From f8de8368bb046844442107c51bc76a3251300f98 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Thu, 11 Jun 2015 21:24:06 -0400
Subject: [PATCH] add initial Array class

---
 include/glcxx.hpp       |  3 ++-
 include/glcxx/Array.hpp | 31 +++++++++++++++++++++++++++++++
 src/glcxx/Array.cpp     | 28 ++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 include/glcxx/Array.hpp
 create mode 100644 src/glcxx/Array.cpp

diff --git a/include/glcxx.hpp b/include/glcxx.hpp
index a6a1c30..dfdd893 100644
--- a/include/glcxx.hpp
+++ b/include/glcxx.hpp
@@ -1,9 +1,10 @@
 #ifndef GLCXX_HPP
 #define GLCXX_HPP
 
+#include "glcxx/Array.hpp"
 #include "glcxx/Buffer.hpp"
+#include "glcxx/Error.hpp"
 #include "glcxx/Program.hpp"
 #include "glcxx/Shader.hpp"
-#include "glcxx/Error.hpp"
 
 #endif
diff --git a/include/glcxx/Array.hpp b/include/glcxx/Array.hpp
new file mode 100644
index 0000000..9734a96
--- /dev/null
+++ b/include/glcxx/Array.hpp
@@ -0,0 +1,31 @@
+#ifndef GLCXX_ARRAY_HPP
+#define GLCXX_ARRAY_HPP
+
+#include "glcxx/gl.hpp"
+
+namespace glcxx
+{
+    class Array
+    {
+        public:
+            Array();
+
+            ~Array();
+
+            void create();
+
+            void bind()
+            {
+                glBindVertexArray(m_id);
+            }
+
+            GLuint id() const { return m_id; }
+
+            bool valid() const { return m_id > 0u; }
+
+        protected:
+            GLuint m_id;
+    };
+};
+
+#endif
diff --git a/src/glcxx/Array.cpp b/src/glcxx/Array.cpp
new file mode 100644
index 0000000..f028bd6
--- /dev/null
+++ b/src/glcxx/Array.cpp
@@ -0,0 +1,28 @@
+#include "glcxx/Array.hpp"
+#include "glcxx/Error.hpp"
+
+namespace glcxx
+{
+    Array::Array()
+    {
+        m_id = 0u;
+    }
+
+    Array::~Array()
+    {
+        if (m_id != 0u)
+        {
+            glDeleteVertexArrays(1, &m_id);
+        }
+    }
+
+    void Array::create()
+    {
+        glGenVertexArrays(1, &m_id);
+
+        if (m_id == 0u)
+        {
+            throw Error("Failed to allocate an OpenGL array");
+        }
+    }
+}