/* DirectDraw Base Functions * * Copyright 1997-1999 Marcus Meissner * Copyright 1998 Lionel Ulmer * Copyright 2000-2001 TransGaming Technologies Inc. * Copyright 2006 Stefan Dösinger * Copyright 2008 Denver Gingerich * * This file contains the (internal) driver registration functions, * driver enumeration APIs and DirectDraw creation functions. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #define DDRAW_INIT_GUID #include "ddraw_private.h" #include "rpcproxy.h" #include "wine/exception.h" #include "winreg.h" WINE_DEFAULT_DEBUG_CHANNEL(ddraw); /* The configured default surface */ enum ddraw_surface_type DefaultSurfaceType = DDRAW_SURFACE_TYPE_OPENGL; static struct list global_ddraw_list = LIST_INIT(global_ddraw_list); static HINSTANCE instance; /* value of ForceRefreshRate */ DWORD force_refresh_rate = 0; /* Structure for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */ struct callback_info { LPDDENUMCALLBACKA callback; void *context; }; /* Enumeration callback for converting DirectDrawEnumerateA to DirectDrawEnumerateExA */ static HRESULT CALLBACK enum_callback(GUID *guid, char *description, char *driver_name, void *context, HMONITOR monitor) { const struct callback_info *info = context; return info->callback(guid, description, driver_name, info->context); } /* Handle table functions */ BOOL ddraw_handle_table_init(struct ddraw_handle_table *t, UINT initial_size) { t->entries = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, initial_size * sizeof(*t->entries)); if (!t->entries) { ERR("Failed to allocate handle table memory.\n"); return FALSE; } t->free_entries = NULL; t->table_size = initial_size; t->entry_count = 0; return TRUE; } void ddraw_handle_table_destroy(struct ddraw_handle_table *t) { HeapFree(GetProcessHeap(), 0, t->entries); memset(t, 0, sizeof(*t)); } DWORD ddraw_allocate_handle(struct ddraw_handle_table *t, void *object, enum ddraw_handle_type type) { struct ddraw_handle_entry *entry; if (t->free_entries) { DWORD idx = t->free_entries - t->entries; /* Use a free handle */ entry = t->free_entries; if (entry->type != DDRAW_HANDLE_FREE) { ERR("Handle %#x (%p) is in the free list, but has type %#x.\n", idx, entry->object, entry->type); return DDRAW_INVALID_HANDLE; } t->free_entries = entry->object; entry->object = object; entry->type = type; return idx; } if (!(t->entry_count < t->table_size)) { /* Grow the table */ UINT new_size = t->table_size + (t->table_size >> 1); struct ddraw_handle_entry *new_entries = HeapReAlloc(GetProcessHeap(), 0, t->entries, new_size * sizeof(*t->entries)); if (!new_entries) { ERR("Failed to grow the handle table.\n"); return DDRAW_INVALID_HANDLE; } t->entries = new_entries; t->table_size = new_size; } entry = &t->entries[t->entry_count]; entry->object = object; entry->type = type; return t->entry_count++; } void *ddraw_free_handle(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) { struct ddraw_handle_entry *entry; void *object; if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count) { WARN("Invalid handle %#x passed.\n", handle); return NULL; } entry = &t->entries[handle]; if (entry->type != type) { WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type); return NULL; } object = entry->object; entry->object = t->free_entries; entry->type = DDRAW_HANDLE_FREE; t->free_entries = entry; return object; } void *ddraw_get_object(struct ddraw_handle_table *t, DWORD handle, enum ddraw_handle_type type) { struct ddraw_handle_entry *entry; if (handle == DDRAW_INVALID_HANDLE || handle >= t->entry_count) { WARN("Invalid handle %#x passed.\n", handle); return NULL; } entry = &t->entries[handle]; if (entry->type != type) { WARN("Handle %#x (%p) is not of type %#x.