I have noticed some quirks porting my Pi3 code to Pi4 that other GLES implementations (including Broadcom's Pi2/Pi3 driver) seem to tolerate. I had 2 texture units in a vertex shader (one for heightfield lookup, the other unused) and bound 2 active textures (to GL_TEXTURE0 and GL_TEXTURE1) .cpp file...

Following Solskogen's suggestions I built the latest SDL with kmsdrm and was able to get my game running fine with OpenGL ES 3.0. It works fine in console mode, but in X11 I get a buffer error (which I think makes sense, as I've not compiled SDL for X11?). UPDATE - works fine in X11 as well. :D It c...

I would suggest you configure SDL2 with --disable-video-rpi --enable-video-kmsdrm as options. Unless you do, SDL2 gets configured with the old rpi driver in /opt/vc. And with --enable-video-kmsdrm you can use SDL2 in console, without X11. kmsdrm needs a couple of packages installed: libgdm-dev and ...