Re: [Opensg-users] OpenSG2.0 - Issues and Improvements

2014-08-07 Thread Carsten Neumann
Hello Michael, On 08/06/2014 10:22 AM, Michael Raab wrote: we have some problems, actually crashes, on client laptop that use Intel HD chips. The problems are linked to the usage of BlendChunk's and I think we have narrowed it down to the BlendEquation. It seems Intel HD chips and

Re: [Opensg-users] Bug in ShaderProgramChunk and feature request for SimpleSHLChunk

2014-08-07 Thread Carsten Neumann
Hello Marcel, On 08/06/2014 01:53 PM, Marcel Weiler wrote: This line should probably be this-addTessEvaluationShader(value); yup, absolutely, good catch, fixed. Also it would be nice if there were functions for reading tessellation shader programs directly in a

Re: [Opensg-users] OpenSG2.0 - Issues and Improvements

2014-08-07 Thread Michael Raab
Hello Carsten, 3.) OSGImage: Added simple hash calculation to be able to compare images faster. + this-_hashCode = seed; + for(UInt32 i=0; i_mfPixel.size(); ++i) + { + this-_hashCode = + this-_hashCode * prime + (Int32)((_mfPixel[i])); + } + + this-_hashCode = seed; err, it looks to me

Re: [Opensg-users] OpenSG2.0 - Issues and Improvements

2014-08-07 Thread Carsten Neumann
Hello Michael, On 08/06/2014 03:08 PM, Michael Raab wrote: quick update on that. Finally I found a laptop that has a Intel HD Graphics board. Indeed extension GL_ARB_imaging is not supported while GLversion is 4.0.0. I changed the hasExtOrVersion() calls back to hasExtension() and the

Re: [Opensg-users] OpenSG2.0 - Issues and Improvements

2014-08-07 Thread Carsten Neumann
Hello Michael, On 08/07/2014 11:52 AM, Michael Raab wrote: Caching the hash value along with the image would be a useful feature as at certain times we do material optimizations which include the necessity to compare images quickly. Computing the hash values over and over would cause