From 62208a4fd283928f82ec4396225e7b85f39c1ca6 Mon Sep 17 00:00:00 2001
From: granzuglia <guido.ranzuglia@isti.cnr.it>
Date: Wed, 3 Jun 2015 14:08:22 +0000
Subject: [PATCH] - fixed "not allocated vertex buffer array" bug

---
 wrap/gl/trimesh.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/wrap/gl/trimesh.h b/wrap/gl/trimesh.h
index 95385d5b..fad1f5eb 100644
--- a/wrap/gl/trimesh.h
+++ b/wrap/gl/trimesh.h
@@ -1278,6 +1278,8 @@ namespace vcg {
 
 		bool buffersAllocationFunction(NORMAL_MODALITY nm,COLOR_MODALITY cm,TEXTURE_MODALITY tm,const std::vector<bool>& importattribute,std::vector<bool>& attributestobeupdated)
 		{
+			if (_vaohandle == NULL)
+				glGenVertexArrays(1,&_vaohandle);
 			bool replicated = (importattribute[FACENORMALBO] || importattribute[FACECOLORBO] || importattribute[WEDGETEXTUREBO]);
 			attributestobeupdated.clear();
 			attributestobeupdated.resize(importattribute.size());