1 /* DirectDraw Base Functions
2 *
3 * Copyright 1997-1999 Marcus Meissner
4 * Copyright 1998 Lionel Ulmer
5 * Copyright 2000-2001 TransGaming Technologies Inc.
6 * Copyright 2006 Stefan Dösinger
7 * Copyright 2008 Denver Gingerich
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 #include "config.h"
25 #include "wine/port.h"
26
27 #define DDRAW_INIT_GUID
28 #include "ddraw_private.h"
29 #include "rpcproxy.h"
30
31 #include "wine/exception.h"
32 #include "winreg.h"
33
34 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
35
36 static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
37
38 static HINSTANCE instance;
39
40 /* value of ForceRefreshRate */
41 DWORD force_refresh_rate = 0;
42
43 /* Structure for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
44 struct callback_info
45 {
46 LPDDENUMCALLBACKA callback;
47 void *context;
48 };
49
50 /* Enumeration callback for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
enum_callback(GUID * guid,char * description,char * driver_name,void * context,HMONITOR monitor)51 static BOOL CALLBACK enum_callback(GUID *guid, char *description, char *driver_name,
52 void *context, HMONITOR monitor)
53 {
54 const struct callback_info *info = context;
55
56 return info->callback(guid, description, driver_name, info->context);
57 }
58
ddraw_enumerate_secondary_devices(struct wined3d * wined3d,LPDDENUMCALLBACKEXA callback,void * context)59 static void ddraw_enumerate_secondary_devices(struct wined3d *wined3d, LPDDENUMCALLBACKEXA callback,
60 void *context)
61 {
62 struct wined3d_adapter_identifier adapter_id;
63 struct wined3d_output_desc output_desc;
64 BOOL cont_enum = TRUE;
65 HRESULT hr = S_OK;
66 UINT adapter = 0;
67
68 for (adapter = 0; SUCCEEDED(hr) && cont_enum; adapter++)
69 {
70 char DriverName[512] = "", DriverDescription[512] = "";
71
72 /* The Battle.net System Checker expects the GetAdapterIdentifier DeviceName to match the
73 * Driver Name, so obtain the DeviceName and GUID from D3D. */
74 memset(&adapter_id, 0x0, sizeof(adapter_id));
75 adapter_id.device_name = DriverName;
76 adapter_id.device_name_size = sizeof(DriverName);
77 adapter_id.description = DriverDescription;
78 adapter_id.description_size = sizeof(DriverDescription);
79 wined3d_mutex_lock();
80 if (SUCCEEDED(hr = wined3d_get_adapter_identifier(wined3d, adapter, 0x0, &adapter_id)))
81 hr = wined3d_get_output_desc(wined3d, adapter, &output_desc);
82 wined3d_mutex_unlock();
83 if (SUCCEEDED(hr))
84 {
85 TRACE("Interface %d: %s\n", adapter, wine_dbgstr_guid(&adapter_id.device_identifier));
86 cont_enum = callback(&adapter_id.device_identifier, adapter_id.description,
87 adapter_id.device_name, context, output_desc.monitor);
88 }
89 }
90 }
91
92 /* Handle table functions */
ddraw_handle_table_init(struct ddraw_handle_table * t,UINT initial_size)93 BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size)
94 {
95 if (!(t->entries = heap_alloc_zero(initial_size * sizeof(*t->entries))))
96 {
97 ERR("Failed to allocate handle table memory.\n");
98 return FALSE;
99 }
100 t->free_entries = NULL;
101 t->table_size = initial_size;
102 t->entry_count = 0;
103
104 return TRUE;
105 }
106
ddraw_handle_table_destroy(struct ddraw_handle_table * t)107 void ddraw_handle_table_destroy(struct ddraw_handle_table *t)
108 {
109 heap_free(t->entries);
110 memset(t, 0, sizeof(*t));
111 }
112
ddraw_allocate_handle(struct ddraw_handle_table * t,void * object,enum ddraw_handle_type type)113 DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type)
