From 49579a4df8f9f85139a02c95ae59ea0a5dec663c Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 13 Feb 2011 09:26:07 +0100 Subject: pb_bufmgr_cache: add is_buffer_busy hook and use it instead of non-blocking map This is cleaner and implementing the hook is optional. --- src/gallium/auxiliary/pipebuffer/pb_bufmgr.h | 4 ++++ src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c | 17 ++++++++++------- 2 files changed, 14 insertions(+), 7 deletions(-) (limited to 'src/gallium/auxiliary/pipebuffer') diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h index 2ef02160f2..960068c494 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr.h @@ -82,6 +82,10 @@ struct pb_manager */ void (*flush)( struct pb_manager *mgr ); + + boolean + (*is_buffer_busy)( struct pb_manager *mgr, + struct pb_buffer *buf ); }; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c index a6eb403962..25accefa8d 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c @@ -227,8 +227,6 @@ pb_cache_is_buffer_compat(struct pb_cache_buffer *buf, pb_size size, const struct pb_desc *desc) { - void *map; - if(buf->base.base.size < size) return 0; @@ -242,13 +240,18 @@ pb_cache_is_buffer_compat(struct pb_cache_buffer *buf, if(!pb_check_usage(desc->usage, buf->base.base.usage)) return 0; - map = pb_map(buf->buffer, PB_USAGE_DONTBLOCK, NULL); - if (!map) { - return -1; + if (buf->mgr->provider->is_buffer_busy) { + if (buf->mgr->provider->is_buffer_busy(buf->mgr->provider, buf->buffer)) + return -1; + } else { + void *ptr = pb_map(buf->buffer, PB_USAGE_DONTBLOCK, NULL); + + if (!ptr) + return -1; + + pb_unmap(buf->buffer); } - pb_unmap(buf->buffer); - return 1; } -- cgit v1.2.3