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Diffstat (limited to 'source/blender/render/intern/raytrace/rayobject_internal.h')
| -rw-r--r-- | source/blender/render/intern/raytrace/rayobject_internal.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/source/blender/render/intern/raytrace/rayobject_internal.h b/source/blender/render/intern/raytrace/rayobject_internal.h deleted file mode 100644 index 5b8a43eab03..00000000000 --- a/source/blender/render/intern/raytrace/rayobject_internal.h +++ /dev/null @@ -1,157 +0,0 @@ -/* - * ***** 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 ***** - */ - -#ifndef __RAYOBJECT_INTERNAL_H__ -#define __RAYOBJECT_INTERNAL_H__ - -/** \file blender/render/intern/raytrace/rayobject_internal.h - * \ingroup render - */ - -#ifdef __cplusplus -extern "C" { -#endif - -/* RayObjectControl - * - * This class is intended as a place holder for control, configuration of the - * rayobject like: - * - stop building (TODO maybe when porting build to threads this could be - * implemented with some thread_cancel function) - * - max number of threads and threads callback to use during build - * ... - */ - -typedef int (*RE_rayobjectcontrol_test_break_callback)(void *data); - -typedef struct RayObjectControl { - void *data; - RE_rayobjectcontrol_test_break_callback test_break; -} RayObjectControl; - -/* Returns true if for some reason a heavy processing function should stop - * (eg.: user asked to stop during a tree a build) - */ - -int RE_rayobjectcontrol_test_break(RayObjectControl *c); - -/* RayObject - * - * A ray object is everything where we can cast rays like: - * * a face/triangle - * * an octree - * * a bvh tree - * * an octree of bvh's - * * a bvh of bvh's - * - * - * All types of RayObjects can be created by implementing the - * callbacks of the RayObject. - * - * Due to high computing time evolved with casting on faces - * there is a special type of RayObject (named RayFace) - * which won't use callbacks like other generic nodes. - * - * In order to allow a mixture of RayFace+RayObjects, - * all RayObjects must be 4byte aligned, allowing us to use the - * 2 least significant bits (with the mask 0x03) to define the - * type of RayObject. - * - * This leads to 4 possible types of RayObject: - * - * addr&3 - type of object - * 0 Self (reserved for each structure) - * 1 RayFace (tri/quad primitive) - * 2 RayObject (generic with API callbacks) - * 3 VlakPrimitive - * (vlak primitive - to be used when we have a vlak describing the data - * eg.: on render code) - * - * 0 means it's reserved and has it own meaning inside each ray acceleration structure - * (this way each structure can use the align offset to determine if a node represents a - * RayObject primitive, which can be used to save memory) - */ - -/* used to test the type of ray object */ -#define RE_rayobject_isAligned(o) ((((intptr_t)o)&3) == 0) -#define RE_rayobject_isRayFace(o) ((((intptr_t)o)&3) == 1) -#define RE_rayobject_isRayAPI(o) ((((intptr_t)o)&3) == 2) -#define RE_rayobject_isVlakPrimitive(o) ((((intptr_t)o)&3) == 3) - -/* used to align a given ray object */ -#define RE_rayobject_align(o) ((RayObject *)(((intptr_t)o)&(~3))) - -/* used to unalign a given ray object */ -#define RE_rayobject_unalignRayFace(o) ((RayObject *)(((intptr_t)o)|1)) -#define RE_rayobject_unalignRayAPI(o) ((RayObject *)(((intptr_t)o)|2)) -#define RE_rayobject_unalignVlakPrimitive(o) ((RayObject *)(((intptr_t)o)|3)) - -/* - * This rayobject represents a generic object. With it's own callbacks for raytrace operations. - * It's suitable to implement things like LOD. - */ - -struct RayObject { - struct RayObjectAPI *api; - struct RayObjectControl control; -}; - -typedef int (*RE_rayobject_raycast_callback)(RayObject *, struct Isect *); -typedef void (*RE_rayobject_add_callback)(RayObject *raytree, RayObject *rayobject); -typedef void (*RE_rayobject_done_callback)(RayObject *); -typedef void (*RE_rayobject_free_callback)(RayObject *); -typedef void (*RE_rayobject_merge_bb_callback)(RayObject *, float min[3], float max[3]); -typedef float (*RE_rayobject_cost_callback)(RayObject *); -typedef void (*RE_rayobject_hint_bb_callback)(RayObject *, struct RayHint *, float min[3], float max[3]); - -typedef struct RayObjectAPI { - RE_rayobject_raycast_callback raycast; - RE_rayobject_add_callback add; - RE_rayobject_done_callback done; - RE_rayobject_free_callback free; - RE_rayobject_merge_bb_callback bb; - RE_rayobject_cost_callback cost; - RE_rayobject_hint_bb_callback hint_bb; -} RayObjectAPI; - -/* - * Returns the expected cost of raycast on this node, primitives have a cost of 1 - */ -float RE_rayobject_cost(RayObject *r); - -/* - * This function differs from RE_rayobject_raycast - * RE_rayobject_intersect does NOT perform last-hit optimization - * So this is probably a function to call inside raytrace structures - */ -int RE_rayobject_intersect(RayObject *r, struct Isect *i); - -#ifdef __cplusplus -} -#endif - -#endif /* __RAYOBJECT_INTERNAL_H__ */ |