dxgi: Remove superfluous pointer casts.
[wine] / dlls / dxgi / dxgi_main.c
1 /*
2  * Copyright 2008 Henri Verbeet for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  *
18  */
19
20 #include "config.h"
21 #include "wine/port.h"
22
23 #define DXGI_INIT_GUID
24 #include "dxgi_private.h"
25
26 WINE_DEFAULT_DEBUG_CHANNEL(dxgi);
27
28 static CRITICAL_SECTION_DEBUG dxgi_cs_debug =
29 {
30     0, 0, &dxgi_cs,
31     {&dxgi_cs_debug.ProcessLocksList,
32     &dxgi_cs_debug.ProcessLocksList},
33     0, 0, {(DWORD_PTR)(__FILE__ ": dxgi_cs")}
34 };
35 CRITICAL_SECTION dxgi_cs = {&dxgi_cs_debug, -1, 0, 0, 0, 0};
36
37 struct dxgi_main
38 {
39     HMODULE d3d10core;
40     struct dxgi_device_layer *device_layers;
41     UINT layer_count;
42     LONG refcount;
43 };
44 static struct dxgi_main dxgi_main;
45
46 static void dxgi_main_cleanup(void)
47 {
48     EnterCriticalSection(&dxgi_cs);
49
50     HeapFree(GetProcessHeap(), 0, dxgi_main.device_layers);
51     dxgi_main.device_layers = NULL;
52     dxgi_main.layer_count = 0;
53
54     FreeLibrary(dxgi_main.d3d10core);
55     dxgi_main.d3d10core = NULL;
56
57     LeaveCriticalSection(&dxgi_cs);
58 }
59
60 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
61 {
62     TRACE("fdwReason %u\n", fdwReason);
63
64     switch(fdwReason)
65     {
66         case DLL_PROCESS_ATTACH:
67             DisableThreadLibraryCalls(hInstDLL);
68             ++dxgi_main.refcount;
69             break;
70
71         case DLL_PROCESS_DETACH:
72             if (!--dxgi_main.refcount) dxgi_main_cleanup();
73             break;
74     }
75
76     return TRUE;
77 }
78
79 HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
80 {
81     struct dxgi_factory *object;
82     HRESULT hr;
83     UINT i;
84
85     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
86
87     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
88     if (!object)
89     {
90         ERR("Failed to allocate DXGI factory object memory\n");
91         *factory = NULL;
92         return E_OUTOFMEMORY;
93     }
94
95     object->vtbl = &dxgi_factory_vtbl;
96     object->refcount = 1;
97
98     EnterCriticalSection(&dxgi_cs);
99     object->wined3d = WineDirect3DCreate(10, (IUnknown *)object);
100     if(!object->wined3d)
101     {
102         hr = DXGI_ERROR_UNSUPPORTED;
103         LeaveCriticalSection(&dxgi_cs);
104         goto fail;
105     }
106
107     object->adapter_count = IWineD3D_GetAdapterCount(object->wined3d);
108     LeaveCriticalSection(&dxgi_cs);
109     object->adapters = HeapAlloc(GetProcessHeap(), 0, object->adapter_count * sizeof(*object->adapters));
110     if (!object->adapters)
111     {
112         ERR("Failed to allocate DXGI adapter array memory\n");
113         hr = E_OUTOFMEMORY;
114         goto fail;
115     }
116
117     for (i = 0; i < object->adapter_count; ++i)
118     {
119         struct dxgi_adapter *adapter = HeapAlloc(GetProcessHeap(), 0, sizeof(*adapter));
120         if (!adapter)
121         {
122             UINT j;
123             ERR("Failed to allocate DXGI adapter memory\n");
124             for (j = 0; j < i; ++j)
125             {
126                 HeapFree(GetProcessHeap(), 0, object->adapters[j]);
127             }
128             hr = E_OUTOFMEMORY;
129             goto fail;
130         }
131
132         adapter->vtbl = &dxgi_adapter_vtbl;
133         adapter->refcount = 1;
134         adapter->ordinal = i;
135         adapter->parent = (IDXGIFactory *)object;
136         object->adapters[i] = (IDXGIAdapter *)adapter;
137     }
138
139     TRACE("Created IDXGIFactory %p\n", object);
140
