diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2015-03-31 11:58:26 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2015-03-31 22:32:25 +0100 |
| commit | 5a872056de61ca8724d5d476783c4dcc8c1a6af7 (patch) | |
| tree | 23e56de1cdc17236c8f10d32ae5e7c3cdb3e6507 /src/sna/gen8_render.c | |
| parent | 1be5b715827ef2bbc75ef795c301a1a7ba6e5f09 (diff) | |
sna/gen6+: Prefer the BLT for small self-copies
Even on GT3, it is preferrential to use the blitter if the copy is small
(due to the latency in execution).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/gen8_render.c')
| -rw-r--r-- | src/sna/gen8_render.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/sna/gen8_render.c b/src/sna/gen8_render.c index b5a4895b..043e268d 100644 --- a/src/sna/gen8_render.c +++ b/src/sna/gen8_render.c @@ -2031,6 +2031,11 @@ try_blt(struct sna *sna, if (sna_picture_is_solid(src, NULL) && can_switch_to_blt(sna, bo, 0)) return true; + if (src->pDrawable == dst->pDrawable && + (sna->render_state.gt < 3 || width*height < 1024) && + can_switch_to_blt(sna, bo, 0)) + return true; + if (src->pDrawable) { struct kgem_bo *s = __sna_drawable_peek_bo(src->pDrawable); if (s == NULL) @@ -2711,9 +2716,9 @@ prefer_blt_copy(struct sna *sna, if (force_blt_ring(sna)) return true; - if (sna->render_state.gt < 3 && - src_bo == dst_bo && - can_switch_to_blt(sna, dst_bo, flags)) + if ((flags & COPY_SMALL || + (sna->render_state.gt < 3 && src_bo == dst_bo)) && + can_switch_to_blt(sna, dst_bo, flags)) return true; if (kgem_bo_is_render(dst_bo) || |