[SDL] Hardware Surfaces

[Sam Lantinga]

> On Thu, Mar 22, 2001 at 03:20:40PM -0800, Sam Lantinga wrote:
> > The DGA 2.0 driver does support hardware surfaces.
> > http://www.libsdl.org/faq/FAQ-Linux.html#LINUX_12

> Terrific!  But why do I need to run the program as root?

Root permissions are required to map the video memory.

> And, one other question: why do I need to set SDL_VIDEODRIVER
> to dga?  Why not just use dga if it's available?

DGA doesn't run windowed.  It doesn't support OpenGL.
Because these are two very important features, I didn't want to
disable them by default.

See ya,
	-Sam Lantinga, Lead Programmer, Loki Entertainment Software