<div dir="ltr"><div dir="ltr">On Sat, 17 Oct 2020 at 18:15, OpenSceneGraph Users <<a href="mailto:osg-users@lists.openscenegraph.org">osg-users@lists.openscenegraph.org</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Thank you for your questions,
Do you mean to use this setUseVertexAttributeAliasing(true)
only in GL version that only supports shaders ? <br></blockquote><div><br></div><div>Vertex aliasing only affects scene graphs that use shaders, they don't affect the OpenGl fixed function pipeline.</div><div><br></div><div>The OSG tests for shader support at runtime so even older versions of OpenGL prior to GL2 can use shaders.</div><div><br></div><div>However, if you build against GL core profile or GLES2.x of greater then there is no fixed function pipeline so all OSG usage will need to use shaders.</div><div><br></div><div>Robert. </div></div></div>