handle case when OES_texture_half_float is not available (use full float)
handle case when OES_texture_half_float is not available (use full float)

j0kaso/ngl,arose/ngl,arose/ngl,j0kaso/ngl,fredludlow/ngl,arose/ngl,fredludlow/ngl,j0kaso/ngl,fredludlow/ngl,fredludlow/ngl,arose/ngl