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vkd3d: Unblock all fence waiters when public ref-count hits 0. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2022-07-05 10:58:02 +02:00
parent 5b73139f18
commit 11c943dd7e
1 changed files with 11 additions and 0 deletions
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11
libs/vkd3d/command.c
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@ -838,6 +838,17 @@ static ULONG STDMETHODCALLTYPE d3d12_fence_Release(d3d12_fence_iface *iface)
if (!refcount)
{
struct d3d12_device *device = fence->device;
/* When a fence's public ref-count hits zero, all waiters must be released.
* NOTE: For shared fences later,
* we cannot signal here since we cannot know if there are other fences.
* According to our tests, the fence unblocks all waiters when the last reference
* to the shared HANDLE is released. This is completely outside the scope of what we can
* reasonably implement ourselves. For now, the plan is to wait with timeout
* and mark "TDR" if that ever happens in real world usage. */
if (!(fence->d3d12_flags & D3D12_FENCE_FLAG_SHARED))
d3d12_fence_signal_cpu_timeline_semaphore(fence, UINT64_MAX);
d3d12_fence_dec_ref(fence);
d3d12_device_release(device);
}