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