#include <windows.h>
#include <gl/glut.h>
void renderScene(void){
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
}
void SetupRc(void){
glClearColor(0.0f,0.0f,1.0f,1.0f);
}
void main(void){
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
glutCreateWindow("Demo");
glutDisplayFunc(renderScene);
SetupRc();
glutMainLoop();
}
结果: