1/*
2 * Copyright (C) 2020 Collabora, Ltd.
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 (Collabora):
24 *      Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
25 */
26
27#ifndef __PAN_LOWER_FRAMEBUFFER_H
28#define __PAN_LOWER_FRAMEBUFFER_H
29
30#include "compiler/nir/nir.h"
31#include "util/format/u_format.h"
32
33/* NATIVE formats can use a typed load/store. PACK formats cannot but can use a
34 * typed pack/unpack instruction. SOFTWARE formats are lowered */
35
36enum pan_format_class {
37        PAN_FORMAT_NATIVE,
38        PAN_FORMAT_PACK,
39        PAN_FORMAT_SOFTWARE
40};
41
42nir_alu_type pan_unpacked_type_for_format(const struct util_format_description *desc);
43
44bool pan_lower_framebuffer(nir_shader *shader,
45                           const enum pipe_format *rt_fmts,
46                           uint8_t raw_fmt_mask,
47                           bool is_blend, unsigned quirks);
48
49#endif
50