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   1 /*              DirectDraw Base Functions
   2  *
   3  * Copyright 1997-1999 Marcus Meissner
   4  * Copyright 1998 Lionel Ulmer (most of Direct3D stuff)
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  *
   7  * This file contains the (internal) driver registration functions,
   8  * driver enumeration APIs and DirectDraw creation functions.
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include "config.h"
  26
  27 #include <assert.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30
  31 #include "winnls.h"
  32 #include "winerror.h"
  33
  34 #include "ddraw.h"
  35 #include "d3d.h"
  36
  37 /* This for all the enumeration and creation of D3D-related objects */
  38 #include "ddraw_private.h"
  39 #include "wine/debug.h"
  40
  41 #define MAX_DDRAW_DRIVERS 3
  42 static const ddraw_driver* DDRAW_drivers[MAX_DDRAW_DRIVERS];
  43 static int DDRAW_num_drivers; /* = 0 */
  44 static int DDRAW_default_driver;
  45
  46 void (*wine_tsx11_lock_ptr)(void) = NULL;
  47 void (*wine_tsx11_unlock_ptr)(void) = NULL;
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  50
  51 /**********************************************************************/
  52
  53 typedef struct {
  54     LPVOID lpCallback;
  55     LPVOID lpContext;
  56 } DirectDrawEnumerateProcData;
  57
  58 /***********************************************************************
  59  *              DirectDrawEnumerateExA (DDRAW.@)
  60  */
  61 HRESULT WINAPI DirectDrawEnumerateExA(
  62     LPDDENUMCALLBACKEXA lpCallback, LPVOID lpContext, DWORD dwFlags)
  63 {
  64     int i;
  65     TRACE("(%p,%p, %08lx)\n", lpCallback, lpContext, dwFlags);
  66
  67     if (TRACE_ON(ddraw)) {
  68         DPRINTF("  Flags : ");
  69         if (dwFlags & DDENUM_ATTACHEDSECONDARYDEVICES)
  70             DPRINTF("DDENUM_ATTACHEDSECONDARYDEVICES ");
  71         if (dwFlags & DDENUM_DETACHEDSECONDARYDEVICES)
  72             DPRINTF("DDENUM_DETACHEDSECONDARYDEVICES ");
  73         if (dwFlags & DDENUM_NONDISPLAYDEVICES)
  74             DPRINTF("DDENUM_NONDISPLAYDEVICES ");
  75         DPRINTF("\n");
  76     }
  77
  78     for (i=0; i<DDRAW_num_drivers; i++)
  79     {
  80         TRACE("Enumerating %s/%s interface\n",
  81               DDRAW_drivers[i]->info->szDriver,
  82               DDRAW_drivers[i]->info->szDescription);
  83
  84         /* We have to pass NULL from the primary display device.
  85          * RoadRage chapter 6's enumeration routine expects it. */
  86         if (!lpCallback((DDRAW_default_driver == i) ? NULL
  87                         :(LPGUID)&DDRAW_drivers[i]->info->guidDeviceIdentifier,
  88                         (LPSTR)DDRAW_drivers[i]->info->szDescription,
  89                         (LPSTR)DDRAW_drivers[i]->info->szDriver,
  90                         lpContext, 0))
  91             return DD_OK;
  92     }
  93
  94     /* Unsupported flags */
  95     if (dwFlags & DDENUM_NONDISPLAYDEVICES) {
  96         FIXME("no non-display devices supported.\n");
  97     }
  98     if (dwFlags & DDENUM_DETACHEDSECONDARYDEVICES) {
  99         FIXME("no detached secondary devices supported.\n");
 100     }
 101
 102     return DD_OK;
 103 }
 104
 105 /***********************************************************************