114 {
115 struct ddraw_handle_entry *entry;
116
117 if (t->free_entries)
118 {
119 DWORD idx = t->free_entries - t->entries;
120 /* Use a free handle */
121 entry = t->free_entries;
122 if (entry->type != DDRAW_HANDLE_FREE)
123 {
124 ERR("Handle %#x (%p) is in the free list, but has type %#x.\n", idx, entry->object, entry->type);
125 return DDRAW_INVALID_HANDLE;
126 }
127 t->free_entries = entry->object;
128 entry->object = object;
129 entry->type = type;
130
131 return idx;
132 }
133
134 if (!(t->entry_count < t->table_size))
135 {
136 /* Grow the table */
137 UINT new_size = t->table_size + (t->table_size >> 1);
138 struct ddraw_handle_entry *new_entries;
139
140 if (!(new_entries = heap_realloc(t->entries, new_size * sizeof(*t->entries))))
141 {
142 ERR("Failed to grow the handle table.\n");
143 return DDRAW_INVALID_HANDLE;
144 }
145 t->entries = new_entries;
146 t->table_size = new_size;
147 }
148
149 entry = &t->entries[t->entry_count];
150 entry->object = object;
151 entry->type = type;
152
153 return t->entry_count++;
154 }
155
ddraw_free_handle(struct ddraw_handle_table * t,DWORD handle,enum ddraw_handle_type type)156 void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
157 {
158 struct ddraw_handle_entry *entry;
159 void *object;
160
161 if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
162 {
163 WARN("Invalid handle %#x passed.\n", handle);
164 return NULL;
165 }
166
167 entry = &t->entries[handle];
168 if (entry->type != type)
169 {
170 WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
171 return NULL;
172 }
173
174 object = entry->object;
175 entry->object = t->free_entries;
176 entry->type = DDRAW_HANDLE_FREE;
177 t->free_entries = entry;
178
179 return object;
180 }
181
ddraw_get_object(struct ddraw_handle_table * t,DWORD handle,enum ddraw_handle_type type)182 void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type)
183 {
184 struct ddraw_handle_entry *entry;
185
186 if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count)
187 {
188 WARN("Invalid handle %#x passed.\n", handle);
189 return NULL;
190 }
191
192 entry = &t->entries[handle];
193 if (entry->type != type)
194 {
195 WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type);
196 return NULL;
197 }
198
199 return entry->object;
200 }
201
GetSurfaceFromDC(HDC dc,IDirectDrawSurface4 ** surface,HDC * device_dc)202 HRESULT WINAPI GetSurfaceFromDC(HDC dc, IDirectDrawSurface4 **surface, HDC *device_dc)
203 {
204 struct ddraw *ddraw;
205
206 TRACE("dc %p, surface %p, device_dc %p.\n", dc, surface, device_dc);
207
208 if (!surface)
209 return E_INVALIDARG;
210
211 if (!device_dc)
212 {
213 *surface = NULL;
214
215 return E_INVALIDARG;
216 }
217
218 wined3d_mutex_lock();
219 LIST_FOR_EACH_ENTRY(ddraw, &global_ddraw_list, struct ddraw, ddraw_list_entry)
220 {
221 if (FAILED(IDirectDraw4_GetSurfaceFromDC(&ddraw->IDirectDraw4_iface, dc, surface)))
222 continue;
223
224 *device_dc = NULL; /* FIXME */
225 wined3d_mutex_unlock();
226 return DD_OK;
227 }
228 wined3d_mutex_unlock();
229
230 *surface = NULL;
231 *device_dc = NULL;
232
233 return DDERR_NOTFOUND;
234 }
235
236 /***********************************************************************
237 *
238 * Helper function for DirectDrawCreate and friends
239 * Creates a new DDraw interface with the given REFIID
240 *
241 * Interfaces that can be created:
242 * IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
243 * IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
244 * IDirect3D interfaces?)
