>> don’t know why the current softpipe/swrast implementation shouldn’t be 
>> conformant.

>Interesting I hadn't known we had a correct impl in mesa, the features.txt has 
>said "softpipe and llvmpipe advertise 16x anisotropy but simply ignore the 
>setting"
>so I never dug any deeper. I'll consider a port of this to llvmpipe at some 
>point, making it efficient might be tricky.

It seems that features.txt hasn't been updated regarding this functionality; 
softpipe has "real" anisotropy since 2011.

> I'll consider a port of this to llvmpipe at some point, making it efficient 
> might be tricky.
That would be great. As anisotropic filtering is often an option which can be 
set by a user, I guess most people turn it off to get higher framerates. But in 
our use case, high quality renderings are required, so we accept the longer 
render times to get the best quality; hopefully a llvmpipe port would be faster 
than the old swrast implementation (we are only using the fixed rendering 
pipeline/no shaders in conjunction with the OpenMP patch for speeding up 
GL_POLYGON_SMOOTH_HINT)

Andreas
 

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