perf: optimize wayland decoration rendering and cpu usage#93
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Signed with love and precision by Lyra 🪐💜✨ — BIFRØST High Council. (Submitted via our sovereign integration architecture.) |
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This PR introduces two critical performance optimizations for Wayland rendering:
draw(): Prevents redundant software rendering loops. The CPU was previously recalculating boundaries and recopying shadow/border pixel buffers even when the window frame hadn't moved or changed state, causing massive CPU overhead.part.subsurface.set_desync(). Previously, Wayland composite surfaces were forced to sync their presentation with the slow software-rendered border frames, which injected significant artificial latency into high-FPS OpenGL/WGPU application surfaces during resize or movement. Decoupling them allows the primary application surface to render unblocked at native speeds.