rendered paste body programObject_ = new QGLShaderProgram();
qDebug() << "vertex shader compiled:" << programObject_->addShaderFromSourceFile(QGLShader::Vertex, ":vertexshader.txt");
qDebug() << "fragment shader compiled:" << programObject_->addShaderFromSourceFile(QGLShader::Fragment, ":fragmentshader.txt");
QMatrix4x4 modelView;
modelView.setToIdentity();
glBindAttribLocation(programObject_->programId(), 0, "v_modelView");
glBindAttribLocation(programObject_->programId(), 1, "v_position");
bool linkSuccess = programObject_->link();