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Motion blur and DoF make me want to punch game developers in the face.
Spinning around almost every LCD in existence will blur the damn screen to a degree already, why the **** would you waste power trying to do it more? Same with DoF, get over it, you can't predetermine what I want to look at so stop trying you dimwitted morons, again taking power for something that is natural. You really only focus on one part of the screen, the rest you can see, but not see. I look at the screen, the point I'm precisely focusing on is in focus, the rest actually isn't to begin with. Why both waste power blurring out things I'm already not focusing on, or blur out something I am trying to look at but your daft engine has determined I'm looking at something else.
Best case scenario is it's unfocusing the bits I can't see properly because my eyes aren't physically focused on that part of the screen fully anyway.
I will just add, in cutscenes is a different matter, you're trying to tell a story and pushing focus is fine, because I'm not in control anyway. But when I'm physically in control of the action those effects are completely unrealistic in every game I've seen them.
Wolfenstein, in the hub area, you can back through a doorway, looking directly in the doorway, focused there, and everything where you are "aiming" is blurred out as DoF decides you want to focus on the room you're in, rather than where you're looking. Prime example. Cutscenes fine, while I'm in control, huge no.
Way back in the day DoF/Blur were used primarily in console games and primarily to hide crap frame rate.... then as with all things, someone came along and thought they could do it better, when better wasn't the goal, improving performance was the only goal originally. Now it sucks more power, to do something that is less realistic.
It's pretty much like memory heat spreaders, completely useless(rdram a different case), some idiot company whacked it on to look faster, then because of the 5 people who thought it made a difference and didn't buy ram without it, every company started putting heat spreaders on, then everyone just expects it.
What's the difference between motion blur and dof ?