mirror of https://github.com/qt/qt3d.git
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt3D module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QTest>
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#include <Qt3DRender/private/uniform_p.h>
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#include <shaderparameterpack_p.h>
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#include <glshader_p.h>
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#include <shadervariables_p.h>
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#include <QRandomGenerator>
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using namespace Qt3DRender::Render;
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using namespace Qt3DRender::Render::OpenGL;
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class tst_BenchShaderParameterPack : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void checkPackUniformInsert()
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{
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// GIVEN
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PackUniformHash pack;
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QVector<int> randKeys(64);
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QRandomGenerator gen;
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for (int i = 0; i < 64; ++i)
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randKeys[i] = gen.generate();
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QBENCHMARK {
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for (const int key : qAsConst(randKeys))
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pack.insert(key, UniformValue(key));
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}
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}
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void prepareUniforms()
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{
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// GIVEN
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GLShader shader;
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QVector<ShaderUniform> uniformDescriptions;
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for (int i = 0; i < 30; i++) {
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ShaderUniform u;
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u.m_name = QString::number(i);
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uniformDescriptions << u;
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}
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shader.initializeUniforms(uniformDescriptions);
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// THEN
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QCOMPARE(shader.uniforms().size(), 30);
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// WHEN
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QVector<int> testNames;
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for (int i = 0; i < 10; ++i)
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testNames << shader.uniforms()[i * 3].m_nameId;
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// WHEN
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ShaderParameterPack pack;
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for (const int nameId : qAsConst(testNames))
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pack.setUniform(nameId, UniformValue(nameId));
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QBENCHMARK {
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shader.prepareUniforms(pack);
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}
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}
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};
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QTEST_MAIN(tst_BenchShaderParameterPack)
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#include "tst_bench_shaderparameterpack.moc"
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