1/*
2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
4 * Copyright © 2017 Intel Corporation
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * IN THE SOFTWARE.
24 */
25
26#include <stdlib.h>
27#include <string.h>
28#include "vk_util.h"
29
30uint32_t vk_get_driver_version(void)
31{
32   const char *minor_string = strchr(PACKAGE_VERSION, '.');
33   const char *patch_string = minor_string ? strchr(minor_string + 1, '.') : NULL;
34   int major = atoi(PACKAGE_VERSION);
35   int minor = minor_string ? atoi(minor_string + 1) : 0;
36   int patch = patch_string ? atoi(patch_string + 1) : 0;
37   if (strstr(PACKAGE_VERSION, "devel")) {
38      if (patch == 0) {
39         patch = 99;
40         if (minor == 0) {
41            minor = 99;
42            --major;
43         } else
44            --minor;
45      } else
46         --patch;
47   }
48   return VK_MAKE_VERSION(major, minor, patch);
49}
50
51uint32_t vk_get_version_override(void)
52{
53   const char *str = getenv("MESA_VK_VERSION_OVERRIDE");
54   if (str == NULL)
55      return 0;
56
57   const char *minor_str = strchr(str, '.');
58   const char *patch_str = minor_str ? strchr(minor_str + 1, '.') : NULL;
59
60   int major = atoi(str);
61   int minor = minor_str ? atoi(minor_str + 1) : 0;
62   int patch = patch_str ? atoi(patch_str + 1) : 0;
63
64   /* Do some basic version sanity checking */
65   if (major < 1 || minor < 0 || patch < 0 || minor > 1023 || patch > 4095)
66      return 0;
67
68   return VK_MAKE_VERSION(major, minor, patch);
69}
70