v3dv/cmd_bufffer: rename and split emit_graphics_pipeline

The name suggests that this method emits the full graphics pipeline,
but that is not the case (ie: scissor is emitted at a different
point).

Right now that method is mostly emitting the gl_shader state plus some
other packets. So we just renamed it to emit_gl_shader_state, and move
the other packet emission to new emission methods.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
1 file changed