Hardware-Accelerated Graphics (Compact 7)
3/12/2014
Hardware acceleration for Silverlight for Windows Embedded caches rendered UI elements in graphics memory, consuming more memory but resulting in better graphics performance.
In Silverlight for Windows Embedded, you can support hardware-accelerated graphics so that UI elements are displayed more efficiently, and improve a user’s experience with the UI. Hardware-accelerated UI elements require more memory to render on the display screen.
You can decide to support hardware-accelerated graphics either with DirectDraw or with OpenGL.
Note
If you implement hardware acceleration based on OpenGL, the XAML UI that is rendered on the screen has a maximum size limitation of 2048 × 2048 pixels.
The default implementation of hardware acceleration uses GDI.
To support hardware-accelerated graphics in Silverlight for Windows Embedded, you must support specific hardware and drivers on your hardware board.
For recommendations on which hardware to use with Silverlight for Windows Embedded, see Silverlight for Windows Embedded Hardware Recommendations.
To add this feature to your OS, see Silverlight for Windows Embedded Catalog Items and Sysgen Variables and BSP Environment Variables.
For reference information, see IXRBitmapCache.
Source code for this feature is available at %_WINCEROOT%\PUBLIC\COMMON\OAK\XAMLRENDERPLUGIN.
For step-by-step guidelines for implementing hardware acceleration, see the Silverlight for Windows Embedded Application Development.