\n", handle, entry->object, type); return NULL; } return entry->object; } /*********************************************************************** * * Helper function for DirectDrawCreate and friends * Creates a new DDraw interface with the given REFIID * * Interfaces that can be created: * IDirectDraw, IDirectDraw2, IDirectDraw4, IDirectDraw7 * IDirect3D, IDirect3D2, IDirect3D3, IDirect3D7. (Does Windows return * IDirect3D interfaces?) * * Arguments: * guid: ID of the requested driver, NULL for the default driver. * The GUID can be queried with DirectDrawEnumerate(Ex)A/W * DD: Used to return the pointer to the created object * UnkOuter: For aggregation, which is unsupported. Must be NULL * iid: requested version ID. * * Returns: * DD_OK if the Interface was created successfully * CLASS_E_NOAGGREGATION if UnkOuter is not NULL * E_OUTOFMEMORY if some allocation failed * ***********************************************************************/ static HRESULT DDRAW_Create(const GUID *guid, void **DD, IUnknown *UnkOuter, REFIID iid) { enum wined3d_device_type device_type; struct ddraw *ddraw; HRESULT hr; TRACE("driver_guid %s, ddraw %p, outer_unknown %p, interface_iid %s.\n", debugstr_guid(guid), DD, UnkOuter, debugstr_guid(iid)); *DD = NULL; /* We don't care about this guids. Well, there's no special guid anyway * OK, we could */ if (guid == (GUID *) DDCREATE_EMULATIONONLY) { /* Use the reference device id. This doesn't actually change anything, * WineD3D always uses OpenGL for D3D rendering. One could make it request * indirect rendering */ device_type = WINED3D_DEVICE_TYPE_REF; } else if(guid == (GUID *) DDCREATE_HARDWAREONLY) { device_type = WINED3D_DEVICE_TYPE_HAL; } else { device_type = 0; } /* DDraw doesn't support aggregation, according to msdn */ if (UnkOuter != NULL) return CLASS_E_NOAGGREGATION; /* DirectDraw creation comes here */ ddraw = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ddraw)); if (!ddraw) { ERR("Out of memory when creating DirectDraw\n"); return E_OUTOFMEMORY; } hr = ddraw_init(ddraw, device_type); if (FAILED(hr)) { WARN("Failed to initialize ddraw object, hr %#x.\n", hr); HeapFree(GetProcessHeap(), 0, ddraw); return hr; } hr = IDirectDraw7_QueryInterface(&ddraw->IDirectDraw7_iface, iid, DD); IDirectDraw7_Release(&ddraw->IDirectDraw7_iface); if (SUCCEEDED(hr)) list_add_head(&global_ddraw_list, &ddraw->ddraw_list_entry); else WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), ddraw); return hr; } /*********************************************************************** * DirectDrawCreate (DDRAW.@) * * Creates legacy DirectDraw Interfaces. Can't create IDirectDraw7 * interfaces in theory * * Arguments, return values: See DDRAW_Create * ***********************************************************************/ HRESULT WINAPI DECLSPEC_HOTPATCH DirectDrawCreate(GUID *driver_guid, IDirectDraw **ddraw, IUnknown *outer) { HRESULT hr; TRACE("driver_guid %s, ddraw %p, outer %p.\n", debugstr_guid(driver_guid), ddraw, outer); wined3d_mutex_lock(); hr = DDRAW_Create(driver_guid, (void **)ddraw, outer, &IID_IDirectDraw); wined3d_mutex_unlock(); if (SUCCEEDED(hr)) { if (FAILED(hr = IDirectDraw_Initialize(*ddraw, driver_guid))) IDirectDraw_Release(*ddraw); } return hr; } /*********************************************************************** * DirectDrawCreateEx (DDRAW.@) * * Only creates new IDirectDraw7 interfaces, supposed to fail if legacy * interfaces are requested. * * Arguments, return values: See DDRAW_Create * ***********************************************************************/ HRESULT WINAPI DECLSPEC_HOTPATCH DirectDrawCreateEx(GUID *guid, LPVOID *dd, REFIID iid, IUnknown *UnkOuter) { HRESULT hr; TRACE("driver_guid %s, ddraw %p, interface_iid %s, outer_unknown %p.\n", debugstr_guid(guid), dd, debugstr_guid(iid), UnkOuter); if (!IsEqualGUID(iid, &IID_IDirectDraw7)) return DDERR_INVALIDPARAMS; wined3d_mutex_lock(); hr = DDRAW_Create(guid, dd, UnkOuter, iid); wined3d_mutex_unlock(); if (SUCCEEDED(hr)) { IDirectDraw7 *ddraw7 = *(IDirectDraw7 **)dd; hr = IDirectDraw7_Initialize(ddraw7, guid); if (FAILED(hr)) IDirectDraw7_Release(ddraw7); } return hr; } /*********************************************************************** * DirectDrawEnumerateA (DDRAW.