Module rin::gl::image_based_light

This module contains image based light utilities

An image based light that can be used with PBR materials for more realistic lighting and utilities to create the necesary maps from an HDR environment map to setup such a light

Functions

copy_equirectangular_levels_to_cubemap	Convert a texture containing an equirectangular environment map with several mip levels into a cubemap
copy_equirectangular_to_cubemap	Convert a texture containing an equirectangular environment map into a cubemap
cubemap_level_to_equirectangular	Convert cubemap environment map level to equirectangular format
cubemap_to_equirectangular	Convert cubemap environment map to equirectangular format
equirectangular_levels_to_cubemap	Convert a texture containing an equirectangular environment map with several mip levels into a cubemap
equirectangular_to_cubemap	Convert a texture containing an equirectangular environment map into a cubemap
equirectangular_to_cubemap_allocate_levels	Convert a texture containing an equirectangular environment map into a cubemap
generate_brdf_lut	Generate the brdf LUT used by PBR materials to calculate the IBL
generate_cloth_ashikhmin_brdf_lut	Generate the brdf LUT used by cloth ashikhim PBR materials to calculate the IBL
generate_cloth_charlie_brdf_lut	Generate the brdf LUT used by cloth charlie PBR materials to calculate the IBL
generate_irradiance_cubemap	Generate an irradiance (diffuse) map from a cubemap environment map as a cubemap
generate_radiance_cubemap	Generate all the levels of a radiance (specualr) map from a cubemap environment map as a cubemap