On 3/3/2014 10:08 AM, Steve Stallings wrote: > Reading between the lines in the bug report below, > I see mention of Xenomai on the 3.8.13 kernel for > the BeagleBoneBlack. > > I have also seen mention that TI has the SGX accelerated > graphics drivers running on the 3.8.13 kernel. > > There are probably still some missing pieces to the > goal of having Open GL on a real time kernel ready > to run LinuxCNC on a BBB, but can someone in the know > comment on the current state of things?
The drivers for the SGX GPU are available on the 3.8.13 kernel, but only support raw frame-buffers. If your GUI runs on frame buffers, or something like QT, you can probably get this to work without too much hassle today. AFAIK, however, all current LinuxCNC GUI interfaces require X11, the X11 driver is not yet supported on kernels newer than 3.2, and the 3.2 kernels have many other issues (no device tree, known serious bugs with Xenomai, etc). So it's wait for someone to write/port an X11 driver for 3.8, or develop a GUI that doesn't need X11. See a previous thread I started a while ago about interfaces that didn't need to run in X windows. -- Charles Steinkuehler [email protected]
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