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shader: support unsigned 16-bit multiply-add

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nmzik committed 2026-10-28 22:41:29 +01:00
1 parent 0386f33bf3
commit 22610cb93e
7 files changed
+79 -11
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src/graphics/shader/recompiler/frontend/translate/Integer.cpp
+5 -5
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@@ -20,12 +20,12 @@ void Translator::Integer16Binary(const Decoder::Instruction& inst, IR::ValueOpco
Write16Bits(DestinationOperand(inst), result);
}
void Translator::V_MAD_I16(const Decoder::Instruction& inst) {
const auto lhs = ReadU16AsU32(inst.src0, true);
const auto rhs = ReadU16AsU32(inst.src1, true);
auto result = ir.IAdd(ir.IMul(lhs, rhs), ReadU16AsU32(inst.src2, true));
void Translator::Integer16Mad(const Decoder::Instruction& inst, bool sign) {
const auto lhs = ReadU16AsU32(inst.src0, sign);
const auto rhs = ReadU16AsU32(inst.src1, sign);
auto result = ir.IAdd(ir.IMul(lhs, rhs), ReadU16AsU32(inst.src2, sign));
if (inst.dst.clamp) {
result = Saturate16(result, true);
result = Saturate16(result, sign);
}
Write16Bits(DestinationOperand(inst), result);
}