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// K-3D
// Copyright (c) 1995-2008, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Evan Lezar (evanlezar@gmail.com)
\date 14 July 2008
*/
#include "cuda_device_polyhedra.h"
inline void copy_from_host_to_device_uint_64_bit_check ( void* device_pointer, const void* host_pointer, int size_in_bytes )
{
#ifdef K3D_UINT_T_64_BITS
copy_from_host_to_device_64_to_32_convert (device_pointer, host_pointer, size_in_bytes );
#else
copy_from_host_to_device (device_pointer, host_pointer, size_in_bytes );
#endif
}
inline void copy_from_device_to_host_uint_64_bit_check ( void* host_pointer, const void* device_pointer, int size_in_bytes )
{
#ifdef K3D_UINT_T_64_BITS
copy_from_device_to_host_32_to_64_convert (host_pointer, device_pointer, size_in_bytes );
#else
copy_from_device_to_host (host_pointer, device_pointer, size_in_bytes );
#endif
}
/// Constructors
cuda_device_polyhedra::cuda_device_polyhedra ( ):
m_p_input_polyhedra(0)
{
pdev_per_polygon_first_face = 0;
pdev_per_polygon_face_count = 0;
pdev_per_polygon_types = 0;
m_number_of_polygons = 0;
pdev_per_face_first_loops = 0;
pdev_per_face_loop_count = 0;
pdev_per_face_selection = 0;
m_number_of_faces = 0;
pdev_per_loop_first_edge = 0;
m_number_of_loops = 0;
pdev_per_edge_point = 0;
pdev_per_edge_clockwise_edge = 0;
pdev_per_edge_selection = 0;
m_number_of_edges = 0;
}
cuda_device_polyhedra::cuda_device_polyhedra ( const k3d::mesh::polyhedra_t& host_polyhedra ):
m_p_input_polyhedra(&host_polyhedra)
{
pdev_per_polygon_first_face = 0;
pdev_per_polygon_face_count = 0;
pdev_per_polygon_types = 0;
pdev_per_face_first_loops = 0;
pdev_per_face_loop_count = 0;
pdev_per_face_selection = 0;
pdev_per_loop_first_edge = 0;
pdev_per_edge_point = 0;
pdev_per_edge_clockwise_edge = 0;
pdev_per_edge_selection = 0;
set_polyhedra( host_polyhedra );
}
/// Destructor - free the allocated device pointers
cuda_device_polyhedra::~cuda_device_polyhedra ()
{
//k3d::log() << debug << "~cuda_device_polyhedra" << std::endl;
free_device_memory((void*)pdev_per_polygon_first_face);
free_device_memory((void*)pdev_per_polygon_face_count);
free_device_memory((void*)pdev_per_polygon_types);
free_device_memory((void*)pdev_per_face_first_loops);
free_device_memory((void*)pdev_per_face_loop_count);
free_device_memory((void*)pdev_per_face_selection);
free_device_memory((void*)pdev_per_loop_first_edge);
free_device_memory((void*)pdev_per_edge_point);
free_device_memory((void*)pdev_per_edge_clockwise_edge);
free_device_memory((void*)pdev_per_edge_selection);
pdev_per_polygon_first_face = 0;
pdev_per_polygon_face_count = 0;
pdev_per_polygon_types = 0;
m_number_of_polygons = 0;
pdev_per_face_first_loops = 0;
pdev_per_face_loop_count = 0;
pdev_per_face_selection = 0;
m_number_of_faces = 0;
pdev_per_loop_first_edge = 0;
m_number_of_loops = 0;
pdev_per_edge_point = 0;
pdev_per_edge_clockwise_edge = 0;
pdev_per_edge_selection = 0;
m_number_of_edges = 0;
m_p_input_polyhedra = 0;
}
void cuda_device_polyhedra::set_polyhedra( const k3d::mesh::polyhedra_t& host_polyhedra )
{
m_p_input_polyhedra = &host_polyhedra;
try
{
m_number_of_polygons = m_p_input_polyhedra->first_faces->size();
}
catch (...)
