Re: [gentoo-user] OpenScad produces no visible rendering at all

On 10/20 09:53, R0b0t1 wrote:
> On Fri, Oct 20, 2017 at 9:42 PM,  <tuxic@××××××.de> wrote:
> > On 10/20 09:32, R0b0t1 wrote:
> >> On Fri, Oct 20, 2017 at 8:41 PM,  <tuxic@××××××.de> wrote:
> >> > Hi,
> >> >
> >> > After installing OpenScad I started an example.
> >> > After the loading process ends I hit "preview" -
> >> > a script compiling process starts,,,and....
> >> > nothing was shown.
> >> > Same happens, when I hit "rendering".
> >> >
> >> > from lspci (the smaller card feeds the desktop, the bigger one is for Rendering
> >> > with Blender only, I set CUDA_VISIBLE_DEVICES=0)
> >> > 02:00.0 VGA compatible controller: NVIDIA Corporation GM206 [GeForce GTX 960] (rev a1)
> >> > 02:00.1 Audio device: NVIDIA Corporation Device 0fba (rev a1)
> >> > 09:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 430] (rev a1)
> >> > 09:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio Controller (rev a1)
> >> >
> >> > Output on OpenScad own terminal after hitting preview of the example "CSG.openscad)
> >> > Compiling design (CSG Tree generation)...
> >> > ECHO: version = [2015, 3, 0]
> >> > Compiling design (CSG Products generation)...
> >> > Geometries in cache: 2
> >> > Geometry cache size in bytes: 62800
> >> > CGAL Polyhedrons in cache: 0
> >> > CGAL cache size in bytes: 0
> >> > Compiling design (CSG Products normalization)...
> >> > Normalized CSG tree has 6 elements
> >> > Compile and preview finished.
> >> > Total rendering time: 0 hours, 0 minutes, 1 seconds
> >> >
> >> > Outout on the terminal, from which I started OpenScad:
> >> > solfire:/home/mccramer>openscad
> >> > using visual class 4, id 2b
> >> > hijackWindow() context created for LaunchingScreen(0x2ade380, name = "LaunchingScreen") 1
> >> > Created Window Surface FBO QSize(620, 418) with samples 8
> >> > hijackWindow() context created for MainWindow(0x2b0ed20, name = "MainWindow") 1
> >> > Created Window Surface FBO QSize(1920, 1141) with samples 8
> >> > hijackWindow() context created for QWidget(0x2b5b010, name = "centralwidget") 2
> >> > hijackWindow() context created for QWidget(0x2cab240, name = "mainWidget") 3
> >> > hijackWindow() context created for QToolBar(0x2bc6350, name = "viewerToolBar") 4
> >> > hijackWindow() context created for QMenuBar(0x2bf2580, name = "menubar") 5
> >> > hijackWindow() context created for QStatusBar(0x2c1ca20, name = "statusbar") 6
> >> > hijackWindow() context created for QSizeGrip(0x2c1cda0) 7
> >> > hijackWindow() context created for QLabel(0x33ff150) 8
> >> > hijackWindow() context created for QLabel(0x2b9eb70) 9
> >> > hijackWindow() context created for Dock(0x2b05220, name = "editorDock") 10
> >> > hijackWindow() context created for Dock(0x2ba9fe0, name = "consoleDock") 11
> >> > hijackWindow() context created for QMenu(0x2b02c00, name = "menu_View") 1
> >> > Created Window Surface FBO QSize(184, 583) with samples 8
> >> >
> >> > What wrong here?
> >> > Why I can't see any rendered output?
> >> >
> >> > Cheers
> >> > Meino
> >> >
> >>
> >> Hello,
> >>
> >> Are you using OpenSCAD interactively? When I used BRL-CAD rendering
> >> and viewing were separate actions. You could render headlessly.
> >>
> >> Cheers,
> >>      R0b0t1
> >>
> >
> > OpenScad is an integrated GUI (see: http://www.openscad.org/).
> > Instead of the 3D-view I only see a black, sometimes yellowish
> > window shown nothing but an empty space.
> >
> > Zoommin in/out does not help.
> >
>
> Can you set your camera to be viewing the origin? If you can see
> something at all I think it unlikely the graphics code is broken.
>

Wait! I found something:
When running blender in parallel, everything works fine.
What the heck...

Cheers
Meino