Lines Matching refs:alpha1
54 float alpha1 = ( float )rgba[8*i + 3] * ( 15.0f/255.0f ); in CompressAlphaDxt3() local
56 int quant1 = FloatToInt( alpha1, 15 ); in CompressAlphaDxt3()
142 static void WriteAlphaBlock( int alpha0, int alpha1, u8 const* indices, void* block ) in WriteAlphaBlock() argument
148 bytes[1] = ( u8 )alpha1; in WriteAlphaBlock()
172 static void WriteAlphaBlock5( int alpha0, int alpha1, u8 const* indices, void* block ) in WriteAlphaBlock5() argument
175 if( alpha0 > alpha1 ) in WriteAlphaBlock5()
193 WriteAlphaBlock( alpha1, alpha0, swapped, block ); in WriteAlphaBlock5()
198 WriteAlphaBlock( alpha0, alpha1, indices, block ); in WriteAlphaBlock5()
202 static void WriteAlphaBlock7( int alpha0, int alpha1, u8 const* indices, void* block ) in WriteAlphaBlock7() argument
205 if( alpha0 < alpha1 ) in WriteAlphaBlock7()
221 WriteAlphaBlock( alpha1, alpha0, swapped, block ); in WriteAlphaBlock7()
226 WriteAlphaBlock( alpha0, alpha1, indices, block ); in WriteAlphaBlock7()
300 int alpha1 = bytes[1]; in DecompressAlphaDxt5() local
305 codes[1] = ( u8 )alpha1; in DecompressAlphaDxt5()
306 if( alpha0 <= alpha1 ) in DecompressAlphaDxt5()
310 codes[1 + i] = ( u8 )( ( ( 5 - i )*alpha0 + i*alpha1 )/5 ); in DecompressAlphaDxt5()
318 codes[1 + i] = ( u8 )( ( ( 7 - i )*alpha0 + i*alpha1 )/7 ); in DecompressAlphaDxt5()