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gallium/pb_cache: check parameters that are more likely to fail first

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This makes Bioshock Infinite with deferred flushing 2% faster.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-07-17 11:59:40 +02:00
parent 2596ae2b6e
commit fec7f74129
1 changed files with 8 additions and 9 deletions
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17
src/gallium/auxiliary/pipebuffer/pb_cache.c
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@ -114,25 +114,24 @@ static int
pb_cache_is_buffer_compat(struct pb_cache_entry *entry,
pb_size size, unsigned alignment, unsigned usage)
{
struct pb_cache *mgr = entry->mgr;
struct pb_buffer *buf = entry->buffer;
if (usage & entry->mgr->bypass_usage)
return 0;
if (buf->size < size)
if (!pb_check_usage(usage, buf->usage))
return 0;
/* be lenient with size */
if (buf->size > (unsigned) (entry->mgr->size_factor * size))
if (buf->size < size ||
buf->size > (unsigned) (mgr->size_factor * size))
return 0;
if (usage & mgr->bypass_usage)
return 0;
if (!pb_check_alignment(alignment, buf->alignment))
return 0;
if (!pb_check_usage(usage, buf->usage))
return 0;
return entry->mgr->can_reclaim(buf) ? 1 : -1;
return mgr->can_reclaim(buf) ? 1 : -1;
}
/**