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Trials Developer
There were THREE bugs that caused these issues. We only fixed one of them in the Friday's patch. Fixes for the remaining two will be in the forthcoming patch.
1. Game detects GPU memory size incorrectly if multiple GPUs are present. Integrated GPU has no dedicated memory, so our texture streaming system gets broken.
2. Intel integrated GPUs have additional texture corruption bug caused by GPU floating point rounding issue.
3. On NVIDIA Optimus laptops (integrated GPU + GeForce) the wrong GPU was selected.
We fixed number 3 in the patch. The frame rate is now 60 fps in the game, and you have helped me with NVIDIA Inspector to prove that the GeForce GPU is actually used. Bug 2 doesn't affect Optimus laptops, but bug 1 certainly does. This causes the textures to be corrupted also on the GeForce (and limit the resolution to 720p). We will fix bugs 1 & 2 in the forthcoming patch.
Thank's for helping me find the actual issues!
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Member
You may want to double-check if bug 3 (Optimus) is really fixed Seb
As of today, If i go to my Nvidia Control Panel, put everything on auto-select, then go on program settings and add the trialsfusion.exe, it still says the following :
Use Global Setting (Auto-Select: Integrated)
Maybe others in the same situation could do the same test and confirm it, but that's how it looks on my hand 
