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/* 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 */
WINED3DSURFTYPE DefaultSurfaceType = SURFACE_UNKNOWN;
/* DDraw list and critical section */
static struct list global_ddraw_list = LIST_INIT(global_ddraw_list);
static CRITICAL_SECTION_DEBUG ddraw_cs_debug =
{
0, 0, &ddraw_cs,
{ &ddraw_cs_debug.ProcessLocksList,
&ddraw_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": ddraw_cs") }
};
CRITICAL_SECTION ddraw_cs = { &ddraw_cs_debug, -1, 0, 0, 0, 0 };
static HINSTANCE instance;
/* value of ForceRefreshRate */
DWORD force_refresh_rate = 0;
/* 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)
{
WINED3DDEVTYPE devicetype;
IDirectDrawImpl *This;
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
*/
devicetype = WINED3DDEVTYPE_REF;
}
else if(guid == (GUID *) DDCREATE_HARDWAREONLY)
{
devicetype = WINED3DDEVTYPE_HAL;
}
else
{
devicetype = 0;
}
/* DDraw doesn't support aggregation, according to msdn */
if (UnkOuter != NULL)
return CLASS_E_NOAGGREGATION;
/* DirectDraw creation comes here */
This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
if(!This)
{
ERR("Out of memory when creating DirectDraw\n");
return E_OUTOFMEMORY;
}
hr = ddraw_init(This, devicetype);
if (FAILED(hr))
{
WARN("Failed to initialize ddraw object, hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, This);
return hr;
}
hr = IDirectDraw7_QueryInterface(&This->IDirectDraw7_iface, iid, DD);
IDirectDraw7_Release(&This->IDirectDraw7_iface);
if (SUCCEEDED(hr)) list_add_head(&global_ddraw_list, &This->ddraw_list_entry);
else WARN("Failed to query interface %s from ddraw object %p.\n", debugstr_guid(iid), This);
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 *GUID,
LPDIRECTDRAW *DD,
IUnknown *UnkOuter)
{
HRESULT hr;
TRACE("driver_guid %s, ddraw %p, outer_unknown %p.\n",
debugstr_guid(GUID), DD, UnkOuter);
EnterCriticalSection(&ddraw_cs);
hr = DDRAW_Create(GUID, (void **) DD, UnkOuter, &IID_IDirectDraw);
LeaveCriticalSection(&ddraw_cs);
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;
EnterCriticalSection(&ddraw_cs);
hr = DDRAW_Create(GUID, DD, UnkOuter, iid);
LeaveCriticalSection(&ddraw_cs);
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)
{
TRACE("callback %p, context %p.\n", Callback, Context);
TRACE(" Enumerating default DirectDraw HAL interface\n");
/* We only have one driver */
__TRY
{
static CHAR driver_desc[] = "DirectDraw HAL",
driver_name[] = "display";
Callback(NULL, driver_desc, driver_name, Context);
}
__EXCEPT_PAGE_FAULT
{
return DDERR_INVALIDPARAMS;
}
__ENDTRY
TRACE(" End of enumeration\n");
return DD_OK;
}
/***********************************************************************
* 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)
{
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);
TRACE("Enumerating default DirectDraw HAL interface\n");
/* We only have one driver by now */
__TRY
{
static CHAR driver_desc[] = "DirectDraw HAL",
driver_name[] = "display";
/* QuickTime expects the description "DirectDraw HAL" */
Callback(NULL, driver_desc, driver_name, Context, 0);
}
__EXCEPT_PAGE_FAULT
{
return DDERR_INVALIDPARAMS;
}
__ENDTRY;
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);
EnterCriticalSection(&ddraw_cs);
hr = DDRAW_Create(NULL, obj, UnkOuter, iid);
LeaveCriticalSection(&ddraw_cs);
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);
EnterCriticalSection(&ddraw_cs);
hr = DirectDrawCreateClipper(0, &Clip, UnkOuter);
if (hr != DD_OK)
{
LeaveCriticalSection(&ddraw_cs);
return hr;
}
hr = IDirectDrawClipper_QueryInterface(Clip, riid, obj);
IDirectDrawClipper_Release(Clip);
LeaveCriticalSection(&ddraw_cs);
return hr;
}
static const struct object_creation_info object_creation[] =
{
{ &CLSID_DirectDraw, CF_CreateDirectDraw },
{ &CLSID_DirectDraw7, CF_CreateDirectDraw },
{ &CLSID_DirectDrawClipper, CF_CreateDirectDrawClipper }
};
/******************************************************************************
* DirectDraw ClassFactory implementation
******************************************************************************/
typedef struct
{
IClassFactory IClassFactory_iface;
LONG ref;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, REFIID iid, LPVOID *ppObj);
} IClassFactoryImpl;
static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
{
return CONTAINING_RECORD(iface, IClassFactoryImpl, 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 IDirectDrawClassFactoryImpl_QueryInterface(IClassFactory *iface, REFIID riid,
void **obj)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), obj);
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*obj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),obj);
return E_NOINTERFACE;
}
/*******************************************************************************
* IDirectDrawClassFactory::AddRef
*
* AddRef for the class factory
*
* RETURNS
* The new refcount
*
*******************************************************************************/
static ULONG WINAPI IDirectDrawClassFactoryImpl_AddRef(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("%p increasing refcount to %u.\n", This, 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 IDirectDrawClassFactoryImpl_Release(IClassFactory *iface)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("%p decreasing refcount to %u.\n", This, ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
/*******************************************************************************
* IDirectDrawClassFactory::CreateInstance
*
* What is this? Seems to create DirectDraw objects...
