Kelsi 30fa9836d9 Fix glow sprite flashing, move fadeAlpha to push constants, throttle character bones ...

- Glow sprites now use dedicated vertex buffer (glowVB_) separate from
  M2 particle buffer to prevent data race when renderM2Particles()
  overwrites glow data mid-flight
- Move fadeAlpha from shared material UBO to per-draw push constants,
  eliminating cross-instance alpha race on non-double-buffered UBOs
- Smooth adaptive render distance transitions to prevent pop-in/out
  at instance count thresholds (1000/2000)
- Distance-tiered character bone throttling: near (<30u) every frame,
  mid (30-60u) every 3rd, far (60-120u) every 6th frame
- Skip weapon instance animation updates (transforms set by parent bones)

2026-03-04 08:17:32 -08:00

8.9 KiB

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