77b3c0d670
This means cogl_set_source_color*() that switches to the opaque or blending pipeline, or cogl_source_set_texture() which switches to the texture pipeline. Left is the opaque pipeline, as it is still used to compare other pipelines to check whether they are opaque or not, and as the default pipeline still pushed to the source stack during initialization. https://gitlab.gnome.org/GNOME/mutter/merge_requests/935