tornavis/source/blender/blenkernel/BKE_volume_render.h

63 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bke
* \brief Volume data-block rendering and viewport drawing utilities.
*/
#include "BLI_sys_types.h"
#include "DNA_volume_types.h"
#ifdef __cplusplus
extern "C" {
#endif
struct Volume;
struct VolumeGrid;
/* Dense Voxels */
typedef struct DenseFloatVolumeGrid {
VolumeGridType type;
int resolution[3];
float texture_to_object[4][4];
int channels;
float *voxels;
} DenseFloatVolumeGrid;
bool BKE_volume_grid_dense_floats(const struct Volume *volume,
const struct VolumeGrid *volume_grid,
DenseFloatVolumeGrid *r_dense_grid);
void BKE_volume_dense_float_grid_clear(DenseFloatVolumeGrid *dense_grid);
/* Wireframe */
typedef void (*BKE_volume_wireframe_cb)(
void *userdata, const float (*verts)[3], const int (*edges)[2], int totvert, int totedge);
void BKE_volume_grid_wireframe(const struct Volume *volume,
const struct VolumeGrid *volume_grid,
BKE_volume_wireframe_cb cb,
void *cb_userdata);
/* Selection Surface */
typedef void (*BKE_volume_selection_surface_cb)(
void *userdata, float (*verts)[3], int (*tris)[3], int totvert, int tottris);
void BKE_volume_grid_selection_surface(const struct Volume *volume,
const struct VolumeGrid *volume_grid,
BKE_volume_selection_surface_cb cb,
void *cb_userdata);
/* Render */
float BKE_volume_density_scale(const struct Volume *volume, const float matrix[4][4]);
#ifdef __cplusplus
}
#endif