1/*
2 * Copyright (C) 2012-2013 Rob Clark <robclark@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#ifndef FD2_UTIL_H_
28#define FD2_UTIL_H_
29
30#include "freedreno_util.h"
31
32#include "a2xx.xml.h"
33
34struct surface_format {
35/* If enum is a signed type, 0x7f is out of range. Cast it to avoid warnings. */
36#define FMT_INVALID ((enum a2xx_sq_surfaceformat)0x7f)
37   enum a2xx_sq_surfaceformat format : 7;
38   enum sq_tex_sign sign : 2;
39   enum sq_tex_num_format num_format : 1;
40   int exp_adjust : 6;
41};
42
43struct surface_format fd2_pipe2surface(enum pipe_format format);
44enum a2xx_colorformatx fd2_pipe2color(enum pipe_format format);
45uint32_t fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r,
46                      unsigned swizzle_g, unsigned swizzle_b,
47                      unsigned swizzle_a);
48uint32_t fd2_vtx_swiz(enum pipe_format format, unsigned swizzle);
49
50/* convert x,y to dword */
51static inline uint32_t
52xy2d(uint16_t x, uint16_t y)
53{
54   return ((y & 0x3fff) << 16) | (x & 0x3fff);
55}
56
57#endif /* FD2_UTIL_H_ */
58