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shader/bfi: Implement register-constant buffer variant

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It's the same as the variant that was implemented, but it takes the
operands from another source.
This commit is contained in:
ReinUsesLisp 2020-01-27 01:19:00 -03:00
parent 05df4a8c94
commit 137a8aa55c
2 changed files with 7 additions and 2 deletions
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7
src/video_core/shader/decode/bfi.cpp
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@ -17,10 +17,13 @@ u32 ShaderIR::DecodeBfi(NodeBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]};
const auto opcode = OpCode::Decode(instr);
const auto [base, packed_shift] = [&]() -> std::tuple<Node, Node> {
const auto [packed_shift, base] = [&]() -> std::pair<Node, Node> {
switch (opcode->get().GetId()) {
case OpCode::Id::BFI_RC:
return {GetRegister(instr.gpr39),
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
case OpCode::Id::BFI_IMM_R:
return {GetRegister(instr.gpr39), Immediate(instr.alu.GetSignedImm20_20())};
return {Immediate(instr.alu.GetSignedImm20_20()), GetRegister(instr.gpr39)};
default:
UNREACHABLE();
return {Immediate(0), Immediate(0)};