dlls/ddraw/main.c

   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  *
   8  * This file contains the (internal) driver registration functions,
   9  * driver enumeration APIs and DirectDraw creation functions.
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  24  */
  25
  26 #include "config.h"
  27 #include "wine/port.h"
  28 #include "wine/debug.h"
  29
  30 #include <assert.h>
  31 #include <stdarg.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34
  35 #define COBJMACROS
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winnls.h"
  40 #include "winerror.h"
  41 #include "wingdi.h"
  42 #include "wine/exception.h"
  43 #include "excpt.h"
  44 #include "winreg.h"
  45
  46 #include "ddraw.h"
  47 #include "d3d.h"
  48
  49 #include "ddraw_private.h"
  50
  51 typedef IWineD3D* (WINAPI *fnWineDirect3DCreate)(UINT, UINT, IUnknown *);
  52
  53 static HMODULE hWineD3D = (HMODULE) -1;
  54 static fnWineDirect3DCreate pWineDirect3DCreate;
  55
  56 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  57
  58 /* The configured default surface */
  59 WINED3DSURFTYPE DefaultSurfaceType = SURFACE_UNKNOWN;
  60
  61 /* DDraw list and critical section */
  62 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  63
  64 static CRITICAL_SECTION ddraw_list_cs;
  65 static CRITICAL_SECTION_DEBUG ddraw_list_cs_debug =
  66 {
  67     0, 0, &ddraw_list_cs,
  68     { &ddraw_list_cs_debug.ProcessLocksList,
  69     &ddraw_list_cs_debug.ProcessLocksList },
  70     0, 0, { (DWORD_PTR)(__FILE__ ": ddraw_list_cs") }
  71 };
  72 static CRITICAL_SECTION ddraw_list_cs = { &ddraw_list_cs_debug, -1, 0, 0, 0, 0 };
  73
  74 /***********************************************************************
  75  *
  76  * Helper function for DirectDrawCreate and friends
  77  * Creates a new DDraw interface with the given REFIID
  78  *
  79  * Interfaces that can be created:
  80  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
  81  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
  82  *  IDirect3D interfaces?)
  83  *
  84  * Arguments:
  85  *  guid: ID of the requested driver, NULL for the default driver.
  86  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
  87  *  DD: Used to return the pointer to the created object
  88  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
  89  *  iid: requested version ID.
  90  *
  91  * Returns:
  92  *  DD_OK if the Interface was created successfully
  93  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
  94  *  E_OUTOFMEMORY if some allocation failed
  95  *
  96  ***********************************************************************/
  97 static HRESULT
  98 DDRAW_Create(GUID *guid,
  99              void **DD,
 100              IUnknown *UnkOuter,
 101              REFIID iid)
 102 {
 103     IDirectDrawImpl *This = NULL;
 104     HRESULT hr;
 105     IWineD3D *wineD3D = NULL;
 106     IWineD3DDevice *wineD3DDevice = NULL;
 107     HDC hDC;
 108     WINED3DDEVTYPE devicetype;
 109
 110     TRACE("(%s,%p,%p)\n", debugstr_guid(guid), DD, UnkOuter);
 111
 112     *DD = NULL;
 113
 114     /* We don't care about this guids. Well, there's no special guid anyway
 115      * OK, we could
 116      */
 117     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 118     {
 119         /* Use the reference device id. This doesn't actually change anything,
 120          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 121          * indirect rendering
 122          */
 123         devicetype = WINED3DDEVTYPE_REF;
 124     }
 125     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 126     {
 127         devicetype = WINED3DDEVTYPE_HAL;
 128     }
 129     else
 130     {
 131         devicetype = 0;
 132     }
 133
 134     /* DDraw doesn't support aggregation, according to msdn */
 135     if (UnkOuter != NULL)
 136         return CLASS_E_NOAGGREGATION;
 137
 138     /* DirectDraw creation comes here */
 139     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
 140     if(!This)
 141     {
 142         ERR("Out of memory when creating DirectDraw\n");
 143         return E_OUTOFMEMORY;
 144     }
 145
 146     /* The interfaces:
 147      * IDirectDraw and IDirect3D are the same object,
 148      * QueryInterface is used to get other interfaces.
