Re: [Mesa3d-dev] Point rendering in software

[Keith W. <ke...@tu...>]

Klaus Niederkrueger wrote:
>>I doubt you'll gain much - you could only use this in vertex buffers that are
>>not clipped in any way.
>>
> 
> I don't know how important speed is (having 3D-hardware everywhere).
> 
> But still the point-rendering was several times faster in the
> 4.0.x-release than now (since "struct swrast" has been created).
> The problem is that you need to go through the whole pipeline for every
> point you are drawing, which then is like maybe up to 10 function-calls
> for a single point.

Yes, but 4.0 used exactly this interface for drawing points.  You are talking 
about Mesa-4.0, right?


> Still: What is the purpose of the XXX_validate-functions?

To choose the correct points function for the current state.

Keith