@) * * Enumerates legacy ddraw drivers, ascii version. We only have one * driver, which relays to WineD3D. If we were sufficiently cool, * we could offer various interfaces, which use a different default surface * implementation, but I think it's better to offer this choice in * winecfg, because some apps use the default driver, so we would need * a winecfg option anyway, and there shouldn't be 2 ways to set one setting * * Arguments: * Callback: Callback function from the app * Context: Argument to the call back. * * Returns: * DD_OK on success * E_INVALIDARG if the Callback caused a page fault * * ***********************************************************************/ HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACKA callback, void *context) { struct callback_info info; TRACE("callback %p, context %p.\n", callback, context); info.callback = callback; info.context = context; return DirectDrawEnumerateExA(enum_callback, &info, 0x0); } /*********************************************************************** * DirectDrawEnumerateExA (DDRAW.@) * * Enumerates DirectDraw7 drivers, ascii version. See * the comments above DirectDrawEnumerateA for more details. * * The Flag member is not supported right now. * ***********************************************************************/ HRESULT WINAPI DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA callback, void *context, DWORD flags) { struct wined3d *wined3d; DWORD wined3d_flags; TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags); if (flags & ~(DDENUM_ATTACHEDSECONDARYDEVICES | DDENUM_DETACHEDSECONDARYDEVICES | DDENUM_NONDISPLAYDEVICES)) return DDERR_INVALIDPARAMS; if (flags) FIXME("flags 0x%08x not handled\n", flags); wined3d_flags = WINED3D_LEGACY_DEPTH_BIAS; if (DefaultSurfaceType != DDRAW_SURFACE_TYPE_OPENGL) wined3d_flags |= WINED3D_NO3D; TRACE("Enumerating ddraw interfaces\n"); if (!(wined3d = wined3d_create(7, wined3d_flags))) { if ((wined3d_flags & WINED3D_NO3D) || !(wined3d = wined3d_create(7, wined3d_flags | WINED3D_NO3D))) { WARN("Failed to create a wined3d object.\n"); return E_FAIL; } WARN("Created a wined3d object without 3D support.\n"); DefaultSurfaceType = DDRAW_SURFACE_TYPE_GDI; } __TRY { /* QuickTime expects the description "DirectDraw HAL" */ static CHAR driver_desc[] = "DirectDraw HAL", driver_name[] = "display"; struct wined3d_adapter_identifier adapter_id; HRESULT hr = S_OK; UINT adapter = 0; BOOL cont_enum; /* The Battle.net System Checker expects both a NULL device and a GUID-based device */ TRACE("Default interface: DirectDraw HAL\n"); cont_enum = callback(NULL, driver_desc, driver_name, context, 0); for (adapter = 0; SUCCEEDED(hr) && cont_enum; adapter++) { char DriverName[512] = ""; /* The Battle.net System Checker expects the GetAdapterIdentifier DeviceName to match the * Driver Name, so obtain the DeviceName and GUID from D3D. */ memset(&adapter_id, 0x0, sizeof(adapter_id)); adapter_id.device_name = DriverName; adapter_id.device_name_size = sizeof(DriverName); wined3d_mutex_lock(); hr = wined3d_get_adapter_identifier(wined3d, adapter, 0x0, &adapter_id); wined3d_mutex_unlock(); if (SUCCEEDED(hr)) { TRACE("Interface %d: %s\n", adapter, wine_dbgstr_guid(&adapter_id.device_identifier)); cont_enum = callback(&adapter_id.device_identifier, driver_desc, adapter_id.device_name, context, 0); } } } __EXCEPT_PAGE_FAULT { wined3d_decref(wined3d); return DDERR_INVALIDPARAMS; } __ENDTRY; wined3d_decref(wined3d); TRACE("End of enumeration\n"); return DD_OK; } /*********************************************************************** * DirectDrawEnumerateW (DDRAW.@) * * Enumerates legacy drivers, unicode version. * This function is not implemented on Windows. * ***********************************************************************/ HRESULT WINAPI DirectDrawEnumerateW(LPDDENUMCALLBACKW callback, void *context) { TRACE("callback %p, context %p.\n", callback, context); if (!callback) return DDERR_INVALIDPARAMS; else return DDERR_UNSUPPORTED; } /*********************************************************************** * DirectDrawEnumerateExW (DDRAW.@) * * Enumerates DirectDraw7 drivers, unicode version. * This function is not implemented on Windows. * ***********************************************************************/ HRESULT WINAPI DirectDrawEnumerateExW(LPDDENUMCALLBACKEXW callback, void *context, DWORD flags) { TRACE("callback %p, context %p, flags %#x.