diff --git a/OptiScaler/backends/IFeature.h b/OptiScaler/backends/IFeature.h
index d7086da0..38df1fb9 100644
--- a/OptiScaler/backends/IFeature.h
+++ b/OptiScaler/backends/IFeature.h
@@ -14,16 +14,16 @@ typedef struct _feature_version
 	unsigned int patch;
 } FeatureVersion;
 
-inline static unsigned int handleCounter = 1000000;
 
 class IFeature
 {
 private:
 	bool _isInited = false;
+	inline static unsigned int handleCounter = 1000000;
 
 protected:
 	unsigned int _handleId = 0;
-	IFeatureCreateParams _createParams = {};
+	IFeatureCreateParams _createParams;
 
 	bool _hasColor = false;
 	bool _hasDepth = false;
@@ -31,7 +31,7 @@ protected:
 	bool _hasTM = false;
 	bool _hasExposure = false;
 	bool _hasOutput = false;
-	
+
 	unsigned int _renderWidth = 0;
 	unsigned int _renderHeight = 0;
 	unsigned int _targetWidth = 0;
@@ -44,20 +44,20 @@ protected:
 	long _frameCount = 0;
 	bool _moduleLoaded = false;
 
-	void SetHandle(unsigned int InHandleId) 
+	void SetHandle(unsigned int InHandleId)
 	{
 		_handleId = InHandleId;
 		spdlog::info("IFeatureContext::SetHandle Handle: {0}", _handleId);
 	}
 
-	void SetInit(bool InValue) 
-	{ 
-		_isInited = InValue; 
+	void SetInit(bool InValue)
+	{
+		_isInited = InValue;
 	}
 
 public:
 	static unsigned int GetNextHandleId() { return handleCounter++; }
-	
+
 	unsigned int DisplayWidth() const { return _displayWidth; };
 	unsigned int DisplayHeight() const { return _displayHeight; };
 	unsigned int TargetWidth() const { return _targetWidth; };
@@ -65,10 +65,11 @@ public:
 	unsigned int RenderWidth() const { return _renderWidth; };
 	unsigned int RenderHeight() const { return _renderHeight; };
 	CommonQualityPreset PerfQualityValue() const { return _createParams.QualityPreset(); }
-	
-	
+
+	const IFeatureCreateParams CreateParams() { return _createParams; }
+
 	bool IsInited() const { return _isInited; }
-	
+
 	float Sharpness() const { return _sharpness; }
 	bool HasColor() const { return _hasColor; }
 	bool HasDepth() const { return _hasDepth; }
@@ -76,9 +77,9 @@ public:
 	bool HasTM() const { return _hasTM; }
 	bool HasExposure() const { return _hasExposure; }
 	bool HasOutput() const { return _hasOutput; }
-	
-	virtual FeatureVersion Version() = 0;
-	virtual const char* Name() = 0;
+
+	virtual FeatureVersion Version() { return {}; }
+	virtual const char* Name() { return "Base"; }
 
 	bool ModuleLoaded() const { return _moduleLoaded; }
 	long FrameCount() const { return _frameCount; }
diff --git a/OptiScaler/backends/IFeatureCreateParams.h b/OptiScaler/backends/IFeatureCreateParams.h
index 6e58e80e..635322f9 100644
--- a/OptiScaler/backends/IFeatureCreateParams.h
+++ b/OptiScaler/backends/IFeatureCreateParams.h
@@ -1,17 +1,6 @@
 #pragma once
 #include "../pch.h"
 
-enum CommonQualityPreset
-{
-	NativeAA,
-	UltraQuality,
-	Quality,
-	Balanced,
-	Performance,
-	UltraPerformance,
-	Undefined
-};
-
 class IFeatureCreateParams
 {
 protected:
@@ -37,6 +26,8 @@ protected:
 public:
 	bool IsInited() const { return _isInited; }
 
+	virtual ParamterSource Source() { return Base; }
+
 	uint32_t RenderWidth() const { return _renderWidth; }
 	uint32_t RenderHeight() const { return _renderHeight; }
 	uint32_t DisplayWidth() const { return _displayWidth; }
diff --git a/OptiScaler/backends/IFeatureCreateParams_DLSS.h b/OptiScaler/backends/IFeatureCreateParams_DLSS.h
index 5fd556ab..595ef822 100644
--- a/OptiScaler/backends/IFeatureCreateParams_DLSS.h
+++ b/OptiScaler/backends/IFeatureCreateParams_DLSS.h
@@ -10,6 +10,7 @@ class IFeatureCreateParams_DLSS : public IFeatureCreateParams
 {
 private:
 	const NVNGX_Init_Info _initInfo;
+	const NVSDK_NGX_Parameter* _nvParameter = nullptr;
 
 	inline static CommonQualityPreset GetQualityPreset(int pqValue)
 	{
@@ -52,6 +53,8 @@ public:
 		if (InParameters == nullptr)
 			return;
 
