[SDL] no software surfaces with svgalib driver?

[Sam Lantinga]

> I noticed that the SDL (1.2.9) svgalib driver only makes use of linear
> addressable (framebuffer) video modes. On older systems (like one of
> mine), linear addressable modes are often not available.
> Especially for cards with VESA VBE < 2.0 the svgalib vesa driver is
> unusable, since VESA only supports framebuffering for VBE 2.0 and later.

I've added your bug report and patch to bugzilla:
https://bugzilla.libsdl.org/show_bug.cgi?id=84

Do you actually get decent performance from this?  When I was writing
that code years ago, my 486 got terrible banked video performance.
Maelstrom was unplayable. :)

Thanks!
	-Sam Lantinga, Senior Software Engineer, Blizzard Entertainment