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A Spatio-Temporal Acceleration Framework for Order-Independent Transparency

A Spatio-Temporal Acceleration Framework for Order-Independent Transparency

G. Tsopouridis, Ch. Georgiou-Mousses, A. Panagiotidis, A.A. Vasilakis, T.A. Franke, A. Gorbonosov, A. Astapov, and I. Fudos

Pacific Graphics 2026, Posters, Singapore, October 6-9, 2026

Order-independent transparency (OIT) remains costly, particularly on mobile and legacy hardware. We present a spatio-temporal acceleration suite that exploits spatial and temporal coherence to reduce rendering cost while preserving visual quality. Our method combines adaptive tiled screen-space sampling or hardware-accelerated variable rate shading (VRS) where available, and modular temporal reprojection. Designed as a plug-in acceleration layer, it can be integrated with existing OIT techniques to significantly improve real-time performance with minimal integration overhead.

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Abstract

Order-independent transparency (OIT) remains costly, particularly on mobile and legacy hardware. We present a spatio-temporal acceleration suite that exploits spatial and temporal coherence to reduce rendering cost while preserving visual quality. Our method combines adaptive tiled screen-space sampling or hardware-accelerated variable rate shading (VRS) where available, and modular temporal reprojection. Designed as a plug-in acceleration layer, it can be integrated with existing OIT techniques to significantly improve real-time performance with minimal integration overhead. Click to watch the demo video.

BibTeX Citation

@article{tsopouridis_PG2026,
    booktitle = {Pacific Graphics 2026 - Posters},
    editor = {TBA},
    title = {A Spatio-Temporal Acceleration Framework for Order-Independent Transparency},
    author = {G. Tsopouridis, Ch. Georgiou-Mousses, A. Panagiotidis, A.A. Vasilakis, T.A. Franke3 , A. Gorbonosov, A. Astapov, and I. Fudos},
    year = {2026},
    publisher = {The Eurographics Association}
}