• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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