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Question How to Optimize Post Process Volume?

Discussion in 'Visual Effect Graph' started by Nixel2013, Aug 31, 2022.

  1. Nixel2013

    Nixel2013

    Joined:
    May 9, 2019
    Posts:
    139
    Is there a way to optimize post-processing in unity for mobile?

    My game runs at 300fps in PC, but when I activate post processing the fps drops to 200fps :/

    but on mobile it runs at 60 fps, but when I activate the post-processing the fps are reduced to 10/20fps :/
     
    Nixel2013, Aug 31, 2022
    #1

  2. DevDunk

    DevDunk

    Joined:
    Feb 13, 2020
    Posts:
    4,405
    What post processing do you use?
    We can't help if you are not specific.

    Also, mobile and desktop behave differently due to the different architectures.
     
    DevDunk, Aug 31, 2022
    #2

  3. Nixel2013

    Nixel2013

    Joined:
    May 9, 2019
    Posts:
    139
    Post Process Volume > Bloom

     
    Nixel2013, Aug 31, 2022
    #3

  4. DevDunk

    DevDunk

    Joined:
    Feb 13, 2020
    Posts:
    4,405
    I know for a fact bloom is quite slow on mobile devices because of the tiles GPUs. This is because it adds quite some draw calls.
    Haven't seen a huge difference on desktop however. What Unity version and resolution are you running?
     
    DevDunk, Aug 31, 2022
    #4

  5. Nixel2013

    Nixel2013

    Joined:
    May 9, 2019
    Posts:
    139
    you literally have it in the image to that information haha
     
    Nixel2013, Sep 2, 2022
    #5

  6. DevDunk

    DevDunk

    Joined:
    Feb 13, 2020
    Posts:
    4,405
    Sorry, totally looked over that.
    Update to the latest 2020 lts (and maybe try 2021 lts) to see if it gets improved.
    Otherwise there isn't much to do with the native PP stack I think. Then you need to look into custom/3rd party solutions
     
    DevDunk, Sep 2, 2022
    #6