RE: wined3d: universal surface convertor function for unsigned integer color formats(3rd attempt)

[Stefan Dösinger]

Actually, one more idea:

It will be extra-slow, but we could implement a general all-to-all format by 
converting the source format to A32R32G32B32F(float values), and then write 
code to convert this format to all possible destination formats. The from->to 
table lookup could be replaced by code that can combine multiple conversions to 
find a conversion strategy(e.g. R5G6B5->ARGB32F->R8G8B8). I am not sure if it 
is a good idea, but it is worth a consideration