Lines Matching refs:abits
213 int rbits, bbits, gbits, abits;
219 abits = PICT_FORMAT_A(format);
220 if (abits == 0)
221 abits = PICT_FORMAT_BPP(format) - (rbits+gbits+bbits);
224 *pixel = alpha >> (16 - abits);
244 rshift = abits;
256 *pixel |= (alpha >> (16 - abits)) << ashift;
269 int rbits, bbits, gbits, abits;
275 abits = PICT_FORMAT_A(format);
292 rshift = abits;
293 if (abits == 0)
329 if (abits) {
331 ((pixel >> ashift) & ((1 << abits) - 1)) << (16 - abits);
332 while (abits < 16) {
333 *alpha |= *alpha >> abits;
334 abits <<= 1;