1 /*
2 * Copyright © 2014-2018 NVIDIA 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 <fcntl.h>
25
26 #include "util/os_file.h"
27 #include "util/u_debug.h"
28
29 #include "tegra/tegra_screen.h"
30
31 struct pipe_screen *tegra_drm_screen_create(int fd);
32
tegra_drm_screen_create(int fd)33 struct pipe_screen *tegra_drm_screen_create(int fd)
34 {
35 struct pipe_screen *screen;
36
37 /*
38 * NOTE: There are reportedly issues with reusing the file descriptor
39 * as-is related to Xinerama. Duplicate it to side-step any issues.
40 */
41 fd = os_dupfd_cloexec(fd);
42 if (fd < 0)
43 return NULL;
44
45 screen = tegra_screen_create(fd);
46 if (!screen)
47 close(fd);
48
49 return screen;
50 }
51