Ember UI running very bad with old computer
  • virgovirgo August 2011
    Last week i had a chance to install Ember to some old computer to test Ember, but i was not able to even log into the game, because the mouse was moving very slow and some mirror image from the main UI window (where all the servers are listed) blinked sometimes in the corner half image out of the screen. Now i would like to get some ideas, what is causing this and how to fix. Doesn't Ember support this kind of old computers, what are the minimum requirements to run Ember, what to try change in the computer or maybe it is possible to make Ember support old hardware too?

    Computer was:
    CPU - P4 (~2GHZ)
    GPU - GF 4 (128MB)
    RAM - 760MB
    OS - Win XP SP3

    If need more detailed information about the system, i can get it in future maybe, but not fast.
    I had fresh graphics drivers and SP3 installed on the XP and there was DirctX 9.0c. So, if anyone has some ideas, what to try to get Ember running there, i can test them out next time may be.
  • erikerik August 2011
    Without the ember.log file it's hard to help you. Post that.
    Note that the win32 builds all use OpenGL, so if your drivers have bad support for OpenGL you'll get bad performance. We're working on builds with DirectX support.
  • sajtysajty August 2011
    I would like to see ember.log file too. The menu should run smooth on that HW.

    I was doing some testing with msvc(different compiler then the official mingw compiler).
    I've got 30-50% more FPS in-game with it (depends on your CPU/GPU performance ratio).

    About the directX, well it works, but uses for some reason double as much memory and changing the graphics details is not changing anything, it looks like medium quality settings is forced to be used. I think the issue is with exceptions. some materials are only openGL compatible GLSL which makes Ogre to throw a LOT of exceptions.
    With these problems I get around same FPS as OpenGL with low settings.

    I have tested in virtualbox with ubuntu(host) and ubuntu(guest) with 3d acceleration DISABLED and 12 MB video memory. Menu ran smooth, in-game ran 2-3 FPS with medium details and the ATI shadow shader issues is fixed in virtualbox! :P

    So ember can run much faster then the official builds!
    Maybe I make an unofficial optimized msvc release someday. ;)
  • virgovirgo October 2011
    Here is the ember log from the latest test run i did today. http://pastebin.com/16mdCem0 .
  • erikerik October 2011
    I would like to see if you get better performance when running with DirectX. We'll be doing a release shortly, which hopefully also include a DirectX version.
  • riidomriidom January 16
    Hi, having a similar system here. Under OpenGL the mouse cursor indeed lags badly, switching to DirectX solves that.
  • sajtysajty January 17
    The mouse cursor is lagging a frame. Its a known issue and hopefully fixed for next release.
    I assume, that DirectX runs with higher FPS for you and I think thats the reason why you don't notice the input lagg there. :)
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