1 /* DirectDraw Base Functions
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
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.
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.
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
24 #define DDRAW_INIT_GUID
25 #include "ddraw_private.h"
28 #include "wine/exception.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(ddraw
);
33 static struct list global_ddraw_list
= LIST_INIT(global_ddraw_list
);
35 static HINSTANCE instance
;
37 /* value of ForceRefreshRate */
38 DWORD force_refresh_rate
= 0;
40 /* Structure for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
43 LPDDENUMCALLBACKA callback
;
47 /* Enumeration callback for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */
48 static BOOL CALLBACK
enum_callback(GUID
*guid
, char *description
, char *driver_name
,
49 void *context
, HMONITOR monitor
)
51 const struct callback_info
*info
= context
;
53 return info
->callback(guid
, description
, driver_name
, info
->context
);
56 static void ddraw_enumerate_secondary_devices(struct wined3d
*wined3d
, LPDDENUMCALLBACKEXA callback
,
59 struct wined3d_adapter_identifier adapter_id
;
60 struct wined3d_adapter
*wined3d_adapter
;
61 struct wined3d_output_desc output_desc
;
62 struct wined3d_output
*wined3d_output
;
63 unsigned int interface_count
= 0;
64 unsigned int adapter_idx
= 0;
65 unsigned int output_idx
;
66 BOOL cont_enum
= TRUE
;
69 while (cont_enum
&& (wined3d_adapter
= wined3d_get_adapter(wined3d
, adapter_idx
)))
71 char device_name
[512] = "", description
[512] = "";
73 /* The Battle.net System Checker expects the GetAdapterIdentifier DeviceName to match the
74 * Driver Name, so obtain the DeviceName and GUID from D3D. */
75 memset(&adapter_id
, 0x0, sizeof(adapter_id
));
76 adapter_id
.description
= description
;
77 adapter_id
.description_size
= sizeof(description
);
80 if (FAILED(hr
= wined3d_adapter_get_identifier(wined3d_adapter
, 0x0, &adapter_id
)))
82 WARN("Failed to get adapter identifier, hr %#lx.\n", hr
);
83 wined3d_mutex_unlock();
86 wined3d_mutex_unlock();
88 for (output_idx
= 0; cont_enum
&& (wined3d_output
= wined3d_adapter_get_output(
89 wined3d_adapter
, output_idx
)); ++output_idx
)
92 if (FAILED(hr
= wined3d_output_get_desc(wined3d_output
, &output_desc
)))
94 WARN("Failed to get output description, hr %#lx.\n", hr
);
95 wined3d_mutex_unlock();
98 wined3d_mutex_unlock();
100 TRACE("Interface %u: %s\n", interface_count
++,
101 wine_dbgstr_guid(&adapter_id
.device_identifier
));
102 WideCharToMultiByte(CP_ACP
, 0, output_desc
.device_name
, -1, device_name
,
103 sizeof(device_name
), NULL
, NULL
);
104 cont_enum
= callback(&adapter_id
.device_identifier
, adapter_id
.description
,
105 device_name
, context
, output_desc
.monitor
);
115 /* Handle table functions */
116 BOOL
ddraw_handle_table_init(struct ddraw_handle_table
*t
, UINT initial_size
)
118 if (!(t
->entries
= heap_alloc_zero(initial_size
* sizeof(*t
->entries
))))
120 ERR("Failed to allocate handle table memory.\n");
123 t
->free_entries
= NULL
;
124 t
->table_size
= initial_size
;
130 void ddraw_handle_table_destroy(struct ddraw_handle_table
*t
)
132 heap_free(t
->entries
);
133 memset(t
, 0, sizeof(*t
));
136 DWORD
ddraw_allocate_handle(struct ddraw_handle_table
*t
, void *object
, enum ddraw_handle_type type
)
138 struct ddraw_handle_entry
*entry
;
142 DWORD idx
= t
->free_entries
- t
->entries
;
143 /* Use a free handle */
144 entry
= t
->free_entries
;
145 if (entry
->type
!= DDRAW_HANDLE_FREE
)
147 ERR("Handle %#lx (%p) is in the free list, but has type %#x.\n", idx
, entry
->object
, entry
->type
);
148 return DDRAW_INVALID_HANDLE
;
150 t
