Use MPxLocatorNode legacy fixed draw code and selection in Viewport 2.0
It is possible to reuse Viewport 1 rendering and picking when using the Viewport 2.0 renderer for plug-in locators. However, this should only be considered a temporary solution to allow for an incremental migration to Viewport 2.0. The final aim should be to re-implement rendering using a geometry or subscene override for proper integration.
Requirements and limitations
- You must run Viewport 2.0 in
OpenGL - Core Profile (Compatibility) or
OpenGL - Legacy mode
- OpenGL - Core Profile (strict) mode is not supported, as it does not allow a fixed function pipeline to be run.
- DirectX 11 mode is not supported.
- OpenGL state may not be set up in the same way as the Legacy Default Viewport. Legacy
draw code should be careful not to make assumptions about the initial state.
- It is the responsibility of the legacy draw code to set up fixed function state such as lighting, and so forth.
- It is the responsibility of the legacy draw code to ensure that it does not corrupt any OpenGL state.
- There is no guarantee of equivalent performance when compared to:
- Legacy viewport drawing
- A geometry/subscene override implementation for Viewport 2.0
- Optimizations from Viewport 2.0 are not supported (for example, consolidation).
- Not all selection options may be supported.
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