141     hr = IDXGIFactory_QueryInterface((IDXGIFactory *)object, riid, factory);
142     IDXGIFactory_Release((IDXGIFactory *)object);
143
144     return hr;
145
146 fail:
147     HeapFree(GetProcessHeap(), 0, object->adapters);
148     if (object->wined3d)
149     {
150         EnterCriticalSection(&dxgi_cs);
151         IWineD3D_Release(object->wined3d);
152         LeaveCriticalSection(&dxgi_cs);
153     }
154     HeapFree(GetProcessHeap(), 0, object);
155     *factory = NULL;
156     return hr;
157
158 }
159
160 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
161 {
162     UINT i;
163
164     EnterCriticalSection(&dxgi_cs);
165
166     for (i = 0; i < dxgi_main.layer_count; ++i)
167     {
168         if (dxgi_main.device_layers[i].id == id)
169         {
170             *layer = dxgi_main.device_layers[i];
171             LeaveCriticalSection(&dxgi_cs);
172             return TRUE;
173         }
174     }
175
176     LeaveCriticalSection(&dxgi_cs);
177     return FALSE;
178 }
179
180 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
181 {
182     EnterCriticalSection(&dxgi_cs);
183
184     if (!dxgi_main.d3d10core)
185     {
186         HRESULT hr;
187         HRESULT (WINAPI *d3d10core_register_layers)(void);
188         HMODULE mod;
189         BOOL ret;
190
191         ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCSTR)d3d10core, &mod);
192         if (!ret)
193         {
194             LeaveCriticalSection(&dxgi_cs);
195             return E_FAIL;
196         }
197
198         d3d10core_register_layers = (HRESULT (WINAPI *)(void))GetProcAddress(mod, "D3D10CoreRegisterLayers");
199         hr = d3d10core_register_layers();
200         if (FAILED(hr))
201         {
202             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
203             LeaveCriticalSection(&dxgi_cs);
204             return hr;
205         }
206
207         dxgi_main.d3d10core = mod;
208     }
209
210     LeaveCriticalSection(&dxgi_cs);
211
212     return S_OK;
213 }
214
215 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
216         UINT flags, DWORD unknown0, void **device)
217 {
218     struct layer_get_size_args get_size_args;
219     struct dxgi_device *dxgi_device;
220     struct dxgi_device_layer d3d10_layer;
221     IWineDXGIAdapter *wine_adapter;
222     UINT adapter_ordinal;
223     IWineD3D *wined3d;
224     void *layer_base;
225     UINT device_size;
226     DWORD count;
227     HRESULT hr;
228
229     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %#x, device %p\n",
230             d3d10core, factory, adapter, flags, unknown0, device);
231
232     hr = register_d3d10core_layers(d3d10core);
233     if (FAILED(hr))
234     {
235         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
236         return hr;
237     }
238
239     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
240     {
241         ERR("Failed to get D3D10 device layer\n");
242         return E_FAIL;
243     }
244
245     count = 0;
246     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
247     if (FAILED(hr))
248     {
249         WARN("Failed to initialize D3D10 device layer\n");
250         return E_FAIL;
251     }
252
253     get_size_args.unknown0 = 0;
254     get_size_args.unknown1 = 0;
255     get_size_args.unknown2 = NULL;
256     get_size_args.unknown3 = NULL;
257     get_size_args.adapter = adapter;
258     get_size_args.interface_major = 10;
259     get_size_args.interface_minor = 1;
260     get_size_args.version_build = 4;
261     get_size_args.version_revision = 6000;
262
263     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
