diff options
Diffstat (limited to 'src/video_core/shader/decode/conversion.cpp')
| -rw-r--r-- | src/video_core/shader/decode/conversion.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/video_core/shader/decode/conversion.cpp b/src/video_core/shader/decode/conversion.cpp index 32facd6ba..0eeb75559 100644 --- a/src/video_core/shader/decode/conversion.cpp +++ b/src/video_core/shader/decode/conversion.cpp @@ -63,12 +63,11 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) { case OpCode::Id::I2F_R: case OpCode::Id::I2F_C: case OpCode::Id::I2F_IMM: { - UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0); UNIMPLEMENTED_IF(instr.conversion.dst_size == Register::Size::Long); UNIMPLEMENTED_IF_MSG(instr.generates_cc, "Condition codes generation in I2F is not implemented"); - Node value = [&]() { + Node value = [&] { switch (opcode->get().GetId()) { case OpCode::Id::I2F_R: return GetRegister(instr.gpr20); @@ -81,7 +80,19 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) { return Immediate(0); } }(); + const bool input_signed = instr.conversion.is_input_signed; + + if (instr.conversion.src_size == Register::Size::Byte) { + const u32 offset = static_cast<u32>(instr.conversion.int_src.selector) * 8; + if (offset > 0) { + value = SignedOperation(OperationCode::ILogicalShiftRight, input_signed, + std::move(value), Immediate(offset)); + } + } else { + UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0); + } + value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed); value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed); value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value); |