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swung0x48
9fed478dfd
ID-P7-31 review, should-fix 1. Every MGITEST_MAGMA_FORCE_* knob is read BY THE SERVER (the getenv readers in WireFramebuffer.inc run on the apply thread), and a ctest ENVIRONMENT property only reaches the process ctest starts - the client. Inproc runs the server in that process and ServerSpawn.cpp copies ::environ into the spawned child, so both arms see the knob; the tcp arm's server is the lane-wide TcpServer.Start fixture, started once from scripts/ci/tcp_server_fixture.py's own os.environ, and nothing a per-case property says reaches it. The tcp copy of each knob=1 entry ran the DEFAULT arm under a name claiming otherwise. Measured, not deduced: a temporary fatal in each of the three readers killed all five knob=1 entries on split and on spawn and left all five green on tcp. So ShaderMip1, ShaderMip2, DepthMip, DefaultBlitShape1 and MsResolve1 are registered on split+spawn only (the first four are package B's pre-existing vacuity of the same shape). The knob=0 twins DefaultBlitShape0 / MsResolve0 keep their tcp entries: zero is the default and means the same thing on every arm. spawn_lane_parity.py names the exception, following ID-P7-14's MAGMA_INPROC_ONLY: MAGMA_SERVER_ENV_KNOB_NO_TCP, applied through a new compare_arms(no_tcp=) that drops the keys from the tcp comparison ONLY - folding them into inproc_only would stop requiring them on spawn, which is where they do most of their work.