264     device_size += sizeof(*dxgi_device);
265
266     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
267     if (!dxgi_device)
268     {
269         ERR("Failed to allocate device memory\n");
270         return E_OUTOFMEMORY;
271     }
272
273     dxgi_device->vtbl = &dxgi_device_vtbl;
274     dxgi_device->refcount = 1;
275
276     hr = IDXGIFactory_QueryInterface(factory, &IID_IWineDXGIFactory, (void **)&dxgi_device->factory);
277     if (FAILED(hr))
278     {
279         WARN("This is not the factory we're looking for, returning %#x\n", hr);
280         goto fail;
281     }
282     wined3d = IWineDXGIFactory_get_wined3d(dxgi_device->factory);
283
284     hr = IDXGIAdapter_QueryInterface(adapter, &IID_IWineDXGIAdapter, (void **)&wine_adapter);
285     if (FAILED(hr))
286     {
287         WARN("This is not the adapter we're looking for, returning %#x\n", hr);
288         EnterCriticalSection(&dxgi_cs);
289         IWineD3D_Release(wined3d);
290         LeaveCriticalSection(&dxgi_cs);
291         goto fail;
292     }
293     adapter_ordinal = IWineDXGIAdapter_get_ordinal(wine_adapter);
294     IWineDXGIAdapter_Release(wine_adapter);
295
296     FIXME("Ignoring adapter type\n");
297     EnterCriticalSection(&dxgi_cs);
298     hr = IWineD3D_CreateDevice(wined3d, adapter_ordinal, WINED3DDEVTYPE_HAL, NULL,
299             0, &dxgi_device->wined3d_device, (IUnknown *)dxgi_device);
300     IWineD3D_Release(wined3d);
301     LeaveCriticalSection(&dxgi_cs);
302     if (FAILED(hr))
303     {
304         WARN("Failed to create a WineD3D device, returning %#x\n", hr);
305         goto fail;
306     }
307
308     layer_base = dxgi_device + 1;
309
310     hr = d3d10_layer.create(d3d10_layer.id, &layer_base, 0,
311             dxgi_device, &IID_IUnknown, (void **)&dxgi_device->child_layer);
312     if (FAILED(hr))
313     {
314         WARN("Failed to create device, returning %#x\n", hr);
315         goto fail;
316     }
317
318     *device = dxgi_device;
319
320     return hr;
321
322 fail:
323     if (dxgi_device->wined3d_device)
324     {
325         EnterCriticalSection(&dxgi_cs);
326         IWineD3DDevice_Release(dxgi_device->wined3d_device);
327         LeaveCriticalSection(&dxgi_cs);
328     }
329     if (dxgi_device->factory) IWineDXGIFactory_Release(dxgi_device->factory);
330     HeapFree(GetProcessHeap(), 0, dxgi_device);
331     *device = NULL;
332     return hr;
333 }
334
335 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
336 {
337     UINT i;
338     struct dxgi_device_layer *new_layers;
339
340     TRACE("layers %p, layer_count %u\n", layers, layer_count);
341
342     EnterCriticalSection(&dxgi_cs);
343
344     if (!dxgi_main.layer_count)
345         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
346     else
347         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
348                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
349
350     if (!new_layers)
351     {
352         LeaveCriticalSection(&dxgi_cs);
353         ERR("Failed to allocate layer memory\n");
354         return E_OUTOFMEMORY;
355     }
356
357     for (i = 0; i < layer_count; ++i)
358     {
359         const struct dxgi_device_layer *layer = &layers[i];
360
361         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
362                 i, layer->id, layer->init, layer->get_size, layer->create);
363
364         new_layers[dxgi_main.layer_count + i] = *layer;
365     }
366
367     dxgi_main.device_layers = new_layers;
368     dxgi_main.layer_count += layer_count;
369
370     LeaveCriticalSection(&dxgi_cs);
371
372     return S_OK;
373 }