Great! Congrats :D
Fröhliche Weihnachten :)
On Mon, Dec 23, 2013 at 10:59 PM, Georg Zotti <georg.zo...@univie.ac.at>wrote:
> IT WORKS!
>
> At least somewhat...
>
> Alright, with the Mesa software solution, I have OpenGL2.1 with 5fps on
> the Atom N450 netbook (GMA3150, 1024x600px), and -errm..- 2.6fps on an
> "illuminated" landscape. Graphic quality is good, no artifacts, fonts are
> perfect. This is the first time I see Stellarium 0.13/Qt5.2 on this
> platform! I hope "full-size" PCs with similarly outdated OpenGL1.4-only
> Intel GMA can achieve higher frame rates. For the netbook I may want to
> keep using 0.12.4. Maybe some new things can be backported to a final
> old-hardware version, 0.12.5?
>
> I am not sure if the Mesa-based opengl32.dll can be distributed. See
> http://mesa3d.org/license.html. What do you think? Maybe we just have to
> add a disclaimer somewhere?
>
> On my 2008 WinXP with NVidia 8200, I have 7fps for FullHD with Mesa, about
> 35fps on hardware.
>
> On the bright landscape problem:
> There is a nasty flicker with the alpha3, which becomes more obvious on
> zoom-in, that makes the landscape overly bright.
>
> I had observed occasional bright flashes with Qt5.1, but too fast to see
> that anything more than white was rendered. Now I see the landscape image
> is painted very bright and stays on in some occasions. Not very nice,
> hopefully we can fix that.
>
> Another observation: night mode seems not to do much atm.
>
> Best regards, and if we don't read each other: Merry Christmas!
>
> Georg
>
>
> On Mo, 23.12.2013, 19:17, Georg Zotti wrote:
> > Dear all,
> >
> > I just have built the Mesa-based OpenGL32.dll (Such clear, current and
> > [almost] correct descriptions are rare!) Thrown into the new alpha3 on my
> > win7-i7-64/NVidia, displayed frame rate drops from 204 (wow!) to 22.3fps
> > on FullHD. Hmpff... But it provides OpenGL2.1. (ANGLE would have ES2.0
> > only.)
> >
> > I have not tested on my Atom yet. I may hope for 3fps, better than
> nothing
> > I guess.
> >
> > About the alpha, why is landscape so bright in deep twilight? Not my
> > version, I guess some line fell off?
> >
> > G.
> >
> >
> > On So, 22.12.2013, 21:19, Georg Zotti wrote:
> >> OK. I have compiled on my Atom with Qt5.2/MinGW/OpenGL, no problems.
> >> Crash
> >> after splash, as expected. Logfile goes until line
> >> "navigation/preset_sky_time is a double".
> >> I will try my luck and build Mesa in the next days, when I find/empty a
> >> harddisk to install Arch Linux.
> >>
> >> G.
> >>
> >> On So, 22.12.2013, 13:24, Alexander Wolf wrote:
> >>> Dear Georg,
> >>>
> >>> 2013/12/22 Georg Zotti <georg.zo...@univie.ac.at>
> >>>
> >>>> Alright, it's a problem in our main CMakeLists.txt config: this seems
> >>>> to
> >>>> be configured for and usable with gcc, exclusively. All the extra
> >>>> flags
> >>>> defined in line 96ff (-Wall (ok, --> /Wall, but this activates tons of
> >>>> messages) -Wsign-promo -mno-ms-bitfields -fexceptions -fident
> >>>> -mthreads)
> >>>> do not work with (i.e., are ignored by) the MSVC cl.exe.
> >>>>
> >>>
> >>> Bad news :(
> >>>
> >>>
> >>>>
> >>>> For a test, I deleted the -Wsign-promo switch from CMakeLists.txt.
> >>>> The compilation creates apparently tons of errors by ignoring the
> >>>> -mno-ms-bitfields, and then many more on missing copy constructors
> >>>> etc.
> >>>> I
> >>>> guess MSVC was never used?
> >>>>
> >>>
> >>> VS8 was used few years ago. MSVC2008 was used by one australian guy but
> >>> not
> >>> devteam members. Technically we should add compiler flags for MSVC in
> >>> our
> >>> main CMakeLists.txt.
> >>>
> >>>
> >>>>
> >>>> That means we need Qt5.2/Win32/ANGLE/MinGW, built from sources?
> >>>>
> >>>
> >>> *Sigh* Looks like you are right.
> >>>
> >>>
> >>>> Another solution may be to cross-compile a Mesa software renderer for
> >>>> the
> >>>> weak hardware, described here:
> >>>>
> >>>> http://qt-project.org/wiki/Cross-compiling-Mesa-for-Windows
> >>>>
> >>>> This opengl32.dll could be made an optional library for the
> >>>> installation
> >>>> package.
> >>>>
> >>>> I currently have no usable Linux PC. Any volunteers?
> >>>>
> >>>
> >>> Those instructions for Arch Linux, who use GCC 4.8 or maybe 4.9. On my
> >>> system (Ubuntu 12.04.3) I have only GCC 4.6 and I can't build crossed
> >>> versions of llvm 3.3 and mesalib.
> >>>
> >>> --
> >>> With best regards, Alexander
> >>>
>
>
>
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