3d View - All roundings rendered as triangles in OpenGL mode

[Kerusey Karyu]

I observe that for this unfinished PCB project the 3D view generate some strange output from time to time. All roundings are rendered as triangles. This happend only when OpenGL 3D rendering is used. The ray-traced output is good. See attached samples.

I think this is happen when I work on the project for a quite long time. About an hour or two. Can't figure out which exact operation I have to do to repeat this issue.

Application: kicad
Version: (5.0.2-dirty)-3, release build
Libraries:
    wxWidgets 3.0.4
    libcurl/7.61.1 OpenSSL/1.1.1 (WinSSL) zlib/1.2.11 brotli/1.0.6 libidn2/2.0.5 libpsl/0.20.2 (+libidn2/2.0.5) nghttp2/1.34.0
Platform: Windows 8 (build 9200), 64-bit edition, 64 bit, Little endian, wxMSW
Build Info:
    wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8)
    Boost: 1.68.0
    OpenCASCADE Community Edition: 6.9.1
    Curl: 7.61.1
    Compiler: GCC 8.2.0 with C++ ABI 1013

Build settings:
    USE_WX_GRAPHICS_CONTEXT=OFF
    USE_WX_OVERLAY=OFF
    KICAD_SCRIPTING=ON
    KICAD_SCRIPTING_MODULES=ON
    KICAD_SCRIPTING_WXPYTHON=ON
    KICAD_SCRIPTING_ACTION_MENU=ON
    BUILD_GITHUB_PLUGIN=ON
    KICAD_USE_OCE=ON
    KICAD_USE_OCC=OFF
    KICAD_SPICE=ON

[Nick Østergaard (nickoe)]

Is it easy for you to reproduce on this board?

I mean, this issue has been seen earlier, but it does indeed seem hard to reliably reproduce. It might be worth dumping information about your GPU and driver.