When I try to use Shadertoy-based plugins, I get the following error (In this case with PM_Vectorblur):
PM_VectorBlur: Can not render: OpenGL 2.0 or GL_ARB_texture_non_power_of_two is required.
On my Linux workstation, the plugins work fine in the GUI, but rendering out fails with the above error. On a Windows PC I tested, also with NVIDIA GPU, I got the same error also in the GUI.
I tried disabling GPU rendering for the relevant shadertoy nodes in the plugin, but then my render ended with a segfault instead.
Any ideas appreciated!