On Thu, Nov 17, 2016 at 10:01:56AM -0500, robert.foss@xxxxxxxxxxxxx wrote:
> From: Robert Foss <robert.foss@xxxxxxxxxxxxx>
>
> This subtest verifies merging a fence with itself does not fail.
>
> Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
> Reviewed-by: Eric Engestrom <eric@xxxxxxxxxxxx>
> ---
> tests/sw_sync.c | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/tests/sw_sync.c b/tests/sw_sync.c
> index 528be4d..51aa025 100644
> --- a/tests/sw_sync.c
> +++ b/tests/sw_sync.c
> @@ -179,6 +179,30 @@ static void test_sync_merge(void)
> close(timeline);
> }
>
> +static void test_sync_merge_same(void)
> +{
> + int in_fence[2];
> + int timeline;
> + int signaled;
> +
> + timeline = sw_sync_timeline_create();
> + in_fence[0] = sw_sync_fence_create(timeline, 1);
> + in_fence[1] = sync_merge(in_fence[0], in_fence[0]);
> +
> + signaled = sync_fence_count_status(in_fence[0],
> + SW_SYNC_FENCE_STATUS_SIGNALED);
> + igt_assert_f(signaled == 0, "fence signaled too early\n");
> +
> + sw_sync_timeline_inc(timeline, 1);
> + signaled = sync_fence_count_status(in_fence[0],
> + SW_SYNC_FENCE_STATUS_SIGNALED);
> + igt_assert_f(signaled == 1, "fence did not signal\n");
But what in_fence[1]? How does the lifetime of in_fence[1] relate to
in_fence[0]?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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