))
 964         {
 965             struct list *entry, *entry2;
 966             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 967
 968             /* We remove elements from this loop */
 969             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 970             {
 971                 struct ddraw *ddraw = LIST_ENTRY(entry, struct ddraw, ddraw_list_entry);
 972                 HRESULT hr;
 973                 DDSURFACEDESC2 desc;
 974                 int i;
 975
 976                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 977
 978                 /* Add references to each interface to avoid freeing them unexpectedly */
 979                 IDirectDraw_AddRef(&ddraw->IDirectDraw_iface);
 980                 IDirectDraw2_AddRef(&ddraw->IDirectDraw2_iface);
 981                 IDirectDraw4_AddRef(&ddraw->IDirectDraw4_iface);
 982                 IDirectDraw7_AddRef(&ddraw->IDirectDraw7_iface);
 983
 984                 /* Does a D3D device exist? Destroy it
 985                     * TODO: Destroy all Vertex buffers, Lights, Materials
 986                     * and execute buffers too
 987                     */
 988                 if(ddraw->d3ddevice)
 989                 {
 990                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
 991                     while(IDirect3DDevice7_Release(&ddraw->d3ddevice->IDirect3DDevice7_iface));
 992                 }
 993
 994                 /* Destroy the swapchain after any 3D device. The 3D device
 995                  * cleanup code needs a swapchain. Specifically, it tries to
 996                  * set the current render target to the front buffer. */
 997                 if (ddraw->wined3d_swapchain)
 998                     ddraw_destroy_swapchain(ddraw);
 999
1000                 /* Try to release the objects
1001                     * Do an EnumSurfaces to find any hanging surfaces
1002                     */
1003                 memset(&desc, 0, sizeof(desc));
1004                 desc.dwSize = sizeof(desc);
1005                 for(i = 0; i <= 1; i++)
1006                 {
1007                     hr = IDirectDraw7_EnumSurfaces(&ddraw->IDirectDraw7_iface, DDENUMSURFACES_ALL,
1008                             &desc, ddraw, DestroyCallback);
1009                     if(hr != D3D_OK)
1010                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
1011                 }
1012
1013                 if (!list_empty(&ddraw->surface_list))
1014                     ERR("DDraw %p still has surfaces attached.\n", ddraw);
1015
1016                 /* Release all hanging references to destroy the objects. This
1017                     * restores the screen mode too
1018                     */
1019                 while(IDirectDraw_Release(&ddraw->IDirectDraw_iface));
1020                 while(IDirectDraw2_Release(&ddraw->IDirectDraw2_iface));
1021                 while(IDirectDraw4_Release(&ddraw->IDirectDraw4_iface));
1022                 while(IDirectDraw7_Release(&ddraw->IDirectDraw7_iface));
1023             }
1024         }
1025
1026         /* Unregister the window class. */
1027         UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL);
1028     }
1029
1030     return TRUE;
1031 }