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authorJason Ekstrand <[email protected]>2016-11-02 09:11:11 -0700
committerJason Ekstrand <[email protected]>2016-11-09 18:17:29 -0800
commit843775bab78a6b4d5cb4f02bd95d9d0e95c1c5e3 (patch)
treebde610776326ede7ed7affc67cb596cd13bfb7e1 /src/getopt
parent73701be667ae408772bf20cb504b70d1775d4a4b (diff)
anv: Rework fences
Our previous fence implementation was very simple. Fences had two states: signaled and unsignaled. However, this didn't properly handle all of the edge-cases that we need to handle. In order to handle the case where the client calls vkGetFenceStatus on a fence that has not yet been submitted via vkQueueSubmit, we need a three-status system. In order to handle the case where the client calls vkWaitForFences on fences which have not yet been submitted, we need more complex logic and a condition variable. It's rather annoying but, so long as the client doesn't do that, we should still hit the fast path and use i915_gem_wait to do all our waiting. Signed-off-by: Jason Ekstrand <[email protected]> Cc: "13.0" <[email protected]>
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