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From Adrian Egli, improvements to ParallelSplitShadowMap implementation

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This commit is contained in:
Robert Osfield
2008-05-28 14:11:22 +00:00
parent 8e91926ca5
commit 1047f970bb
3 changed files with 348 additions and 306 deletions
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20
examples/osgshadow/osgshadow.cpp
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@@ -502,10 +502,8 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->addCommandLineOption("--minNearSplit", "ParallelSplitShadowMap shadow map near offset.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--maxFarDist", "ParallelSplitShadowMap max far distance to shadow.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--moveVCamFactor", "ParallelSplitShadowMap move the virtual frustum behind the real camera, (also back ground object can cast shadow).");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--NVidia", "ParallelSplitShadowMap set default PolygonOffset for NVidia.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--PolyOffset-Factor", "ParallelSplitShadowMap set PolygonOffset factor.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--PolyOffset-Unit", "ParallelSplitShadowMap set PolygonOffset unit.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--CullFaceFront", "ParallelSplitShadowMap add a cull face: front.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("-1", "Use test model one.");
@@ -626,20 +624,12 @@ int main(int argc, char** argv)
}
double polyoffsetfactor = -0.02;
double polyoffsetunit = 1.0;
double polyoffsetfactor = pssm->getPolygonOffset().x();
double polyoffsetunit = pssm->getPolygonOffset().y();
while (arguments.read("--PolyOffset-Factor", polyoffsetfactor));
while (arguments.read("--PolyOffset-Unit", polyoffsetunit));
pssm->setPolygonOffset(osg::Vec2(polyoffsetfactor,polyoffsetunit)); //ATI Radeon
if (arguments.read("--NVidia")){
//pssm->setPolygonOffset(osg::Vec2(-0.02,1.0)); //ATI Radeon
pssm->setPolygonOffset(osg::Vec2(10.0f,20.0f)); //NVidia
}
if ( arguments.read("--CullFaceFront") ) {
pssm->forceFrontCullFace();
}
pssm->setPolygonOffset(osg::Vec2(polyoffsetfactor,polyoffsetunit));
shadowedScene->setShadowTechnique(pssm.get());
}
@@ -761,7 +751,7 @@ int main(int argc, char** argv)
// osgDB::writeNodeFile(*group,"test.osg");
while (!viewer.done())
{
if (updateLightPosition)