uniform3fv method
Implementation
void uniform3fv(UniformLocation location, List<double> v){
  startCheck("uniform3fv");
  glUniform3fv(_gl, location.id, v.jsify());
  checkError('uniform3fv');
}void uniform3fv(UniformLocation location, List<double> v){
  startCheck("uniform3fv");
  glUniform3fv(_gl, location.id, v.jsify());
  checkError('uniform3fv');
}