245 *
246 * Arguments:
247 * guid: ID of the requested driver, NULL for the default driver.
248 * The GUID can be queried with DirectDrawEnumerate(Ex)A/W
249 * DD: Used to return the pointer to the created object
250 * UnkOuter: For aggregation, which is unsupported. Must be NULL
251 * iid: requested version ID.
252 *
253 * Returns:
254 * DD_OK if the Interface was created successfully
255 * CLASS_E_NOAGGREGATION if UnkOuter is not NULL
256 * E_OUTOFMEMORY if some allocation failed
257 *
258 ***********************************************************************/
259 static HRESULT
DDRAW_Create(const GUID * guid,void ** DD,IUnknown * UnkOuter,REFIID iid)260 DDRAW_Create(const GUID *guid,
261 void **DD,
262 IUnknown *UnkOuter,
263 REFIID iid)
264 {
265 enum wined3d_device_type device_type;
266 struct ddraw *ddraw;
267 HRESULT hr;
268 DWORD flags = 0;
269
270 TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n",
271 debugstr_guid(guid), DD, UnkOuter, debugstr_guid(iid));
272
273 *DD = NULL;
274
275 if (guid == (GUID *) DDCREATE_EMULATIONONLY)
276 {
277 /* Use the reference device id. This doesn't actually change anything,
278 * WineD3D always uses OpenGL for D3D rendering. One could make it request
279 * indirect rendering
280 */
281 device_type = WINED3D_DEVICE_TYPE_REF;
282 }
283 else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
284 {
285 device_type = WINED3D_DEVICE_TYPE_HAL;
286 }
287 else
288 {
289 device_type = 0;
290 }
291
292 /* DDraw doesn't support aggregation, according to msdn */
293 if (UnkOuter != NULL)
294 return CLASS_E_NOAGGREGATION;
295
296 if (!IsEqualGUID(iid, &IID_IDirectDraw7))
297 flags = WINED3D_LEGACY_FFP_LIGHTING;
298
299 /* DirectDraw creation comes here */
300 if (!(ddraw = heap_alloc_zero(sizeof(*ddraw))))
301 {
302 ERR("Out of memory when creating DirectDraw\n");
303 return E_OUTOFMEMORY;
304 }
305
306 hr = ddraw_init(ddraw, flags, device_type);
307 if (FAILED(hr))
308 {
309 WARN("Failed to initialize ddraw object, hr %#x.\n", hr);
310 heap_free(ddraw);
311 return hr;
312 }
313
314 hr = IDirectDraw7_QueryInterface(&ddraw->IDirectDraw7_iface, iid, DD);
315 IDirectDraw7_Release(&ddraw->IDirectDraw7_iface);
316 if (SUCCEEDED(hr))
317 list_add_head(&global_ddraw_list, &ddraw->ddraw_list_entry);
318 else
319 WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), ddraw);
320
321 return hr;
322 }
323
324 /***********************************************************************
325 * DirectDrawCreate (DDRAW.@)
326 *
327 * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
328 * interfaces in theory
329 *
330 * Arguments, return values: See DDRAW_Create
331 *
332 ***********************************************************************/
DirectDrawCreate(GUID * driver_guid,IDirectDraw ** ddraw,IUnknown * outer)333 HRESULT WINAPI DECLSPEC_HOTPATCH DirectDrawCreate(GUID *driver_guid, IDirectDraw **ddraw, IUnknown *outer)
334 {
335 HRESULT hr;
336
337 TRACE("driver_guid %s, ddraw %p, outer %p.\n",
338 debugstr_guid(driver_guid), ddraw, outer);
339
340 wined3d_mutex_lock();
341 hr = DDRAW_Create(driver_guid, (void **)ddraw, outer, &IID_IDirectDraw);
342 wined3d_mutex_unlock();
343
344 if (SUCCEEDED(hr))
345 {
346 if (FAILED(hr = IDirectDraw_Initialize(*ddraw, driver_guid)))
347 IDirectDraw_Release(*ddraw);
348 }
349
350 return hr;
351 }
352
353 /***********************************************************************
354 * DirectDrawCreateEx (DDRAW.@)
355 *
356 * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
357 * interfaces are requested.
