message: Avoid crash if no pipeline is bound for D3D12 shader feedback
diff: @@ -302,6 +302,12 @@ void D3D12Replay::FetchShaderFeedback(uint32_t eventId)
  (WrappedID3D12PipelineState *)rm->GetCurrentAs<ID3D12PipelineState>(rs.pipe);
  D3D12RootSignature modsig;
  + if(!pipe)
  + {
  + RDCERR("Can't fetch shader feedback, no pipeline state bound");
  + return;
  + }
  +
  bytebuf editedBlob[5];
  D3D12_EXPANDED_PIPELINE_STATE_STREAM_DESC pipeDesc;
  