Classic British Flight Sim

I'm afraid that this isn't the case. We're running GTX 470s and as with cards of this generation, their drivers are optimised for DX10 performance. On top of this, DX10 is more efficient (i.e. gives better performance) for each rendering pass than DX9. Although switching to DX9 mode is a quick fix, ...

To be able to see DX10 repaints in FSX, the original texures has to be "DX10-sified" I believe that this is the problem we are having. I'm building a couple of flight sims for my Air Cadet Squadron. We are using DX10 mode on modern hardware - DX9 performance is very poor unfortunately. We...