[Piglit] [PATCH] drawoverhead: new microbenchmark

Marek Olšák maraeo at gmail.com
Mon May 15 14:05:44 UTC 2017

On Thu, May 11, 2017 at 9:49 PM, Eric Anholt <eric at anholt.net> wrote:
> Marek Olšák <maraeo at gmail.com> writes:
>> From: Marek Olšák <marek.olsak at amd.com>
>> Based on a benchmark from mesa/demos, but rewritten and extended.
>> It's a benchmark expected to be run separately, not a piglit test.
>> So why piglit? Because it's a good framework for writing apps like this.
>> mesa_glthread won't show an improvement here, because there is no app
>> overhead.
>> This is what the output looks like. The percentage is relative to
>> the first test of the given draw call.
>> The obvious thing there is that enabled vertex attribs decrease
>> Mesa performance even if there are no state changes.
> Since nobody else has replied,
> I think piglit is the wrong place for this.  I agree that it's sorta
> convenient, but mesa-demos or glmark2 are the right place.

It can be moved to mesa/demos or glmark2 if/when they get support for
piglit's dispatch and multiple window systems including gbm/drm, so
that the code size of the test remains the same.


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