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Hello,

Thx for your answers.
I will to edit .ini file as mentionned by masterawr when I will have some time.
If this works for me, I will mark your solution.
avatar
masterawr: Open the UT2004.ini file found in the system folder.

look for this code....

[Engine.Engine]
RenderDevice=D3DDrv.D3DRenderDevice
;RenderDevice=D3D9Drv.D3D9RenderDevice
;RenderDevice=Engine.NullRenderDevice
;RenderDevice=OpenGLDrv.OpenGLRenderDevice
;RenderDevice=PixoDrv.PixoRenderDevice

edit it to read

[Engine.Engine]
:RenderDevice=D3DDrv.D3DRenderDevice
;RenderDevice=D3D9Drv.D3D9RenderDevice
;RenderDevice=Engine.NullRenderDevice
RenderDevice=OpenGLDrv.OpenGLRenderDevice
;RenderDevice=PixoDrv.PixoRenderDevice

Basically you add a ; in front of the "RenderDevice=D3DDrv.D3DRenderDevice" line
And you remove the ; from the "RenderDevice=OpenGLDrv.OpenGLRenderDevice" line

I don't know why the guys at gog haven't set the game up this way as the default. You want to use openGl as the primary renderer for all old games since it is the most compatible video renderer and most old games look better vs direct 3d / direct x.

OpenGl has always been a superior to direct 3d, it makes your video card run less hot, it is more backwards compatible and it is more efficient. The reason why developers think direct 3d / direct x is better is because it has been forced and bribed by Microsoft.

Anyway I hope this solves your issue :)
OK thx I've tried your solution and for now it works great for me, under W10
This is part of a bigger problem: The fact that Windows 10 doesn't support DX8 properly. DX8 games are forced to run in a borderless windowed mode instead of true fullscreen, and that's what breaks the settings like v-Sync etc. This is something that's usually ignored by people promoting Windows 10 and saying "there's no reason not to use it".

If you must use Windows 10 for DX8 games, then the best approach seems to be using a DX8-DX9 converter. There might be side effects, but I returned to Windows 7 before I had a chance to really find any.
Post edited December 01, 2016 by Oubadah