// display() draws a triangle at an angle
static void display(void) {
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1.0f, 0.75f, 0.0f);
glBegin(GL_TRIANGLES);
glFogCoordf(f1);
glVertex3f(2.0f,-2.0f,0.0f);
glFogCoordf(f2);
glVertex3f(-2.0f,0.0f,-5.0f);
glFogCoordf(f3);
glVertex3f(0.0f,2.0f,-10.0f);
glEnd();
glutSwapBuffers();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL14_nglFogCoordf(JNIEnv *env, jclass clazz, jfloat coord, jlong function_pointer) {
glFogCoordfPROC glFogCoordf = (glFogCoordfPROC)((intptr_t)function_pointer);
glFogCoordf(coord);
}