GROUND WORK PHASE 3

apps/LoopThroughWithOpenGLCompositing/runtime/live/RuntimeLiveState.h

@@ -0,0 +1,71 @@
+#pragma once
+
+#include "RuntimeJson.h"
+#include "ShaderTypes.h"
+
+#include <chrono>
+#include <cstdint>
+#include <map>
+#include <string>
+#include <vector>
+
+struct RuntimeLiveOscUpdate
+{
+	std::string routeKey;
+	std::string layerKey;
+	std::string parameterKey;
+	JsonValue targetValue;
+};
+
+struct RuntimeLiveOscCommitCompletion
+{
+	std::string routeKey;
+	uint64_t generation = 0;
+};
+
+struct RuntimeLiveOscCommitRequest
+{
+	std::string routeKey;
+	std::string layerKey;
+	std::string parameterKey;
+	JsonValue value;
+	uint64_t generation = 0;
+};
+
+struct RuntimeLiveStateApplyOptions
+{
+	bool allowCommit = false;
+	double smoothing = 0.0;
+	std::chrono::milliseconds commitDelay = std::chrono::milliseconds(150);
+	std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
+};
+
+class RuntimeLiveState
+{
+public:
+	void Clear();
+	std::size_t OverlayCount() const;
+	void ApplyOscUpdates(const std::vector<RuntimeLiveOscUpdate>& updates);
+	void ApplyOscCommitCompletions(const std::vector<RuntimeLiveOscCommitCompletion>& completedCommits);
+	void ApplyToLayerStates(
+		std::vector<RuntimeRenderState>& states,
+		const RuntimeLiveStateApplyOptions& options,
+		std::vector<RuntimeLiveOscCommitRequest>* commitRequests);
+
+private:
+	struct OscOverlayState
+	{
+		std::string layerKey;
+		std::string parameterKey;
+		JsonValue targetValue;
+		ShaderParameterValue currentValue;
+		bool hasCurrentValue = false;
+		std::chrono::steady_clock::time_point lastUpdatedTime;
+		std::chrono::steady_clock::time_point lastAppliedTime;
+		uint64_t generation = 0;
+		uint64_t pendingCommitGeneration = 0;
+		bool commitQueued = false;
+	};
+
+	std::map<std::string, OscOverlayState> mOscOverlayStates;
+};