Force a flush after drawing a geometry.  This is due to the fact that buffers sent to opengl can still be in use when java tries to make changes to them later in the code.
Force a flush after drawing a geometry.  This is due to the fact that buffers sent to opengl can still be in use when java tries to make changes to them later in the code.


git-svn-id: 5afc437a751a4ff2ced778146f5faadda0b504ab@2335 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio