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 "winerror.h"
  40 #include "wingdi.h"
  41 #include "wine/exception.h"
  42 #include "winreg.h"
  43
  44 #include "ddraw.h"
  45 #include "d3d.h"
  46
  47 #include "ddraw_private.h"
  48
  49 typedef IWineD3D* (WINAPI *fnWineDirect3DCreate)(UINT, UINT, IUnknown *);
  50
  51 static HMODULE hWineD3D = (HMODULE) -1;
  52 static fnWineDirect3DCreate pWineDirect3DCreate;
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  55
  56 /* The configured default surface */
  57 WINED3DSURFTYPE DefaultSurfaceType = SURFACE_UNKNOWN;
  58
  59 /* DDraw list and critical section */
  60 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
  61
  62 static CRITICAL_SECTION ddraw_list_cs;
  63 static CRITICAL_SECTION_DEBUG ddraw_list_cs_debug =
  64 {
  65     0, 0, &ddraw_list_cs,
  66     { &ddraw_list_cs_debug.ProcessLocksList,
  67     &ddraw_list_cs_debug.ProcessLocksList },
  68     0, 0, { (DWORD_PTR)(__FILE__ ": ddraw_list_cs") }
  69 };
  70 static CRITICAL_SECTION ddraw_list_cs = { &ddraw_list_cs_debug, -1, 0, 0, 0, 0 };
  71
  72 /***********************************************************************
  73  *
  74  * Helper function for DirectDrawCreate and friends
  75  * Creates a new DDraw interface with the given REFIID
  76  *
  77  * Interfaces that can be created:
  78  *  IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
  79  *  IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
  80  *  IDirect3D interfaces?)
  81  *
  82  * Arguments:
  83  *  guid: ID of the requested driver, NULL for the default driver.
  84  *        The GUID can be queried with DirectDrawEnumerate(Ex)A/W
  85  *  DD: Used to return the pointer to the created object
  86  *  UnkOuter: For aggregation, which is unsupported. Must be NULL
  87  *  iid: requested version ID.
  88  *
  89  * Returns:
  90  *  DD_OK if the Interface was created successfully
  91  *  CLASS_E_NOAGGREGATION if UnkOuter is not NULL
  92  *  E_OUTOFMEMORY if some allocation failed
  93  *
  94  ***********************************************************************/
  95 static HRESULT
  96 DDRAW_Create(const GUID *guid,
  97              void **DD,
  98              IUnknown *UnkOuter,
  99              REFIID iid)
 100 {
 101     IDirectDrawImpl *This = NULL;
 102     HRESULT hr;
 103     IWineD3D *wineD3D = NULL;
 104     IWineD3DDevice *wineD3DDevice = NULL;
 105     HDC hDC;
 106     WINED3DDEVTYPE devicetype;
 107
 108     TRACE("(%s,%p,%p)\n", debugstr_guid(guid), DD, UnkOuter);
 109
 110     *DD = NULL;
 111
 112     /* We don't care about this guids. Well, there's no special guid anyway
 113      * OK, we could
 114      */
 115     if (guid == (GUID *) DDCREATE_EMULATIONONLY)
 116     {
 117         /* Use the reference device id. This doesn't actually change anything,
 118          * WineD3D always uses OpenGL for D3D rendering. One could make it request
 119          * indirect rendering
 120          */
 121         devicetype = WINED3DDEVTYPE_REF;
 122     }
 123     else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
 124     {
 125         devicetype = WINED3DDEVTYPE_HAL;
 126     }
 127     else
 128     {
 129         devicetype = 0;
 130     }
 131
 132     /* DDraw doesn't support aggregation, according to msdn */
 133     if (UnkOuter != NULL)
 134         return CLASS_E_NOAGGREGATION;
 135
 136     /* DirectDraw creation comes here */
 137     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
 138     if(!This)
 139     {
 140         ERR("Out of memory when creating DirectDraw\n");
 141         return E_OUTOFMEMORY;
 142     }
 143
 144     /* The interfaces:
 145      * IDirectDraw and IDirect3D are the same object,
 146      * QueryInterface is used to get other interfaces.
