add initial Array class

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

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

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");
+        }
+    }
+}