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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 Timothy M. Shead (tshead@k-3d.com)
\author Evan Lezar (evanlezar@gmail.com)
*/
#include <k3dsdk/axis.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/imaterial.h>
#include <k3dsdk/material_sink.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_source.h>
#include <k3dsdk/node.h>
#include "cuda_device_mesh.h"
#include "cuda_entry_points.h"
#include <iterator>
namespace module
{
namespace cuda
{
/////////////////////////////////////////////////////////////////////////////
// cuda_mesh_poly_grid_and_transform
class cuda_mesh_poly_grid_and_transform :
public k3d::material_sink<k3d::mesh_source<k3d::node > >
{
typedef k3d::material_sink<k3d::mesh_source<k3d::node > > base;
public:
cuda_mesh_poly_grid_and_transform(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_columns(init_owner(*this) + init_name("columns") + init_label(_("Columns")) + init_description(_("Column number")) + init_value(5) + init_constraint(constraint::minimum<k3d::int32_t>(1)) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar))),
m_rows(init_owner(*this) + init_name("rows") + init_label(_("Rows")) + init_description(_("Row number")) + init_value(5) + init_constraint(constraint::minimum<k3d::int32_t>(1)) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar))),
m_width(init_owner(*this) + init_name("width") + init_label(_("Width")) + init_description(_("Grid width")) + init_value(10.0) + init_step_increment(0.1) + init_units(typeid(k3d::measurement::distance))),
m_height(init_owner(*this) + init_name("height") + init_label(_("Height")) + init_description(_("Grid height")) + init_value(10.0) + init_step_increment(0.1) + init_units(typeid(k3d::measurement::distance))),
m_orientation(init_owner(*this) + init_name("orientation") + init_label(_("Orientation")) + init_description(_("Orientation type (forward or backward along X, Y or Z axis)")) + init_value(k3d::PZ) + init_enumeration(k3d::signed_axis_values())),
m_input_matrix(init_owner(*this) + init_name("input_matrix") + init_label(_("Input matrix")) + init_description(_("Input matrix")) + init_value(k3d::identity3())),
m_p_output_device_mesh(init_owner(*this) + init_name("ouput_device_mesh") + init_label(_("Output Device Mesh")) + init_description(_("Pointer to device mesh")) + init_value<cuda_device_mesh*>(0))
{
m_columns.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_topology_changed> >(make_update_mesh_slot()));
m_rows.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_topology_changed> >(make_update_mesh_slot()));
m_material.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::none> >(make_update_mesh_slot()));
m_width.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_height.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_orientation.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_input_matrix.changed_signal().connect(make_update_mesh_slot());
}
void on_update_mesh_topology(k3d::mesh& Output)
{
document().pipeline_profiler().start_execution(*this, "Update Topology:init");
k3d::uint32_t rows = m_rows.pipeline_value();
k3d::uint32_t columns = m_columns.pipeline_value();
// Setup some of the data structure on the host
k3d::mesh::polyhedra_t& polyhedra = Output.polyhedra.create(new k3d::mesh::polyhedra_t());
k3d::mesh::indices_t& first_faces = polyhedra.first_faces.create(new k3d::mesh::indices_t(1, 0));
k3d::mesh::counts_t& face_counts = polyhedra.face_counts.create(new k3d::mesh::counts_t(1, rows * columns));
k3d::mesh::polyhedra_t::types_t& types = polyhedra.types.create(new k3d::mesh::polyhedra_t::types_t(1, k3d::mesh::polyhedra_t::POLYGONS));
k3d::mesh::materials_t& face_materials = polyhedra.face_materials.create(new k3d::mesh::materials_t(rows * columns, m_material.pipeline_value()));
document().pipeline_profiler().finish_execution(*this, "Update Topology:init");
document().pipeline_profiler().start_execution(*this, "Update Topology:DeviceAllocate");
m_p_output_device_mesh.pipeline_value()->resize_points_and_selection((rows+1)*(columns+1));
m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().resize_faces(rows*columns, true);
m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().resize_loops(rows*columns, true);
m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().resize_edges(4*rows*columns, true);
synchronize_threads();
document().pipeline_profiler().finish_execution(*this, "Update Topology:DeviceAllocate");
document().pipeline_profiler().start_execution(*this, "Update Topology:Kernel");
create_grid_structure_kernel_entry (
(unsigned int*)m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().get_per_face_first_loops_pointer(),
(unsigned int*)m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().get_per_face_loop_counts_pointer(),
(unsigned int*)m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().get_per_loop_first_edges_pointer(),
(unsigned int*)m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().get_per_edge_points_pointer(),
(unsigned int*)m_p_output_device_mesh.pipeline_value()->get_device_polyhedra().get_per_edge_clockwise_edges_pointer(),
