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The Sad State of Hardware Virtual Textures

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Antoine Richermoz, Fabrice Neyret

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Description

The Sad State of Hardware Virtual Textures is a 2025 HAL technical report by Antoine Richermoz and Fabrice Neyret from the MAVERICK team. This URL is the open archive landing page for that single paper.

It revisits virtual textures, also called sparse, tiled, partially resident, or MegaTextures, and why decoupling texture space from memory matters for large terrains and sparse volumetric data. The report outlines software approaches, documents severe limits in current hardware and API support, and compares sampling and tile-binding performance of software versus hardware paths across GPUs and drivers. The goal is to push vendors and driver writers toward more practical sparse-texture support.

It is for intermediate to advanced graphics engineers evaluating sparse or streamed texturing, not beginners learning ordinary mipmapped sampling. GPU memory and streaming background helps.

Access is the HAL open archive record; automated fetches may hit a proof-of-work gate, while a normal browser reaches the deposit metadata and linked document.

It is useful as a reality check before committing an engine to hardware sparse texture APIs. Link last verified accessible on 2026-09-29. Link last verified accessible on 2026-09-28.