 106  *              DirectDrawEnumerateExW (DDRAW.@)
 107  */
 108
 109 static BOOL CALLBACK DirectDrawEnumerateExProcW(
 110     GUID *lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName,
 111     LPVOID lpContext, HMONITOR hm)
 112 {
 113     INT len;
 114     BOOL bResult;
 115     LPWSTR lpDriverDescriptionW, lpDriverNameW;
 116     DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
 117
 118     len = MultiByteToWideChar( CP_ACP, 0, lpDriverDescription, -1, NULL, 0 );
 119     lpDriverDescriptionW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 120     MultiByteToWideChar( CP_ACP, 0, lpDriverDescription, -1, lpDriverDescriptionW, len );
 121
 122     len = MultiByteToWideChar( CP_ACP, 0, lpDriverName, -1, NULL, 0 );
 123     lpDriverNameW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
 124     MultiByteToWideChar( CP_ACP, 0, lpDriverName, -1, lpDriverNameW, len );
 125
 126     bResult = (*(LPDDENUMCALLBACKEXW *) pEPD->lpCallback)(lpGUID, lpDriverDescriptionW,
 127                                                           lpDriverNameW, pEPD->lpContext, hm);
 128
 129     HeapFree(GetProcessHeap(), 0, lpDriverDescriptionW);
 130     HeapFree(GetProcessHeap(), 0, lpDriverNameW);
 131     return bResult;
 132 }
 133
 134 HRESULT WINAPI DirectDrawEnumerateExW(
 135   LPDDENUMCALLBACKEXW lpCallback, LPVOID lpContext, DWORD dwFlags)
 136 {
 137     DirectDrawEnumerateProcData epd;
 138     epd.lpCallback = (LPVOID) lpCallback;
 139     epd.lpContext = lpContext;
 140
 141     return DirectDrawEnumerateExA(DirectDrawEnumerateExProcW, (LPVOID) &epd, 0);
 142 }
 143
 144 /***********************************************************************
 145  *              DirectDrawEnumerateA (DDRAW.@)
 146  */
 147
 148 static BOOL CALLBACK DirectDrawEnumerateProcA(
 149         GUID *lpGUID, LPSTR lpDriverDescription, LPSTR lpDriverName,
 150         LPVOID lpContext, HMONITOR hm)
 151 {
 152     DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
 153
 154     return ((LPDDENUMCALLBACKA) pEPD->lpCallback)(
 155         lpGUID, lpDriverDescription, lpDriverName, pEPD->lpContext);
 156 }
 157
 158 HRESULT WINAPI DirectDrawEnumerateA(
 159   LPDDENUMCALLBACKA lpCallback, LPVOID lpContext)
 160 {
 161     DirectDrawEnumerateProcData epd;
 162     epd.lpCallback = (LPVOID) lpCallback;
 163     epd.lpContext = lpContext;
 164
 165     return DirectDrawEnumerateExA(DirectDrawEnumerateProcA, (LPVOID) &epd, 0);
 166 }
 167
 168 /***********************************************************************
 169  *              DirectDrawEnumerateW (DDRAW.@)
 170  */
 171
 172 static BOOL WINAPI DirectDrawEnumerateProcW(
 173   GUID *lpGUID, LPWSTR lpDriverDescription, LPWSTR lpDriverName,
 174   LPVOID lpContext, HMONITOR hm)
 175 {
 176     DirectDrawEnumerateProcData *pEPD = (DirectDrawEnumerateProcData*)lpContext;
 177
 178     return ((LPDDENUMCALLBACKW) pEPD->lpCallback)(
 179         lpGUID, lpDriverDescription, lpDriverName, pEPD->lpContext);
 180 }
 181
 182 HRESULT WINAPI DirectDrawEnumerateW(
 183   LPDDENUMCALLBACKW lpCallback, LPVOID lpContext)
 184 {
 185     DirectDrawEnumerateProcData epd;
 186     epd.lpCallback = (LPVOID) lpCallback;
 187     epd.lpContext = lpContext;
 188
