radeonsi: fix polygon mode for points and lines and point/line fill modes
radeonsi: fix polygon mode for points and lines and point/line fill modes

Fixes piglit/polygon-mode-offset.

Cc: 3f82168ded78efcc94f0f906a790354f0531c038@lists.freedesktop.org
Reviewed-by: Michel Dänzer <242b79f0804cf52679d58f27ed754158c1323c75@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler