Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-15 Thread Jesper D. Thomsen
From: osg-users-boun...@lists.openscenegraph.org [osg-users-boun...@lists.openscenegraph.org] On Behalf Of Jean-Sébastien Guay [jean-sebastien.g...@cm-labs.com] Sent: Thursday, May 14, 2009 4:27 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Problems with FBOs when

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-14 Thread Jesper D. Thomsen
, May 13, 2009 4:16 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Problems with FBOs when taking highresolution screenshots. Hi Jesper, In both cases this occors when the screenshot is larger than 2048x2048 pixels. The lower-left 2048x2048 pixels of the screenshot are always

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-14 Thread Ulrich Hertlein
Hi Jesper, On 14/5/09 10:16 AM, Jesper D. Thomsen wrote: Thank you very much, I suspected it was something like that. Do you know if there another standard way of making high resolution renderings via OSG that isn't hit by the graphics card texture size limitations? Otherwise I'll just have

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-14 Thread Jesper D. Thomsen
-users-boun...@lists.openscenegraph.org [osg-users-boun...@lists.openscenegraph.org] On Behalf Of Ulrich Hertlein [u.hertl...@sandbox.de] Sent: Thursday, May 14, 2009 10:23 AM To: OpenSceneGraph Users Subject: Re: [osg-users] Problems with FBOs whentaking high resolution

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-14 Thread Björn Blissing
Of Jean-Sébastien Guay [jean-sebastien.g...@cm-labs.com] Sent: Wednesday, May 13, 2009 4:16 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Problems with FBOs when taking high resolution screenshots. Hi Jesper, In both cases this occors when the screenshot is larger

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-14 Thread Jean-Sébastien Guay
Hello Jesper, Thank you very much, I suspected it was something like that. Do you know if there another standard way of making high resolution renderings via OSG that isn't hit by the graphics card texture size limitations? You can do tiling - take multiple screenshots, each using the

[osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-13 Thread Jesper D. Thomsen
Hi all, I'm using OSG (2.6.1 compiled for windows XP/Vista by Visual Studio 2005) to create a viewport in an MFC application. I have a function where I take a high resolution screenshot by doing RTT rendering to an FBO. I've now begun receiving bug reports from some users (so far, all ATI

Re: [osg-users] Problems with FBOs when taking high resolution screenshots.

2009-05-13 Thread Jean-Sébastien Guay
Hi Jesper, In both cases this occors when the screenshot is larger than 2048x2048 pixels. The lower-left 2048x2048 pixels of the screenshot are always correct, but the rest is black. I'd guess you're hitting a texture or FBO size limitation in the graphics cards your clients are running on.