Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread David L. Page
Michael, thanks. I am trying to run FG through a multi-display system using Chromium, which is an open source tool that replaces the OpenGL DLL to drive multiple displays without having to recompile FG. FG runs slowly with flickering and reports an error repeatedly about not finding

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread David L. Page
Curt, Thanks. I haven't used the multi-screen functionality. Unfortunately, I don't think it will work for me. I have some special rendering needs that FG's multi-screen won't handle as I understand it. I need to override some OpenGL calls, which Chromium allows me to do. Unfortunately,

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread Curtis Olson
On Fri, Feb 6, 2009 at 8:01 AM, David L. Page wrote: Michael, thanks. I am trying to run FG through a multi-display system using Chromium, which is an open source tool that replaces the OpenGL DLL to drive multiple displays without having to recompile FG. FG runs slowly with flickering

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread Alex Buzin
David L. Page wrote: Unfortunately, Chromium doesn't support OpenGL 2.0 or higher, right now. As I know FG 1.9.0 is using shaders to render trees and clouds. May be this is a problem. Try to find FG 1.0.0 or 0.9.10, it can be at the same FTP resource as 1.9.1. Alex

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread John Wojnaroski
Alex Buzin wrote: David L. Page wrote: Unfortunately, Chromium doesn't support OpenGL 2.0 or higher, right now. As I know FG 1.9.0 is using shaders to render trees and clouds. May be this is a problem. Try to find FG 1.0.0 or 0.9.10, it can be at the same FTP resource as 1.9.1. Alex

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread Csaba Halász
On Fri, Feb 6, 2009 at 6:10 PM, John Wojnaroski cas...@mminternet.com wrote: Do you mean shaders as in vert and frag program running on the GPU that are loaded, compiled, and linked with GLSL? There is support in OSG for these types of shaders, but I could not find any use of the methods in

Re: [Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-06 Thread John Wojnaroski
Csaba Halász wrote: On Fri, Feb 6, 2009 at 6:10 PM, John Wojnaroski cas...@mminternet.com wrote: Do you mean shaders as in vert and frag program running on the GPU that are loaded, compiled, and linked with GLSL? There is support in OSG for these types of shaders, but I could not find any

[Flightgear-devel] Q: OpenGL version requirement for FlightGear 1.9.1

2009-02-05 Thread David L. Page
What are the OpenGL version requirements for FlightGear 1.9.1? I haven't found a reference in FG documentation, yet. I have only seen specifications for the latest nVidia or ATI cards. Best regards, --Dave -- David L. Page Knoxville, Tennessee davidp...@ieee.org 865.607.8192