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Bug URP 2D Renderer - On older GPUs/iOS it was impossible to resolve AA and....

Discussion in '2021.2 Beta' started by Foriero, Jul 21, 2021.

  1. Foriero

    Foriero

    Joined:
    Jan 24, 2012
    Posts:
    584
    On older GPUs/iOS it was impossible to resolve AA and at the same time preserve AA-ed surface for future usage.
    Meaning that after resolving AA once (say, by changing RT) the contents are undefined and need to be redrawn, effectively disabling things like after-opaque post effects with MSAA RT.
    If you wish to support older devices it is advised to disable MSAA on them (they are too slow for this anyway).
    For further information search MTLStoreActionStoreAndMultisampleResolve and 'Combined MSAA store and resolve action'.
     
    Foriero, Jul 21, 2021
    #1
    april_4_short likes this.

  2. april_4_short

    april_4_short

    Joined:
    Jul 19, 2021
    Posts:
    489
    Have you found any performance or quality benefits to URP for 2D over using and modding Builtin?
     
    april_4_short, Jul 21, 2021
    #2

  3. felipemullen

    felipemullen

    Joined:
    Mar 4, 2017
    Posts:
    44
    I get about 1 warning message per second logged to my console with this message. Does no one else see this? It's pretty annoying.

    upload_2022-3-14_18-33-13.png
     
    felipemullen, Mar 15, 2022
    #3

  4. Timepunk

    Timepunk

    Joined:
    Mar 23, 2022
    Posts:
    1
    I also see this
    On a Mac m1 using Unity 2022.1.0b13
     
    Timepunk, Mar 24, 2022
    #4

  5. theakdev

    theakdev

    Joined:
    Nov 28, 2017
    Posts:
    5
    Did any one solve this ??
     
    theakdev, Jun 1, 2022
    #5

  6. felipemullen

    felipemullen

    Joined:
    Mar 4, 2017
    Posts:
    44
    Since the tech release of 2022 I stopped seeing it.
    I am on version 2022.1.2f1 and there are no more messages. I was hiding warnings before that
     
    felipemullen, Jun 2, 2022
    #6