according to microsoft direct d has to be complete in order to execute direct d feature level i've only edited it once but nvidia does not support direct d or fully microsoft says it has to support all of the features and nvidia is lying about it someone has edited it back and i am on an edit restriction on not to revert it so i went to the talk page nice to see someone edited back the opencl as nvidia does not support opencl but nvidia does not fully support direct d feature level talk