forked from eden-emu/eden
		
	
		
			
	
	
		
			37 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			37 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|   | // SPDX-FileCopyrightText: fabian "ryg" giesen
 | ||
|  | // SPDX-License-Identifier: MIT
 | ||
|  | 
 | ||
|  | // stb_dxt.h - v1.12 - DXT1/DXT5 compressor
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|  | 
 | ||
|  | #ifndef STB_INCLUDE_STB_DXT_H
 | ||
|  | #define STB_INCLUDE_STB_DXT_H
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|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | extern "C" { | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #ifdef STB_DXT_STATIC
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|  | #define STBDDEF static
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|  | #else
 | ||
|  | #define STBDDEF extern
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|  | #endif
 | ||
|  | 
 | ||
|  | // compression mode (bitflags)
 | ||
|  | #define STB_DXT_NORMAL 0
 | ||
|  | #define STB_DXT_DITHER 1 // use dithering. was always dubious, now deprecated. does nothing!
 | ||
|  | #define STB_DXT_HIGHQUAL                                                                           \
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|  |     2 // high quality mode, does two refinement steps instead of 1. ~30-40% slower.
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|  | 
 | ||
|  | STBDDEF void stb_compress_bc1_block(unsigned char* dest, | ||
|  |                                     const unsigned char* src_rgba_four_bytes_per_pixel, int alpha, | ||
|  |                                     int mode); | ||
|  | 
 | ||
|  | STBDDEF void stb_compress_bc3_block(unsigned char* dest, const unsigned char* src, int mode); | ||
|  | 
 | ||
|  | #define STB_COMPRESS_DXT_BLOCK
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|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | } | ||
|  | #endif
 | ||
|  | #endif // STB_INCLUDE_STB_DXT_H
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