\n", callback, context, flags); return DDERR_UNSUPPORTED; } /*********************************************************************** * Classfactory implementation. ***********************************************************************/ /*********************************************************************** * CF_CreateDirectDraw * * DDraw creation function for the class factory * * Params: * UnkOuter: Set to NULL * iid: ID of the wanted interface * obj: Address to pass the interface pointer back * * Returns * DD_OK / DDERR*, see DDRAW_Create * ***********************************************************************/ static HRESULT CF_CreateDirectDraw(IUnknown* UnkOuter, REFIID iid, void **obj) { HRESULT hr; TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(iid), obj); wined3d_mutex_lock(); hr = DDRAW_Create(NULL, obj, UnkOuter, iid); wined3d_mutex_unlock(); return hr; } /*********************************************************************** * CF_CreateDirectDraw * * Clipper creation function for the class factory * * Params: * UnkOuter: Set to NULL * iid: ID of the wanted interface * obj: Address to pass the interface pointer back * * Returns * DD_OK / DDERR*, see DDRAW_Create * ***********************************************************************/ static HRESULT CF_CreateDirectDrawClipper(IUnknown* UnkOuter, REFIID riid, void **obj) { HRESULT hr; IDirectDrawClipper *Clip; TRACE("outer_unknown %p, riid %s, object %p.\n", UnkOuter, debugstr_guid(riid), obj); wined3d_mutex_lock(); hr = DirectDrawCreateClipper(0, &Clip, UnkOuter); if (hr != DD_OK) { wined3d_mutex_unlock(); return hr; } hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj); IDirectDrawClipper_Release(Clip); wined3d_mutex_unlock(); return hr; } static const struct object_creation_info object_creation[] = { { &CLSID_DirectDraw, CF_CreateDirectDraw }, { &CLSID_DirectDraw7, CF_CreateDirectDraw }, { &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper } }; struct ddraw_class_factory { IClassFactory IClassFactory_iface; LONG ref; HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj); }; static inline struct ddraw_class_factory *impl_from_IClassFactory(IClassFactory *iface) { return CONTAINING_RECORD(iface, struct ddraw_class_factory, IClassFactory_iface); } /******************************************************************************* * IDirectDrawClassFactory::QueryInterface * * QueryInterface for the class factory * * PARAMS * riid Reference to identifier of queried interface * ppv Address to return the interface pointer at * * RETURNS * Success: S_OK * Failure: E_NOINTERFACE * *******************************************************************************/ static HRESULT WINAPI ddraw_class_factory_QueryInterface(IClassFactory *iface, REFIID riid, void **out) { TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out); if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IClassFactory)) { IClassFactory_AddRef(iface); *out = iface; return S_OK; } WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid)); return E_NOINTERFACE; } /******************************************************************************* * IDirectDrawClassFactory::AddRef * * AddRef for the class factory * * RETURNS * The new refcount * *******************************************************************************/ static ULONG WINAPI ddraw_class_factory_AddRef(IClassFactory *iface) { struct ddraw_class_factory *factory = impl_from_IClassFactory(iface); ULONG ref = InterlockedIncrement(&factory->ref); TRACE("%p increasing refcount to %u.\n", factory, ref); return ref; } /******************************************************************************* * IDirectDrawClassFactory::Release * * Release for the class factory. If the refcount falls to 0, the object * is destroyed * * RETURNS * The new refcount * *******************************************************************************/ static ULONG WINAPI ddraw_class_factory_Release(IClassFactory *iface) { struct ddraw_class_factory *factory = impl_from_IClassFactory(iface); ULONG ref = InterlockedDecrement(&factory->ref); TRACE("%p decreasing refcount to %u.