lux/yuzu
1
0
Fork 0
mirror of https://git.h3cjp.net/H3cJP/yuzu.git synced 2024-11-14 13:32:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

shader_decode: Implement SHR

Browse source
This commit is contained in:
ReinUsesLisp 2018-12-21 02:05:52 -03:00
parent 39f1c6246a
commit a2819c204f
1 changed files with 26 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/video_core/shader/decode/shift.cpp
View file

@ -16,7 +16,32 @@ u32 ShaderIR::DecodeShift(BasicBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]}; const Instruction instr = {program_code[pc]};
const auto opcode = OpCode::Decode(instr); const auto opcode = OpCode::Decode(instr);
UNIMPLEMENTED(); const Node op_a = GetRegister(instr.gpr8);
const Node op_b = [&]() {
if (instr.is_b_imm) {
return Immediate(instr.alu.GetSignedImm20_20());
} else if (instr.is_b_gpr) {
return GetRegister(instr.gpr20);
} else {
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
}
}();
switch (opcode->get().GetId()) {
case OpCode::Id::SHR_C:
case OpCode::Id::SHR_R:
case OpCode::Id::SHR_IMM: {
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in SHR is not implemented");
const Node value = SignedOperation(OperationCode::IArithmeticShiftRight,
instr.shift.is_signed, PRECISE, op_a, op_b);
SetRegister(bb, instr.gpr0, value);
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled shift instruction: {}", opcode->get().GetName());
}
return pc; return pc;
} }