<div dir="ltr"><br style="color:rgb(0,0,0);font-family:arial,sans-serif;font-size:13px"><div><font color="#000000" face="arial, sans-serif"><br></font></div><div><font color="#000000" face="arial, sans-serif">On Tue, Mar 19, 2013 at 11:34 AM, Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>> wrote:</font></div>
<div><font color="#000000" face="arial, sans-serif">> I'm not sure exactly what I think of all this surface transform</font></div><div><font color="#000000" face="arial, sans-serif">> passing. I'll get back to that once I get a chance to think about it.</font></div>
<div><font color="#000000" face="arial, sans-serif">> Part of the problem is that you don't want to try and make your</font></div><div><font color="#000000" face="arial, sans-serif">> animations subpixel-perfect because that would require a lot of</font></div>
<div><font color="#000000" face="arial, sans-serif">> round-trips to make it right.</font></div><div><br></div><div style><font color="#000000" face="arial, sans-serif">And you(</font><a class="" href="https://plus.google.com/u/0/117760209234006027091?prsrc=4" target="_blank" style="text-decoration:none;font-family:arial,sans-serif;font-size:16px;line-height:20px;background-color:rgb(255,255,255)">Jerome Glisse</a>)<span style="color:rgb(0,0,0);font-family:arial,sans-serif"> replied:</span></div>
<div><font color="#000000" face="arial, sans-serif">> It doesn't add more roundtrip, client will get next matrix like a</font></div><div><font color="#000000" face="arial, sans-serif">> frame event, client then draw in screen space and then draw with new</font></div>
<div><font color="#000000" face="arial, sans-serif">> transformation matrix. If client can't keep up it wouldn't either keep</font></div><div><font color="#000000" face="arial, sans-serif">> up in the non screen space rendering case.</font></div>
<br style="color:rgb(0,0,0);font-family:arial,sans-serif;font-size:13px"><font color="#000000" face="arial, sans-serif">I disagree: currently Weston move windows server side only, that is to say without roundtrip,</font><div style>
<font color="#000000" face="arial, sans-serif">if you want to be 'subpixel perfect' then moving a window imply to re-render it from the client, which will add a lot of roundtrip in this case.</font></div><div style>
<font color="#000000" face="arial, sans-serif"><br></font></div><div style><font color="#000000" face="arial, sans-serif">So the current design is 'pixel perfect', but not 'subpixel perfect', and cannot be without big changes..</font></div>
<div style><font color="#000000" face="arial, sans-serif"><br></font></div><div style><font color="#000000" face="arial, sans-serif">regards,</font></div><div style><font color="#000000" face="arial, sans-serif">renoX</font></div>
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