fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-27 17:30:37 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

r600/sfn: Take source uses into account when switching channels

Browse source 
When we switch the channels by re-creating vec4 values we have to
take into account that the source values may be used in an ALU op,
and with that we have to take read-port limitations into account.

Fixes: 18a8d148d8
    r600/sfn: Cleanup copy-prop into vec4 source values

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24519>
This commit is contained in:
Gert Wollny 2023-08-06 20:42:07 +02:00 • committed by Marge Bot
parent bcfa71a6d0
commit 807c0d6bb7
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/gallium/drivers/r600/sfn/sfn_optimizer.cpp
View file

@ -592,6 +592,12 @@ CopyPropFwdVisitor::propagate_to(RegisterVec4& value, Instr *instr)
allowed_mask &= alu->allowed_dest_chan_mask();
}
for (auto u : src->uses()) {
auto alu = u->as_alu();
if (alu)
allowed_mask &= alu->allowed_src_chan_mask();
}
if (!allowed_mask)
return;