put some functions into an anonzmous namespace

Change-Id: I39357685bfd3b2e556d0c6f83a3833fd64bc7e52
most likley nobody has used that profiling code in years

Change-Id: I6ad7aea0d77b54509c3c919d0015f3a94118a398
add initial code for creating 3D bar shapes

Change-Id: I55489fad8723f204003fe502eea5e02de4c8d6ef
no need to swap buffers in the offscreen rendering

Change-Id: Ibe25afaa71acc0a0c8995c6f0644eb08fe8920cf
OSL_TRACE to SAL_INFO in opengl code

Change-Id: I7bdefec1cf941d1a51b7777639c0979387e1b436
remove file

Change-Id: I74d1116ae0d5f99bcfbbe67ec1ecbe1a5a89ad8f
Revert "Remove opengl usage from svx until we can't solve building problems"

This reverts commit 10be411f33c69db83cc5de410eaddf2d297608ae.
prevent initializing the OpenGL context multiple times

Change-Id: I2ebdbcd51938bc1dc61693ac392eed5d5e497a8d
fix crash when passing external Window to OpenGLContext::init

The external window is not controlled by OpenGLContext so it is not
allowed to delete the window

Change-Id: Id2c79a3612cc875fd94b8cd1206b30af2f185875
move the OpenGLContext to the model object

In the next step we need to initialize it again but in the ViewContact
it gets destroyed several times which is a problem.

Change-Id: I3efe4311bfb279b7407eabd0dd673f33603d8e9b
initial work on allowing to resize the OpenGL object

Change-Id: I29799522d32e31b4ffbba9d931fda352ee080e2d
remove whitespace

Change-Id: I16930834f75efcac8c710486d4e3286fcaaf64fd
remove some OpenGL traces from OpenGLRender and DummyXShape

Change-Id: Ibc4877a7c98a0ee1920d6ff0137009f489e2e9a9
e temporarily a local OpenGL context

Change-Id: I086d826456d77bf978c3877ed6da92850878ad97
call glewInit in vcl's OpenGLContext just once

Change-Id: I9f9b50615e588e659c7fcdd016cf9ceb8407b974
improve the code for temporary OpenGl context

Change-Id: Ia66bf54539e67066a56bb50fb606e50e581bee73
temporarily render to a file

Change-Id: Ibfc8101f261489bf11f990ea3fe6ae2e74b99df9
remove unused variable

Change-Id: I8291aa433fb8f9d8fd3a5c2c756c006321a6deb4