Mesa 20.3 Will Let You Fake Having Less Video Memory To Help In Debugging

[schmidtbag]

Michael
This could make for some interesting benchmarking. For example, you could show how much the extra bandwidth of PCIe 4.0 would help over PCIe 3.0 by setting a VRAM to 8MB on a dGPU.

[phoronix]

Phoronix: Mesa 20.3 Will Let You Fake Having Less Video Memory To Help In Debugging

Wired up in Mesa 20.3-devel is a new DriConf option override_vram_size for overriding a smaller amount of video memory to report to the program/game being run. This is intended for development/debug purposes...

http://www.phoronix.com/scan.php?page=news_item&px=Mesa-20.3-override_vram_size