anv: Fix geometry flickering issue when compute and 3D passes are combined
Call flush_pipeline_select_3d in CmdBeginRendering() to emit a dummy MEDIA_VFE_STATE before switching from GPGPU to 3D.
Original commit with the fix: bc612536 ("anv: Emit a dummy MEDIA_VFE_STATE before switching from GPGPU to 3D") Signed-off-by: Vadym Shovkoplias vadym.shovkoplias@globallogic.com Gitlab: #6201 (closed)