public void getTextureForFace(int face) {
        PaintFace pface = renderBlock.paintedFaces[face];
        if (textureBuffer == null) {
            textureBuffer = ByteBuffer.allocateDirect(ARRAY_SIZE);
            textureBuffer.order(ByteOrder.nativeOrder());
        }
        if (textureId <= 0) {
            textureId = GL11.glGenTextures();
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        }
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        textureBuffer.clear();
        textureBuffer.put(pface.points);
        textureBuffer.flip();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, ROW, ROW, 0, GL11.GL_RGBA, GL11.GL_BYTE, textureBuffer);
    }