 149      */
 150     ICOM_INIT_INTERFACE(This, IDirectDraw,  IDirectDraw1_Vtbl);
 151     ICOM_INIT_INTERFACE(This, IDirectDraw2, IDirectDraw2_Vtbl);
 152     ICOM_INIT_INTERFACE(This, IDirectDraw3, IDirectDraw3_Vtbl);
 153     ICOM_INIT_INTERFACE(This, IDirectDraw4, IDirectDraw4_Vtbl);
 154     ICOM_INIT_INTERFACE(This, IDirectDraw7, IDirectDraw7_Vtbl);
 155     ICOM_INIT_INTERFACE(This, IDirect3D,  IDirect3D1_Vtbl);
 156     ICOM_INIT_INTERFACE(This, IDirect3D2, IDirect3D2_Vtbl);
 157     ICOM_INIT_INTERFACE(This, IDirect3D3, IDirect3D3_Vtbl);
 158     ICOM_INIT_INTERFACE(This, IDirect3D7, IDirect3D7_Vtbl);
 159
 160     /* See comments in IDirectDrawImpl_CreateNewSurface for a description
 161      * of this member.
 162      * Read from a registry key, should add a winecfg option later
 163      */
 164     This->ImplType = DefaultSurfaceType;
 165
 166     /* Get the current screen settings */
 167     hDC = GetDC(0);
 168     This->orig_bpp = GetDeviceCaps(hDC, BITSPIXEL) * GetDeviceCaps(hDC, PLANES);
 169     ReleaseDC(0, hDC);
 170     This->orig_width = GetSystemMetrics(SM_CXSCREEN);
 171     This->orig_height = GetSystemMetrics(SM_CYSCREEN);
 172
 173     if (hWineD3D == (HMODULE) -1)
 174     {
 175         hWineD3D = LoadLibraryA("wined3d");
 176         if (hWineD3D)
 177             pWineDirect3DCreate = (fnWineDirect3DCreate) GetProcAddress(hWineD3D, "WineDirect3DCreate");
 178     }
 179
 180     if (!hWineD3D)
 181     {
 182         ERR("Couldn't load WineD3D - OpenGL libs not present?\n");
 183         hr = DDERR_NODIRECTDRAWSUPPORT;
 184         goto err_out;
 185     }
 186
 187     /* Initialize WineD3D
 188      *
 189      * All Rendering (2D and 3D) is relayed to WineD3D,
 190      * but DirectDraw specific management, like DDSURFACEDESC and DDPIXELFORMAT
 191      * structure handling is handled in this lib.
 192      */
 193     wineD3D = pWineDirect3DCreate(0 /* SDKVersion */, 7 /* DXVersion */, (IUnknown *) This /* Parent */);
 194     if(!wineD3D)
 195     {
 196         ERR("Failed to initialise WineD3D\n");
 197         hr = E_OUTOFMEMORY;
 198         goto err_out;
 199     }
 200     This->wineD3D = wineD3D;
 201     TRACE("WineD3D created at %p\n", wineD3D);
 202
 203     /* Initialized member...
 204      *
 205      * It is set to false at creation time, and set to true in
 206      * IDirectDraw7::Initialize. Its sole purpose is to return DD_OK on
 207      * initialize only once
 208      */
 209     This->initialized = FALSE;
 210
 211     /* Initialize WineD3DDevice
 212      *
 213      * It is used for screen setup, surface and palette creation
 214      * When a Direct3DDevice7 is created, the D3D capabilities of WineD3D are
 215      * initialized
 216      */
 217     hr = IWineD3D_CreateDevice(wineD3D,
 218                                0 /*D3D_ADAPTER_DEFAULT*/,
 219                                devicetype,
 220                                NULL, /* FocusWindow, don't know yet */
 221                                0, /* BehaviorFlags */
 222                                &wineD3DDevice,
 223                                (IUnknown *) ICOM_INTERFACE(This, IDirectDraw7));
 224     if(FAILED(hr))
 225     {
 226         ERR("Failed to create a wineD3DDevice, result = %x\n", hr);
 227         goto err_out;
 228     }
 229     This->wineD3DDevice = wineD3DDevice;
 230     TRACE("wineD3DDevice created at %p\n", This->wineD3DDevice);
 231
 232     /* Register the window class
 233      *
 234      * It is used to create a hidden window for D3D
 235      * rendering, if the application didn't pass one.
 236      * It can also be used for Creating a device window
 237      * from SetCooperativeLevel
 238      *
 239      * The name: DDRAW_<address>. The classname is
 240      * 32 bit long, so a 64 bit address will fit nicely
 241      * (Will this be compiled for 64 bit anyway?)
