dlls/d3dxof/main.c

   1 /*
   2  *     DirectX Files Functions (D3DXOF.DLL)
   3  *
   4  * Copyright 2004 Christian Costa
   5  *
   6  * This file contains the (internal) driver registration functions,
   7  * driver enumeration APIs and DirectDraw creation functions.
   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 <stdarg.h>
  25 #include <string.h>
  26
  27 #define COBJMACROS
  28 #define COM_NO_WINDOWS_H
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winuser.h"
  33 #include "winreg.h"
  34 #include "winerror.h"
  35
  36 #include "ole2.h"
  37 #include "uuids.h"
  38
  39 #include "d3dxof_private.h"
  40 #include "dxfile.h"
  41
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(d3dxof);
  45
  46 static LONG dll_ref = 0;
  47
  48 /* For the moment, do nothing here. */
  49 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  50 {
  51     switch(fdwReason) {
  52         case DLL_PROCESS_ATTACH:
  53             DisableThreadLibraryCalls(hInstDLL);
  54             break;
  55         case DLL_PROCESS_DETACH:
  56             break;
  57     }
  58     return TRUE;
  59 }
  60
  61 /******************************************************************************
  62  * DirectX File ClassFactory
  63  */
  64 typedef struct {
  65     IClassFactory ITF_IClassFactory;
  66
  67     LONG ref;
  68     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  69 } IClassFactoryImpl;
  70
  71 struct object_creation_info
  72 {
  73     const CLSID *clsid;
  74     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  75 };
  76
  77 static const struct object_creation_info object_creation[] =
  78 {
  79     { &CLSID_CDirectXFile, IDirectXFileImpl_Create },
  80 };
  81
  82 static HRESULT WINAPI XFCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid, LPVOID *ppobj)
  83 {
  84     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  85
  86     if (IsEqualGUID(riid, &IID_IUnknown)
  87         || IsEqualGUID(riid, &IID_IClassFactory))
  88     {
  89         IClassFactory_AddRef(iface);
  90         *ppobj = This;
  91         return S_OK;
  92     }
  93
  94     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  95     return E_NOINTERFACE;
  96 }
  97
  98 static ULONG WINAPI XFCF_AddRef(LPCLASSFACTORY iface)
  99 {
 100     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 101     return InterlockedIncrement(&This->ref);
 102 }
 103
 104 static ULONG WINAPI XFCF_Release(LPCLASSFACTORY iface)
 105 {
 106     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 107
 108     ULONG ref = InterlockedDecrement(&This->ref);
 109
 110     if (ref == 0)
 111         HeapFree(GetProcessHeap(), 0, This);
 112
 113     return ref;
 114 }
 115
 116 static HRESULT WINAPI XFCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter, REFIID riid, LPVOID *ppobj)
 117 {
 118     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 119     HRESULT hres;
 120     LPUNKNOWN punk;
 121
 122     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 123
 124     *ppobj = NULL;
 125     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 126     if (SUCCEEDED(hres)) {
 127         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 128         IUnknown_Release(punk);
 129     }
 130     return hres;
 131 }
 132
 133 static HRESULT WINAPI XFCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 134 {
 135     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 136     FIXME("(%p)->(%d),stub!\n",This,dolock);
 137     return S_OK;
 138 }
 139
 140 static const IClassFactoryVtbl XFCF_Vtbl =
 141 {
 142     XFCF_QueryInterface,
 143     XFCF_AddRef,
 144     XFCF_Release,
 145     XFCF_CreateInstance,
 146     XFCF_LockServer
 147 };
 148
 149 /***********************************************************************
 150  *              DirectXFileCreate (D3DXOF.@)
 151  */
 152 HRESULT WINAPI DirectXFileCreate(LPDIRECTXFILE* lplpDirectXFile)
 153 {
 154     HRESULT hr;
 155
 156     TRACE("(%p)\n", lplpDirectXFile);
 157
 158     if (!lplpDirectXFile)
 159         return DXFILEERR_BADVALUE;
 160
 161     hr = IDirectXFileImpl_Create(NULL, (LPVOID)lplpDirectXFile);
 162
 163     if (FAILED(hr))
 164         return DXFILEERR_BADALLOC;
 165
 166     return S_OK;
 167 }
 168
 169 /*******************************************************************************
 170  * DllGetClassObject [D3DXOF.@]
 171  * Retrieves class object from a DLL object
 172  *
 173  * NOTES
 174  *    Docs say returns STDAPI
 175  *
 176  * PARAMS
 177  *    rclsid [I] CLSID for the class object
 178  *    riid   [I] Reference to identifier of interface for class object
 179  *    ppv    [O] Address of variable to receive interface pointer for riid
 180  *
 181  * RETURNS
 182  *    Success: S_OK
 183  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 184  *             E_UNEXPECTED
 185  */
 186 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 187 {
 188     int i;
 189     IClassFactoryImpl *factory;
 190
 191     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 192
 193     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 194          && ! IsEqualGUID( &IID_IUnknown, riid) )
 195         return E_NOINTERFACE;
 196
 197     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 198     {
 199         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 200             break;
 201     }
 202
 203     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 204     {
 205         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 206         return CLASS_E_CLASSNOTAVAILABLE;
 207     }
 208
 209     factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
 210     if (factory == NULL) return E_OUTOFMEMORY;
 211
 212     factory->ITF_IClassFactory.lpVtbl = &XFCF_Vtbl;
 213     factory->ref = 1;
 214
 215     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 216
 217     *ppv = &(factory->ITF_IClassFactory);
 218     return S_OK;
 219 }
 220
 221 /***********************************************************************
 222  *              DllCanUnloadNow (D3DXOF.@)
 223  */
 224 HRESULT WINAPI DllCanUnloadNow(void)
 225 {
 226     return dll_ref != 0 ? S_FALSE : S_OK;
 227 }