diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-03 14:25:54 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-03 14:32:10 +0000 |
| commit | 239cfb99f9697392d7c25328093e6662ad04bdc9 (patch) | |
| tree | 2ff215f0f4c530e5a9edd476500ee2f93a222b1b | |
| parent | e2542bad88573e590ef4cbeed6b5884166b56adb (diff) | |
sna: Unroll the quadword upload of the glyph data
We know that the length is nicely aligned and so can avoid a relatively
expensive call into memcpy.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_accel.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index b457dd20..95a149eb 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -6877,7 +6877,6 @@ sna_glyph_blt(DrawablePtr drawable, GCPtr gc, do { CharInfoPtr c = *info++; - uint8_t *glyph = FONTGLYPHBITS(base, c); int w = GLYPHWIDTHPIXELS(c); int h = GLYPHHEIGHTPIXELS(c); int w8 = (w + 7) >> 3; @@ -6930,7 +6929,16 @@ sna_glyph_blt(DrawablePtr drawable, GCPtr gc, b[0] = br00 | (1 + len); b[1] = (uint16_t)y1 << 16 | (uint16_t)x1; b[2] = (uint16_t)(y1+h) << 16 | (uint16_t)(x1+w); - memcpy(b+3, glyph, w8*h); + { + uint32_t *glyph = (uint32_t*)c->bits; + b += 3; + do { + *b++ = *glyph++; + *b++ = *glyph++; + + len -= 2; + } while (len); + } if (damage) { BoxRec r; |