Render changes

apps/RenderCadenceCompositor/render/RuntimeRenderScene.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "../runtime/RuntimeLayerModel.h"
+#include "RuntimeShaderRenderer.h"
+
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <vector>
+
+class RuntimeRenderScene
+{
+public:
+	RuntimeRenderScene() = default;
+	RuntimeRenderScene(const RuntimeRenderScene&) = delete;
+	RuntimeRenderScene& operator=(const RuntimeRenderScene&) = delete;
+	~RuntimeRenderScene();
+
+	bool CommitRenderLayers(const std::vector<RenderCadenceCompositor::RuntimeRenderLayerModel>& layers, std::string& error);
+	bool HasLayers() const { return !mLayerOrder.empty(); }
+	void RenderFrame(uint64_t frameIndex, unsigned width, unsigned height);
+	void ShutdownGl();
+
+private:
+	struct LayerProgram
+	{
+		std::string layerId;
+		std::string shaderId;
+		std::string sourceFingerprint;
+		std::unique_ptr<RuntimeShaderRenderer> renderer;
+	};
+
+	LayerProgram* FindLayer(const std::string& layerId);
+	const LayerProgram* FindLayer(const std::string& layerId) const;
+	static std::string Fingerprint(const RuntimeShaderArtifact& artifact);
+
+	std::vector<LayerProgram> mLayers;
+	std::vector<std::string> mLayerOrder;
+};