xref: /third_party/mesa3d/src/asahi/lib/agx_formats.h (revision bf215546)
1/*
2 * Copyright (C) 2021 Alyssa Rosenzweig
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 */
24
25#ifndef __AGX_FORMATS_H_
26#define __AGX_FORMATS_H_
27
28#include "util/format/u_format.h"
29#include "asahi/compiler/agx_compile.h"
30
31struct agx_pixel_format_entry {
32   uint16_t hw;
33   bool renderable : 1;
34   enum agx_format internal : 4;
35};
36
37extern const struct agx_pixel_format_entry agx_pixel_format[PIPE_FORMAT_COUNT];
38extern const enum agx_format agx_vertex_format[PIPE_FORMAT_COUNT];
39
40/* N.b. hardware=0 corresponds to R8 UNORM, which is renderable. So a zero
41 * entry indicates an invalid format. */
42
43static inline bool
44agx_is_valid_pixel_format(enum pipe_format format)
45{
46   struct agx_pixel_format_entry entry = agx_pixel_format[format];
47   return (entry.hw != 0) || entry.renderable;
48}
49
50#endif
51