From 8edc0a3cd762006dbec10d5633f0fe222d0d921c Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Sun, 9 Aug 2009 11:08:38 +0000
Subject: [PATCH] Fix issue with attrib arrays in geometry shaders

---
 panda/src/gobj/shader.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/panda/src/gobj/shader.cxx b/panda/src/gobj/shader.cxx
index 742302e635..f0de5280f1 100755
--- a/panda/src/gobj/shader.cxx
+++ b/panda/src/gobj/shader.cxx
@@ -441,6 +441,9 @@ compile_parameter(const ShaderArgId  &arg_id,
   if (loc < string::npos) {
     basename = p._id._name.substr(loc + 1);
   }
+  if (basename.size() >= 2 && basename.substr(0, 2) == "__") {
+    return true;
+  }
 
   // Split it at the underscores.
   vector_string pieces;