[SDL] hardware alpha & colorkey support

[Michael B. Edwin Rickert]

sapsan wrote:
> There are some really annoying questions(as for game development process):
> 1)" Does current SDL version has hardware alpha blitting(i mean about 
> hardware per pixel alpha support)?";
> 2)"What about a modern hardware graphics without support of hardware 
> colorkey?".

Where supported.

Since SDL uses DirectX for rendering on windows, I'm guessing it gets 
some speed advantages from that. This is assuming you're working with 
hardware surfaces of course...