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 };
  43 static struct dxgi_main dxgi_main;
  44
  45 static void dxgi_main_cleanup(void)
  46 {
  47     HeapFree(GetProcessHeap(), 0, dxgi_main.device_layers);
  48     FreeLibrary(dxgi_main.d3d10core);
  49     DeleteCriticalSection(&dxgi_cs);
  50 }
  51
  52 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  53 {
  54     TRACE("fdwReason %u\n", fdwReason);
  55
  56     switch(fdwReason)
  57     {
  58         case DLL_PROCESS_ATTACH:
  59             DisableThreadLibraryCalls(hInstDLL);
  60             break;
  61
  62         case DLL_PROCESS_DETACH:
  63             if (lpv) break;
  64             dxgi_main_cleanup();
  65             break;
  66     }
  67
  68     return TRUE;
  69 }
  70
  71 HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
  72 {
  73     struct dxgi_factory *object;
  74     HRESULT hr;
  75
  76     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
  77
  78     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
  79     if (!object)
  80     {
  81         ERR("Failed to allocate DXGI factory object memory\n");
  82         *factory = NULL;
  83         return E_OUTOFMEMORY;
  84     }
  85
  86     hr = dxgi_factory_init(object);
  87     if (FAILED(hr))
  88     {
  89         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
  90         HeapFree(GetProcessHeap(), 0, object);
  91         *factory = NULL;
  92         return hr;
  93     }
  94
  95     TRACE("Created IDXGIFactory %p\n", object);
  96
  97     hr = IDXGIFactory_QueryInterface((IDXGIFactory *)object, riid, factory);
  98     IDXGIFactory_Release((IDXGIFactory *)object);
  99
 100     return hr;
 101 }
 102
 103 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
 104 {
 105     UINT i;
 106
 107     EnterCriticalSection(&dxgi_cs);
 108
 109     for (i = 0; i < dxgi_main.layer_count; ++i)
 110     {
 111         if (dxgi_main.device_layers[i].id == id)
 112         {
 113             *layer = dxgi_main.device_layers[i];
 114             LeaveCriticalSection(&dxgi_cs);
 115             return TRUE;
 116         }
 117     }
 118
 119     LeaveCriticalSection(&dxgi_cs);
 120     return FALSE;
 121 }
 122
 123 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
 124 {
 125     EnterCriticalSection(&dxgi_cs);
 126
 127     if (!dxgi_main.d3d10core)
 128     {
 129         HRESULT hr;
 130         HRESULT (WINAPI *d3d10core_register_layers)(void);
 131         HMODULE mod;
 132         BOOL ret;
 133
 134         ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCSTR)d3d10core, &mod);
 135         if (!ret)
 136         {
 137             LeaveCriticalSection(&dxgi_cs);
 138             return E_FAIL;
 139         }
 140
 141         d3d10core_register_layers = (void *)GetProcAddress(mod, "D3D10CoreRegisterLayers");
 142         hr = d3d10core_register_layers();
 143         if (FAILED(hr))
 144         {
 145             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 146             LeaveCriticalSection(&dxgi_cs);
 147             return hr;
 148         }
 149
 150         dxgi_main.d3d10core = mod;
 151     }
 152
 153     LeaveCriticalSection(&dxgi_cs);
 154
 155     return S_OK;
 156 }
 157
 158 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
 159         UINT flags, void *unknown0, void **device)
 160 {
 161     struct layer_get_size_args get_size_args;
 162     struct dxgi_device *dxgi_device;
 163     struct dxgi_device_layer d3d10_layer;
 164     UINT device_size;
 165     DWORD count;
 166     HRESULT hr;
 167
 168     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %p, device %p.\n",
 169             d3d10core, factory, adapter, flags, unknown0, device);
 170
 171     hr = register_d3d10core_layers(d3d10core);
 172     if (FAILED(hr))
 173     {
 174         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 175         return hr;
 176     }
 177
 178     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
 179     {
 180         ERR("Failed to get D3D10 device layer\n");
 181         return E_FAIL;
 182     }
 183
 184     count = 0;
 185     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
 186     if (FAILED(hr))
 187     {
 188         WARN("Failed to initialize D3D10 device layer\n");
 189         return E_FAIL;
 190     }
 191
 192     get_size_args.unknown0 = 0;
 193     get_size_args.unknown1 = 0;
 194     get_size_args.unknown2 = NULL;
 195     get_size_args.unknown3 = NULL;
 196     get_size_args.adapter = adapter;
 197     get_size_args.interface_major = 10;
 198     get_size_args.interface_minor = 1;
 199     get_size_args.version_build = 4;
 200     get_size_args.version_revision = 6000;
 201
 202     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
 203     device_size += sizeof(*dxgi_device);
 204
 205     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
 206     if (!dxgi_device)
 207     {
 208         ERR("Failed to allocate device memory\n");
 209         return E_OUTOFMEMORY;
 210     }
 211
 212     hr = dxgi_device_init(dxgi_device, &d3d10_layer, factory, adapter);
 213     if (FAILED(hr))
 214     {
 215         WARN("Failed to initialize device, hr %#x.\n", hr);
 216         HeapFree(GetProcessHeap(), 0, dxgi_device);
 217         *device = NULL;
 218         return hr;
 219     }
 220
 221     TRACE("Created device %p.\n", dxgi_device);
 222     *device = dxgi_device;
 223
 224     return S_OK;
 225 }
 226
 227 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
 228 {
 229     UINT i;
 230     struct dxgi_device_layer *new_layers;
 231
 232     TRACE("layers %p, layer_count %u\n", layers, layer_count);
 233
 234     EnterCriticalSection(&dxgi_cs);
 235
 236     if (!dxgi_main.layer_count)
 237         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
 238     else
 239         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
 240                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
 241
 242     if (!new_layers)
 243     {
 244         LeaveCriticalSection(&dxgi_cs);
 245         ERR("Failed to allocate layer memory\n");
 246         return E_OUTOFMEMORY;
 247     }
 248
 249     for (i = 0; i < layer_count; ++i)
 250     {
 251         const struct dxgi_device_layer *layer = &layers[i];
 252
 253         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
 254                 i, layer->id, layer->init, layer->get_size, layer->create);
 255
 256         new_layers[dxgi_main.layer_count + i] = *layer;
 257     }
 258
 259     dxgi_main.device_layers = new_layers;
 260     dxgi_main.layer_count += layer_count;
 261
 262     LeaveCriticalSection(&dxgi_cs);
 263
 264     return S_OK;
 265 }