On Friday 17 Jun 2005 00:12, Gerard Robin wrote: > Le jeudi 16 juin 2005 à 23:01 +0200, Oliver C. a écrit : > > On Thursday 16 June 2005 20:34, Harald JOHNSEN wrote: > > > I was thinking of using some pixel shader for one or two > > > effects. This would be with the arbvp1 & arbfp1 type > > > shader. Of course I won't write them in assembler by would > > > use Cg to produce the assembler source. > > > The use or arb type program should limit the dependencies > > > on standard opengl driver. > > > > The GLSL is part of OpenGL 2.0 and NVidia has allready > > OpenGL 2.0 compliant drivers for Linux and Windows. So > > OpenGL 2.0 with GLSL is IMHO the way to go. > > > > > But before starting anything like that I first want to > > > know if : 1) people have program shader capable cards (ie > > > FX5200+ or ati9500+) No need to code lot of things if only > > > 5% of the user can see them. Normaly a good percentage > > > should have correct > > > cards (or will have in the next 6 month) but I feel that > > > some still use olders cards. > > > > I have a Geforce 4 Ti but that's not a problem, i can > > upgrade later when it makes sense. :) > > The only thing that is important for me now, is an option to > > turn it off and it must stay vendor neutral and > > crossplatform compatible. So, please don't use specific > > OpenGL Extensions that only run on specific hardware. > > Instead use only what OpenGL 2.0 offers in a neutral way. > > > > > No need to code lot of things if only 5% of the user can > > > see them. > > > > You can be sure, that i will be able to see it some day (in > > a couple of months -> next videocard is allready planned). > > So this shouldn't hinder you. > > > > > 2) you think it's a good idea to enhance a bit some visual > > > aspect of Flightgear or you think that only simulation > > > count and all the rest is useless eye candy ;) > > > > No, i like eye candy very much and see it as an important > > factor for flightgear beside the physic code and other > > things. So when you can improve it, then please, improve it. > > :) > > > > > > > > Best Regards, > > Oliver C. > > Whe must pay attention about the New OpenGL 2.0. > You probably remember, recently i have been fighting with my > new NVidia GT6600 (OpenGL 2.0) and the last Linux driver > (OpenGL 2.0), those are perfectly working. > BUT An Exception FG, does not. > I have found in FG itself a functionality about lighting > animation which makes the problem. > It was working with the older drivers (OpenGL 1.5). > I had to patch FG, because i need a hight speed graphic card, > I don't hope any come back from NVidia. > The graphics card suplyer, don't take care with the old > releases, they answer to the instant mass request. > With FG Beware OpenGL 2.0.
There is/was definite problem with the 7xxx nVidia drivers & FG. Reverting back to the 69xx drivers works ok. There is a patch to the nVidia supplied source code that will enable it to be compiled on 2.6.11 kernels. LeeE _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
