On Mon, 11 Aug 2014 17:35:31 +0200 Daniel Vetter <daniel@xxxxxxxx> wrote: > Well for other drivers/stacks we'd fall back to GL compositing. pixman > would obviously be terribly. Curious question: Can you provoke the > hw/firmware to render into abitrary buffers or does it only work together > with real display outputs? Since we have been talking about on-line (direct to output) and off-line (buffer target) use of the HVS (2D compositing engine), it should be able to do both I think. > So I guess the real question is: What kind of interface does videocore > provide? Note that kms framebuffers are super-flexible and you're freee to > add your own ioctl for special framebuffers which are rendered live by the > vc. So that might be a possible way to expose this if you can't tell the > vc which buffers to render into explicitly. Right. I don't know the HVS details yet, but I'm hoping we can tell it to render into a custom buffer, like the 3D core can. This discussion is very helpful btw, I'm starting to see some possible plans. Thanks, pq _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel