protected virtual void DestroyFrameBuffer()
{
AssertValid();
AssertContext();
EAGLContext oldContext = EAGLContext.CurrentContext;
if (!GraphicsContext.IsCurrent)
{
MakeCurrent();
}
gl.DeleteFramebuffers(1, ref framebuffer);
gl.DeleteRenderbuffers(1, ref renderbuffer);
framebuffer = renderbuffer = 0;
if (oldContext != EAGLContext)
{
EAGLContext.SetCurrentContext(oldContext);
}
else
{
EAGLContext.SetCurrentContext(null);
}
GraphicsContext.Dispose();
GraphicsContext = null;
gl = null;
}