From 964ddeeb90b655d8b5558002db7c780c0394263c Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 20 Dec 2018 23:56:21 -0300 Subject: shader_decode: Implement MUFU --- src/video_core/shader/decode/arithmetic.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'src/video_core/shader/decode/arithmetic.cpp') diff --git a/src/video_core/shader/decode/arithmetic.cpp b/src/video_core/shader/decode/arithmetic.cpp index d196d94b5..fb688c324 100644 --- a/src/video_core/shader/decode/arithmetic.cpp +++ b/src/video_core/shader/decode/arithmetic.cpp @@ -93,6 +93,35 @@ u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) { SetRegister(bb, instr.gpr0, value); break; } + case OpCode::Id::MUFU: { + op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a); + + Node value = [&]() { + switch (instr.sub_op) { + case SubOp::Cos: + return Operation(OperationCode::FCos, PRECISE, op_a); + case SubOp::Sin: + return Operation(OperationCode::FSin, PRECISE, op_a); + case SubOp::Ex2: + return Operation(OperationCode::FExp2, PRECISE, op_a); + case SubOp::Lg2: + return Operation(OperationCode::FLog2, PRECISE, op_a); + case SubOp::Rcp: + return Operation(OperationCode::FDiv, PRECISE, Immediate(1.0f), op_a); + case SubOp::Rsq: + return Operation(OperationCode::FInverseSqrt, PRECISE, op_a); + case SubOp::Sqrt: + return Operation(OperationCode::FSqrt, PRECISE, op_a); + default: + UNIMPLEMENTED_MSG("Unhandled MUFU sub op={0:x}", + static_cast(instr.sub_op.Value())); + } + }(); + value = GetSaturatedFloat(value, instr.alu.saturate_d); + + SetRegister(bb, instr.gpr0, value); + break; + } default: UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName()); } -- cgit v1.2.3