[Mesa-dev] [RFC] r600g/radeonsi: Use caching buffer manager for textures as well

[Marek Olšák]

Hi Michel,

I was thinking of doing this for transfers only, because Glamor does a
lot of transfers. What do you think?

Marek

On Thu, Apr 10, 2014 at 11:23 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> ---
>
> This is just an RFC; if other developers approve of this approach, I can
> make a more extensive patch removing the use_reusable_pool parameters.
>
> The x11perf numbers below compare ShmGet/PutImage before and after this
> change with glamor from keithp's glamor-server xserver branch on a Kaveri
> APU. The change also reduces the total runtime of the gtkperf tests from
> about 3.5s to about 3s.
>
> 1: x11perf-baseline.txt
> 2: x11perf-caching.txt
>
>     1              2           Operation
> --------   -----------------   -----------------
>   9070.0    48500.0 (  5.35)   ShmPutImage 10x10 square
>   5670.0    27700.0 (  4.89)   ShmPutImage 100x100 square
>    758.0     2350.0 (  3.10)   ShmPutImage 500x500 square
>   3600.0     5360.0 (  1.49)   ShmGetImage 10x10 square
>   2960.0     5720.0 (  1.93)   ShmGetImage 100x100 square
>    346.0     1140.0 (  3.29)   ShmGetImage 500x500 square
>
>  src/gallium/drivers/radeon/r600_texture.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
> index e39b9ec..293eeaa 100644
> --- a/src/gallium/drivers/radeon/r600_texture.c
> +++ b/src/gallium/drivers/radeon/r600_texture.c
> @@ -633,7 +633,7 @@ r600_texture_create_object(struct pipe_screen *screen,
>         /* Now create the backing buffer. */
>         if (!buf) {
>                 if (!r600_init_resource(rscreen, resource, rtex->size,
> -                                       rtex->surface.bo_alignment, FALSE)) {
> +                                       rtex->surface.bo_alignment, TRUE)) {
>                         FREE(rtex);
>                         return NULL;
>                 }
> --
> 1.9.0
>
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