static TAutoConsoleVariable<int32> CVarDetailMode(
	TEXT("r.DetailMode"),
	3,
	TEXT("Current detail mode; determines whether components of actors should be updated/ ticked.\n"
		" 0: low, show objects with DetailMode low\n"
		" 1: medium, show objects with DetailMode medium or below\n"
		" 2: high, show objects with DetailMode high or below\n"
		" 3: epic, show all objects (default)"),

file
function     bool UEditorEngine::HandleSetDetailModeViewCommand

		// Detail mode was modified, so store in the CVar
		static IConsoleVariable* DetailModeCVar = IConsoleManager::Get().FindConsoleVariable(TEXT("r.DetailMode"));
		check (DetailMode);
		DetailModeCVar->Set(DetailMode);
	}

	RedrawLevelEditingViewports( true );
	return true;

file
class        class USceneCaptureComponent2D : public USceneCaptureComponent

	/**
	 * Render the scene to the texture the next time the main view is rendered.
	 * If r.SceneCapture.CullByDetailMode is set, nothing will happen if DetailMode is higher than r.DetailMode.
	 */
	ENGINE_API void CaptureSceneDeferred();

	// For backwards compatibility
	void UpdateContent() { CaptureSceneDeferred(); }

	/** 
	 * Render the scene to the texture target immediately.  
	 * This should not be used if bCaptureEveryFrame is enabled, or the scene capture will render redundantly. 
	 * If r.SceneCapture.CullByDetailMode is set, nothing will happen if DetailMode is higher than r.DetailMode.
	 */
	UFUNCTION(BlueprintCallable,Category = "Rendering|SceneCapture")
	ENGINE_API void CaptureScene();

	ENGINE_API void UpdateSceneCaptureContents(FSceneInterface* Scene) override;

	/* Return if orthographic tiling rendering is enabled or not */
	ENGINE_API bool GetEnableOrthographicTiling() const;

	/* Return number of X tiles to render (to be used when orthographic tiling rendering is enabled) */

file
class        class USceneCaptureComponentCube : public USceneCaptureComponent

	/**
	 * Render the scene to the texture the next time the main view is rendered.
	 * If r.SceneCapture.CullByDetailMode is set, nothing will happen if DetailMode is higher than r.DetailMode.
	 */
	ENGINE_API void CaptureSceneDeferred();

	/** 
	 * Render the scene to the texture target immediately.  
	 * This should not be used if bCaptureEveryFrame is enabled, or the scene capture will render redundantly. 
	 * If r.SceneCapture.CullByDetailMode is set, nothing will happen if DetailMode is higher than r.DetailMode.
	 */
	UFUNCTION(BlueprintCallable,Category = "Rendering|SceneCapture")
	ENGINE_API void CaptureScene();

	// For backwards compatibility
	void UpdateContent() { CaptureSceneDeferred(); }

	ENGINE_API void UpdateSceneCaptureContents(FSceneInterface* Scene) override;

	/** Whether this component is a USceneCaptureComponentCube */

	/**
	 * Get the clamped state of r.DetailMode, see console variable help (allows for scalability, cannot be used in construction scripts)
	 * 0: low, show objects with DetailMode low
	 * 1: medium, show objects with DetailMode medium or below
	 * 2: high, show objects with DetailMode high or below
	 * 3: epic, show all objects
	 */
	UFUNCTION(BlueprintPure, Category="Rendering", meta=(UnsafeDuringActorConstruction = "true"))
	static ENGINE_API int32 GetRenderingDetailMode();

	/**
	 * Get the clamped state of r.MaterialQualityLevel, see console variable help (allows for scalability, cannot be used in construction scripts)
	 * 0: low
	 * 1: high

file
function     bool AActor::NeedsLoadForTargetPlatform

		{
			int32 CVarDetailMode;
			if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
			{
				// Check root component's detail mode.
				// If e.g. the component's detail mode is High and the platform detail is Medium,
				// then we should cull it.
				if((int32)RootComponent->DetailMode > CVarDetailMode)
				{

file
function     static bool SceneComponentNeedsLoadForTarget

		{
			int32 CVarDetailMode;
			if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
			{
				// Check component's detail mode.
				// If e.g. the component's detail mode is High and the platform detail is Medium,
				// then we should cull it.
				if((int32)SceneComponentObject->DetailMode > CVarDetailMode)
				{

file
function     int32 UKismetSystemLibrary::GetRenderingDetailMode

int32 UKismetSystemLibrary::GetRenderingDetailMode()
{
	static const IConsoleVariable* CVar = IConsoleManager::Get().FindConsoleVariable(TEXT("r.DetailMode"));

