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shader: implement s_bfe_i32

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nmzik
2026-08-16 00:42:04 +02:00
parent b4809e7170
commit 7556a74f19
8 changed files with 60 additions and 6 deletions
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src/graphics/shader/recompiler/frontend/translate/Integer.cpp
+6 -2
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@@ -515,14 +515,18 @@ bool Translator::TranslateExtendedInteger(const IR::Instruction& inst) {
result = ir.Emit(IR::ValueOpcode::ShiftLeftLogical64, {right_mask64(count), offset});
break;
}
case IR::Opcode::BitFieldExtractU32: {
case IR::Opcode::BitFieldExtractU32:
case IR::Opcode::BitFieldExtractI32: {
const auto source = ReadU32(inst.src[0]);
const auto field = ReadU32(inst.src[1]);
const auto offset = extract(field, imm(0), imm(5), false);
const auto count =
IR::U32(ir.Emit(IR::ValueOpcode::UMin32, {extract(field, imm(16), imm(7), false),
ir.ISub(imm(32), offset)}));
result = ir.Emit(IR::ValueOpcode::BitFieldUExtract, {source, offset, count});
const auto opcode = inst.op == IR::Opcode::BitFieldExtractI32
? IR::ValueOpcode::BitFieldSExtract
: IR::ValueOpcode::BitFieldUExtract;
result = ir.Emit(opcode, {source, offset, count});
break;
}
case IR::Opcode::BitFieldExtractU64: {