track state flags which might invalidate parameter lists
diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h
index a1ee334..3e6c8a7 100644
--- a/src/mesa/shader/program.h
+++ b/src/mesa/shader/program.h
@@ -204,6 +204,9 @@
GLuint NumParameters; /** number of parameters in arrays */
struct program_parameter *Parameters; /** Array [Size] */
GLfloat (*ParameterValues)[4]; /** Array [Size] */
+ GLuint StateFlags; /** _NEW_* flags indicating which
+ statechanges might invalidate
+ ParameterValues[] */
};