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radeonsi: improve viewperf snx performance by forcing staging for VRAM buffers 

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12257>
This commit is contained in:
Marek Olšák 2021-08-06 00:54:14 -04:00 committed by Marge Bot
parent 21c8a95e34
commit da538eb368
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/radeonsi/si_buffer.c
View File

@ -162,7 +162,8 @@ void si_init_resource_fields(struct si_screen *sscreen, struct si_resource *res,
* This tweak improves performance for viewperf.
*/
const unsigned min_size = 8196; /* tuned to minimize mapped VRAM */
const unsigned max_staging_uploads = 1; /* number of uploads before mapping directly */
/* Number of uploads before mapping directly. A very high number helps display lists (snx). */
const unsigned max_staging_uploads = 1000000;
res->max_forced_staging_uploads = res->b.max_forced_staging_uploads =
sscreen->info.has_dedicated_vram && size >= min_size ? max_staging_uploads : 0;