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Merge branch 'bc4' of https://github.com/ppiastucki/stb into ppiastucki-bc4

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This commit is contained in:
Fabian Giesen 2017-07-22 15:28:27 -07:00
commit e9b8f7ea35
1 changed files with 6 additions and 0 deletions
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6
stb_dxt.h
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@ -36,6 +36,7 @@ extern "C" {
#endif #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_dxt_block(unsigned char *dest, const unsigned char *src_rgba_four_bytes_per_pixel, int alpha, int mode);
void stb_compress_bc4_block(unsigned char *dest, const unsigned char *src_r_one_byte_per_pixel);
void stb_compress_bc5_block(unsigned char *dest, const unsigned char *src_rg_two_byte_per_pixel); void stb_compress_bc5_block(unsigned char *dest, const unsigned char *src_rg_two_byte_per_pixel);
#ifdef __cplusplus #ifdef __cplusplus
@ -636,6 +637,11 @@ void stb_compress_dxt_block(unsigned char *dest, const unsigned char *src, int a
stb__CompressColorBlock(dest,(unsigned char*) src,mode); stb__CompressColorBlock(dest,(unsigned char*) src,mode);
} }
void stb_compress_bc4_block(unsigned char *dest, const unsigned char *src)
{
stb__CompressAlphaBlock(dest,(unsigned char*) src, 1);
}
void stb_compress_bc5_block(unsigned char *dest, const unsigned char *src) void stb_compress_bc5_block(unsigned char *dest, const unsigned char *src)
{ {
stb__CompressAlphaBlock(dest,(unsigned char*) src,2); stb__CompressAlphaBlock(dest,(unsigned char*) src,2);