\n", factory, ref); if (!ref) HeapFree(GetProcessHeap(), 0, factory); return ref; } /******************************************************************************* * IDirectDrawClassFactory::CreateInstance * * What is this? Seems to create DirectDraw objects... * * Params * The usual things??? * * RETURNS * ??? * *******************************************************************************/ static HRESULT WINAPI ddraw_class_factory_CreateInstance(IClassFactory *iface, IUnknown *outer_unknown, REFIID riid, void **out) { struct ddraw_class_factory *factory = impl_from_IClassFactory(iface); TRACE("iface %p, outer_unknown %p, riid %s, out %p.\n", iface, outer_unknown, debugstr_guid(riid), out); return factory->pfnCreateInstance(outer_unknown, riid, out); } /******************************************************************************* * IDirectDrawClassFactory::LockServer * * What is this? * * Params * ??? * * RETURNS * S_OK, because it's a stub * *******************************************************************************/ static HRESULT WINAPI ddraw_class_factory_LockServer(IClassFactory *iface, BOOL dolock) { FIXME("iface %p, dolock %#x stub!\n", iface, dolock); return S_OK; } /******************************************************************************* * The class factory VTable *******************************************************************************/ static const IClassFactoryVtbl IClassFactory_Vtbl = { ddraw_class_factory_QueryInterface, ddraw_class_factory_AddRef, ddraw_class_factory_Release, ddraw_class_factory_CreateInstance, ddraw_class_factory_LockServer }; /******************************************************************************* * DllGetClassObject [DDRAW.@] * Retrieves class object from a DLL object * * NOTES * Docs say returns STDAPI * * PARAMS * rclsid [I] CLSID for the class object * riid [I] Reference to identifier of interface for class object * ppv [O] Address of variable to receive interface pointer for riid * * RETURNS * Success: S_OK * Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG, * E_UNEXPECTED */ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) { struct ddraw_class_factory *factory; unsigned int i; TRACE("rclsid %s, riid %s, object %p.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv); if (!IsEqualGUID(&IID_IClassFactory, riid) && !IsEqualGUID(&IID_IUnknown, riid)) return E_NOINTERFACE; for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) { if (IsEqualGUID(object_creation[i].clsid, rclsid)) break; } if (i == sizeof(object_creation)/sizeof(object_creation[0])) { FIXME("%s: no class found.\n", debugstr_guid(rclsid)); return CLASS_E_CLASSNOTAVAILABLE; } factory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*factory)); if (factory == NULL) return E_OUTOFMEMORY; factory->IClassFactory_iface.lpVtbl = &IClassFactory_Vtbl; factory->ref = 1; factory->pfnCreateInstance = object_creation[i].pfnCreateInstance; *ppv = factory; return S_OK; } /******************************************************************************* * DllCanUnloadNow [DDRAW.@] Determines whether the DLL is in use. * * RETURNS * Success: S_OK * Failure: S_FALSE */ HRESULT WINAPI DllCanUnloadNow(void) { TRACE("\n"); return S_FALSE; } /*********************************************************************** * DllRegisterServer (DDRAW.@) */ HRESULT WINAPI DllRegisterServer(void) { return __wine_register_resources( instance ); } /*********************************************************************** * DllUnregisterServer (DDRAW.