diff options
| author | Ben Avison <bavison@riscosopen.org> | 2014-08-04 19:06:04 +0100 |
|---|---|---|
| committer | Ben Avison <bavison@riscosopen.org> | 2015-10-15 15:04:06 +0100 |
| commit | 2e1cda57088a298888a850ac7ddd43b2e794ae85 (patch) | |
| tree | 3d972f703967a3fd2abeda103c4044fe7193eb87 | |
| parent | dc61d6bc5c5a83651cedcf15c92b8e3c877f6659 (diff) | |
armv6: Add fetcher for a8 nearest-neighbour transformed images
This is related to the a8r8g8b8 nearest-scaled-cover fetcher. Below are
benchmarks for src_8_8888, which uses it.
lowlevel-blt-bench -n :
Before After
Mean StdDev Mean StdDev Confidence Change
L1 15.1 0.1 55.5 0.3 100.0% +267.2%
L2 13.7 0.1 45.3 0.8 100.0% +230.0%
M 14.5 0.0 53.9 0.1 100.0% +272.5%
HT 8.3 0.0 21.2 0.2 100.0% +154.6%
VT 8.3 0.0 20.1 0.3 100.0% +141.7%
R 8.0 0.0 19.2 0.3 100.0% +140.5%
RT 3.6 0.0 6.8 0.1 100.0% +88.4%
affine-bench:
Before After
Mean StdDev Mean StdDev Confidence Change
0.5 17.2 0.0 76.5 0.1 100.0% +344.4%
0.75 16.7 0.0 67.1 0.1 100.0% +300.8%
1.0 16.4 0.0 54.3 0.1 100.0% +232.2%
1.5 15.7 0.0 52.4 0.1 100.0% +234.6%
2.0 14.8 0.0 50.8 0.1 100.0% +243.9%
| -rw-r--r-- | pixman/pixman-arm-simd-asm-scaled.S | 8 | ||||
| -rw-r--r-- | pixman/pixman-arm-simd.c | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/pixman/pixman-arm-simd-asm-scaled.S b/pixman/pixman-arm-simd-asm-scaled.S index f018e76..fa743a5 100644 --- a/pixman/pixman-arm-simd-asm-scaled.S +++ b/pixman/pixman-arm-simd-asm-scaled.S @@ -190,4 +190,12 @@ generate_nearest_scaled_cover_function \ pixman_get_scanline_nearest_scaled_cover_r5g6b5_asm_armv6, 16, \ 2, 3 /* prefetch distances */, init_ge, convert_0565_8888 +.macro convert_8_8888, reg, tmp + mov reg, reg, lsl #24 +.endm + +generate_nearest_scaled_cover_function \ + pixman_get_scanline_nearest_scaled_cover_a8_asm_armv6, 8, \ + 2, 3 /* prefetch distances */, nop_macro, convert_8_8888 + /******************************************************************************/ diff --git a/pixman/pixman-arm-simd.c b/pixman/pixman-arm-simd.c index 08aaad5..f791430 100644 --- a/pixman/pixman-arm-simd.c +++ b/pixman/pixman-arm-simd.c @@ -142,6 +142,7 @@ pixman_get_scanline_nearest_scaled_cover_##name##_asm_##cputype ( \ PIXMAN_ARM_BIND_GET_SCANLINE_NEAREST_SCALED_COVER (armv6, a8r8g8b8, 8888, uint32_t) PIXMAN_ARM_BIND_GET_SCANLINE_NEAREST_SCALED_COVER (armv6, x8r8g8b8, x888, uint32_t) PIXMAN_ARM_BIND_GET_SCANLINE_NEAREST_SCALED_COVER (armv6, r5g6b5, 0565, uint16_t) +PIXMAN_ARM_BIND_GET_SCANLINE_NEAREST_SCALED_COVER (armv6, a8, 8, uint8_t) void pixman_composite_src_n_8888_asm_armv6 (int32_t w, @@ -384,6 +385,7 @@ static const pixman_iter_info_t arm_simd_iters[] = PIXMAN_ARM_UNTRANSFORMED_COVER_FETCHER (armv6, a1r5g5b5), PIXMAN_ARM_UNTRANSFORMED_COVER_FETCHER (armv6, a8), + PIXMAN_ARM_NEAREST_SCALED_COVER_FETCHER (armv6, a8), { PIXMAN_null }, }; |