<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Hello Veluri,</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> How you doing?</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I'm experimenting with different ways to load and query drivers and found a very useful extension to get EGL displays directly from a gbm device.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> The extension itself you can see here: <a href="https://www.khronos.org/registry/EGL/extensions/MESA/EGL_MESA_platform_gbm.txt" id="LPNoLP276528"> https://www.khronos.org/registry/EGL/extensions/MESA/EGL_MESA_platform_gbm.txt</a><br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> I'm now experimenting into using this to query the driver name and configurations directly, so we can get rid of the different implementations for X11 and Wayland.<br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> So far querying the driver name is always successfull, but for some reason when I query the driver options I receive a segmentation fault from EGL.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Here is an example code showing the issue: <a href="https://gist.github.com/jlHertel/6a594b2d2d37d039ac383c8551c1b7bd" id="LPlnk539533"> https://gist.github.com/jlHertel/6a594b2d2d37d039ac383c8551c1b7bd</a><br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> The curious part here is that using a egl display from eglGetDisplay(EGL_DEFAULT_DISPLAY) works fine.</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Do you have any idea why this is failing?<br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Kind regards,</div> <div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Jean Hertel<br> </div> </body> </html>