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 inst, DWORD reason, void *reserved)
  53 {
  54     switch (reason)
  55     {
  56         case DLL_PROCESS_ATTACH:
  57             DisableThreadLibraryCalls(inst);
  58             break;
  59
  60         case DLL_PROCESS_DETACH:
  61             if (!reserved)
  62                 dxgi_main_cleanup();
  63             break;
  64     }
  65
  66     return TRUE;
  67 }
  68
  69 HRESULT WINAPI CreateDXGIFactory1(REFIID riid, void **factory)
  70 {
  71     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
  72
  73     return dxgi_factory_create(riid, factory, TRUE);
  74 }
  75
  76 HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
  77 {
  78     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
  79
  80     return dxgi_factory_create(riid, factory, FALSE);
  81 }
  82
  83 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
  84 {
  85     UINT i;
  86
  87     EnterCriticalSection(&dxgi_cs);
  88
  89     for (i = 0; i < dxgi_main.layer_count; ++i)
  90     {
  91         if (dxgi_main.device_layers[i].id == id)
  92         {
  93             *layer = dxgi_main.device_layers[i];
  94             LeaveCriticalSection(&dxgi_cs);
  95             return TRUE;
  96         }
  97     }
  98
  99     LeaveCriticalSection(&dxgi_cs);
 100     return FALSE;
 101 }
 102
 103 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
 104 {
 105     EnterCriticalSection(&dxgi_cs);
 106
 107     if (!dxgi_main.d3d10core)
 108     {
 109         HRESULT hr;
 110         HRESULT (WINAPI *d3d10core_register_layers)(void);
 111         HMODULE mod;
 112         BOOL ret;
 113
 114         if (!(ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (const char *)d3d10core, &mod)))
 115         {
 116             LeaveCriticalSection(&dxgi_cs);
 117             return E_FAIL;
 118         }
 119
 120         d3d10core_register_layers = (void *)GetProcAddress(mod, "D3D10CoreRegisterLayers");
 121         hr = d3d10core_register_layers();
 122         if (FAILED(hr))
 123         {
 124             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 125             LeaveCriticalSection(&dxgi_cs);
 126             return hr;
 127         }
 128
 129         dxgi_main.d3d10core = mod;
 130     }
 131
 132     LeaveCriticalSection(&dxgi_cs);
 133
 134     return S_OK;
 135 }
 136
 137 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
 138         UINT flags, void *unknown0, void **device)
 139 {
 140     struct layer_get_size_args get_size_args;
 141     struct dxgi_device *dxgi_device;
 142     struct dxgi_device_layer d3d10_layer;
 143     UINT device_size;
 144     DWORD count;
 145     HRESULT hr;
 146
 147     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %p, device %p.\n",
 148             d3d10core, factory, adapter, flags, unknown0, device);
 149
 150     hr = register_d3d10core_layers(d3d10core);
 151     if (FAILED(hr))
 152     {
 153         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 154         return hr;
 155     }
 156
 157     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
 158     {
 159         ERR("Failed to get D3D10 device layer\n");
 160         return E_FAIL;
 161     }
 162
 163     count = 0;
 164     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
 165     if (FAILED(hr))
 166     {
 167         WARN("Failed to initialize D3D10 device layer\n");
 168         return E_FAIL;
 169     }
 170
 171     get_size_args.unknown0 = 0;
 172     get_size_args.unknown1 = 0;
 173     get_size_args.unknown2 = NULL;
 174     get_size_args.unknown3 = NULL;
 175     get_size_args.adapter = adapter;
 176     get_size_args.interface_major = 10;
 177     get_size_args.interface_minor = 1;
 178     get_size_args.version_build = 4;
 179     get_size_args.version_revision = 6000;
 180
 181     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
 182     device_size += sizeof(*dxgi_device);
 183
 184     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
 185     if (!dxgi_device)
 186     {
 187         ERR("Failed to allocate device memory\n");
 188         return E_OUTOFMEMORY;
 189     }
 190
 191     hr = dxgi_device_init(dxgi_device, &d3d10_layer, factory, adapter);
 192     if (FAILED(hr))
 193     {
 194         WARN("Failed to initialize device, hr %#x.\n", hr);
 195         HeapFree(GetProcessHeap(), 0, dxgi_device);
 196         *device = NULL;
 197         return hr;
 198     }
 199
 200     TRACE("Created device %p.\n", dxgi_device);
 201     *device = dxgi_device;
 202
 203     return S_OK;
 204 }
 205
 206 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
 207 {
 208     UINT i;
 209     struct dxgi_device_layer *new_layers;
 210
 211     TRACE("layers %p, layer_count %u\n", layers, layer_count);
 212
 213     EnterCriticalSection(&dxgi_cs);
 214
 215     if (!dxgi_main.layer_count)
 216         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
 217     else
 218         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
 219                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
 220
 221     if (!new_layers)
 222     {
 223         LeaveCriticalSection(&dxgi_cs);
 224         ERR("Failed to allocate layer memory\n");
 225         return E_OUTOFMEMORY;
 226     }
 227
 228     for (i = 0; i < layer_count; ++i)
 229     {
 230         const struct dxgi_device_layer *layer = &layers[i];
 231
 232         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
 233                 i, layer->id, layer->init, layer->get_size, layer->create);
 234
 235         new_layers[dxgi_main.layer_count + i] = *layer;
 236     }
 237
 238     dxgi_main.device_layers = new_layers;
 239     dxgi_main.layer_count += layer_count;
 240
 241     LeaveCriticalSection(&dxgi_cs);
 242
 243     return S_OK;
 244 }