 242      *
 243      */
 244     sprintf(This->classname, "DDRAW_%p", This);
 245
 246     memset(&This->wnd_class, 0, sizeof(This->wnd_class));
 247     This->wnd_class.style = CS_HREDRAW | CS_VREDRAW;
 248     This->wnd_class.lpfnWndProc = DefWindowProcA;
 249     This->wnd_class.cbClsExtra = 0;
 250     This->wnd_class.cbWndExtra = 0;
 251     This->wnd_class.hInstance = GetModuleHandleA(0);
 252     This->wnd_class.hIcon = 0;
 253     This->wnd_class.hCursor = 0;
 254     This->wnd_class.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
 255     This->wnd_class.lpszMenuName = NULL;
 256     This->wnd_class.lpszClassName = This->classname;
 257     if(!RegisterClassA(&This->wnd_class))
 258     {
 259         ERR("RegisterClassA failed!\n");
 260         goto err_out;
 261     }
 262
 263     /* Get the amount of video memory */
 264     This->total_vidmem = IWineD3DDevice_GetAvailableTextureMem(This->wineD3DDevice);
 265
 266     /* Initialize the caps */
 267     This->caps.dwSize = sizeof(This->caps);
 268 /* do not report DDCAPS_OVERLAY and friends since we don't support overlays */
 269 #define BLIT_CAPS (DDCAPS_BLT | DDCAPS_BLTCOLORFILL | DDCAPS_BLTDEPTHFILL \
 270           | DDCAPS_BLTSTRETCH | DDCAPS_CANBLTSYSMEM | DDCAPS_CANCLIP      \
 271           | DDCAPS_CANCLIPSTRETCHED | DDCAPS_COLORKEY                     \
 272           | DDCAPS_COLORKEYHWASSIST | DDCAPS_ALIGNBOUNDARYSRC )
 273 #define CKEY_CAPS (DDCKEYCAPS_DESTBLT | DDCKEYCAPS_SRCBLT)
 274 #define FX_CAPS (DDFXCAPS_BLTALPHA | DDFXCAPS_BLTMIRRORLEFTRIGHT        \
 275                 | DDFXCAPS_BLTMIRRORUPDOWN | DDFXCAPS_BLTROTATION90     \
 276                 | DDFXCAPS_BLTSHRINKX | DDFXCAPS_BLTSHRINKXN            \
 277                 | DDFXCAPS_BLTSHRINKY | DDFXCAPS_BLTSHRINKXN            \
 278                 | DDFXCAPS_BLTSTRETCHX | DDFXCAPS_BLTSTRETCHXN          \
 279                 | DDFXCAPS_BLTSTRETCHY | DDFXCAPS_BLTSTRETCHYN)
 280     This->caps.dwCaps |= DDCAPS_GDI | DDCAPS_PALETTE | BLIT_CAPS;
 281
 282     This->caps.dwCaps2 |= DDCAPS2_CERTIFIED | DDCAPS2_NOPAGELOCKREQUIRED |
 283                           DDCAPS2_PRIMARYGAMMA | DDCAPS2_WIDESURFACES |
 284                           DDCAPS2_CANRENDERWINDOWED;
 285     This->caps.dwCKeyCaps |= CKEY_CAPS;
 286     This->caps.dwFXCaps |= FX_CAPS;
 287     This->caps.dwPalCaps |= DDPCAPS_8BIT | DDPCAPS_PRIMARYSURFACE;
 288     This->caps.dwVidMemTotal = This->total_vidmem;
 289     This->caps.dwVidMemFree = This->total_vidmem;
 290     This->caps.dwSVBCaps |= BLIT_CAPS;
 291     This->caps.dwSVBCKeyCaps |= CKEY_CAPS;
 292     This->caps.dwSVBFXCaps |= FX_CAPS;
 293     This->caps.dwVSBCaps |= BLIT_CAPS;
 294     This->caps.dwVSBCKeyCaps |= CKEY_CAPS;
 295     This->caps.dwVSBFXCaps |= FX_CAPS;
 296     This->caps.dwSSBCaps |= BLIT_CAPS;
 297     This->caps.dwSSBCKeyCaps |= CKEY_CAPS;
 298     This->caps.dwSSBFXCaps |= FX_CAPS;
 299     This->caps.ddsCaps.dwCaps |= DDSCAPS_ALPHA | DDSCAPS_BACKBUFFER |
 300                                  DDSCAPS_FLIP | DDSCAPS_FRONTBUFFER |
 301                                  DDSCAPS_OFFSCREENPLAIN | DDSCAPS_PALETTE |
 302                                  DDSCAPS_PRIMARYSURFACE | DDSCAPS_SYSTEMMEMORY |
 303                                  DDSCAPS_VIDEOMEMORY | DDSCAPS_VISIBLE;
 304     /* Hacks for D3D code */