 147      */
 148     ICOM_INIT_INTERFACE(This, IDirectDraw,  IDirectDraw1_Vtbl);
 149     ICOM_INIT_INTERFACE(This, IDirectDraw2, IDirectDraw2_Vtbl);
 150     ICOM_INIT_INTERFACE(This, IDirectDraw3, IDirectDraw3_Vtbl);
 151     ICOM_INIT_INTERFACE(This, IDirectDraw4, IDirectDraw4_Vtbl);
 152     ICOM_INIT_INTERFACE(This, IDirectDraw7, IDirectDraw7_Vtbl);
 153     ICOM_INIT_INTERFACE(This, IDirect3D,  IDirect3D1_Vtbl);
 154     ICOM_INIT_INTERFACE(This, IDirect3D2, IDirect3D2_Vtbl);
 155     ICOM_INIT_INTERFACE(This, IDirect3D3, IDirect3D3_Vtbl);
 156     ICOM_INIT_INTERFACE(This, IDirect3D7, IDirect3D7_Vtbl);
 157
 158     /* See comments in IDirectDrawImpl_CreateNewSurface for a description
 159      * of this member.
 160      * Read from a registry key, should add a winecfg option later
 161      */
 162     This->ImplType = DefaultSurfaceType;
 163
 164     /* Get the current screen settings */
 165     hDC = GetDC(0);
 166     This->orig_bpp = GetDeviceCaps(hDC, BITSPIXEL) * GetDeviceCaps(hDC, PLANES);
 167     ReleaseDC(0, hDC);
 168     This->orig_width = GetSystemMetrics(SM_CXSCREEN);
 169     This->orig_height = GetSystemMetrics(SM_CYSCREEN);
 170
 171     if (hWineD3D == (HMODULE) -1)
 172     {
 173         hWineD3D = LoadLibraryA("wined3d");
 174         if (hWineD3D)
 175             pWineDirect3DCreate = (fnWineDirect3DCreate) GetProcAddress(hWineD3D, "WineDirect3DCreate");
 176     }
 177
 178     if (!hWineD3D)
 179     {
 180         ERR("Couldn't load WineD3D - OpenGL libs not present?\n");
 181         hr = DDERR_NODIRECTDRAWSUPPORT;
 182         goto err_out;
 183     }
 184
 185     /* Initialize WineD3D
 186      *
 187      * All Rendering (2D and 3D) is relayed to WineD3D,
 188      * but DirectDraw specific management, like DDSURFACEDESC and DDPIXELFORMAT
 189      * structure handling is handled in this lib.
 190      */
 191     wineD3D = pWineDirect3DCreate(0 /* SDKVersion */, 7 /* DXVersion */, (IUnknown *) This /* Parent */);
 192     if(!wineD3D)
 193     {
 194         ERR("Failed to initialise WineD3D\n");
 195         hr = E_OUTOFMEMORY;
 196         goto err_out;
 197     }
 198     This->wineD3D = wineD3D;
 199     TRACE("WineD3D created at %p\n", wineD3D);
 200
 201     /* Initialized member...
 202      *
 203      * It is set to false at creation time, and set to true in
 204      * IDirectDraw7::Initialize. Its sole purpose is to return DD_OK on
 205      * initialize only once
 206      */
 207     This->initialized = FALSE;
 208
 209     /* Initialize WineD3DDevice
 210      *
 211      * It is used for screen setup, surface and palette creation
 212      * When a Direct3DDevice7 is created, the D3D capabilities of WineD3D are
 213      * initialized
 214      */
 215     hr = IWineD3D_CreateDevice(wineD3D,
 216                                0 /*D3D_ADAPTER_DEFAULT*/,
 217                                devicetype,
 218                                NULL, /* FocusWindow, don't know yet */
 219                                0, /* BehaviorFlags */
 220                                &wineD3DDevice,
 221                                (IUnknown *) ICOM_INTERFACE(This, IDirectDraw7));
 222     if(FAILED(hr))
 223     {
 224         ERR("Failed to create a wineD3DDevice, result = %x\n", hr);
 225         goto err_out;
 226     }
 227     This->wineD3DDevice = wineD3DDevice;
 228     TRACE("wineD3DDevice created at %p\n", This->wineD3DDevice);
 229
 230     /* Register the window class
 231      *
 232      * It is used to create a hidden window for D3D
 233      * rendering, if the application didn't pass one.
 234      * It can also be used for Creating a device window
 235      * from SetCooperativeLevel
 236      *
 237      * The name: DDRAW_<address>. The classname is
 238      * 32 bit long, so a 64 bit address will fit nicely
 239      * (Will this be compiled for 64 bit anyway?)
