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added basic 3Dc support

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This commit is contained in:
snake5 2016-11-26 16:45:40 +02:00
parent 996ccf2159
commit cd93a5de11
1 changed files with 7 additions and 0 deletions
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7
stb_dxt.h
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@ -32,6 +32,7 @@
#define STB_DXT_HIGHQUAL 2 // high quality mode, does two refinement steps instead of 1. ~30-40% slower.
void stb_compress_dxt_block(unsigned char *dest, const unsigned char *src, int alpha, int mode);
void stb_compress_3dc_block_rgxx8(unsigned char *dest, const unsigned char *src, int mode);
#define STB_COMPRESS_DXT_BLOCK
#ifdef STB_DXT_IMPLEMENTATION
@ -625,6 +626,12 @@ void stb_compress_dxt_block(unsigned char *dest, const unsigned char *src, int a
stb__CompressColorBlock(dest,(unsigned char*) src,mode);
}
void stb_compress_3dc_block_rgxx8(unsigned char *dest, const unsigned char *src, int mode)
{
stb__CompressAlphaBlock(dest,(unsigned char*) src - 3,mode);
stb__CompressAlphaBlock(dest + 8,(unsigned char*) src - 2,mode);
}
#endif // STB_DXT_IMPLEMENTATION
#endif // STB_INCLUDE_STB_DXT_H