{
m_number_of_polygons = 0;
}
try
{
m_number_of_faces = m_p_input_polyhedra->face_first_loops->size();
}
catch (...)
{
m_number_of_faces = 0;
}
try
{
m_number_of_loops = m_p_input_polyhedra->loop_first_edges->size();
}
catch (...)
{
m_number_of_loops = 0;
}
try
{
m_number_of_edges = m_p_input_polyhedra->edge_points->size();
}
catch (...)
{
m_number_of_edges = 0;
}
}
/**
* copy the specified polyhedra to the device
*/
void cuda_device_polyhedra::copy_to_device( k3d::uint32_t what_to_copy )
{
if ( what_to_copy & POLYHEDRA_ALL_POLYGONS )
{
allocate_device_memory((void**)&pdev_per_polygon_first_face, m_number_of_polygons*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_polygon_face_count, m_number_of_polygons*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_polygon_types, m_number_of_polygons*sizeof(int32_t));
copy_from_host_to_device_uint_64_bit_check(pdev_per_polygon_first_face, &(m_p_input_polyhedra->first_faces->front()), m_number_of_polygons*sizeof(k3d::uint32_t));
copy_from_host_to_device_uint_64_bit_check(pdev_per_polygon_face_count, &(m_p_input_polyhedra->face_counts->front()), m_number_of_polygons*sizeof(k3d::uint32_t));
copy_from_host_to_device(pdev_per_polygon_types, &(m_p_input_polyhedra->types->front()), m_number_of_polygons*sizeof(int32_t));
}
float* face_selection_temp = 0;
if ( what_to_copy & POLYHEDRA_ALL_FACES )
{
allocate_device_memory((void**)&pdev_per_face_first_loops, m_number_of_faces*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_face_loop_count, m_number_of_faces*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_face_selection, m_number_of_faces*sizeof(float));
copy_from_host_to_device_uint_64_bit_check(pdev_per_face_first_loops, &(m_p_input_polyhedra->face_first_loops->front()), m_number_of_faces*sizeof(k3d::uint32_t));
copy_from_host_to_device_uint_64_bit_check(pdev_per_face_loop_count, &(m_p_input_polyhedra->face_loop_counts->front()), m_number_of_faces*sizeof(k3d::uint32_t));
face_selection_temp = (float*) malloc ( m_number_of_faces*sizeof(float) );
for ( k3d::uint32_t face = 0 ; face < m_number_of_faces ; ++face )
{
face_selection_temp[face] = (float)((*m_p_input_polyhedra->face_selection)[face]);
}
copy_from_host_to_device(pdev_per_face_selection, face_selection_temp, m_number_of_faces*sizeof(float));
}
if ( what_to_copy & POLYHEDRA_ALL_LOOPS )
{
allocate_device_memory((void**)&pdev_per_loop_first_edge, m_number_of_loops*sizeof(k3d::uint32_t));
copy_from_host_to_device_uint_64_bit_check(pdev_per_loop_first_edge, &(m_p_input_polyhedra->loop_first_edges->front()), m_number_of_loops*sizeof(k3d::uint32_t));
}
float* edge_selection_temp = 0;
if ( what_to_copy & POLYHEDRA_ALL_EDGES )
{
allocate_device_memory((void**)&pdev_per_edge_point, m_number_of_edges*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_edge_clockwise_edge, m_number_of_edges*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_edge_selection, m_number_of_edges*sizeof(float));
copy_from_host_to_device_uint_64_bit_check(pdev_per_edge_point, &(m_p_input_polyhedra->edge_points->front()), m_number_of_edges*sizeof(k3d::uint32_t));
copy_from_host_to_device_uint_64_bit_check(pdev_per_edge_clockwise_edge, &(m_p_input_polyhedra->clockwise_edges->front()), m_number_of_edges*sizeof(k3d::uint32_t));
edge_selection_temp = (float*) malloc ( m_number_of_edges*sizeof(float) );
for ( k3d::uint32_t edge = 0 ; edge < m_number_of_edges ; ++edge )
{
