2 * Copyright 2013 VMware, Inc.
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:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
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.
27 #include "pipe/p_defines.h"
28 #include "pipe/p_state.h"
29 #include "util/format/u_format.h"
30 #include "util/u_math.h"
31 #include "util/u_resource.h"
35 * Return the size of the resource in bytes.
38 util_resource_size(const struct pipe_resource
*res
)
40 unsigned width
= res
->width0
;
41 unsigned height
= res
->height0
;
42 unsigned depth
= res
->depth0
;
45 unsigned samples
= MAX2(1, res
->nr_samples
);
47 for (level
= 0; level
<= res
->last_level
; level
++) {
50 if (res
->target
== PIPE_TEXTURE_CUBE
)
52 else if (res
->target
== PIPE_TEXTURE_3D
)
55 slices
= res
->array_size
;
57 size
+= (util_format_get_nblocksy(res
->format
, height
) *
58 util_format_get_stride(res
->format
, width
) * slices
* samples
);
60 width
= u_minify(width
, 1);
61 height
= u_minify(height
, 1);
62 depth
= u_minify(depth
, 1);