8, 16, 32 bpp and configs

[Brian Paul]

Jon Smirl wrote:
> I'm working on implementing the radeon EGL driver. It looks to me like
> the config list needs to include all of the 8, 16,  32 bpp configs.
> This is different than the Xserver where the bpp is constrained by
> what the XAA driver chose. Is this going to have any consequences
> elsewhere?
> 
> 	 *driver_modes = r200FillInModes( dri_priv->bpp,
> 					  (dri_priv->bpp == 16) ? 16 : 24,
> 					  (dri_priv->bpp == 16) ? 0  : 8,
> 					  (dri_priv->backOffset != dri_priv->depthOffset) );
> 
> Should I drop the 8 bit palette modes? I think they will work in my
> lower layers, but I am not sure about mesa support.

Mesa supports 8-bit paletted modes of course, but since we don't have 
the mechanisms to support paletted modes in EGL, they should probably 
be omitted for now.


> Does EGL surface need get/set palette functions?

Yes, if we're going to support paletted modes.  Is there much use of 
that nowadays?

-Brian