[Mesa-dev] [PATCH] r600g: improve flushed depth texture handling v2

[Vadim Girlin]

On Sat, 2012-07-07 at 01:48 +0200, Marek Olšák wrote:
> On Wed, Jun 27, 2012 at 1:34 AM, Vadim Girlin <vadimgirlin at gmail.com> wrote:
> > Use r600_resource_texture::flished_depth_texture for GPU access, and
> > allocate it in the VRAM. For transfers we'll allocate untiled texture in the
> > GTT and store it in the r600_transfer::staging.
> >
> > Improves performance when flushed depth texture is frequently used by the
> > GPU (about 30% for Lightsmark).
> >
> > Signed-off-by: Vadim Girlin <vadimgirlin at gmail.com>
> > ---
> >
> > Fixes fbo-clear-formats, fbo-generatemipmap-formats, no regressions on
> > evergreen
> 
> Hi,
> 
> is there any reason this patch hasn't been committed yet?
> 

Hi,

I have some doubts because it was benchmarked by phoronix and there were
regressions, though I suspect that something is wrong with the results:

http://www.phoronix.com/scan.php?page=article&item=amd_r600g_texdepth&num=4

I was going to look into it but had no time yet. I'd like to be sure
that there are no regressions before committing.

Vadim





> Marek