 305     /* TODO: Check if WineD3D has 3D enabled
 306        Need opengl surfaces or auto for 3D
 307      */
 308     if(This->ImplType == 0 || This->ImplType == SURFACE_OPENGL)
 309     {
 310         This->caps.dwCaps |= DDCAPS_3D;
 311         This->caps.ddsCaps.dwCaps |= DDSCAPS_3DDEVICE | DDSCAPS_MIPMAP | DDSCAPS_TEXTURE | DDSCAPS_ZBUFFER;
 312     }
 313     This->caps.ddsOldCaps.dwCaps = This->caps.ddsCaps.dwCaps;
 314
 315 #undef BLIT_CAPS
 316 #undef CKEY_CAPS
 317 #undef FX_CAPS
 318
 319     list_init(&This->surface_list);
 320
 321     EnterCriticalSection(&ddraw_list_cs);
 322     list_add_head(&global_ddraw_list, &This->ddraw_list_entry);
 323     LeaveCriticalSection(&ddraw_list_cs);
 324
 325     /* Call QueryInterface to get the pointer to the requested interface. This also initializes
 326      * The required refcount
 327      */
 328     hr = IDirectDraw7_QueryInterface( ICOM_INTERFACE(This, IDirectDraw7), iid, DD);
 329     if(SUCCEEDED(hr)) return DD_OK;
 330
 331 err_out:
 332     /* Let's hope we never need this ;) */
 333     if(wineD3DDevice) IWineD3DDevice_Release(wineD3DDevice);
 334     if(wineD3D) IWineD3D_Release(wineD3D);
 335     HeapFree(GetProcessHeap(), 0, This);
 336     return hr;
 337 }
 338
 339 /***********************************************************************
 340  * DirectDrawCreate (DDRAW.@)
 341  *
 342  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 343  * interfaces in theory
 344  *
 345  * Arguments, return values: See DDRAW_Create
 346  *
 347  ***********************************************************************/
 348 HRESULT WINAPI
 349 DirectDrawCreate(GUID *GUID,
 350                  IDirectDraw **DD,
 351                  IUnknown *UnkOuter)
 352 {
 353     TRACE("(%s,%p,%p)\n", debugstr_guid(GUID), DD, UnkOuter);
 354
 355     return DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
 356 }
 357
 358 /***********************************************************************
 359  * DirectDrawCreateEx (DDRAW.@)
 360  *
 361  * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
 362  * interfaces are requested.
 363  *
 364  * Arguments, return values: See DDRAW_Create
 365  *
 366  ***********************************************************************/
 367 HRESULT WINAPI
 368 DirectDrawCreateEx(GUID *GUID,
 369                    void **DD,
 370                    REFIID iid,
 371                    IUnknown *UnkOuter)
 372 {
 373     TRACE("(%s,%p,%s,%p)\n", debugstr_guid(GUID), DD, debugstr_guid(iid), UnkOuter);
 374
 375     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 376         return DDERR_INVALIDPARAMS;
 377
 378     return DDRAW_Create(GUID, DD, UnkOuter, iid);
 379 }
 380
 381 /***********************************************************************
 382  * DirectDrawEnumerateA (DDRAW.@)
 383  *
 384  * Enumerates legacy ddraw drivers, ascii version. We only have one
 385  * driver, which relays to WineD3D. If we were sufficiently cool,
 386  * we could offer various interfaces, which use a different default surface
 387  * implementation, but I think it's better to offer this choice in
 388  * winecfg, because some apps use the default driver, so we would need
 389  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 390  *
 391  * Arguments:
 392  *  Callback: Callback function from the app
 393  *  Context: Argument to the call back.
