[Mesa-dev] [PATCH] i965: Fast texture upload now supports all levels

[Chad Versace]

On 10/14/2013 10:54 AM, Eric Anholt wrote:
> Courtney Goeltzenleuchter <courtney at lunarg.com> writes:
>
>> Does anyone know of a test that measures frame 0 time? Or texture upload
>> speed?
>>
>> For Smokin' Guns, I tried measuring the overall time, but an improved frame
>> 0 time has difficulty standing out of a 2607 frame test.
>>
>> I may have to create something. Suggestions for an appropriate framework?
>
> Run an apitrace replay on a trace trimmed to frame <whenever the
> textures are first used>?  Sure, apitrace isn't real-world benchmarking
> for fps, but it should get at the "how much did we cut off of load
> time", assuming that texture load time isn't swamped by apitrace
> decompression.

I believe Frank has a microbenchmark for measuring texture
upload time. Maybe he can share it with us. But, data obtained from real
apps is always preferred.