// Do not depth buffer the labels.
osh.pushAttrib(gl, GL2.GL_DEPTH_BUFFER_BIT);
gl.glDisable(GL.GL_DEPTH_TEST);
gl.glDepthMask(false);
textRenderer.begin3DRendering();
try
{
this.drawLabel(textRenderer, this.getYAxisLabel(), screenPointX, textColor, backgroundColor);
this.drawLabel(textRenderer, this.getZAxisLabel(), screenPointY, textColor, backgroundColor);