Mesa (master): svga: add some comments in svga_state_vs.c

[Brian Paul]

Module: Mesa
Branch: master
Commit: 993b04ee2c415e15f89e2717cfeff90225452937
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=993b04ee2c415e15f89e2717cfeff90225452937

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Jan  5 13:03:04 2016 -0700

svga: add some comments in svga_state_vs.c

Reviewed-by: Charmaine Lee <charmainel at vmware.com>

---

 src/gallium/drivers/svga/svga_state_vs.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/svga/svga_state_vs.c b/src/gallium/drivers/svga/svga_state_vs.c
index 24574c1..a103dab 100644
--- a/src/gallium/drivers/svga/svga_state_vs.c
+++ b/src/gallium/drivers/svga/svga_state_vs.c
@@ -173,8 +173,11 @@ make_vs_key(struct svga_context *svga, struct svga_compile_key *key)
       return;
    }
 
+   /* SVGA_NEW_PRESCALE */
    key->vs.need_prescale = svga->state.hw_clear.prescale.enabled &&
                            (svga->curr.gs == NULL);
+
+   /* SVGA_NEW_RAST */
    key->vs.allow_psiz = svga->curr.rast->templ.point_size_per_vertex;
 
    /* SVGA_NEW_FS */