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Side by Side Diff: src/core/SkGeometry.cpp

Issue 1650653002: SkNx Load/store: take any pointer. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: simplify call sites Created 4 years, 10 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkGeometry.h" 8 #include "SkGeometry.h"
9 #include "SkMatrix.h" 9 #include "SkMatrix.h"
10 #include "SkNx.h" 10 #include "SkNx.h"
11 11
12 static SkVector to_vector(const Sk2s& x) { 12 static SkVector to_vector(const Sk2s& x) {
13 SkVector vector; 13 SkVector vector;
14 x.store(&vector.fX); 14 x.store(&vector);
15 return vector; 15 return vector;
16 } 16 }
17 17
18 /** If defined, this makes eval_quad and eval_cubic do more setup (sometimes 18 /** If defined, this makes eval_quad and eval_cubic do more setup (sometimes
19 involving integer multiplies by 2 or 3, but fewer calls to SkScalarMul. 19 involving integer multiplies by 2 or 3, but fewer calls to SkScalarMul.
20 May also introduce overflow of fixed when we compute our setup. 20 May also introduce overflow of fixed when we compute our setup.
21 */ 21 */
22 // #define DIRECT_EVAL_OF_POLYNOMIALS 22 // #define DIRECT_EVAL_OF_POLYNOMIALS
23 23
24 //////////////////////////////////////////////////////////////////////// 24 ////////////////////////////////////////////////////////////////////////
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1053 1053
1054 Sk2s C = ww * p10; 1054 Sk2s C = ww * p10;
1055 Sk2s A = ww * p20 - p20; 1055 Sk2s A = ww * p20 - p20;
1056 Sk2s B = p20 - C - C; 1056 Sk2s B = p20 - C - C;
1057 1057
1058 return to_vector(SkQuadCoeff(A, B, C).eval(t)); 1058 return to_vector(SkQuadCoeff(A, B, C).eval(t));
1059 } 1059 }
1060 1060
1061 void SkConic::evalAt(SkScalar t, SkPoint* pt, SkVector* tangent) const { 1061 void SkConic::evalAt(SkScalar t, SkPoint* pt, SkVector* tangent) const {
1062 SkASSERT(t >= 0 && t <= SK_Scalar1); 1062 SkASSERT(t >= 0 && t <= SK_Scalar1);
1063 1063
1064 if (pt) { 1064 if (pt) {
1065 *pt = this->evalAt(t); 1065 *pt = this->evalAt(t);
1066 } 1066 }
1067 if (tangent) { 1067 if (tangent) {
1068 *tangent = this->evalTangentAt(t); 1068 *tangent = this->evalTangentAt(t);
1069 } 1069 }
1070 } 1070 }
1071 1071
1072 static SkScalar subdivide_w_value(SkScalar w) { 1072 static SkScalar subdivide_w_value(SkScalar w) {
1073 return SkScalarSqrt(SK_ScalarHalf + w * SK_ScalarHalf); 1073 return SkScalarSqrt(SK_ScalarHalf + w * SK_ScalarHalf);
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1338 matrix.preScale(SK_Scalar1, -SK_Scalar1); 1338 matrix.preScale(SK_Scalar1, -SK_Scalar1);
1339 } 1339 }
1340 if (userMatrix) { 1340 if (userMatrix) {
1341 matrix.postConcat(*userMatrix); 1341 matrix.postConcat(*userMatrix);
1342 } 1342 }
1343 for (int i = 0; i < conicCount; ++i) { 1343 for (int i = 0; i < conicCount; ++i) {
1344 matrix.mapPoints(dst[i].fPts, 3); 1344 matrix.mapPoints(dst[i].fPts, 3);
1345 } 1345 }
1346 return conicCount; 1346 return conicCount;
1347 } 1347 }
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