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intrapred: sync highbd_d45_predictor w/d45_

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8/16/32:: ~19%/~54%/~75.5% faster

previously:
acc481eaa vp9_reconintra: simplify d45_predictor

BUG=webm:1411

Change-Id: Ie8340b0c5070ae640f124733f025e4e749b660d8
This commit is contained in:
James Zern 2017-09-08 18:52:01 -07:00
parent 9a2dd7e67e
commit 5c95fd921e
1 changed files with 12 additions and 7 deletions
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17
vpx_dsp/intrapred.c
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@ -504,15 +504,20 @@ static INLINE void highbd_d63_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
static INLINE void highbd_d45_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
const uint16_t *above,
const uint16_t *left, int bd) {
int r, c;
const uint16_t above_right = above[bs - 1];
const uint16_t *const dst_row0 = dst;
int x, size;
(void)left;
(void)bd;
for (r = 0; r < bs; ++r) {
for (c = 0; c < bs; ++c) {
dst[c] = r + c + 2 < bs * 2
? AVG3(above[r + c], above[r + c + 1], above[r + c + 2])
: above[bs * 2 - 1];
for (x = 0; x < bs - 1; ++x) {
dst[x] = AVG3(above[x], above[x + 1], above[x + 2]);
}
dst[bs - 1] = above_right;
dst += stride;
for (x = 1, size = bs - 2; x < bs; ++x, --size) {
memcpy(dst, dst_row0 + x, size * sizeof(*dst));
vpx_memset16(dst + size, above_right, x + 1);
dst += stride;
}
}