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| 1 /* | |
| 2 * Copyright 2015 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkMatrix_opts_DEFINED | |
| 9 #define SkMatrix_opts_DEFINED | |
| 10 | |
| 11 #include "SkMatrix.h" | |
| 12 #include "SkNx.h" | |
| 13 | |
| 14 namespace SK_OPTS_NS { | |
| 15 | |
| 16 static void matrix_translate(const SkMatrix& m, SkPoint* dst, const SkPoint* src
, int count) { | |
| 17 SkASSERT(m.getType() <= SkMatrix::kTranslate_Mask); | |
| 18 if (count > 0) { | |
| 19 SkScalar tx = m.getTranslateX(); | |
| 20 SkScalar ty = m.getTranslateY(); | |
| 21 if (count & 1) { | |
| 22 dst->fX = src->fX + tx; | |
| 23 dst->fY = src->fY + ty; | |
| 24 src += 1; | |
| 25 dst += 1; | |
| 26 } | |
| 27 Sk4s trans4(tx, ty, tx, ty); | |
| 28 count >>= 1; | |
| 29 if (count & 1) { | |
| 30 (Sk4s::Load(src) + trans4).store(dst); | |
| 31 src += 2; | |
| 32 dst += 2; | |
| 33 } | |
| 34 count >>= 1; | |
| 35 for (int i = 0; i < count; ++i) { | |
| 36 (Sk4s::Load(src+0) + trans4).store(dst+0); | |
| 37 (Sk4s::Load(src+2) + trans4).store(dst+2); | |
| 38 src += 4; | |
| 39 dst += 4; | |
| 40 } | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 static void matrix_scale_translate(const SkMatrix& m, SkPoint* dst, const SkPoin
t* src, int count) { | |
| 45 SkASSERT(m.getType() <= (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask))
; | |
| 46 if (count > 0) { | |
| 47 SkScalar tx = m.getTranslateX(); | |
| 48 SkScalar ty = m.getTranslateY(); | |
| 49 SkScalar sx = m.getScaleX(); | |
| 50 SkScalar sy = m.getScaleY(); | |
| 51 if (count & 1) { | |
| 52 dst->fX = src->fX * sx + tx; | |
| 53 dst->fY = src->fY * sy + ty; | |
| 54 src += 1; | |
| 55 dst += 1; | |
| 56 } | |
| 57 Sk4s trans4(tx, ty, tx, ty); | |
| 58 Sk4s scale4(sx, sy, sx, sy); | |
| 59 count >>= 1; | |
| 60 if (count & 1) { | |
| 61 (Sk4s::Load(src) * scale4 + trans4).store(dst); | |
| 62 src += 2; | |
| 63 dst += 2; | |
| 64 } | |
| 65 count >>= 1; | |
| 66 for (int i = 0; i < count; ++i) { | |
| 67 (Sk4s::Load(src+0) * scale4 + trans4).store(dst+0); | |
| 68 (Sk4s::Load(src+2) * scale4 + trans4).store(dst+2); | |
| 69 src += 4; | |
| 70 dst += 4; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 static void matrix_affine(const SkMatrix& m, SkPoint* dst, const SkPoint* src, i
nt count) { | |
| 76 SkASSERT(m.getType() != SkMatrix::kPerspective_Mask); | |
| 77 if (count > 0) { | |
| 78 SkScalar tx = m.getTranslateX(); | |
| 79 SkScalar ty = m.getTranslateY(); | |
| 80 SkScalar sx = m.getScaleX(); | |
| 81 SkScalar sy = m.getScaleY(); | |
| 82 SkScalar kx = m.getSkewX(); | |
| 83 SkScalar ky = m.getSkewY(); | |
| 84 if (count & 1) { | |
| 85 dst->set(src->fX * sx + src->fY * kx + tx, | |
| 86 src->fX * ky + src->fY * sy + ty); | |
| 87 src += 1; | |
| 88 dst += 1; | |
| 89 } | |
| 90 Sk4s trans4(tx, ty, tx, ty); | |
| 91 Sk4s scale4(sx, sy, sx, sy); | |
| 92 Sk4s skew4(kx, ky, kx, ky); // applied to swizzle of src4 | |
| 93 count >>= 1; | |
| 94 for (int i = 0; i < count; ++i) { | |
| 95 Sk4s src4 = Sk4s::Load(src); | |
| 96 Sk4s swz4 = SkNx_shuffle<1,0,3,2>(src4); // y0 x0, y1 x1 | |
| 97 (src4 * scale4 + swz4 * skew4 + trans4).store(dst); | |
| 98 src += 2; | |
| 99 dst += 2; | |
| 100 } | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 } // namespace SK_OPTS_NS | |
| 105 | |
| 106 #endif//SkMatrix_opts_DEFINED | |
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Chromium Code Reviews
Issue 1872193002:
Graduate matrix map-point procs out of SkOpts. (Closed)
Base URL: https://skia.googlesource.com/skia.git@master