void {@native glFlush}(void);
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gl.glVertex3f(0.5f, 0.5f, 0.0f); gl.glVertex3f(0.5f, -0.5f, 0.0f); gl.glVertex3f(-0.5f, -0.5f, 0.0f); gl.glEnd(); gl.glFlush(); } public void displayChanged(GLAutoDrawable gLDrawable, boolean modeChanged, boolean deviceChanged) {