 394  *
 395  * Returns:
 396  *  DD_OK on success
 397  *  E_INVALIDARG if the Callback caused a page fault
 398  *
 399  *
 400  ***********************************************************************/
 401 HRESULT WINAPI
 402 DirectDrawEnumerateA(LPDDENUMCALLBACKA Callback,
 403                      void *Context)
 404 {
 405     BOOL stop = FALSE;
 406
 407     TRACE(" Enumerating default DirectDraw HAL interface\n");
 408     /* We only have one driver */
 409     __TRY
 410     {
 411         static CHAR driver_desc[] = "DirectDraw HAL",
 412         driver_name[] = "display";
 413
 414         stop = !Callback(NULL, driver_desc, driver_name, Context);
 415     }
 416     __EXCEPT_PAGE_FAULT
 417     {
 418         return E_INVALIDARG;
 419     }
 420     __ENDTRY
 421
 422     TRACE(" End of enumeration\n");
 423     return DD_OK;
 424 }
 425
 426 /***********************************************************************
 427  * DirectDrawEnumerateExA (DDRAW.@)
 428  *
 429  * Enumerates DirectDraw7 drivers, ascii version. See
 430  * the comments above DirectDrawEnumerateA for more details.
 431  *
 432  * The Flag member is not supported right now.
 433  *
 434  ***********************************************************************/
 435 HRESULT WINAPI
 436 DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA Callback,
 437                        void *Context,
 438                        DWORD Flags)
 439 {
 440     BOOL stop = FALSE;
 441     TRACE("Enumerating default DirectDraw HAL interface\n");
 442
 443     /* We only have one driver by now */
 444     __TRY
 445     {
 446         static CHAR driver_desc[] = "DirectDraw HAL",
 447         driver_name[] = "display";
 448
 449         /* QuickTime expects the description "DirectDraw HAL" */
 450         stop = !Callback(NULL, driver_desc, driver_name, Context, 0);
 451     }
 452     __EXCEPT_PAGE_FAULT
 453     {
 454         return E_INVALIDARG;
 455     }
 456     __ENDTRY;
 457
 458     TRACE("End of enumeration\n");
 459     return DD_OK;
 460 }
 461
 462 /***********************************************************************
 463  * DirectDrawEnumerateW (DDRAW.@)
 464  *
 465  * Enumerates legacy drivers, unicode version. See
 466  * the comments above DirectDrawEnumerateA for more details.
 467  *
 468  * The Flag member is not supported right now.
 469  *
 470  ***********************************************************************/
 471
 472 /***********************************************************************
 473  * DirectDrawEnumerateExW (DDRAW.@)
 474  *
 475  * Enumerates DirectDraw7 drivers, unicode version. See
 476  * the comments above DirectDrawEnumerateA for more details.
 477  *
 478  * The Flag member is not supported right now.
 479  *
 480  ***********************************************************************/
 481
 482 /***********************************************************************
 483  * Classfactory implementation.
 484  ***********************************************************************/
 485
 486 /***********************************************************************
 487  * CF_CreateDirectDraw
 488  *
 489  * DDraw creation function for the class factory
 490  *
 491  * Params:
 492  *  UnkOuter: Set to NULL
 493  *  iid: ID of the wanted interface
 494  *  obj: Address to pass the interface pointer back
 495  *
 496  * Returns
 497  *  DD_OK / DDERR*, see DDRAW_Create
 498  *
 499  ***********************************************************************/
 500 static HRESULT
 501 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 502                     void **obj)
 503 {
 504     HRESULT hr;
 505
 506     TRACE("(%p,%s,%p)\n", UnkOuter, debugstr_guid(iid), obj);
 507
 508     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 509     return hr;
 510 }
 511
 512 /***********************************************************************
 513  * CF_CreateDirectDraw
 514  *
 515  * Clipper creation function for the class factory
 516  *
 517  * Params:
 518  *  UnkOuter: Set to NULL
 519  *  iid: ID of the wanted interface
 520  *  obj: Address to pass the interface pointer back
 521  *
 522  * Returns
 523  *  DD_OK / DDERR*, see DDRAW_Create
 524  *
 525  ***********************************************************************/
 526 static HRESULT
