Add water refraction toggle with per-frame scene history

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Fix VK_ERROR_DEVICE_LOST crash by allocating per-frame scene history
images (color + depth) instead of a single shared image that raced
between frames in flight. Water refraction can now be toggled via
Settings > Video > Water Refraction.

Without refraction: richer blue base colors, animated caustic shimmer,
and normal-based color shifts give the water visible life. With
refraction: clean screen-space refraction with Beer-Lambert absorption.
Disabling clears scene history to black for immediate fallback.

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This commit is contained in:

Kelsi 2026-03-06 19:15:34 -08:00

parent 7630c7aec7

commit 5a227c0376

8 changed files with 323 additions and 191 deletions

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assets/shaders/water.frag.spv

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