Re: [osg-users] PBOs for images and textures

the results with the forum. Guy. -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of J.P. Delport Sent: Monday, January 04, 2010 9:20 AM To: OpenSceneGraph Users Subject: Re: [osg-users] PBOs for images

Re: [osg-users] PBOs for images and textures

Hi, I've been fiddling with some of this at the end of last year for fast GPU to CPU. You could insert your code into the draw callback. Have you tried it? How is the performance? I could not make anything faster than the default readimage. You could also look at osgscreencapture for

[osg-users] PBOs for images and textures

Hi all, I was wondering why when there is an image attached to an FBO camera buffer, the data transfer is made by glReadImage from the READ_BUFFER and not by glMapBuffer after copying the READ_BUFFER to PBO? The same question goes in the other direction for updating textures with