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framework/stats/frame_time_stats_provider.cpp

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+/* Copyright (c) 2020, Broadcom Inc. and Contributors
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+
+#include "frame_time_stats_provider.h"
+
+namespace vkb
+{
+FrameTimeStatsProvider::FrameTimeStatsProvider(std::set<StatIndex> &requested_stats)
+{
+	// We always, and only, support StatIndex::frame_times since it's handled directly by us.
+	// Remove from requested set to stop other providers looking for it.
+	requested_stats.erase(StatIndex::frame_times);
+}
+
+bool FrameTimeStatsProvider::is_available(StatIndex index) const
+{
+	// We only support StatIndex::frame_times
+	return index == StatIndex::frame_times;
+}
+
+StatsProvider::Counters FrameTimeStatsProvider::sample(float delta_time)
+{
+	Counters res;
+	// frame_times comes directly from delta_time
+	res[StatIndex::frame_times].result = delta_time;
+	return res;
+}
+
+}        // namespace vkb