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-rw-r--r--src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
index 86f9266c95f..0f2ae05daed 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
@@ -227,6 +227,8 @@ 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 FALSE;
@@ -239,6 +241,13 @@ pb_cache_is_buffer_compat(struct pb_cache_buffer *buf,
if(!pb_check_usage(desc->usage, buf->base.base.usage))
return FALSE;
+
+ map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_DONTBLOCK);
+ if (!map) {
+ return FALSE;
+ }
+
+ pb_unmap(buf->buffer);
return TRUE;
}