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shader: preserve untouched half in VOP1 B16 writes (#370)

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shader: preserve native 16-bit destinations

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
GodsWill Devandnmzik authored and GitHub committed 2026-08-30 19:33:26 +04:00
1 parent 18af08460f
commit 9992ab18fc
8 files changed
+244 -90
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src/graphics/shader/recompiler/frontend/translate/Convert.cpp
+4 -2
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@@ -141,8 +141,10 @@ void Translator::V_CVT_OFF_F32_I4(const Decoder::Instruction& inst) {
}
void Translator::V_CVT_PKRTZ_F16_F32(const Decoder::Instruction& inst) {
const auto lhs = ReadOperand(SourceAt(inst, 0), IR::Type::F32);
const auto rhs = ReadOperand(SourceAt(inst, 1), IR::Type::F32);
const auto lhs = ApplyF32ResultModifiers(
inst.dst, IR::F32(ReadOperand(SourceAt(inst, 0), IR::Type::F32)));
const auto rhs = ApplyF32ResultModifiers(
inst.dst, IR::F32(ReadOperand(SourceAt(inst, 1), IR::Type::F32)));
WriteOperand(DestinationOperand(inst), ir.Emit(IR::ValueOpcode::PackFloat2x16Rtz, {lhs, rhs}));
}