Scott, your fixes did not fix the issues on the OSX with the DDS textures ... But thanks anyway
On Thu, Sep 24, 2015 at 9:26 PM, Robert Osfield <[email protected]> wrote: > Hi Scott, > > Thanks for the follow up. > > Could you post the whole modified file, this way we can avoid any possible > copy and past errors. > > Thanks, > Robert. > > On 24 September 2015 at 20:13, Davis, Timothy S CTR comnavairsyscom < > [email protected]> wrote: > >> Sorry. It keeps trying to encrypt the message. >> >> Robert >> >> While continuing to build a model that results in the problem, I >> discovered something I didn't see before. The IVE model had an incorrect >> number of mipmap levels (it had 8) for a 32x32 texture. It makes sense >> that glTexStorage2D would generate INVALID_OPERATION in this case. >> Rebuilding the model from a source with uncompressed textures and >> recompressing the textures worked. The original model was converted with a >> much older version of OSG, pre OSG 3 for sure. >> >> So I was barking up the wrong tree:) >> >> That addresses my specific issue without needing a change to OSG 3.4.0. >> However, I still think it is worth trying for the OSX case. >> >> >> Trajce >> >> In osg/Texture.cpp, function applyTexImage2D(), find the line: >> >> useTexStorage &= sizedInternalFormat != 0; >> >> add the following after the line: >> >> if ( useTexStorage && compressed_image && numMipmapLevels > 2 ) >> { >> numMipmapLevels -= 2; >> } >> >> This is clearly not production quality as it assumes block size is 4 and >> complete mipmaps to 1x1. It should be enough to check the approach. You >> may have to set GL_TEXTURE_MAX_LEVEL if the driver thinks the texture is >> incomplete, but I didn't have that issue. >> >> Scott >> _______________________________________________ >> 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 > > -- trajce nikolov nick
_______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
