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From Adrian Egli, further work on PSSM implementation.

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This commit is contained in:
Robert Osfield
2007-09-24 15:24:23 +00:00
parent a4f79e7a37
commit d11d5b819a
3 changed files with 143 additions and 31 deletions
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42
examples/osgshadow/osgshadow.cpp
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@@ -499,7 +499,14 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->addCommandLineOption("--mapcount", "ParallelSplitShadowMap texture count.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--mapres", "ParallelSplitShadowMap texture resolution.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--debug-color", "ParallelSplitShadowMap display debugging color (only the first 3 maps are color r=0,g=1,b=2.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--minNearSplit", "ParallelSplitShadowMap shadow map near offset.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--maxFarDist", "ParallelSplitShadowMap max far distance to shadow.");//ADEGLI
arguments.getApplicationUsage()->addCommandLineOption("--NVidea", "ParallelSplitShadowMap set default PolygonOffset for NVidea.");//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.");
arguments.getApplicationUsage()->addCommandLineOption("-2", "Use test model two.");
arguments.getApplicationUsage()->addCommandLineOption("-3", "Use test model three.");
@@ -625,13 +632,42 @@ int main(int argc, char** argv)
while (arguments.read("--mapcount", mapcount));
osg::ref_ptr<osgShadow::ParallelSplitShadowMap> pssm = new osgShadow::ParallelSplitShadowMap(NULL,mapcount);
unsigned int mapres = 1024;
while (arguments.read("--mapres", mapres));
pssm->setTextureResolution(mapres);
int mapres = 1024;
while (arguments.read("--mapres", mapres))
pssm->setTextureResolution(mapres);
while (arguments.read("--debug-color")) { pssm->setDebugColorOn(); }
int minNearSplit=0;
while (arguments.read("--minNearSplit", minNearSplit))
if ( minNearSplit > 0 ) {
pssm->setMinNearDistanceForSplits(minNearSplit);
std::cout << "ParallelSplitShadowMap : setMinNearDistanceForSplits(" << minNearSplit <<")" << std::endl;
}
int maxfardist = 0;
while (arguments.read("--maxFarDist", maxfardist))
if ( maxfardist > 0 ) {
pssm->setMaxFarDistance(maxfardist);
std::cout << "ParallelSplitShadowMap : setMaxFarDistance(" << maxfardist<<")" << std::endl;
}
double polyoffsetfactor = -0.02;
double polyoffsetunit = 1.0;
while (arguments.read("--PolyOffset-Factor", polyoffsetfactor));
while (arguments.read("--PolyOffset-Unit", polyoffsetunit));
pssm->setPolygonOffset(osg::Vec2(polyoffsetfactor,polyoffsetunit)); //ATI Radeon
if (arguments.read("--NVidea")){
//pssm->setPolygonOffset(osg::Vec2(-0.02,1.0)); //ATI Radeon
pssm->setPolygonOffset(osg::Vec2(10.0f,20.0f)); //NVidea
}
if ( arguments.read("--CullFaceFront") ) {
pssm->forceFrontCullFace();
}
shadowedScene->setShadowTechnique(pssm.get());
}
else if (arguments.read("--ssm"))