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Explore the fundamentals of lightmapping and the Progressive Lightmapper in this 47-minute Unity conference talk from Unite Berlin 2018. Delve into optimization techniques for baking in the Progressive Lightmapper, gain an overview of key parameters, and learn to address common user issues. Discover the importance of managing texel count, scaling objects with low variation, and understanding different light modes. Examine probe lighting, LOD projections, and filtering techniques. Get insights into the GPU baking backend and AMD RadeonRays. Conclude with a glimpse into the future of lightmapping in Unity and key takeaways for improving your lightmapping workflow.
Syllabus
Progressive Lightmapper: An introduction to lightmapping in Unity
The problem with Lightmapping...
Progressive updates
Today's menu
Optimizing baking in the Progressive Lightmapper
Lightmapping at a glance
An overview of the parameters
Understanding texels
Keep a low texel count
Scale objects with low variation
Light Modes
Probe lighting
(not)Lightmapping LODs - projection
Filtering
The GPU baking backend
AMD RadeonRays
The Future
Take-away
Taught by
Unity