	// clamp range
	int32 Ret = FMath::Clamp(CVar->GetInt(), 0, DM_MAX - 1);

	return Ret;
}

file
function     void UParticleSystem::Serialize

				// get the detail mode from the device platform ini; if it's not there, we assume all detail modes
				int32 CVarDetailMode = PDM_DefaultValue;
				if (DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
				{
					CookTargetPlatformDetailModeMask = (1 << CVarDetailMode);
				}
			}
		}

file
function     void DetailModeSink

	//This Cvar sink can happen before the one which primes the cached scalability cvars so we must grab this ourselves.
	IConsoleManager& ConsoleMan = IConsoleManager::Get();
	static const auto DetailMode = ConsoleMan.FindTConsoleVariableDataInt(TEXT("r.DetailMode"));
	int32 NewDetailMode = DetailMode->GetValueOnGameThread();
	static int32 CachedDetailMode = NewDetailMode;

	if (CachedDetailMode != NewDetailMode)
	{
		CachedDetailMode = NewDetailMode;

file
function     void ScalabilityCVarsSinkCallback

	{
		static const auto DetailMode = ConsoleMan.FindTConsoleVariableDataInt(TEXT("r.DetailMode"));
		LocalScalabilityCVars.DetailMode = DetailMode->GetValueOnGameThread();
	}

	{
		static const auto* MaxAnisotropy = ConsoleMan.FindTConsoleVariableDataInt(TEXT("r.MaxAnisotropy"));
		LocalScalabilityCVars.MaxAnisotropy = MaxAnisotropy->GetValueOnGameThread();

file
function     static void GrassCVarSinkFunction

	float GrassCullDistanceScale = GGrassCullDistanceScale;

	static const IConsoleVariable* DetailModeCVar = IConsoleManager::Get().FindConsoleVariable(TEXT("r.DetailMode"));
	static int32 CachedDetailMode = DetailModeCVar ? DetailModeCVar->GetInt() : 0;
	int32 DetailMode = DetailModeCVar ? DetailModeCVar->GetInt() : 0;

	static const IConsoleVariable* NaniteEnabledCVar = IConsoleManager::Get().FindConsoleVariable(TEXT("r.Nanite"));
	static int32 CachedNaniteEnabled = NaniteEnabledCVar ? NaniteEnabledCVar->GetInt() : 0;
	int32 NaniteEnabled = NaniteEnabledCVar ? NaniteEnabledCVar->GetInt() : 0;

	ECVF_RenderThreadSafe);

static TAutoConsoleVariable<int32> CVarDetailMode(
	TEXT("r.DetailMode"),
	3,
	TEXT("Current detail mode; determines whether components of actors should be updated/ ticked.\n"
		" 0: low, show objects with DetailMode low\n"
		" 1: medium, show objects with DetailMode medium or below\n"
		" 2: high, show objects with DetailMode high or below\n"

file
function     bool AActor::NeedsLoadForTargetPlatform

		if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.CookOutUnusedDetailModeComponents"), CVarCullBasedOnDetailLevel) && CVarCullBasedOnDetailLevel == 1)
		{
			int32 CVarDetailMode;
			if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
			{
				// Check root component's detail mode.
				// If e.g. the component's detail mode is High and the platform detail is Medium,
				// then we should cull it.
				if((int32)RootComponent->DetailMode > CVarDetailMode)
				{
					return false;
				}
			}
		}
	}

file
function     static bool SceneComponentNeedsLoadForTarget

		if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.CookOutUnusedDetailModeComponents"), CVarCullBasedOnDetailLevel) && CVarCullBasedOnDetailLevel == 1)
		{
			int32 CVarDetailMode;
			if(DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
			{
				// Check component's detail mode.
				// If e.g. the component's detail mode is High and the platform detail is Medium,
				// then we should cull it.
				if((int32)SceneComponentObject->DetailMode > CVarDetailMode)
				{
					return false;
				}
			}
		}
	}

file
function     void UParticleSystem::Serialize

			{
				// get the detail mode from the device platform ini; if it's not there, we assume all detail modes
				int32 CVarDetailMode = PDM_DefaultValue;
				if (DeviceProfile->GetConsolidatedCVarValue(TEXT("r.DetailMode"), CVarDetailMode))
				{
					CookTargetPlatformDetailModeMask = (1 << CVarDetailMode);
				}
			}
		}

		// if we're cooking, save only emitters with matching detail modes
		for (int32 EmitterIdx = 0; EmitterIdx<Emitters.Num(); EmitterIdx++)