Hi, Damien: Great thanks for your response. My vsync of NVIDIA card 3D setting is: Use the 3D application setting. It is really 60FPS. After I choose Force On for vsync setting, it is still this problem. Do you think it is a compatibility problem of VirtualBox?
Mit freundlichen Grüßen / Best regards BeQIK Charles / Chen Kai RBAC/CM/ESW1-CN -----Original Message----- From: Damien Boucard - UbiCast [mailto:damien.bouc...@ubicast.eu] Sent: Tuesday, April 24, 2012 3:47 PM To: Chen Kai (CM/ESW1-CN) Cc: clutter-app-devel-list@clutter-project.org Subject: Re: issue of loading img by cogl_texture_new_from_file Hi, Are you sure you did not activated vsync on the NVIDIA card ? The 60FPS value is suspicious... Damien Le Tue, 24 Apr 2012 09:57:40 +0800, "Chen Kai (CM/ESW1-CN)" <kai.c...@cn.bosch.com> a écrit : > Hi, buddies: > We confirmed that the graphics adapter card is most influencing for > the performance of clutter. > > The glxgears FPS info here for two kind of graphics adapter: > For NVIDIA GeForce GT440 is 60FPS, so load image texture will be very > slow For AMD Radeon HD 6600 is 1700FPS > > Thanks for reading this. does anyone could tell us is this a problem > of clutter or VirtualBox? Any tips would be thankful. > > > Mit freundlichen Grüßen / Best regards > BeQIK > Charles / Chen Kai > RBAC/CM/ESW1-CN > From: clutter-app-devel-list-boun...@clutter-project.org > [mailto:clutter-app-devel-list-boun...@clutter-project.org] On Behalf > Of Chen Qing (CM/ESW2-CN) Sent: Monday, April 16, 2012 4:24 PM To: > clutter-app-devel-list@clutter-project.org Subject: issue of loading > img by cogl_texture_new_from_file > > Hi, > > My app need to load lots of images, I use cogl_texture_new_from_file > to implement this. This func will cost more than 4s to load one image > if already loaded many images before。 Then it will return to normal > for loading others. It seems like the memory buffer is not enough for > loading so many images, system need to allocate another buffer to > load all the images. > > But when one of my colleague run this app, the issue doesn’t happen. > Our environment is almost the same except Windows OS and PC hardware. > > My PC environment: > Virtual Box 4.1.4 > Ubuntu 11.10 > Clutter 1.8.0 / Cogl 1.8.0 > Windows XP > Intel E8400 3.00G/GeForce GT 440 > > My Colleague PC environment: > Virtual Box 4.1.4 > Ubuntu 11.10 > Clutter 1.8.0 / Cogl 1.8.0 > Windows 7 > Intel i5-2500 3.30G/Radeon HD 6600 > > > Best regards / Mit freundlichen Grüßen > > BeQIK > > Chen Qing 陈 卿 > CM/ESW2-CN > Tel. +86 512 6767 5572 > Fax +86 512 6762 1200 > > > _______________________________________________ clutter-app-devel-list mailing list clutter-app-devel-list@clutter-project.org http://lists.clutter-project.org/listinfo/clutter-app-devel-list
