1 /*
2 * Copyright 2013 VMware, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26 #ifndef U_RESOURCE_H
27 #define U_RESOURCE_H
28
29 #include "pipe/p_state.h"
30
31 unsigned
32 util_resource_size(const struct pipe_resource *res);
33
34 unsigned
35 util_resource_num(const struct pipe_resource *res);
36
37 struct pipe_resource *
38 util_resource_at_index(const struct pipe_resource *res, unsigned index);
39
40 /**
41 * Return true if the texture target is an array type.
42 *
43 * Note that this function returns true for single-layered array textures.
44 */
45 static inline bool
util_texture_is_array(enum pipe_texture_target target)46 util_texture_is_array(enum pipe_texture_target target)
47 {
48 switch (target) {
49 case PIPE_TEXTURE_1D_ARRAY:
50 case PIPE_TEXTURE_2D_ARRAY:
51 case PIPE_TEXTURE_CUBE_ARRAY:
52 return true;
53 default:
54 return false;
55 }
56 }
57
58 #endif
59