[Pixman] optimize for gaussian blur

[Søren Sandmann]

"Henry (Yu) Song - SISA" <hsong at sisa.samsung.com> writes:

> New to pixman.  There is a convolution filter in pixman, wondering if there is
> any optimization for Gaussian blur instead of generic convolution blur in
> pixman?

The recently-added SEPARABLE_CONVOLUTION filter can be used for Gaussian
blur, and it would be possible to add a fast path that would take
advantage of the separability of the Gaussian filter.


Søren