read and use pre exposure value

OptiScaler/backends/fsr2/FSR2Feature.h

@@ -63,7 +63,7 @@ protected:
 public:
 	bool IsDepthInverted() const;
 	feature_version Version() final { return _version; }
-	const char* Name() override { return "FSR"; }
+	const char* Name() override { return "FSR 2.2"; }
 
 	FSR2Feature(unsigned int InHandleId, NVSDK_NGX_Parameter* InParameters) : IFeature(InHandleId, InParameters)
 	{

OptiScaler/backends/fsr2/FSR2Feature_Dx11.cpp

@@ -445,6 +445,7 @@ bool FSR2FeatureDx11::Evaluate(ID3D11DeviceContext* InContext, NVSDK_NGX_Paramet
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
 
 	spdlog::debug("FSR2FeatureDx11::Evaluate Dispatch!!");
 	auto result = ffxFsr2ContextDispatch(&_context, &params);

OptiScaler/backends/fsr2/FSR2Feature_Dx11On12.cpp

@@ -314,6 +314,8 @@ bool FSR2FeatureDx11on12::Evaluate(ID3D11DeviceContext* InDeviceContext, NVSDK_N
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureDx11on12::Evaluate Dispatch!!");
 	auto ffxresult = ffxFsr2ContextDispatch(&_context, &params);

OptiScaler/backends/fsr2/FSR2Feature_Dx12.cpp

@@ -332,6 +332,8 @@ bool FSR2FeatureDx12::Evaluate(ID3D12GraphicsCommandList* InCommandList, NVSDK_N
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureDx12::Evaluate Dispatch!!");
 	auto result = ffxFsr2ContextDispatch(&_context, &params);

OptiScaler/backends/fsr2/FSR2Feature_Vk.cpp

@@ -354,6 +354,8 @@ bool FSR2FeatureVk::Evaluate(VkCommandBuffer InCmdBuffer, NVSDK_NGX_Parameter* I
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureVk::Evaluate Dispatch!!");
 	auto result = ffxFsr2ContextDispatch(&_context, &params);

OptiScaler/backends/fsr2_212/FSR2Feature_212.h

@@ -49,7 +49,7 @@ protected:
 public:
 	bool IsDepthInverted() const;
 	feature_version Version() final { return _version; }
-	const char* Name() override { return "FSR"; }
+	const char* Name() override { return "FSR 2.1"; }
 
 	FSR2Feature212(unsigned int InHandleId, NVSDK_NGX_Parameter* InParameters) : IFeature(InHandleId, InParameters)
 	{

OptiScaler/backends/fsr2_212/FSR2Feature_Dx11On12_212.cpp

@@ -315,6 +315,8 @@ bool FSR2FeatureDx11on12_212::Evaluate(ID3D11DeviceContext* InDeviceContext, NVS
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureDx11on12_212::Evaluate Dispatch!!");
 	auto ffxresult = Fsr212::ffxFsr2ContextDispatch212(&_context, &params);

OptiScaler/backends/fsr2_212/FSR2Feature_Dx12_212.cpp

@@ -312,6 +312,8 @@ bool FSR2FeatureDx12_212::Evaluate(ID3D12GraphicsCommandList* InCommandList, NVS
 	spdlog::debug("FSR2FeatureDx12_212::Evaluate FrameTimeDeltaInMsec: {0}", params.frameTimeDelta);
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureDx12_212::Evaluate Dispatch!!");
 	auto result = Fsr212::ffxFsr2ContextDispatch212(&_context, &params);

OptiScaler/backends/fsr2_212/FSR2Feature_Vk_212.cpp

@@ -349,6 +349,8 @@ bool FSR2FeatureVk212::Evaluate(VkCommandBuffer InCmdBuffer, NVSDK_NGX_Parameter
 		params.frameTimeDelta = (float)GetDeltaTime();
 
 	params.preExposure = 1.0f;
+	InParameters->Get(NVSDK_NGX_Parameter_DLSS_Pre_Exposure, &params.preExposure);
+
 
 	spdlog::debug("FSR2FeatureVk212::Evaluate Dispatch!!");
 	auto result = Fsr212::ffxFsr2ContextDispatch212(&_context, &params);