2 * Copyright (C) 2019-2020 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
27 /* Model-specific quirks requiring compiler workarounds/etc. Quirks
28 * may be errata requiring a workaround, or features. We're trying to be
29 * quirk-positive here; quirky is the best! */
31 /* Whether this GPU lacks support for the preload mechanism. New GPUs can have
32 * varyings and textures preloaded into the fragment shader to amortize the I/O
33 * cost; early Bifrost models lacked this feature. */
35 #define BIFROST_NO_PRELOAD (1 << 0)
37 /* Whether this GPU lacks support for the _FAST family of opcodes for fast
38 * computation of special functions requiring lookup tables. Early GPUs require
39 * rather unweildly lowering mechanisms for thesr things. */
41 #define BIFROST_NO_FAST_OP (1 << 1)
43 static inline unsigned
44 bifrost_get_quirks(unsigned product_id
)
46 switch (product_id
>> 12) {
48 return BIFROST_NO_PRELOAD
|
56 unreachable("Unknown Bifrost GPU ID");