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 #include "pipe-loader/pipe_loader.h"
24 #include "pipe/p_screen.h"
25
26 #include "util/u_memory.h"
27 #include "vl/vl_winsys.h"
28
29 #include "gallium/winsys/sw/gdi/gdi_sw_winsys.h"
30 #include "gallium/drivers/d3d12/d3d12_public.h"
31 #include <unknwn.h>
32
33 struct vl_win32_screen
34 {
35 struct vl_screen base;
36 LUID *adapter_luid;
37 struct sw_winsys* winsys;
38 };
39
40 static void
vl_win32_screen_destroy(struct vl_screen * vscreen)41 vl_win32_screen_destroy(struct vl_screen *vscreen)
42 {
43 if (vscreen == NULL)
44 return;
45
46 struct vl_win32_screen* w32screen = (struct vl_win32_screen*) vscreen;
47 if (w32screen->winsys)
48 w32screen->winsys->destroy(w32screen->winsys);
49
50 if (vscreen->pscreen)
51 vscreen->pscreen->destroy(vscreen->pscreen);
52
53 if (vscreen->dev)
54 pipe_loader_release(&vscreen->dev, 1);
55
56 FREE(vscreen);
57 }
58
59 struct vl_screen *
vl_win32_screen_create(LUID * adapter)60 vl_win32_screen_create(LUID *adapter)
61 {
62 struct vl_win32_screen *vscreen = CALLOC_STRUCT(vl_win32_screen);
63 if (!vscreen)
64 return NULL;
65
66 vscreen->winsys = gdi_create_sw_winsys(gdi_sw_acquire_hdc_by_value, gdi_sw_release_hdc_by_value);
67 if (!vscreen->winsys)
68 goto release_pipe;
69
70 /* If adapter is null, d3d12_create_dxcore_screen will choose one */
71 vscreen->base.pscreen = d3d12_create_dxcore_screen(vscreen->winsys, adapter);
72
73 if (!vscreen->base.pscreen)
74 goto release_pipe;
75
76 vscreen->adapter_luid = adapter;
77
78 vscreen->base.destroy = vl_win32_screen_destroy;
79 vscreen->base.get_private = NULL;
80 vscreen->base.texture_from_drawable = NULL;
81 vscreen->base.get_dirty_area = NULL;
82
83 return &vscreen->base;
84
85 release_pipe:
86 vl_win32_screen_destroy(&vscreen->base);
87 return NULL;
88 }
89
90 struct vl_screen *
vl_win32_screen_create_from_d3d12_device(IUnknown * d3d12_device,struct sw_winsys * winsys)91 vl_win32_screen_create_from_d3d12_device(IUnknown* d3d12_device, struct sw_winsys* winsys)
92 {
93 struct vl_win32_screen *vscreen = CALLOC_STRUCT(vl_win32_screen);
94 if (!vscreen)
95 return NULL;
96
97 vscreen->base.pscreen = d3d12_create_dxcore_screen_from_d3d12_device(winsys, d3d12_device, &vscreen->adapter_luid);
98
99 if (!vscreen->base.pscreen)
100 goto release_pipe;
101
102 vscreen->base.destroy = vl_win32_screen_destroy;
103 vscreen->base.get_private = NULL;
104 vscreen->base.texture_from_drawable = NULL;
105 vscreen->base.get_dirty_area = NULL;
106
107 return &vscreen->base;
108
109 release_pipe:
110 vl_win32_screen_destroy(&vscreen->base);
111 return NULL;
112 }
113