rows,
columns);
document().pipeline_profiler().finish_execution(*this, "Update Topology:Kernel");
document().pipeline_profiler().start_execution(*this, "Update Topology:Copy");
m_p_output_device_mesh.pipeline_value()->copy_from_device ( Output, POLYHEDRA_ALL_FACES + POLYHEDRA_ALL_LOOPS + POLYHEDRA_ALL_EDGES );
document().pipeline_profiler().finish_execution(*this, "Update Topology:Copy");
}
void on_update_mesh_geometry(k3d::mesh& Output)
{
document().pipeline_profiler().start_execution(*this, "Update Geometry:init");
const float width = (float)m_width.pipeline_value();
const float height = (float)m_height.pipeline_value();
const k3d::signed_axis orientation = m_orientation.pipeline_value();
k3d::uint32_t rows = m_rows.pipeline_value();
k3d::uint32_t columns = m_columns.pipeline_value();
float xf[3] = {0, 0, 0};
float yf[3] = {0, 0, 0};
switch(orientation)
{
case k3d::PX:
xf[1] = -width;
yf[2] = height;
break;
case k3d::NX:
xf[1] = width;
yf[2] = height;
break;
case k3d::NY:
xf[0] = -width;
yf[2] = height;
break;
case k3d::PY:
xf[0] = width;
yf[2] = height;
break;
case k3d::PZ:
xf[0] = -width;
yf[1] = height;
break;
case k3d::NZ:
xf[0] = width;
yf[1] = height;
break;
}
document().pipeline_profiler().finish_execution(*this, "Update Geometry:init");
document().pipeline_profiler().start_execution(*this, "Update Geometry:Kernel");
calculate_grid_points_kernel_entry (m_p_output_device_mesh.pipeline_value()->get_points_and_selection_pointer(),
xf,
yf,
rows,
columns
);
document().pipeline_profiler().finish_execution(*this, "Update Geometry:Kernel");
document().pipeline_profiler().start_execution(*this, "Update Geometry:Transform Points");
m_p_output_device_mesh.pipeline_value()->select_all_points();
const k3d::matrix4 Transformation = m_input_matrix.pipeline_value();
int num_points = m_p_output_device_mesh.pipeline_value()->get_number_of_points();
void *cuda_array = NULL;
// first convert the double precision mesh points to single precision for the GPU
// use 3 floats for the points, and a 4th for the selection weight
// a 4 x 4 matrix of floats
float *float_transformation = (float*) malloc ( 64 );
float_transformation[0] = Transformation[0][0];
float_transformation[1] = Transformation[0][1];
float_transformation[2] = Transformation[0][2];
float_transformation[3] = Transformation[0][3];
float_transformation[4] = Transformation[1][0];
float_transformation[5] = Transformation[1][1];
float_transformation[6] = Transformation[1][2];
float_transformation[7] = Transformation[1][3];
float_transformation[8] = Transformation[2][0];
float_transformation[9] = Transformation[2][1];
float_transformation[10] = Transformation[2][2];
float_transformation[11] = Transformation[2][3];
float_transformation[12] = Transformation[3][0];
float_transformation[13] = Transformation[3][1];
float_transformation[14] = Transformation[3][2];
float_transformation[15] = Transformation[3][3];
copy_and_bind_texture_to_array( &cuda_array, float_transformation, 4, 4 );
// use the implementation that uses the device mesh
transform_points_device_mesh (m_p_output_device_mesh.pipeline_value()->get_points_and_selection_pointer() , num_points);
free_CUDA_array ( cuda_array );
free ( float_transformation );
document().pipeline_profiler().finish_execution(*this, "Update Geometry:Transform Points");
document().pipeline_profiler().start_execution(*this, "Update Geometry:Copy");
m_p_output_device_mesh.pipeline_value()->copy_from_device ( Output, MESH_POINTS + MESH_SELECTION );
document().pipeline_profiler().finish_execution(*this, "Update Geometry:Copy");
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<cuda_mesh_poly_grid_and_transform, k3d::interface_list<k3d::imesh_source > > factory(
k3d::uuid(0x37a67c9d, 0x504dae59, 0xa4967c95, 0xdb261ca6),
"CUDAPolyGridAndTransformPoints",
_("Generates a polygonal grid and applies a transform points filter using the CUDA API"),
"CUDAPolygon",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_columns;
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_rows;
k3d_data(double, immutable_name, change_signal, with_undo, local_storage, no_constraint, measurement_property, with_serialization) m_width;
k3d_data(double, immutable_name, change_signal, with_undo, local_storage, no_constraint, measurement_property, with_serialization) m_height;
k3d_data(k3d::signed_axis, immutable_name, change_signal, with_undo, local_storage, no_constraint, enumeration_property, with_serialization) m_orientation;
k3d_data(k3d::matrix4, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_input_matrix;
k3d_data(cuda_device_mesh*, immutable_name, change_signal, no_undo, pointer_demand_storage, no_constraint, read_only_property, no_serialization) m_p_output_device_mesh;
};
/////////////////////////////////////////////////////////////////////////////
// cuda_mesh_poly_grid_and_transform_factory
k3d::iplugin_factory& cuda_mesh_poly_grid_and_transform_factory()
{
return cuda_mesh_poly_grid_and_transform::get_factory();
}
} // namespace cuda
} // namespace module
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