86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/**********************************************************************
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*
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* FILE: FragmentProgram.cpp
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*
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* DESCRIPTION: Read/Write osg::FragmentProgram in binary format to disk.
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*
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* CREATED BY: rpk@blue-newt.com
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*
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* HISTORY: Created 04/20/2004
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*
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* Copyright 2004 Blue Newt Software
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**********************************************************************/
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#include "Exception.h"
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#include "FragmentProgram.h"
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#include "Object.h"
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using namespace ive;
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void FragmentProgram::write( DataOutputStream* out )
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{
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// Write FragmentProgram identification.
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out->writeInt( IVEFRAGMENTPROGRAM );
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// If the osg class is inherited by any other class we should
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// also write this to file.
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osg::Object* obj = dynamic_cast<osg::Object*>(this);
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if( obj )
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{
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( ( ive::Object* )( obj ) )->write( out );
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}
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else
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{
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out_THROW_EXCEPTION("Material::write(): Could not cast this osg::FragmentProgram to an osg::Object.");
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}
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// Write FragmentProgram properties.
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FragmentProgram::LocalParamList lpl = getLocalParameters();
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out->writeInt(lpl.size());
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for(FragmentProgram::LocalParamList::iterator i=lpl.begin(); i!=lpl.end(); ++i)
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{
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out->writeInt(i->first);
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out->writeVec4(i->second);
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}
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// Write program.
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out->writeString( this->getFragmentProgram() );
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}
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void FragmentProgram::read(DataInputStream* in){
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// Read FragmentProgram identification.
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int id = in->peekInt();
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if( id == IVEFRAGMENTPROGRAM )
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{
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// Code to read FragmentProgram properties.
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id = in->readInt();
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// handle Object data
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osg::Object* obj = dynamic_cast<osg::Object*>(this);
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if( obj )
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{
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( ( ive::Object* )( obj ) )->read( in );
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}
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else
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{
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in_THROW_EXCEPTION( "Material::read(): Could not cast this osg::FragmentProgram to an osg::Object." );
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}
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// Read data
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int i, size;
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size = in->readInt();
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for(i=0; i<size; i++)
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{
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int index = in->readInt();
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osg::Vec4 v = in->readVec4();
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this->setProgramLocalParameter( index, v );
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}
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std::string fp = in->readString();
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this->setFragmentProgram( fp );
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}
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else
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{
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in_THROW_EXCEPTION("FragmentProgram::read(): Expected FragmentProgram identification.");
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}
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}
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