1 Environment variables in VCL:
5 SAL_USE_VCLPLUGIN - use a VCL plugin
6 SAL_NO_NWF - disable native widgets
7 SAL_FORCEDPI - force a specific DPI (gtk & gtk3 plugins only)
8 SAL_FORCE_HC - force high-contrast mode
10 VCL_DOUBLEBUFFERING_AVOID_PAINT - don't paint the buffer, useful to see where we do direct painting
11 VCL_DOUBLEBUFFERING_FORCE_ENABLE - enable double buffered painting
12 VCL_DOUBLEBUFFERING_ENABLE - enable a safe subset of double buffered painting (currently in Writer, not in any other applications)
14 VCL_HIDE_WINDOWS - don't draw windows
18 VCL_NO_THREAD_SCALE - disable threaded bitmap scale
19 EMF_PLUS_DISABLE - use EMF rendering and ignore EMF+ specifics
23 SAL_FORCEGL - force enable OpenGL
24 SAL_GL_NO_SWAP - disable buffer swapping if set (should show nothing)
25 SAL_GL_SLEEP_ON_SWAP - sleep for half a second on each swap-buffers.
26 SAL_WITHOUT_WIDGET_CACHE - disable LRU caching of native widget texutres
27 SAL_DISABLE_GLYPH_CACHING - don't render glyphs through OpenGL textures
28 SAL_DISABLE_GL_WATCHDOG - don't start the thread that watches for broken GL drivers