+		_nvParameter = InParameters;
+
 		NVSDK_NGX_Result result;
 
 		unsigned int width = 0;
@@ -191,4 +194,8 @@ public:
 	}
 
 	NVNGX_Init_Info InitInfo() { return _initInfo; }
+
+	const NVSDK_NGX_Parameter* NvParameter() { return _nvParameter; }
+
+	ParamterSource Source() final { return DLSS; }
 };
\ No newline at end of file
diff --git a/OptiScaler/backends/IFeatureEvaluateParams.h b/OptiScaler/backends/IFeatureEvaluateParams.h
index 23204451..dd449c43 100644
--- a/OptiScaler/backends/IFeatureEvaluateParams.h
+++ b/OptiScaler/backends/IFeatureEvaluateParams.h
@@ -47,6 +47,7 @@ protected:
 
 	float _sharpness = 0.0f;
 	float _exposureScale = 1.0f;
+	float _preExposure = 1.0f;
 	float _frameTimeDelta = 0.0f;
 
 	bool _reset = false;
@@ -66,6 +67,8 @@ public:
 		}
 	}
 
+	virtual ParamterSource Source() { return Base; }
+
 	bool IsInited() const { return _isInited; }
 
 	void* InputColor() const { return _inputColor; }
diff --git a/OptiScaler/backends/IFeatureEvaluateParams_DLSS.h b/OptiScaler/backends/IFeatureEvaluateParams_DLSS.h
index 6319fabd..ee99a209 100644
--- a/OptiScaler/backends/IFeatureEvaluateParams_DLSS.h
+++ b/OptiScaler/backends/IFeatureEvaluateParams_DLSS.h
@@ -5,6 +5,10 @@
 class IFeatureEvaluateParams_DLSS : public IFeatureEvaluateParams
 {
 private:
+	double _lastFrameTime = 0.0;
+
+	const NVSDK_NGX_Parameter* _nvParameter = nullptr;
+
 	void GetRenderResolution(const NVSDK_NGX_Parameter* InParameters)
 	{
 		uint32_t OutWidth;
@@ -64,9 +68,15 @@ private:
 public:
 	IFeatureEvaluateParams_DLSS(const NVSDK_NGX_Parameter* InParameters) : IFeatureEvaluateParams()
 	{
+		_nvParameter = InParameters;
+
 		InParameters->Get(NVSDK_NGX_Parameter_Jitter_Offset_X, &_jitterOffsetX);
 		InParameters->Get(NVSDK_NGX_Parameter_Jitter_Offset_Y, &_jitterOffsetY);
 		InParameters->Get(NVSDK_NGX_Parameter_DLSS_Exposure_Scale, &_exposureScale);
+		InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &_preExposure);
+		InParameters->Get(NVSDK_NGX_Parameter_MV_Scale_X, &_mvScaleX);
+		InParameters->Get(NVSDK_NGX_Parameter_MV_Scale_Y, &_mvScaleY);
+		InParameters->Get(NVSDK_NGX_Parameter_Sharpness, &_sharpness);
 
 		int reset = 0;
 		InParameters->Get(NVSDK_NGX_Parameter_Reset, &reset);
@@ -79,15 +89,13 @@ public:
 		InParameters->Get(NVSDK_NGX_Parameter_DLSS_Input_Bias_Current_Color_Mask, &_inputMask);
 		InParameters->Get(NVSDK_NGX_Parameter_Output, &_outputColor);
 		
-		InParameters->Get(NVSDK_NGX_Parameter_MV_Scale_X, &_mvScaleX);
-		InParameters->Get(NVSDK_NGX_Parameter_MV_Scale_Y, &_mvScaleY);
 
 		float ftDelta = 0.0f;
 		if (InParameters->Get(NVSDK_NGX_Parameter_FrameTimeDeltaInMsec, &ftDelta) == NVSDK_NGX_Result_Success || ftDelta > 1.0f)
 			_frameTimeDelta = ftDelta;
 
-		InParameters->Get(NVSDK_NGX_Parameter_Sharpness, &_sharpness);
-
 		GetRenderResolution(InParameters);
 	}
+
+	ParamterSource Source() final { return DLSS; }
 };
\ No newline at end of file
diff --git a/OptiScaler/backends/IFeature_Dx12.h b/OptiScaler/backends/IFeature_Dx12.h
index a4693182..429237b2 100644
--- a/OptiScaler/backends/IFeature_Dx12.h
+++ b/OptiScaler/backends/IFeature_Dx12.h
@@ -25,10 +25,6 @@ protected:
 public:
 	virtual bool Init(ID3D12Device* InDevice, ID3D12GraphicsCommandList* InCommandList) = 0;
 	virtual bool Evaluate(ID3D12GraphicsCommandList* InCommandList, const IFeatureEvaluateParams* InParams) = 0;
-	virtual bool Evaluate(ID3D12GraphicsCommandList* InCommandList, const IFeatureEvaluateParams* InParams) = 0;
-
-	bool BeforeEvaluate(ID3D12GraphicsCommandList* InCommandList, const IFeatureEvaluateParams* InParams, ID3D12Resource* OutputTexture);
-	void AfterEvaluate(ID3D12GraphicsCommandList* InCommandList, const IFeatureEvaluateParams* InParams, ID3D12Resource* OutputTexture);
 
 	IFeature_Dx12(unsigned int InHandleId, const IFeatureCreateParams InParameters);
 
diff --git a/OptiScaler/pch.h b/OptiScaler/pch.h
index 076ed166..6aaa6b37 100644
--- a/OptiScaler/pch.h
+++ b/OptiScaler/pch.h
@@ -18,5 +18,24 @@
 #define SPDLOG_USE_STD_FORMAT
 #include "spdlog/spdlog.h"
 
+enum ParamterSource
+{
+	Base,
+	DLSS,
+	XeSS,
+	FSR
+};
+
+enum CommonQualityPreset
+{
+	NativeAA,
+	UltraQuality,
+	Quality,
+	Balanced,
+	Performance,
+	UltraPerformance,
+	Undefined
+};
+
 inline HMODULE dllModule;
 inline DWORD processId;