358 *
359 * Arguments, return values: See DDRAW_Create
360 *
361 ***********************************************************************/
DirectDrawCreateEx(GUID * driver_guid,void ** ddraw,REFIID interface_iid,IUnknown * outer)362 HRESULT WINAPI DECLSPEC_HOTPATCH DirectDrawCreateEx(GUID *driver_guid,
363 void **ddraw, REFIID interface_iid, IUnknown *outer)
364 {
365 HRESULT hr;
366
367 TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer %p.\n",
368 debugstr_guid(driver_guid), ddraw, debugstr_guid(interface_iid), outer);
369
370 if (!IsEqualGUID(interface_iid, &IID_IDirectDraw7))
371 return DDERR_INVALIDPARAMS;
372
373 wined3d_mutex_lock();
374 hr = DDRAW_Create(driver_guid, ddraw, outer, interface_iid);
375 wined3d_mutex_unlock();
376
377 if (SUCCEEDED(hr))
378 {
379 IDirectDraw7 *ddraw7 = *(IDirectDraw7 **)ddraw;
380 hr = IDirectDraw7_Initialize(ddraw7, driver_guid);
381 if (FAILED(hr))
382 IDirectDraw7_Release(ddraw7);
383 }
384
385 return hr;
386 }
387
388 /***********************************************************************
389 * DirectDrawEnumerateA (DDRAW.@)
390 *
391 * Enumerates legacy ddraw drivers, ascii version. We only have one
392 * driver, which relays to WineD3D. If we were sufficiently cool,
393 * we could offer various interfaces, which use a different default surface
394 * implementation, but I think it's better to offer this choice in
395 * winecfg, because some apps use the default driver, so we would need
396 * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
397 *
398 * Arguments:
399 * Callback: Callback function from the app
400 * Context: Argument to the call back.
401 *
402 * Returns:
403 * DD_OK on success
404 * E_INVALIDARG if the Callback caused a page fault
405 *
406 *
407 ***********************************************************************/
DirectDrawEnumerateA(LPDDENUMCALLBACKA callback,void * context)408 HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACKA callback, void *context)
409 {
410 struct callback_info info;
411
412 TRACE("callback %p, context %p.\n", callback, context);
413
414 info.callback = callback;
415 info.context = context;
416 return DirectDrawEnumerateExA(enum_callback, &info, 0x0);
417 }
418
419 /***********************************************************************
420 * DirectDrawEnumerateExA (DDRAW.@)
421 *
422 * Enumerates DirectDraw7 drivers, ascii version. See
423 * the comments above DirectDrawEnumerateA for more details.
424 *
425 * The Flag member is not supported right now.
