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EEVEE-Next: More conservative shadow LOD selection

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Ensure shadow-maps at non-zero LODs cover <1 screen texel.
This still doesn't solve projective aliasing, though.
This commit is contained in:
Miguel Pozo
2024-03-05 19:06:51 +01:00
parent fe93664cef
commit c0f23e79e3
1 changed files with 1 additions and 1 deletions
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source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tag_usage_lib.glsl
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@@ -132,7 +132,7 @@ void shadow_tag_usage_tilemap_punctual(
lP = shadow_punctual_local_position_to_face_local(face_id, lP);
ShadowCoordinates coord = shadow_punctual_coordinates(light, lP, face_id);
int lod = int(ceil(-log2(footprint_ratio) + tilemaps_buf[coord.tilemap_index].lod_bias));
int lod = int(floor(-log2(footprint_ratio) + tilemaps_buf[coord.tilemap_index].lod_bias));
lod += lod_bias;
lod = clamp(lod, 0, SHADOW_TILEMAP_LOD);