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    Foliage in AMD FidelityFX™ Brixelizer GI

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    Foliage in AMD FidelityFX™ Brixelizer GI

    • Foliage in AMD FidelityFX™ Brixelizer GI

    The sparse distance field

    AMD FidelityFX Brixelizer GI is a dynamic global illumination solution available for DirectX®12 and Vulkan® as part of the AMD FidelityFX SDK. It leverages the Brixelizer sparse distance field backend to deliver GI that does not require hardware-accelerated ray tracing.

    Currently, Brixelizer GI does not support foliage. Foliage here refers to transparent alpha-clipped geometry. In this two-part blog series, we will investigate Brixelizer GI to pinpoint the problems faced with foliage-heavy scenes.

    The second part will explore and extend the Brixelizer GI algorithm to add support for foliage. The blog will also briefly touch on animated foliage.

    Petter Blomkvist
    Petter Blomkvist

    Petter is a Master's student who has completed a year-long internship at AMD's European Game Engineering Team. Throughout this time, he conducted extensive research on Software-Based GI and assisted in the shipment of Brixelizer™ and Brixelizer GI™.

    Introducing AMD FidelityFX™ Brixelizer

    As of FidelityFX SDK version 1.1, Brixelizer and Brixelizer GI are now unleashed to world so in this article we aim to discuss a few practical use cases and provide you with some tips you can apply for getting the most performance out of Brixelizer in your application.

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