OpenGL in USB Display Devices under wayland
Casey Dahlin
cdahlin at redhat.com
Fri Jun 22 13:34:36 PDT 2012
On Fri, Jun 22, 2012 at 10:29:04PM +0300, Pekka Paalanen wrote:
> The trick is in the kernel DRM, which has to be able to deal with the
> buffer and actually push it to the USB device. This may require special
> allocation flags or somehow using the dmabuf infrastructure to allocate
> the buffer, where the composite is drawn.
Pretty sure it's possible right now to just copy the buffer out to normal
userspace memory and then in to another DRM buffer. Not the quickest
transition, but functional.
--CJD
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