1/*
2 * Copyright (C) 2008 VMware, Inc.
3 * Copyright (C) 2014 Broadcom
4 * Copyright (C) 2018-2019 Alyssa Rosenzweig
5 * Copyright (C) 2019-2020 Collabora, Ltd.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 *
26 */
27
28#ifndef __PAN_FORMAT_H
29#define __PAN_FORMAT_H
30
31#include "genxml/gen_macros.h"
32
33#include "util/format/u_format.h"
34
35/* Formats */
36
37typedef uint32_t mali_pixel_format;
38
39struct panfrost_format {
40        mali_pixel_format hw;
41        unsigned bind;
42};
43
44struct pan_blendable_format {
45        /* enum mali_color_buffer_internal_format */ uint16_t internal;
46        /* enum mali_mfbd_color_format */ uint16_t writeback;
47
48        /* Indexed by the dithered? flag. So _PU first, then _AU */
49        mali_pixel_format bifrost[2];
50};
51
52extern const struct pan_blendable_format panfrost_blendable_formats_v6[PIPE_FORMAT_COUNT];
53extern const struct pan_blendable_format panfrost_blendable_formats_v7[PIPE_FORMAT_COUNT];
54extern const struct pan_blendable_format panfrost_blendable_formats_v9[PIPE_FORMAT_COUNT];
55extern const struct panfrost_format panfrost_pipe_format_v6[PIPE_FORMAT_COUNT];
56extern const struct panfrost_format panfrost_pipe_format_v7[PIPE_FORMAT_COUNT];
57extern const struct panfrost_format panfrost_pipe_format_v9[PIPE_FORMAT_COUNT];
58
59/* Helpers to construct swizzles */
60
61#define PAN_V6_SWIZZLE(R, G, B, A) ( \
62        ((MALI_CHANNEL_ ## R) << 0) | \
63        ((MALI_CHANNEL_ ## G) << 3) | \
64        ((MALI_CHANNEL_ ## B) << 6) | \
65        ((MALI_CHANNEL_ ## A) << 9))
66
67static inline unsigned
68panfrost_get_default_swizzle(unsigned components)
69{
70        switch (components) {
71        case 1:
72                return PAN_V6_SWIZZLE(R, 0, 0, 1);
73        case 2:
74                return PAN_V6_SWIZZLE(R, G, 0, 1);
75        case 3:
76                return PAN_V6_SWIZZLE(R, G, B, 1);
77        case 4:
78                return PAN_V6_SWIZZLE(R, G, B, A);
79        default:
80                unreachable("Invalid number of components");
81        }
82}
83
84#endif
85