edge_selection_temp[edge] = (float)((*m_p_input_polyhedra->edge_selection)[edge]);
}
copy_from_host_to_device(pdev_per_edge_selection, edge_selection_temp, m_number_of_edges*sizeof(float));
}
synchronize_threads();
free ( face_selection_temp );
free ( edge_selection_temp );
}
/**
* Copy the polyhedra from the device
*/
void cuda_device_polyhedra::copy_from_device(const k3d::mesh::polyhedra_t& destination_polyhedra, k3d::uint32_t what_to_copy )
{
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device" << std::endl;
k3d::mesh::polyhedra_t* p_output_polyhedra = const_cast<k3d::mesh::polyhedra_t*>(&destination_polyhedra);
float* edge_selection_temp = 0;
if ( what_to_copy & POLYHEDRA_ALL_EDGES )
{
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device::POLYHEDRA_ALL_EDGES" << std::endl;
edge_selection_temp = (float*) malloc ( m_number_of_edges*sizeof(float) );
copy_from_device_to_host(edge_selection_temp, pdev_per_edge_selection, m_number_of_edges*sizeof(float));
if ( !p_output_polyhedra->edge_points )
{
p_output_polyhedra->edge_points.create(new k3d::mesh::indices_t ( m_number_of_edges ) );
}
else if ( p_output_polyhedra->edge_points->size() != m_number_of_edges )
{
p_output_polyhedra->edge_points.create ( new k3d::mesh::indices_t ( m_number_of_edges ) );
}
if ( !p_output_polyhedra->clockwise_edges )
{
p_output_polyhedra->clockwise_edges.create(new k3d::mesh::indices_t ( m_number_of_edges ) );
}
else if ( p_output_polyhedra->clockwise_edges->size() != m_number_of_edges )
{
p_output_polyhedra->clockwise_edges.create( new k3d::mesh::indices_t ( m_number_of_edges ) );
}
if ( !p_output_polyhedra->edge_selection )
{
p_output_polyhedra->edge_selection.create( new k3d::mesh::selection_t ( m_number_of_edges ) );
}
else if ( p_output_polyhedra->edge_selection->size() != m_number_of_edges )
{
p_output_polyhedra->edge_selection.create( new k3d::mesh::selection_t ( m_number_of_edges ) );
}
// Create a default face materials array
if(!p_output_polyhedra->face_materials)
{
p_output_polyhedra->face_materials.create(new k3d::mesh::materials_t(m_number_of_faces));
}
synchronize_threads();
double* out_selection = (double*)&(p_output_polyhedra->edge_selection->front());
for ( k3d::uint32_t edge = 0 ; edge < m_number_of_edges ; ++edge )
{
(out_selection)[edge] = (double) edge_selection_temp[edge];
}
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->edge_points->front()),(const void*) pdev_per_edge_point, m_number_of_edges*sizeof(k3d::uint32_t));
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->clockwise_edges->front()), (const void*) pdev_per_edge_clockwise_edge, m_number_of_edges*sizeof(k3d::uint32_t));
}
if ( what_to_copy & POLYHEDRA_ALL_LOOPS )
{
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device::POLYHEDRA_ALL_LOOPS" << std::endl;
if ( !p_output_polyhedra->loop_first_edges )
{
p_output_polyhedra->loop_first_edges.create( new k3d::mesh::indices_t ( m_number_of_loops ) );
}
else if ( p_output_polyhedra->loop_first_edges->size() != m_number_of_loops )
{
p_output_polyhedra->loop_first_edges.create( new k3d::mesh::indices_t ( m_number_of_loops ) );
}
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->loop_first_edges->front()), (const void*)pdev_per_loop_first_edge, m_number_of_loops*sizeof(k3d::uint32_t));
}
float* face_selection_temp = 0;
if ( what_to_copy & ( POLYHEDRA_ALL_FACES ) )
{
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device::POLYHEDRA_ALL_FACES" << std::endl;
