FGFS-4.1/OpenSceneGraph
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Added support for scaling the projection in vertical and horizontal split stereo

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modes.
This commit is contained in:
Robert Osfield
2003-05-27 11:03:49 +00:00
parent 4a804ebf32
commit b444cc1ab3
4 changed files with 51 additions and 16 deletions
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36
src/osgUtil/SceneView.cpp
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@@ -297,11 +297,33 @@ void SceneView::cull()
if (!_renderStageRight.valid()) _renderStageRight = dynamic_cast<RenderStage*>(_renderStage->clone(osg::CopyOp::DEEP_COPY_ALL));
osg::Matrix projection_scale;
if (_displaySettings->getSplitStereoAutoAjustAspectRatio())
{
switch(_displaySettings->getStereoMode())
{
case(osg::DisplaySettings::HORIZONTAL_SPLIT):
projection_scale.makeScale(2.0f,1.0f,1.0f);
break;
case(osg::DisplaySettings::VERTICAL_SPLIT):
projection_scale.makeScale(1.0f,2.0f,1.0f);
break;
default:
break;
}
}
// set up the left eye.
osg::ref_ptr<osg::RefMatrix> projectionLeft = new osg::RefMatrix(osg::Matrix(1.0f,0.0f,0.0f,0.0f,
0.0f,1.0f,0.0f,0.0f,
iod/(2.0f*sd),0.0f,1.0f,0.0f,
0.0f,0.0f,0.0f,1.0f)*
projection_scale*
(*projection));
@@ -321,6 +343,7 @@ void SceneView::cull()
0.0f,1.0f,0.0f,0.0f,
-iod/(2.0f*sd),0.0f,1.0f,0.0f,
0.0f,0.0f,0.0f,1.0f)*
projection_scale*
(*projection));
osg::ref_ptr<osg::RefMatrix> modelviewRight = new osg::RefMatrix( (*modelview) *
@@ -329,19 +352,6 @@ void SceneView::cull()
0.0f,0.0f,1.0f,0.0f,
-es,0.0f,0.0f,1.0f));
switch(_displaySettings->getStereoMode())
{
case(osg::DisplaySettings::HORIZONTAL_SPLIT):
(*projectionLeft).postMult(osg::Matrix::scale(2.0f,1.0f,1.0f));
(*projectionRight).postMult(osg::Matrix::scale(2.0f,1.0f,1.0f));
break;
case(osg::DisplaySettings::VERTICAL_SPLIT):
(*projectionLeft).postMult(osg::Matrix::scale(1.0f,2.0f,1.0f));
(*projectionRight).postMult(osg::Matrix::scale(1.0f,2.0f,1.0f));
break;
default:
break;
}
_cullVisitorRight->setTraversalMask(_cullMaskRight);