Siarhei Siamashka

_Still, at 1920x1080x32bpp, the fillrate difference between G2D and CPU using sunxi_g2d_bench is minimal_ There is actually one more interesting thing. The memory performance is not gradually decreasing, but gets...

I sent a post in the mailing list with mostly the same information some time ago: https://groups.google.com/d/msg/linux-sunxi/0pGua9gzZTQ/VZN3jHo5Ss4J :) But it was really a good idea to put all the tips...

16-bit fill operations can be partially emulated using 32-bit fills, however we might need to additionally separately process 1-pixel wide leftmost and 1-picel wide rightmost columns in unaligned cases. Which...

I'm still not totally convinced with x11perf alone and would like to see a more realistic use case, justifying the optimization of fills with G2D. The current code is more...

Also it would be a good idea to have a more real time conversation on #linux-sunxi irc :)

_I thought G2D can only blit and fill - what more advanced things are possible?_ Basically scaling, rotation, conversion between formats is supported. Alpha blending is a bit of a...

_I have released a patch for testing/evaluation. It is available on https//github.com/hglm/patches_ Thanks. It would be best to actually fork xf86-video-sunxifb repository, create a git branch for your changes, and...

@rzk unfortunately there does not seem to be any public documentation about the layering system hardware in Exynos :( It's probably more interesting to add some basic blit/fill acceleration for...

BTW, appears that this kind of acceleration could be actually useful for color key filling done in libvdpau-sunxi by @jemk Though it would be still preferable to avoid wasting memory...

Changing the display output configuration at runtime via XRANDR is not supported at the moment. Not that it can't be done, but this: - requires some work to implement, which...