// allocate memory for the float to double conversion
face_selection_temp = (float*) malloc ( m_number_of_faces*sizeof(float) );
copy_from_device_to_host(face_selection_temp, pdev_per_face_selection, m_number_of_faces*sizeof(float));
if ( !p_output_polyhedra->face_first_loops )
{
p_output_polyhedra->face_first_loops.create( new k3d::mesh::indices_t ( m_number_of_faces ) );
}
else if ( p_output_polyhedra->face_first_loops->size() != m_number_of_faces )
{
p_output_polyhedra->face_first_loops.create( new k3d::mesh::indices_t ( m_number_of_faces ) );
}
if ( !p_output_polyhedra->face_loop_counts )
{
p_output_polyhedra->face_loop_counts.create( new k3d::mesh::indices_t ( m_number_of_faces ) );
}
else if ( p_output_polyhedra->face_loop_counts->size() != m_number_of_faces )
{
p_output_polyhedra->face_loop_counts.create( new k3d::mesh::indices_t ( m_number_of_faces ) );
}
if ( !p_output_polyhedra->face_selection )
{
p_output_polyhedra->face_selection.create(new k3d::mesh::selection_t ( m_number_of_faces ) );
}
else if ( p_output_polyhedra->face_selection->size() != m_number_of_faces )
{
p_output_polyhedra->face_selection.create(new k3d::mesh::selection_t ( m_number_of_faces ) );
}
synchronize_threads();
double* out_selection = (double*)&(p_output_polyhedra->face_selection->front());
for ( k3d::uint32_t face = 0 ; face < m_number_of_faces ; ++face )
{
(out_selection)[face] = (double)face_selection_temp[face];
}
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->face_first_loops->front()), (const void*)pdev_per_face_first_loops, m_number_of_faces*sizeof(k3d::uint32_t));
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->face_loop_counts->front()), (const void*)pdev_per_face_loop_count, m_number_of_faces*sizeof(k3d::uint32_t));
}
if ( what_to_copy & ( POLYHEDRA_ALL_POLYGONS ) )
{
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device::POLYHEDRA_ALL_POLYGONS" << std::endl;
if ( !p_output_polyhedra->first_faces )
{
p_output_polyhedra->first_faces.create(new k3d::mesh::indices_t ( m_number_of_polygons ) );
}
else if ( p_output_polyhedra->first_faces->size() != m_number_of_polygons )
{
p_output_polyhedra->first_faces.create(new k3d::mesh::indices_t ( m_number_of_polygons ) );
}
if ( !p_output_polyhedra->face_counts )
{
p_output_polyhedra->face_counts.create(new k3d::mesh::indices_t ( m_number_of_polygons ) );
}
else if ( p_output_polyhedra->face_counts->size() != m_number_of_polygons )
{
p_output_polyhedra->face_counts.create(new k3d::mesh::indices_t ( m_number_of_polygons ) );
}
if ( !p_output_polyhedra->types )
{
p_output_polyhedra->types.create(new k3d::mesh::polyhedra_t::types_t ( m_number_of_polygons ) );
}
else if ( p_output_polyhedra->types->size() != m_number_of_polygons )
{
p_output_polyhedra->types.create(new k3d::mesh::polyhedra_t::types_t ( m_number_of_polygons ) );
}
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->first_faces->front()), (const void*)pdev_per_polygon_first_face, m_number_of_polygons*sizeof(k3d::uint32_t));
copy_from_device_to_host_uint_64_bit_check((void*)&(p_output_polyhedra->face_counts->front()), (const void*)pdev_per_polygon_face_count, m_number_of_polygons*sizeof(k3d::uint32_t));
copy_from_device_to_host((void*)&(p_output_polyhedra->types->front()), (const void*)pdev_per_polygon_types, m_number_of_polygons*sizeof(int32_t));
}
synchronize_threads();
free ( face_selection_temp );
free ( edge_selection_temp );
//k3d::log() << debug << "cuda_device_polyhedra::copy_from_device::end" << std::endl;
