diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-19 19:12:06 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-19 19:12:31 +0000 |
| commit | 3b9479dc39d32fd97f80c1e5e0fac67d36ee5e40 (patch) | |
| tree | 485f27162e1ed5945ad834bcf93cd9999816b62d | |
| parent | 297f7680cfd73ab6eb099adca7aefe00e61c9e85 (diff) | |
sna: Micro-optimise sna_push_pixels_solid_blt()
Unroll the byte reversal as we know the row length is word aligned.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_accel.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index 69e286bf..cfb32c60 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -7979,18 +7979,18 @@ sna_push_pixels_solid_blt(GCPtr gc, break; dst = ptr; - bstride -= bw; src_stride = bitmap->devKind; src = (uint8_t*)bitmap->devPrivate.ptr; src += (box->y1 - region->extents.y1) * src_stride + bx1/8; - src_stride -= bw; + src_stride -= bstride; do { - int i = bw; + int i = bstride; do { *dst++ = byte_reverse(*src++); - } while (--i); - dst += bstride; + *dst++ = byte_reverse(*src++); + i -= 2; + } while (i); src += src_stride; } while (--bh); |