diff options
| author | Ben Avison <bavison@riscosopen.org> | 2014-05-22 15:22:52 +0100 |
|---|---|---|
| committer | Ben Avison <bavison@riscosopen.org> | 2015-10-15 13:55:52 +0100 |
| commit | 9aa45b6dcb75efb797b7a0f7b96569a409a8d18e (patch) | |
| tree | 9971c4046bad343016c527a36d26013b21ca3315 | |
| parent | 93f534440266105fdff7e00f34d021b0ccbf4db3 (diff) | |
pixman-fast-path: Add over_n_0565 fast path
This is a C fast path, useful for reference or for platforms that don't
have their own fast path for this operation.
lowlevel-blt-bench results on ARMv6:
Before After
Mean StdDev Mean StdDev Confidence Change
L1 8.2 0.0 11.3 0.1 100.0% +38.6%
L2 7.9 0.1 10.5 0.0 100.0% +33.3%
M 7.3 0.0 10.0 0.0 100.0% +36.7%
HT 6.9 0.0 9.2 0.0 100.0% +33.3%
VT 6.8 0.0 9.0 0.0 100.0% +32.1%
R 6.6 0.1 8.8 0.0 100.0% +31.8%
RT 4.5 0.1 6.3 0.1 100.0% +39.7%
| -rw-r--r-- | pixman/pixman-fast-path.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/pixman/pixman-fast-path.c b/pixman/pixman-fast-path.c index fccc155..4c099fa 100644 --- a/pixman/pixman-fast-path.c +++ b/pixman/pixman-fast-path.c @@ -1035,6 +1035,39 @@ fast_composite_over_n_1_8888 (pixman_implementation_t *imp, } static void +fast_composite_over_n_0565 (pixman_implementation_t *imp, + pixman_composite_info_t *info) +{ + PIXMAN_COMPOSITE_ARGS (info); + uint32_t src; + uint16_t *dst_line, *dst; + int dst_stride; + int32_t w; + uint32_t d; + + src = _pixman_image_get_solid (imp, src_image, dest_image->bits.format); + + if (src == 0) + return; + + PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + w = width; + + while (w--) + { + d = over (src, convert_0565_to_0888 (*dst)); + *dst = convert_8888_to_0565 (d); + dst++; + } + } +} + +static void fast_composite_over_n_1_0565 (pixman_implementation_t *imp, pixman_composite_info_t *info) { @@ -1845,6 +1878,8 @@ FAST_SIMPLE_ROTATE (8888, uint32_t) static const pixman_fast_path_t c_fast_paths[] = { + PIXMAN_STD_FAST_PATH (OVER, solid, null, r5g6b5, fast_composite_over_n_0565), + PIXMAN_STD_FAST_PATH (OVER, solid, null, b5g6r5, fast_composite_over_n_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, fast_composite_over_n_8_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, fast_composite_over_n_8_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a8, r8g8b8, fast_composite_over_n_8_0888), |