[cairo] Slow painting of images

Carl Worth cworth at cworth.org
Tue Nov 8 07:47:00 PST 2005


On Tue, 8 Nov 2005 16:03:06 +0100, Haakon Riiser wrote:
> 
> Is it necessary to explicitly instruct Cairo to use the Render
> extension?

No, cairo will always use the Render extension when available.

> I tried my test program on another computer that does
> support the Render extension, and resizing was still incredibly
> slow.

I'm sorry I wasn't more clear. Even when the X server provides the
Render extension, it is possible for it to provide only a software
implementation for it. And it is the current software implementation
of Render in the X server which I mentioned could use some
optimization.

-Carl
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