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Project Rembrandt: Difference between revisions
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* http://flightgear.org/forums/viewtopic.php?f=21&t=19000&p=177570&hilit=rembrandt+mac#p176972 | * http://flightgear.org/forums/viewtopic.php?f=21&t=19000&p=177570&hilit=rembrandt+mac#p176972 | ||
{{cquote|I'm seeing regular crashes here from ALS and Rembrandt, but that's nothing new.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg40024.html|title=<nowiki>Re: [Flightgear-devel] 2.10.1</nowiki>|author=Vivian Meazza|date=Fri, 03 May 2013 10:16:13 -0700}}</ref>|Vivian Meazza}} | |||
{{cquote|With an AMD Radeon HD 5670 using free radeon driver I've never seen performance of more than 15fps with Rembrandt and if I turn shadow details up so they don't look crappy I get about 3-4fps.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg40293.html|title=<nowiki>Re: [Flightgear-devel] reminder: entering feature freeze now</nowiki>|author=Stefan Seifert|date=Thu, 20 Jun 2013 10:10:56 -0700}}</ref>|Stefan Seifert}} | |||
{{cquote|with a i3770K and a GTX670, I get some hit from ALS (10-30%) but Rembrandt instantly drops me to 20fps, and < 10fps I use an aircraft I actually want to fly (777 or Citation) and go to any major airport (EGKK, EHAM, EDDM, EDDF, EGLC, VHHH) | |||
This is at 2560x1600, but on the 670 I would be highly surprised if I'm fill-rate limited, given that AA is off, and the general suboptimal size of our | |||
primitive batches. | |||
Emilian has explained on IRC this might be due to the out-of-the-box / default config for Rembrandt being highly suboptimal, which I didn't yet evaluate, I would be delighted to have it more usable.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg40298.html|title=<nowiki>Re: [Flightgear-devel] reminder: entering feature freeze now</nowiki>|author=James Turner|date=Thu, 20 Jun 2013 13:29:47 -0700}}</ref>|James Turner}} | |||
{{cquote|concerning the larger issue of different rendering pipelines / approaches, my opinion is, and remains, that the long-term solution is separate viewer codebases - while a plethora would be bad, we would already benefit from a 'fixed-function, no shaders' renderer codebase distinct from a Rembrandt renderer and modern, forward-rendering OpenGL 3.x pipeline. This needs the viewer to be cleanly split out from the simulation backend, via HLA, which is exactly what Mathias (and soon, myself) are working towards, but slowly.<ref>{{cite web |url=http://www.mail-archive.com/flightgear-devel@lists.sourceforge.net/msg39922.html|title=<nowiki>Re: [Flightgear-devel] Atmospheric Light Scattering</nowiki>|author=James Turner|date=Thu, 25 Apr 2013 08:09:08 -0700}}</ref>|James Turner}} | |||
=== Completed tasks === | === Completed tasks === | ||