e9ed482aa56bc99959e14ef0cd6795ccec4b84ff
[reactos.git] / reactos / dll / directx / 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 }