public void beginRenderOverlay() { if (effectsTexture == null || !effectsTexture.isLoaded()) { return; } defaultTextured.activateFeature(ShaderProgramFeature.FEATURE_ALPHA_REJECT); defaultTextured.enable(); glBindTexture(GL11.GL_TEXTURE_2D, effectsTexture.getId()); glEnable(GL11.GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); }