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Diffstat (limited to 'tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp')
| -rw-r--r-- | tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp | 672 |
1 files changed, 672 insertions, 0 deletions
diff --git a/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp b/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp new file mode 100644 index 0000000..e962198 --- /dev/null +++ b/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp @@ -0,0 +1,672 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtTest/QtTest> +#include <QtGui/qmatrix4x4.h> + +class tst_QMatrix4x4 : public QObject +{ + Q_OBJECT +public: + tst_QMatrix4x4() {} + ~tst_QMatrix4x4() {} + +private slots: + void multiply_data(); + void multiply(); + + void multiplyInPlace_data(); + void multiplyInPlace(); + + void multiplyDirect_data(); + void multiplyDirect(); + + void mapVector3D_data(); + void mapVector3D(); + + void mapVector2D_data(); + void mapVector2D(); + + void mapVectorDirect_data(); + void mapVectorDirect(); + + void compareTranslate_data(); + void compareTranslate(); + + void compareTranslateAfterScale_data(); + void compareTranslateAfterScale(); + + void compareTranslateAfterRotate_data(); + void compareTranslateAfterRotate(); + + void compareScale_data(); + void compareScale(); + + void compareScaleAfterTranslate_data(); + void compareScaleAfterTranslate(); + + void compareScaleAfterRotate_data(); + void compareScaleAfterRotate(); + + void compareRotate_data(); + void compareRotate(); + + void compareRotateAfterTranslate_data(); + void compareRotateAfterTranslate(); + + void compareRotateAfterScale_data(); + void compareRotateAfterScale(); +}; + +static qreal const generalValues[16] = + {1.0f, 2.0f, 3.0f, 4.0f, + 5.0f, 6.0f, 7.0f, 8.0f, + 9.0f, 10.0f, 11.0f, 12.0f, + 13.0f, 14.0f, 15.0f, 16.0f}; + +void tst_QMatrix4x4::multiply_data() +{ + QTest::addColumn<QMatrix4x4>("m1"); + QTest::addColumn<QMatrix4x4>("m2"); + + QTest::newRow("identity * identity") + << QMatrix4x4() << QMatrix4x4(); + QTest::newRow("identity * general") + << QMatrix4x4() << QMatrix4x4(generalValues); + QTest::newRow("general * identity") + << QMatrix4x4(generalValues) << QMatrix4x4(); + QTest::newRow("general * general") + << QMatrix4x4(generalValues) << QMatrix4x4(generalValues); +} + +QMatrix4x4 mresult; + +void tst_QMatrix4x4::multiply() +{ + QFETCH(QMatrix4x4, m1); + QFETCH(QMatrix4x4, m2); + + QMatrix4x4 m3; + + QBENCHMARK { + m3 = m1 * m2; + } + + // Force the result to be stored so the compiler doesn't + // optimize away the contents of the benchmark loop. + mresult = m3; +} + +void tst_QMatrix4x4::multiplyInPlace_data() +{ + multiply_data(); +} + +void tst_QMatrix4x4::multiplyInPlace() +{ + QFETCH(QMatrix4x4, m1); + QFETCH(QMatrix4x4, m2); + + QMatrix4x4 m3; + + QBENCHMARK { + m3 = m1; + m3 *= m2; + } + + // Force the result to be stored so the compiler doesn't + // optimize away the contents of the benchmark loop. + mresult = m3; +} + +// Use a direct naive multiplication algorithm. This is used +// to compare against the optimized routines to see if they are +// actually faster than the naive implementation. +void tst_QMatrix4x4::multiplyDirect_data() +{ + multiply_data(); +} +void tst_QMatrix4x4::multiplyDirect() +{ + QFETCH(QMatrix4x4, m1); + QFETCH(QMatrix4x4, m2); + + QMatrix4x4 m3; + + const qreal *m1data = m1.constData(); + const qreal *m2data = m2.constData(); + qreal *m3data = m3.data(); + + QBENCHMARK { + for (int row = 0; row < 4; ++row) { + for (int col = 0; col < 4; ++col) { + m3data[col * 4 + row] = 0.0f; + for (int j = 0; j < 4; ++j) { + m3data[col * 4 + row] += + m1data[j * 4 + row] * m2data[col * 4 + j]; + } + } + } + } +} + +QVector3D vresult; + +void tst_QMatrix4x4::mapVector3D_data() +{ + QTest::addColumn<QMatrix4x4>("m1"); + + QTest::newRow("identity") << QMatrix4x4(); + QTest::newRow("general") << QMatrix4x4(generalValues); + + QMatrix4x4 t1; + t1.translate(-100.5f, 64.0f, 75.25f); + QTest::newRow("translate3D") << t1; + + QMatrix4x4 t2; + t2.translate(-100.5f, 64.0f); + QTest::newRow("translate2D") << t2; + + QMatrix4x4 s1; + s1.scale(-100.5f, 64.0f, 75.25f); + QTest::newRow("scale3D") << s1; + + QMatrix4x4 s2; + s2.scale(-100.5f, 64.0f); + QTest::newRow("scale2D") << s2; +} +void tst_QMatrix4x4::mapVector3D() +{ + QFETCH(QMatrix4x4, m1); + + QVector3D v(10.5f, -2.0f, 3.0f); + QVector3D result; + + m1.optimize(); + + QBENCHMARK { + result = m1 * v; + } + + // Force the result to be stored so the compiler doesn't + // optimize away the contents of the benchmark loop. + vresult = result; +} + +QPointF vresult2; + +void tst_QMatrix4x4::mapVector2D_data() +{ + mapVector3D_data(); +} +void tst_QMatrix4x4::mapVector2D() +{ + QFETCH(QMatrix4x4, m1); + + QPointF v(10.5f, -2.0f); + QPointF result; + + m1.optimize(); + + QBENCHMARK { + result = m1 * v; + } + + // Force the result to be stored so the compiler doesn't + // optimize away the contents of the benchmark loop. + vresult2 = result; +} + +// Use a direct naive multiplication algorithm. This is used +// to compare against the optimized routines to see if they are +// actually faster than the naive implementation. +void tst_QMatrix4x4::mapVectorDirect_data() +{ + mapVector3D_data(); +} +void tst_QMatrix4x4::mapVectorDirect() +{ + QFETCH(QMatrix4x4, m1); + + const qreal *m1data = m1.constData(); + qreal v[4] = {10.5f, -2.0f, 3.0f, 1.0f}; + qreal result[4]; + + QBENCHMARK { + for (int row = 0; row < 4; ++row) { + result[row] = 0.0f; + for (int col = 0; col < 4; ++col) { + result[row] += m1data[col * 4 + row] * v[col]; + } + } + result[0] /= result[3]; + result[1] /= result[3]; + result[2] /= result[3]; + } +} + +// Compare the performance of QTransform::translate() to +// QMatrix4x4::translate(). +void tst_QMatrix4x4::compareTranslate_data() +{ + QTest::addColumn<bool>("useQTransform"); + QTest::addColumn<QVector3D>("translation"); + + QTest::newRow("QTransform::translate(0, 0, 0)") + << true << QVector3D(0, 0, 0); + QTest::newRow("QMatrix4x4::translate(0, 0, 0)") + << false << QVector3D(0, 0, 0); + + QTest::newRow("QTransform::translate(1, 2, 0)") + << true << QVector3D(1, 2, 0); + QTest::newRow("QMatrix4x4::translate(1, 2, 0)") + << false << QVector3D(1, 2, 0); + + QTest::newRow("QTransform::translate(1, 2, 4)") + << true << QVector3D(1, 2, 4); + QTest::newRow("QMatrix4x4::translate(1, 2, 4)") + << false << QVector3D(1, 2, 4); +} +void tst_QMatrix4x4::compareTranslate() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, translation); + + qreal x = translation.x(); + qreal y = translation.y(); + qreal z = translation.z(); + + if (useQTransform) { + QTransform t; + QBENCHMARK { + t.translate(x, y); + } + } else if (z == 0.0f) { + QMatrix4x4 m; + QBENCHMARK { + m.translate(x, y); + } + } else { + QMatrix4x4 m; + QBENCHMARK { + m.translate(x, y, z); + } + } +} + +// Compare the performance of QTransform::translate() to +// QMatrix4x4::translate() after priming the matrix with a scale(). +void tst_QMatrix4x4::compareTranslateAfterScale_data() +{ + compareTranslate_data(); +} +void tst_QMatrix4x4::compareTranslateAfterScale() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, translation); + + qreal x = translation.x(); + qreal y = translation.y(); + qreal z = translation.z(); + + if (useQTransform) { + QTransform t; + t.scale(3, 4); + QBENCHMARK { + t.translate(x, y); + } + } else if (z == 0.0f) { + QMatrix4x4 m; + m.scale(3, 4); + QBENCHMARK { + m.translate(x, y); + } + } else { + QMatrix4x4 m; + m.scale(3, 4, 5); + QBENCHMARK { + m.translate(x, y, z); + } + } +} + +// Compare the performance of QTransform::translate() to +// QMatrix4x4::translate() after priming the matrix with a rotate(). +void tst_QMatrix4x4::compareTranslateAfterRotate_data() +{ + compareTranslate_data(); +} +void tst_QMatrix4x4::compareTranslateAfterRotate() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, translation); + + qreal x = translation.x(); + qreal y = translation.y(); + qreal z = translation.z(); + + if (useQTransform) { + QTransform t; + t.rotate(45.0f); + QBENCHMARK { + t.translate(x, y); + } + } else if (z == 0.0f) { + QMatrix4x4 m; + m.rotate(45.0f, 0, 0, 1); + QBENCHMARK { + m.translate(x, y); + } + } else { + QMatrix4x4 m; + m.rotate(45.0f, 0, 0, 1); + QBENCHMARK { + m.translate(x, y, z); + } + } +} + +// Compare the performance of QTransform::scale() to +// QMatrix4x4::scale(). +void tst_QMatrix4x4::compareScale_data() +{ + QTest::addColumn<bool>("useQTransform"); + QTest::addColumn<QVector3D>("scale"); + + QTest::newRow("QTransform::scale(1, 1, 1)") + << true << QVector3D(1, 1, 1); + QTest::newRow("QMatrix4x4::scale(1, 1, 1)") + << false << QVector3D(1, 1, 1); + + QTest::newRow("QTransform::scale(3, 6, 1)") + << true << QVector3D(3, 6, 1); + QTest::newRow("QMatrix4x4::scale(3, 6, 1)") + << false << QVector3D(3, 6, 1); + + QTest::newRow("QTransform::scale(3, 6, 4)") + << true << QVector3D(3, 6, 4); + QTest::newRow("QMatrix4x4::scale(3, 6, 4)") + << false << QVector3D(3, 6, 4); +} +void tst_QMatrix4x4::compareScale() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, scale); + + qreal x = scale.x(); + qreal y = scale.y(); + qreal z = scale.z(); + + if (useQTransform) { + QTransform t; + QBENCHMARK { + t.scale(x, y); + } + } else if (z == 1.0f) { + QMatrix4x4 m; + QBENCHMARK { + m.scale(x, y); + } + } else { + QMatrix4x4 m; + QBENCHMARK { + m.scale(x, y, z); + } + } +} + +// Compare the performance of QTransform::scale() to +// QMatrix4x4::scale() after priming the matrix with a translate(). +void tst_QMatrix4x4::compareScaleAfterTranslate_data() +{ + compareScale_data(); +} +void tst_QMatrix4x4::compareScaleAfterTranslate() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, scale); + + qreal x = scale.x(); + qreal y = scale.y(); + qreal z = scale.z(); + + if (useQTransform) { + QTransform t; + t.translate(20, 34); + QBENCHMARK { + t.scale(x, y); + } + } else if (z == 1.0f) { + QMatrix4x4 m; + m.translate(20, 34); + QBENCHMARK { + m.scale(x, y); + } + } else { + QMatrix4x4 m; + m.translate(20, 34, 42); + QBENCHMARK { + m.scale(x, y, z); + } + } +} + +// Compare the performance of QTransform::scale() to +// QMatrix4x4::scale() after priming the matrix with a rotate(). +void tst_QMatrix4x4::compareScaleAfterRotate_data() +{ + compareScale_data(); +} +void tst_QMatrix4x4::compareScaleAfterRotate() +{ + QFETCH(bool, useQTransform); + QFETCH(QVector3D, scale); + + qreal x = scale.x(); + qreal y = scale.y(); + qreal z = scale.z(); + + if (useQTransform) { + QTransform t; + t.rotate(45.0f); + QBENCHMARK { + t.scale(x, y); + } + } else if (z == 1.0f) { + QMatrix4x4 m; + m.rotate(45.0f, 0, 0, 1); + QBENCHMARK { + m.scale(x, y); + } + } else { + QMatrix4x4 m; + m.rotate(45.0f, 0, 0, 1); + QBENCHMARK { + m.scale(x, y, z); + } + } +} + +// Compare the performance of QTransform::rotate() to +// QMatrix4x4::rotate(). +void tst_QMatrix4x4::compareRotate_data() +{ + QTest::addColumn<bool>("useQTransform"); + QTest::addColumn<qreal>("angle"); + QTest::addColumn<QVector3D>("rotation"); + QTest::addColumn<int>("axis"); + + QTest::newRow("QTransform::rotate(0, ZAxis)") + << true << qreal(0.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + QTest::newRow("QMatrix4x4::rotate(0, ZAxis)") + << false << qreal(0.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + + QTest::newRow("QTransform::rotate(45, ZAxis)") + << true << qreal(45.