Hi again Robert, I confirm that the strange behavior still exist while compiling against the rev 9119 (branch osgWidget-dev).
Sukender PVLE - Lightweight cross-platform game engine - http://pvle.sourceforge.net/ Le Thu, 06 Nov 2008 17:28:53 +0100, Robert Osfield <[EMAIL PROTECTED]> a écrit: > Hi Sukender, > > Intel drivers are known for being rather poor, so it may well just be > driver bug, I would certainly check for updated drivers. Also get > yourself a cheap Nvidia card an pop it in the machine, you may well > get quite a different experience and will give you a sanity test. > > Robert. > > On Thu, Nov 6, 2008 at 4:24 PM, Sukender <[EMAIL PROTECTED]> wrote: >> Hi again Robert, >> >> I don't have any custom OpenGL code. >> Configuration : Core 2 Duo, integrated chipset (Intel 82945G), Windows XP 32 >> bits SP3. >> Driver is the "factory default" one, and I never saw such effets in any >> other app. >> The first bug (strange lightning) has been seen on another configuration, >> but not he last one yet (I will test ASAP and inform you). >> I'm going to try linking against OSG 2.7.4 (or maybe the wxWidget branch as >> I already compiled half of it), but I think that won't change anything. >> The problem may not be render-bin related, but I still don't understand... >> What a strange effect! >> Thank you for taking time for this. >> >> -- >> Sukender >> PVLE - Lightweight cross-platform game engine - http://pvle.sourceforge.net/ >> >> >> Le Thu, 06 Nov 2008 16:35:17 +0100, Robert Osfield <[EMAIL PROTECTED]> a >> écrit: >> >>> Hi Sukender, >>> >>> Strange artefacts indeed, but I still don't think they are render bin >>> related. >>> >>> There looks to be an issue with state leakage, such as with my >>> suggestion of missing vertex attributes, or perhaps now more likely >>> given the screenshot a driver bug. >>> >>> What OS/hardware/drivers are you using? Try other machines if you >>> have access to them. >>> >>> Do you have an custom OpenGL code that might be causing problems? >>> >>> Robert. >>> >>> On Thu, Nov 6, 2008 at 3:16 PM, Sukender <[EMAIL PROTECTED]> wrote: >>>> Hi, >>>> >>>> That becomes stranger and stranger: now that I display another exported >>>> model, some of my objects have back face culling problems as the moment >>>> the object is added to the scene graph. Moreover, I have a HeightField >>>> which has inverted culling on HALF of it! I joined "before-after" >>>> screenshots to this message. >>>> If anyone has an idea of the problem, please tell me! >>>> (I use OSG 2.7.1) >>>> >>>> -- >>>> Sukender >>>> PVLE - Lightweight cross-platform game engine - >>>> http://pvle.sourceforge.net/ >>>> >>>> >>>> Le Thu, 06 Nov 2008 12:50:28 +0100, Sukender <[EMAIL PROTECTED]> a écrit: >>>> >>>>> Robert, >>>>> >>>>> Thank you for your answer. I've checked what you pointed. But my exported >>>>> model: >>>>> - Has no coulour array (just a material) >>>>> - Has 196 vertex and 196 normals (so probably no missing normals) >>>>> - And has no transparency >>>>> >>>>> I really don't understand. Any idea? >>>>> >>>>> Note that I load the model using the cache >>>>> (ReaderWriter::Options::CACHE_ALL) and that I duplicate it (in order to >>>>> modify it without affecting the cached object) by using: >>>>> myGroup = new osg::Group(*loadedCachedModel, >>>>> osg::CopyOp::DEEP_COPY_OBJECTS | osg::CopyOp::DEEP_COPY_NODES); >>>>> I also tried DEEP_COPY_AL but that has no effect. Anyway, I'm not sure it >>>>> is related to my problem... >>>>> >>>>> I seen that on top of the geodes, there are MatrixTransforms with a >>>>> stange "StateSet { 0xba1 ON }" line (Exactly the same in each >>>>> MatrixTransform), but removing it didn't change anything. >>>>> >>>>> >>>>> If you want, the geode data looks like: >>>>> Geode { >>>>> UniqueID "Corps_geode" >>>>> DataVariance DYNAMIC >>>>> name "Corps_geode" >>>>> cullingActive TRUE >>>>> num_drawables 1 >>>>> Geometry { >>>>> StateSet { >>>>> UniqueID Corps_stateset >>>>> DataVariance STATIC >>>>> rendering_hint OPAQUE_BIN >>>>> GL_BLEND OFF >>>>> Material { >>>>> DataVariance STATIC >>>>> ColorMode OFF >>>>> diffuseColor 0.300000011921 0.5 0.0 1.0 >>>>> specularColor 1.0 1.0 1.0 1 >>>>> emissionColor 0.111620302463 0.186033830047 0.0 1 >>>>> shininess 24.5960784314 >>>>> } >>>>> } >>>>> VertexArray 196 {...} >>>>> NormalBinding PER_VERTEX >>>>> NormalArray 196 {...} >>>>> PrimitiveSets 2 {...} >>>>> } >>>>> } _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