 189     return DirectDrawEnumerateExW(DirectDrawEnumerateProcW, (LPVOID) &epd, 0);
 190 }
 191
 192 /***********************************************************************
 193  *              DirectDrawCreate (DDRAW.@)
 194  */
 195
 196 const ddraw_driver* DDRAW_FindDriver(const GUID* pGUID)
 197 {
 198     static const GUID zeroGUID; /* gets zero-inited */
 199
 200     TRACE("(%s)\n", pGUID ? debugstr_guid(pGUID) : "(null)");
 201
 202     if (DDRAW_num_drivers == 0) return NULL;
 203
 204     if (pGUID == (LPGUID)DDCREATE_EMULATIONONLY
 205         || pGUID == (LPGUID)DDCREATE_HARDWAREONLY)
 206         pGUID = NULL;
 207
 208     if (pGUID == NULL || memcmp(pGUID, &zeroGUID, sizeof(GUID)) == 0)
 209     {
 210         /* Use the default driver. */
 211         return DDRAW_drivers[DDRAW_default_driver];
 212     }
 213     else
 214     {
 215         /* Look for a matching GUID. */
 216
 217         int i;
 218         for (i=0; i < DDRAW_num_drivers; i++)
 219         {
 220             if (IsEqualGUID(pGUID,
 221                             &DDRAW_drivers[i]->info->guidDeviceIdentifier))
 222                 break;
 223         }
 224
 225         if (i < DDRAW_num_drivers)
 226         {
 227             return DDRAW_drivers[i];
 228         }
 229         else
 230         {
 231             ERR("(%s): did not recognize requested GUID.\n",debugstr_guid(pGUID));
 232             return NULL;
 233         }
 234     }
 235 }
 236
 237 static HRESULT DDRAW_Create(
 238         LPGUID lpGUID, LPVOID *lplpDD, LPUNKNOWN pUnkOuter, REFIID iid, BOOL ex
 239 ) {
 240     const ddraw_driver* driver;
 241     LPDIRECTDRAW7 pDD;
 242     HRESULT hr;
 243
 244     TRACE("(%s,%p,%p,%d)\n", debugstr_guid(lpGUID), lplpDD, pUnkOuter, ex);
 245
 246     if (DDRAW_num_drivers == 0)
 247     {
 248         WARN("no DirectDraw drivers registered\n");
 249         return DDERR_INVALIDDIRECTDRAWGUID;
 250     }
 251
 252     if (lpGUID == (LPGUID)DDCREATE_EMULATIONONLY
 253         || lpGUID == (LPGUID)DDCREATE_HARDWAREONLY)
 254         lpGUID = NULL;
 255
 256     if (pUnkOuter != NULL)
 257         return DDERR_INVALIDPARAMS; /* CLASS_E_NOAGGREGATION? */
 258
 259     driver = DDRAW_FindDriver(lpGUID);
 260     if (driver == NULL) return DDERR_INVALIDDIRECTDRAWGUID;
 261
 262     hr = driver->create(lpGUID, &pDD, pUnkOuter, ex);
 263     if (FAILED(hr)) return hr;
 264
 265     hr = IDirectDraw7_QueryInterface(pDD, iid, lplpDD);
 266     IDirectDraw7_Release(pDD);
 267     return hr;
 268 }
 269
 270 /***********************************************************************
 271  *              DirectDrawCreate (DDRAW.@)
 272  *
 273  * Only creates legacy IDirectDraw interfaces.
 274  * Cannot create IDirectDraw7 interfaces.
 275  * In theory.
 276  */
 277 HRESULT WINAPI DirectDrawCreate(
 278         LPGUID lpGUID, LPDIRECTDRAW* lplpDD, LPUNKNOWN pUnkOuter
 279 ) {
 280     TRACE("(%s,%p,%p)\n", debugstr_guid(lpGUID), lplpDD, pUnkOuter);
 281     return DDRAW_Create(lpGUID, (LPVOID*) lplpDD, pUnkOuter, &IID_IDirectDraw, FALSE);
 282 }
 283
 284 /***********************************************************************
 285  *              DirectDrawCreateEx (DDRAW.@)
 286  *
 287  * Only creates new IDirectDraw7 interfaces.
 288  * Supposed to fail if legacy interfaces are requested.
 289  * In theory.