 240      *
 241      */
 242     sprintf(This->classname, "DDRAW_%p", This);
 243
 244     memset(&This->wnd_class, 0, sizeof(This->wnd_class));
 245     This->wnd_class.style = CS_HREDRAW | CS_VREDRAW;
 246     This->wnd_class.lpfnWndProc = DefWindowProcA;
 247     This->wnd_class.cbClsExtra = 0;
 248     This->wnd_class.cbWndExtra = 0;
 249     This->wnd_class.hInstance = GetModuleHandleA(0);
 250     This->wnd_class.hIcon = 0;
 251     This->wnd_class.hCursor = 0;
 252     This->wnd_class.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
 253     This->wnd_class.lpszMenuName = NULL;
 254     This->wnd_class.lpszClassName = This->classname;
 255     if(!RegisterClassA(&This->wnd_class))
 256     {
 257         ERR("RegisterClassA failed!\n");
 258         goto err_out;
 259     }
 260
 261     /* Get the amount of video memory */
 262     This->total_vidmem = IWineD3DDevice_GetAvailableTextureMem(This->wineD3DDevice);
 263
 264     /* Initialize the caps */
 265     This->caps.dwSize = sizeof(This->caps);
 266 /* do not report DDCAPS_OVERLAY and friends since we don't support overlays */
 267 #define BLIT_CAPS (DDCAPS_BLT | DDCAPS_BLTCOLORFILL | DDCAPS_BLTDEPTHFILL \
 268           | DDCAPS_BLTSTRETCH | DDCAPS_CANBLTSYSMEM | DDCAPS_CANCLIP      \
 269           | DDCAPS_CANCLIPSTRETCHED | DDCAPS_COLORKEY                     \
 270           | DDCAPS_COLORKEYHWASSIST | DDCAPS_ALIGNBOUNDARYSRC )
 271 #define CKEY_CAPS (DDCKEYCAPS_DESTBLT | DDCKEYCAPS_SRCBLT)
 272 #define FX_CAPS (DDFXCAPS_BLTALPHA | DDFXCAPS_BLTMIRRORLEFTRIGHT        \
 273                 | DDFXCAPS_BLTMIRRORUPDOWN | DDFXCAPS_BLTROTATION90     \
 274                 | DDFXCAPS_BLTSHRINKX | DDFXCAPS_BLTSHRINKXN            \
 275                 | DDFXCAPS_BLTSHRINKY | DDFXCAPS_BLTSHRINKXN            \
 276                 | DDFXCAPS_BLTSTRETCHX | DDFXCAPS_BLTSTRETCHXN          \
 277                 | DDFXCAPS_BLTSTRETCHY | DDFXCAPS_BLTSTRETCHYN)
 278     This->caps.dwCaps |= DDCAPS_GDI | DDCAPS_PALETTE | BLIT_CAPS;
 279
 280     This->caps.dwCaps2 |= DDCAPS2_CERTIFIED | DDCAPS2_NOPAGELOCKREQUIRED |
 281                           DDCAPS2_PRIMARYGAMMA | DDCAPS2_WIDESURFACES |
 282                           DDCAPS2_CANRENDERWINDOWED;
 283     This->caps.dwCKeyCaps |= CKEY_CAPS;
 284     This->caps.dwFXCaps |= FX_CAPS;
 285     This->caps.dwPalCaps |= DDPCAPS_8BIT | DDPCAPS_PRIMARYSURFACE;
 286     This->caps.dwVidMemTotal = This->total_vidmem;
 287     This->caps.dwVidMemFree = This->total_vidmem;
 288     This->caps.dwSVBCaps |= BLIT_CAPS;
 289     This->caps.dwSVBCKeyCaps |= CKEY_CAPS;
 290     This->caps.dwSVBFXCaps |= FX_CAPS;
 291     This->caps.dwVSBCaps |= BLIT_CAPS;
 292     This->caps.dwVSBCKeyCaps |= CKEY_CAPS;
 293     This->caps.dwVSBFXCaps |= FX_CAPS;
 294     This->caps.dwSSBCaps |= BLIT_CAPS;
 295     This->caps.dwSSBCKeyCaps |= CKEY_CAPS;
 296     This->caps.dwSSBFXCaps |= FX_CAPS;
 297     This->caps.ddsCaps.dwCaps |= DDSCAPS_ALPHA | DDSCAPS_BACKBUFFER |
 298                                  DDSCAPS_FLIP | DDSCAPS_FRONTBUFFER |
 299                                  DDSCAPS_OFFSCREENPLAIN | DDSCAPS_PALETTE |
 300                                  DDSCAPS_PRIMARYSURFACE | DDSCAPS_SYSTEMMEMORY |
 301                                  DDSCAPS_VIDEOMEMORY | DDSCAPS_VISIBLE;
 302     /* Hacks for D3D code */
 303     /* TODO: Check if WineD3D has 3D enabled
 304        Need opengl surfaces or auto for 3D
 305      */
 306     if(This->ImplType == 0 || This->ImplType == SURFACE_OPENGL)
