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/*
* 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) 2010 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup render
*/
#ifndef __RE_BAKE_H__
#define __RE_BAKE_H__
struct Depsgraph;
struct ImBuf;
struct Mesh;
struct Render;
typedef struct BakeImage {
struct Image *image;
int width;
int height;
size_t offset;
} BakeImage;
typedef struct BakeImages {
BakeImage *data; /* all the images of an object */
int *lookup; /* lookup table from Material to BakeImage */
int size;
} BakeImages;
typedef struct BakePixel {
int primitive_id, object_id;
float uv[2];
float du_dx, du_dy;
float dv_dx, dv_dy;
} BakePixel;
typedef struct BakeHighPolyData {
struct Object *ob;
struct Object *ob_eval;
struct Mesh *me;
bool is_flip_object;
float obmat[4][4];
float imat[4][4];
} BakeHighPolyData;
/* external_engine.c */
bool RE_bake_has_engine(struct Render *re);
bool RE_bake_engine(struct Render *re,
struct Depsgraph *depsgraph,
struct Object *object,
const int object_id,
const BakePixel pixel_array[],
const size_t num_pixels,
const int depth,
const eScenePassType pass_type,
const int pass_filter,
float result[]);
/* bake.c */
int RE_pass_depth(const eScenePassType pass_type);
bool RE_bake_pixels_populate_from_objects(struct Mesh *me_low,
BakePixel pixel_array_from[],
BakePixel pixel_array_to[],
BakeHighPolyData highpoly[],
const int tot_highpoly,
const size_t num_pixels,
const bool is_custom_cage,
const float cage_extrusion,
float mat_low[4][4],
float mat_cage[4][4],
struct Mesh *me_cage);
void RE_bake_pixels_populate(struct Mesh *me,
struct BakePixel *pixel_array,
const size_t num_pixels,
const struct BakeImages *bake_images,
const char *uv_layer);
void RE_bake_mask_fill(const BakePixel pixel_array[], const size_t num_pixels, char *mask);
void RE_bake_margin(struct ImBuf *ibuf, char *mask, const int margin);
void RE_bake_normal_world_to_object(const BakePixel pixel_array[],
const size_t num_pixels,
const int depth,
float result[],
struct Object *ob,
const eBakeNormalSwizzle normal_swizzle[3]);
void RE_bake_normal_world_to_tangent(const BakePixel pixel_array[],
const size_t num_pixels,
const int depth,
float result[],
struct Mesh *me,
const eBakeNormalSwizzle normal_swizzle[3],
float mat[4][4]);
void RE_bake_normal_world_to_world(const BakePixel pixel_array[],
const size_t num_pixels,
const int depth,
float result[],
const eBakeNormalSwizzle normal_swizzle[3]);
void RE_bake_ibuf_clear(struct Image *image, const bool is_tangent);
#endif /* __RE_BAKE_H__ */
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