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authorGrigori Goronzy <greg@chown.ath.cx>2012-07-27 17:31:53 +0200
committerGrigori Goronzy <greg@chown.ath.cx>2013-07-22 05:05:43 +0200
commit5bb04351c43a91a1d60348b7293544da05d75e72 (patch)
treef61b98d20b56c080e6183c499a4240a52554505f /src
parentc08e09b7bec441c4bf93b4cae4de1260754bf940 (diff)
EXA/evergreen/ni: optimize non-overlapping Copy
In case dst and src rectangles of a Copy operation in the same surface don't overlap, it is safe to skip the scratch surface. This is a common case.
Diffstat (limited to 'src')
-rw-r--r--src/evergreen_exa.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/evergreen_exa.c b/src/evergreen_exa.c
index 86f455de..2cdce0f5 100644
--- a/src/evergreen_exa.c
+++ b/src/evergreen_exa.c
@@ -575,7 +575,12 @@ EVERGREENCopy(PixmapPtr pDst,
if (accel_state->vsync)
RADEONVlineHelperSet(pScrn, dstX, dstY, dstX + w, dstY + h);
- if (accel_state->same_surface && accel_state->copy_area) {
+ if (accel_state->same_surface &&
+ (srcX + w <= dstX || dstX + w <= srcX || srcY + h <= dstY || dstY + h <= srcY)) {
+ EVERGREENDoPrepareCopy(pScrn);
+ EVERGREENAppendCopyVertex(pScrn, srcX, srcY, dstX, dstY, w, h);
+ EVERGREENDoCopyVline(pDst);
+ } else if (accel_state->same_surface && accel_state->copy_area) {
uint32_t orig_dst_domain = accel_state->dst_obj.domain;
uint32_t orig_src_domain = accel_state->src_obj[0].domain;
uint32_t orig_src_tiling_flags = accel_state->src_obj[0].tiling_flags;