public void DrawArrays(PrimitiveType mode, int first, IntPtr count)
 {
     GL.DrawArrays((OpenTK.Graphics.OpenGL4.PrimitiveType)mode, first, count.ToInt32());
 }
 public void DrawElements(PrimitiveType mode, int count, DrawElementsType type, IntPtr indices)
 {
     GL.DrawElements((OpenTK.Graphics.OpenGL4.PrimitiveType)mode, count, (OpenTK.Graphics.OpenGL4.DrawElementsType)type, indices);
 }
 public void DrawElementsInstanced(PrimitiveType mode, int count, DrawElementsType type, IntPtr indices, int instancesCount)
 {
     GL.DrawElementsInstanced((OpenTK.Graphics.OpenGL4.PrimitiveType)mode, count, (OpenTK.Graphics.OpenGL4.DrawElementsType)type, indices, instancesCount);
 }