Even prison should be without "cruel and unusual punishment", with emphasis on "cruel". For example, letting prisoners die in extreme heat is cruelty on its face. John Oliver had a thing on this recently[1]. Looks like Texas has done the minimal thing, which is effectively nothing [2].
1 - https://www.youtube.com/watch?v=6fiRDJLjL94
2 - https://www.texastribune.org/2021/05/14/texas-prison-air-con...