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
  84     TRACE("riid %s, factory %p\n", debugstr_guid(riid), factory);
  85
  86     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
  87     if (!object)
  88     {
  89         ERR("Failed to allocate DXGI factory object memory\n");
  90         *factory = NULL;
  91         return E_OUTOFMEMORY;
  92     }
  93
  94     hr = dxgi_factory_init(object);
  95     if (FAILED(hr))
  96     {
  97         WARN("Failed to initialize swapchain, hr %#x.\n", hr);
  98         HeapFree(GetProcessHeap(), 0, object);
  99         *factory = NULL;
 100         return hr;
 101     }
 102
 103     TRACE("Created IDXGIFactory %p\n", object);
 104
 105     hr = IDXGIFactory_QueryInterface((IDXGIFactory *)object, riid, factory);
 106     IDXGIFactory_Release((IDXGIFactory *)object);
 107
 108     return hr;
 109 }
 110
 111 static BOOL get_layer(enum dxgi_device_layer_id id, struct dxgi_device_layer *layer)
 112 {
 113     UINT i;
 114
 115     EnterCriticalSection(&dxgi_cs);
 116
 117     for (i = 0; i < dxgi_main.layer_count; ++i)
 118     {
 119         if (dxgi_main.device_layers[i].id == id)
 120         {
 121             *layer = dxgi_main.device_layers[i];
 122             LeaveCriticalSection(&dxgi_cs);
 123             return TRUE;
 124         }
 125     }
 126
 127     LeaveCriticalSection(&dxgi_cs);
 128     return FALSE;
 129 }
 130
 131 static HRESULT register_d3d10core_layers(HMODULE d3d10core)
 132 {
 133     EnterCriticalSection(&dxgi_cs);
 134
 135     if (!dxgi_main.d3d10core)
 136     {
 137         HRESULT hr;
 138         HRESULT (WINAPI *d3d10core_register_layers)(void);
 139         HMODULE mod;
 140         BOOL ret;
 141
 142         ret = GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCSTR)d3d10core, &mod);
 143         if (!ret)
 144         {
 145             LeaveCriticalSection(&dxgi_cs);
 146             return E_FAIL;
 147         }
 148
 149         d3d10core_register_layers = (void *)GetProcAddress(mod, "D3D10CoreRegisterLayers");
 150         hr = d3d10core_register_layers();
 151         if (FAILED(hr))
 152         {
 153             ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 154             LeaveCriticalSection(&dxgi_cs);
 155             return hr;
 156         }
 157
 158         dxgi_main.d3d10core = mod;
 159     }
 160
 161     LeaveCriticalSection(&dxgi_cs);
 162
 163     return S_OK;
 164 }
 165
 166 HRESULT WINAPI DXGID3D10CreateDevice(HMODULE d3d10core, IDXGIFactory *factory, IDXGIAdapter *adapter,
 167         UINT flags, void *unknown0, void **device)
 168 {
 169     struct layer_get_size_args get_size_args;
 170     struct dxgi_device *dxgi_device;
 171     struct dxgi_device_layer d3d10_layer;
 172     UINT device_size;
 173     DWORD count;
 174     HRESULT hr;
 175
 176     TRACE("d3d10core %p, factory %p, adapter %p, flags %#x, unknown0 %p, device %p.\n",
 177             d3d10core, factory, adapter, flags, unknown0, device);
 178
 179     hr = register_d3d10core_layers(d3d10core);
 180     if (FAILED(hr))
 181     {
 182         ERR("Failed to register d3d10core layers, returning %#x\n", hr);
 183         return hr;
 184     }
 185
 186     if (!get_layer(DXGI_DEVICE_LAYER_D3D10_DEVICE, &d3d10_layer))
 187     {
 188         ERR("Failed to get D3D10 device layer\n");
 189         return E_FAIL;
 190     }
 191
 192     count = 0;
 193     hr = d3d10_layer.init(d3d10_layer.id, &count, NULL);
 194     if (FAILED(hr))
 195     {
 196         WARN("Failed to initialize D3D10 device layer\n");
 197         return E_FAIL;
 198     }
 199
 200     get_size_args.unknown0 = 0;
 201     get_size_args.unknown1 = 0;
 202     get_size_args.unknown2 = NULL;
 203     get_size_args.unknown3 = NULL;
 204     get_size_args.adapter = adapter;
 205     get_size_args.interface_major = 10;
 206     get_size_args.interface_minor = 1;
 207     get_size_args.version_build = 4;
 208     get_size_args.version_revision = 6000;
 209
 210     device_size = d3d10_layer.get_size(d3d10_layer.id, &get_size_args, 0);
 211     device_size += sizeof(*dxgi_device);
 212
 213     dxgi_device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device_size);
 214     if (!dxgi_device)
 215     {
 216         ERR("Failed to allocate device memory\n");
 217         return E_OUTOFMEMORY;
 218     }
 219
 220     hr = dxgi_device_init(dxgi_device, &d3d10_layer, factory, adapter);
 221     if (FAILED(hr))
 222     {
 223         WARN("Failed to initialize device, hr %#x.\n", hr);
 224         HeapFree(GetProcessHeap(), 0, dxgi_device);
 225         *device = NULL;
 226         return hr;
 227     }
 228
 229     TRACE("Created device %p.\n", dxgi_device);
 230     *device = dxgi_device;
 231
 232     return S_OK;
 233 }
 234
 235 HRESULT WINAPI DXGID3D10RegisterLayers(const struct dxgi_device_layer *layers, UINT layer_count)
 236 {
 237     UINT i;
 238     struct dxgi_device_layer *new_layers;
 239
 240     TRACE("layers %p, layer_count %u\n", layers, layer_count);
 241
 242     EnterCriticalSection(&dxgi_cs);
 243
 244     if (!dxgi_main.layer_count)
 245         new_layers = HeapAlloc(GetProcessHeap(), 0, layer_count * sizeof(*new_layers));
 246     else
 247         new_layers = HeapReAlloc(GetProcessHeap(), 0, dxgi_main.device_layers,
 248                 (dxgi_main.layer_count + layer_count) * sizeof(*new_layers));
 249
 250     if (!new_layers)
 251     {
 252         LeaveCriticalSection(&dxgi_cs);
 253         ERR("Failed to allocate layer memory\n");
 254         return E_OUTOFMEMORY;
 255     }
 256
 257     for (i = 0; i < layer_count; ++i)
 258     {
 259         const struct dxgi_device_layer *layer = &layers[i];
 260
 261         TRACE("layer %d: id %#x, init %p, get_size %p, create %p\n",
 262                 i, layer->id, layer->init, layer->get_size, layer->create);
 263
 264         new_layers[dxgi_main.layer_count + i] = *layer;
 265     }
 266
 267     dxgi_main.device_layers = new_layers;
 268     dxgi_main.layer_count += layer_count;
 269
 270     LeaveCriticalSection(&dxgi_cs);
 271
 272     return S_OK;
 273 }