Hello Carsten,
2010/6/17 Carsten Neumann <carsten_neum...@gmx.net>: > Constantin Müller wrote: >> 2010/6/16 Gerrit Voß <vo...@vossg.org>: >>> one question, is GL_STENCIL_INDEX just the debugger output as usually it >>> should be something like GL_STENCIL_INDEX8 ? >>> >>> But from http://www.opengl.org/wiki/GL_EXT_framebuffer_object#Stencil >>> >>> Stencil >>> NEVER EVER MAKE A STENCIL buffer. All GPUs and all drivers do not >>> support an independent stencil buffer. If you need a stencil buffer, >>> then you need to make a Depth=24, Stencil=8 buffer, also called D24S8. >>> Please search for the example about GL_EXT_packed_depth_stencil on this >>> page. >>> >>> Could you give this a try instead. >> >> Thanks for this hint, it was not just debugging output, I set it >> wrongly to GL_STENCIL_INDEX. >> But even corrected it does not work. > > Have you taken into account the quote about separate stencil buffers? > I can't tell from your reply. > No, I hadn't taken this into account, because I missed that no-separation part somehow. I thought it might just be about the formats I have to use in combination, but thanks for the clarification. >> Another question: >> Do I have to set the _sfImage Field of the Renderbuffers? > > only if you want to download the contents to main memory. > Ok. This is what I'm up to. >> I did not do that for the Depthbuffer and it worked, so I didn't set >> the Image of the Stencilbuffer either. >> And if I have to set the Images, which OSG-Imageformat corresponds to >> GL_STENCIL_INDEX8_EXT and GL_DEPTH_COMPONENT24? > > the OpenSG Image::PixelFormat and Image::Type enums are only aliases for > the GL values of the (almost) same name, so you can use those instead. > Off the top of my head I'm not sure what the correct values for a depth > 24 stencil 8 buffer is though. > >> Could this be the missing attachment? > > Sorry for sticking to this, but I'm pretty sure your problem is the > separate stencil buffer (it sounds like you are still using it), please > use a combined depth/stencil buffer with format GL_DEPTH24_STENCIL8_EXT. There is another question, I have to ask. How do I set the attachments of the FBO with the combined Renderbuffer right now? Do I have to set the same Renderbuffer with the GL_DEPTH24_STENCIL8_EXT format as Stencil- and Depth-Attachment? thanks a lot, Constantin ------------------------------------------------------------------------------ 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