 527 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 528                               void **obj)
 529 {
 530     HRESULT hr;
 531     IDirectDrawClipper *Clip;
 532
 533     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 534     if (hr != DD_OK) return hr;
 535
 536     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 537     IDirectDrawClipper_Release(Clip);
 538     return hr;
 539 }
 540
 541 static const struct object_creation_info object_creation[] =
 542 {
 543     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 544     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 545     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 546 };
 547
 548 /*******************************************************************************
 549  * IDirectDrawClassFactory::QueryInterface
 550  *
 551  * QueryInterface for the class factory
 552  *
 553  * PARAMS
 554  *    riid   Reference to identifier of queried interface
 555  *    ppv    Address to return the interface pointer at
 556  *
 557  * RETURNS
 558  *    Success: S_OK
 559  *    Failure: E_NOINTERFACE
 560  *
 561  *******************************************************************************/
 562 static HRESULT WINAPI
 563 IDirectDrawClassFactoryImpl_QueryInterface(IClassFactory *iface,
 564                     REFIID riid,
 565                     void **obj)
 566 {
 567     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 568
 569     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), obj);
 570
 571     if (IsEqualGUID(riid, &IID_IUnknown)
 572         || IsEqualGUID(riid, &IID_IClassFactory))
 573     {
 574         IClassFactory_AddRef(iface);
 575         *obj = This;
 576         return S_OK;
 577     }
 578
 579     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),obj);
 580     return E_NOINTERFACE;
 581 }
 582
 583 /*******************************************************************************
 584  * IDirectDrawClassFactory::AddRef
 585  *
 586  * AddRef for the class factory
 587  *
 588  * RETURNS
 589  *  The new refcount
 590  *
 591  *******************************************************************************/
 592 static ULONG WINAPI
 593 IDirectDrawClassFactoryImpl_AddRef(IClassFactory *iface)
 594 {
 595     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 596     ULONG ref = InterlockedIncrement(&This->ref);
 597
 598     TRACE("(%p)->() incrementing from %d.\n", This, ref - 1);
 599
 600     return ref;
 601 }
 602
 603 /*******************************************************************************
 604  * IDirectDrawClassFactory::Release
 605  *
 606  * Release for the class factory. If the refcount falls to 0, the object
 607  * is destroyed
 608  *
 609  * RETURNS
 610  *  The new refcount
 611  *
 612  *******************************************************************************/
 613 static ULONG WINAPI
 614 IDirectDrawClassFactoryImpl_Release(IClassFactory *iface)
 615 {
 616     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 617     ULONG ref = InterlockedDecrement(&This->ref);
 618     TRACE("(%p)->() decrementing from %d.\n", This, ref+1);
 619
 620     if (ref == 0)
 621         HeapFree(GetProcessHeap(), 0, This);
 622
 623     return ref;
 624 }
 625
 626
 627 /*******************************************************************************
 628  * IDirectDrawClassFactory::CreateInstance
 629  *
 630  * What is this? Seems to create DirectDraw objects...
 631  *
 632  * Params
 633  *  The ususal things???
 634  *
 635  * RETURNS
 636  *  ???
 637  *
 638  *******************************************************************************/
 639 static HRESULT WINAPI
 640 IDirectDrawClassFactoryImpl_CreateInstance(IClassFactory *iface,
 641                                            IUnknown *UnkOuter,
 642                                            REFIID riid,
 643                                            void **obj)
 644 {
 645     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 646
 647     TRACE("(%p)->(%p,%s,%p)\n",This,UnkOuter,debugstr_guid(riid),obj);
 648
 649     return This->pfnCreateInstance(UnkOuter, riid, obj);
 650 }
 651
 652 /*******************************************************************************
 653  * IDirectDrawClassFactory::LockServer
 654  *
 655  * What is this?
 656  *
 657  * Params
 658  *  ???
