FGFS-4.1/OpenSceneGraph
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Added calling of releaseGLObjects() and resizeGLObjects() to the Camera DrawCallback's to enable the draw callbacks to clean up their own GL objects.

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This commit is contained in:
Robert Osfield
2019-01-19 16:16:53 +00:00
parent 2e68db5b55
commit 6455159757
2 changed files with 32 additions and 14 deletions
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21
include/osg/Camera
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@@ -599,12 +599,12 @@ class OSG_EXPORT Camera : public Transform, public CullSettings
Callback(org, copyop) {}
META_Object(osg, DrawCallback);
/** Functor method called by rendering thread to recursively launch operator() on _nestedcallback **/
inline void run(osg::RenderInfo& renderInfo) const
{
operator () (renderInfo);
if (_nestedCallback.valid())
((const DrawCallback*)_nestedCallback.get())->run(renderInfo);
}
@@ -614,6 +614,23 @@ class OSG_EXPORT Camera : public Transform, public CullSettings
/** Functor method, provided for backwards compatibility, called by operator() (osg::RenderInfo& renderInfo) method.**/
virtual void operator () (const osg::Camera& /*camera*/) const {}
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize)
{
if (_nestedCallback.valid())
_nestedCallback->resizeGLObjectBuffers(maxSize);
}
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */
virtual void releaseGLObjects(osg::State* state = 0) const
{
if (_nestedCallback.valid())
_nestedCallback->releaseGLObjects(state);
}
};
/** Set the initial draw callback for custom operations to be done before the drawing of the camera's subgraph and pre render stages.*/