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This is done using 3DSTATE_VF_TOPOLOGY packet that overrides topology used in subsequent 3DPRIMITIVE commands. For gen7[5] we override the pipeline topology when emitting draw commands. v2: fix the way gen7[5] is handled (Lionel) Signed-off-by: Tapani Pälli <tapani.palli@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5604>