code: public void enableBlending()
  	{
  		GlStateManager.enableBlend();
  		GlStateManager.tryBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ZERO);
  		GlStateManager.alphaFunc(GL11.GL_GREATER, 0.0F);
  		GlStateManager.shadeModel(GL11.GL_SMOOTH);
  		GlStateManager.enableColorMaterial();
  	}
docs: Enables the blending for the rendering.