diff options
Diffstat (limited to 'source/blender/render/extern/include/RE_raytrace.h')
| -rw-r--r-- | source/blender/render/extern/include/RE_raytrace.h | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/source/blender/render/extern/include/RE_raytrace.h b/source/blender/render/extern/include/RE_raytrace.h deleted file mode 100644 index 215dd816a4e..00000000000 --- a/source/blender/render/extern/include/RE_raytrace.h +++ /dev/null @@ -1,214 +0,0 @@ -/** - * $Id$ - * - * ***** 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) 2007 Blender Foundation. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): André Pinto. - * - * ***** END GPL LICENSE BLOCK ***** - * RE_raytrace.h: ray tracing api, can be used independently from the renderer. - */ - -#ifndef RE_RAYTRACE_H -#define RE_RAYTRACE_H - -#ifdef __cplusplus -extern "C" { -#endif - -// #define RE_RAYCOUNTER /* enable counters per ray, usefull for measuring raytrace structures performance */ - -#define RE_RAY_LCTS_MAX_SIZE 256 -#define RT_USE_LAST_HIT /* last shadow hit is reused before raycasting on whole tree */ -//#define RT_USE_HINT /* last hit object is reused before raycasting on whole tree */ - -#ifdef RE_RAYCOUNTER - -typedef struct RayCounter RayCounter; -struct RayCounter -{ - - struct - { - unsigned long long test, hit; - - } faces, bb, simd_bb, raycast, raytrace_hint, rayshadow_last_hit; -}; -#endif - -/* Internals about raycasting structures can be found on intern/raytree.h */ -typedef struct RayObject RayObject; -typedef struct Isect Isect; -typedef struct RayHint RayHint; -typedef struct RayTraceHint RayTraceHint; - -struct DerivedMesh; -struct Mesh; -struct VlakRen; -struct ObjectInstanceRen; - -int RE_rayobject_raycast(RayObject *r, Isect *i); -void RE_rayobject_add (RayObject *r, RayObject *); -void RE_rayobject_done(RayObject *r); -void RE_rayobject_free(RayObject *r); - -/* Extend min/max coords so that the rayobject is inside them */ -void RE_rayobject_merge_bb(RayObject *ob, float *min, float *max); - -/* initializes an hint for optiming raycast where it is know that a ray will pass by the given BB often the origin point */ -void RE_rayobject_hint_bb(RayObject *r, RayHint *hint, float *min, float *max); - -/* initializes an hint for optiming raycast where it is know that a ray will be contained inside the given cone*/ -/* void RE_rayobject_hint_cone(RayObject *r, RayHint *hint, float *); */ - -/* RayObject constructors */ -RayObject* RE_rayobject_octree_create(int ocres, int size); -RayObject* RE_rayobject_instance_create(RayObject *target, float transform[][4], void *ob, void *target_ob); -RayObject* RE_rayobject_empty_create(); - -RayObject* RE_rayobject_blibvh_create(int size); /* BLI_kdopbvh.c */ -RayObject* RE_rayobject_vbvh_create(int size); /* raytrace/rayobject_vbvh.c */ -RayObject* RE_rayobject_svbvh_create(int size); /* raytrace/rayobject_svbvh.c */ -RayObject* RE_rayobject_qbvh_create(int size); /* raytrace/rayobject_qbvh.c */ - - -/* - * This ray object represents a triangle or a quad face. - * All data needed to realize intersection is "localy" available. - */ -typedef struct RayFace -{ - float v1[4], v2[4], v3[4], v4[3]; - int quad; - void *ob; - void *face; - -} RayFace; - -#define RE_rayface_isQuad(a) ((a)->quad) - -RayObject* RE_rayface_from_vlak(RayFace *face, struct ObjectInstanceRen *obi, struct VlakRen *vlr); -RayObject* RE_rayface_from_coords(RayFace *rayface, void *ob, void *face, float *co1, float *co2, float *co3, float *co4); - - -/* - * This ray object represents faces directly from a given VlakRen structure. - * Thus allowing to save memory, but making code triangle intersection dependant on render structures - */ -typedef struct VlakPrimitive -{ - struct ObjectInstanceRen *ob; - struct VlakRen *face; -} VlakPrimitive; - -RayObject* RE_vlakprimitive_from_vlak(VlakPrimitive *face, struct ObjectInstanceRen *obi, struct VlakRen *vlr); - - - -/* - * Raytrace hints - */ -typedef struct LCTSHint LCTSHint; -struct LCTSHint -{ - int size; - RayObject *stack[RE_RAY_LCTS_MAX_SIZE]; -}; - -struct RayHint -{ - union - { - LCTSHint lcts; - } data; -}; - - -/* Ray Intersection */ -struct Isect -{ - float start[3]; - float vec[3]; - float labda; - - /* length of vec, configured by RE_rayobject_raycast */ - int bv_index[6]; - float idot_axis[3]; - float dist; - -/* float end[3]; - not used */ - - float u, v; - - struct - { - void *ob; - void *face; - } - hit, orig; - - RayObject *last_hit; /* last hit optimization */ - -#ifdef RT_USE_HINT - RayTraceHint *hint, *hit_hint; -#endif - - short isect; /* which half of quad */ - short mode; /* RE_RAY_SHADOW, RE_RAY_MIRROR, RE_RAY_SHADOW_TRA */ - int lay; /* -1 default, set for layer lamps */ - - int skip; /* RE_SKIP_CULLFACE */ - - float col[4]; /* RGBA for shadow_tra */ - - void *userdata; - - RayHint *hint; - -#ifdef RE_RAYCOUNTER - RayCounter *raycounter; -#endif -}; - -/* ray types */ -#define RE_RAY_SHADOW 0 -#define RE_RAY_MIRROR 1 -#define RE_RAY_SHADOW_TRA 2 - -/* skip options */ -#define RE_SKIP_CULLFACE (1 << 0) - -/* if using this flag then *face should be a pointer to a VlakRen */ -#define RE_SKIP_VLR_NEIGHBOUR (1 << 1) -#define RE_SKIP_VLR_RENDER_CHECK (1 << 2) -#define RE_SKIP_VLR_NON_SOLID_MATERIAL (1 << 3) -#define RE_SKIP_VLR_BAKE_CHECK (1 << 4) - -/* TODO use: FLT_MAX? */ -#define RE_RAYTRACE_MAXDIST 1e33 - -#ifdef __cplusplus -} -#endif - - -#endif /*__RE_RAYTRACE_H__*/ |