GPU text labels
Model
TextLayer expands each TextLabel into glyph instances (CPU layout), uploads a vertex buffer, and records a WebGPU draw into the same color target as your points pass. Atlas backends are either a CPU-rasterized bitmap (GlyphAtlas) or a prebuilt MSDF texture (MsdfGlyphAtlas).
OpenLayers wiring
Use the same column-major map → clip matrix and backing-store viewport size as the points renderer (FrameState from postrender). Call textLayer.render(pass) after points so labels draw on top.
Declutter
Optional screen-space collision runs before layout when enabled; see Label decluttering for priorities and anchors.
Live demo
GPU text labels demo — hosted bundle: in-view synthetic points get coordinate strings; toggle bitmap vs MSDF, declutter, and debug collision boxes.