abdbd02e59
Previously, if TEXTURE_IMMUTABLE_FORMAT was TRUE, the levels were allowed to be set like usual, but ARB_texture_storage states: > if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is clamped to the range > [0, <levels> - 1] and level_max is then clamped to the range [level_base, > <levels> - 1], where <levels> is the parameter passed the call to > TexStorage* for the texture object Reviewed-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Corey Richardson <corey@octayn.net>