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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3770 | Serge | 1 | /* |
| 2 | * Copyright 2013 VMware, Inc. |
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| 3 | * All Rights Reserved. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the |
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| 7 | * "Software"), to deal in the Software without restriction, including |
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| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 9 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 10 | * permit persons to whom the Software is furnished to do so, subject to |
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| 11 | * the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the |
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| 14 | * next paragraph) shall be included in all copies or substantial portions |
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| 15 | * of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 21 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 22 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 23 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | */ |
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| 25 | |||
| 26 | |||
| 27 | #include "pipe/p_defines.h" |
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| 28 | #include "pipe/p_state.h" |
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| 29 | #include "util/u_format.h" |
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| 30 | #include "util/u_math.h" |
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| 31 | #include "util/u_resource.h" |
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| 32 | |||
| 33 | |||
| 34 | /** |
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| 35 | * Return the size of the resource in bytes. |
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| 36 | */ |
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| 37 | unsigned |
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| 38 | util_resource_size(const struct pipe_resource *res) |
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| 39 | { |
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| 40 | unsigned width = res->width0; |
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| 41 | unsigned height = res->height0; |
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| 42 | unsigned depth = res->depth0; |
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| 43 | unsigned size = 0; |
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| 44 | unsigned level; |
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| 45 | |||
| 46 | for (level = 0; level <= res->last_level; level++) { |
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| 47 | unsigned slices; |
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| 48 | |||
| 49 | if (res->target == PIPE_TEXTURE_CUBE) |
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| 50 | slices = 6; |
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| 51 | else if (res->target == PIPE_TEXTURE_3D) |
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| 52 | slices = depth; |
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| 53 | else |
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| 54 | slices = res->array_size; |
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| 55 | |||
| 56 | size += (util_format_get_nblocksy(res->format, height) * |
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| 57 | util_format_get_stride(res->format, width) * slices); |
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| 58 | |||
| 59 | width = u_minify(width, 1); |
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| 60 | height = u_minify(height, 1); |
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| 61 | depth = u_minify(depth, 1); |
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| 62 | } |
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| 63 | |||
| 64 | return size; |
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| 65 | } |