pr-13346-c3308b vs. 2412-270 / vk-lin-mesa / rs2-bumpmapping

pr-13346-c3308b (c3308bdb) Diff 2412-270 (c770e7c2)
Failure 11c859a2ecca4dfe5e2dfc65375ee55de6ff2d5d
Failure e44b1300e3331457ac6c5281c6fca04c54dd0751
Failure a0c6fb85011fd6b5dd4e1d8fa3f38ab3dc66c9f8