Re: How synchronisation works in Framebuffer backend

2014-03-25 Thread Sannu K
On Sat, Mar 22, 2014 at 11:10 PM, David Herrmann wrote: > It doesn't. > > Don't use fbdev if you want vsync. > Okay. Thanks and Regards, Sannu K ___ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.f

How synchronisation works in Framebuffer backend

2014-03-22 Thread Sannu K
ng is avoided? Thanks in advance for the help. Thanks and Regards, Sannu K ___ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel

Re: [PATCH weston 1/2] pci: add PCI helpers to detect primary GPUs

2012-10-30 Thread Sannu K
On Mon, Oct 29, 2012 at 9:13 PM, David Herrmann wrote: > Hi Sannu > > On Sun, Oct 28, 2012 at 10:19 AM, Sannu K wrote: >>>> >>>> GPU switching under linux has no stable API. The vga_switcheroo module >>>> only provides some temporary hacks via debugfs

Re: [PATCH weston 1/2] pci: add PCI helpers to detect primary GPUs

2012-10-28 Thread Sannu K
s a >> secondary/auxiliary GPU and then might not be able to drive the >> connectors. Is there anything that I could do to help in multi GPU scenarios? I am having a displaylink USB display adapter. I would be glad to do some work related to weston in supporting multiple GPUs / offloadi

Re: [PATCH weston 1/2] pci: add PCI helpers to detect primary GPUs

2012-10-28 Thread Sannu K
On Sun, Oct 28, 2012 at 1:58 AM, David Herrmann wrote: > Hi Sannu > > On Sat, Oct 27, 2012 at 8:38 PM, Sannu K wrote: >> On Sat, Oct 27, 2012 at 6:24 PM, David Herrmann >> wrote: >>> This adds one global helper which returns a string describing the primary >>

Re: [PATCH weston 1/2] pci: add PCI helpers to detect primary GPUs

2012-10-27 Thread Sannu K
s)? There are lot of systems without VGA adapter only with HDMI adapter. Thanks and Regards, Sannu K ___ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel

Re: Software rendering with Mesa and Wayland 1.0

2012-10-25 Thread Sannu K
ing list > wayland-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/wayland-devel > I guess there is some problem with mesa 9.0 and wayland 1.0. Is it related to that? I am not a wayland developer and I am not much aware of technical things in wayland so this may not be correct. Just a guess. Regards, Sannu K ___ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel

Re: OpenGL in USB Display Devices under wayland

2012-06-24 Thread Sannu K
On Sun, Jun 24, 2012 at 12:59 PM, Pekka Paalanen wrote: > On Sat, 23 Jun 2012 22:21:28 +0530 > Sannu K wrote: > > > On Sat, Jun 23, 2012 at 2:04 AM, Casey Dahlin > wrote: > > > > > On Fri, Jun 22, 2012 at 10:29:04PM +0300, Pekka Paalanen wrote: > > > &

Re: OpenGL in USB Display Devices under wayland

2012-06-23 Thread Sannu K
On Sat, Jun 23, 2012 at 2:04 AM, Casey Dahlin wrote: > 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 some

OpenGL in USB Display Devices under wayland

2012-06-22 Thread Sannu K
Hi, Intro: USB display devices are dumb framebuffer devices that can drive a CRTC which is connected to the system through USB. These devices can be treated as just USB to VGA (DVI or HDMI) converters. They have some sort of compression (Devices from displaylink is one of them which uses RLE compr