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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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