[cairo] (no subject)
spk121 at yahoo.com
Tue Sep 18 13:09:22 UTC 2018
> 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
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.
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