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Recognize packed descriptor keys in GPU sampler waterfalls

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This commit is contained in:
nmzik
2026-10-19 00:30:40 +02:00
parent ab8566591f
commit bb505a3ae8
3 changed files with 159 additions and 39 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceTracking.cpp
+6 -4
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@@ -2850,7 +2850,7 @@ private:
} else result.maximum = std::max(result.maximum, SelectorMaximum(key, {}, 0u, active));
}
}
if (lane != nullptr) result = SelectedFiniteDomain(*lane, handle != nullptr ? lane->Arg(1) : Value {});
if (lane != nullptr) result = SelectedSelectorDomain(*lane, handle != nullptr ? lane->Arg(1) : Value {});
else if (handle == nullptr) result.maximum = SelectorMaximum(key);
if (result.maximum > UINT32_MAX / 4u ||
uint64_t {result.maximum} * indirect.table_stride + indirect.table_offset > UINT32_MAX)
@@ -3405,10 +3405,12 @@ private:
return found ? SelectorDomain {maximum, counted ? count : Value {}} : SelectorDomain {};
}
SelectorDomain SelectedFiniteDomain(const Inst& lane, Value guard) const {
SelectorDomain SelectedSelectorDomain(const Inst& lane, Value guard) const {
if (guard.IsEmpty() ? !HasActiveLane(lane.Arg(1), lane.Parent())
: !Implies(guard, lane.Arg(1))) return {};
return FiniteSelectorDomain(lane.Arg(0), lane.Arg(1));
auto result = FiniteSelectorDomain(lane.Arg(0), lane.Arg(1));
if (result.maximum == UINT32_MAX) result.maximum = PossibleU32Bits(lane.Arg(0));
return result;
}
uint32_t SelectorMaximum(Value value, SelectorBounds bounds = {}, uint32_t depth = 0,
@@ -3425,7 +3427,7 @@ private:
};
switch (inst->GetOpcode()) {
case ValueOpcode::ReadFirstLane:
return SelectedFiniteDomain(*inst, guard).maximum;
return SelectedSelectorDomain(*inst, guard).maximum;
case ValueOpcode::ReadLane:
// ReadLane ignores EXEC; only context-free bounds on every source lane apply.
return PossibleU32Bits(inst->Arg(0));