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|
// K-3D
// Copyright (c) 2006, Romain Behar
//
// Contact: romainbehar@yahoo.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 Romain Behar (romainbehar@yahoo.com)
\author Timothy M. Shead (tshead@k-3d.com)
*/
#include <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_simple_deformation_modifier.h>
#include <k3dsdk/transformable.h>
#include <k3dsdk/ipipeline_profiler.h>
#include <k3dsdk/log.h>
// include the entry points as external definitions
#include "cuda_entry_points.h"
#include "cuda_mesh_simple_deformation_modifier.h"
namespace module
{
namespace cuda
{
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points
class cuda_deformation_transform_points :
public k3d::transformable<k3d::mesh_simple_deformation_modifier>
{
typedef k3d::transformable<k3d::mesh_simple_deformation_modifier> base;
public:
cuda_deformation_transform_points(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
m_mesh_selection.changed_signal().connect(make_update_mesh_slot());
m_input_matrix.changed_signal().connect(make_update_mesh_slot());
}
void on_deform_mesh(const k3d::mesh::points_t& InputPoints, const k3d::mesh::selection_t& PointSelection, k3d::mesh::points_t& OutputPoints)
{
document().pipeline_profiler().start_execution(*this, "");
const k3d::matrix4 Transformation = m_input_matrix.pipeline_value();
int num_points = InputPoints.size();
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 );
// struct to store timing info for GPU implementation
timingInfo_t timing_info;
timing_info.numEntries = 0;
timing_info.timings = 0;
timing_info.labels = 0;
document().pipeline_profiler().finish_execution(*this, "BIND_TEXTURE");
// use non-streamed version
transform_points_synchronous ( (double *)&(InputPoints[0]), (double *)&(PointSelection[0]), (double *)&(OutputPoints[0]), num_points, &timing_info );
free_CUDA_array ( cuda_array );
free ( float_transformation );
if ( timing_info.timings && timing_info.labels )
{
for ( int i = 0; i < timing_info.numEntries; i++ )
{
if ( timing_info.labels[i])
{
document().pipeline_profiler().add_timing_entry(*this, timing_info.labels[i], timing_info.timings[i]);
free ( timing_info.labels[i] );
}
else
{
document().pipeline_profiler().add_timing_entry(*this, "", timing_info.timings[i]);
}
}
free ( timing_info.labels );
free ( timing_info.timings );
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<cuda_deformation_transform_points,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink,
k3d::interface_list<k3d::imatrix_source,
k3d::interface_list<k3d::imatrix_sink > > > > > factory(
k3d::uuid(0x3bb9fc2b, 0x65483516, 0xd7c69198, 0x30375235),
"CUDATransformPoints",
_("Transform mesh points using input matrix"),
"CUDADeformation",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
};
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points_factory
k3d::iplugin_factory& cuda_deformation_transform_points_factory()
{
return cuda_deformation_transform_points::get_factory();
}
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points_asynchronous
class cuda_deformation_transform_points_asynchronous :
public k3d::transformable<k3d::mesh_simple_deformation_modifier>
{
typedef k3d::transformable<k3d::mesh_simple_deformation_modifier> base;
public:
cuda_deformation_transform_points_asynchronous(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
m_mesh_selection.changed_signal().connect(make_update_mesh_slot());
m_input_matrix.changed_signal().connect(make_update_mesh_slot());
}
void on_deform_mesh(const k3d::mesh::points_t& InputPoints, const k3d::mesh::selection_t& PointSelection, k3d::mesh::points_t& OutputPoints)
{
document().pipeline_profiler().start_execution(*this, "");
const k3d::matrix4 Transformation = m_input_matrix.pipeline_value();
int num_points = InputPoints.size();
void *cuda_array = NULL;
// 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 );
// struct to store timing info for GPU implementation
timingInfo_t timing_info;
timing_info.numEntries = 0;
