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sub tick {
    my ($self,$texture_id) = @_;
...
    syswrite $self->stream, $frame, $self->width * $self->height * $se
+lf->depth
        or die "Write failure";
};

sub allocate_fbo_texture{
    my ($class,$width,$height) = @_;
...
        $self->config->{enable}->($self);
    };
};