/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2009 Blender Foundation.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): André Pinto.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/render/intern/include/raycounter.h
 *  \ingroup render
 */


#ifndef RE_RAYCOUNTER_H
#define RE_RAYCOUNTER_H

//#define RE_RAYCOUNTER			/* enable counters per ray, useful for measuring raytrace structures performance */

#ifdef __cplusplus
extern "C" {
#endif

#ifdef RE_RAYCOUNTER

/* ray counter functions */

typedef struct RayCounter {
	struct {
		unsigned long long test, hit;
	} faces, bb, simd_bb, raycast, raytrace_hint, rayshadow_last_hit;
} RayCounter;

#define RE_RC_INIT(isec, shi) (isec).raycounter = &((shi).shading.raycounter)
void RE_RC_INFO (RayCounter *rc);
void RE_RC_MERGE(RayCounter *rc, RayCounter *tmp);
#define RE_RC_COUNT(var) (var)++

extern RayCounter re_rc_counter[];

#else

/* ray counter stubs */

#define RE_RC_INIT(isec,shi)
#define RE_RC_INFO(rc)
#define RE_RC_MERGE(dest,src)
#define	RE_RC_COUNT(var)
		
#endif

#ifdef __cplusplus
}
#endif

#endif