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     EnterCriticalSection(&dxgi_cs);
  48
  49     HeapFree(GetProcessHeap(), 0, dxgi_main.device_layers);
  50     dxgi_main.device_layers = NULL;
  51     dxgi_main.layer_count = 0;
  52
  53     FreeLibrary(dxgi_main.d3d10core);
  54     dxgi_main.d3d10core = NULL;
  55
  56     LeaveCriticalSection(&dxgi_cs);
  57     DeleteCriticalSection(&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             break;
  69
  70         case DLL_PROCESS_DETACH:
  71             dxgi_main_cleanup();
  72             break;
  73     }
  74
  75     return TRUE;
  76 }
  77
  78 HRESULT WINAPI CreateDXGIFactory(REFIID riid, void **factory)
  79 {
  80     struct dxgi_factory *object;
  81     HRESULT hr;
  82
  83     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
  84
  85     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
  86     if (!object)
  87     {
  88         ERR("Failed to allocate DXGI factory object memory\n");
  89         *factory = NULL;
  90         return E_OUTOFMEMORY;
  91     }
  92
  93     hr = dxgi_factory_init(object);
  94     if (FAILED(hr))
  95     {
  96         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
  97         HeapFree(GetProcessHeap(), 0, object);
  98         *factory = NULL;
  99         return hr;
 100     }
 101
 102     TRACE("Created IDXGIFactory %p\n", object);
 103
 104     hr = IDXGIFactory_QueryInterface((IDXGIFactory *)object, riid, factory);
 105     IDXGIFactory_Release((IDXGIFactory *)object);
 106
 107     return hr;
 108 }
 109
 110 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
 111 {
 112     UINT i;
 113
 114     EnterCriticalSection(&dxgi_cs);
 115
 116     for (i = 0; i < dxgi_main.layer_count; ++i)
 117     {
 118         if (dxgi_main.device_layers[i].id == id)
 119         {
 120             *layer = dxgi_main.device_layers[i];
 121             LeaveCriticalSection(&dxgi_cs);
 122             return TRUE;
 123         }
 124     }
 125
 126     LeaveCriticalSection(&dxgi_cs);
 127     return FALSE;
 128 }
 129
 130 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
 131 {
 132     EnterCriticalSection(&dxgi_cs);
 133
 134     if (!dxgi_main.d3d10core)
 135     {
 136         HRESULT hr;
 137         HRESULT (WINAPI *d3d10core_register_layers)(void);
 138         HMODULE mod;
 139         BOOL ret;
 140
 141         ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCSTR)d3d10core, &mod);
 142         if (!ret)
 143         {
 144             LeaveCriticalSection(&dxgi_cs);
 145             return E_FAIL;
 146         }
 147
 148         d3d10core_register_layers = (void *)GetProcAddress(mod, "D3D10CoreRegisterLayers");
 149         hr = d3d10core_register_layers();
 150         if (FAILED(hr))
 151         {
 152             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 153             LeaveCriticalSection(&dxgi_cs);
 154             return hr;
 155         }
 156
 157         dxgi_main.d3d10core = mod;
 158     }
 159
 160     LeaveCriticalSection(&dxgi_cs);
 161
 162     return S_OK;
 163 }
 164
 165 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
 166         UINT flags, void *unknown0, void **device)
 167 {
 168     struct layer_get_size_args get_size_args;
 169     struct dxgi_device *dxgi_device;
 170     struct dxgi_device_layer d3d10_layer;
 171     UINT device_size;
 172     DWORD count;
 173     HRESULT hr;
 174
 175     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %p, device %p.\n",
 176             d3d10core, factory, adapter, flags, unknown0, device);
 177
 178     hr = register_d3d10core_layers(d3d10core);
 179     if (FAILED(hr))
 180     {
 181         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 182         return hr;
 183     }
 184
 185     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
 186     {
 187         ERR("Failed to get D3D10 device layer\n");
 188         return E_FAIL;
 189     }
 190
 191     count = 0;
 192     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
 193     if (FAILED(hr))
 194     {
 195         WARN("Failed to initialize D3D10 device layer\n");
 196         return E_FAIL;
 197     }
 198
 199     get_size_args.unknown0 = 0;
 200     get_size_args.unknown1 = 0;
 201     get_size_args.unknown2 = NULL;
 202     get_size_args.unknown3 = NULL;
 203     get_size_args.adapter = adapter;
 204     get_size_args.interface_major = 10;
 205     get_size_args.interface_minor = 1;
 206     get_size_args.version_build = 4;
 207     get_size_args.version_revision = 6000;
 208
 209     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
 210     device_size += sizeof(*dxgi_device);
 211
 212     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
 213     if (!dxgi_device)
 214     {
 215         ERR("Failed to allocate device memory\n");
 216         return E_OUTOFMEMORY;
 217     }
 218
 219     hr = dxgi_device_init(dxgi_device, &d3d10_layer, factory, adapter);
 220     if (FAILED(hr))
 221     {
 222         WARN("Failed to initialize device, hr %#x.\n", hr);
 223         HeapFree(GetProcessHeap(), 0, dxgi_device);
 224         *device = NULL;
 225         return hr;
 226     }
 227
 228     TRACE("Created device %p.\n", dxgi_device);
 229     *device = dxgi_device;
 230
 231     return S_OK;
 232 }
 233
 234 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
 235 {
 236     UINT i;
 237     struct dxgi_device_layer *new_layers;
 238
 239     TRACE("layers %p, layer_count %u\n", layers, layer_count);
 240
 241     EnterCriticalSection(&dxgi_cs);
 242
 243     if (!dxgi_main.layer_count)
 244         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
 245     else
 246         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
 247                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
 248
 249     if (!new_layers)
 250     {
 251         LeaveCriticalSection(&dxgi_cs);
 252         ERR("Failed to allocate layer memory\n");
 253         return E_OUTOFMEMORY;
 254     }
 255
 256     for (i = 0; i < layer_count; ++i)
 257     {
 258         const struct dxgi_device_layer *layer = &layers[i];
 259
 260         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
 261                 i, layer->id, layer->init, layer->get_size, layer->create);
 262
 263         new_layers[dxgi_main.layer_count + i] = *layer;
 264     }
 265
 266     dxgi_main.device_layers = new_layers;
 267     dxgi_main.layer_count += layer_count;
 268
 269     LeaveCriticalSection(&dxgi_cs);
 270
 271     return S_OK;
 272 }