Latch Unsignaled when only a single layer is being updated.
Three conditions are introduced.
DISABLED (Default for now): This is when latch unsignaled is completely disabled.
AUTO: This is when we will latch for the single layer update. Further refinements will be done in b/200284381
ALWAYS: This will latch unsignaled no matter what the change is.
BUG: 198189193
Test: Did the manual test and
atest libsurfaceflinger_unittest
atest MockFence_test
atest libgui_test
Change-Id: I0c0b475ba4a093275fac23a986fc610ea462f73e
diff --git a/libs/ui/tests/MockFence_test.cpp b/libs/ui/tests/MockFence_test.cpp
index 6e520b1..40dddc3 100644
--- a/libs/ui/tests/MockFence_test.cpp
+++ b/libs/ui/tests/MockFence_test.cpp
@@ -42,4 +42,16 @@
EXPECT_EQ(1234, fence->getSignalTime());
}
+TEST_F(MockFenceTest, getStatus) {
+ sp<Fence> fence = getFenceForTesting();
+
+ EXPECT_CALL(getMockFence(), getStatus).WillOnce(Return(Fence::Status::Unsignaled));
+ EXPECT_EQ(Fence::Status::Unsignaled, fence->getStatus());
+
+ EXPECT_CALL(getMockFence(), getStatus).WillOnce(Return(Fence::Status::Signaled));
+ EXPECT_EQ(Fence::Status::Signaled, fence->getStatus());
+
+ EXPECT_CALL(getMockFence(), getStatus).WillOnce(Return(Fence::Status::Invalid));
+ EXPECT_EQ(Fence::Status::Invalid, fence->getStatus());
+}
} // namespace android::ui