<html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> 于 2012/5/22 1:40, <a class="moz-txt-link-abbreviated" href="mailto:souvik.datta@wipro.com">souvik.datta@wipro.com</a> 写道: <blockquote cite="mid:85DA62F108ABD4439B9B6A3AB2B2880F2410F06E@BLR-EC-MBX5.wipro.com" type="cite"> <pre wrap=""> Script done on Monday 21 May 2012 07:05:43 PM IST >From the above log, it seems that libEGL debug logs are occuring twice. One set with libEGL debug: Native platform type: drm (autodetected) .............. and other set with libEGL debug: Native platform type: wayland (autodetected) .............. Can some one please explain why are these sets getting repeated? I have built MESA with backend support for wayland and egl. May be I am missing some fundamental concept here.</pre> </blockquote> <big><span style="color: rgb(0, 0, 0); font-family: Simsun; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; display: inline !important; float: none; "> In your case, both client side and server side will use egl. For client side, it will use  wayland egl which wraps the buffer sharing mechanism between client and server. For server side, use drm egl to create the EGLImage from wl_buffer. The EGLImage then will be used by the compositor as a texture or passed to the modesetting code to use as an overlay plane. For details of EGL in wayland, you can ref </big> <ul> <li><a class="moz-txt-link-freetext" href="http://ppaalanen.blogspot.com/2012/03/what-does-egl-do-in-wayland-stack.html">http://ppaalanen.blogspot.com/2012/03/what-does-egl-do-in-wayland-stack.html</a></li> </ul> <ul> <li>Section "Hardware Enabling for Wayland" in <a class="moz-txt-link-freetext" href="http://wayland.freedesktop.org/architecture.html">http://wayland.freedesktop.org/architecture.html</a> </li> </ul> <big> </big> <blockquote cite="mid:85DA62F108ABD4439B9B6A3AB2B2880F2410F06E@BLR-EC-MBX5.wipro.com" type="cite"> <pre wrap=""> Thanks and Regards, Souvik Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. <a class="moz-txt-link-abbreviated" href="http://www.wipro.com">www.wipro.com</a> _______________________________________________ wayland-devel mailing list <a class="moz-txt-link-abbreviated" href="mailto:wayland-devel@lists.freedesktop.org">wayland-devel@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="http://lists.freedesktop.org/mailman/listinfo/wayland-devel">http://lists.freedesktop.org/mailman/listinfo/wayland-devel</a> </pre> </blockquote> </body> </html>