2 * Copyright (C) 2020 Collabora Ltd.
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:
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
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
23 * Authors (Collabora):
24 * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
28 #include "util/macros.h"
30 /* Converts a per-component mask to a byte mask */
33 pan_to_bytemask(unsigned bytes
, unsigned mask
)
42 ((mask
& 0x2) << (2 - 1)) |
43 ((mask
& 0x4) << (4 - 2)) |
44 ((mask
& 0x8) << (6 - 3)) |
45 ((mask
& 0x10) << (8 - 4)) |
46 ((mask
& 0x20) << (10 - 5)) |
47 ((mask
& 0x40) << (12 - 6)) |
48 ((mask
& 0x80) << (14 - 7));
50 return space
| (space
<< 1);
56 ((mask
& 0x2) << (4 - 1)) |
57 ((mask
& 0x4) << (8 - 2)) |
58 ((mask
& 0x8) << (12 - 3));
60 return space
| (space
<< 1) | (space
<< 2) | (space
<< 3);
64 unsigned A
= (mask
& 0x1) ? 0xFF : 0x00;
65 unsigned B
= (mask
& 0x2) ? 0xFF : 0x00;
70 unreachable("Invalid register mode");
75 pan_block_add_successor(pan_block
*block
, pan_block
*successor
)
80 for (unsigned i
= 0; i
< ARRAY_SIZE(block
->successors
); ++i
) {
81 if (block
->successors
[i
]) {
82 if (block
->successors
[i
] == successor
)
88 block
->successors
[i
] = successor
;
89 _mesa_set_add(successor
->predecessors
, block
);
93 unreachable("Too many successors");