Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(239)

Side by Side Diff: third_party/WebKit/Source/platform/transforms/TransformationMatrix.cpp

Issue 1625763002: Fix naming style of constants named in SHOUT_CASE. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: caps-consts: unsigned Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 /* 1 /*
2 * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. 2 * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved.
3 * Copyright (C) 2009 Torch Mobile, Inc. 3 * Copyright (C) 2009 Torch Mobile, Inc.
4 * Copyright (C) 2013 Google Inc. All rights reserved. 4 * Copyright (C) 2013 Google Inc. All rights reserved.
5 * 5 *
6 * Redistribution and use in source and binary forms, with or without 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions 7 * modification, are permitted provided that the following conditions
8 * are met: 8 * are met:
9 * 1. Redistributions of source code must retain the above copyright 9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer. 10 * notice, this list of conditions and the following disclaimer.
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
71 // In other words, this is the layout of the matrix: 71 // In other words, this is the layout of the matrix:
72 // 72 //
73 // | m_matrix[0][0] m_matrix[1][0] m_matrix[2][0] m_matrix[3][0] | 73 // | m_matrix[0][0] m_matrix[1][0] m_matrix[2][0] m_matrix[3][0] |
74 // | m_matrix[0][1] m_matrix[1][1] m_matrix[2][1] m_matrix[3][1] | 74 // | m_matrix[0][1] m_matrix[1][1] m_matrix[2][1] m_matrix[3][1] |
75 // | m_matrix[0][2] m_matrix[1][2] m_matrix[2][2] m_matrix[3][2] | 75 // | m_matrix[0][2] m_matrix[1][2] m_matrix[2][2] m_matrix[3][2] |
76 // | m_matrix[0][3] m_matrix[1][3] m_matrix[2][3] m_matrix[3][3] | 76 // | m_matrix[0][3] m_matrix[1][3] m_matrix[2][3] m_matrix[3][3] |
77 77
78 typedef double Vector4[4]; 78 typedef double Vector4[4];
79 typedef double Vector3[3]; 79 typedef double Vector3[3];
80 80
81 const double SMALL_NUMBER = 1.e-8; 81 const double SmallNumber = 1.e-8;
82 82
83 // inverse(original_matrix, inverse_matrix) 83 // inverse(original_matrix, inverse_matrix)
84 // 84 //
85 // calculate the inverse of a 4x4 matrix 85 // calculate the inverse of a 4x4 matrix
86 // 86 //
87 // -1 87 // -1
88 // A = ___1__ adjoint A 88 // A = ___1__ adjoint A
89 // det A 89 // det A
90 90
91 // double = determinant2x2(double a, double b, double c, double d) 91 // double = determinant2x2(double a, double b, double c, double d)
(...skipping 121 matching lines...) Expand 10 before | Expand all | Expand 10 after
213 #endif 213 #endif
214 214
215 // Returns false if the matrix is not invertible 215 // Returns false if the matrix is not invertible
216 static bool inverse(const TransformationMatrix::Matrix4& matrix, TransformationM atrix::Matrix4& result) 216 static bool inverse(const TransformationMatrix::Matrix4& matrix, TransformationM atrix::Matrix4& result)
217 { 217 {
218 // Calculate the 4x4 determinant 218 // Calculate the 4x4 determinant
219 // If the determinant is zero, 219 // If the determinant is zero,
220 // then the inverse matrix is not unique. 220 // then the inverse matrix is not unique.
221 double det = determinant4x4(matrix); 221 double det = determinant4x4(matrix);
222 222
223 if (fabs(det) < SMALL_NUMBER) 223 if (fabs(det) < SmallNumber)
224 return false; 224 return false;
225 225
226 #if CPU(ARM64) 226 #if CPU(ARM64)
227 double rdet = 1 / det; 227 double rdet = 1 / det;
228 const double* mat = &(matrix[0][0]); 228 const double* mat = &(matrix[0][0]);
229 double* pr = &(result[0][0]); 229 double* pr = &(result[0][0]);
230 asm volatile( 230 asm volatile(
231 // mat: v16 - v23 231 // mat: v16 - v23
232 // m11, m12, m13, m14 232 // m11, m12, m13, m14
233 // m21, m22, m23, m24 233 // m21, m22, m23, m24
(...skipping 1208 matching lines...) Expand 10 before | Expand all | Expand 10 after
1442 } 1442 }
1443 } 1443 }
1444 1444
1445 bool TransformationMatrix::isInvertible() const 1445 bool TransformationMatrix::isInvertible() const
1446 { 1446 {
1447 if (isIdentityOrTranslation()) 1447 if (isIdentityOrTranslation())
1448 return true; 1448 return true;
1449 1449
1450 double det = blink::determinant4x4(m_matrix); 1450 double det = blink::determinant4x4(m_matrix);
1451 1451
1452 if (fabs(det) < SMALL_NUMBER) 1452 if (fabs(det) < SmallNumber)
1453 return false; 1453 return false;
1454 1454
1455 return true; 1455 return true;
1456 } 1456 }
1457 1457
1458 TransformationMatrix TransformationMatrix::inverse() const 1458 TransformationMatrix TransformationMatrix::inverse() const
1459 { 1459 {
1460 if (isIdentityOrTranslation()) { 1460 if (isIdentityOrTranslation()) {
1461 // identity matrix 1461 // identity matrix
1462 if (m_matrix[3][0] == 0 && m_matrix[3][1] == 0 && m_matrix[3][2] == 0) 1462 if (m_matrix[3][0] == 0 && m_matrix[3][1] == 0 && m_matrix[3][2] == 0)
(...skipping 206 matching lines...) Expand 10 before | Expand all | Expand 10 after
1669 ret.setDouble(2, 2, matrix.m33()); 1669 ret.setDouble(2, 2, matrix.m33());
1670 ret.setDouble(2, 3, matrix.m43()); 1670 ret.setDouble(2, 3, matrix.m43());
1671 ret.setDouble(3, 0, matrix.m14()); 1671 ret.setDouble(3, 0, matrix.m14());
1672 ret.setDouble(3, 1, matrix.m24()); 1672 ret.setDouble(3, 1, matrix.m24());
1673 ret.setDouble(3, 2, matrix.m34()); 1673 ret.setDouble(3, 2, matrix.m34());
1674 ret.setDouble(3, 3, matrix.m44()); 1674 ret.setDouble(3, 3, matrix.m44());
1675 return ret; 1675 return ret;
1676 } 1676 }
1677 1677
1678 } 1678 }
OLDNEW
« no previous file with comments | « third_party/WebKit/Source/core/page/EventSource.h ('k') | third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698