1/*
2 * Copyright © Microsoft Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#define COBJMACROS
25#include "dzn_physical_device_enum.h"
26#include "dzn_dxgi.h"
27
28#include "log.h"
29
30VkResult
31dzn_enumerate_physical_devices_dxgi(struct dzn_instance *instance)
32{
33   IDXGIFactory4 *factory = dxgi_get_factory(false);
34   IDXGIAdapter1 *adapter = NULL;
35   VkResult result = VK_SUCCESS;
36   for (UINT i = 0; SUCCEEDED(IDXGIFactory4_EnumAdapters1(factory, i, &adapter)); ++i) {
37      DXGI_ADAPTER_DESC1 dxgi_desc;
38      IDXGIAdapter1_GetDesc1(adapter, &dxgi_desc);
39
40      struct dzn_physical_device_desc desc = {
41         .adapter_luid = dxgi_desc.AdapterLuid,
42         .vendor_id = dxgi_desc.VendorId,
43         .device_id = dxgi_desc.DeviceId,
44         .subsys_id = dxgi_desc.SubSysId,
45         .revision = dxgi_desc.Revision,
46         .shared_system_memory = dxgi_desc.SharedSystemMemory,
47         .dedicated_system_memory = dxgi_desc.DedicatedSystemMemory,
48         .dedicated_video_memory = dxgi_desc.DedicatedVideoMemory,
49         .is_warp = (dxgi_desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) != 0,
50      };
51      WideCharToMultiByte(CP_ACP, 0, dxgi_desc.Description, ARRAYSIZE(dxgi_desc.Description),
52                          desc.description, ARRAYSIZE(desc.description), NULL, NULL);
53      result =
54         dzn_instance_add_physical_device(instance, (IUnknown *)adapter, &desc);
55
56      IDXGIAdapter1_Release(adapter);
57
58      if (result != VK_SUCCESS)
59         break;
60    }
61
62   IDXGIFactory4_Release(factory);
63
64   return result;
65}
66
67IDXGIFactory4 *
68dxgi_get_factory(bool debug)
69{
70   static const GUID IID_IDXGIFactory4 = {
71      0x1bc6ea02, 0xef36, 0x464f,
72      { 0xbf, 0x0c, 0x21, 0xca, 0x39, 0xe5, 0x16, 0x8a }
73   };
74
75   HMODULE dxgi_mod = LoadLibraryA("DXGI.DLL");
76   if (!dxgi_mod) {
77      mesa_loge("failed to load DXGI.DLL\n");
78      return NULL;
79   }
80
81   typedef HRESULT(WINAPI *PFN_CREATE_DXGI_FACTORY2)(UINT flags, REFIID riid, void **ppFactory);
82   PFN_CREATE_DXGI_FACTORY2 CreateDXGIFactory2;
83
84   CreateDXGIFactory2 = (PFN_CREATE_DXGI_FACTORY2)GetProcAddress(dxgi_mod, "CreateDXGIFactory2");
85   if (!CreateDXGIFactory2) {
86      mesa_loge("failed to load CreateDXGIFactory2 from DXGI.DLL\n");
87      return NULL;
88   }
89
90   UINT flags = 0;
91   if (debug)
92      flags |= DXGI_CREATE_FACTORY_DEBUG;
93
94   IDXGIFactory4 *factory;
95   HRESULT hr = CreateDXGIFactory2(flags, &IID_IDXGIFactory4, (void **)&factory);
96   if (FAILED(hr)) {
97      mesa_loge("CreateDXGIFactory2 failed: %08x\n", (int32_t)hr);
98      return NULL;
99   }
100
101   return factory;
102}
103