[cairo] Slow painting of images

[Haakon Riiser]

[Carl Worth]

> Cairo uses the X server's Render extension to transform images. With
> some combinations of hardware and X server drivers the Render
> extension can provide accelerated image transformation. However, when
> this is not available, you get Render's software image transformation
> which is a piece of code that clearly needs some optimization work.

Is it necessary to explicitly instruct Cairo to use the Render
extension?  I tried my test program on another computer that does
support the Render extension, and resizing was still incredibly
slow.

-- 
 Haakon