There are two characteristics that effect "pop-out". One is the depth, the other is the viewpoint. Except for video-games, where the content is being generated as you watch it, the depth cannot be adjusted, it is mastered at the studio.
The other is the "view point". This is an offset that can easily be applied by TVs or sources to any content. This slides the two images sideways. This can make more pop-out, but at the cost of visual discomfort because it changes where the eyes try to focus, compared to how crossed the eyes are. If you have a high tolerance for this (and it might be something some people can learn to do with experience) you can change the viewpoint to give more pop-out (which just makes you cross your eyes more) but more 3d-challenged viewers will have a hard time focusing on the image.
Sometimes a source will call the "view point" by some other name. Some sources have a "screen size" setting. What exactly this does depends on the source. On a DVD player, this will likely set the "view point" but on a game console it might set the depth and/or the "view point."