// 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 Tim Shead (tshead@k-3d.com)
*/
#include "iunknown.h"
#include "signal_system.h"
#include "types.h"
namespace k3d
{
class inode;
/// Abstract interface for an object that collects and distributes profiling data for the K-3D visualization pipeline
class ipipeline_profiler :
public virtual iunknown
{
public:
/// Called by a node to indicate that it has begun processing the given task. Note: it is critical that every call to start_execution() is balanced with a call to finish_execution().
/// Called by a node to indicate that it has finished processing the given task. Note: it is critical that every call to finish_execution() matches a call to start_execution().