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Added LEFT_EYE and RIGHT_EYE stereo to osg::DisplaySettings/osgUtil::SceneView

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Renamed LODBias to LODScale.
This commit is contained in:
Robert Osfield
2002-11-12 10:22:38 +00:00
parent 6d1ba6c0f4
commit 8e84722f90
15 changed files with 180 additions and 104 deletions
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10
src/osg/CollectOccludersVisitor.cpp
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@@ -32,19 +32,19 @@ void CollectOccludersVisitor::reset()
CullStack::reset();
}
float CollectOccludersVisitor::getDistanceToEyePoint(const Vec3& pos, bool withLODBias) const
float CollectOccludersVisitor::getDistanceToEyePoint(const Vec3& pos, bool withLODScale) const
{
if (withLODBias) return (pos-getEyeLocal()).length()*getLODBias();
if (withLODScale) return (pos-getEyeLocal()).length()*getLODScale();
else return (pos-getEyeLocal()).length();
}
float CollectOccludersVisitor::getDistanceFromEyePoint(const Vec3& pos, bool withLODBias) const
float CollectOccludersVisitor::getDistanceFromEyePoint(const Vec3& pos, bool withLODScale) const
{
const Matrix& matrix = *_modelviewStack.back();
float dist = -(pos[0]*matrix(0,2)+pos[1]*matrix(1,2)+pos[2]*matrix(2,2)+matrix(3,2));
if (withLODBias) return dist*getLODBias();
else return dist*getLODBias();
if (withLODScale) return dist*getLODScale();
else return dist*getLODScale();
}
void CollectOccludersVisitor::apply(osg::Node& node)

2
src/osg/CullStack.cpp
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@@ -5,7 +5,7 @@ using namespace osg;
CullStack::CullStack()
{
_cullingMode = ENABLE_ALL_CULLING;
_LODBias = 1.0f;
_LODScale = 1.0f;
_smallFeatureCullingPixelSize = 2.0f;
_frustumVolume=-1.0f;
_bbCornerNear = 0;

12
src/osg/DisplaySettings.cpp
View File

@@ -129,6 +129,16 @@ void DisplaySettings::readEnvironmentalVariables()
{
_stereoMode = VERTICAL_SPLIT;
}
else
if (strcmp(ptr,"LEFT_EYE")==0)
{
_stereoMode = LEFT_EYE;
}
else
if (strcmp(ptr,"RIGHT_EYE")==0)
{
_stereoMode = RIGHT_EYE;
}
}
if( (ptr = getenv("OSG_STEREO")) != 0)
@@ -230,6 +240,8 @@ void DisplaySettings::readCommandLine(std::vector<std::string>& commandLine)
else if (*itr=="QUAD_BUFFER") { _stereo = true;_stereoMode = QUAD_BUFFER; ++itr; }
else if (*itr=="HORIZONTAL_SPLIT") { _stereo = true;_stereoMode = HORIZONTAL_SPLIT; ++itr; }
else if (*itr=="VERTICAL_SPLIT") { _stereo = true;_stereoMode = VERTICAL_SPLIT; ++itr; }
else if (*itr=="LEFT_EYE") { _stereo = true;_stereoMode = LEFT_EYE; ++itr; }
else if (*itr=="RIGHT_EYE") { _stereo = true;_stereoMode = RIGHT_EYE; ++itr; }
else if (*itr=="ON") { _stereo = true; ++itr; }
else if (*itr=="OFF") { _stereo = false; ++itr; }
}