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我正在使用Sumanta Guha的代碼示例,並試圖創建兩個窗口。使用以下代碼:OpenGL與GLUT_DOUBLE和兩個窗口的問題
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
// First top-level window definition.
glutInitWindowSize(250, 500);
glutInitWindowPosition(100, 100);
// Create the first window and return id.
id1 = glutCreateWindow("windows.cpp - window 1");
// Initialization, display, and other routines of the first window.
setup1();
glutDisplayFunc(drawScene1);
glutReshapeFunc(resize1);
glutKeyboardFunc(keyInput); // Routine is shared by both windows.
// Second top-level window definition.
glutInitWindowSize(250, 500);
glutInitWindowPosition(400, 100);
// Create the second window and return id.
id2 = glutCreateWindow("windows.cpp - window 2");
// Initialization, display, and other routines of the second window.
setup2();
glutDisplayFunc(drawScene2);
glutReshapeFunc(resize2);
glutKeyboardFunc(keyInput); // Routine is shared by both windows.
glutMainLoop();
return 0;
}
我使用Windows 7,通常它應該顯示兩個窗口。但是,正如你所看到的,只有一個窗口正確顯示,而另一個窗口看起來並沒有那麼好。除了GLUT_DOUBLE和緩衝區交換,我還需要採取其他步驟嗎?