1/*
2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23
24#ifndef R300_TEXTURE_DESC_H
25#define R300_TEXTURE_DESC_H
26
27#include "pipe/p_format.h"
28#include "r300_context.h"
29
30struct pipe_resource;
31struct r300_screen;
32struct r300_texture_desc;
33struct r300_resource;
34
35enum r300_dim {
36    DIM_WIDTH  = 0,
37    DIM_HEIGHT = 1
38};
39
40unsigned r300_get_pixel_alignment(enum pipe_format format,
41                                  unsigned num_samples,
42                                  enum radeon_bo_layout microtile,
43                                  enum radeon_bo_layout macrotile,
44                                  enum r300_dim dim, boolean is_rs690);
45
46void r300_texture_desc_init(struct r300_screen *rscreen,
47                            struct r300_resource *tex,
48                            const struct pipe_resource *base);
49
50unsigned r300_texture_get_offset(struct r300_resource *tex,
51                                 unsigned level, unsigned layer);
52
53unsigned r300_stride_to_width(enum pipe_format format,
54                              unsigned stride_in_bytes);
55
56#endif
57