timing_info.timings = 0;
timing_info.labels = 0;
document().pipeline_profiler().finish_execution(*this, "BIND_TEXTURE");
// use streams
transform_points_asynchronous ( (double *)&(InputPoints[0]), (double *)&(PointSelection[0]), (double *)&(OutputPoints[0]), num_points, &timing_info );
free_CUDA_array ( cuda_array );
free ( float_transformation );
if ( timing_info.timings && timing_info.labels )
{
for ( int i = 0; i < timing_info.numEntries; i++ )
{
if ( timing_info.labels[i])
{
document().pipeline_profiler().add_timing_entry(*this, timing_info.labels[i], timing_info.timings[i]);
free ( timing_info.labels[i] );
}
else
{
document().pipeline_profiler().add_timing_entry(*this, "", timing_info.timings[i]);
}
}
free ( timing_info.labels );
free ( timing_info.timings );
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<cuda_deformation_transform_points_asynchronous,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink,
k3d::interface_list<k3d::imatrix_source,
k3d::interface_list<k3d::imatrix_sink > > > > > factory(
k3d::uuid(0x1cf04dc1, 0x7b443a52, 0x384baca7, 0xc84071a3),
"CUDATransformPointsAsynchronous",
_("Transform mesh points using input matrix"),
"CUDADeformation",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
};
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points_asynchronous_factory
k3d::iplugin_factory& cuda_deformation_transform_points_asynchronous_factory()
{
return cuda_deformation_transform_points_asynchronous::get_factory();
}
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points_device_mesh
class cuda_deformation_transform_points_device_mesh :
public k3d::transformable<k3d::cuda_mesh_simple_deformation_modifier>
{
typedef k3d::transformable<k3d::cuda_mesh_simple_deformation_modifier> base;
public:
cuda_deformation_transform_points_device_mesh(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
m_mesh_selection.changed_signal().connect(make_update_mesh_slot());
m_input_matrix.changed_signal().connect(make_update_mesh_slot());
}
void on_deform_mesh(k3d::mesh& Output)
{
k3d::log() << debug << "on_deform_mesh" << std::endl;
document().pipeline_profiler().start_execution(*this, "");
const k3d::matrix4 Transformation = m_input_matrix.pipeline_value();
int num_points = m_p_input_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 );
document().pipeline_profiler().finish_execution(*this, "BIND_TEXTURE");
document().pipeline_profiler().start_execution(*this, "Kernel Call");
// use the implementation that uses the device mesh
transform_points_device_mesh (m_p_input_device_mesh.pipeline_value()->get_points_and_selection_pointer() , num_points);
document().pipeline_profiler().finish_execution(*this, "Kernel Call");
document().pipeline_profiler().start_execution(*this, "Free Memory");
free_CUDA_array ( cuda_array );
free ( float_transformation );
document().pipeline_profiler().finish_execution(*this, "Free Memory");
document().pipeline_profiler().start_execution(*this, "Copy From Device");
Output.points.reset();
Output.point_selection.reset();
m_p_input_device_mesh.pipeline_value()->copy_from_device(Output, MESH_POINTS+MESH_SELECTION);
document().pipeline_profiler().finish_execution(*this, "Copy From Device");
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<cuda_deformation_transform_points_device_mesh,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink,
k3d::interface_list<k3d::imatrix_source,
k3d::interface_list<k3d::imatrix_sink > > > > > factory(
k3d::uuid(0x2ef86b2e, 0x2449d8a8, 0xbac438a5, 0xffeb92c8),
"CUDATransformPointsDeviceMesh",
_("Transform mesh points using input matrix using a device mesh"),
"CUDADeformation",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
};
/////////////////////////////////////////////////////////////////////////////
// cuda_deformation_transform_points_device_mesh_factory
k3d::iplugin_factory& cuda_deformation_transform_points_device_mesh_factory()
{
return cuda_deformation_transform_points_device_mesh::get_factory();
}
} // namespace cuda
} // namespace module
|
