gfx/skia/trunk/src/opts/SkMorphology_opts_neon.cpp@129ffea94266 (annotated)
gfx/skia/trunk/src/opts/SkMorphology_opts_neon.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | |
| michael@0 | 9 | #include "SkColorPriv.h" |
| michael@0 | 10 | #include "SkMorphology_opts.h" |
| michael@0 | 11 | #include "SkMorphology_opts_neon.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #include <arm_neon.h> |
| michael@0 | 14 | |
| michael@0 | 15 | /* neon version of dilateX, dilateY, erodeX, erodeY. |
| michael@0 | 16 | * portable versions are in src/effects/SkMorphologyImageFilter.cpp. |
| michael@0 | 17 | */ |
| michael@0 | 18 | |
| michael@0 | 19 | enum MorphType { |
| michael@0 | 20 | kDilate, kErode |
| michael@0 | 21 | }; |
| michael@0 | 22 | |
| michael@0 | 23 | enum MorphDirection { |
| michael@0 | 24 | kX, kY |
| michael@0 | 25 | }; |
| michael@0 | 26 | |
| michael@0 | 27 | template<MorphType type, MorphDirection direction> |
| michael@0 | 28 | static void SkMorph_neon(const SkPMColor* src, SkPMColor* dst, int radius, |
| michael@0 | 29 | int width, int height, int srcStride, int dstStride) |
| michael@0 | 30 | { |
| michael@0 | 31 | const int srcStrideX = direction == kX ? 1 : srcStride; |
| michael@0 | 32 | const int dstStrideX = direction == kX ? 1 : dstStride; |
| michael@0 | 33 | const int srcStrideY = direction == kX ? srcStride : 1; |
| michael@0 | 34 | const int dstStrideY = direction == kX ? dstStride : 1; |
| michael@0 | 35 | radius = SkMin32(radius, width - 1); |
| michael@0 | 36 | const SkPMColor* upperSrc = src + radius * srcStrideX; |
| michael@0 | 37 | for (int x = 0; x < width; ++x) { |
| michael@0 | 38 | const SkPMColor* lp = src; |
| michael@0 | 39 | const SkPMColor* up = upperSrc; |
| michael@0 | 40 | SkPMColor* dptr = dst; |
| michael@0 | 41 | for (int y = 0; y < height; ++y) { |
| michael@0 | 42 | uint8x8_t max = vdup_n_u8(type == kDilate ? 0 : 255); |
| michael@0 | 43 | for (const SkPMColor* p = lp; p <= up; p += srcStrideX) { |
| michael@0 | 44 | uint8x8_t src_pixel = vreinterpret_u8_u32(vdup_n_u32(*p)); |
| michael@0 | 45 | max = type == kDilate ? vmax_u8(src_pixel, max) : vmin_u8(src_pixel, max); |
| michael@0 | 46 | } |
| michael@0 | 47 | *dptr = vget_lane_u32(vreinterpret_u32_u8(max), 0); |
| michael@0 | 48 | dptr += dstStrideY; |
| michael@0 | 49 | lp += srcStrideY; |
| michael@0 | 50 | up += srcStrideY; |
| michael@0 | 51 | } |
| michael@0 | 52 | if (x >= radius) src += srcStrideX; |
| michael@0 | 53 | if (x + radius < width - 1) upperSrc += srcStrideX; |
| michael@0 | 54 | dst += dstStrideX; |
| michael@0 | 55 | } |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | void SkDilateX_neon(const SkPMColor* src, SkPMColor* dst, int radius, |
| michael@0 | 59 | int width, int height, int srcStride, int dstStride) |
| michael@0 | 60 | { |
| michael@0 | 61 | SkMorph_neon<kDilate, kX>(src, dst, radius, width, height, srcStride, dstStride); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | void SkErodeX_neon(const SkPMColor* src, SkPMColor* dst, int radius, |
| michael@0 | 65 | int width, int height, int srcStride, int dstStride) |
| michael@0 | 66 | { |
| michael@0 | 67 | SkMorph_neon<kErode, kX>(src, dst, radius, width, height, srcStride, dstStride); |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | void SkDilateY_neon(const SkPMColor* src, SkPMColor* dst, int radius, |
| michael@0 | 71 | int width, int height, int srcStride, int dstStride) |
| michael@0 | 72 | { |
| michael@0 | 73 | SkMorph_neon<kDilate, kY>(src, dst, radius, width, height, srcStride, dstStride); |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | void SkErodeY_neon(const SkPMColor* src, SkPMColor* dst, int radius, |
| michael@0 | 77 | int width, int height, int srcStride, int dstStride) |
| michael@0 | 78 | { |
| michael@0 | 79 | SkMorph_neon<kErode, kY>(src, dst, radius, width, height, srcStride, dstStride); |
| michael@0 | 80 | } |