 659  *
 660  * RETURNS
 661  *  S_OK, because it's a stub
 662  *
 663  *******************************************************************************/
 664 static HRESULT WINAPI
 665 IDirectDrawClassFactoryImpl_LockServer(IClassFactory *iface,BOOL dolock)
 666 {
 667     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 668     FIXME("(%p)->(%d),stub!\n",This,dolock);
 669     return S_OK;
 670 }
 671
 672 /*******************************************************************************
 673  * The class factory VTable
 674  *******************************************************************************/
 675 static const IClassFactoryVtbl IClassFactory_Vtbl =
 676 {
 677     IDirectDrawClassFactoryImpl_QueryInterface,
 678     IDirectDrawClassFactoryImpl_AddRef,
 679     IDirectDrawClassFactoryImpl_Release,
 680     IDirectDrawClassFactoryImpl_CreateInstance,
 681     IDirectDrawClassFactoryImpl_LockServer
 682 };
 683
 684 /*******************************************************************************
 685  * DllGetClassObject [DDRAW.@]
 686  * Retrieves class object from a DLL object
 687  *
 688  * NOTES
 689  *    Docs say returns STDAPI
 690  *
 691  * PARAMS
 692  *    rclsid [I] CLSID for the class object
 693  *    riid   [I] Reference to identifier of interface for class object
 694  *    ppv    [O] Address of variable to receive interface pointer for riid
 695  *
 696  * RETURNS
 697  *    Success: S_OK
 698  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 699  *             E_UNEXPECTED
 700  */
 701 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 702 {
 703     unsigned int i;
 704     IClassFactoryImpl *factory;
 705
 706     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 707
 708     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 709          && ! IsEqualGUID( &IID_IUnknown, riid) )
 710         return E_NOINTERFACE;
 711
 712     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 713     {
 714         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 715             break;
 716     }
 717
 718     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 719     {
 720         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 721         return CLASS_E_CLASSNOTAVAILABLE;
 722     }
 723
 724     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 725     if (factory == NULL) return E_OUTOFMEMORY;
 726
 727     ICOM_INIT_INTERFACE(factory, IClassFactory, IClassFactory_Vtbl);
 728     factory->ref = 1;
 729
 730     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 731
 732     *ppv = ICOM_INTERFACE(factory, IClassFactory);
 733     return S_OK;
 734 }
 735
 736
 737 /*******************************************************************************
 738  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 739  *
 740  * RETURNS
 741  *    Success: S_OK
 742  *    Failure: S_FALSE
 743  */
 744 HRESULT WINAPI DllCanUnloadNow(void)
 745 {
 746     FIXME("(void): stub\n");
 747     return S_FALSE;
 748 }
 749
 750 /*******************************************************************************
 751  * DestroyCallback
 752  *
 753  * Callback function for the EnumSurfaces call in DllMain.
 754  * Dumps some surface info and releases the surface
 755  *
 756  * Params:
 757  *  surf: The enumerated surface
 758  *  desc: it's description
 759  *  context: Pointer to the ddraw impl
 760  *
 761  * Returns:
 762  *  DDENUMRET_OK;
 763  *******************************************************************************/
 764 static HRESULT WINAPI
 765 DestroyCallback(IDirectDrawSurface7 *surf,
 766                 DDSURFACEDESC2 *desc,
 767                 void *context)
 768 {
 769     IDirectDrawSurfaceImpl *Impl = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, surf);
 770     IDirectDrawImpl *ddraw = (IDirectDrawImpl *) context;
 771     ULONG ref;
 772
 773     ref = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 774     WARN("Surface %p has an reference count of %d\n", Impl, ref);
 775
 776     /* Skip surfaces which are attached somewhere or which are
 777      * part of a complex compound. They will get released when destroying
 778      * the root
 779      */
 780     if( (Impl->first_complex != Impl) || (Impl->first_attached != Impl) )
 781         return DDENUMRET_OK;
 782     /* Skip our depth stencil surface, it will be released with the render target */
 783     if( Impl == ddraw->DepthStencilBuffer)
 784         return DDENUMRET_OK;
 785
 786     /* Destroy the surface */
 787     while(ref) ref = IDirectDrawSurface7_Release(surf);
 788
 789     return DDENUMRET_OK;
 790 }
 791
 792 /***********************************************************************
 793  * get_config_key
 794  *
 795  * Reads a config key from the registry. Taken from WineD3D
 796  *
 797  ***********************************************************************/
 798 inline static DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 799 {
 800     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 801     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 802     return ERROR_FILE_NOT_FOUND;
 803 }
 804
 805 /***********************************************************************
 806  * DllMain (DDRAW.0)
 807  *
 808  * Could be used to register DirectDraw drivers, if we have more than
 809  * one. Also used to destroy any objects left at unload if the
 810  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 811  *
 812  ***********************************************************************/
 813 BOOL WINAPI
 814 DllMain(HINSTANCE hInstDLL,
 815         DWORD Reason,
 816         void *lpv)
 817 {
