So modern mobile GPU's generally all support non power of 2 textures now. Which is wonderful but I can't find any information if they all still pad out the texture in memory. I.e. so even though i have a 64 x 60 texture it will still take up 64 x 64 in memory.
I would presume it does for efficiency and I could carry out the appropriate tests to make sure but they would only be valid for the specific device I was testing on. Does anyone know where I could find such information or is it just one of those things that everyone presumes but is up to you to check on each device if you want to be sure.