git bisect start
# good: [862044c7f7d55b7e6459e3e948c376e6894a72ff] docs: Import 10.0 release notes, add news item
git bisect good 862044c7f7d55b7e6459e3e948c376e6894a72ff
# bad: [5a51c1b01a16d3256f9769a76d8293fea5853b1f] i965: Enhance intel_texsubimage_tiled_memcpy() to support all levels
git bisect bad 5a51c1b01a16d3256f9769a76d8293fea5853b1f
# good: [447bb9029f7e03b03e507053b9f63536d8fc74ac] glsl: move variables in to ir_variable::data, part II
git bisect good 447bb9029f7e03b03e507053b9f63536d8fc74ac
# bad: [5f7bc0c75904a40da0973329badea8497e53a26a] mesa: Implement functions for clear_buffer_object extensions
git bisect bad 5f7bc0c75904a40da0973329badea8497e53a26a
# bad: [d6a8421f3b71c85d614aee4e47ba008af5444bfc] svga: don't emit extraneous fs shadow code
git bisect bad d6a8421f3b71c85d614aee4e47ba008af5444bfc
# bad: [164dc6216a8e4d46ef7db9f54bcecd58ff556b83] gallium: allow choosing which colorbuffers to clear
git bisect bad 164dc6216a8e4d46ef7db9f54bcecd58ff556b83
# bad: [91aca8c662faf0ec311968b2897a72a6d08b199d] r600g,radeonsi: consolidate buffer code, add handling of DISCARD_RANGE for SI
git bisect bad 91aca8c662faf0ec311968b2897a72a6d08b199d
# good: [cc2c1002747405ef23bf6cd697bfb1cb7a1e68e8] radeonsi: implement accelerated buffer copying
git bisect good cc2c1002747405ef23bf6cd697bfb1cb7a1e68e8
# good: [43ea10eb1d6b597b57faaeb5993ca23ed7a537d2] r600g: refactor out code for buffer invalidation
git bisect good 43ea10eb1d6b597b57faaeb5993ca23ed7a537d2
# good: [12806449fa35aff47ad6f4615ede55776c9f66c8] r600g,radeonsi: add common interface for buffer invalidation
git bisect good 12806449fa35aff47ad6f4615ede55776c9f66c8
# first bad commit: [91aca8c662faf0ec311968b2897a72a6d08b199d] r600g,radeonsi: consolidate buffer code, add handling of DISCARD_RANGE for SI