FGFS-4.1/OpenSceneGraph
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Added multi-buffering of the CameraNode::_renderingCache to help cope with multiple graphis context usages.

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Robert Osfield
2005-11-23 13:44:27 +00:00
parent b4fb878e1e
commit 74830f9ce1
5 changed files with 34 additions and 25 deletions
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17
include/osg/CameraNode
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@@ -22,6 +22,8 @@
#include <osg/Image>
#include <osg/GraphicsContext>
#include <OpenThreads/Mutex>
namespace osg {
/** CameraNode - is a subclass of Transform which represents encapsulates the settings of a Camera.
@@ -273,13 +275,13 @@ class OSG_EXPORT CameraNode : public Transform, public CullSettings
/** Set the Rendering object that is used to implement rendering of the subgraph.*/
void setRenderingCache(osg::Object* rc) { _renderingCache = rc; }
void setRenderingCache(unsigned int contextID, osg::Object* rc) { _renderingCache[contextID] = rc; }
/** Get the Rendering object that is used to implement rendering of the subgraph.*/
osg::Object* getRenderingCache() { return _renderingCache.get(); }
osg::Object* getRenderingCache(unsigned int contextID) { return _renderingCache[contextID].get(); }
/** Get the const Rendering object that is used to implement rendering of the subgraph.*/
const osg::Object* getRenderingCache() const { return _renderingCache.get(); }
const osg::Object* getRenderingCache(unsigned int contextID) const { return _renderingCache[contextID].get(); }
/** Draw callback for custom operations.*/
@@ -303,6 +305,7 @@ class OSG_EXPORT CameraNode : public Transform, public CullSettings
/** Get the const post draw callback.*/
const DrawCallback* getPostDrawCallback() const { return _postDrawCallback.get(); }
OpenThreads::Mutex& getDataChangeMutex() const { return _dataChangeMutex; }
public:
@@ -315,6 +318,8 @@ class OSG_EXPORT CameraNode : public Transform, public CullSettings
protected :
virtual ~CameraNode();
mutable OpenThreads::Mutex _dataChangeMutex;
Vec4 _clearColor;
GLbitfield _clearMask;
@@ -334,10 +339,10 @@ class OSG_EXPORT CameraNode : public Transform, public CullSettings
RenderTargetImplementation _renderTargetFallback;
BufferAttachmentMap _bufferAttachmentMap;
ref_ptr<GraphicsContext> _graphicsContext;
ref_ptr<Object> _renderingCache;
ref_ptr<GraphicsContext> _graphicsContext;
buffered_object< ref_ptr<Object> > _renderingCache;
ref_ptr<DrawCallback> _postDrawCallback;
ref_ptr<DrawCallback> _postDrawCallback;
};
}