 307     {
 308         This->caps.dwCaps |= DDCAPS_3D;
 309         This->caps.ddsCaps.dwCaps |= DDSCAPS_3DDEVICE | DDSCAPS_MIPMAP | DDSCAPS_TEXTURE | DDSCAPS_ZBUFFER;
 310     }
 311     This->caps.ddsOldCaps.dwCaps = This->caps.ddsCaps.dwCaps;
 312
 313 #undef BLIT_CAPS
 314 #undef CKEY_CAPS
 315 #undef FX_CAPS
 316
 317     list_init(&This->surface_list);
 318
 319     EnterCriticalSection(&ddraw_list_cs);
 320     list_add_head(&global_ddraw_list, &This->ddraw_list_entry);
 321     LeaveCriticalSection(&ddraw_list_cs);
 322
 323     This->decls = HeapAlloc(GetProcessHeap(), 0, 0);
 324     if(!This->decls)
 325     {
 326         ERR("Error allocating an empty array for the converted vertex decls\n");
 327         goto err_out;
 328     }
 329
 330     /* Call QueryInterface to get the pointer to the requested interface. This also initializes
 331      * The required refcount
 332      */
 333     hr = IDirectDraw7_QueryInterface( ICOM_INTERFACE(This, IDirectDraw7), iid, DD);
 334     if(SUCCEEDED(hr)) return DD_OK;
 335
 336 err_out:
 337     /* Let's hope we never need this ;) */
 338     if(wineD3DDevice) IWineD3DDevice_Release(wineD3DDevice);
 339     if(wineD3D) IWineD3D_Release(wineD3D);
 340     if(This) HeapFree(GetProcessHeap(), 0, This->decls);
 341     HeapFree(GetProcessHeap(), 0, This);
 342     return hr;
 343 }
 344
 345 /***********************************************************************
 346  * DirectDrawCreate (DDRAW.@)
 347  *
 348  * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
 349  * interfaces in theory
 350  *
 351  * Arguments, return values: See DDRAW_Create
 352  *
 353  ***********************************************************************/
 354 HRESULT WINAPI
 355 DirectDrawCreate(GUID *GUID,
 356                  IDirectDraw **DD,
 357                  IUnknown *UnkOuter)
 358 {
 359     TRACE("(%s,%p,%p)\n", debugstr_guid(GUID), DD, UnkOuter);
 360
 361     return DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
 362 }
 363
 364 /***********************************************************************
 365  * DirectDrawCreateEx (DDRAW.@)
 366  *
 367  * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
 368  * interfaces are requested.
 369  *
 370  * Arguments, return values: See DDRAW_Create
 371  *
 372  ***********************************************************************/
 373 HRESULT WINAPI
 374 DirectDrawCreateEx(GUID *GUID,
 375                    void **DD,
 376                    REFIID iid,
 377                    IUnknown *UnkOuter)
 378 {
 379     TRACE("(%s,%p,%s,%p)\n", debugstr_guid(GUID), DD, debugstr_guid(iid), UnkOuter);
 380
 381     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 382         return DDERR_INVALIDPARAMS;
 383
 384     return DDRAW_Create(GUID, DD, UnkOuter, iid);
 385 }
 386
 387 /***********************************************************************
 388  * DirectDrawEnumerateA (DDRAW.@)
 389  *
 390  * Enumerates legacy ddraw drivers, ascii version. We only have one
 391  * driver, which relays to WineD3D. If we were sufficiently cool,
 392  * we could offer various interfaces, which use a different default surface
 393  * implementation, but I think it's better to offer this choice in
 394  * winecfg, because some apps use the default driver, so we would need
 395  * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
 396  *
 397  * Arguments:
 398  *  Callback: Callback function from the app
 399  *  Context: Argument to the call back.
