[Mesa-stable] [PATCH] clover: Update the wait_count of the correct event when chaining events

[Francisco Jerez]

Tom Stellard <thomas.stellard at amd.com> writes:

> Cc: 10.5 10.4 <mesa-stable at lists.freedesktop.org>
> ---
>  src/gallium/state_trackers/clover/core/event.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/state_trackers/clover/core/event.cpp b/src/gallium/state_trackers/clover/core/event.cpp
> index 58de888..9d78b48 100644
> --- a/src/gallium/state_trackers/clover/core/event.cpp
> +++ b/src/gallium/state_trackers/clover/core/event.cpp
> @@ -67,7 +67,7 @@ event::signalled() const {
>  void
>  event::chain(event &ev) {
>     if (wait_count) {
> -      ev.wait_count++;
> +      wait_count++;

ev0->chain(ev1) establishes a dependency between ev0 and ev1 so that ev1
is signaled after ev0, while doing that only the number of unmet
dependencies of ev1 (wait_count) can be incremented by one, so the code
was already doing the right thing.

>        _chain.push_back(ev);
>     }
>     ev.deps.push_back(*this);
> -- 
> 2.0.4
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