*
* Params
* The usual things???
*
* RETURNS
* ???
*
*******************************************************************************/
static HRESULT WINAPI IDirectDrawClassFactoryImpl_CreateInstance(IClassFactory *iface,
IUnknown *UnkOuter, REFIID riid, void **obj)
{
IClassFactoryImpl *This = impl_from_IClassFactory(iface);
TRACE("iface %p, outer_unknown %p, riid %s, object %p.\n",
iface, UnkOuter, debugstr_guid(riid), obj);
return This->pfnCreateInstance(UnkOuter, riid, obj);
}
/*******************************************************************************
* IDirectDrawClassFactory::LockServer
*
* What is this?
*
* Params
* ???
*
* RETURNS
* S_OK, because it's a stub
*
*******************************************************************************/
static HRESULT WINAPI IDirectDrawClassFactoryImpl_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 =
{
IDirectDrawClassFactoryImpl_QueryInterface,
IDirectDrawClassFactoryImpl_AddRef,
IDirectDrawClassFactoryImpl_Release,
IDirectDrawClassFactoryImpl_CreateInstance,
IDirectDrawClassFactoryImpl_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)
{
unsigned int i;
IClassFactoryImpl *factory;
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, NULL );
}
/***********************************************************************
* DllUnregisterServer (DDRAW.@)
*/
HRESULT WINAPI DllUnregisterServer(void)
{
return __wine_unregister_resources( instance, NULL );
}
/*******************************************************************************
* 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)
{
IDirectDrawSurfaceImpl *Impl = impl_from_IDirectDrawSurface7(surf);
ULONG ref;
ref = IDirectDrawSurface7_Release(surf); /* For the EnumSurfaces */
WARN("Surface %p has an reference count of %d\n", Impl, ref);
/* 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 */
while(ref) ref = IDirectDrawSurface7_Release(surf);
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 lpv)
{
TRACE("(%p,%x,%p)\n", hInstDLL, Reason, lpv);
if (Reason == DLL_PROCESS_ATTACH)
{
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 = SURFACE_GDI;
}
else if (!strcmp(buffer,"opengl"))
{
TRACE("Defaulting to opengl surfaces\n");
DefaultSurfaceType = SURFACE_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 );
}
instance = hInstDLL;
DisableThreadLibraryCalls(hInstDLL);
}
else if (Reason == 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)
{
HRESULT hr;
DDSURFACEDESC2 desc;
int i;
IDirectDrawImpl *ddraw = LIST_ENTRY(entry, IDirectDrawImpl, ddraw_list_entry);
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);
IDirectDraw3_AddRef(&ddraw->IDirectDraw3_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((IDirect3DDevice7 *)ddraw->d3ddevice));
}
/* 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);
}
/* Check the surface count */
if(ddraw->surfaces > 0)
ERR("DDraw %p still has %d surfaces attached\n", ddraw, ddraw->surfaces);
/* 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(IDirectDraw3_Release(&ddraw->IDirectDraw3_iface));
while(IDirectDraw4_Release(&ddraw->IDirectDraw4_iface));
while(IDirectDraw7_Release(&ddraw->IDirectDraw7_iface));
}
}
/* Unregister the window class. */
UnregisterClassA(DDRAW_WINDOW_CLASS_NAME, hInstDLL);
}
return TRUE;
}
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