[OE-core] [PATCH 1/2] mesa: make gallium swrast target optional

[Alexander Kanavin]

I think the only qemus where we do anything mesa-related are kvm-enabled
x86 ones. So in that sense it doesn't matter which drivers are shipped for
other qemu targets.

Alex

On Fri, 14 Jun 2019 at 15:16, Burton, Ross <ross.burton at intel.com> wrote:

> On Fri, 14 Jun 2019 at 13:46, Alexander Kanavin <alex.kanavin at gmail.com>
> wrote:
> > I would rather replace swrast with virgl in the qemu machine configs.
> Currently it's pulled in implicitly via the megadriver package which has
> virgl included because it is enabled by default in the mesa recipe. From
> what I can see beaglebone etc. are not affected by this.
>
> So the failure is that swrast is no longer shipped by mesa but the
> qemu BSP does this:
>
> XSERVER ?= "xserver-xorg \
>             ${@bb.utils.contains('DISTRO_FEATURES', 'opengl',
> 'mesa-driver-swrast xserver-xorg-extension-glx', '', d)} \
>             xf86-video-fbdev \
>             "
>
> However as Alex says, we have virgl now.  Does this work on all qemus?
>  Should we just change the XSERVER assignment to explicitly pull in
> the megadriver instead?
>
> The 'proper' swrast driver *is* terrible, lets not enabe it by default
> now we have virgl for qemu.  If a BSP wants to use it then they can,
> but it's not something we should enable out of the box.
>
> Ross
>
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