Pursche/shadow improvements - #68

Merged

Pursche merged 25 commits into

pursche/ShadowImprovements

Jul 23, 2026

Commits on Jul 9, 2026

Fix cascade camera allocation and frustum planes, add shadowFreezeCascades
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Bind terrain shadow pipeline and enable depth write on model shadow pipeline
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Add per-cascade culling for instanced models and shadowDebugCullingView
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Fix cascade selection, far fade, PCF noise, PCSS reversed-Z and wire filter cvars
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Enable shadows by default with 4 cascades
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Update Engine submodule
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Clock editor exponential speed steps, add sunDebugFullRotation cvar
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Draw sun disc in skybox at the directional light position
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Build skybox sun ray in view space to avoid world-space precision noise
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Standardize light direction, fade shadows at night, clamp cascade distance
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Add same-frame GPU SDSM shadow cascade fitting
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Fit SDSM cascades to per-cascade light-space bounds of visible samples
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Commits on Jul 14, 2026

Add Sparse Virtual Shadow Maps as shadowTechnique 1, A/B alongside CSM
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Commits on Jul 15, 2026

Clip SVSM page draws to classified dirty stripe rects via clip distances
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Commits on Jul 19, 2026

Unify the SVSM dynamic caster classifier, review-pass fixes and rename
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Commits on Jul 23, 2026

Fade the sun below the horizon, always-filtered SVSM fills, indirect-read barriers, per-area multiplicative shadow tint
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