@) */ HRESULT WINAPI DllUnregisterServer(void) { return __wine_unregister_resources( instance ); } /******************************************************************************* * DestroyCallback * * Callback function for the EnumSurfaces call in DllMain. * Dumps some surface info and releases the surface * * Params: * surf: The enumerated surface * desc: it's description * context: Pointer to the ddraw impl * * Returns: * DDENUMRET_OK; *******************************************************************************/ static HRESULT WINAPI DestroyCallback(IDirectDrawSurface7 *surf, DDSURFACEDESC2 *desc, void *context) { struct ddraw_surface *Impl = impl_from_IDirectDrawSurface7(surf); ULONG ref7, ref4, ref3, ref2, ref1, gamma_count, iface_count; ref7 = IDirectDrawSurface7_Release(surf); /* For the EnumSurfaces */ ref4 = Impl->ref4; ref3 = Impl->ref3; ref2 = Impl->ref2; ref1 = Impl->ref1; gamma_count = Impl->gamma_count; WARN("Surface %p has an reference counts of 7: %u 4: %u 3: %u 2: %u 1: %u gamma: %u\n", Impl, ref7, ref4, ref3, ref2, ref1, gamma_count); /* Skip surfaces which are attached somewhere or which are * part of a complex compound. They will get released when destroying * the root */ if( (!Impl->is_complex_root) || (Impl->first_attached != Impl) ) return DDENUMRET_OK; /* Destroy the surface */ iface_count = ddraw_surface_release_iface(Impl); while (iface_count) iface_count = ddraw_surface_release_iface(Impl); return DDENUMRET_OK; } /*********************************************************************** * get_config_key * * Reads a config key from the registry. Taken from WineD3D * ***********************************************************************/ static inline DWORD get_config_key(HKEY defkey, HKEY appkey, const char* name, char* buffer, DWORD size) { if (0 != appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0; if (0 != defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE) buffer, &size )) return 0; return ERROR_FILE_NOT_FOUND; } /*********************************************************************** * DllMain (DDRAW.0) * * Could be used to register DirectDraw drivers, if we have more than * one. Also used to destroy any objects left at unload if the * app didn't release them properly(Gothic 2, Diablo 2, Moto racer, ...) * ***********************************************************************/ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD reason, LPVOID reserved) { TRACE("(%p,%x,%p)\n", hInstDLL, reason, reserved); switch (reason) { case DLL_PROCESS_ATTACH: { static HMODULE ddraw_self; char buffer[MAX_PATH+10]; DWORD size = sizeof(buffer); HKEY hkey = 0; HKEY appkey = 0; WNDCLASSA wc; DWORD len; /* Register the window class. This is used to create a hidden window * for D3D rendering, if the application didn't pass one. It can also * be used for creating a device window from SetCooperativeLevel(). */ wc.style = CS_HREDRAW | CS_VREDRAW; wc.lpfnWndProc = DefWindowProcA; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = hInstDLL; wc.hIcon = 0; wc.hCursor = 0; wc.hbrBackground = GetStockObject(BLACK_BRUSH); wc.lpszMenuName = NULL; wc.lpszClassName = DDRAW_WINDOW_CLASS_NAME; if (!RegisterClassA(&wc)) { ERR("Failed to register ddraw window class, last error %#x.\n", GetLastError()); return FALSE; } /* @@ Wine registry key: HKCU\Software\Wine\Direct3D */ if ( RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Direct3D", &hkey ) ) hkey = 0; len = GetModuleFileNameA( 0, buffer, MAX_PATH ); if (len && len < MAX_PATH) { HKEY tmpkey; /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Direct3D */ if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey )) { char *p, *appname = buffer; if ((p = strrchr( appname, '/' ))) appname = p + 1; if ((p = strrchr( appname, '\\' ))) appname = p + 1; strcat( appname, "\\Direct3D" ); TRACE("appname = [%s]\n", appname); if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0; RegCloseKey( tmpkey ); } } if ( 0 != hkey || 0 != appkey ) { if ( !get_config_key( hkey, appkey, "DirectDrawRenderer", buffer, size) ) { if (!strcmp(buffer,"gdi")) { TRACE("Defaulting to GDI surfaces\n"); DefaultSurfaceType = DDRAW_SURFACE_TYPE_GDI; } else if (!strcmp(buffer,"opengl")) { TRACE("Defaulting to opengl surfaces\n"); DefaultSurfaceType = DDRAW_SURFACE_TYPE_OPENGL; } else { ERR("Unknown default surface type. Supported are:\n gdi, opengl\n"); } } } /* On Windows one can force the refresh rate that DirectDraw uses by * setting an override value in dxdiag. This is documented in KB315614 * (main