 400  *
 401  * Returns:
 402  *  DD_OK on success
 403  *  E_INVALIDARG if the Callback caused a page fault
 404  *
 405  *
 406  ***********************************************************************/
 407 HRESULT WINAPI
 408 DirectDrawEnumerateA(LPDDENUMCALLBACKA Callback,
 409                      void *Context)
 410 {
 411     BOOL stop = FALSE;
 412
 413     TRACE(" Enumerating default DirectDraw HAL interface\n");
 414     /* We only have one driver */
 415     __TRY
 416     {
 417         static CHAR driver_desc[] = "DirectDraw HAL",
 418         driver_name[] = "display";
 419
 420         stop = !Callback(NULL, driver_desc, driver_name, Context);
 421     }
 422     __EXCEPT_PAGE_FAULT
 423     {
 424         return E_INVALIDARG;
 425     }
 426     __ENDTRY
 427
 428     TRACE(" End of enumeration\n");
 429     return DD_OK;
 430 }
 431
 432 /***********************************************************************
 433  * DirectDrawEnumerateExA (DDRAW.@)
 434  *
 435  * Enumerates DirectDraw7 drivers, ascii version. See
 436  * the comments above DirectDrawEnumerateA for more details.
 437  *
 438  * The Flag member is not supported right now.
 439  *
 440  ***********************************************************************/
 441 HRESULT WINAPI
 442 DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA Callback,
 443                        void *Context,
 444                        DWORD Flags)
 445 {
 446     BOOL stop = FALSE;
 447     TRACE("Enumerating default DirectDraw HAL interface\n");
 448
 449     /* We only have one driver by now */
 450     __TRY
 451     {
 452         static CHAR driver_desc[] = "DirectDraw HAL",
 453         driver_name[] = "display";
 454
 455         /* QuickTime expects the description "DirectDraw HAL" */
 456         stop = !Callback(NULL, driver_desc, driver_name, Context, 0);
 457     }
 458     __EXCEPT_PAGE_FAULT
 459     {
 460         return E_INVALIDARG;
 461     }
 462     __ENDTRY;
 463
 464     TRACE("End of enumeration\n");
 465     return DD_OK;
 466 }
 467
 468 /***********************************************************************
 469  * DirectDrawEnumerateW (DDRAW.@)
 470  *
 471  * Enumerates legacy drivers, unicode version. See
 472  * the comments above DirectDrawEnumerateA for more details.
 473  *
 474  * The Flag member is not supported right now.
 475  *
 476  ***********************************************************************/
 477
 478 /***********************************************************************
 479  * DirectDrawEnumerateExW (DDRAW.@)
 480  *
 481  * Enumerates DirectDraw7 drivers, unicode version. See
 482  * the comments above DirectDrawEnumerateA for more details.
 483  *
 484  * The Flag member is not supported right now.
 485  *
 486  ***********************************************************************/
 487
 488 /***********************************************************************
 489  * Classfactory implementation.
 490  ***********************************************************************/
 491
 492 /***********************************************************************
 493  * CF_CreateDirectDraw
 494  *
 495  * DDraw creation function for the class factory
 496  *
 497  * Params:
 498  *  UnkOuter: Set to NULL
 499  *  iid: ID of the wanted interface
 500  *  obj: Address to pass the interface pointer back
 501  *
 502  * Returns
 503  *  DD_OK / DDERR*, see DDRAW_Create
 504  *
 505  ***********************************************************************/
 506 static HRESULT
 507 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
 508                     void **obj)
 509 {
 510     HRESULT hr;
 511
 512     TRACE("(%p,%s,%p)\n", UnkOuter, debugstr_guid(iid), obj);
 513
 514     hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
 515     return hr;
 516 }
 517
 518 /***********************************************************************
 519  * CF_CreateDirectDraw
 520  *
 521  * Clipper creation function for the class factory
 522  *
 523  * Params:
 524  *  UnkOuter: Set to NULL
 525  *  iid: ID of the wanted interface
 526  *  obj: Address to pass the interface pointer back
 527  *
 528  * Returns
 529  *  DD_OK / DDERR*, see DDRAW_Create
 530  *
 531  ***********************************************************************/
 532 static HRESULT
