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Add arguments, command line usage and use DrawElementsUInt for classic case

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This commit is contained in:
Julien Valentin 2017-07-31 03:08:52 +02:00
parent aac146c7bc
commit 3537460b0e
1 changed files with 25 additions and 13 deletions
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38
examples/osgsimpleMDI/osgsimpleMDI.cpp
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@ -38,7 +38,7 @@
#include <osg/Shader>
#include <osg/BlendFunc>
#include <osg/Notify>
#include <iostream>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
@ -49,13 +49,29 @@
///////////////////////////////////////////////////////////////////////////
#define MAXX 100
#define MAXY 100
//#define VIAINTERFACE 1
//#define MAXX 1000
//#define MAXY 1000
int main( int argc, char**argv )
{
osg::ArgumentParser arguments(&argc,argv);
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates Multi Indirect Draw with basevertex");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] ");
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
arguments.getApplicationUsage()->addCommandLineOption("--numX","square count on X");
arguments.getApplicationUsage()->addCommandLineOption("--numY","square count on Y");
arguments.getApplicationUsage()->addCommandLineOption("--classic","disable MDI and use classic DrawElements");
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
int MAXX=200;int MAXY=200;
arguments.read("--numX",MAXX);
arguments.read("--numY",MAXY);
bool MDIenable=true;
if(arguments.read("--classic"))
@ -87,13 +103,9 @@ int main( int argc, char**argv )
osg::Vec3(0.7f,0.0f,0.7f)
};
unsigned short myIndices[] =
{
0,
1,
3,
2
};
unsigned short myIndices[] = { 0, 1, 3, 2 };
unsigned int myIndicesUI[] = { 0, 1, 3, 2 };
osg::Vec3Array * verts=new osg::Vec3Array();
@ -120,8 +132,8 @@ int main( int argc, char**argv )
} else
for(int i=0; i<MAXY*MAXX; ++i) {
for(int z=0; z<4; z++)myIndices[z]+=4;
osg::DrawElementsUShort *dre=new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLE_STRIP,4,myIndices) ;
for(int z=0; z<4; z++)myIndicesUI[z]+=4;
osg::DrawElementsUInt *dre=new osg::DrawElementsUInt(osg::PrimitiveSet::TRIANGLE_STRIP,4,myIndicesUI) ;
dre->setElementBufferObject(ebo);
geom->addPrimitiveSet(dre);
}