i965: checkpoint commit: VS constant buffers

Hook up a constant buffer, binding table, etc for the VS unit.
This will allow using large constant buffers with vertex shaders.
The new code is disabled at this time (use_const_buffer=FALSE).

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index 99d0e937226..d20cf78b8af 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -75,6 +75,13 @@ struct brw_vs_compile {
 
    struct brw_reg userplane[6];
 
+   /** using a real constant buffer? */
+   GLboolean use_const_buffer;
+   /** we may need up to 3 constants per instruction (if use_const_buffer) */
+   struct {
+      GLint index;
+      struct brw_reg reg;
+   } current_const[3];
 };
 
 void brw_vs_emit( struct brw_vs_compile *c );