Brecht Van Lommel
dd4a268221
It's closer to the default matcap now, but slightly less metallic and dark. The reason to use studio lights as default is because the roughness and metallic parameters of the material then have an effect, and because Texture color mode does not work for matcaps.
154 lines
5.4 KiB
C++
154 lines
5.4 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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#ifndef __BKE_STUDIOLIGHT_H__
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#define __BKE_STUDIOLIGHT_H__
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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 "BKE_context.h"
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#include "BLI_sys_types.h"
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#include "DNA_space_types.h"
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#include "DNA_userdef_types.h"
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#include "IMB_imbuf_types.h"
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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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};
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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 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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ImBuf *equirect_radiance_buffer;
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ImBuf *equirect_irradiance_buffer;
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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 orientation);
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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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#endif /* __BKE_STUDIOLIGHT_H__ */
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