 290  */
 291 HRESULT WINAPI DirectDrawCreateEx(
 292         LPGUID lpGUID, LPVOID* lplpDD, REFIID iid, LPUNKNOWN pUnkOuter
 293 ) {
 294     TRACE("(%s,%p,%s,%p)\n", debugstr_guid(lpGUID), lplpDD, debugstr_guid(iid), pUnkOuter);
 295
 296     if (!IsEqualGUID(iid, &IID_IDirectDraw7))
 297         return DDERR_INVALIDPARAMS;
 298
 299     return DDRAW_Create(lpGUID, lplpDD, pUnkOuter, iid, TRUE);
 300 }
 301
 302 extern HRESULT Uninit_DirectDraw_Create(const GUID*, LPDIRECTDRAW7*,
 303                                         LPUNKNOWN, BOOL);
 304
 305 /* This is for the class factory. */
 306 static HRESULT DDRAW_CreateDirectDraw(IUnknown* pUnkOuter, REFIID iid,
 307                                       LPVOID* ppObj)
 308 {
 309     LPDIRECTDRAW7 pDD;
 310     HRESULT hr;
 311     BOOL ex;
 312
 313     TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppObj);
 314
 315     /* This is a mighty hack :-) */
 316     if (IsEqualGUID(iid, &IID_IDirectDraw7))
 317         ex = TRUE;
 318     else
 319         ex = FALSE;
 320
 321     hr = Uninit_DirectDraw_Create(NULL, &pDD, pUnkOuter, ex);
 322     if (FAILED(hr)) return hr;
 323
 324     hr = IDirectDraw7_QueryInterface(pDD, iid, ppObj);
 325     IDirectDraw_Release(pDD);
 326     return hr;
 327 }
 328
 329 /******************************************************************************
 330  * DirectDraw ClassFactory
 331  */
 332 typedef struct {
 333     ICOM_VFIELD_MULTI(IClassFactory);
 334
 335     DWORD ref;
 336     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid,
 337                                  LPVOID *ppObj);
 338 } IClassFactoryImpl;
 339
 340 struct object_creation_info
 341 {
 342     const CLSID *clsid;
 343     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID riid,
 344                                  LPVOID *ppObj);
 345 };
 346
 347 /* There should be more, but these are the only ones listed in the header
 348  * file. */
 349 extern HRESULT DDRAW_CreateDirectDrawClipper(IUnknown *pUnkOuter, REFIID riid,
 350                                              LPVOID *ppObj);
 351
 352 static const struct object_creation_info object_creation[] =
 353 {
 354     { &CLSID_DirectDraw,        DDRAW_CreateDirectDraw },
 355     { &CLSID_DirectDraw7,       DDRAW_CreateDirectDraw },
 356     { &CLSID_DirectDrawClipper, DDRAW_CreateDirectDrawClipper }
 357 };
 358
 359 static HRESULT WINAPI
 360 DDCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
 361 {
 362     ICOM_THIS(IClassFactoryImpl,iface);
 363
 364     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppobj);
 365
 366     if (IsEqualGUID(riid, &IID_IUnknown)
 367         || IsEqualGUID(riid, &IID_IClassFactory))
 368     {
 369         IClassFactory_AddRef(iface);
 370         *ppobj = This;
 371         return S_OK;
 372     }
 373
 374     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
 375     return E_NOINTERFACE;
 376 }
 377
 378 static ULONG WINAPI DDCF_AddRef(LPCLASSFACTORY iface) {
 379     ICOM_THIS(IClassFactoryImpl,iface);
 380
 381     TRACE("(%p)->() incrementing from %ld.\n", This, This->ref);
 382
 383     return ++(This->ref);
 384 }
 385
 386 static ULONG WINAPI DDCF_Release(LPCLASSFACTORY iface) {
 387     ICOM_THIS(IClassFactoryImpl,iface);
 388
 389     TRACE("(%p)->() decrementing from %ld.\n", This, This->ref);
 390
 391     if (--This->ref == 0)
 392         HeapFree(GetProcessHeap(), 0, This);
 393
 394     return This->ref;
 395 }
 396
 397
 398 static HRESULT WINAPI DDCF_CreateInstance(
 399         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 400 ) {
 401     ICOM_THIS(IClassFactoryImpl,iface);
 402
 403     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 404
 405     return This->pfnCreateInstance(pOuter, riid, ppobj);
 406 }
 407
 408 static HRESULT WINAPI DDCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 409     ICOM_THIS(IClassFactoryImpl,iface);
 410     FIXME("(%p)->(%d),stub!\n",This,dolock);
 411     return S_OK;
 412 }
 413
 414 static ICOM_VTABLE(IClassFactory) DDCF_Vtbl =
 415 {
 416     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 417     DDCF_QueryInterface,
 418     DDCF_AddRef,
 419     DDCF_Release,
 420     DDCF_CreateInstance,
 421     DDCF_LockServer
 422 };
 423
 424 /*******************************************************************************
 425  * DllGetClassObject [DDRAW.@]
 426  * Retrieves class object from a DLL object
 427  *
 428  * NOTES
 429  *    Docs say returns STDAPI
 430  *
 431  * PARAMS
 432  *    rclsid [I] CLSID for the class object
 433  *    riid   [I] Reference to identifier of interface for class object
 434  *    ppv    [O] Address of variable to receive interface pointer for riid
 435  *
 436  * RETURNS
 437  *    Success: S_OK
 438  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 439  *             E_UNEXPECTED
 440  */
 441 DWORD WINAPI DDRAW_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
 442 {
 443     unsigned int i;
 444     IClassFactoryImpl *factory;
 445
 446     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 447
 448     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 449          && ! IsEqualGUID( &IID_IUnknown, riid) )
 450         return E_NOINTERFACE;
 451
 452     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 453     {
 454         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 455             break;
 456     }
 457
 458     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 459     {
 460         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 461         return CLASS_E_CLASSNOTAVAILABLE;
 462     }
 463
 464     factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
 465     if (factory == NULL) return E_OUTOFMEMORY;
 466
 467     ICOM_INIT_INTERFACE(factory, IClassFactory, DDCF_Vtbl);
 468     factory->ref = 1;
 469
 470     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 471
 472     *ppv = ICOM_INTERFACE(factory, IClassFactory);
 473     return S_OK;
 474 }
 475
 476
 477 /*******************************************************************************
 478  * DllCanUnloadNow [DDRAW.@]  Determines whether the DLL is in use.
