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media-libs/mesa became incompatible with media-libs/mesa-amber. Rename mesa-amber libraries and install them alongside. Rename 50_amber.json to 55_amber.json so 50_mesa.json has higher priority. Without this change, xorg can crash. For Intel, Mesa provides crocus and iris, Mesa Amber provides the older i965. Tested with an Intel HD 4600. XOrg: - modesetting driver uses crocus and works - intel driver can use crocus and i965, works with both. Wayland: - i965 works, but lacks some features that crocus has. - crocus works great. For Radeon r200: Mesa alone has no driver for this, Mesa Amber has a driver for r200. XOrg: - r200 works, glxinfo shows some OpenGL. Wayland: - does not work. Even if the r200 driver works, it lacks a needed extension for wayland to start. With -r3 eglinfo does not crash (it did crash with -r2). Also we can run sway with pixman now, it was crashing with -r2. Bug: https://bugs.gentoo.org/945373 Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>