A.2 Properties on Windows

The following list describes some useful properties on Windows platforms.

• The DirectDraw/GDI pipeline is the default pipeline for Windows. Change this default as follows:

  • -Dsun.java2d.noddraw=true — Disable the use of DirectDraw pipeline. GDI will be used instead.

  • -Dsun.java2d.noddraw=false — Enable the use of DirectDraw pipeline.

  • -Dsun.java2d.d3d=false — Disable the use of Direct3D pipeline.

  • J2D_D3D=false — Disable the use of Direct3D pipeline.

  • -Dsun.java2d.d3d=true — Enable the use of Direct3D pipeline.

  • J2D_D3D=true — Enable the use of Direct3D pipeline.

• Control the use of the built-in surface punting mechanism as follows:

  • -Dsun.java2d.ddforcedram=true — Keep volatile images in VRAM.

• Control the use of DirectDraw blit operations as follows:

  • -Dsun.java2d.ddblit=false — Disable the use of DirectDraw blit operations. GDI blits will be used instead.