<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body bgcolor="#ffffff" text="#000000"> Hi All,<br> I was traversing through the source code of Mesa 7.7 . I wanted to write an OpenGL application which could measure the graphics performance of my board(running on intel i5 with GMA-HD). Is there a flag available which can ensure that gpu is acting so that I can capture something like start of a frame  from the function "copy_back_to_front"(which I guess is called each time something is displayed on screen) ?<br> <br> <span style="color: black;"> <div dir="ltr"> <div>Thanks in advance,<br> <br style="font-family: arial black,sans-serif;"> <span style="color: rgb(0, 0, 0); font-family: garamond,serif;">Neeraj N.T</span></div> </div> </span><br> <br> <span style="color: black;"> <div dir="ltr"> <div><span style="color: rgb(0, 0, 0); font-family: garamond,serif;"></span><br style="font-weight: bold; color: rgb(0, 0, 0); font-family: courier new,monospace;"> <font style="color: rgb(102, 102, 102);" size="2"><span style="font-family: courier new,monospace;"></span></font><font style="color: rgb(102, 102, 102);" size="2"><span style="font-family: courier new,monospace;"><br> </span></font></div> </div> </span><br> <br> <span style="color: black;"> <div dir="ltr"> <div>Thanks & Regards,<br> <br style="font-family: arial black,sans-serif;"> <span style="color: rgb(0, 0, 0); font-family: garamond,serif;">Neeraj N.T</span><br style="font-weight: bold; color: rgb(0, 0, 0); font-family: courier new,monospace;"> <font style="color: rgb(102, 102, 102);" size="2"><span style="font-family: courier new,monospace;"></span></font><font style="color: rgb(102, 102, 102);" size="2"><span style="font-family: courier new,monospace;"><br> </span></font></div> </div> </span><br> <font face="monospace"></font></body> </html>