uniform2f method
Implementation
void uniform2f(UniformLocation location, double x, double y){
  startCheck("uniform2f");
  glUniform2f(_gl, location.id, x, y);
  checkError('uniform2f');
}void uniform2f(UniformLocation location, double x, double y){
  startCheck("uniform2f");
  glUniform2f(_gl, location.id, x, y);
  checkError('uniform2f');
}