To enable DCE, add the following registry key and reboot: There is no user interface to enable DCE in this build. On some builds, the VMware graphics stack has a bug where there is no alpha masking or multiply support when DCE is enabled. It is to be noted that a compatible Direct3D graphics driver with hardware acceleration has to be installed and running properly prior to starting Desktop Compositing Engine otherwise, either nothing happens or the desktop compositor will either crash or produce major graphical artifacts. ![]() The bug wasn't fixed until build 4038, which was the first M6 build to have a working render DCE window frames.Įnabling the Desktop Compositing Engine However, builds 4029 through 4033 have a bug in the DCE which causes it to not enable the Direct3D shaders (which DCE window frames rely on). Also during Milestone 5, the Desktop Compositing Engine was reworked to enable DCE window frames, which would be the forerunner to the Windows Aero theme. Despite these animations, other labs used only window transparency effects. Throughout Milestone 5, Lab06 builds such as build 4015 and build 4018 were known to have additional DCE effects, including graphical animations and flapping windows while dragging. Starting from build 3706 through build 4005, a new twirling effect when minimizing or closing windows is added, and a user interface was included to allow the user to enable DCE on boot or via dynamic control. The Desktop Compositing Engine is first present starting with build 3683, but in a buggy state that only renders window transparency. 2 Enabling the Desktop Compositing Engine.
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