Re: [osg-users] Finding point of intersection using depth buffer

2008-06-23 Thread Robert Osfield
Hi Rhaul/Sumit? You should avoid doing CPU based frame buffer reads if you can as it's en extremely slow way of getting this info. You are far better off use using ray based testing as per the osgpick example, or if you need to try and do the op on the GPU, such as by doing a render to texture.

Re: [osg-users] Finding point of intersection using depth buffer

2008-06-23 Thread Rahul Jain
Robert Osfield wrote: Hi Rhaul/Sumit? My colleague sumit was trying to send this post but could not send it through because of some problem in his mail client so i sent the mail on his behalf :) You should avoid doing CPU based frame buffer reads if you can as it's en extremely slow way