shader: fix crash from packed ancillary used as DPP old operand (#1769)

shader: emit plain EXEC selects for DPP writes that reach every active lane (Street Fighter 6)
This commit is contained in:
Felipe
2026-10-23 04:51:32 -03:00
committed by GitHub
parent 719c44310a
commit 9dcff95e80
3 changed files with 19 additions and 2 deletions
@@ -132,7 +132,7 @@ uint32_t EmitDppWriteCondition(ValueEmitContext& ctx, const IR::DppMoveFlags& fl
enable(flags.bank_mask, 2u);
enable(flags.row_mask, 4u);
// Only row shifts (0x101-0x10f, 0x111-0x11f) can vacate a lane; other controls always read one.
const bool row_shift = !flags.dpp8 && flags.control > 0x100u && flags.control < 0x120u &&
const bool row_shift = flags.control > 0x100u && flags.control < 0x120u &&
flags.control != 0x110u;
if (!flags.bound_control && row_shift) {
writable = Binary(state, spv::OpLogicalAnd, TypeBool(state), writable,