lightObstaclesTextureArray->setTextureSize(_lightObstaclesTextureArraySize, _lightObstaclesTextureArraySize, numLightsWithObstacles);
lightObstaclesTextureArray->setInternalFormat(GL_DEPTH_COMPONENT32);
lightObstaclesTextureArray->setShadowTextureMode(osg::Texture2D::LUMINANCE);
lightObstaclesTextureArray->setShadowComparison(true);
lightObstaclesTextureArray->setShadowCompareFunc(osg::Texture::LEQUAL);
lightObstaclesTextureArray->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_BORDER);
lightObstaclesTextureArray->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_BORDER);
lightObstaclesTextureArray->setWrap(osg::Texture::WRAP_R, osg::Texture::CLAMP_TO_BORDER);
lightObstaclesTextureArray->setFilter(osg::Texture::MIN_FILTER, osg::Texture::NEAREST);