->free_entries
= entry
->object
;
151 entry
->object
= object
;
157 if (!(t
->entry_count
< t
->table_size
))
160 UINT new_size
= t
->table_size
+ (t
->table_size
>> 1);
161 struct ddraw_handle_entry
*new_entries
;
163 if (!(new_entries
= heap_realloc(t
->entries
, new_size
* sizeof(*t
->entries
))))
165 ERR("Failed to grow the handle table.\n");
166 return DDRAW_INVALID_HANDLE
;
168 t
->entries
= new_entries
;
169 t
->table_size
= new_size
;
172 entry
= &t
->entries
[t
->entry_count
];
173 entry
->object
= object
;
176 return t
->entry_count
++;
179 void *ddraw_free_handle(struct ddraw_handle_table
*t
, DWORD handle
, enum ddraw_handle_type type
)
181 struct ddraw_handle_entry
*entry
;
184 if (handle
== DDRAW_INVALID_HANDLE
|| handle
>= t
->entry_count
)
186 WARN("Invalid handle %#lx passed.\n", handle
);
190 entry
= &t
->entries
[handle
];
191 if (entry
->type
!= type
)
193 WARN("Handle %#lx (%p) is not of type %#x.\n", handle
, entry
->object
, type
);
197 object
= entry
->object
;
198 entry
->object
= t
->free_entries
;
199 entry
->type
= DDRAW_HANDLE_FREE
;
200 t
->free_entries
= entry
;
205 void *ddraw_get_object(struct ddraw_handle_table
*t
, DWORD handle
, enum ddraw_handle_type type
)
207 struct ddraw_handle_entry
*entry
;
209 if (handle
== DDRAW_INVALID_HANDLE
|| handle
>= t
->entry_count
)
211 WARN("Invalid handle %#lx passed.\n", handle
);
215 entry
= &t
->entries
[handle
];
216 if (entry
->type
!= type
)
218 WARN("Handle %#lx (%p) is not of type %#x.\n", handle
, entry
->object
, type
);
222 return entry
->object
;
225 HRESULT WINAPI
GetSurfaceFromDC(HDC dc
, IDirectDrawSurface4
**surface
, HDC
*device_dc
)
229 TRACE("dc %p, surface %p, device_dc %p.\n", dc
, surface
, device_dc
);
241 wined3d_mutex_lock();
242 LIST_FOR_EACH_ENTRY(ddraw
, &global_ddraw_list
, struct ddraw
, ddraw_list_entry
)
244 if (FAILED(IDirectDraw4_GetSurfaceFromDC(&ddraw
->IDirectDraw4_iface
, dc
, surface
)))
247 *device_dc
= NULL
; /* FIXME */
248 wined3d_mutex_unlock();
251 wined3d_mutex_unlock();
256 return DDERR_NOTFOUND
;
259 /***********************************************************************
261 * Helper function for DirectDrawCreate and friends
262 * Creates a new DDraw interface with the given REFIID
264 * Interfaces that can be created:
265 * IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7
266 * IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return
267 * IDirect3D interfaces?)
270 * guid: ID of the requested driver, NULL for the default driver.
271 * The GUID can be queried with DirectDrawEnumerate(Ex)A/W
272 * DD: Used to return the pointer to the created object
273 * UnkOuter: For aggregation, which is unsupported. Must be NULL
274 * iid: requested version ID.
277 * DD_OK if the Interface was created successfully
278 * CLASS_E_NOAGGREGATION if UnkOuter is not NULL
279 * E_OUTOFMEMORY if some allocation failed
281 ***********************************************************************/
282 static HRESULT
DDRAW_Create(const GUID
*guid
, void **out
, IUnknown
*outer_unknown
, REFIID iid
)
284 enum wined3d_device_type device_type
;
289 TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n",
290 debugstr_guid(guid
), out
, outer_unknown
, debugstr_guid(iid
));
294 if (guid
== (GUID
*) DDCREATE_EMULATIONONLY
)
296 device_type
= WINED3D_DEVICE_TYPE_REF
;
298 else if (guid
== (GUID
*) DDCREATE_HARDWAREONLY
)
300 device_type
= WINED3D_DEVICE_TYPE_HAL
;
304 device_type
= WINED3D_DEVICE_TYPE_HAL
;
307 /* DDraw doesn't support aggregation, according to msdn */
308 if (outer_unknown
!= NULL
)
309 return CLASS_E_NOAGGREGATION
;
311 if (!IsEqualGUID(iid
, &IID_IDirectDraw7
))
312 flags
= WINED3D_LEGACY_FFP_LIGHTING
