@ DEBUG_IRRADIANCE_CACHE_SURFELS_VISIBILITY
@ DEBUG_GBUFFER_EVALUATION
@ DEBUG_IRRADIANCE_CACHE_SURFELS_IRRADIANCE
@ DEBUG_IRRADIANCE_CACHE_SURFELS_NORMAL
@ DEBUG_IRRADIANCE_CACHE_VIRTUAL_OFFSET
@ DEBUG_SHADOW_TILE_RANDOM_COLOR
@ DEBUG_IRRADIANCE_CACHE_VALIDITY
@ DEBUG_IRRADIANCE_CACHE_SURFELS_CLUSTER
@ DEBUG_SHADOW_TILEMAP_RANDOM_COLOR