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This commit is contained in:
Robert Osfield
2012-03-21 17:36:20 +00:00
parent 1e35f8975d
commit 14a563dc9f
1495 changed files with 21873 additions and 21873 deletions
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68
src/osg/CullStack.cpp
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@@ -1,13 +1,13 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/CullStack>
@@ -28,7 +28,7 @@ CullStack::CullStack()
_index_modelviewCullingStack = 0;
_back_modelviewCullingStack = 0;
_referenceViewPoints.push_back(osg::Vec3(0.0f,0.0f,0.0f));
}
@@ -43,7 +43,7 @@ CullStack::CullStack(const CullStack& cs):
_index_modelviewCullingStack = 0;
_back_modelviewCullingStack = 0;
_referenceViewPoints.push_back(osg::Vec3(0.0f,0.0f,0.0f));
}
@@ -65,7 +65,7 @@ void CullStack::reset()
_referenceViewPoints.clear();
_referenceViewPoints.push_back(osg::Vec3(0.0f,0.0f,0.0f));
_eyePointStack.clear();
_viewPointStack.clear();
@@ -78,13 +78,13 @@ void CullStack::reset()
_back_modelviewCullingStack = 0;
osg::Vec3 lookVector(0.0,0.0,-1.0);
_bbCornerFar = (lookVector.x()>=0?1:0) |
(lookVector.y()>=0?2:0) |
(lookVector.z()>=0?4:0);
_bbCornerNear = (~_bbCornerFar)&7;
_currentReuseMatrixIndex=0;
}
@@ -93,31 +93,31 @@ void CullStack::pushCullingSet()
{
_MVPW_Stack.push_back(0L);
if (_index_modelviewCullingStack==0)
if (_index_modelviewCullingStack==0)
{
if (_modelviewCullingStack.empty())
_modelviewCullingStack.push_back(CullingSet());
_modelviewCullingStack[_index_modelviewCullingStack++].set(_projectionCullingStack.back());
}
else
else
{
const osg::Viewport& W = *_viewportStack.back();
const osg::Matrix& P = *_projectionStack.back();
const osg::Matrix& M = *_modelviewStack.back();
osg::Vec4 pixelSizeVector = CullingSet::computePixelSizeVector(W,P,M);
if (_index_modelviewCullingStack>=_modelviewCullingStack.size())
if (_index_modelviewCullingStack>=_modelviewCullingStack.size())
{
_modelviewCullingStack.push_back(CullingSet());
}
_modelviewCullingStack[_index_modelviewCullingStack++].set(_projectionCullingStack.back(),*_modelviewStack.back(),pixelSizeVector);
}
_back_modelviewCullingStack = &_modelviewCullingStack[_index_modelviewCullingStack-1];
// const osg::Polytope& polytope = _modelviewCullingStack.back()->getFrustum();
@@ -136,7 +136,7 @@ void CullStack::pushCullingSet()
void CullStack::popCullingSet()
{
_MVPW_Stack.pop_back();
--_index_modelviewCullingStack;
if (_index_modelviewCullingStack>0) _back_modelviewCullingStack = &_modelviewCullingStack[_index_modelviewCullingStack-1];
@@ -157,20 +157,20 @@ void CullStack::popViewport()
void CullStack::pushProjectionMatrix(RefMatrix* matrix)
{
_projectionStack.push_back(matrix);
_projectionCullingStack.push_back(osg::CullingSet());
osg::CullingSet& cullingSet = _projectionCullingStack.back();
// set up view frustum.
cullingSet.getFrustum().setToUnitFrustum(((_cullingMode&NEAR_PLANE_CULLING)!=0),((_cullingMode&FAR_PLANE_CULLING)!=0));
cullingSet.getFrustum().transformProvidingInverse(*matrix);
// set the culling mask ( There should be a more elegant way!) Nikolaus H.
cullingSet.setCullingMask(_cullingMode);
// set the small feature culling.
cullingSet.setSmallFeatureCullingPixelSize(_smallFeatureCullingPixelSize);
// set up the relevant occluders which a related to this projection.
for(ShadowVolumeOccluderList::iterator itr=_occluderList.begin();
itr!=_occluderList.end();
@@ -183,8 +183,8 @@ void CullStack::pushProjectionMatrix(RefMatrix* matrix)
cullingSet.addOccluder(*itr);
}
}
// need to recompute frustum volume.
_frustumVolume = -1.0f;
@@ -210,13 +210,13 @@ void CullStack::pushModelViewMatrix(RefMatrix* matrix, Transform::ReferenceFrame
osg::RefMatrix* originalModelView = _modelviewStack.empty() ? 0 : _modelviewStack.back().get();
_modelviewStack.push_back(matrix);
pushCullingSet();
osg::Matrix inv;
inv.invert(*matrix);
switch(referenceFrame)
{
case(Transform::RELATIVE_RF):
@@ -232,7 +232,7 @@ void CullStack::pushModelViewMatrix(RefMatrix* matrix, Transform::ReferenceFrame
case(Transform::ABSOLUTE_RF_INHERIT_VIEWPOINT):
{
_eyePointStack.push_back(inv.getTrans());
osg::Vec3 referenceViewPoint = getReferenceViewPoint();
if (originalModelView)
{
@@ -249,20 +249,20 @@ void CullStack::pushModelViewMatrix(RefMatrix* matrix, Transform::ReferenceFrame
}
osg::Vec3 lookVector = getLookVectorLocal();
osg::Vec3 lookVector = getLookVectorLocal();
_bbCornerFar = (lookVector.x()>=0?1:0) |
(lookVector.y()>=0?2:0) |
(lookVector.z()>=0?4:0);
_bbCornerNear = (~_bbCornerFar)&7;
}
void CullStack::popModelViewMatrix()
{
_modelviewStack.pop_back();
_eyePointStack.pop_back();
_referenceViewPoints.pop_back();
_viewPointStack.pop_back();
@@ -299,5 +299,5 @@ void CullStack::computeFrustumVolume()
_frustumVolume = computeVolume(f1,f2,f3,b1,b2,b3)+
computeVolume(f2,f3,f4,b1,b3,b4);
}