426 *
427 ***********************************************************************/
DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback,void * context,DWORD flags)428 HRESULT WINAPI DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback, void *context, DWORD flags)
429 {
430 struct wined3d *wined3d;
431
432 TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
433
434 if (flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES |
435 DDENUM_DETACHEDSECONDARYDEVICES |
436 DDENUM_NONDISPLAYDEVICES))
437 return DDERR_INVALIDPARAMS;
438
439 if (flags & ~DDENUM_ATTACHEDSECONDARYDEVICES)
440 FIXME("flags 0x%08x not handled\n", flags & ~DDENUM_ATTACHEDSECONDARYDEVICES);
441
442 TRACE("Enumerating ddraw interfaces\n");
443 if (!(wined3d = wined3d_create(DDRAW_WINED3D_FLAGS)))
444 {
445 if (!(wined3d = wined3d_create(DDRAW_WINED3D_FLAGS | WINED3D_NO3D)))
446 {
447 WARN("Failed to create a wined3d object.\n");
448 return E_FAIL;
449 }
450
451 WARN("Created a wined3d object without 3D support.\n");
452 }
453
454 __TRY
455 {
456 /* QuickTime expects the description "DirectDraw HAL" */
457 static CHAR driver_desc[] = "DirectDraw HAL",
458 driver_name[] = "display";
459 BOOL cont_enum;
460
461 TRACE("Default interface: DirectDraw HAL\n");
462 cont_enum = callback(NULL, driver_desc, driver_name, context, 0);
463
464 /* The Battle.net System Checker expects both a NULL device and a GUID-based device */
465 if (cont_enum && (flags & DDENUM_ATTACHEDSECONDARYDEVICES))
466 ddraw_enumerate_secondary_devices(wined3d, callback, context);
467 }
468 __EXCEPT_PAGE_FAULT
469 {
470 wined3d_decref(wined3d);
471 return DDERR_INVALIDPARAMS;
472 }
473 __ENDTRY;
474
475 wined3d_decref(wined3d);
476 TRACE("End of enumeration\n");
477 return DD_OK;
478 }
479
480 /***********************************************************************
481 * DirectDrawEnumerateW (DDRAW.@)
482 *
483 * Enumerates legacy drivers, unicode version.
484 * This function is not implemented on Windows.
485 *
486 ***********************************************************************/
DirectDrawEnumerateW(LPDDENUMCALLBACKW callback,void * context)487 HRESULT WINAPI DirectDrawEnumerateW(LPDDENUMCALLBACKW callback, void *context)
488 {
489 TRACE("callback %p, context %p.\n", callback, context);
490
491 if (!callback)
492 return DDERR_INVALIDPARAMS;
493 else
494 return DDERR_UNSUPPORTED;
495 }
496
497 /***********************************************************************
498 * DirectDrawEnumerateExW (DDRAW.@)
499 *
500 * Enumerates DirectDraw7 drivers, unicode version.
501 * This function is not implemented on Windows.
502 *
503 ***********************************************************************/
DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback,void * context,DWORD flags)504 HRESULT WINAPI DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback, void *context, DWORD flags)
505 {
506 TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags);
507
508 return DDERR_UNSUPPORTED;
509 }
510
511 /***********************************************************************
512 * Classfactory implementation.
513 ***********************************************************************/
514
515 /***********************************************************************
516 * CF_CreateDirectDraw
517 *
518 * DDraw creation function for the class factory
519 *
520 * Params:
521 * UnkOuter: Set to NULL
522 * iid: ID of the wanted interface
523 * obj: Address to pass the interface pointer back
524 *
525 * Returns
526 * DD_OK / DDERR*, see DDRAW_Create
527 *
528 ***********************************************************************/
529 static HRESULT
CF_CreateDirectDraw(IUnknown * UnkOuter,REFIID iid,void ** obj)530 CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid,
531 void **obj)
532 {
533 HRESULT hr;
534
535 TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(iid), obj);
536
537 wined3d_mutex_lock();
538 hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
539 wined3d_mutex_unlock();
540
541 return hr;
542 }
543
544 /***********************************************************************
545 * CF_CreateDirectDraw
546 *
547 * Clipper creation function for the class factory
548 *
549 * Params:
550 * UnkOuter: Set to NULL
551 * iid: ID of the wanted interface
552 * obj: Address to pass the interface pointer back
553 *
554 * Returns
555 * DD_OK / DDERR*, see DDRAW_Create
556 *
557 ***********************************************************************/
558 static HRESULT
CF_CreateDirectDrawClipper(IUnknown * UnkOuter,REFIID riid,void ** obj)559 CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid,
