Lines Matching refs:abits
212 int rbits, bbits, gbits, abits;
218 abits = PICT_FORMAT_A(format);
219 if (abits == 0)
220 abits = PICT_FORMAT_BPP(format) - (rbits+gbits+bbits);
223 *pixel = alpha >> (16 - abits);
242 rshift = abits;
253 *pixel |= (alpha >> (16 - abits)) << ashift;
266 int rbits, bbits, gbits, abits;
272 abits = PICT_FORMAT_A(format);
288 rshift = abits;
289 if (abits == 0)
324 if (abits) {
326 ((pixel >> ashift) & ((1 << abits) - 1)) << (16 - abits);
327 while (abits < 16) {
328 *alpha |= *alpha >> abits;
329 abits <<= 1;