 533 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
 534                               void **obj)
 535 {
 536     HRESULT hr;
 537     IDirectDrawClipper *Clip;
 538
 539     hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
 540     if (hr != DD_OK) return hr;
 541
 542     hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
 543     IDirectDrawClipper_Release(Clip);
 544     return hr;
 545 }
 546
 547 static const struct object_creation_info object_creation[] =
 548 {
 549     { &CLSID_DirectDraw,        CF_CreateDirectDraw },
 550     { &CLSID_DirectDraw7,       CF_CreateDirectDraw },
 551     { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
 552 };
 553
 554 /*******************************************************************************
 555  * IDirectDrawClassFactory::QueryInterface
 556  *
 557  * QueryInterface for the class factory
 558  *
 559  * PARAMS
 560  *    riid   Reference to identifier of queried interface
 561  *    ppv    Address to return the interface pointer at
 562  *
 563  * RETURNS
 564  *    Success: S_OK
 565  *    Failure: E_NOINTERFACE
 566  *
 567  *******************************************************************************/
 568 static HRESULT WINAPI
 569 IDirectDrawClassFactoryImpl_QueryInterface(IClassFactory *iface,
 570                     REFIID riid,
 571                     void **obj)
 572 {
 573     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 574
 575     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), obj);
 576
 577     if (IsEqualGUID(riid, &IID_IUnknown)
 578         || IsEqualGUID(riid, &IID_IClassFactory))
 579     {
 580         IClassFactory_AddRef(iface);
 581         *obj = This;
 582         return S_OK;
 583     }
 584
 585     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),obj);
 586     return E_NOINTERFACE;
 587 }
 588
 589 /*******************************************************************************
 590  * IDirectDrawClassFactory::AddRef
 591  *
 592  * AddRef for the class factory
 593  *
 594  * RETURNS
 595  *  The new refcount
 596  *
 597  *******************************************************************************/
 598 static ULONG WINAPI
 599 IDirectDrawClassFactoryImpl_AddRef(IClassFactory *iface)
 600 {
 601     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 602     ULONG ref = InterlockedIncrement(&This->ref);
 603
 604     TRACE("(%p)->() incrementing from %d.\n", This, ref - 1);
 605
 606     return ref;
 607 }
 608
 609 /*******************************************************************************
 610  * IDirectDrawClassFactory::Release
 611  *
 612  * Release for the class factory. If the refcount falls to 0, the object
 613  * is destroyed
 614  *
 615  * RETURNS
 616  *  The new refcount
 617  *
 618  *******************************************************************************/
 619 static ULONG WINAPI
 620 IDirectDrawClassFactoryImpl_Release(IClassFactory *iface)
 621 {
 622     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 623     ULONG ref = InterlockedDecrement(&This->ref);
 624     TRACE("(%p)->() decrementing from %d.\n", This, ref+1);
 625
 626     if (ref == 0)
 627         HeapFree(GetProcessHeap(), 0, This);
 628
 629     return ref;
 630 }
 631
 632
 633 /*******************************************************************************
 634  * IDirectDrawClassFactory::CreateInstance
 635  *
 636  * What is this? Seems to create DirectDraw objects...
 637  *
 638  * Params
 639  *  The ususal things???
 640  *
 641  * RETURNS
 642  *  ???
 643  *
 644  *******************************************************************************/
 645 static HRESULT WINAPI
 646 IDirectDrawClassFactoryImpl_CreateInstance(IClassFactory *iface,
 647                                            IUnknown *UnkOuter,
 648                                            REFIID riid,
 649                                            void **obj)
 650 {
 651     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 652
 653     TRACE("(%p)->(%p,%s,%p)\n",This,UnkOuter,debugstr_guid(riid),obj);
 654
 655     return This->pfnCreateInstance(UnkOuter, riid, obj);
 656 }
 657
 658 /*******************************************************************************
 659  * IDirectDrawClassFactory::LockServer
 660  *
 661  * What is this?
 662  *
 663  * Params
 664  *  ???
