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Setting Up Projections with AppEasyBlend Plugin

Warning
The functionality described in this article is not available in the Community SDK edition.
You should upgrade to Sim SDK edition to use it.

AppEasyBlend plugin allows you to render the UNIGINE-based application on multi-projector setups that are stored in the calibration files created via the Scalable Display Manager and set up via the EasyBlend SDK. The setup can have a complex shape, such as dome.

Notice
  • The plugin is available only on Windows with DirectX 11 API (DirectX runtime may need to be updated). OpenGL support is currently experimental.
  • Microsoft Visual C++ 2008 Redistributable Package x64 is required.
  • DPI scaling is not supported.
  • This plugin cannot be used in a Qt-based application.

The plugin supports the fullwindow mode (when the application window is rendered without decorations).

Notice
If you run the application in the windowed mode, the window should be non-resizable.

You can toggle the AppEasyBlend plugin via the easyblend console command:

  • To enable, use:
    Source code
    easyblend 1
  • To disable, use:
    Source code
    easyblend 0

See Also#

Implementing Unigine Application with AppEasyBlend Support#

To use the AppEasyBlend plugin with UNIGINE, perform the following:

  1. Create a new project with AppEasyBlend support via UNIGINE SDK Browser: click Plugins, check the EasyBlend support (AppEasyBlend plugin) option in the form that opens and click Ok.

    AppEasyBlend Plugin on Plugins Panel
    Notice
    To add AppEasyBlend support to the existing project, in UNIGINE SDK Browser, click Other Actions -> Configure Project -> Plugins -> EasyBlend support (AppEasyBlend plugin) -> Ok.
  2. Implement your application.
  3. Launch the AppEasyBlend plugin on the application start-up.

Launching AppEasyBlend#

To launch the plugin, specify the extern_plugin command line option on the application start-up as follows:

Notice
For the correct result, the screen resolution must be specified on the application start-up, and it must be the same as the one set in the *.ol file.
Shell commands
main_x64d -extern_plugin AppEasyBlend -calibration_file "my.ol" -video_mode -1 -video_width 1024 -video_height 768

Here:

  • calibration_file option specifies a path (absolute) to an *.ol calibration file that stores projection settings.

If you run the application via UNIGINE SDK Browser, specify the command-line options given above in the Customize Run Options form.

Notice

It is not possible to use AppEasyBlend with:

Compiling AppEasyBlend#

Plugin compilation is required if you change its source code (for example, add new API functions).

ScalableSDK is required for recompiling the AppEasyBlend plugin:

  1. Get the ScalableSDK and the DirectX SDK.
  2. Set the path to the <ScalableSDK> folder in the SCALABLESDK environment variable. The DXSDK_DIR environment variable will be automatically created on DirectX SDK installation.
    Shell commands
    set SCALABLESDK=<ScalableSDK>
  3. Compile the plugin in one of the following ways:
    • By using the build script:
      Shell commands
      C:\UnigineSDK\source>build.py --plugin AppEasyBlend
    • Via Microsoft Visual Studio: go to the <UnigineSDK>\source\plugins\App\AppEasyBlend, open the appeasyblend_vs2015.vcxproj project and build it.
Last update: 2020-04-10
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