}
void cuda_device_polyhedra::allocate_on_device( k3d::uint32_t what_to_allocate )
{
if ( what_to_allocate & POLYHEDRA_ALL_POLYGONS )
{
allocate_device_memory((void**)&pdev_per_polygon_first_face, m_number_of_polygons*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_polygon_face_count, m_number_of_polygons*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_polygon_types, m_number_of_polygons*sizeof(int32_t));
}
if ( what_to_allocate & POLYHEDRA_ALL_FACES )
{
allocate_device_memory((void**)&pdev_per_face_first_loops, m_number_of_faces*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_face_loop_count, m_number_of_faces*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_face_selection, m_number_of_faces*sizeof(float));
}
if ( what_to_allocate & POLYHEDRA_ALL_LOOPS )
{
allocate_device_memory((void**)&pdev_per_loop_first_edge, m_number_of_loops*sizeof(k3d::uint32_t));
}
if ( what_to_allocate & POLYHEDRA_ALL_EDGES )
{
allocate_device_memory((void**)&pdev_per_edge_point, m_number_of_edges*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_edge_clockwise_edge, m_number_of_edges*sizeof(k3d::uint32_t));
allocate_device_memory((void**)&pdev_per_edge_selection, m_number_of_edges*sizeof(float));
}
synchronize_threads();
}
/**
* Ouput debug information for the data structure
*/
void cuda_device_polyhedra::output_debug_info()
{
k3d::log() << debug << "=====================" << std::endl;
k3d::log() << debug << "CUDA Device polyhedra info" << std::endl;
k3d::log() << debug << "=====================" << std::endl;
k3d::log() << debug << "pdev_per_polygon_first_face: " << pdev_per_polygon_first_face << std::endl;
k3d::log() << debug << "pdev_per_polygon_face_count: " << pdev_per_polygon_face_count << std::endl;
k3d::log() << debug << "pdev_per_polygon_types: " << pdev_per_polygon_types << std::endl;
k3d::log() << debug << "m_number_of_polygons: " << m_number_of_polygons << std::endl;
k3d::log() << debug << "pdev_per_face_first_loops: " << pdev_per_face_first_loops << std::endl;
k3d::log() << debug << "pdev_per_face_loop_count: " << pdev_per_face_loop_count << std::endl;
k3d::log() << debug << "pdev_per_face_selection: " << pdev_per_face_selection << std::endl;
k3d::log() << debug << "m_number_of_faces: " << m_number_of_faces << std::endl;
k3d::log() << debug << "pdev_per_loop_first_edge: " << pdev_per_loop_first_edge << std::endl;
k3d::log() << debug << "m_number_of_loops: " << m_number_of_loops << std::endl;
k3d::log() << debug << "pdev_per_edge_point: " << pdev_per_face_first_loops << std::endl;
k3d::log() << debug << "pdev_per_edge_clockwise_edge: " << pdev_per_face_loop_count << std::endl;
k3d::log() << debug << "pdev_per_edge_selection: " << pdev_per_face_selection << std::endl;
k3d::log() << debug << "m_number_of_edges: " << m_number_of_faces << std::endl;
k3d::log() << debug << "m_p_input_polyhedra: " << m_p_input_polyhedra << std::endl;
k3d::log() << debug << "=====================" << std::endl;
}
k3d::uint32_t* cuda_device_polyhedra::get_per_edge_points_pointer()
{
return pdev_per_edge_point;
}
k3d::uint32_t* cuda_device_polyhedra::get_per_edge_clockwise_edges_pointer()
{
return pdev_per_edge_clockwise_edge;
}
k3d::uint32_t* cuda_device_polyhedra::get_per_loop_first_edges_pointer()
{
return pdev_per_loop_first_edge;
}
k3d::uint32_t* cuda_device_polyhedra::get_per_face_first_loops_pointer()
{
return pdev_per_face_first_loops;
