Materials not rendering correctly on linux, Intel graphics


Some materials and effects do not render correctly on my laptop. I was wondering if there was anything I could do to try to fix this. I have tried moving my unreal_projects folder to an ntfs file system, and that does nothing. Here is an example of the issue:


My laptop has an Intel core i7 processor and 8gb of ram. I am running Fedora 23, Linux kernel version 4.4.6. I built my copy of Unreal engine from the 4.10 branch, although master had the same issues. I don’t seem to have any other issues other than the textures, and the editor preforms well.

glxinfo | grep version:

server glx version string: 1.4
client glx version string: 1.4
GLX version: 1.4
OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.1.0 (git-525f3c2)
OpenGL core profile shading language version string: 3.30
OpenGL version string: 3.0 Mesa 11.1.0 (git-525f3c2)
OpenGL shading language version string: 1.30
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 11.1.0 (git-525f3c2)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00


VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
3D controller: NVIDIA Corporation GK208M [GeForce GT 740M]

The laptop has a discrete card, but running it with DRI_PRIME does nothing to fix these issues. I would prefer not to use the proprietary NVIDIA drivers.

I’m not sure if there are any unreal engine logs that I can provide. Any help would be appreciated. Thanks!