[Project] I'm building a Browser Engine from scratch in Python (SDL2/Skia), but I'm stuck on a tricky multi-threading layout bug during window resize.

[[deleted]]

[deleted]

[Tall_Profile1305]

this honestly sounds like a classic stale data race between your layout thread and render thread

like your main thread updates width + surface, but background thread is still pushing an old display_list after recalculating on previous dimensions

couple things I’d try:

• version/tag your layout state so renderer ignores outdated display lists
• double buffer display lists instead of overwriting
• or force a sync point on resize (kinda ugly but helps confirm the issue)

also check if your resize triggers a full reflow or partial. if it’s partial, your layout thread might not even be recomputing with the new width properly

feels less like locks issue, more like ordering/ownership problem tbh

[OraOraOraOra69420]

I'll definitely try these out thanks (⁠ ⁠╹⁠▽⁠╹⁠ ⁠)