Lines Matching defs:last_alpha
184 static inline int decode_alpha_block(const SHQContext *s, GetBitContext *gb, uint8_t last_alpha[16], uint8_t *dest, int linesize)
215 last_alpha[x] -= block[y * 16 + x];
217 memcpy(dest, last_alpha, 16);
295 uint8_t last_alpha[16];
308 memset(last_alpha, 255, sizeof(last_alpha));
334 if ((ret = decode_alpha_block(s, gb, last_alpha, dest_a, linesize_a)) < 0)
336 if ((ret = decode_alpha_block(s, gb, last_alpha, dest_a + 8 * linesize_a, linesize_a)) < 0)
395 uint8_t last_alpha[16];
397 memset(last_alpha, 255, sizeof(last_alpha));
459 if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a, linesize_a)) < 0)
461 if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a + 8 * linesize_a, linesize_a)) < 0)