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The '''Compositor''' aims to bring multi-pass rendering to FlightGear. It encapsulates a rendering pipeline and exposes its parameters to the [[Property Tree]]. | The '''Compositor''' aims to bring multi-pass rendering to FlightGear. It encapsulates a rendering pipeline and exposes its parameters to the [[Property Tree]]. | ||
The pipeline used on each physical viewport defined on the [[Howto:Configure camera view windows|CameraGroup settings]] can be changed via a <code><compositor/></code> tag containing a valid path to the Compositor XML file (using the [[PropertyList XML File]] format). | The pipeline used on each physical viewport defined on the [[Howto:Configure camera view windows|CameraGroup settings]] can be changed via a <code><compositor/></code> tag containing a valid path to the Compositor XML file (using the [[PropertyList XML File]] format). If no Compositor file is specified for a physical camera, the one given by the <code>--compositor</code> startup command will be used. If such startup option is not used either, FlightGear will look for a valid Compositor file in $FG_ROOT/Compositor/default.xml | ||
The Compositor introduces a new dedicated fgdata directory for new/custom rendering pipelines: $FG_ROOT/Compositor. | The Compositor introduces a new dedicated fgdata directory for new/custom rendering pipelines: $FG_ROOT/Compositor. | ||
== Background == | == Background == | ||
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* Setting a buffer scale factor different from 1.0 and rendering to it might not scale the splash screen correctly. | * Setting a buffer scale factor different from 1.0 and rendering to it might not scale the splash screen correctly. | ||
* computeIntersections() always uses pass 0, which might fail. The scene pass should be used (which one if there are several?). | * computeIntersections() always uses pass 0, which might fail. The scene pass should be used (which one if there are several?). | ||
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