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Texture thrashing in Linux


MaryCallahan
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Hello everyone.

Yesterday I changed on my laptop (which uses an Intel HD620) windows for Fedora 31 but now I've got a problem. In windows, I hadn't issues with textures. Everything looked great. However, in Linux, I suffer texture trashing. In Firestorm, now I can't select more than 512MB of VRAM in opposite to 768MB that I could select in windows.

Teorically, I could use until 3GB:

$ glxinfo -B
name of display: :0
display: :0  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Intel Open Source Technology Center (0x8086)
    Device: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2)  (0x5916)
    Version: 19.1.8
    Accelerated: yes
    Video memory: 3058MB
    Unified memory: yes
    Preferred profile: core (0x1)
    Max core profile version: 4.5
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2

 

By other hand, use windows version under wine it's impossible. It says me that drivers aren't installed so I couldn't try this way. Any ide to fix this problem?

 

Thank you very much.

 

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Intel graphics on FS linux really arent that good. A lot of juggling of memory unfortunately and yes... a max of 512MB texture mem :(  Try doing things like turning down the draw distance  to 32 or 64 to save on video mem. For linux its best to choose a laptop with a discrete Nvidia GPU (if thats an option for you).  If you have the RAM available you could always try making a ramdisk for the cache. That might help a tad or two... or not :(

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