Desktop Window Manager
E37367
Desktop Window Manager is the compositing window manager in modern Microsoft Windows that handles visual effects, window rendering, and desktop composition using hardware acceleration.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Aero Glass desktop composition | 1 |
| Windows Flip 3D | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Windows component
ⓘ
compositing window manager ⓘ system process ⓘ |
| alsoKnownAs | DWM ⓘ |
| cannotBeEasilyDisabled | true ⓘ |
| componentOf |
Windows desktop environment
ⓘ
Windows Shell ⓘ
surface form:
Windows graphics subsystem
|
| developer | Microsoft ⓘ |
| executablePathTypical | C:\\Windows\\System32\\dwm.exe ⓘ |
| handles |
composition of window surfaces into final image
ⓘ
off-screen buffering of windows ⓘ window thumbnails in Alt+Tab switcher ⓘ |
| improves |
graphics performance for windowed applications
ⓘ
visual consistency of the desktop ⓘ |
| introducedConcept | fully composited desktop in Windows ⓘ |
| introducedInVersion | Windows Vista ⓘ |
| manages |
desktop effects
ⓘ
visual effects ⓘ window rendering ⓘ |
| operatingSystem |
Windows
ⓘ
surface form:
Microsoft Windows
|
| primaryFunction |
desktop composition
ⓘ
rendering the Windows desktop ⓘ window compositing ⓘ |
| processName | dwm.exe ⓘ |
| relatedTo |
Aero theme
ⓘ
Explorer.exe ⓘ Windows Shell ⓘ
surface form:
Windows shell
|
| replaced | GDI-based direct-to-screen rendering model ⓘ |
| requiredSinceVersion | Windows 8 ⓘ |
| runsByDefault | true ⓘ |
| runsInSession | user session ⓘ |
| securityImpact | isolates window rendering from applications ⓘ |
| supports |
desktop duplication APIs
ⓘ
screen capture for features like Game Bar ⓘ |
| supportsFeature |
Aero transparency
ⓘ
Flip3D ⓘ desktop composition for multiple monitors ⓘ high DPI scaling ⓘ live window previews ⓘ per-monitor DPI awareness ⓘ taskbar thumbnails ⓘ window animations ⓘ |
| uses |
GPU
ⓘ
hardware acceleration ⓘ |
| usesAPI |
DirectX
ⓘ
surface form:
Direct3D
DirectX ⓘ Windows Display Driver Model ⓘ |
| usesRenderingModel | composited off-screen surfaces ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aero Glass desktop composition
this entity surface form:
Windows Flip 3D