public void EndRender()
{
GL.Disable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.BindVertexArray(vao);
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Count * VertexTexture.SizeInBytes, vertices.ToArray(), BufferUsageHint.DynamicDraw);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, VertexTexture.SizeInBytes, 0);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, VertexTexture.SizeInBytes, Vector3.SizeInBytes);
GL.EnableVertexAttribArray(1);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, ebo);
GL.BufferData(BufferTarget.ElementArrayBuffer, indices.Count * sizeof(ushort), indices.ToArray(), BufferUsageHint.DynamicDraw);
font.Bind();
sdf.Use();
sdf.UploadMatrix("ortho", ref ortho);
sdf.UploadMatrix("model", ref scale);
sdf.UploadColor("color", Color4.White);
GL.DrawElements(BeginMode.Triangles, indices.Count, DrawElementsType.UnsignedShort, 0);
font.Unbind();
GL.BindVertexArray(0);
GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.DepthTest);
vertices.Clear();
indices.Clear();
}