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Lines Matching refs:abits

633 	int rbits, bbits, gbits, abits;
639 	abits = PICT_FORMAT_A(format);
655 		rshift = abits;
656 		if (abits == 0)
691 	if (abits) {
692 		*alpha = ((pixel >> ashift) & ((1 << abits) - 1)) << (16 - abits);
693 		while (abits < 16) {
694 			*alpha |= *alpha >> abits;
695 			abits <<= 1;
711 	int rbits, bbits, gbits, abits;
717 	abits = PICT_FORMAT_A(format);
718 	if (abits == 0)
719 	    abits = PICT_FORMAT_BPP(format) - (rbits+gbits+bbits);
722 		*pixel = alpha >> (16 - abits);
741 		rshift = abits;
751 	*pixel |= (alpha >> (16 - abits)) << ashift;
827 	unsigned int abits;
829 	abits = PICT_FORMAT_A(format);
830 	if (!abits)
835 		return (pixel & ((1 << abits) - 1)) == 0;
838 		unsigned int ashift = PICT_FORMAT_BPP(format) - abits;
847 	unsigned int abits;
849 	abits = PICT_FORMAT_A(format);
850 	if (!abits)
855 		return (pixel & ((1 << abits) - 1)) == (unsigned)((1 << abits) - 1);
858 		unsigned int ashift = PICT_FORMAT_BPP(format) - abits;
859 		return (pixel >> ashift) == (unsigned)((1 << abits) - 1);