Dirk Reiners schrieb: > Hi Ria, > > On 06/05/2010 04:09 PM, Ria Müller wrote: > >> Hi, >> >> I try to do a depth of field effect in OpenSG using a two-pass >> Post-processing Shader. >> On the first pass the scene is rendered, outputting the color, depth and >> a blurriness factor (depending on the depth). >> On the second pass the image from the first pass is filtered with a >> variable-sized filter kernel to simulate the circle of confusion. The >> blurriness factor from the first pass controls the size of the filter >> kernel. >> >> For being able to render in the scene to multiple buffers (color in >> RGBA8 and blurfactor in RGBA16) at one time I need to use multiple >> Render Targets. Unfortunately I'm very new to OpenSG and using 1.8 I >> couldn't find any descriptions or examples how to do that. >> Up to now I create two diffrent textures and attach them to an >> FBOViewport-Object: >> > > sorry, I don't have the time to look into the details of your code right now. > But in general FBO support is much better in OpenSG 2. What you're trying to > do > is probably pretty simple based on Carsten's Deferred Shading framework, > which > has to do post-processing anyway. > > Carsten, can you comment a little bit on this one? > > Dirk >
Hi Dirk, thank you for your fast answer. Unfortunately I need to use OpenSG 1.8 because I use a Stereosystem which is based on this version. Nevertheless I am interested in Carsten's Deferred Shading framework. Maybe I can get some hints from it. Does anybody know what the warning " FBO initialize pre OpenGL error: invalid operation!" means? Thank you very much, greetings, Ria ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ Opensg-users mailing list Opensg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensg-users
