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stb_dxt: extern "C"

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This commit is contained in:
Sean Barrett 2017-03-03 08:57:34 -08:00
parent 4ce23da44a
commit 6ba52a370c
1 changed files with 10 additions and 1 deletions
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11
stb_dxt.h
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@ -9,7 +9,7 @@
// and "high quality" using mode.
//
// version history:
// v1.05 - (stb) support bc5/3dc (Arvids Kokins)
// v1.05 - (stb) support bc5/3dc (Arvids Kokins), use extern "C" in C++ (Pavel Krajcevski)
// v1.04 - (ryg) default to no rounding bias for lerped colors (as per S3TC/DX10 spec);
// single color match fix (allow for inexact color interpolation);
// optimal DXT5 index finder; "high quality" mode that runs multiple refinement steps.
@ -30,8 +30,17 @@
#define STB_DXT_DITHER 1 // use dithering. dubious win. never use for normal maps and the like!
#define STB_DXT_HIGHQUAL 2 // high quality mode, does two refinement steps instead of 1. ~30-40% slower.
#ifdef __cplusplus
extern "C" {
#endif
void stb_compress_dxt_block(unsigned char *dest, const unsigned char *src_rgba_four_bytes_per_pixel, int alpha, int mode);
void stb_compress_bc5_block(unsigned char *dest, const unsigned char *src_rg_two_byte_per_pixel, int mode);
#ifdef __cplusplus
}
#endif
#define STB_COMPRESS_DXT_BLOCK
#ifdef STB_DXT_IMPLEMENTATION