}
k3d::uint32_t* cuda_device_polyhedra::get_per_face_loop_counts_pointer()
{
return pdev_per_face_loop_count;
}
float* cuda_device_polyhedra::get_per_face_selection_pointer()
{
return pdev_per_face_selection;
}
float* cuda_device_polyhedra::get_per_edge_selection_pointer()
{
return pdev_per_edge_selection;
}
/**
* Increase the size of the data structures corresponding to the edges
*/
void cuda_device_polyhedra::resize_edges ( k3d::uint32_t new_number_of_edges, bool clear )
{
int new_edges_count = new_number_of_edges - m_number_of_edges;
if ( new_edges_count != 0 )
{
float* new_pdev_per_edge_selection = 0;
k3d::uint32_t* new_pdev_per_edge_point = 0;
k3d::uint32_t* new_pdev_per_edge_clockwise_edge = 0;
// resize the device memory structures
resize_device_memory_block((void**)&new_pdev_per_edge_selection, pdev_per_edge_selection, new_number_of_edges*sizeof(float), m_number_of_edges*sizeof(float), clear);
resize_device_memory_block((void**)&new_pdev_per_edge_point, pdev_per_edge_point, new_number_of_edges*sizeof(k3d::uint32_t), m_number_of_edges*sizeof(k3d::uint32_t), clear);
resize_device_memory_block((void**)&new_pdev_per_edge_clockwise_edge, pdev_per_edge_clockwise_edge, new_number_of_edges*sizeof(k3d::uint32_t), m_number_of_edges*sizeof(k3d::uint32_t), clear);
// update the member pointers and number of edges
pdev_per_edge_selection = new_pdev_per_edge_selection;
pdev_per_edge_point = new_pdev_per_edge_point;
pdev_per_edge_clockwise_edge = new_pdev_per_edge_clockwise_edge;
m_number_of_edges = new_number_of_edges;
}
}
/**
* Increase the size of the data structures corresponding to the loops
*/
void cuda_device_polyhedra::resize_loops ( k3d::uint32_t new_number_of_loops, bool clear )
{
int new_loops_count = new_number_of_loops - m_number_of_loops;
if ( new_loops_count != 0 )
{
k3d::uint32_t* new_pdev_per_loop_first_edge = 0;
resize_device_memory_block((void**)&new_pdev_per_loop_first_edge, pdev_per_loop_first_edge, new_number_of_loops*sizeof(k3d::uint32_t), m_number_of_loops*sizeof(k3d::uint32_t), clear);
pdev_per_loop_first_edge = new_pdev_per_loop_first_edge;
m_number_of_loops = new_number_of_loops;
}
}
/**
* Increase the size of the data structures corresponding to the faces
*/
void cuda_device_polyhedra::resize_faces ( k3d::uint32_t new_number_of_faces, bool clear )
{
int new_faces_count = new_number_of_faces - m_number_of_faces;
if ( new_faces_count != 0 )
{
float* new_pdev_per_face_selection = 0;
k3d::uint32_t* new_pdev_per_face_first_loops = 0;
k3d::uint32_t* new_pdev_per_face_loop_count = 0;
// resize the device memory structures
resize_device_memory_block((void**)&new_pdev_per_face_selection, pdev_per_face_selection, new_number_of_faces*sizeof(float), m_number_of_faces*sizeof(float), clear);
resize_device_memory_block((void**)&new_pdev_per_face_first_loops, pdev_per_face_first_loops, new_number_of_faces*sizeof(k3d::uint32_t), m_number_of_faces*sizeof(k3d::uint32_t), clear);
resize_device_memory_block((void**)&new_pdev_per_face_loop_count, pdev_per_face_loop_count, new_number_of_faces*sizeof(k3d::uint32_t), m_number_of_faces*sizeof(k3d::uint32_t), clear);
// update the member pointers and number of edges
pdev_per_face_selection = new_pdev_per_face_selection;
pdev_per_face_first_loops = new_pdev_per_face_first_loops;
pdev_per_face_loop_count = new_pdev_per_face_loop_count;
m_number_of_faces = new_number_of_faces;
}
}
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