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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) 2005 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*/
#pragma once
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
struct BMesh;
struct CCGElem;
struct CCGKey;
struct DMFlagMat;
struct GSet;
struct TableGSet;
struct MLoop;
struct MLoopCol;
struct MLoopTri;
struct MPoly;
struct MPropCol;
struct MVert;
struct Mesh;
struct PBVH;
struct SubdivCCG;
struct CustomData;
/* Buffers for drawing from PBVH grids. */
typedef struct GPU_PBVH_Buffers GPU_PBVH_Buffers;
/* Build must be called once before using the other functions, used every time
* mesh topology changes. Threaded. */
GPU_PBVH_Buffers *GPU_pbvh_mesh_buffers_build(const struct MPoly *mpoly,
const struct MLoop *mloop,
const struct MLoopTri *looptri,
const struct MVert *mvert,
const int *face_indices,
const int *sculpt_face_sets,
const int face_indices_len,
const struct Mesh *mesh);
GPU_PBVH_Buffers *GPU_pbvh_grid_buffers_build(int totgrid, unsigned int **grid_hidden);
GPU_PBVH_Buffers *GPU_pbvh_bmesh_buffers_build(bool smooth_shading);
/* Free part of data for update. Not thread safe, must run in OpenGL main thread. */
void GPU_pbvh_bmesh_buffers_update_free(GPU_PBVH_Buffers *buffers);
void GPU_pbvh_grid_buffers_update_free(GPU_PBVH_Buffers *buffers,
const struct DMFlagMat *grid_flag_mats,
const int *grid_indices);
/* Update mesh buffers without topology changes. Threaded. */
enum {
GPU_PBVH_BUFFERS_SHOW_MASK = (1 << 1),
GPU_PBVH_BUFFERS_SHOW_VCOL = (1 << 2),
GPU_PBVH_BUFFERS_SHOW_SCULPT_FACE_SETS = (1 << 3),
};
void GPU_pbvh_mesh_buffers_update(GPU_PBVH_Buffers *buffers,
const struct MVert *mvert,
const float *vmask,
const struct MLoopCol *vcol,
const int *sculpt_face_sets,
const int face_sets_color_seed,
const int face_sets_color_default,
const struct MPropCol *vtcol,
const int update_flags);
void GPU_pbvh_update_attribute_names(struct CustomData *vdata,
struct CustomData *ldata,
bool need_full_render);
void GPU_pbvh_bmesh_buffers_update(GPU_PBVH_Buffers *buffers,
struct BMesh *bm,
struct TableGSet *bm_faces,
struct TableGSet *bm_unique_verts,
struct TableGSet *bm_other_verts,
struct PBVHTriBuf *tribuf,
const int update_flags,
const int cd_vert_node_offset,
int face_sets_color_seed,
int face_sets_color_default,
bool flat_vcol,
short mat_nr);
void GPU_pbvh_grid_buffers_update(GPU_PBVH_Buffers *buffers,
struct SubdivCCG *subdiv_ccg,
struct CCGElem **grids,
const struct DMFlagMat *grid_flag_mats,
int *grid_indices,
int totgrid,
const int *sculpt_face_sets,
const int face_sets_color_seed,
const int face_sets_color_default,
const struct CCGKey *key,
const int update_flags);
/* Finish update. Not thread safe, must run in OpenGL main thread. */
void GPU_pbvh_buffers_update_flush(GPU_PBVH_Buffers *buffers);
/* Free buffers. Not thread safe, must run in OpenGL main thread. */
void GPU_pbvh_buffers_free(GPU_PBVH_Buffers *buffers);
/* draw */
struct GPUBatch *GPU_pbvh_buffers_batch_get(GPU_PBVH_Buffers *buffers, bool fast, bool wires);
short GPU_pbvh_buffers_material_index_get(GPU_PBVH_Buffers *buffers);
bool GPU_pbvh_buffers_has_overlays(GPU_PBVH_Buffers *buffers);
float *GPU_pbvh_get_extra_matrix(GPU_PBVH_Buffers *buffers);
/** if need_full_render is false, only the active (not render!) vcol layer will
be uploaded to GPU*/
void GPU_pbvh_need_full_render_set(bool state);
bool GPU_pbvh_need_full_render_get(void);
#ifdef __cplusplus
}
#endif
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