[osg-users] Why can't ive format model texture show when turn on setUseVertexAttributeAliasing(true)?

[OpenSceneGraph Users]

env is system Win10 ,osg 3.6.4, osgearth 2.10.0,GTX1660 TI

Why is there an error in the model texture display when this function is 
turn on?

 const int width( 800 ), height( 450 );
    const std::string version( "4.3" );
    osg::ref_ptr< osg::GraphicsContext::Traits > traits = new 
osg::GraphicsContext::Traits();
    traits->x = 20; traits->y = 30;
    traits->width = width; traits->height = height;
    traits->windowDecoration = true;
    traits->doubleBuffer = true;
    traits->glContextVersion = version;
    traits->readDISPLAY();
    traits->setUndefinedScreenDetailsToDefaultScreen();
    osg::ref_ptr< osg::GraphicsContext > gc = 
osg::GraphicsContext::createGraphicsContext( traits.get() );
    if( !gc.valid() )
    {
        osg::notify( osg::FATAL ) << "Unable to create OpenGL v" << version 
<< " context." << std::endl;
        return( 1 );
    }
[image: Q20201012125957.png]

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