Set the linear-RGB emissive color on mat (values may exceed 1.0 for HDR emissive,
e.g. KHR_materials_emissive_strength). If the material also has an
emissiveTexture, this color multiplies the sampled texel. The array is stored by
reference and re-read on every UBO write, so animating it in place (index writes)
needs no further calls. Registers the emissive extension globally (idempotent).
Call before the scene is first built.
Set the linear-RGB emissive color on
mat(values may exceed 1.0 for HDR emissive, e.g.KHR_materials_emissive_strength). If the material also has anemissiveTexture, this color multiplies the sampled texel. The array is stored by reference and re-read on every UBO write, so animating it in place (index writes) needs no further calls. Registers the emissive extension globally (idempotent). Call before the scene is first built.