/* Test case illustrating bug 9951 with GL_LINE_SMOOTH and small glLineWidth */
#include <GL/glut.h>

static void display( void ) {

    glClear( GL_COLOR_BUFFER_BIT );

    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
    glEnable( GL_BLEND );
    glEnable( GL_LINE_SMOOTH );

    glLineWidth( 1 );
    
    glBegin( GL_LINE_LOOP );
    glVertex2f( 0, 0 );
    glVertex2f( 1, 0 );
    glVertex2f( 0.5, 1 );
    glEnd();    
    
    glFlush();
}

extern int main( int argc, char *argv[] ) {

    glutInit( &argc, argv );
    glutCreateWindow( "Line smooth demo" );

    glutDisplayFunc( display );
    glutMainLoop();
    
    return 1;
}