;
314 if (!(ddraw
= heap_alloc_zero(sizeof(*ddraw
))))
316 ERR("Out of memory when creating DirectDraw.\n");
317 return E_OUTOFMEMORY
;
320 if (FAILED(hr
= ddraw_init(ddraw
, flags
, device_type
)))
322 WARN("Failed to initialize ddraw object, hr %#lx.\n", hr
);
327 hr
= IDirectDraw7_QueryInterface(&ddraw
->IDirectDraw7_iface
, iid
, out
);
328 IDirectDraw7_Release(&ddraw
->IDirectDraw7_iface
);
330 list_add_head(&global_ddraw_list
, &ddraw
->ddraw_list_entry
);
332 WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid
), ddraw
);
337 /***********************************************************************
338 * DirectDrawCreate (DDRAW.@)
340 * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7
341 * interfaces in theory
343 * Arguments, return values: See DDRAW_Create
345 ***********************************************************************/
346 HRESULT WINAPI DECLSPEC_HOTPATCH
DirectDrawCreate(GUID
*driver_guid
, IDirectDraw
**ddraw
, IUnknown
*outer
)
350 TRACE("driver_guid %s, ddraw %p, outer %p.\n",
351 debugstr_guid(driver_guid
), ddraw
, outer
);
353 wined3d_mutex_lock();
354 hr
= DDRAW_Create(driver_guid
, (void **)ddraw
, outer
, &IID_IDirectDraw
);
355 wined3d_mutex_unlock();
359 if (FAILED(hr
= IDirectDraw_Initialize(*ddraw
, driver_guid
)))
360 IDirectDraw_Release(*ddraw
);
366 /***********************************************************************
367 * DirectDrawCreateEx (DDRAW.@)
369 * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy
370 * interfaces are requested.
372 * Arguments, return values: See DDRAW_Create
374 ***********************************************************************/
375 HRESULT WINAPI DECLSPEC_HOTPATCH
DirectDrawCreateEx(GUID
*driver_guid
,
376 void **ddraw
, REFIID interface_iid
, IUnknown
*outer
)
380 TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer %p.\n",
381 debugstr_guid(driver_guid
), ddraw
, debugstr_guid(interface_iid
), outer
);
383 if (!IsEqualGUID(interface_iid
, &IID_IDirectDraw7
))
384 return DDERR_INVALIDPARAMS
;
386 wined3d_mutex_lock();
387 hr
= DDRAW_Create(driver_guid
, ddraw
, outer
, interface_iid
);
388 wined3d_mutex_unlock();
392 IDirectDraw7
*ddraw7
= *(IDirectDraw7
**)ddraw
;
393 hr
= IDirectDraw7_Initialize(ddraw7
, driver_guid
);
395 IDirectDraw7_Release(ddraw7
);
401 /***********************************************************************
402 * DirectDrawEnumerateA (DDRAW.@)
404 * Enumerates legacy ddraw drivers, ascii version. We only have one
405 * driver, which relays to WineD3D. If we were sufficiently cool,
406 * we could offer various interfaces, which use a different default surface
407 * implementation, but I think it's better to offer this choice in
408 * winecfg, because some apps use the default driver, so we would need
409 * a winecfg option anyway, and there shouldn't be 2 ways to set one setting
412 * Callback: Callback function from the app
413 * Context: Argument to the call back.
417 * E_INVALIDARG if the Callback caused a page fault
420 ***********************************************************************/
421 HRESULT WINAPI
DirectDrawEnumerateA(LPDDENUMCALLBACKA callback
, void *context
)
423 struct callback_info info
;
425 TRACE("callback %p, context %p.\n", callback
, context
);
427 info
.callback
= callback
;
428 info
.context
= context
;
429 return DirectDrawEnumerateExA(enum_callback
, &info
, 0x0);
432 /***********************************************************************
433 * DirectDrawEnumerateExA (DDRAW.@)
435 * Enumerates DirectDraw7 drivers, ascii version. See
436 * the comments above DirectDrawEnumerateA for more details.
438 * The Flag member is not supported right now.
440 ***********************************************************************/
441 HRESULT WINAPI
DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback
, void *context
, DWORD flags
)
443 struct wined3d
*wined3d
;
445 TRACE("callback %p, context %p, flags %#lx.\n", callback
, context
, flags
);
447 if (flags
& ~(DDENUM_ATTACHEDSECONDARYDEVICES
|
448 DDENUM_DETACHEDSECONDARYDEVICES
|
449 DDENUM_NONDISPLAYDEVICES
))
450 return DDERR_INVALIDPARAMS
;
452 if (flags
& ~DDENUM_ATTACHEDSECONDARYDEVICES
)
453 FIXME("flags %#lx not handled\n", flags
& ~DDENUM_ATTACHEDSECONDARYDEVICES
);
455 TRACE("Enumerating ddraw interfaces\n");
456 if (!(wined3d
= wined3d_create(DDRAW_WINED3D_FLAGS
)))
458 if (!(wined3d
= wined3d_create(DDRAW_WINED3D_FLAGS
| WINED3D_NO3D
)))
460 WARN("Failed to create a wined3d object.\n");
464 WARN("Created a wined3d object without 3D support.\n");
469 /* QuickTime expects the description "DirectDraw HAL" */
470 static CHAR driver_desc
[] = "DirectDraw HAL",
471 driver_name
[] = "display";
474 TRACE("Default interface: DirectDraw HAL\n");
475 cont_enum
= callback(NULL
, driver_desc
, driver_name
, context
, 0);
477 /* The Battle.net System Checker expects both a NULL device and a GUID-based device */
478 if (cont_enum
&& (flags
& DDENUM_ATTACHEDSECONDARYDEVICES
))
479 ddraw_enumerate_secondary_devices(wined3d
, callback
, context
);
483 wined3d_decref(wined3d
);
484 return DDERR_INVALIDPARAMS
;
488 wined3d_decref(wined3d
);
489 TRACE("End of enumeration\n");
493 /***********************************************************************
494 * DirectDrawEnumerateW (DDRAW.@)
496 * Enumerates legacy drivers, unicode version.
497 * This function is not implemented on Windows.
499 ***********************************************************************/
500 HRESULT WINAPI
DirectDrawEnumerateW(LPDDENUMCALLBACKW callback
, void *context
)
502 TRACE("callback %p, context %p.\n", callback
, context
);
505 return DDERR_INVALIDPARAMS
;
507 return DDERR_UNSUPPORTED
;
510 /***********************************************************************
511 * DirectDrawEnumerateExW (DDRAW.@)
513 * Enumerates DirectDraw7 drivers, unicode version.
514 * This function is not implemented on Windows.
516 ***********************************************************************/
517 HRESULT WINAPI
DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback
, void *context
, DWORD flags
)
519 TRACE("callback %p, context %p, flags %#lx.\n", callback
, context
, flags
);
521 return DDERR_UNSUPPORTED
;
524 /***********************************************************************
525 * Classfactory implementation.
526 ***********************************************************************/
528 /***********************************************************************
529 * CF_CreateDirectDraw
531 * DDraw creation function for the class factory
534 * UnkOuter: Set to NULL
535 * iid: ID of the wanted interface
536 * obj: Address to pass the interface pointer back
539 * DD_OK / DDERR*, see DDRAW_Create
541 ***********************************************************************/
543 CF_CreateDirectDraw(IUnknown
* UnkOuter
, REFIID iid
,
548 TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter
, debugstr_guid(iid
), obj
);
550 wined3d_mutex_lock();
551 hr
= DDRAW_Create(NULL
, obj
, UnkOuter
, iid
);
552 wined3d_mutex_unlock();
557 /***********************************************************************
558 * CF_CreateDirectDraw
560 * Clipper creation function for the class factory
563 * UnkOuter: Set to NULL
564 * iid: ID of the wanted interface
565 * obj: Address to pass the interface pointer back
568 * DD_OK / DDERR*, see DDRAW_Create
570 ***********************************************************************/
572 CF_CreateDirectDrawClipper(IUnknown
* UnkOuter
, REFIID riid
,
576 IDirectDrawClipper
*Clip
;
578 TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter
, debugstr_guid(riid
), obj
);
580 wined3d_mutex_lock();
581 hr
= DirectDrawCreateClipper(0, &Clip
, UnkOuter
);
584 wined3d_mutex_unlock();
588 hr
= IDirectDrawClipper_QueryInterface(Clip
, riid
, obj
);
589 IDirectDrawClipper_Release(Clip
);
591 wined3d_mutex_unlock();
596 static const struct object_creation_info object_creation
[] =
598 { &CLSID_DirectDraw
, CF_CreateDirectDraw
},
599 { &CLSID_DirectDraw7
, CF_CreateDirectDraw
},
600 { &CLSID_DirectDrawClipper
, CF_CreateDirectDrawClipper
}
603 struct ddraw_class_factory
605 IClassFactory IClassFactory_iface
;
608 HRESULT (*pfnCreateInstance
)(IUnknown
*outer
, REFIID iid
, void **out
);
611 static inline struct ddraw_class_factory
*impl_from_IClassFactory(IClassFactory
