76 lines
3.9 KiB
C
76 lines
3.9 KiB
C
/*
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* DDS PIKA plugin
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*
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* Copyright (C) 2004-2012 Shawn Kirst <skirst@gmail.com>,
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* with parts (C) 2003 Arne Reuter <homepage@arnereuter.de> where specified.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (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, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __MIPMAP_H__
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#define __MIPMAP_H__
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int get_num_mipmaps (int width,
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int height);
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unsigned int get_mipmapped_size (int width,
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int height,
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int bpp,
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int level,
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int num,
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int format);
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unsigned int get_volume_mipmapped_size (int width,
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int height,
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int depth,
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int bpp,
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int level,
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int num,
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int format);
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int get_next_mipmap_dimensions (int *next_w,
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int *next_h,
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int curr_w,
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int curr_h);
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float cubic_interpolate (float a,
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float b,
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float c,
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float d,
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float x);
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int generate_mipmaps (unsigned char *dst,
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unsigned char *src,
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unsigned int width,
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unsigned int height,
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int bpp,
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int indexed,
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int mipmaps,
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int filter,
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int wrap,
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int gamma_correct,
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float gamma,
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int preserve_alpha_test_coverage,
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float alpha_test_threshold);
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int generate_volume_mipmaps (unsigned char *dst,
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unsigned char *src,
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unsigned int width,
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unsigned int height,
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unsigned int depth,
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int bpp,
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int indexed,
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int mipmaps,
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int filter,
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int wrap,
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int gamma_correct,
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float gamma);
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#endif /* __MIPMAP_H__ */
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