Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 91523)
+++ /trunk/Config.kmk	(revision 91524)
@@ -527,4 +527,8 @@
 if1of ($(KBUILD_TARGET), darwin linux win)
  VBOX_WITH_VMSVGA3D = 1
+endif
+# Enable vmsvga (svga2) graphics device variant, 3D part, VGPU10 DX commands
+ifdef VBOX_WITH_VMSVGA3D
+ VBOX_WITH_VMSVGA3D_DX=1
 endif
 # Enable the generic 3D settings support if at least one 3D capable solution is enabled