34 	int i = ( int )( a + 0.5f );  in FloatToInt()  local
37 	if( i < 0 )  in FloatToInt()
38 		i = 0;  in FloatToInt()
39 	else if( i > limit )  in FloatToInt()
40 		i = limit;  in FloatToInt()
43 	return i;  in FloatToInt()
51 	for( int i = 0; i < 8; ++i )  in CompressAlphaDxt3()  local
54 		float alpha1 = ( float )rgba[8*i + 3] * ( 15.0f/255.0f );  in CompressAlphaDxt3()
55 		float alpha2 = ( float )rgba[8*i + 7] * ( 15.0f/255.0f );  in CompressAlphaDxt3()
60 		int bit1 = 1 << ( 2*i );  in CompressAlphaDxt3()
61 		int bit2 = 1 << ( 2*i + 1 );  in CompressAlphaDxt3()
68 		bytes[i] = ( u8 )( quant1 | ( quant2 << 4 ) );  in CompressAlphaDxt3()
77 	for( int i = 0; i < 8; ++i )  in DecompressAlphaDxt3()  local
80 		u8 quant = bytes[i];  in DecompressAlphaDxt3()
87 		rgba[8*i + 3] = lo | ( lo << 4 );  in DecompressAlphaDxt3()
88 		rgba[8*i + 7] = hi | ( hi >> 4 );  in DecompressAlphaDxt3()
104 	for( int i = 0; i < 16; ++i )  in FitCodes()  local
107 		int bit = 1 << i;  in FitCodes()
111 			indices[i] = 0;  in FitCodes()
116 		int value = rgba[4*i + 3];  in FitCodes()
134 		indices[i] = ( u8 )index;  in FitCodes()
153 	for( int i = 0; i < 2; ++i )  in WriteAlphaBlock()  local
179 		for( int i = 0; i < 16; ++i )  in WriteAlphaBlock5()  local
181 			u8 index = indices[i];  in WriteAlphaBlock5()
183 				swapped[i] = 1;  in WriteAlphaBlock5()
185 				swapped[i] = 0;  in WriteAlphaBlock5()
187 				swapped[i] = 7 - index;  in WriteAlphaBlock5()
189 				swapped[i] = index;  in WriteAlphaBlock5()
209 		for( int i = 0; i < 16; ++i )  in WriteAlphaBlock7()  local
211 			u8 index = indices[i];  in WriteAlphaBlock7()
213 				swapped[i] = 1;  in WriteAlphaBlock7()
215 				swapped[i] = 0;  in WriteAlphaBlock7()
217 				swapped[i] = 9 - index;  in WriteAlphaBlock7()
237 	for( int i = 0; i < 16; ++i )  in CompressAlphaDxt5()  local
240 		int bit = 1 << i;  in CompressAlphaDxt5()
245 		int value = rgba[4*i + 3];  in CompressAlphaDxt5()
270 	for( int i = 1; i < 5; ++i )  in CompressAlphaDxt5()  local
271 		codes5[1 + i] = ( u8 )( ( ( 5 - i )*min5 + i*max5 )/5 );  in CompressAlphaDxt5()
279 	for( int i = 1; i < 7; ++i )  in CompressAlphaDxt5()  local
280 		codes7[1 + i] = ( u8 )( ( ( 7 - i )*min7 + i*max7 )/7 );  in CompressAlphaDxt5()
309 		for( int i = 1; i < 5; ++i )  in DecompressAlphaDxt5()  local
310 			codes[1 + i] = ( u8 )( ( ( 5 - i )*alpha0 + i*alpha1 )/5 );  in DecompressAlphaDxt5()
317 		for( int i = 1; i < 7; ++i )  in DecompressAlphaDxt5()  local
318 			codes[1 + i] = ( u8 )( ( ( 7 - i )*alpha0 + i*alpha1 )/7 );  in DecompressAlphaDxt5()
325 	for( int i = 0; i < 2; ++i )  in DecompressAlphaDxt5()  local
344 	for( int i = 0; i < 16; ++i )  in DecompressAlphaDxt5()  local
345 		rgba[4*i + 3] = codes[indices[i]];  in DecompressAlphaDxt5()