<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Apr 18, 2018 at 4:44 PM, Bas Nieuwenhuizen <span dir="ltr"><<a href="mailto:bas@basnieuwenhuizen.nl" target="_blank">bas@basnieuwenhuizen.nl</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">IIRC if level N is unaligned then num_dcc_levels <= N+1, so level N+1<br>
is not DCC compressed?<br></blockquote><div><br></div><div>There is a difference between being aligned (contiguous really) and being compressible. Small mip levels might be unaligned but may still compressible. Non-contiguous can mean that DCC of multiple mip levels is interleaved in memory. It can't be cleared with memset trivially, but it can still be compressed.<br><br></div><div>Marek<br></div></div><br></div></div>