Thanks Dave. a. When you say "The X server libGLcore doesn't exist anymore, it now loads hw drivers like the client side. So what you want isn't what you think you want.". Does the Xserver connect to hw driver through "device_dri.so" like the client side libGL does? Or is there a different interface?
b. The Mesa src is included in the xserver source @extras/Mesa/src/mesa. How is this source being used by xserver? I was guessing that this would be for the libGLCore of Xserver. Thanks K On Mon, 2011-02-21 at 11:28 +1000, Dave Airlie wrote: > On Mon, Feb 21, 2011 at 11:25 AM, kumar vemuri <kumar21...@gmail.com> wrote: > > Hi, > > > > I have the 3D graphics driver installed on my linux system. > > > > a. How do i disable hardware acceleration and make a 3D game use the > > libGLCore (s/w renderer) of Xserver (without uninstalling the 3D > > driver)? > > The X server libGLcore doesn't exist anymore, it now loads hw drivers like > the client side. So what you want isn't what you think you want. > > The two env vars > > LIBGL_ALWAYS_INDIRECT will make the app use the X server, hoewver it > may still use accelerated rendering. > > LIBGL_ALWAYS_SOFTWARE will make libGL load the swrast driver and do > software rendering. > > > > b. Are there 3D apps/games which work (however slow) if h/w > > acceleration is disabled? > > Most of them run really unuseably slow. > > Dave.
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