*iface
)
613 return CONTAINING_RECORD(iface
, struct ddraw_class_factory
, IClassFactory_iface
);
616 /*******************************************************************************
617 * IDirectDrawClassFactory::QueryInterface
619 * QueryInterface for the class factory
622 * riid Reference to identifier of queried interface
623 * ppv Address to return the interface pointer at
627 * Failure: E_NOINTERFACE
629 *******************************************************************************/
630 static HRESULT WINAPI
ddraw_class_factory_QueryInterface(IClassFactory
*iface
, REFIID riid
, void **out
)
632 TRACE("iface %p, riid %s, out %p.\n", iface
, debugstr_guid(riid
), out
);
634 if (IsEqualGUID(riid
, &IID_IUnknown
)
635 || IsEqualGUID(riid
, &IID_IClassFactory
))
637 IClassFactory_AddRef(iface
);
642 WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid
));
644 return E_NOINTERFACE
;
647 /*******************************************************************************
648 * IDirectDrawClassFactory::AddRef
650 * AddRef for the class factory
655 *******************************************************************************/
656 static ULONG WINAPI
ddraw_class_factory_AddRef(IClassFactory
*iface
)
658 struct ddraw_class_factory
*factory
= impl_from_IClassFactory(iface
);
659 ULONG ref
= InterlockedIncrement(&factory
->ref
);
661 TRACE("%p increasing refcount to %lu.\n", factory
, ref
);
666 /*******************************************************************************
667 * IDirectDrawClassFactory::Release
669 * Release for the class factory. If the refcount falls to 0, the object
675 *******************************************************************************/
676 static ULONG WINAPI
ddraw_class_factory_Release(IClassFactory
*iface
)
678 struct ddraw_class_factory
*factory
= impl_from_IClassFactory(iface
);
679 ULONG ref
= InterlockedDecrement(&factory
->ref
);
681 TRACE("%p decreasing refcount to %lu.\n", factory
, ref
);
690 /*******************************************************************************
691 * IDirectDrawClassFactory::CreateInstance
693 * What is this? Seems to create DirectDraw objects...
696 * The usual things???
701 *******************************************************************************/
702 static HRESULT WINAPI
ddraw_class_factory_CreateInstance(IClassFactory
*iface
,
703 IUnknown
*outer_unknown
, REFIID riid
, void **out
)
705 struct ddraw_class_factory
*factory
= impl_from_IClassFactory(iface
);
707 TRACE("iface %p, outer_unknown %p, riid %s, out %p.\n",
708 iface
, outer_unknown
, debugstr_guid(riid
), out
);
710 return factory
->pfnCreateInstance(outer_unknown
, riid
, out
);
713 /*******************************************************************************
714 * IDirectDrawClassFactory::LockServer
722 * S_OK, because it's a stub
724 *******************************************************************************/
725 static HRESULT WINAPI
ddraw_class_factory_LockServer(IClassFactory
*iface
, BOOL dolock
)
727 FIXME("iface %p, dolock %#x stub!\n", iface
, dolock
);
732 /*******************************************************************************
733 * The class factory VTable
734 *******************************************************************************/
735 static const IClassFactoryVtbl IClassFactory_Vtbl
=
737 ddraw_class_factory_QueryInterface
,
738 ddraw_class_factory_AddRef
,
739 ddraw_class_factory_Release
,
740 ddraw_class_factory_CreateInstance
,
741 ddraw_class_factory_LockServer
744 HRESULT WINAPI
DllGetClassObject(REFCLSID rclsid
, REFIID riid
, void **out
)
746 struct ddraw_class_factory
*factory
;
749 TRACE("rclsid %s, riid %s, out %p.\n",
750 debugstr_guid(rclsid
), debugstr_guid(riid
), out
);
752 if (!IsEqualGUID(&IID_IClassFactory
, riid
)
753 && !IsEqualGUID(&IID_IUnknown
, riid
))
754 return E_NOINTERFACE
;
756 for (i
=0; i
< ARRAY_SIZE(object_creation
); i
++)
758 if (IsEqualGUID(object_creation
[i
].clsid
, rclsid
))
762 if (i
== ARRAY_SIZE(object_creation
))
764 FIXME("%s: no class found.\n", debugstr_guid(rclsid
));
765 return CLASS_E_CLASSNOTAVAILABLE
;
768 if (!(factory
= heap_alloc_zero(sizeof(*factory
))))
769 return E_OUTOFMEMORY
;
771 factory
->IClassFactory_iface
.lpVtbl
= &IClassFactory_Vtbl
;
774 factory
->pfnCreateInstance
= object_creation
[i
].pfnCreateInstance
;
781 /***********************************************************************
784 * Could be used to register DirectDraw drivers, if we have more than
785 * one. Also used to destroy any objects left at unload if the
786 * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...)
