I tried quite a bit getting DLSS to work on 5.5 but it’s just not happening. It compiled fine and loads up but DLSS just does not activate. Works in 5.4 though (obviously).
LogDLSSBlueprint: Loaded DLSS-SR plugin version 3.7.3
LogDLSSNGXVulkanRHIPreInit: FNGXVulkanRHIPreInitModule::StartupModule Enter
LogDLSSNGXVulkanRHIPreInit: GetSelectedDynamicRHIModuleName = D3D12RHI
LogDLSSNGXVulkanRHIPreInit: VulkanRHI is not the active DynamicRHI; skipping of pregistering the required NGX DLSS Vulkan device and instance extensions via the VulkanRHIBridge
LogDLSSNGXVulkanRHIPreInit: FNGXVulkanRHIPreInitModule::StartupModule Leave
LogDLSS: FDLSSModule::StartupModule Enter
LogDLSS: PluginBaseDir P:/UnrealEngineProjects/FPEACE/Plugins/Marketplace/DLSS
LogDLSS: NGXBinariesDir P:/UnrealEngineProjects/FPEACE/Plugins/Marketplace/DLSS/Binaries/ThirdParty/Win64/
LogDLSS: GDynamicRHIName NVIDIA D3D12
LogDLSS: Plugin settings: NGXAppId = 0
LogDLSS: NGX Application ID not specified, using the Project ID by default.
LogDLSSNGXRHI: FNGXRHIModule::StartupModule Enter
LogDLSSNGXRHI: FNGXRHIModule::StartupModule Leave
LogDLSSNGXRHI: Searching for custom and generic DLSS binaries
LogDLSSNGXRHI: NVIDIA NGX DLSS binary nvngx_dlss.dll not found in search path P:\UnrealEngineProjects\FPEACE\Binaries\ThirdParty\NVIDIA\NGX\Win64\
LogDLSSNGXRHI: NVIDIA NGX DLSS binary nvngx_dlss.dll not found in search path P:\UnrealEngineProjects\FPEACE\Intermediate\ProjectFiles\Binaries\ThirdParty\NVIDIA\NGX\Win64\
LogDLSSNGXRHI: NVIDIA NGX DLSS binary nvngx_dlss.dll found in search path P:\UnrealEngineProjects\FPEACE\Plugins\Marketplace\DLSS\Binaries\ThirdParty\Win64\
LogDLSSNGXRHI: DLSS model OTA update enabled
LogDLSSNGX: [SDK]: [2024-11-29 06:53:28] [NGXSafeInitializeLog:141] App logging hooks successfully initialized
LogDLSSNGX: [Core]: [2024-11-29 06:53:28] [NGXSafeInitializeLog:133] App logging hooks successfully initialized
LogDLSSNGX: [DLSS]: [2024-11-29 06:53:28] [tid:17588][NGXInitLog:219] App logging hooks successfully initialized
LogDLSSNGX: [DLSS]: [2024-11-29 06:53:28] [tid:17588][NGXInitLog:226] Built with APP_NAME = custom_engine_generic
LogDLSSNGXD3D12RHI: NVSDK_NGX_D3D12_Init_with_ProjectID(ProjectID = E81A9E2843F89D6A998ED08BF1C8A5B3, EngineVersion=5.5, APIVersion = 0x15, Device=000001C461D41440) -> (1 NVSDK_NGX_Result_Success)
LogDLSSNGXD3D12RHI: NVSDK_NGX_D3D12_Init (Log P:/UnrealEngineProjects/FPEACE/Saved/Logs/NGX/NGX_2024.11.29-06.53.28_4D36B33F48C6E454BDBB74BE53DD7647) -> (1 NVSDK_NGX_Result_Success)
LogDLSSNGXD3D12RHI: NVSDK_NGX_D3D12_GetCapabilityParameters -> (1 NVSDK_NGX_Result_Success)
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSampling_NeedsUpdatedDriver -> (1 NVSDK_NGX_Result_Success), bNeedsUpdatedDriver = 0
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSampling_MinDriverVersionMajor -> (1 NVSDK_NGX_Result_Success), MinDriverVersionMajor = 445
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSampling_MinDriverVersionMinor -> (1 NVSDK_NGX_Result_Success), MinDriverVersionMinor = 0
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSamplingDenoising_NeedsUpdatedDriver -> (1 NVSDK_NGX_Result_Success), bNeedsUpdatedDriver = 0
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSamplingDenoising_MinDriverVersionMajor -> (1 NVSDK_NGX_Result_Success), MinDriverVersionMajor = 0
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSamplingDenoising_MinDriverVersionMinor -> (1 NVSDK_NGX_Result_Success), MinDriverVersionMinor = 0
LogDLSSNGXRHI: NVIDIA NGX DLSS is supported by the currently installed driver. Minimum driver version was reported as: 445.0
LogDLSSNGXRHI: NVIDIA NGX DLSS-RR is supported by the currently installed driver. Minimum driver version was reported as: 0.0
LogDLSSNGXRHI: Get NVSDK_NGX_EParameter_SuperSampling_Available -> (1 NVSDK_NGX_Result_Success), DlssAvailable = 1
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSamplingDenoising_Available -> (3134193680 NVSDK_NGX_Result_FAIL_UnsupportedParameter), DlssRRAvailable = 0
LogDLSSNGXRHI: Get NVSDK_NGX_Parameter_SuperSamplingDenoising_FeatureInitResult -> (3134193680 NVSDK_NGX_Result_FAIL_UnsupportedParameter), NVSDK_NGX_Parameter_SuperSamplingDenoising_FeatureInitResult = (3134193664 NVSDK_NGX_Result_Fail)
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode -2: bSupported = 1, ResolutionFraction = 0.3330. MinResolutionFraction=0.3330, MaxResolutionFraction 0.3330
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode -1: bSupported = 1, ResolutionFraction = 0.5000. MinResolutionFraction=0.5000, MaxResolutionFraction 1.0000
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode 0: bSupported = 1, ResolutionFraction = 0.5800. MinResolutionFraction=0.5000, MaxResolutionFraction 1.0000
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode 1: bSupported = 1, ResolutionFraction = 0.6670. MinResolutionFraction=0.5000, MaxResolutionFraction 1.0000
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode 2: bSupported = 0, ResolutionFraction = 0.0000. MinResolutionFraction=0.0000, MaxResolutionFraction 0.0000
LogDLSSNGXRHI: NGX_DLSS_GET_OPTIMAL_SETTINGS -> (1 NVSDK_NGX_Result_Success)
LogDLSS: QualityMode 3: bSupported = 1, ResolutionFraction = 1.0000. MinResolutionFraction=0.9900, MaxResolutionFraction 1.0000
LogDLSS: NumRuntimeQualityModes=5, MinDynamicResolutionFraction=0.5000, MaxDynamicResolutionFraction=1.0000
LogDLSS: NVIDIA NGX DLSS supported SR=1 RR=0
LogDLSS: FDLSSDenoiserWrapper(Active) wrapping ScreenSpaceDenoiser
LogDLSS: FDLSSModule::StartupModule Leave
LogDLSSEditor: FDLSSEditorModule::StartupModule Enter
LogDLSSEditor: DLSS module 000004EE0FF6EB20, QueryDLSSSupport = 0 DLSSUpscaler = 000004EE0FDA55D0
LogDLSSEditor: FDLSSEditorModule::StartupModule Leave