fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-24 14:40:21 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

nak/from_nir: Fix fquantize crash on < SM70
Some checks are pending
macOS-CI / macOS-CI (dri) (push) Waiting to run
Details
macOS-CI / macOS-CI (xlib) (push) Waiting to run
Details

Browse source 
Fixes: f21557154b ("nak/from_nir: Turn srcs into a closure")
Signed-off-by: Lorenzo Rossi <snowycoder@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34961>
This commit is contained in:
Lorenzo Rossi 2025-05-13 19:15:19 +02:00 • committed by Marge Bot
parent efb440a3d8
commit e12ddbfd78
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/nouveau/compiler/nak/from_nir.rs
View file

@ -1197,10 +1197,11 @@ impl<'a> ShaderFromNir<'a> {
dst.into()
}
nir_op_fquantize2f16 => {
let src0 = srcs(0);
let tmp = b.alloc_ssa(RegFile::GPR);
b.push_op(OpF2F {
dst: tmp.into(),
src: srcs(0),
src: src0.clone(),
src_type: FloatType::F32,
dst_type: FloatType::F16,
rnd_mode: FRndMode::NearestEven,
@ -1225,12 +1226,11 @@ impl<'a> ShaderFromNir<'a> {
// that manually
let denorm = b.fsetp(
FloatCmpOp::OrdLt,
srcs(0).fabs(),
src0.clone().fabs(),
0x38800000.into(),
);
// Get the correctly signed zero
let zero =
b.lop2(LogicOp2::And, srcs(0), 0x80000000.into());
let zero = b.lop2(LogicOp2::And, src0, 0x80000000.into());
b.sel(denorm.into(), zero.into(), dst.into())
} else {
dst