delete OpenGL resources in the destructor

Change-Id: Ibfeb836d23d48e4ad9fd9b111394b8349ba7c8a3

chart2/source/view/inc/GL3DRenderer.hxx

@@ -168,6 +168,7 @@ class OpenGL3DRenderer
 {
 public:
     OpenGL3DRenderer();
+    ~OpenGL3DRenderer();
 
     void CreateFrameBufferObj();
     void CreateTextureObj(int,int);

chart2/source/view/main/GL3DRenderer.cxx

@@ -80,7 +80,6 @@ OpenGL3DRenderer::OpenGL3DRenderer():
     m_Polygon3DInfo.normals = NULL;
     m_Polygon3DInfo.lineWidth = 0.001f;
 
-
     m_Extrude3DInfo.lineOnly = false;
     m_Extrude3DInfo.twoSidesLighting = false;
     m_Extrude3DInfo.lineWidth = 0.001f;
@@ -101,6 +100,27 @@ OpenGL3DRenderer::OpenGL3DRenderer():
     m_RoundBarMesh.iMeshSizes = 0;
 }
 
+OpenGL3DRenderer::~OpenGL3DRenderer()
+{
+    // delete programs
+    glDeleteProgram(m_CommonProID);
+    glDeleteProgram(m_RenderProID);
+    glDeleteProgram(m_TextProID);
+    glDeleteProgram(m_3DProID);
+
+    // delete buffers
+    glDeleteBuffers(1, &m_CubeVertexBuf);
+    glDeleteBuffers(1, &m_CubeNormalBuf);
+    glDeleteBuffers(1, &m_CubeElementBuf);
+    glDeleteBuffers(1, &m_BoundBox);
+    glDeleteBuffers(1, &m_BoundBoxNormal);
+    glDeleteBuffers(1, &m_CoordinateBuf);
+    glDeleteBuffers(1, &m_TextTexCoordBuf);
+    glDeleteBuffers(1, &m_RenderTexCoordBuf);
+    glDeleteBuffers(1, &m_RenderVertexBuf);
+    glDeleteBuffers(1, &m_3DUBOBuffer);
+}
+
 void OpenGL3DRenderer::LoadShaders()
 {
     m_3DProID = OpenGLHelper::LoadShaders("shape3DVertexShader", "shape3DFragmentShader");