[Freedreno] freedreno 3D test applications

[priyanka more]

Hi,

Thanks llia for your reply.

Actually we are using "https://github.com/freedreno/kernel-msm.git" this
kernel to validate freedreno 3D test cases on i.mx53 QSB.

Thanks & Regards,
     Priyanka


On Thu, Dec 21, 2017 at 11:31 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:

> On Thu, Dec 21, 2017 at 12:43 AM, priyanka more
> <priyanka.more457 at gmail.com> wrote:
> > Hi,
> >
> > I've cloned freedreno test applications from the bellow link.
> > https://github.com/freedreno-zz/freedreno/tree/master/tests-3d
> >
> > I'm working on 3d test cases, I've executed test-cube.c test-caps.c on
> > i.mx53 QSB environment, I got colored cube as output on display.
> >
> > I'm trying to execute other 3D test cases like test-es2gears.c
> test-vertex.c
> > test-cube-textured.c and 2D test application test-fill.c, but I'm
> wondering
> > what will be the output display of these applications.
> >
> > Will you please guide me in what would be the output display of these
> test
> > applications?
>
> The idea of these applications is actually not to display anything --
> the fact that they do is largely coincidence.
>
> The idea of these applications is to run GL commands against the blob
> driver, record a trace, and then analyze it, to figure out how to
> operate the underlying hardware. As parameters are changed, we look at
> what changes in the command stream, and infer the meanings of various
> registers based on how they're programmed relative to the GL commands
> being run.
>
> Tracing on the a2xx isn't an exact science right now. There's 20
> different incompatible kgsl versions running around. The current
> "state of the art" is a hacked up kgsl driver which prints stuff to
> dmesg -- see e.g.
> https://github.com/laanwj/linux-freedreno-a2xx/tree/4.12-rdu1-kgsl +
> dmesg2rd from https://github.com/laanwj/freedreno/commit/
> 24905de896b1d15aef9e66f465ec379b24061494.
>
> I have some incomplete work in adapting the libwrap-based tracer to
> that particular kgsl version, but ... it's incomplete. And it won't
> work with $other kgsl ioctl version.
>
> What's your goal?
>
>   -ilia
>
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