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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->fX) + trans4).store(&dst->fX); |
| 31 src += 2; |
| 32 dst += 2; |
| 33 } |
| 34 count >>= 1; |
| 35 for (int i = 0; i < count; ++i) { |
| 36 (Sk4s::Load(&src[0].fX) + trans4).store(&dst[0].fX); |
| 37 (Sk4s::Load(&src[2].fX) + trans4).store(&dst[2].fX); |
| 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->fX) * scale4 + trans4).store(&dst->fX); |
| 62 src += 2; |
| 63 dst += 2; |
| 64 } |
| 65 count >>= 1; |
| 66 for (int i = 0; i < count; ++i) { |
| 67 (Sk4s::Load(&src[0].fX) * scale4 + trans4).store(&dst[0].fX); |
| 68 (Sk4s::Load(&src[2].fX) * scale4 + trans4).store(&dst[2].fX); |
| 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->fX); |
| 96 Sk4s swz4(src[0].fY, src[0].fX, src[1].fY, src[1].fX); // need ABCD
-> BADC |
| 97 (src4 * scale4 + swz4 * skew4 + trans4).store(&dst->fX); |
| 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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