Hi, I am using a query pool to get the compacted size of a BLAS. The fence for the command buffer has status VK_SUCCESS but very rarely (around 1 in 1000 meshes) calling vkGetQueryPoolResults returns VK_NOT_READY. Do I need to wait on the query pool result as well or does this mean my fence sync code must be incorrect?
#vkGetQueryPoolResults returns VK_NOT_READY
high thistle
sweet bane
Hi, I am using a query pool to get the compacted size of a BLAS. The fence for t...
are you using sync2 ?
because under sync2 the fence and semaphore signal from a given stage
btw think I asked this question some time ago, whether a barrier is needed between a query and the thing (stage) its querying, IIRC I got told no
high thistle
are you using sync2 ?
No I’m not
high thistle
because under sync2 the fence and semaphore signal from a given stage
Hmm, would adding the flag VK_QUERY_RESULT_WAIT_BIT to wait on the query pool get be a good solution then?
I can’t find anywhere on the docs which specifies whether the query state is guaranteed to be set to available immediately after the command is completed
sweet bane
Hmm, would adding the flag VK_QUERY_RESULT_WAIT_BIT to wait on the query pool ge...
probably