Mesa (master): glsl: Don't print blank (function ...) headers for built-ins .

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 8fbe968a62f845da2a1491c398acf0b2140d2372
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8fbe968a62f845da2a1491c398acf0b2140d2372

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Sep 16 02:55:02 2010 -0700

glsl: Don't print blank (function ...) headers for built-ins.

Fixes a regression caused when I added my GLSL ES support.

---

 src/glsl/ir_print_visitor.cpp |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/glsl/ir_print_visitor.cpp b/src/glsl/ir_print_visitor.cpp
index eff950e..5c19db1 100644
--- a/src/glsl/ir_print_visitor.cpp
+++ b/src/glsl/ir_print_visitor.cpp
@@ -153,6 +153,9 @@ void ir_print_visitor::visit(ir_function_signature *ir)
 
 void ir_print_visitor::visit(ir_function *ir)
 {
+   if (!ir->has_user_signature())
+      return;
+
    printf("(function %s\n", ir->name);
    indentation++;
    foreach_iter(exec_list_iterator, iter, *ir) {