170 lines
5.7 KiB
C++
170 lines
5.7 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2006-2007 Blender Foundation.
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* All rights reserved.
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*/
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#pragma once
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/** \file
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* \ingroup bke
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*
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* Studio lighting for the 3dview
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*/
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#include "BLI_sys_types.h"
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#include "BLI_path_util.h"
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#include "DNA_userdef_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ImBuf;
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/*
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* These defines are the indexes in the StudioLight.diffuse_light
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* X_POS means the light that is traveling towards the positive X
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* So Light direction.
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*/
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#define STUDIOLIGHT_X_POS 0
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#define STUDIOLIGHT_X_NEG 1
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#define STUDIOLIGHT_Y_POS 2
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#define STUDIOLIGHT_Y_NEG 3
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#define STUDIOLIGHT_Z_POS 4
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#define STUDIOLIGHT_Z_NEG 5
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#define STUDIOLIGHT_ICON_ID_TYPE_RADIANCE (1 << 0)
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#define STUDIOLIGHT_ICON_ID_TYPE_IRRADIANCE (1 << 1)
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#define STUDIOLIGHT_ICON_ID_TYPE_MATCAP (1 << 2)
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#define STUDIOLIGHT_ICON_ID_TYPE_MATCAP_FLIPPED (1 << 3)
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#define STUDIOLIGHT_MAX_LIGHT 4
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#define STUDIOLIGHT_ICON_SIZE 96
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/* Only 1 - 5 is supported */
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#define STUDIOLIGHT_SH_BANDS 2
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#define STUDIOLIGHT_SH_COEFS_LEN (STUDIOLIGHT_SH_BANDS * STUDIOLIGHT_SH_BANDS)
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#if STUDIOLIGHT_SH_BANDS > 3
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/* Bypass L3 */
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# define STUDIOLIGHT_SH_EFFECTIVE_COEFS_LEN (STUDIOLIGHT_SH_COEFS_LEN - 7)
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#else
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# define STUDIOLIGHT_SH_EFFECTIVE_COEFS_LEN STUDIOLIGHT_SH_COEFS_LEN
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#endif
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struct GPUTexture;
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struct StudioLight;
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/* StudioLight.flag */
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enum StudioLightFlag {
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STUDIOLIGHT_SPHERICAL_HARMONICS_COEFFICIENTS_CALCULATED = (1 << 0),
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/* STUDIOLIGHT_LIGHT_DIRECTION_CALCULATED = (1 << 1), */
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STUDIOLIGHT_INTERNAL = (1 << 2),
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STUDIOLIGHT_EXTERNAL_FILE = (1 << 3),
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STUDIOLIGHT_TYPE_STUDIO = (1 << 4),
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STUDIOLIGHT_TYPE_WORLD = (1 << 5),
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STUDIOLIGHT_TYPE_MATCAP = (1 << 6),
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STUDIOLIGHT_EXTERNAL_IMAGE_LOADED = (1 << 7),
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STUDIOLIGHT_EQUIRECT_IRRADIANCE_IMAGE_CALCULATED = (1 << 8),
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STUDIOLIGHT_EQUIRECT_RADIANCE_GPUTEXTURE = (1 << 9),
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STUDIOLIGHT_EQUIRECT_IRRADIANCE_GPUTEXTURE = (1 << 10),
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STUDIOLIGHT_RADIANCE_BUFFERS_CALCULATED = (1 << 11),
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STUDIOLIGHT_USER_DEFINED = (1 << 12),
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STUDIOLIGHT_UI_EXPANDED = (1 << 13),
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STUDIOLIGHT_MATCAP_DIFFUSE_GPUTEXTURE = (1 << 14),
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STUDIOLIGHT_MATCAP_SPECULAR_GPUTEXTURE = (1 << 15),
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/* Is set for studio lights and matcaps with specular highlight pass. */
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STUDIOLIGHT_SPECULAR_HIGHLIGHT_PASS = (1 << 16),
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};
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#define STUDIOLIGHT_FLAG_ALL (STUDIOLIGHT_INTERNAL | STUDIOLIGHT_EXTERNAL_FILE)
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#define STUDIOLIGHT_FLAG_ORIENTATIONS \
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(STUDIOLIGHT_TYPE_STUDIO | STUDIOLIGHT_TYPE_WORLD | STUDIOLIGHT_TYPE_MATCAP)
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#define STUDIOLIGHT_ORIENTATIONS_MATERIAL_MODE (STUDIOLIGHT_TYPE_WORLD)
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#define STUDIOLIGHT_ORIENTATIONS_SOLID (STUDIOLIGHT_INTERNAL | STUDIOLIGHT_TYPE_STUDIO)
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typedef void StudioLightFreeFunction(struct StudioLight *, void *data);
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typedef struct StudioLightImage {
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struct ImBuf *ibuf;
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struct GPUTexture *gputexture;
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} StudioLightImage;
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typedef struct StudioLight {
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struct StudioLight *next, *prev;
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int index;
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int flag;
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char name[FILE_MAXFILE];
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char path[FILE_MAX];
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char *path_irr_cache;
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char *path_sh_cache;
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int icon_id_irradiance;
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int icon_id_radiance;
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int icon_id_matcap;
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int icon_id_matcap_flipped;
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float spherical_harmonics_coefs[STUDIOLIGHT_SH_EFFECTIVE_COEFS_LEN][3];
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float light_direction[3];
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StudioLightImage matcap_diffuse;
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StudioLightImage matcap_specular;
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struct ImBuf *equirect_radiance_buffer;
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struct ImBuf *equirect_irradiance_buffer;
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struct ImBuf *radiance_cubemap_buffers[6];
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struct GPUTexture *equirect_radiance_gputexture;
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struct GPUTexture *equirect_irradiance_gputexture;
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SolidLight light[STUDIOLIGHT_MAX_LIGHT];
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float light_ambient[3];
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/*
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* Free function to clean up the running icons previews (wmJob) the usage is in
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* interface_icons. Please be aware that this was build to handle only one free function
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* that cleans up all icons. just to keep the code simple.
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*/
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StudioLightFreeFunction *free_function;
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void *free_function_data;
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} StudioLight;
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void BKE_studiolight_init(void);
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void BKE_studiolight_free(void);
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void BKE_studiolight_default(SolidLight lights[4], float light_ambient[4]);
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struct StudioLight *BKE_studiolight_find(const char *name, int flag);
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struct StudioLight *BKE_studiolight_findindex(int index, int flag);
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struct StudioLight *BKE_studiolight_find_default(int flag);
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void BKE_studiolight_preview(uint *icon_buffer, StudioLight *sl, int icon_id_type);
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struct ListBase *BKE_studiolight_listbase(void);
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void BKE_studiolight_ensure_flag(StudioLight *sl, int flag);
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void BKE_studiolight_refresh(void);
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StudioLight *BKE_studiolight_load(const char *path, int type);
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StudioLight *BKE_studiolight_create(const char *path,
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const SolidLight light[4],
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const float light_ambient[3]);
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StudioLight *BKE_studiolight_studio_edit_get(void);
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void BKE_studiolight_remove(StudioLight *sl);
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void BKE_studiolight_set_free_function(StudioLight *sl,
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StudioLightFreeFunction *free_function,
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void *data);
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void BKE_studiolight_unset_icon_id(StudioLight *sl, int icon_id);
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#ifdef __cplusplus
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}
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#endif
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