is a sample application, with source code, that allows developers to
work with several shadowing techniques, examine the performance versus
quality tradeoffs of each one, and discover which is best suited for
their game. In this first version of Shadow Explorer, we include four
algorithms for evaluation: simple shadow maps, percentage closer shadow
maps, variance shadow maps and exponential variance shadow maps. Each
method is optimized for performance and exposes several variables, which
allow the developer to further refine the technique in real time.
Additionally, two scenes are provided to enable the developer to explore
the strengths of each technique on different types of geometry.
The screenshot in the top shows Shadow Explorer configured to show
Exponential Variance Shadow Maps with 5 cascades. The bottom screenshot
shows how the light space and the cascades can be visualized
concurrently as the user changes multiple shadow techniques and inputs
in real time.
* See video to see it in
* Download Source
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Thanks, this is cool!