Make the vertex program source register Index field a signed int since

relative addressing can be negative.
Change some GLuint indexes to GLint in the t_vp_build.c file.
Added PROGRAM_UNDEFINED token for initializing the register File field to
avoid a gcc 4.0 warning.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c
index 11fdc454cd..fc9fb15bd5 100644
--- a/src/mesa/tnl/t_vp_build.c
+++ b/src/mesa/tnl/t_vp_build.c
@@ -247,7 +247,7 @@ static struct state_key *make_state_key( GLcontext *ctx )
  */
 struct ureg {
    GLuint file:4;
-   GLuint idx:8;
+   GLint idx:8;      /* relative addressing may be negative */
    GLuint negate:1;
    GLuint swz:12;
    GLuint pad:7;