<div dir="ltr">Hi Andy,<br><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Jan 23, 2016 at 3:41 AM, Andreas Weber <span dir="ltr"><<a href="mailto:octave@tech-chat.de" target="_blank">octave@tech-chat.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class="">Am 12.01.2016 um 22:08 schrieb David Lonie:<br>
> I maintain the GL2PS export implementation in VTK, and we recently<br>
> revamped our rendering engine to use newer OpenGL APIs, and the<br>
> versions we're targeting have deprecated the OpenGL feedback buffer.<br>
<br>
</span>I'm very unexperienced with OpenGL internals so this might be a silly<br>
question. If I read the topic, does this mean that it is now possible to<br>
use gl2ps without OpenGL context, for example on a headless server<br>
without X running? In my words something like "offscreen rendering"?<br></blockquote><div><br></div><div>The recent change allows gl2ps to process geometry that is provided explicitly via function calls to the gl2ps library, rather than only fetching it from OpenGL.</div><div><br></div><div>If you're looking to use gl2ps/OpenGL from a headless server with no X server, this should already be possible using OSMesa[1], which provides an offscreen, software-based OpenGL implementation.</div><div><br></div><div>[1] <a href="http://www.mesa3d.org/osmesa.html">http://www.mesa3d.org/osmesa.html</a></div><div><br></div><div>Hope this helps,</div><div>Dave</div></div></div></div>