add a bunch of FLUSH_VERTICES to some of the ATI_fs functions, most notably when changing the global ati fragment shader constants.
diff --git a/src/mesa/shader/atifragshader.c b/src/mesa/shader/atifragshader.c
index 3117467..b86396a 100644
--- a/src/mesa/shader/atifragshader.c
+++ b/src/mesa/shader/atifragshader.c
@@ -246,6 +246,7 @@
       else if (prog) {
 	 if (ctx->ATIFragmentShader.Current &&
 	     ctx->ATIFragmentShader.Current->Base.Id == id) {
+	     FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 	    _mesa_BindFragmentShaderATI(0);
 	 }
       }
@@ -280,6 +281,8 @@
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+
    /* if the shader was already defined free instructions and get new ones
       (or, could use the same mem but would need to reinitialize) */
    /* no idea if it's allowed to redefine a shader */
@@ -715,6 +718,7 @@
       curProg->localConstDef |= 1 << dstindex;
    }
    else {
+      FLUSH_VERTICES(ctx, _NEW_PROGRAM);
       COPY_4V(ctx->ATIFragmentShader.globalConstants[dstindex], value);
    }
 }