You need to enable kmsro.
On Wed, Jan 6, 2021 at 3:31 AM <li...@luckyxxl.de> wrote: > > Hi all, > > In order to check whether a OpenGL ES driver bug I'm hitting on the > Raspberry Pi 4 still appears in the latest Mesa version, I'm trying to > build Mesa myself and run my application with that. Unfortunately I'm > having no success with either 19.3.2 (the version distributed with > raspbian), 20.3.2 (the latest release) or the current master. Each time > the driver initialization fails with the following messages printed to > the console: > > libGL error: failed to create dri screen > libGL error: failed to load driver: vc4 > > This is my meson setup command line: > > ~/Downloads/meson-0.56.0/meson.py setup -Ddri-drivers= > -Dgallium-drivers=v3d,vc4 -Dvulkan-drivers= -Dplatforms=x11 > -Dbuildtype=debug -Dbackend=ninja -Dprefix=/home/pi/mesa-build build > > (vc4 seems to be required in the gallium-drivers option, otherwise it > failed with 'libGL error: MESA-LOADER: failed to open vc4 [...]'. I > guess this makes sense given the dependency on vc4 as explained here > https://docs.mesa3d.org/drivers/v3d.html ?) > > I'm having this issue using both SDL or freeglut and either starting the > app from ssh (using 'export DISPLAY=:0') or directly on the desktop. > > I'm a total beginner when it comes to Mesa and the pi graphics driver > stack, so any help would be highly appreciated :) Thanks! > > Lukas > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
