test-cogl-tex-foreign: save and restore GL state correctly
test-cogl-tex-foreign: save and restore GL state correctly

This test breaks out into raw OpenGL to create a foreign texture so it
needs to be careful not to trample on any state that may be cached by
Cogl internally.

djdeath/clutter,ebassi/clutter,djdeath/clutter-android,ebassi/clutter,djdeath/clutter,djdeath/clutter,spatulasnout/clutter,ebassi/clutter,djdeath/clutter-android,Distrotech/clutter,heysion/clutter-clone,spatulasnout/clutter,heysion/clutter-clone,djdeath/clutter-multithreaded,dlespiau/clutter,collects/clutter,djdeath/clutter,rkudiyarov/clutter_osx,jigpu/clutter,dlespiau/clutter,Distrotech/clutter,collects/clutter,GNOME/clutter,kerrickstaley/clutter-vala,djdeath/clutter,rkudiyarov/clutter_osx,jigpu/clutter,collects/clutter,dlespiau/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,kerrickstaley/clutter-vala,Distrotech/clutter,heysion/clutter-clone,Distrotech/clutter,heysion/clutter-clone,djdeath/clutter-android,GNOME/clutter,djdeath/clutter-multithreaded,spatulasnout/clutter,Distrotech/clutter,GNOME/clutter,heysion/clutter-clone,nobled/clutter,djdeath/clutter-android,Distrotech/clutter,jigpu/clutter,jigpu/clutter,djdeath/clutter-android,rkudiyarov/clutter_osx,kerrickstaley/clutter-vala,ebassi/clutter,spatulasnout/clutter,collects/clutter,kerrickstaley/clutter-vala,spatulasnout/clutter,nobled/clutter,ebassi/clutter,djdeath/clutter-multithreaded,nobled/clutter,collects/clutter,GNOME/clutter,djdeath/clutter-multithreaded,djdeath/clutter,rkudiyarov/clutter_osx