<br>Thanks! But, I still can not understand why Unit Pixmap needs both system buffer and driver buffer? In my opinion, Unit Pixmap only needs system buffer. Welcome your opinions! <br><br>Fancy Fang<br><br><div class="gmail_quote"> 2010/10/14 Jonathan Morton <span dir="ltr"><<a href="mailto:jonathan.morton@movial.com">jonathan.morton@movial.com</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div><div></div><div class="h5">On Thu, 2010-10-14 at 16:18 +0800, fancy fang wrote:<br> > In exaCreatePixmap_mixed from Xserver 1.9.0, when w == 1 && h == 1, it<br> > will malloc pixmap data immediately. Please let me name this kind of<br> > pixmap as Unit Pixmap. First, I don't know what the benifit is.<br> > Second, when the exaDoMigration_mixed is executed, it will allocate<br> > driver pixmap for Unit Pixmap. But, I think the driver pixmap for Unit<br> > Pixmap is not necessary from the point of performance. Can anyone give<br> > explanations ?<br> <br> </div></div>Single-pixel pixmaps are used to represent solid colours, by setting the<br> repeat mode. These are useful for XRender.<br> <font color="#888888"><br> --<br> ------<br> From: Jonathan Morton<br> <a href="mailto:jonathan.morton@movial.com">jonathan.morton@movial.com</a><br> <br> <br> </font></blockquote></div><br>