why cannot rotate a full refreshed display？If the buffer(allocate for rotation) is large enough, is it OK rotate a full refreshed display?
Actually it’s true. With a large enough buffer we could rotate it. However it’d require an extra copy as we should pass the original buffer to
- copy the rendered frame to to the
- rotate and store the result in the original buffer
So it’d be kind of slow.
thank you for your reply!