 665  *
 666  * RETURNS
 667  *  S_OK, because it's a stub
 668  *
 669  *******************************************************************************/
 670 static HRESULT WINAPI
 671 IDirectDrawClassFactoryImpl_LockServer(IClassFactory *iface,BOOL dolock)
 672 {
 673     ICOM_THIS_FROM(IClassFactoryImpl, IClassFactory, iface);
 674     FIXME("(%p)->(%d),stub!\n",This,dolock);
 675     return S_OK;
 676 }
 677
 678 /*******************************************************************************
 679  * The class factory VTable
 680  *******************************************************************************/
 681 static const IClassFactoryVtbl IClassFactory_Vtbl =
 682 {
 683     IDirectDrawClassFactoryImpl_QueryInterface,
 684     IDirectDrawClassFactoryImpl_AddRef,
 685     IDirectDrawClassFactoryImpl_Release,
 686     IDirectDrawClassFactoryImpl_CreateInstance,
 687     IDirectDrawClassFactoryImpl_LockServer
 688 };
 689
 690 /*******************************************************************************
 691  * DllGetClassObject [DDRAW.@]
 692  * Retrieves class object from a DLL object
 693  *
 694  * NOTES
 695  *    Docs say returns STDAPI
 696  *
 697  * PARAMS
 698  *    rclsid [I] CLSID for the class object
 699  *    riid   [I] Reference to identifier of interface for class object
 700  *    ppv    [O] Address of variable to receive interface pointer for riid
 701  *
 702  * RETURNS
 703  *    Success: S_OK
 704  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 705  *             E_UNEXPECTED
 706  */
 707 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 708 {
 709     unsigned int i;
 710     IClassFactoryImpl *factory;
 711
 712     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 713
 714     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 715          && ! IsEqualGUID( &IID_IUnknown, riid) )
 716         return E_NOINTERFACE;
 717
 718     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 719     {
 720         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 721             break;
 722     }
 723
 724     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 725     {
 726         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 727         return CLASS_E_CLASSNOTAVAILABLE;
 728     }
 729
 730     factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory));
 731     if (factory == NULL) return E_OUTOFMEMORY;
 732
 733     ICOM_INIT_INTERFACE(factory, IClassFactory, IClassFactory_Vtbl);
 734     factory->ref = 1;
 735
 736     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 737
 738     *ppv = ICOM_INTERFACE(factory, IClassFactory);
 739     return S_OK;
 740 }
 741
 742
 743 /*******************************************************************************
 744  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 745  *
 746  * RETURNS
 747  *    Success: S_OK
 748  *    Failure: S_FALSE
 749  */
 750 HRESULT WINAPI DllCanUnloadNow(void)
 751 {
 752     FIXME("(void): stub\n");
 753     return S_FALSE;
 754 }
 755
 756 /*******************************************************************************
 757  * DestroyCallback
 758  *
 759  * Callback function for the EnumSurfaces call in DllMain.
 760  * Dumps some surface info and releases the surface
 761  *
 762  * Params:
 763  *  surf: The enumerated surface
 764  *  desc: it's description
 765  *  context: Pointer to the ddraw impl
 766  *
 767  * Returns:
 768  *  DDENUMRET_OK;
 769  *******************************************************************************/
 770 static HRESULT WINAPI
 771 DestroyCallback(IDirectDrawSurface7 *surf,
 772                 DDSURFACEDESC2 *desc,
 773                 void *context)
 774 {
 775     IDirectDrawSurfaceImpl *Impl = ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, surf);
 776     IDirectDrawImpl *ddraw = (IDirectDrawImpl *) context;
 777     ULONG ref;
 778
 779     ref = IDirectDrawSurface7_Release(surf);  /* For the EnumSurfaces */
 780     WARN("Surface %p has an reference count of %d\n", Impl, ref);
 781
 782     /* Skip surfaces which are attached somewhere or which are
 783      * part of a complex compound. They will get released when destroying
 784      * the root
 785      */
 786     if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) )
 787         return DDENUMRET_OK;
 788     /* Skip our depth stencil surface, it will be released with the render target */
 789     if( Impl == ddraw->DepthStencilBuffer)
 790         return DDENUMRET_OK;
 791
 792     /* Destroy the surface */
 793     while(ref) ref = IDirectDrawSurface7_Release(surf);
 794
 795     return DDENUMRET_OK;
 796 }
 797
 798 /***********************************************************************
 799  * get_config_key
 800  *
 801  * Reads a config key from the registry. Taken from WineD3D
 802  *
 803  ***********************************************************************/
 804 static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size)
 805 {
 806     if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 807     if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0;
 808     return ERROR_FILE_NOT_FOUND;
 809 }
 810
 811 /***********************************************************************
 812  * DllMain (DDRAW.0)
 813  *
 814  * Could be used to register DirectDraw drivers, if we have more than
 815  * one. Also used to destroy any objects left at unload if the
 816  * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
 817  *
 818  ***********************************************************************/
 819 BOOL WINAPI
 820 DllMain(HINSTANCE hInstDLL,
 821         DWORD Reason,
 822         void *lpv)
 823 {
 824     TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