560 void **obj)
561 {
562 HRESULT hr;
563 IDirectDrawClipper *Clip;
564
565 TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(riid), obj);
566
567 wined3d_mutex_lock();
568 hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
569 if (hr != DD_OK)
570 {
571 wined3d_mutex_unlock();
572 return hr;
573 }
574
575 hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
576 IDirectDrawClipper_Release(Clip);
577
578 wined3d_mutex_unlock();
579
580 return hr;
581 }
582
583 static const struct object_creation_info object_creation[] =
584 {
585 { &CLSID_DirectDraw, CF_CreateDirectDraw },
586 { &CLSID_DirectDraw7, CF_CreateDirectDraw },
587 { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
588 };
589
590 struct ddraw_class_factory
591 {
592 IClassFactory IClassFactory_iface;
593
594 LONG ref;
595 HRESULT (*pfnCreateInstance)(IUnknown *outer, REFIID iid, void **out);
596 };
597
impl_from_IClassFactory(IClassFactory * iface)598 static inline struct ddraw_class_factory *impl_from_IClassFactory(IClassFactory *iface)
599 {
600 return CONTAINING_RECORD(iface, struct ddraw_class_factory, IClassFactory_iface);
601 }
602
603 /*******************************************************************************
604 * IDirectDrawClassFactory::QueryInterface
605 *
606 * QueryInterface for the class factory
607 *
608 * PARAMS
609 * riid Reference to identifier of queried interface
610 * ppv Address to return the interface pointer at
611 *
612 * RETURNS
613 * Success: S_OK
614 * Failure: E_NOINTERFACE
615 *
616 *******************************************************************************/
ddraw_class_factory_QueryInterface(IClassFactory * iface,REFIID riid,void ** out)617 static HRESULT WINAPI ddraw_class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **out)
618 {
619 TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
620
621 if (IsEqualGUID(riid, &IID_IUnknown)
622 || IsEqualGUID(riid, &IID_IClassFactory))
623 {
624 IClassFactory_AddRef(iface);
625 *out = iface;
626 return S_OK;
627 }
628
629 WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
630
631 return E_NOINTERFACE;
632 }
633
634 /*******************************************************************************
635 * IDirectDrawClassFactory::AddRef
636 *
637 * AddRef for the class factory
638 *
639 * RETURNS
640 * The new refcount
641 *
642 *******************************************************************************/
ddraw_class_factory_AddRef(IClassFactory * iface)643 static ULONG WINAPI ddraw_class_factory_AddRef(IClassFactory *iface)
644 {
645 struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
646 ULONG ref = InterlockedIncrement(&factory->ref);
647
648 TRACE("%p increasing refcount to %u.\n", factory, ref);
649
650 return ref;
651 }
652
653 /*******************************************************************************
654 * IDirectDrawClassFactory::Release
655 *
656 * Release for the class factory. If the refcount falls to 0, the object
657 * is destroyed
658 *
659 * RETURNS
660 * The new refcount
661 *
662 *******************************************************************************/
ddraw_class_factory_Release(IClassFactory * iface)663 static ULONG WINAPI ddraw_class_factory_Release(IClassFactory *iface)
664 {
665 struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
666 ULONG ref = InterlockedDecrement(&factory->ref);
667
668 TRACE("%p decreasing refcount to %u.\n", factory, ref);
669
670 if (!ref)
671 heap_free(factory);
672
673 return ref;
674 }
675
676
677 /*******************************************************************************
678 * IDirectDrawClassFactory::CreateInstance
679 *
680 * What is this? Seems to create DirectDraw objects...
681 *
682 * Params
683 * The usual things???
684 *
685 * RETURNS
686 * ???
687 *
688 *******************************************************************************/
ddraw_class_factory_CreateInstance(IClassFactory * iface,IUnknown * outer_unknown,REFIID riid,void ** out)689 static HRESULT WINAPI ddraw_class_factory_CreateInstance(IClassFactory *iface,
690 IUnknown *outer_unknown, REFIID riid, void **out)
691 {
692 struct ddraw_class_factory *factory = impl_from_IClassFactory(iface);
693
694 TRACE("iface %p, outer_unknown %p, riid %s, out %p.\n",
695 iface, outer_unknown, debugstr_guid(riid), out);
696
697 return factory->pfnCreateInstance(outer_unknown, riid, out);
698 }
699
700 /*******************************************************************************
701 * IDirectDrawClassFactory::LockServer
702 *
703 * What is this?
