1 /*
2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #ifndef U_DRM_H
26 #define U_DRM_H
27
28 #include <stdint.h>
29 #include <stdbool.h>
30
31 /* Does the u64 array contain the listed u64? */
32
33 static inline bool
util_array_contains_u64(uint64_t needle,const uint64_t * haystack,unsigned count)34 util_array_contains_u64(uint64_t needle, const uint64_t *haystack, unsigned count)
35 {
36 unsigned i;
37
38 for (i = 0; i < count; i++) {
39 if (haystack[i] == needle)
40 return true;
41 }
42
43 return false;
44 }
45
46 /* Given a list of DRM modifiers and a desired modifier, returns whether the
47 * modifier is found */
48
49 static inline bool
drm_find_modifier(uint64_t modifier,const uint64_t * modifiers,unsigned count)50 drm_find_modifier(uint64_t modifier, const uint64_t *modifiers, unsigned count)
51 {
52 return util_array_contains_u64(modifier, modifiers, count);
53 }
54
55 #endif
56