 818     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 819     if (Reason == DLL_PROCESS_ATTACH)
 820     {
 821         char buffer[MAX_PATH+10];
 822         DWORD size = sizeof(buffer);
 823         HKEY hkey = 0;
 824         HKEY appkey = 0;
 825         DWORD len;
 826
 827        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 828        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 829
 830        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 831        if (len && len < MAX_PATH)
 832        {
 833             HKEY tmpkey;
 834             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 835             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 836             {
 837                 char *p, *appname = buffer;
 838                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 839                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 840                 strcat( appname, "\\Direct3D" );
 841                 TRACE("appname = [%s]\n", appname);
 842                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 843                 RegCloseKey( tmpkey );
 844             }
 845        }
 846
 847        if ( 0 != hkey || 0 != appkey )
 848        {
 849             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 850             {
 851                 if (!strcmp(buffer,"gdi"))
 852                 {
 853                     TRACE("Defaulting to GDI surfaces\n");
 854                     DefaultSurfaceType = SURFACE_GDI;
 855                 }
 856                 else if (!strcmp(buffer,"opengl"))
 857                 {
 858                     TRACE("Defaulting to opengl surfaces\n");
 859                     DefaultSurfaceType = SURFACE_OPENGL;
 860                 }
 861                 else
 862                 {
 863                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 864                 }
 865             }
 866         }
 867
 868         DisableThreadLibraryCalls(hInstDLL);
 869     }
 870     else if (Reason == DLL_PROCESS_DETACH)
 871     {
 872         if(!list_empty(&global_ddraw_list))
 873         {
 874             struct list *entry, *entry2;
 875             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 876
 877             /* We remove elemets from this loop */
 878             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 879             {
 880                 HRESULT hr;
 881                 DDSURFACEDESC2 desc;
 882                 int i;
 883                 IDirectDrawImpl *ddraw = LIST_ENTRY(entry, IDirectDrawImpl, ddraw_list_entry);
 884
 885                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 886
 887                 /* Add references to each interface to avoid freeing them unexpectadely */
 888                 IDirectDraw_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw));
 889                 IDirectDraw2_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw2));
 890                 IDirectDraw3_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw3));
 891                 IDirectDraw4_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw4));
 892                 IDirectDraw7_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw7));
 893
 894                 /* Does a D3D device exist? Destroy it
 895                     * TODO: Destroy all Vertex buffers, Lights, Materials
 896                     * and execture buffers too
 897                     */
 898                 if(ddraw->d3ddevice)
 899                 {
 900                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
 901                     while(IDirect3DDevice7_Release(ICOM_INTERFACE(ddraw->d3ddevice, IDirect3DDevice7)));
 902                 }
 903
 904                 /* Try to release the objects
 905                     * Do an EnumSurfaces to find any hanging surfaces
 906                     */
 907                 memset(&desc, 0, sizeof(desc));
 908                 desc.dwSize = sizeof(desc);
 909                 for(i = 0; i <= 1; i++)
 910                 {
 911                     hr = IDirectDraw7_EnumSurfaces(ICOM_INTERFACE(ddraw, IDirectDraw7),
 912                                                     DDENUMSURFACES_ALL,
 913                                                     &desc,
 914                                                     (void *) ddraw,
 915                                                     DestroyCallback);
 916                     if(hr != D3D_OK)
 917                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
 918                 }
 919
 920                 /* Check the surface count */
 921                 if(ddraw->surfaces > 0)
 922                     ERR("DDraw %p still has %d surfaces attached\n", ddraw, ddraw->surfaces);
 923
 924                 /* Release all hanging references to destroy the objects. This
 925                     * restores the screen mode too
 926                     */
 927                 while(IDirectDraw_Release(ICOM_INTERFACE(ddraw, IDirectDraw)));
 928                 while(IDirectDraw2_Release(ICOM_INTERFACE(ddraw, IDirectDraw2)));
 929                 while(IDirectDraw3_Release(ICOM_INTERFACE(ddraw, IDirectDraw3)));
 930                 while(IDirectDraw4_Release(ICOM_INTERFACE(ddraw, IDirectDraw4)));
 931                 while(IDirectDraw7_Release(ICOM_INTERFACE(ddraw, IDirectDraw7)));
 932             }
 933         }
 934     }
 935
 936     return TRUE;
 937 }
 938
 939 void
 940 remove_ddraw_object(IDirectDrawImpl *ddraw)
 941 {
 942     EnterCriticalSection(&ddraw_list_cs);
 943     list_remove(&ddraw->ddraw_list_entry);
 944     LeaveCriticalSection(&ddraw_list_cs);
 945 }