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + QTest::newRow("QMatrix4x4::rotate(45, ZAxis)") + << false << qreal(45.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + + QTest::newRow("QTransform::rotate(90, ZAxis)") + << true << qreal(90.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + QTest::newRow("QMatrix4x4::rotate(90, ZAxis)") + << false << qreal(90.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis); + + QTest::newRow("QTransform::rotate(0, YAxis)") + << true << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + QTest::newRow("QMatrix4x4::rotate(0, YAxis)") + << false << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + + QTest::newRow("QTransform::rotate(45, YAxis)") + << true << qreal(45.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + QTest::newRow("QMatrix4x4::rotate(45, YAxis)") + << false << qreal(45.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + + QTest::newRow("QTransform::rotate(90, YAxis)") + << true << qreal(90.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + QTest::newRow("QMatrix4x4::rotate(90, YAxis)") + << false << qreal(90.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis); + + QTest::newRow("QTransform::rotate(0, XAxis)") + << true << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::XAxis); + QTest::newRow("QMatrix4x4::rotate(0, XAxis)") + << false << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::XAxis); + + QTest::newRow("QTransform::rotate(45, XAxis)") + << true << qreal(45.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis); + QTest::newRow("QMatrix4x4::rotate(45, XAxis)") + << false << qreal(45.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis); + + QTest::newRow("QTransform::rotate(90, XAxis)") + << true << qreal(90.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis); + QTest::newRow("QMatrix4x4::rotate(90, XAxis)") + << false << qreal(90.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis); +} +void tst_QMatrix4x4::compareRotate() +{ + QFETCH(bool, useQTransform); + QFETCH(qreal, angle); + QFETCH(QVector3D, rotation); + QFETCH(int, axis); + + qreal x = rotation.x(); + qreal y = rotation.y(); + qreal z = rotation.z(); + + if (useQTransform) { + QTransform t; + QBENCHMARK { + t.rotate(angle, Qt::Axis(axis)); + } + } else { + QMatrix4x4 m; + QBENCHMARK { + m.rotate(angle, x, y, z); + } + } +} + +// Compare the performance of QTransform::rotate() to +// QMatrix4x4::rotate() after priming the matrix with a translate(). +void tst_QMatrix4x4::compareRotateAfterTranslate_data() +{ + compareRotate_data(); +} +void tst_QMatrix4x4::compareRotateAfterTranslate() +{ + QFETCH(bool, useQTransform); + QFETCH(qreal, angle); + QFETCH(QVector3D, rotation); + QFETCH(int, axis); + + qreal x = rotation.x(); + qreal y = rotation.y(); + qreal z = rotation.z(); + + if (useQTransform) { + QTransform t; + t.translate(3, 4); + QBENCHMARK { + t.rotate(angle, Qt::Axis(axis)); + } + } else { + QMatrix4x4 m; + m.translate(3, 4, 5); + QBENCHMARK { + m.rotate(angle, x, y, z); + } + } +} + +// Compare the performance of QTransform::rotate() to +// QMatrix4x4::rotate() after priming the matrix with a scale(). +void tst_QMatrix4x4::compareRotateAfterScale_data() +{ + compareRotate_data(); +} +void tst_QMatrix4x4::compareRotateAfterScale() +{ + QFETCH(bool, useQTransform); + QFETCH(qreal, angle); + QFETCH(QVector3D, rotation); + QFETCH(int, axis); + + qreal x = rotation.x(); + qreal y = rotation.y(); + qreal z = rotation.z(); + + if (useQTransform) { + QTransform t; + t.scale(3, 4); + QBENCHMARK { + t.rotate(angle, Qt::Axis(axis)); + } + } else { + QMatrix4x4 m; + m.scale(3, 4, 5); + QBENCHMARK { + m.rotate(angle, x, y, z); + } + } +} + +QTEST_MAIN(tst_QMatrix4x4) + +#include "tst_qmatrix4x4.moc" |