From: Robert Foss <robert.foss@xxxxxxxxxxxxx>
Add subtest test_sync_merge that tests merging fences and the validity of the
resulting merged fence.
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
Reviewed-by: Eric Engestrom <eric@xxxxxxxxxxxx>
---
tests/sw_sync.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index cc63012..8776f42 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -116,6 +116,70 @@ static void test_sync_wait(void)
close(timeline);
}
+static void test_sync_merge(void)
+{
+ int in_fence[3];
+ int fence_merge;
+ int timeline;
+ int active, signaled;
+
+ timeline = sw_sync_timeline_create();
+ in_fence[0] = sw_sync_fence_create(timeline, 1);
+ in_fence[1] = sw_sync_fence_create(timeline, 2);
+ in_fence[2] = sw_sync_fence_create(timeline, 3);
+
+ fence_merge = sw_sync_merge(in_fence[0], in_fence[1]);
+ fence_merge = sw_sync_merge(in_fence[2], fence_merge);
+
+ /* confirm all fences have one active point (even d) */
+ active = sw_sync_fence_count_status(in_fence[0],
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 1, "in_fence[0] has too many active fences\n");
+ active = sw_sync_fence_count_status(in_fence[1],
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 1, "in_fence[1] has too many active fences\n");
+ active = sw_sync_fence_count_status(in_fence[2],
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 1, "in_fence[2] has too many active fences\n");
+ active = sw_sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 1, "fence_merge has too many active fences\n");
+
+ /* confirm that fence_merge is not signaled until the max of fence 0,1,2 */
+ sw_sync_timeline_inc(timeline, 1);
+ signaled = sw_sync_fence_count_status(in_fence[0],
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ active = sw_sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(signaled == 1, "in_fence[0] did not signal\n");
+ igt_assert_f(active == 1, "fence_merge signaled too early\n");
+
+ sw_sync_timeline_inc(timeline, 1);
+ signaled = sw_sync_fence_count_status(in_fence[1],
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ active = sw_sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(signaled == 1, "in_fence[1] did not signal\n");
+ igt_assert_f(active == 1, "fence_merge signaled too early\n");
+
+ sw_sync_timeline_inc(timeline, 1);
+ signaled = sw_sync_fence_count_status(in_fence[2],
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(signaled == 1, "in_fence[2] did not signal\n");
+ signaled = sw_sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ active = sw_sync_fence_count_status(fence_merge,
+ SW_SYNC_FENCE_STATUS_ACTIVE);
+ igt_assert_f(active == 0 && signaled == 1,
+ "fence_merge did not signal\n");
+
+ sw_sync_fence_destroy(in_fence[0]);
+ sw_sync_fence_destroy(in_fence[1]);
+ sw_sync_fence_destroy(in_fence[2]);
+ sw_sync_fence_destroy(fence_merge);
+ sw_sync_timeline_destroy(timeline);
+}
+
igt_main
{
igt_subtest("alloc_timeline")
@@ -132,5 +196,8 @@ igt_main
igt_subtest("sync_wait")
test_sync_wait();
+
+ igt_subtest("sync_merge")
+ test_sync_merge();
}
--
2.9.3
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