| The backends and allocators use INVALID, but the renderer uses
LINEAR. Running a compositor with WLR_RENDERER=pixman results in:
    00:00:00.744 [types/output/render.c:59] Failed to pick primary buffer format for output 'WL-1' | ||
|---|---|---|
| .. | ||
| allocator | ||
| gles2 | ||
| pixman | ||
| vulkan | ||
| dmabuf.c | ||
| drm_format_set.c | ||
| egl.c | ||
| meson.build | ||
| pixel_format.c | ||
| swapchain.c | ||
| wlr_renderer.c | ||
| wlr_texture.c | ||