Sketch out per-vertex point size.

The code is all in place, but mostly disabled for now:
In t_vp_build.c, write the VERT_RESULT_PSIZE register
In sp_state_derived.c, need to emit vertex point size if drawing points.
In setup_point() use the point size from the vertex.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c
index eb5e176895e..f923b8e1326 100644
--- a/src/mesa/tnl/t_vp_build.c
+++ b/src/mesa/tnl/t_vp_build.c
@@ -1364,6 +1364,16 @@ static void build_pointsize( struct tnl_program *p )
    release_temp(p, ut);
 }
 
+/**
+ * Emit constant point size.
+ */
+static void constant_pointsize( struct tnl_program *p )
+{
+   struct ureg state_size = register_param1(p, STATE_POINT_SIZE);
+   struct ureg out = register_output(p, VERT_RESULT_PSIZ);
+   emit_op1(p, OPCODE_MOV, out, WRITEMASK_X, state_size);
+}
+
 static void build_tnl_program( struct tnl_program *p )
 {   /* Emit the program, starting with modelviewproject:
     */
@@ -1392,6 +1402,10 @@ static void build_tnl_program( struct tnl_program *p )
 
    if (p->state->point_attenuated)
       build_pointsize(p);
+#if 0
+   else
+      constant_pointsize(p);
+#endif
 
    /* Finish up:
     */