[Mesa-dev] Mesa (gallium-index-bias): gallium: Add index bias parameter to draw_elements and friends.

[Keith Whitwell]

On Mon, 2010-04-19 at 06:07 -0700, Marek Olšák wrote:
> Unfortunately, this is supported only on r500 (i.e. not r300 nor r400)
> and only when the DRM version is >=2.3.0 (i.e. kernel 2.6.34). Please,
> can we make it an optional feature?

Are you sure about this?  It seems to be a long-time DX9 (and earlier?)
requirement.  

I'm sure it can be made optional, though - if a state tracker absolutely
required it & didn't want to implement a workaround, it could just fail
to initialize on such drivers.

Keith