Hi Thomas. Could it be that you are hitting up against the NVidia driver issue relating to the handing of uniform arrarys. The svn/trunk version of the OSG has a workaround for this issue so would recommend trying this.
Robert. On Thu, Sep 29, 2011 at 3:30 AM, Thomas Hogarth <[email protected]> wrote: > Hi Guys > I've been trying to run the osganimationhardware example for osg 3.0.1 on > windows7 32bit with Geforce GTX 560 and latest drivers 280.26 . In the past > I have had this running (not on this machine or osg version), I simply > downloaded the osgData collection with the nathan.osg and skinning.vert > shader file. > However now when I'm running it, anything that is skinned does not render. I > have altered the shader to just use the gl_Vertex position rather then the > weighted position and then the object renders (so verts are fine). I have > also used the boneWeight0 uniforms to colour the mesh and they seem to have > decent values. > The only thing that doesn't seem to have good values is > uniform mat4 matrixPalette[MAX_MATRIX]; > When I checked the converted shader the value of MAX_MATRIX seems to be set > correctly, but if I used the first line of the first matrix as the colour > value, like > gl_FrontColor = matrixPalette[0][0]; > It is always black, > Looking at the uniform attached to the geoms stateset I can see roughly the > following in the debugger > _uniformList = [2](("matrixPalette", ({_ptr=0x0d0bfb58 }, > 0)),("nbBonesPerVertex", ({_ptr=0x0d0bf3b8 }, 0))) > _ptr = 0x0d0bfb58 {_parents=[1](0x0d0bfed8 {_parents=[1](0x00df9bf8 > {_name="" _dataVariance=DYNAMIC _userDataContainer=0x00000000 }) > _modeList=[0]() _attributeList=[1](((PROGRAM, 0), ({_ptr=0x0d0bc9c0 }, 0))) > ...}) _type=FLOAT_MAT4 _numElements=3 ...} > osg::MixinVector<float> = > {_impl=[48](1.0000000,0.00000000,0.00000000,0.00000000,0.00000000,1.0000000,0.00000000,0.00000000,0.00000000,0.00000000,1.0000000,0.00000000,0.00000000,0.00000000,0.00000000,1.0000000,0.99998939,0.0046100151,0.00000000,0.00000000,-0.0046100151,0.99998939,0.... > > So if the colour is the first vec4 of the matrixPalette uniform it should > be 1.0000000,0.00000000,0.00000000,0.00000000, but it's just black. > Can anyone confirm the osganimationhardware example is currently working > with these assets > http://www.openscenegraph.org/projects/osg/wiki/Downloads/SampleDatasets > > Any help would be awesome > Tom > PS > My config looks like this > #ifndef OSG_CONFIG > #define OSG_CONFIG 1 > /* #undef OSG_NOTIFY_DISABLED */ > /*#define OSG_USE_FLOAT_MATRIX > #define OSG_USE_FLOAT_PLANE > #define OSG_USE_FLOAT_BOUNDINGSPHERE > #define OSG_USE_FLOAT_BOUNDINGBOX*/ > #define OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION > /* #undef OSG_USE_UTF8_FILENAME */ > #define OSG_DISABLE_MSVC_WARNINGS > #define OSG_GL1_AVAILABLE > #define OSG_GL2_AVAILABLE > /* #undef OSG_GL3_AVAILABLE */ > /* #undef OSG_GLES1_AVAILABLE */ > /* #undef OSG_GLES2_AVAILABLE */ > /* #undef OSG_GL_LIBRARY_STATIC */ > #define OSG_GL_DISPLAYLISTS_AVAILABLE > #define OSG_GL_MATRICES_AVAILABLE > #define OSG_GL_VERTEX_FUNCS_AVAILABLE > #define OSG_GL_VERTEX_ARRAY_FUNCS_AVAILABLE > #define OSG_GL_FIXED_FUNCTION_AVAILABLE > #endif > I mention it as originally I dived straight into trying it without any fixed > functionality essentially emulating gles2, but had this same issue. I've > then gone for the more standard build above, but the result is the same > (although now I see objects that aren't skinned) If I can get this working > again on desktop then I don't think getting it working on gles2 will be too > much hassle (unless I hit some shader variable length limit). > Also standard osgAnimationViewer works fine > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
