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#get jogamp and robovm
wget https://libgdx.badlogicgames.com/robovm/robovm-1.6.1-SNAPSHOT.tar.gz
wget http://jogamp.org/deployment/jogamp-current/fat/jogamp-fat.jar
#unpack
tar zxvf robovm-1.6.1-SNAPSHOT.tar.gz
#compile using robovm
./robovm-1.6.1-SNAPSHOT/bin/robovm -verbose -dynamic-jni -forcelinkclasses jogamp.**:com.jogamp.** -cp jogamp-fat.jar com.jogamp.newt.opengl.GLWindow
#run
cd com.jogamp.newt.opengl.GLWindow
#robovm currently fail to find natives inside jars, unpack them
unzip -o lib/jogamp-fat.jar natives/*/*
time ./com.jogamp.newt.opengl.GLWindow
# Runtime options
# All robovm runtimeoptions starts with
# -rvm:
#
# To set jogamp specific java properties use
# -rvm:Djogamp.debug
# -rvm:Djogl.debug
#
# for more rvm flag examples see
# https://github.com/robovm/robovm/wiki/Hacking-on-RoboVM#controlling-a-robovm-executable
time ./com.jogamp.newt.opengl.GLWindow -rvm:Djogl.debug
# Make the generated robovm binary smaller
# we can use the robovm -treeshaker aggressive to remove classes from the binary
# and we can more carefully select which nativewindow backends to include using forcelinkclasses.
# finally we can reduce the size using strip and upx
./robovm-1.6.1-SNAPSHOT/bin/robovm -treeshaker aggressive -verbose -dynamic-jni -forcelinkclasses jogamp.nativewindow.x11.X11GraphicsConfigurationFactory:jogamp.** -cp jogamp-fat.jar com.jogamp.newt.opengl.GLWindow
cd com.jogamp.newt.opengl.GLWindow
strip com.jogamp.newt.opengl.GLWindow
upx com.jogamp.newt.opengl.GLWindow
# the final binary is then below 5Mb!
# du -s -h com.jogamp.newt.opengl.GLWindow
# 4,7M com.jogamp.newt.opengl.GLWindow
# Real world example using jogl-demos compressed to small size: 6,3Mb
wget http://jogamp.org/deployment/jogamp-current/archive/jogl-demos.7z
7z x jogl-demos.7z
./robovm-1.6.1-SNAPSHOT/bin/robovm -treeshaker aggressive -verbose -dynamic-jni -forcelinkclasses jogamp.nativewindow.x11.X11GraphicsConfigurationFactory:jogamp.** -cp jogamp-fat.jar:jogl-demos/jar/jogl-demos.jar demos.es2.RawGL2ES2demo
cd demos.es2.RawGL2ES2demo
unzip -o lib/jogamp-fat.jar natives/*/*
zip -d lib/jogamp-fat.jar natives/*/*
strip demos.es2.RawGL2ES2demo
upx demos.es2.RawGL2ES2demo
chmod +x natives/*/*
strip natives/*/*
upx natives/*/*
./demos.es2.RawGL2ES2demo
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