step 3

apps/LoopThroughWithOpenGLCompositing/runtime/coordination/RuntimeCoordinator.cpp

@@ -56,6 +56,11 @@ RuntimeCoordinatorResult RuntimeCoordinator::RemoveLayer(const std::string& laye
 	}
 
 	RuntimeCoordinatorResult result = ApplyStoreMutation(mRuntimeStore.DeleteStoredLayer(layerId, error), error, true, true, true);
+	if (result.accepted)
+	{
+		result.transientOscInvalidation = RuntimeCoordinatorTransientOscInvalidation::Layer;
+		result.transientOscLayerKey = layerId;
+	}
 	PublishCoordinatorResult("RemoveLayer", result);
 	return result;
 }
@@ -205,7 +210,8 @@ RuntimeCoordinatorResult RuntimeCoordinator::ResetLayerParameters(const std::str
 		return result;
 	}
 
-	result.clearTransientOscState = true;
+	result.transientOscInvalidation = RuntimeCoordinatorTransientOscInvalidation::Layer;
+	result.transientOscLayerKey = layerId;
 	result.renderResetScope = RuntimeCoordinatorRenderResetScope::TemporalHistoryAndFeedback;
 	PublishCoordinatorResult("ResetLayerParameters", result);
 	return result;
@@ -538,7 +544,7 @@ void RuntimeCoordinator::PublishCoordinatorResult(const std::string& action, con
 		mutation.runtimeStateBroadcastRequired = result.runtimeStateBroadcastRequired;
 		mutation.shaderBuildRequested = result.shaderBuildRequested;
 		mutation.persistenceRequested = result.persistenceRequested;
-		mutation.clearTransientOscState = result.clearTransientOscState;
+		mutation.clearTransientOscState = result.transientOscInvalidation != RuntimeCoordinatorTransientOscInvalidation::None;
 		mutation.renderResetScope = ToRuntimeEventRenderResetScope(result.renderResetScope);
 		mutation.errorMessage = result.errorMessage;
 		mRuntimeEventDispatcher.PublishPayload(mutation, "RuntimeCoordinator");

apps/LoopThroughWithOpenGLCompositing/runtime/coordination/RuntimeCoordinator.h

@@ -25,18 +25,26 @@ enum class RuntimeCoordinatorRenderResetScope
 	TemporalHistoryAndFeedback
 };
 
+enum class RuntimeCoordinatorTransientOscInvalidation
+{
+	None,
+	Layer,
+	All
+};
+
 struct RuntimeCoordinatorResult
 {
 	bool accepted = false;
 	bool runtimeStateBroadcastRequired = false;
 	bool shaderBuildRequested = false;
 	bool persistenceRequested = false;
-	bool clearTransientOscState = false;
 	bool compileStatusChanged = false;
 	bool compileStatusSucceeded = false;
 	bool clearReloadRequest = false;
 	RuntimeCoordinatorCommittedStateMode committedStateMode = RuntimeCoordinatorCommittedStateMode::Unchanged;
 	RuntimeCoordinatorRenderResetScope renderResetScope = RuntimeCoordinatorRenderResetScope::None;
+	RuntimeCoordinatorTransientOscInvalidation transientOscInvalidation = RuntimeCoordinatorTransientOscInvalidation::None;
+	std::string transientOscLayerKey;
 	std::string compileStatusMessage;
 	std::string errorMessage;
 };