mirrors
/
mesa
mirror of https://gitlab.freedesktop.org/mesa/mesa
1
0
Fork 0
Code Issues 9 Packages Projects Releases Wiki Activity

nak: Don't saturate depth writes 

This is unnecessary in Vulkan and prevents unrestricted depth.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28958>
This commit is contained in:
Faith Ekstrand 2024-05-02 11:27:02 -05:00 committed by Marge Bot
parent c6dc61775f
commit 14d749f13d
1 changed files with 1 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/nouveau/compiler/nak/from_nir.rs
View File

@ -2265,20 +2265,7 @@ impl<'a> ShaderFromNir<'a> {
srcs.push(b.undef().into());
}
if info.writes_depth {
// Saturate depth writes.
//
// TODO: This seems wrong in light of unrestricted depth
// but it's needed to pass CTS tests for now.
let depth = self.fs_out_regs[depth_idx];
let sat_depth = b.alloc_ssa(RegFile::GPR, 1);
b.push_op(OpFAdd {
dst: sat_depth.into(),
srcs: [depth.into(), 0.into()],
saturate: true,
rnd_mode: FRndMode::NearestEven,
ftz: false,
});
srcs.push(sat_depth.into());
srcs.push(self.fs_out_regs[depth_idx].into());
}
}