FGFS-4.1/OpenSceneGraph
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Added support for seperate traversal masks for standard, left and right

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cull traversals.  This allows one to create seperate rendering for left
and right eyes when doing stereo.
This commit is contained in:
Robert Osfield
2002-03-03 22:31:46 +00:00
parent 9727d8ff06
commit a6aa57a255
2 changed files with 30 additions and 1 deletions
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14
include/osgUtil/SceneView
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@@ -140,6 +140,17 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
void setLODBias(float bias) { _lodBias = bias; }
float getLODBias() const { return _lodBias; }
void setCullMask(const osg::Node::NodeMask nm) { _cullMask = nm; }
const osg::Node::NodeMask getCullMask() const { return _cullMask; }
void setCullMaskLeft(const osg::Node::NodeMask nm) { _cullMaskLeft = nm; }
const osg::Node::NodeMask getCullMaskLeft() const { return _cullMaskLeft; }
void setCullMaskRight(const osg::Node::NodeMask nm) { _cullMaskRight = nm; }
const osg::Node::NodeMask getCullMaskRight() const { return _cullMaskRight; }
/** Set to true if you want SceneView to automatically calculate values
for the near/far clipping planes, each frame, set false to use camera's
internal near and far planes. Default value is true.
@@ -228,15 +239,18 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
bool _initCalled;
osg::ref_ptr<osg::NodeVisitor> _initVisitor;
osg::ref_ptr<osg::NodeVisitor> _appVisitor;
osg::Node::NodeMask _cullMask;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitor;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraph;
osg::ref_ptr<osgUtil::RenderStage> _renderStage;
osg::Node::NodeMask _cullMaskLeft;
osg::ref_ptr<osg::Camera> _cameraLeft;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitorLeft;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraphLeft;
osg::ref_ptr<osgUtil::RenderStage> _renderStageLeft;
osg::Node::NodeMask _cullMaskRight;
osg::ref_ptr<osg::Camera> _cameraRight;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitorRight;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraphRight;

17
src/osgUtil/SceneView.cpp
View File

@@ -7,6 +7,7 @@
#include <osg/AlphaFunc>
#include <osg/TexEnv>
#include <osg/ColorMatrix>
#include <osg/LightModel>
#include <osg/GLU>
@@ -34,6 +35,10 @@ SceneView::SceneView(DisplaySettings* ds)
_initCalled = false;
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskLeft = 0xffffffff;
}
@@ -97,8 +102,15 @@ void SceneView::setDefaults()
texenv->setMode(osg::TexEnv::MODULATE);
_globalState->setAttributeAndModes(texenv, osg::StateAttribute::ON);
osg::LightModel* lightmodel = new osg::LightModel;
lightmodel->setAmbientIntensity(osg::Vec4(0.0f,0.0f,0.0f,1.0f));
_globalState->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);
_backgroundColor.set(0.2f, 0.2f, 0.4f, 1.0f);
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskLeft = 0xffffffff;
}
void SceneView::init()
@@ -166,13 +178,16 @@ void SceneView::cull()
if (!_rendergraphRight.valid()) _rendergraphRight = dynamic_cast<RenderGraph*>(_rendergraph->cloneType());
if (!_renderStageRight.valid()) _renderStageRight = dynamic_cast<RenderStage*>(_renderStage->cloneType());
_cullVisitorLeft->setTraversalMask(_cullMaskLeft);
cullStage(_cameraLeft.get(),_cullVisitorLeft.get(),_rendergraphLeft.get(),_renderStageLeft.get());
_cullVisitorRight->setTraversalMask(_cullMaskRight);
cullStage(_cameraRight.get(),_cullVisitorRight.get(),_rendergraphRight.get(),_renderStageRight.get());
}
else
{
_cullVisitor->setTraversalMask(_cullMask);
cullStage(_camera.get(),_cullVisitor.get(),_rendergraph.get(),_renderStage.get());
}