 479  *
 480  * RETURNS
 481  *    Success: S_OK
 482  *    Failure: S_FALSE
 483  */
 484 DWORD WINAPI DDRAW_DllCanUnloadNow(void) {
 485     FIXME("(void): stub\n");
 486     return S_FALSE;
 487 }
 488
 489 /******************************************************************************
 490  * Initialisation
 491  */
 492
 493 /* Choose which driver is considered the primary display driver. It will
 494  * be created when we get a NULL guid for the DirectDrawCreate(Ex). */
 495 static int DDRAW_ChooseDefaultDriver(void)
 496 {
 497     int i;
 498     int best = 0;
 499     int best_score = 0;
 500
 501     assert(DDRAW_num_drivers > 0);
 502
 503     /* This algorithm is really stupid. */
 504     for (i=0; i < DDRAW_num_drivers; i++)
 505     {
 506         if (DDRAW_drivers[i]->preference > best_score)
 507         {
 508             best_score = DDRAW_drivers[i]->preference;
 509             best = i;
 510         }
 511     }
 512
 513     assert(best_score > 0);
 514
 515     return best;
 516 }
 517
 518 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 519 {
 520     /* If we were sufficiently cool, DDraw drivers would just be COM
 521      * objects, registered with a particular component category. */
 522
 523     DDRAW_HAL_Init(hInstDLL, fdwReason, lpv);
 524     DDRAW_User_Init(hInstDLL, fdwReason, lpv);
 525
 526     if (fdwReason == DLL_PROCESS_ATTACH)
 527     {
 528         HMODULE mod = GetModuleHandleA( "x11drv.dll" );
 529         if (mod)
 530         {
 531             wine_tsx11_lock_ptr   = (void *)GetProcAddress( mod, "wine_tsx11_lock" );
 532             wine_tsx11_unlock_ptr = (void *)GetProcAddress( mod, "wine_tsx11_unlock" );
 533         }
 534     }
 535
 536     if (DDRAW_num_drivers > 0)
 537         DDRAW_default_driver = DDRAW_ChooseDefaultDriver();
 538
 539     return TRUE;
 540 }
 541
 542 /* Register a direct draw driver. This should be called from your init
 543  * function. (That's why there is no locking: your init func is called from
 544  * our DllInit, which is serialised.) */
 545 void DDRAW_register_driver(const ddraw_driver *driver)
 546 {
 547     int i;
 548
 549     for (i = 0; i < DDRAW_num_drivers; i++)
 550     {
 551         if (DDRAW_drivers[i] == driver)
 552         {
 553             ERR("Driver reregistering %p\n", driver);
 554             return;
 555         }
 556     }
 557
 558     if (DDRAW_num_drivers == sizeof(DDRAW_drivers)/sizeof(DDRAW_drivers[0]))
 559     {
 560         ERR("too many DDRAW drivers\n");
 561         return;
 562     }
 563
 564     DDRAW_drivers[DDRAW_num_drivers++] = driver;
 565 }
 566
 567 /* This totally doesn't belong here. */
 568 LONG DDRAW_width_bpp_to_pitch(DWORD width, DWORD bpp)
 569 {
 570     LONG pitch;
 571
 572     assert(bpp != 0); /* keeps happening... */
 573
 574     if (bpp == 15) bpp = 16;
 575     pitch = width * (bpp / 8);
 576     return pitch + (8 - (pitch % 8)) % 8;
 577 }