Re: (no subject)
Mike Gran <[email protected]> Tue, 18 Sep 2018 13:09:22 +0000 (UTC)
| Newsgroups | gmane.comp.lib.cairo |
|---|---|
| Message-ID | <[email protected]> |
> We see the rendering of screens being very slow and we suspect it > could be because of floating point operations. Since we do not have > complex graphics, it is possible to switch off floating point operations > or even switch off "double"? Also I am not sure if this is the reason > for the poor rendering performance. I wonder if the problem actually might be the speed of writing to the framebuffer. I used to work on stuff like that, and I found that it was speedier to do all my drawing onto a cairo image surface instead of directly on the framebuffer. I would draw an entire frame on the image surface, and then paint the completed image onto the framebuffer surface. -Mike Gran -- cairo mailing list [email protected] https://lists.cairographics.org/mailman/listinfo/cairo