https://bugs.kde.org/show_bug.cgi?id=392749
--- Comment #7 from Alexey Min <alexey....@gmail.com> --- Or maybe do you have amdgpu-pro drivers? My kwin supportInformation has much lower versions numbers for opengl, glsl: Compositing =========== Compositing is active Compositing Type: OpenGL OpenGL vendor string: X.Org OpenGL renderer string: Radeon RX 560 Series (POLARIS11 / DRM 3.23.0 / 4.15.12-gentoo, LLVM 5.0.1) OpenGL version string: 2.1 Mesa 18.1.0-devel (git-d60eaf7b1f) OpenGL platform interface: GLX OpenGL shading language version string: 1.40 Driver: Unknown GPU class: Unknown OpenGL version: 2.1 GLSL version: 1.40 Mesa version: 18.1 X server version: 1.19.5 Linux kernel version: 4.15.12 Direct rendering: Requires strict binding: yes GLSL shaders: yes Texture NPOT support: yes Virtual Machine: no OpenGL 2 Shaders are used Painting blocks for vertical retrace: no -- You are receiving this mail because: You are watching all bug changes.