1 files changed, 54 insertions, 0 deletions
diff --git a/services/surfaceflinger/Scheduler/Seamlessness.h b/services/surfaceflinger/Scheduler/Seamlessness.h
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+++ b/services/surfaceflinger/Scheduler/Seamlessness.h
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+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstring>
+#include <ostream>
+
+namespace android {
+namespace scheduler {
+
+// The seamlessness requirement of a Layer.
+enum class Seamlessness {
+    // Indicates a requirement for a seamless mode switch.
+    OnlySeamless,
+    // Indicates that both seamless and seamed mode switches are allowed.
+    SeamedAndSeamless,
+    // Indicates no preference for seamlessness. For such layers the system will
+    // prefer seamless switches, but also non-seamless switches to the group of the
+    // default config are allowed.
+    Default
+};
+
+inline std::string toString(Seamlessness seamlessness) {
+    switch (seamlessness) {
+        case Seamlessness::OnlySeamless:
+            return "OnlySeamless";
+        case Seamlessness::SeamedAndSeamless:
+            return "SeamedAndSeamless";
+        case Seamlessness::Default:
+            return "Default";
+    }
+}
+
+// Used by gtest
+inline std::ostream& operator<<(std::ostream& os, Seamlessness val) {
+    return os << toString(val);
+}
+
+} // namespace scheduler
+} // namespace android