John Regehr on Nostr: one of the best/worst things I've learned is that if you don't have help from the ...
one of the best/worst things I've learned is that if you don't have help from the graphics card, the fast way to do bitblts (the operation that allows you to drag a window around on the screen) is using a specialized compiler
https://devblogs.microsoft.com/oldnewthing/20180209-00/?p=97995
https://devblogs.microsoft.com/oldnewthing/20180209-00/?p=97995