article), KB230002, and KB217348. By comparing registry dumps * before and after setting the override, we see that the override value * is stored in HKLM\Software\Microsoft\DirectDraw\ForceRefreshRate as a * DWORD that represents the refresh rate to force. We use this * registry entry to modify the behavior of SetDisplayMode so that Wine * users can override the refresh rate in a Windows-compatible way. * * dxdiag will not accept a refresh rate lower than 40 or higher than * 120 so this value should be within that range. It is, of course, * possible for a user to set the registry entry value directly so that * assumption might not hold. * * There is no current mechanism for setting this value through the Wine * GUI. It would be most appropriate to set this value through a dxdiag * clone, but it may be sufficient to use winecfg. * * TODO: Create a mechanism for setting this value through the Wine GUI. */ if ( !RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectDraw", &hkey ) ) { DWORD type, data; size = sizeof(data); if (!RegQueryValueExA( hkey, "ForceRefreshRate", NULL, &type, (LPBYTE)&data, &size ) && type == REG_DWORD) { TRACE("ForceRefreshRate set; overriding refresh rate to %d Hz\n", data); force_refresh_rate = data; } RegCloseKey( hkey ); } /* Prevent the ddraw module from being unloaded. When switching to * exclusive mode, we replace the window proc of the ddraw window. If * an application would unload ddraw from the WM_DESTROY handler for * that window, it would return to unmapped memory and die. Apparently * this is supposed to work on Windows. We should probably use * GET_MODULE_HANDLE_EX_FLAG_PIN for this, but that's not currently * implemented. */ if (!GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (const WCHAR *)&ddraw_self, &ddraw_self)) ERR("Failed to get own module handle.\n"); instance = hInstDLL; DisableThreadLibraryCalls(hInstDLL); break; } case DLL_PROCESS_DETACH: if(!list_empty(&global_ddraw_list)) { struct list *entry, *entry2; WARN("There are still existing DirectDraw interfaces. Wine bug or buggy application?\n"); /* We remove elements from this loop */ LIST_FOR_EACH_SAFE(entry, entry2, &global_ddraw_list) { struct ddraw *ddraw = LIST_ENTRY(entry, struct ddraw, ddraw_list_entry); HRESULT hr; DDSURFACEDESC2 desc; int i; WARN("DDraw %p has a refcount of %d\n", ddraw, ddraw->ref7 + ddraw->ref4 + ddraw->ref3 + ddraw->ref2 + ddraw->ref1); /* Add references to each interface to avoid freeing them unexpectedly */ IDirectDraw_AddRef(&ddraw->IDirectDraw_iface); IDirectDraw2_AddRef(&ddraw->IDirectDraw2_iface); IDirectDraw4_AddRef(&ddraw->IDirectDraw4_iface); IDirectDraw7_AddRef(&ddraw->IDirectDraw7_iface); /* Does a D3D device exist? Destroy it * TODO: Destroy all Vertex buffers, Lights, Materials * and execute buffers too */ if(ddraw->d3ddevice) { WARN("DDraw %p has d3ddevice %p attached\n", ddraw, ddraw->d3ddevice); while(IDirect3DDevice7_Release(&ddraw->d3ddevice->IDirect3DDevice7_iface)); } /* Destroy the swapchain after any 3D device. The 3D device * cleanup code needs a swapchain. Specifically, it tries to * set the current render target to the front buffer. */ if (ddraw->wined3d_swapchain) ddraw_destroy_swapchain(ddraw); /* Try to release the objects * Do an EnumSurfaces to find any hanging surfaces */ memset(&desc, 0, sizeof(desc)); desc.dwSize = sizeof(desc); for(i = 0; i <= 1; i++) { hr = IDirectDraw7_EnumSurfaces(&ddraw->IDirectDraw7_iface, DDENUMSURFACES_ALL, &desc, ddraw, DestroyCallback); if(hr != D3D_OK) ERR("(%p) EnumSurfaces failed, prepare for trouble\n", ddraw); } if (!list_empty(&ddraw->surface_list)) ERR("DDraw %p still has surfaces attached.\n", ddraw); /* Release all hanging references to destroy the objects. This * restores the screen mode too */ while(IDirectDraw_Release(&ddraw->IDirectDraw_iface)); while(IDirectDraw2_Release(&ddraw->IDirectDraw2_iface)); while(IDirectDraw4_Release(&ddraw->IDirectDraw4_iface)); while(IDirectDraw7_Release(&ddraw->IDirectDraw7_iface)); } } if (reserved) break; UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL); } return TRUE; }