[Pixman] [PATCH 2/4] pixman-fast-path: enable over_n_8888
Pekka Paalanen
ppaalanen at gmail.com
Thu Aug 20 06:58:46 PDT 2015
From: Pekka Paalanen <pekka.paalanen at collabora.co.uk>
Enable the fast path added in the previous patch by moving the lookup
table entries to their proper locations.
Lowlevel-blt-bench benchmark statistics with 30 iterations, showing the
effect of adding this one patch on top of
"pixman-fast-path: Add over_n_8888 fast path (disabled)".
Before After
Mean StdDev Mean StdDev Confidence Change
L1 12.5 0.03 21.2 0.05 100.00% +69.5%
L2 11.1 0.02 17.4 0.01 100.00% +57.3%
M 9.4 0.00 13.6 0.00 100.00% +45.1%
HT 8.5 0.02 12.2 0.02 100.00% +43.0%
VT 8.4 0.02 11.9 0.02 100.00% +41.7%
R 8.2 0.01 11.5 0.02 100.00% +40.5%
RT 5.5 0.05 7.6 0.08 100.00% +39.1%
Signed-off-by: Pekka Paalanen <pekka.paalanen at collabora.co.uk>
---
pixman/pixman-fast-path.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/pixman/pixman-fast-path.c b/pixman/pixman-fast-path.c
index 6803037..1f96f56 100644
--- a/pixman/pixman-fast-path.c
+++ b/pixman/pixman-fast-path.c
@@ -1869,9 +1869,13 @@ static const pixman_fast_path_t c_fast_paths[] =
PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, a8r8g8b8, fast_composite_over_x888_8_8888),
PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, x8b8g8r8, fast_composite_over_x888_8_8888),
PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, a8b8g8r8, fast_composite_over_x888_8_8888),
+ PIXMAN_STD_FAST_PATH (OVER, solid, null, a8r8g8b8, fast_composite_over_n_8888),
+ PIXMAN_STD_FAST_PATH (OVER, solid, null, x8r8g8b8, fast_composite_over_n_8888),
PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, fast_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, fast_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, fast_composite_over_8888_0565),
+ PIXMAN_STD_FAST_PATH (OVER, solid, null, a8b8g8r8, fast_composite_over_n_8888),
+ PIXMAN_STD_FAST_PATH (OVER, solid, null, x8b8g8r8, fast_composite_over_n_8888),
PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888),
PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565),
@@ -2003,11 +2007,6 @@ static const pixman_fast_path_t c_fast_paths[] =
},
{ PIXMAN_OP_NONE },
-
- PIXMAN_STD_FAST_PATH (OVER, solid, null, a8r8g8b8, fast_composite_over_n_8888),
- PIXMAN_STD_FAST_PATH (OVER, solid, null, x8r8g8b8, fast_composite_over_n_8888),
- PIXMAN_STD_FAST_PATH (OVER, solid, null, a8b8g8r8, fast_composite_over_n_8888),
- PIXMAN_STD_FAST_PATH (OVER, solid, null, x8b8g8r8, fast_composite_over_n_8888),
};
#ifdef WORDS_BIGENDIAN
--
2.4.6
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