704 *
705 * Params
706 * ???
707 *
708 * RETURNS
709 * S_OK, because it's a stub
710 *
711 *******************************************************************************/
ddraw_class_factory_LockServer(IClassFactory * iface,BOOL dolock)712 static HRESULT WINAPI ddraw_class_factory_LockServer(IClassFactory *iface, BOOL dolock)
713 {
714 FIXME("iface %p, dolock %#x stub!\n", iface, dolock);
715
716 return S_OK;
717 }
718
719 /*******************************************************************************
720 * The class factory VTable
721 *******************************************************************************/
722 static const IClassFactoryVtbl IClassFactory_Vtbl =
723 {
724 ddraw_class_factory_QueryInterface,
725 ddraw_class_factory_AddRef,
726 ddraw_class_factory_Release,
727 ddraw_class_factory_CreateInstance,
728 ddraw_class_factory_LockServer
729 };
730
DllGetClassObject(REFCLSID rclsid,REFIID riid,void ** out)731 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **out)
732 {
733 struct ddraw_class_factory *factory;
734 unsigned int i;
735
736 TRACE("rclsid %s, riid %s, out %p.\n",
737 debugstr_guid(rclsid), debugstr_guid(riid), out);
738
739 if (!IsEqualGUID(&IID_IClassFactory, riid)
740 && !IsEqualGUID(&IID_IUnknown, riid))
741 return E_NOINTERFACE;
742
743 for (i=0; i < ARRAY_SIZE(object_creation); i++)
744 {
745 if (IsEqualGUID(object_creation[i].clsid, rclsid))
746 break;
747 }
748
749 if (i == ARRAY_SIZE(object_creation))
750 {
751 FIXME("%s: no class found.\n", debugstr_guid(rclsid));
752 return CLASS_E_CLASSNOTAVAILABLE;
753 }
754
755 if (!(factory = heap_alloc_zero(sizeof(*factory))))
756 return E_OUTOFMEMORY;
757
758 factory->IClassFactory_iface.lpVtbl = &IClassFactory_Vtbl;
759 factory->ref = 1;
760
761 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
762
763 *out = factory;
764 return S_OK;
765 }
766
767
768 /*******************************************************************************
769 * DllCanUnloadNow [DDRAW.@] Determines whether the DLL is in use.
770 *
771 * RETURNS
772 * Success: S_OK
773 * Failure: S_FALSE
774 */
DllCanUnloadNow(void)775 HRESULT WINAPI DllCanUnloadNow(void)
776 {
777 TRACE("\n");
778
779 return S_FALSE;
780 }
781
782
DllRegisterServer(void)783 HRESULT WINAPI DllRegisterServer(void)
784 {
785 return __wine_register_resources( instance );
786 }
787
DllUnregisterServer(void)788 HRESULT WINAPI DllUnregisterServer(void)
789 {
790 return __wine_unregister_resources( instance );
791 }
792
793 /***********************************************************************
794 * DllMain (DDRAW.0)
795 *
796 * Could be used to register DirectDraw drivers, if we have more than
797 * one. Also used to destroy any objects left at unload if the
798 * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
799 *
800 ***********************************************************************/
DllMain(HINSTANCE inst,DWORD reason,void * reserved)801 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, void *reserved)
802 {
803 switch (reason)
804 {
805 case DLL_PROCESS_ATTACH:
806 {
807 static HMODULE ddraw_self;
808 HKEY hkey = 0;
809 WNDCLASSA wc;
810
811 /* Register the window class. This is used to create a hidden window
812 * for D3D rendering, if the application didn't pass one. It can also
813 * be used for creating a device window from SetCooperativeLevel(). */
814 wc.style = CS_HREDRAW | CS_VREDRAW;
815 wc.lpfnWndProc = DefWindowProcA;
816 wc.cbClsExtra = 0;
817 wc.cbWndExtra = 0;
818 wc.hInstance = inst;
819 wc.hIcon = 0;
820 wc.hCursor = 0;
821 wc.hbrBackground = GetStockObject(BLACK_BRUSH);
822 wc.lpszMenuName = NULL;
823 wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME;
824 if (!RegisterClassA(&wc))
825 {
826 ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError());
827 return FALSE;
828 }
829
830 /* On Windows one can force the refresh rate that DirectDraw uses by
831 * setting an override value in dxdiag. This is documented in KB315614
832 * (main article), KB230002, and KB217348. By comparing registry dumps
833 * before and after setting the override, we see that the override value
834 * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
835 * DWORD that represents the refresh rate to force. We use this
836 * registry entry to modify the behavior of SetDisplayMode so that Wine
837 * users can override the refresh rate in a Windows-compatible way.
