Shader ownership change

apps/RenderCadenceCompositor/app/RenderCadenceApp.h

@@ -1,11 +1,13 @@
 #pragma once
 
 #include "AppConfig.h"
+#include "../runtime/RuntimeSlangShaderCompiler.h"
 #include "../telemetry/TelemetryPrinter.h"
 #include "../video/DeckLinkOutput.h"
 #include "../video/DeckLinkOutputThread.h"
 
 #include <chrono>
+#include <iostream>
 #include <string>
 #include <thread>
 #include <type_traits>
@@ -78,6 +80,7 @@ public:
 			Stop();
 			return false;
 		}
+		StartRuntimeShaderBuild();
 
 		if (!mFrameExchange.WaitForCompletedDepth(mConfig.warmupCompletedFrames, mConfig.warmupTimeout))
 		{
@@ -116,6 +119,7 @@ public:
 		mTelemetry.Stop();
 		mOutputThread.Stop();
 		mOutput.Stop();
+		StopRuntimeShaderBuild();
 		mRenderThread.Stop();
 		mOutput.ReleaseResources();
 		mStarted = false;
@@ -137,12 +141,47 @@ private:
 		return false;
 	}
 
+	void StartRuntimeShaderBuild()
+	{
+		mShaderCompiler.StartHappyAccidentBuild();
+		mShaderBridgeStopping = false;
+		mShaderBridgeThread = std::thread([this]() { ShaderBridgeMain(); });
+	}
+
+	void StopRuntimeShaderBuild()
+	{
+		mShaderBridgeStopping = true;
+		if (mShaderBridgeThread.joinable())
+			mShaderBridgeThread.join();
+		mShaderCompiler.Stop();
+	}
+
+	void ShaderBridgeMain()
+	{
+		while (!mShaderBridgeStopping)
+		{
+			RuntimeSlangShaderBuild build;
+			if (mShaderCompiler.TryConsume(build))
+			{
+				if (build.succeeded)
+					mRenderThread.SubmitRuntimeShaderArtifact(build.artifact);
+				else
+					std::cout << "Runtime Slang build failed: " << build.message << "\n";
+				return;
+			}
+			std::this_thread::sleep_for(std::chrono::milliseconds(5));
+		}
+	}
+
 	RenderThread& mRenderThread;
 	SystemFrameExchange& mFrameExchange;
 	AppConfig mConfig;
 	DeckLinkOutput mOutput;
 	DeckLinkOutputThread<SystemFrameExchange> mOutputThread;
 	TelemetryPrinter mTelemetry;
+	RuntimeSlangShaderCompiler mShaderCompiler;
+	std::thread mShaderBridgeThread;
+	std::atomic<bool> mShaderBridgeStopping{ false };
 	bool mStarted = false;
 };
 }