diff options
Diffstat (limited to 'chromium/components/viz/service/hit_test/hit_test_aggregator.h')
| -rw-r--r-- | chromium/components/viz/service/hit_test/hit_test_aggregator.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/chromium/components/viz/service/hit_test/hit_test_aggregator.h b/chromium/components/viz/service/hit_test/hit_test_aggregator.h index 2b53f958bfd..3d09c6680d4 100644 --- a/chromium/components/viz/service/hit_test/hit_test_aggregator.h +++ b/chromium/components/viz/service/hit_test/hit_test_aggregator.h @@ -95,8 +95,10 @@ class VIZ_SERVICE_EXPORT HitTestAggregator { bool hit_test_debug_ = false; uint32_t hit_test_debug_ask_regions_ = 0; - // This is the set of FrameSinkIds referenced in the aggregation so far, used - // to detect cycles. + // This is the set of FrameSinkIds referenced in the aggregation in this tree + // chain so far, used to detect cycles. We can have regions that have the + // same FrameSinkId, e.g. when ALPHA_SHAPE is set in cc::FilterOperations, + // but only at the same hierarchy level. base::flat_set<FrameSinkId> referenced_child_regions_; base::flat_map<FrameSinkId, uint64_t> last_active_frame_index_; |