866b95d65d
Enable NEON on arm64 for most 8888 blitters This patch enables NEON optimisation for the Color32, S32_Blend, S32A_Opaque blitters on arm64. Here are the perf improvements vs the existing code: Color32: ======== +-------+------------+------------+ | count | Cortex-A53 | Cortex-A57 | +-------+------------+------------+ | 1 | -2.39% | 23.78% | +-------+------------+------------+ | 2 | -5.46% | 8.88% | +-------+------------+------------+ | 4 | -4.74% | 4.89% | +-------+------------+------------+ | 8 | 67.74% | 107.12% | +-------+------------+------------+ | 16 | 40.03% | 101.20% | +-------+------------+------------+ | 64 | 11.09% | 98.40% | +-------+------------+------------+ | 256 | -2.20% | 74.81% | +-------+------------+------------+ | 1024 | -4.28% | 78.90% | +-------+------------+------------+ S32_Blend: ========== +-------+------------+------------+ | count | Cortex-A53 | Cortex-A57 | +-------+------------+------------+ | 1 | 7.84% | -6.75% | +-------+------------+------------+ | 2 | 28.95% | 39.77% | +-------+------------+------------+ | 4 | 5.80% | 8.26% | +-------+------------+------------+ | 8 | 1.35% | 33.80% | +-------+------------+------------+ | 16 | -2.13% | 41.13% | +-------+------------+------------+ | 64 | -4.91% | 42.84% | +-------+------------+------------+ | 256 | -6.53% | 48.72% | +-------+------------+------------+ | 1024 | -6.65% | 46.66% | +-------+------------+------------+ S32A_Opaque: ============ +-------+------------+------------+ | count | Cortex-A53 | Cortex-A57 | +-------+------------+------------+ | 1 | -7.51% | -19.06% | +-------+------------+------------+ | 2 | -5.02% | -27.70% | +-------+------------+------------+ | 4 | 15.38% | -21.66% | +-------+------------+------------+ | 8 | -0.98% | 1.05% | +-------+------------+------------+ | 16 | -7.35% | 3.34% | +-------+------------+------------+ | 64 | 50.53% | 94.63% | +-------+------------+------------+ | 256 | 71.17% | 164.10% | +-------+------------+------------+ | 1024 | 79.58% | 197.60% | +-------+------------+------------+ Signed-off-by: Kevin PETIT <kevin.petit@arm.com> BUG=skia: R=djsollen@google.com, mtklein@google.com Author: kevin.petit@arm.com Review URL: https://codereview.chromium.org/302283003 |
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Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See full details, and build instructions, at https://sites.google.com/site/skiadocs/home