Commit 7764f8af authored by Alex Converse's avatar Alex Converse

mcomp: Remove an obsolete comment.

This was copied over from VP8. VP9 doesn't seem to do this buffer copy.

Change-Id: I28a8bbf0503a7f99b2cb60620ab3674adde863bb
parent d7947c37
......@@ -145,16 +145,6 @@ void vp10_init3smotion_compensation(search_site_config *cfg, int stride) {
cfg->searches_per_step = 8;
}
/*
* To avoid the penalty for crossing cache-line read, preload the reference
* area in a small buffer, which is aligned to make sure there won't be crossing
* cache-line read while reading from this buffer. This reduced the cpu
* cycles spent on reading ref data in sub-pixel filter functions.
* TODO: Currently, since sub-pixel search range here is -3 ~ 3, copy 22 rows x
* 32 cols area that is enough for 16x16 macroblock. Later, for SPLITMV, we
* could reduce the area.
*/
/* estimated cost of a motion vector (r,c) */
#define MVC(r, c) \
(mvcost ? \
......
......@@ -144,16 +144,6 @@ void vp9_init3smotion_compensation(search_site_config *cfg, int stride) {
cfg->total_steps = ss_count / cfg->searches_per_step;
}
/*
* To avoid the penalty for crossing cache-line read, preload the reference
* area in a small buffer, which is aligned to make sure there won't be crossing
* cache-line read while reading from this buffer. This reduced the cpu
* cycles spent on reading ref data in sub-pixel filter functions.
* TODO: Currently, since sub-pixel search range here is -3 ~ 3, copy 22 rows x
* 32 cols area that is enough for 16x16 macroblock. Later, for SPLITMV, we
* could reduce the area.
*/
/* Estimated (square) error cost of a motion vector (r,c). The 14 scale comes
* from the same math as in mv_err_cost(). */
#define MVC(r, c) \
......
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