On Fri, 03 Feb 2017 10:16:33 +0100 Alessio Gaeta <alga...@gmail.com> wrote:
> Package: sweethome3d
> Version: 5.3+dfsg-2
> Severity: wishlist
> Dear Maintainer,
> SH3D 2D interface is very slow and lagging, at least on my machine (an 8 cores
> Intel i7, not exaclty a low-end one). Adding '-Dsun.java2d.opengl=true' to
> startup options (in /usr/share/sweethome3d/sweethome3d.sh) made it usable.
> I know that OpenGL acceleration is always problematic, and I don't know hot 
> its
> support is in OpenJDK (I'm using the Oracle JDK), but OpenGL is already used
> for the 3d view, after all, and in a CAD is a must (drawing a wall with the
> mouse pointer jumping back and forth is a real pain...).


thanks for the report. I haven't noticed any performance issues with
Sweethome3d and OpenJDK in the past and I use a rather poor video card
for nowadays standards (Radeon HD 6450 using the Gallium OpenGL
renderer). I haven't tested the Oracle JDK though. We can test your
proposed setting when Stretch is released. I will add it to JAVA_ARGS in
/usr/bin/sweethome3d which seems to be the appropriate place for this



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