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 #include <windows.h>
25
26 #include "d3d12_screen.h"
27 #include "d3d12_public.h"
28 #include "d3d12_debug.h"
29
30 #include "util/u_debug.h"
31 #include "util/u_memory.h"
32 #include "util/u_dl.h"
33
34 static const char*
dxgi_get_name(struct pipe_screen * screen)35 dxgi_get_name(struct pipe_screen *screen)
36 {
37 struct d3d12_dxgi_screen *dxgi_screen = d3d12_dxgi_screen(d3d12_screen(screen));
38 static char buf[1000];
39 if (dxgi_screen->description[0] == L'\0')
40 return "D3D12 (Unknown)";
41
42 snprintf(buf, sizeof(buf), "D3D12 (%S)", dxgi_screen->description);
43 return buf;
44 }
45
46 static void
dxgi_get_memory_info(struct d3d12_screen * screen,struct d3d12_memory_info * output)47 dxgi_get_memory_info(struct d3d12_screen *screen, struct d3d12_memory_info *output)
48 {
49 assert(0);
50 }
51
52 static void
d3d12_deinit_dxgi_screen(struct d3d12_screen * dscreen)53 d3d12_deinit_dxgi_screen(struct d3d12_screen *dscreen)
54 {
55 d3d12_deinit_screen(dscreen);
56 struct d3d12_dxgi_screen *screen = d3d12_dxgi_screen(dscreen);
57 if (screen->adapter) {
58 screen->adapter->Release();
59 screen->adapter = nullptr;
60 }
61 }
62
63 static void
d3d12_destroy_dxgi_screen(struct pipe_screen * pscreen)64 d3d12_destroy_dxgi_screen(struct pipe_screen *pscreen)
65 {
66 struct d3d12_screen *screen = d3d12_screen(pscreen);
67 d3d12_deinit_dxgi_screen(screen);
68 d3d12_destroy_screen(screen);
69 }
70
71 static bool
d3d12_init_dxgi_screen(struct d3d12_screen * dscreen)72 d3d12_init_dxgi_screen(struct d3d12_screen *dscreen)
73 {
74 if (!d3d12_init_screen(dscreen, NULL)) {
75 debug_printf("D3D12: failed to initialize DXGI screen\n");
76 return false;
77 }
78
79 struct d3d12_dxgi_screen *screen = d3d12_dxgi_screen(dscreen);
80 IDXGIDevice1 *dxgiDevice = nullptr;
81
82 if (FAILED(dscreen->dev->QueryInterface(IID_PPV_ARGS(&dxgiDevice)))) {
83 debug_printf("D3D12: failed to query dxgi interface\n");
84 return false;
85 }
86
87 if (FAILED(dxgiDevice->GetAdapter(&screen->adapter))) {
88 debug_printf("D3D12: failed to get adapter\n");
89 return false;
90 }
91
92 dxgiDevice->Release();
93 dxgiDevice = nullptr;
94
95 DXGI_ADAPTER_DESC adapter_desc = {};
96 HRESULT res = screen->adapter->GetDesc(&adapter_desc);
97 if (FAILED(res)) {
98 debug_printf("D3D12: failed to retrieve adapter description\n");
99 return false;
100 }
101
102 screen->base.driver_version = 0;
103 screen->base.vendor_id = adapter_desc.VendorId;
104 screen->base.device_id = adapter_desc.DeviceId;
105 screen->base.subsys_id = adapter_desc.SubSysId;
106 screen->base.revision = adapter_desc.Revision;
107 // Note: memory sizes in bytes, but stored in size_t, so may be capped at 4GB.
108 // In that case, adding before conversion to MB can easily overflow.
109 screen->base.memory_size_megabytes = (adapter_desc.DedicatedVideoMemory >> 20) +
110 (adapter_desc.DedicatedSystemMemory >> 20) +
111 (adapter_desc.SharedSystemMemory >> 20);
112 wcsncpy(screen->description, adapter_desc.Description, ARRAY_SIZE(screen->description));
113 screen->base.base.get_name = dxgi_get_name;
114 screen->base.get_memory_info = dxgi_get_memory_info;
115
116 return true;
117 }
118
119 struct pipe_screen*
d3d12_create_dxgi_screen(struct sw_winsys * winsys,LUID * adapter_luid)120 d3d12_create_dxgi_screen(struct sw_winsys *winsys, LUID *adapter_luid)
121 {
122 struct d3d12_dxgi_screen *screen = CALLOC_STRUCT(d3d12_dxgi_screen);
123 if (!screen)
124 return nullptr;
125
126 d3d12_init_screen_base(&screen->base, winsys, adapter_luid);
127 screen->base.base.destroy = d3d12_destroy_dxgi_screen;
128 screen->base.init = d3d12_init_dxgi_screen;
129 screen->base.deinit = d3d12_deinit_dxgi_screen;
130
131 if (!d3d12_init_dxgi_screen(&screen->base)) {
132 d3d12_destroy_dxgi_screen(&screen->base.base);
133 return nullptr;
134 }
135
136 return &screen->base.base;
137 }
138