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FlightGear Headless: Difference between revisions
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→Proof of concept (patch): https://github.com/MegaMotion/FlightGear/commit/6a589d0b172fc708fd9812ebb3aeb268186865d0
m (→Proof of concept (patch): https://github.com/MegaMotion/FlightGear/commit/6a589d0b172fc708fd9812ebb3aeb268186865d0) |
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== Proof of concept (patch) == | == Proof of concept (patch) == | ||
{{Note|This will not actually disable rendering, but merely hide the window by rendering to a pbuffer (FBO)}} | {{Note|This will not actually disable rendering, but merely hide the window by rendering to a pbuffer (FBO). For the git repo, see [https://github.com/MegaMotion/FlightGear/commit/6a589d0b172fc708fd9812ebb3aeb268186865d0]}} | ||
The main camera is created in CameraGroup::buildCamera and a pbuffer is allocated when you set osg::GraphicContext::Traits.pbuffer to true. These traits are available in buildCamera because we set width and height there. For debugging purpose, you can add a line like | The main camera is created in CameraGroup::buildCamera and a pbuffer is allocated when you set osg::GraphicContext::Traits.pbuffer to true. These traits are available in buildCamera because we set width and height there. For debugging purpose, you can add a line like | ||
<syntaxhighlight lang="cpp">window->gc->getTraits()->pbuffer=true; | <syntaxhighlight lang="cpp">window->gc->getTraits()->pbuffer=true; | ||