From 67ef0c4009df10cd48e9e1d5777ee2a0084e7e9e Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop+git@gmail.com>
Date: Wed, 20 Apr 2011 16:29:59 -0400
Subject: [PATCH] add initial buildVBO()

---
 WFObj.cc | 17 +++++++++++++++++
 WFObj.h  |  2 ++
 2 files changed, 19 insertions(+)

diff --git a/WFObj.cc b/WFObj.cc
index 5a93164..88a8f10 100644
--- a/WFObj.cc
+++ b/WFObj.cc
@@ -1,4 +1,6 @@
 
+#define GL_GLEXT_PROTOTYPES
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -7,12 +9,15 @@
 #include <string.h>     /* strlen() */
 #include <stdlib.h>     /* atoi */
 #include <GL/gl.h>
+
 #include <vector>
 #include <string>
 #include <map>
 #include <iostream>
 #include <fstream>
+
 #include "WFObj.h"
+
 using namespace std;
 
 #define WHITESPACE " \n\r\t\v"
@@ -103,6 +108,8 @@ WFObj::WFObj(loadfile_t lf, loadtexture_t lt)
     {
         m_loadfile = loadfile;
     }
+    if (m_valid)
+        glDeleteBuffers(1, &m_vbo);
     m_valid = false;
     clear();
 }
@@ -160,6 +167,9 @@ bool WFObj::load(const WFObj::Buffer &buff)
     }
 
     updateAABB();
+
+    buildVBO();
+    m_valid = true;
     return true;
 }
 
@@ -430,6 +440,13 @@ bool WFObj::loadfile(const char *path, Buffer & buff)
     return false;
 }
 
+void WFObj::buildVBO()
+{
+    glGenBuffers(1, &m_vbo);
+    bool do_textures = m_loadtexture != NULL
+        && m_vertices[VERTEX_TEXTURE].size() > 0;
+}
+
 bool WFObj::VertexRef::operator<(const VertexRef & other)
 {
     if (vertex != other.vertex)
diff --git a/WFObj.h b/WFObj.h
index 8cf2830..51568fa 100644
--- a/WFObj.h
+++ b/WFObj.h
@@ -99,6 +99,7 @@ protected:
     static bool loadfile(const char *path, Buffer & buff);
     std::string getLine(const Buffer & buff, size_t idx, size_t *update_idx);
     void loadMaterial(const std::string & name);
+    void buildVBO();
 
     /* variables */
     std::vector<Vertex> m_vertices[VERTEX_TYPES];
@@ -110,6 +111,7 @@ protected:
     loadtexture_t m_loadtexture;
     std::string m_current_material_name;
     bool m_valid;
+    GLuint m_vbo;
 };
 
 #endif