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
37 typedef uint32_t mali_pixel_format;
38
39 struct panfrost_format {
40 mali_pixel_format hw;
41 unsigned bind;
42 };
43
44 struct 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
52 extern const struct pan_blendable_format panfrost_blendable_formats_v6[PIPE_FORMAT_COUNT];
53 extern const struct pan_blendable_format panfrost_blendable_formats_v7[PIPE_FORMAT_COUNT];
54 extern const struct panfrost_format panfrost_pipe_format_v6[PIPE_FORMAT_COUNT];
55 extern const struct panfrost_format panfrost_pipe_format_v7[PIPE_FORMAT_COUNT];
56
57 /* Helpers to construct swizzles */
58
59 #define PAN_V6_SWIZZLE(R, G, B, A) ( \
60 ((MALI_CHANNEL_ ## R) << 0) | \
61 ((MALI_CHANNEL_ ## G) << 3) | \
62 ((MALI_CHANNEL_ ## B) << 6) | \
63 ((MALI_CHANNEL_ ## A) << 9))
64
65 static inline unsigned
panfrost_get_default_swizzle(unsigned components)66 panfrost_get_default_swizzle(unsigned components)
67 {
68 switch (components) {
69 case 1:
70 return PAN_V6_SWIZZLE(R, 0, 0, 1);
71 case 2:
72 return PAN_V6_SWIZZLE(R, G, 0, 1);
73 case 3:
74 return PAN_V6_SWIZZLE(R, G, B, 1);
75 case 4:
76 return PAN_V6_SWIZZLE(R, G, B, A);
77 default:
78 unreachable("Invalid number of components");
79 }
80 }
81
82 #endif
83