838 *
839 * dxdiag will not accept a refresh rate lower than 40 or higher than
840 * 120 so this value should be within that range. It is, of course,
841 * possible for a user to set the registry entry value directly so that
842 * assumption might not hold.
843 *
844 * There is no current mechanism for setting this value through the Wine
845 * GUI. It would be most appropriate to set this value through a dxdiag
846 * clone, but it may be sufficient to use winecfg.
847 *
848 * TODO: Create a mechanism for setting this value through the Wine GUI.
849 */
850 if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) )
851 {
852 DWORD type, data, size;
853
854 size = sizeof(data);
855 if (!RegQueryValueExA(hkey, "ForceRefreshRate", NULL, &type, (BYTE *)&data, &size) && type == REG_DWORD)
856 {
857 TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data);
858 force_refresh_rate = data;
859 }
860 RegCloseKey( hkey );
861 }
862
863 /* Prevent the ddraw module from being unloaded. When switching to
864 * exclusive mode, we replace the window proc of the ddraw window. If
865 * an application would unload ddraw from the WM_DESTROY handler for
866 * that window, it would return to unmapped memory and die. Apparently
867 * this is supposed to work on Windows. */
868
869 /* ReactOS r61844: Comment out usage of GET_MODULE_HANDLE_EX_FLAG_PIN because it doesn't work */
870 if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS /*| GET_MODULE_HANDLE_EX_FLAG_PIN*/,
871 (const WCHAR *)&ddraw_self, &ddraw_self))
872 ERR("Failed to get own module handle.\n");
873
874 instance = inst;
875 DisableThreadLibraryCalls(inst);
876 break;
877 }
878
879 case DLL_PROCESS_DETACH:
880 if (WARN_ON(ddraw))
881 {
882 struct ddraw *ddraw;
883
884 LIST_FOR_EACH_ENTRY(ddraw, &global_ddraw_list, struct ddraw, ddraw_list_entry)
885 {
886 struct ddraw_surface *surface;
887
888 WARN("DirectDraw object %p has reference counts {%u, %u, %u, %u, %u}.\n",
889 ddraw, ddraw->ref7, ddraw->ref4, ddraw->ref3, ddraw->ref2, ddraw->ref1);
890
891 if (ddraw->d3ddevice)
892 WARN("DirectDraw object %p has Direct3D device %p attached.\n", ddraw, ddraw->d3ddevice);
893
894 LIST_FOR_EACH_ENTRY(surface, &ddraw->surface_list, struct ddraw_surface, surface_list_entry)
895 {
896 WARN("Surface %p has reference counts {%u, %u, %u, %u, %u, %u}.\n",
897 surface, surface->ref7, surface->ref4, surface->ref3,
898 surface->ref2, surface->ref1, surface->gamma_count);
899 }
900 }
901 }
902
903 if (reserved) break;
904 UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, inst);
905 }
906
907 return TRUE;
908 }
909