I’m trying to set up GPU Lightmass baking for my architectural scene. I’ve enabled the GPU Lightmass plugin, along with Ray Tracing and Virtual Texture Support/Virtual Texture Lightmaps. I’ve got the RHX set to Directx 12.
But when I go to Bake > GPU Lightmass, the “Build Lighting” button is greyed out, with the text “SPU Lightmass requires ray tracing support which is disabled”.
Does anyone know why this is, and how I can enable it? I have the most up-to-date (Oct 2020) version of Windows 10, and I have a Nvidia Quadro k620 with the most up-to-date drivers installed. I’m hoping it’s not a graphics card issue and there’s just a checkbox somewhere I’ve missed.
Thanks!
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