void deIndexPrimitiveT( Primitive * p )
{
Buffer::DataReadLock indexBuffer( p->getIndexSet()->getBuffer() );
VertexAttributeSetSharedPtr const& vas = p->getVertexAttributeSet();
unsigned int nov = vas->getNumberOfVertices();
unsigned int noi = p->getIndexSet()->getNumberOfIndices();
if ( ( nov != noi )
|| ! checkFlat( (const T *)indexBuffer.getPtr(), noi )
|| ! checkTrivial( (const T *)indexBuffer.getPtr(), noi ) )
{
VertexAttributeSetSharedPtr newVASH = VertexAttributeSet::create();
for ( unsigned int i=0 ; i<VertexAttributeSet::DP_SG_VERTEX_ATTRIB_COUNT ; i++ )
{
if ( vas->getSizeOfVertexData(i) )
{
Buffer::DataReadLock indexBufferLock( p->getIndexSet()->getBuffer() );
const T * idxPtr = indexBufferLock.getPtr<T>();
dp::DataType type = vas->getTypeOfVertexData(i);
unsigned int size = dp::checked_cast<unsigned int>(vas->getSizeOfVertexData(i) * dp::getSizeOf( type ));
unsigned int stride = vas->getStrideOfVertexData(i);
DP_ASSERT( size <= stride );
unsigned int numIndices = p->getIndexSet()->getNumberOfIndices();
BufferHostSharedPtr newVertexBuffer = BufferHost::create();
newVertexBuffer->setSize( numIndices * size );
{
Buffer::DataReadLock oldBufferLock( vas->getVertexData( i ) );
const unsigned char * oldBuffPtr = oldBufferLock.getPtr<unsigned char>();
Buffer::DataWriteLock newBufferLock( newVertexBuffer, Buffer::MAP_WRITE );
unsigned char * newBuffPtr = newBufferLock.getPtr<unsigned char>();
for ( unsigned int idx=0 ; idx < numIndices ; idx++ )
{
memcpy( newBuffPtr, oldBuffPtr + stride * idxPtr[idx], size );
newBuffPtr += size;
}
}
newVASH->setVertexData( i, vas->getSizeOfVertexData(i), type, newVertexBuffer, 0, stride, numIndices );
// inherit enable states from source attrib
// normalize-enable state only meaningful for generic aliases!
newVASH->setEnabled(i, vas->isEnabled(i)); // conventional
newVASH->setEnabled(i+16, vas->isEnabled(i+16)); // generic
newVASH->setNormalizeEnabled(i+16, vas->isNormalizeEnabled(i+16)); // only generic
}
}
p->setVertexAttributeSet( newVASH );
}
}
void copySelectedVertices( const VertexAttributeSetSharedPtr & from, const VertexAttributeSetSharedPtr & to
, std::vector<std::vector<unsigned int> > &indices )
{
// indexMap below is intended to hold vertex indices, which should not exceed 32-bit precision by definition!
std::vector<unsigned int> indexMap( from->getNumberOfVertices(), ~0 );
std::vector<unsigned int> iFrom; iFrom.reserve(from->getNumberOfVertices());
for ( size_t i=0 ; i<indices.size() ; i++ )
{
for ( size_t j=0 ; j<indices[i].size() ; j++ )
{
if ( indexMap[indices[i][j]] == ~0 )
{
indexMap[indices[i][j]] = dp::checked_cast<unsigned int>(iFrom.size());
iFrom.push_back(indices[i][j]);
}
}
}
for ( unsigned int slot=0 ; slot<static_cast<unsigned int>(VertexAttributeSet::AttributeID::VERTEX_ATTRIB_COUNT) ; slot++ )
{
VertexAttributeSet::AttributeID id = static_cast<VertexAttributeSet::AttributeID>(slot);
if ( from->getSizeOfVertexData( id ) )
{
BufferSharedPtr oldData = from->getVertexBuffer(id);
Buffer::DataReadLock lock( oldData );
unsigned int size = from->getSizeOfVertexData( id );
dp::DataType type = from->getTypeOfVertexData( id );
to->setVertexData( id, NULL, &iFrom[0], size, type, lock.getPtr()
, from->getStrideOfVertexData( id )
, dp::checked_cast<unsigned int>(iFrom.size()) );
// inherit enable states from source id
// normalize-enable state only meaningful for generic aliases!
to->setEnabled(id, from->isEnabled(id)); // conventional
id = static_cast<VertexAttributeSet::AttributeID>(slot+16); // generic
to->setEnabled(id, from->isEnabled(id));
to->setNormalizeEnabled(id, from->isNormalizeEnabled(id));
}
}
for ( size_t i=0 ; i<indices.size() ; i++ )
{
for ( size_t j=0 ; j<indices[i].size() ; j++ )
{
indices[i][j] = indexMap[indices[i][j]];
}
}
}
void copy( VertexAttributeSetSharedPtr const& src, VertexAttributeSetSharedPtr const& dst )
{
if ( src != dst )
{
dst->setName( src->getName() );
dst->setAnnotation( src->getAnnotation() );
dst->setHints( src->getHints() );
dst->setUserData( src->getUserData() );
for ( unsigned int i=0 ; i<2*static_cast<unsigned int>(VertexAttributeSet::AttributeID::VERTEX_ATTRIB_COUNT) ; ++i )
{
VertexAttributeSet::AttributeID id = static_cast<VertexAttributeSet::AttributeID>(i);
if ( src->getSizeOfVertexData( id ) )
{
DP_ASSERT( ( src->getOffsetOfVertexData( id ) == 0 ) && src->isContiguousVertexData( id ) );
dst->setVertexData( id, src->getSizeOfVertexData( id ), src->getTypeOfVertexData( id )
, src->getVertexBuffer( id ), src->getOffsetOfVertexData( id )
, src->getStrideOfVertexData( id ), src->getNumberOfVertexData( id ) );
dst->setEnabled( id, src->isEnabled( id ) );
if ( id >= VertexAttributeSet::AttributeID::VERTEX_ATTRIB_COUNT )
{
dst->setNormalizeEnabled( id, src->isNormalizeEnabled( id ) );
}
}
}
}
}
void UnifyTraverser::handleVertexAttributeSet( VertexAttributeSet * p )
{
pair<set<const void *>::iterator,bool> pitb = m_objects.insert( p );
if ( pitb.second )
{
OptimizeTraverser::handleVertexAttributeSet( p );
// Check if optimization is allowed
if ( optimizationAllowed( p->getSharedPtr<VertexAttributeSet>() ) && (m_unifyTargets & UT_VERTICES) )
{
VertexAttributeSetSharedPtr vas = p->getSharedPtr<VertexAttributeSet>();
unsigned int n = p->getNumberOfVertices();
// handle VAS with more than one vertex only
if ( 1 < n )
{
// ***************************************************************
// the algorithm currently only works for float-typed vertex data!
