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shader: Implement I2F

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This commit is contained in:
ReinUsesLisp 2021-03-20 05:04:12 -03:00 • committed by ameerj
parent 2b8d3555f1
commit 6398d03341
17 changed files with 429 additions and 70 deletions
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21
src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
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@ -121,6 +121,22 @@ IR::F64 TranslatorVisitor::GetDoubleCbuf(u64 insn) {
return ir.PackDouble2x32(ir.CompositeConstruct(lower_bits, value));
}
IR::U64 TranslatorVisitor::GetPackedCbuf(u64 insn) {
union {
u64 raw;
BitField<20, 1, u64> unaligned;
} const cbuf{insn};
if (cbuf.unaligned != 0) {
throw NotImplementedException("Unaligned packed constant buffer read");
}
const auto [binding, lower_offset]{CbufAddr(insn)};
const IR::U32 upper_offset{ir.Imm32(lower_offset.U32() + 4)};
const IR::U32 lower_value{ir.GetCbuf(binding, lower_offset)};
const IR::U32 upper_value{ir.GetCbuf(binding, upper_offset)};
return ir.PackUint2x32(ir.CompositeConstruct(lower_value, upper_value));
}
IR::U32 TranslatorVisitor::GetImm20(u64 insn) {
union {
u64 raw;
@ -158,6 +174,11 @@ IR::F64 TranslatorVisitor::GetDoubleImm20(u64 insn) {
return ir.Imm64(Common::BitCast<f64>(value | sign_bit));
}
IR::U64 TranslatorVisitor::GetPackedImm20(u64 insn) {
const s64 value{GetImm20(insn).U32()};
return ir.Imm64(static_cast<u64>(static_cast<s64>(value) << 32));
}
IR::U32 TranslatorVisitor::GetImm32(u64 insn) {
union {
u64 raw;