[fluxus] commits

[Alex Norman]

ahh, nice, it works now :)

-Alex

On  0, dave <dave at pawfal.org> wrote:
> oops, some undeclared variables :)
> try it now
> 
> On Sat, 2007-05-26 at 09:50 -0700, Alex Norman wrote:
> > so here is the back trace from simply starting fluxus (with those gdb args you
> > gave me), i start up fluxus and it opens a window and immediately i get a
> > segfault (i don't see anything on the window)
> > 
> > Program received signal SIGABRT, Aborted.
> > [Switching to Thread -1220282672 (LWP 14378)]
> > 0xffffe410 in __kernel_vsyscall ()
> > (gdb) bt
> > #0  0xffffe410 in __kernel_vsyscall ()
> > #1  0xb7563df0 in raise () from /lib/tls/i686/cmov/libc.so.6
> > #2  0xb7565641 in abort () from /lib/tls/i686/cmov/libc.so.6
> > #3  0xb7d74bc5 in fault_handler (sn=11, si=0xbfc20dec, ctx=0xbfc20e6c) at ./sighand.c:20
> > #4  <signal handler called>
> > #5  fluxus::dMatrix::inverse (this=0x3e4ccd5d) at libfluxus/src/dada.cpp:613
> > #6  0xb7043fb5 in fluxus::Camera::DoCamera (this=0x80b300c) at libfluxus/src/Camera.cpp:58
> > #7  0xb70460c1 in fluxus::Renderer::PreRender (this=0x80b2e30, PickMode=false) at libfluxus/src/Renderer.cpp:229
> > #8  0xb70467f7 in fluxus::Renderer::Render (this=0x80b2e30) at libfluxus/src/Renderer.cpp:91
> > #9  0xb7006e85 in Engine::Render (this=0x80b11b8) at modules/fluxus-engine/src/Engine.cpp:95
> > #10 0xb7008370 in render (argc=0, argv=0xb7f14fb4) at modules/fluxus-engine/src/FluxusEngine.cpp:103
> > #11 0x08270f49 in ?? ()
> > #12 0x00000000 in ?? ()
> > 
> > 
> > -Alex
> > 
> > On  0, Dave Griffiths <dave at pawfal.org> wrote:
> > > Uh oh :)
> > > 
> > > Well, I found some 3D glasses yesterday to give this a test, and fixed the
> > > editor and clearing problems. The fix is to defer the setting of
> > > glColorMask to inside the render loop. It's generally a good idea to use
> > > the Scheme commands to set up some state inside the Renderer class, and
> > > use this state later on to call OpenGL from the main rendering process.
> > > This means we can get the ordering right. I'll commit this in a bit.
> > > 
> > > I also had to juggle (clear-frame) and (clear-zbuffer) inside
> > > scratchpad.ss to get the second render pass to overlay the first, rather
> > > than clearing it - then it seemed to work well. This is exactly the sort
> > > of thing I'd wanted to extend fluxus to doing - and controlling the passes
> > > from Scheme, so perfect timing for this stuff :)
> > > 
> > > Hopefully we can use a similar technique for multipass rendering shadow
> > > volumes with the stencil buffer, and orchestrating everything from Scheme
> > > rather than having preset render modes hardcoded in C++. It will make a
> > > lot of strange render compositing tricks possible too.
> > > 
> > > 
> > > > the new cvs version segfaults for me on startup (right after it opens the
> > > > window), I'll get out a backtrace soon.
> > > >
> > > > -Alex
> > > >
> > > > On  0, dave <dave at pawfal.org> wrote:
> > > >> I've branched v0_12_maintenance, and incremented the cvs head version to
> > > >> 0.13 - and named the executable fluxus-0.13 (it's possible to install
> > > >> and run this version in parallel with 0.12)
> > > >>
> > > >> * stereo rendering support by Alex Norman, adding:
> > > >> 	- (set-stereo-mode ['no-stereo 'crystal-eyes 'colour])
> > > >> 	- (get-stereo-mode)
> > > >> 	- (get-eye-separation)
> > > >> 	- (set-eye-separation)
> > > >> * (draw-buffer) added by Alex Norman
> > > >> * libfluxus clean up, removed old cruft, simplified renderer
> > > >> * removed (begin-scene) and (end-scene), added (render) - you can draw
> > > >> immediate mode primitives at any time now, they will appear in the next
> > > >> (render)
> > > >> * removed feedback for aesthetic reasons
> > > >> * added (clear-zbuffer)
> > > >> * added (pixels-load) for loading pngs into pixel prims
> > > >> * renamed (upload-pixels) to (pixels-upload)
> > > >>
> > > >> Alex, please check I haven't trashed anything - and feel free to commit
> > > >> stuff. (I haven't fixed the editor yet)
> > > >>
> > > >> .. off to find some red/green glasses :]
> > > >>
> > > >> cheers,
> > > >>
> > > >> dave
> > > >>
> > > >
> > > 
> > > 
> > > http://www.pawfal.org/dave/
> > > 
>