 825     if (Reason == DLL_PROCESS_ATTACH)
 826     {
 827         char buffer[MAX_PATH+10];
 828         DWORD size = sizeof(buffer);
 829         HKEY hkey = 0;
 830         HKEY appkey = 0;
 831         DWORD len;
 832
 833        /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */
 834        if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0;
 835
 836        len = GetModuleFileNameA( 0, buffer, MAX_PATH );
 837        if (len && len < MAX_PATH)
 838        {
 839             HKEY tmpkey;
 840             /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */
 841             if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
 842             {
 843                 char *p, *appname = buffer;
 844                 if ((p = strrchr( appname, '/' ))) appname = p + 1;
 845                 if ((p = strrchr( appname, '\\' ))) appname = p + 1;
 846                 strcat( appname, "\\Direct3D" );
 847                 TRACE("appname = [%s]\n", appname);
 848                 if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
 849                 RegCloseKey( tmpkey );
 850             }
 851        }
 852
 853        if ( 0 != hkey || 0 != appkey )
 854        {
 855             if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) )
 856             {
 857                 if (!strcmp(buffer,"gdi"))
 858                 {
 859                     TRACE("Defaulting to GDI surfaces\n");
 860                     DefaultSurfaceType = SURFACE_GDI;
 861                 }
 862                 else if (!strcmp(buffer,"opengl"))
 863                 {
 864                     TRACE("Defaulting to opengl surfaces\n");
 865                     DefaultSurfaceType = SURFACE_OPENGL;
 866                 }
 867                 else
 868                 {
 869                     ERR("Unknown default surface type. Supported are:\n gdi, opengl\n");
 870                 }
 871             }
 872         }
 873
 874         DisableThreadLibraryCalls(hInstDLL);
 875     }
 876     else if (Reason == DLL_PROCESS_DETACH)
 877     {
 878         if(!list_empty(&global_ddraw_list))
 879         {
 880             struct list *entry, *entry2;
 881             WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n");
 882
 883             /* We remove elemets from this loop */
 884             LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list)
 885             {
 886                 HRESULT hr;
 887                 DDSURFACEDESC2 desc;
 888                 int i;
 889                 IDirectDrawImpl *ddraw = LIST_ENTRY(entry, IDirectDrawImpl, ddraw_list_entry);
 890
 891                 WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1);
 892
 893                 /* Add references to each interface to avoid freeing them unexpectadely */
 894                 IDirectDraw_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw));
 895                 IDirectDraw2_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw2));
 896                 IDirectDraw3_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw3));
 897                 IDirectDraw4_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw4));
 898                 IDirectDraw7_AddRef(ICOM_INTERFACE(ddraw, IDirectDraw7));
 899
 900                 /* Does a D3D device exist? Destroy it
 901                     * TODO: Destroy all Vertex buffers, Lights, Materials
 902                     * and execture buffers too
 903                     */
 904                 if(ddraw->d3ddevice)
 905                 {
 906                     WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice);
 907                     while(IDirect3DDevice7_Release(ICOM_INTERFACE(ddraw->d3ddevice, IDirect3DDevice7)));
 908                 }
 909
 910                 /* Try to release the objects
 911                     * Do an EnumSurfaces to find any hanging surfaces
 912                     */
 913                 memset(&desc, 0, sizeof(desc));
 914                 desc.dwSize = sizeof(desc);
 915                 for(i = 0; i <= 1; i++)
 916                 {
 917                     hr = IDirectDraw7_EnumSurfaces(ICOM_INTERFACE(ddraw, IDirectDraw7),
 918                                                     DDENUMSURFACES_ALL,
 919                                                     &desc,
 920                                                     (void *) ddraw,
 921                                                     DestroyCallback);
 922                     if(hr != D3D_OK)
 923                         ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw);
 924                 }
 925
 926                 /* Check the surface count */
 927                 if(ddraw->surfaces > 0)
 928                     ERR("DDraw %p still has %d surfaces attached\n", ddraw, ddraw->surfaces);
 929
 930                 /* Release all hanging references to destroy the objects. This
 931                     * restores the screen mode too
 932                     */
 933                 while(IDirectDraw_Release(ICOM_INTERFACE(ddraw, IDirectDraw)));
 934                 while(IDirectDraw2_Release(ICOM_INTERFACE(ddraw, IDirectDraw2)));
 935                 while(IDirectDraw3_Release(ICOM_INTERFACE(ddraw, IDirectDraw3)));
 936                 while(IDirectDraw4_Release(ICOM_INTERFACE(ddraw, IDirectDraw4)));
 937                 while(IDirectDraw7_Release(ICOM_INTERFACE(ddraw, IDirectDraw7)));
 938             }
 939         }
 940     }
 941
 942     return TRUE;
 943 }
 944
 945 void
 946 remove_ddraw_object(IDirectDrawImpl *ddraw)
 947 {
 948     EnterCriticalSection(&ddraw_list_cs);
 949     list_remove(&ddraw->ddraw_list_entry);
 950     LeaveCriticalSection(&ddraw_list_cs);
 951 }