788 ***********************************************************************/
789 BOOL WINAPI
DllMain(HINSTANCE inst
, DWORD reason
, void *reserved
)
793 case DLL_PROCESS_ATTACH
:
795 static HMODULE ddraw_self
;
799 /* Register the window class. This is used to create a hidden window
800 * for D3D rendering, if the application didn't pass one. It can also
801 * be used for creating a device window from SetCooperativeLevel(). */
802 wc
.style
= CS_HREDRAW
| CS_VREDRAW
;
803 wc
.lpfnWndProc
= DefWindowProcA
;
809 wc
.hbrBackground
= GetStockObject(BLACK_BRUSH
);
810 wc
.lpszMenuName
= NULL
;
811 wc
.lpszClassName
= DDRAW_WINDOW_CLASS_NAME
;
812 if (!RegisterClassA(&wc
))
814 ERR("Failed to register ddraw window class, last error %#lx.\n", GetLastError());
818 /* On Windows one can force the refresh rate that DirectDraw uses by
819 * setting an override value in dxdiag. This is documented in KB315614
820 * (main article), KB230002, and KB217348. By comparing registry dumps
821 * before and after setting the override, we see that the override value
822 * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a
823 * DWORD that represents the refresh rate to force. We use this
824 * registry entry to modify the behavior of SetDisplayMode so that Wine
825 * users can override the refresh rate in a Windows-compatible way.
827 * dxdiag will not accept a refresh rate lower than 40 or higher than
828 * 120 so this value should be within that range. It is, of course,
829 * possible for a user to set the registry entry value directly so that
830 * assumption might not hold.
832 * There is no current mechanism for setting this value through the Wine
833 * GUI. It would be most appropriate to set this value through a dxdiag
834 * clone, but it may be sufficient to use winecfg.
836 * TODO: Create a mechanism for setting this value through the Wine GUI.
838 if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE
, "Software\\Microsoft\\DirectDraw", &hkey
) )
840 DWORD type
, data
, size
;
843 if (!RegQueryValueExA(hkey
, "ForceRefreshRate", NULL
, &type
, (BYTE
*)&data
, &size
) && type
== REG_DWORD
)
845 TRACE("ForceRefreshRate set; overriding refresh rate to %ld Hz\n", data
);
846 force_refresh_rate
= data
;
851 /* Prevent the ddraw module from being unloaded. When switching to
852 * exclusive mode, we replace the window proc of the ddraw window. If
853 * an application would unload ddraw from the WM_DESTROY handler for
854 * that window, it would return to unmapped memory and die. Apparently
855 * this is supposed to work on Windows. */
856 if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
| GET_MODULE_HANDLE_EX_FLAG_PIN
,
857 (const WCHAR
*)&ddraw_self
, &ddraw_self
))
858 ERR("Failed to get own module handle.\n");
861 DisableThreadLibraryCalls(inst
);
865 case DLL_PROCESS_DETACH
:
870 LIST_FOR_EACH_ENTRY(ddraw
, &global_ddraw_list
, struct ddraw
, ddraw_list_entry
)
872 struct ddraw_surface
*surface
;
874 WARN("DirectDraw object %p has reference counts {%lu, %lu, %lu, %lu, %lu}.\n",
875 ddraw
, ddraw
->ref7
, ddraw
->ref4
, ddraw
->ref3
, ddraw
->ref2
, ddraw
->ref1
);
877 if (ddraw
->d3ddevice
)
878 WARN("DirectDraw object %p has Direct3D device %p attached.\n", ddraw
, ddraw
->d3ddevice
);
880 LIST_FOR_EACH_ENTRY(surface
, &ddraw
->surface_list
, struct ddraw_surface
, surface_list_entry
)
882 WARN("Surface %p has reference counts {%lu, %lu, %lu, %lu, %lu, %lu}.\n",
883 surface
, surface
->ref7
, surface
->ref4
, surface
->ref3
,
884 surface
->ref2
, surface
->ref1
, surface
->gamma_count
);
890 UnregisterClassA(DDRAW_WINDOW_CLASS_NAME
, inst
);