Admin 1c64cfdfeb widgets, draw: skeuomorphic surfaces light each other through an optional relief buffer -- mod.sdf.Material shades a widget from its own SDF (height profile, normals, key light, inner shadow, AO, rim, gloss, cast shadow, revolve-profile knobs, a ±1 LSB screen dither and optional grain); widgets that opt in register lit shapes (rounded box or disc with a height and an emissive colour) keyed by their draw list, and the window renders them once into a quarter-resolution f16 height+emissive buffer with its own blur chain, rebuilt only when the shapes change, so a lit LED spills onto its neighbours' bevels, raised parts cast AO between widgets, and nothing renders at rest. Material draws bind the same textures, so batching is unchanged (39 draw calls with and without). A window with no lit shapes allocates and records nothing; hello_world and glass render pixel-identical to before. examples/skeuomorph shows a Bluetooth key, lit ON/OFF buttons, a knob with an LED ring and a segmented control ...

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-09-23 23:49:22 +02:00

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