第一个OpenGL程序

/*
<<OpenGL Superbible>>
p_28
environment:ubuntu10.04;code Blocks<GLUT>
*/
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#include <stdlib.h>
//绘制场景
void RenderScene(void)
{
//
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
}
void SetupRC(void)
{
glClearColor(0.0f,0.0f,1.0f,1.0f);
}
int main(int argc,char* argv[])
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGBA);
glutCreateWindow("First Program");
glutDisplayFunc(RenderScene);
SetupRC();
glutMainLoop();
return 0;
}