WebSplatter: Enabling Cross-Device Efficient Gaussian Splatting in Web Browsers via WebGPU

• URL: http://arxiv.org/abs/2602.03207v1
• Date: Tue, 03 Feb 2026 07:18:40 GMT
• Title: WebSplatter: Enabling Cross-Device Efficient Gaussian Splatting in Web Browsers via WebGPU
• Authors: Yudong Han, Chao Xu, Xiaodan Ye, Weichen Bi, Zilong Dong, Yun Ma,
• Abstract summary: WebSplatter is an end-to-end GPU rendering pipeline for the heterogeneous web ecosystem.<n>WebSplatter consistently achieves 1.2$times$ to 4.5$times$ speedups over state-of-the-art web viewers.
• Score: 15.600893263003053
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present WebSplatter, an end-to-end GPU rendering pipeline for the heterogeneous web ecosystem. Unlike naive ports, WebSplatter introduces a wait-free hierarchical radix sort that circumvents the lack of global atomics in WebGPU, ensuring deterministic execution across diverse hardware. Furthermore, we propose an opacity-aware geometry culling stage that dynamically prunes splats before rasterization, significantly reducing overdraw and peak memory footprint. Evaluation demonstrates that WebSplatter consistently achieves 1.2$\times$ to 4.5$\times$ speedups over state-of-the-art web viewers.

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