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         hr = dxgi_adapter_init(adapter, (IWineDXGIFactory *)object, i);
 133         if (FAILED(hr))
 134         {
 135             UINT j;
 136
 137             ERR("Failed to initialize adapter, hr %#x.\n", hr);
 138
 139             HeapFree(GetProcessHeap(), 0, adapter);
 140             for (j = 0; j < i; ++j)
 141             {
 142                 IDXGIAdapter_Release(object->adapters[j]);
 143             }
 144             goto fail;
 145         }
 146
 147         object->adapters[i] = (IDXGIAdapter *)adapter;
 148     }
 149
 150     TRACE("Created IDXGIFactory %p\n", object);
 151
 152     hr = IDXGIFactory_QueryInterface((IDXGIFactory *)object, riid, factory);
 153     IDXGIFactory_Release((IDXGIFactory *)object);
 154
 155     return hr;
 156
 157 fail:
 158     HeapFree(GetProcessHeap(), 0, object->adapters);
 159     if (object->wined3d)
 160     {
 161         EnterCriticalSection(&dxgi_cs);
 162         IWineD3D_Release(object->wined3d);
 163         LeaveCriticalSection(&dxgi_cs);
 164     }
 165     HeapFree(GetProcessHeap(), 0, object);
 166     *factory = NULL;
 167     return hr;
 168
 169 }
 170
 171 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
 172 {
 173     UINT i;
 174
 175     EnterCriticalSection(&dxgi_cs);
 176
 177     for (i = 0; i < dxgi_main.layer_count; ++i)
 178     {
 179         if (dxgi_main.device_layers[i].id == id)
 180         {
 181             *layer = dxgi_main.device_layers[i];
 182             LeaveCriticalSection(&dxgi_cs);
 183             return TRUE;
 184         }
 185     }
 186
 187     LeaveCriticalSection(&dxgi_cs);
 188     return FALSE;
 189 }
 190
 191 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
 192 {
 193     EnterCriticalSection(&dxgi_cs);
 194
 195     if (!dxgi_main.d3d10core)
 196     {
 197         HRESULT hr;
 198         HRESULT (WINAPI *d3d10core_register_layers)(void);
 199         HMODULE mod;
 200         BOOL ret;
 201
 202         ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCSTR)d3d10core, &mod);
 203         if (!ret)
 204         {
 205             LeaveCriticalSection(&dxgi_cs);
 206             return E_FAIL;
 207         }
 208
 209         d3d10core_register_layers = (HRESULT (WINAPI *)(void))GetProcAddress(mod, "D3D10CoreRegisterLayers");
 210         hr = d3d10core_register_layers();
 211         if (FAILED(hr))
 212         {
 213             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 214             LeaveCriticalSection(&dxgi_cs);
 215             return hr;
 216         }
 217
 218         dxgi_main.d3d10core = mod;
 219     }
 220
 221     LeaveCriticalSection(&dxgi_cs);
 222
 223     return S_OK;
 224 }
 225
 226 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
 227         UINT flags, void *unknown0, void **device)
 228 {
 229     struct layer_get_size_args get_size_args;
 230     struct dxgi_device *dxgi_device;
 231     struct dxgi_device_layer d3d10_layer;
 232     UINT device_size;
 233     DWORD count;
 234     HRESULT hr;
 235
 236     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %p, device %p.\n",
 237             d3d10core, factory, adapter, flags, unknown0, device);
 238
 239     hr = register_d3d10core_layers(d3d10core);
 240     if (FAILED(hr))
 241     {
 242         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 243         return hr;
 244     }
 245
 246     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
 247     {
 248         ERR("Failed to get D3D10 device layer\n");
 249         return E_FAIL;
 250     }
 251
 252     count = 0;
 253     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
 254     if (FAILED(hr))
 255     {
 256         WARN("Failed to initialize D3D10 device layer\n");
 257         return E_FAIL;
 258     }
 259
 260     get_size_args.unknown0 = 0;
 261     get_size_args.unknown1 = 0;
 262     get_size_args.unknown2 = NULL;
 263     get_size_args.unknown3 = NULL;
 264     get_size_args.adapter = adapter;
 265     get_size_args.interface_major = 10;
 266     get_size_args.interface_minor = 1;
 267     get_size_args.version_build = 4;
 268     get_size_args.version_revision = 6000;
 269
 270     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
 271     device_size += sizeof(*dxgi_device);
 272
 273     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
 274     if (!dxgi_device)
 275     {
 276         ERR("Failed to allocate device memory\n");
 277         return E_OUTOFMEMORY;
 278     }
 279
 280     hr = dxgi_device_init(dxgi_device, &d3d10_layer, factory, adapter);
 281     if (FAILED(hr))
 282     {
 283         WARN("Failed to initialize device, hr %#x.\n", hr);
 284         HeapFree(GetProcessHeap(), 0, dxgi_device);
 285         *device = NULL;
 286         return hr;
 287     }
 288
 289     TRACE("Created device %p.\n", dxgi_device);
 290     *device = dxgi_device;
 291
 292     return S_OK;
 293 }
 294
 295 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
 296 {
 297     UINT i;
 298     struct dxgi_device_layer *new_layers;
 299
 300     TRACE("layers %p, layer_count %u\n", layers, layer_count);
 301
 302     EnterCriticalSection(&dxgi_cs);
 303
 304     if (!dxgi_main.layer_count)
 305         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
 306     else
 307         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
 308                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
 309
 310     if (!new_layers)
 311     {
 312         LeaveCriticalSection(&dxgi_cs);
 313         ERR("Failed to allocate layer memory\n");
 314         return E_OUTOFMEMORY;
 315     }
 316
 317     for (i = 0; i < layer_count; ++i)
 318     {
 319         const struct dxgi_device_layer *layer = &layers[i];
 320
 321         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
 322                 i, layer->id, layer->init, layer->get_size, layer->create);
 323
 324         new_layers[dxgi_main.layer_count + i] = *layer;
 325     }
 326
 327     dxgi_main.device_layers = new_layers;
 328     dxgi_main.layer_count += layer_count;
 329
 330     LeaveCriticalSection(&dxgi_cs);
 331
 332     return S_OK;
 333 }