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shader: Implement F2F (Imm)

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FernandoS27 2021-04-14 03:42:40 +02:00 committed by ameerj
parent 21a878237b
commit 881b33da3b
1 changed files with 28 additions and 2 deletions
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30
src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_conversion_floating_point.cpp
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@ -179,7 +179,33 @@ void TranslatorVisitor::F2F_cbuf(u64 insn) {
}
void TranslatorVisitor::F2F_imm([[maybe_unused]] u64 insn) {
throw NotImplementedException("Instruction");
}
union {
u64 insn;
BitField<49, 1, u64> abs;
BitField<10, 2, FloatFormat> src_size;
BitField<41, 1, u64> selector;
BitField<20, 20, u64> imm;
} const f2f{insn};
IR::F16F32F64 src_a;
switch (f2f.src_size) {
case FloatFormat::F16: {
const u32 imm{static_cast<u32>(f2f.imm & 0x00ffff)};
IR::Value vector{ir.UnpackFloat2x16(ir.Imm32(imm | (imm << 16)))};
src_a = IR::F16{ir.CompositeExtract(vector, 0)};
break;
}
case FloatFormat::F32:
src_a = GetFloatImm20(insn);
break;
case FloatFormat::F64:
src_a = GetDoubleImm20(insn);
break;
default:
throw NotImplementedException("Invalid dest format {}", f2f.src_size.Value());
}
F2F(*this, insn, src_a, f2f.abs != 0);
} // namespace Shader::Maxwell
} // namespace Shader::Maxwell