Json telemetry

apps/RenderCadenceCompositor/telemetry/CadenceTelemetryJson.h

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+#pragma once
+
+#include "CadenceTelemetry.h"
+#include "../json/JsonWriter.h"
+
+#include <cstdint>
+#include <string>
+
+namespace RenderCadenceCompositor
+{
+inline void WriteCadenceTelemetryJson(JsonWriter& writer, const CadenceTelemetrySnapshot& snapshot)
+{
+	writer.BeginObject();
+	writer.KeyDouble("sampleSeconds", snapshot.sampleSeconds);
+	writer.KeyDouble("renderFps", snapshot.renderFps);
+	writer.KeyDouble("scheduleFps", snapshot.scheduleFps);
+	writer.KeyUInt("free", static_cast<uint64_t>(snapshot.freeFrames));
+	writer.KeyUInt("completed", static_cast<uint64_t>(snapshot.completedFrames));
+	writer.KeyUInt("scheduled", static_cast<uint64_t>(snapshot.scheduledFrames));
+	writer.KeyUInt("renderedTotal", snapshot.renderedTotal);
+	writer.KeyUInt("scheduledTotal", snapshot.scheduledTotal);
+	writer.KeyUInt("completedPollMisses", snapshot.completedPollMisses);
+	writer.KeyUInt("scheduleFailures", snapshot.scheduleFailures);
+	writer.KeyUInt("completions", snapshot.completions);
+	writer.KeyUInt("late", snapshot.displayedLate);
+	writer.KeyUInt("dropped", snapshot.dropped);
+	writer.KeyUInt("shaderCommitted", snapshot.shaderBuildsCommitted);
+	writer.KeyUInt("shaderFailures", snapshot.shaderBuildFailures);
+	writer.KeyBool("deckLinkBufferedAvailable", snapshot.deckLinkBufferedAvailable);
+	writer.Key("deckLinkBuffered");
+	if (snapshot.deckLinkBufferedAvailable)
+		writer.UInt(snapshot.deckLinkBuffered);
+	else
+		writer.Null();
+	writer.KeyDouble("scheduleCallMs", snapshot.deckLinkScheduleCallMilliseconds);
+	writer.EndObject();
+}
+
+inline std::string CadenceTelemetryToJson(const CadenceTelemetrySnapshot& snapshot)
+{
+	JsonWriter writer;
+	WriteCadenceTelemetryJson(writer, snapshot);
+	return writer.StringValue();
+}
+}