// ***************************************************************
for ( unsigned int i=0 ; i<VertexAttributeSet::DP_SG_VERTEX_ATTRIB_COUNT ; i++ )
{
unsigned int type = p->getTypeOfVertexData(i);
if ( type != dp::DT_UNKNOWN // no data is ok!
&& type != dp::DT_FLOAT_32 )
{
DP_ASSERT( !"This algorithm currently only works for float-typed vertex data!" );
return;
}
}
// ***************************************************************
// ***************************************************************
// count the dimension of the VertexAttributeSet
unsigned int dimension = 0;
for ( unsigned int i=0 ; i<VertexAttributeSet::DP_SG_VERTEX_ATTRIB_COUNT ; i++ )
{
if ( p->getNumberOfVertexData( i ) )
{
dimension += p->getSizeOfVertexData( i );
}
}
vector<float> valueDataIn( n * dimension );
vector<float*> valuesIn( n );
for ( size_t i=0, j=0 ; i<valuesIn.size() ; i++, j+=dimension )
{
valuesIn[i] = &valueDataIn[j];
}
// fill valuesIn with the vertex attribute data
for ( unsigned int i=0, j=0 ; i<VertexAttributeSet::DP_SG_VERTEX_ATTRIB_COUNT ; i++ )
{
if ( p->getNumberOfVertexData( i ) != 0 )
{
unsigned int dim = p->getSizeOfVertexData( i );
Buffer::ConstIterator<float>::Type vad = p->getVertexData<float>( i );
for ( unsigned int k=0 ; k<n ; k++ )
{
const float *value = &vad[k];
for ( unsigned int l=0 ; l<dim ; l++ )
{
valuesIn[k][j+l] = value[l];
}
}
j += dim;
}
}
VUTOctreeNode * octree = new VUTOctreeNode();
octree->init( boundingBox<3, float, Buffer::ConstIterator<Vec3f>::Type >( p->getVertices(), p->getNumberOfVertices() )
, std::max( (unsigned int)32, (unsigned int)pow( p->getNumberOfVertices(), 0.25 ) ) );
unsigned int count = dp::checked_cast<unsigned int>(valuesIn.size());
for ( unsigned int i=0 ; i<count ; i++ )
{
octree->addVertex( valuesIn, i, dimension, m_epsilon );
}
unsigned int pointCount = octree->getNumberOfPoints();
// if there are less points only
if ( pointCount < n )
{
// initialize the index mapping to undefined
vector<unsigned int> indexMap( n );
for ( unsigned int i=0 ; i<n ; i++ )
{
indexMap[i] = ~0;
}
// create the vector of vertex attribute valuesIn
vector<float> valueDataOut( pointCount * dimension );
vector<float*> valuesOut( pointCount );
for ( size_t i=0, j=0 ; i<valuesOut.size() ; i++, j+=dimension )
{
valuesOut[i] = &valueDataOut[j];
}
// fill valuesOut and the indexMap
unsigned int index = 0;
octree->mapValues( valuesIn, valuesOut, dimension, indexMap, index );
delete octree;
// create a new VertexAttributeSet with the condensed data
VertexAttributeSetSharedPtr newVAS = VertexAttributeSet::create();
for ( unsigned int i=0, j=0 ; i<VertexAttributeSet::DP_SG_VERTEX_ATTRIB_COUNT ; i++ )
{
if ( p->getNumberOfVertexData( i ) )
{
unsigned int dim = p->getSizeOfVertexData( i );
vector<float> vad( dim * valuesOut.size() );
for ( size_t k=0 ; k<valuesOut.size() ; k++ )
{
for ( unsigned int l=0 ; l<dim ; l++ )
{
vad[dim*k+l] = valuesOut[k][j+l];
}
}
newVAS->setVertexData( i, dim, dp::DT_FLOAT_32, &vad[0], 0, dp::checked_cast<unsigned int>(vad.size()/dim) );
// inherit enable states from source attrib
// normalize-enable state only meaningful for generic aliases!
newVAS->setEnabled(i, p->isEnabled(i)); // conventional
newVAS->setEnabled(i+16, p->isEnabled(i+16)); // generic
newVAS->setNormalizeEnabled(i+16, p->isNormalizeEnabled(i+16)); // generic only!
j += dim;
}
}
DP_ASSERT( m_vasReplacements.find( vas ) == m_vasReplacements.end() );
m_vasReplacements[vas] = VASReplacement( newVAS, indexMap );
}
else
{
delete octree;
}
}
}
}
}