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 
30 struct pipe_resource;
31 struct r300_screen;
32 struct r300_texture_desc;
33 struct r300_resource;
34 
35 enum r300_dim {
36     DIM_WIDTH  = 0,
37     DIM_HEIGHT = 1
38 };
39 
40 unsigned 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 
46 void r300_texture_desc_init(struct r300_screen *rscreen,
47                             struct r300_resource *tex,
48                             const struct pipe_resource *base);
49 
50 unsigned r300_texture_get_offset(struct r300_resource *tex,
51                                  unsigned level, unsigned layer);
52 
53 unsigned r300_stride_to_width(enum pipe_format format,
54                               unsigned stride_in_bytes);
55 
56 #endif
57