webgpu-impl-async-patterns

What problem does it solve?

This Skill prevents WebGPU render loops from stalling when buffers are mapped, data is read back, or pipelines are compiled, keeping the GPU and CPU running in parallel.

Core Features & Use Cases

• Frame Loop Structure: Builds a requestAnimationFrame render loop that submits work cleanly without blocking on GPU completion.
• Safe Buffer Mapping: Manages the mapAsync lifecycle, mapState checks, unmap timing, and readback alignment rules.
• Non-blocking Readback: Uses rotating staging buffers for continuous GPU-to-CPU data transfer without frame drops.
• Async Pipeline Loading: Creates render and compute pipelines ahead of time so shader compilation does not hitch gameplay or visualization frames.
• Use Case: Ideal for real-time WebGPU apps that need smooth animation, reliable screenshots, debug readbacks, or late-loaded shaders.

Quick Start

Ask Claude to structure your WebGPU app with a safe asynchronous render loop, non-blocking buffer readback, and load-time pipeline creation.