mirror of https://github.com/qt/qt3d.git
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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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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std::vector<int> randKeys(64);
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QRandomGenerator gen;
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for (size_t 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 : std::as_const(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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std::vector<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.push_back(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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std::vector<int> testNames;
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for (int i = 0; i < 10; ++i)
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testNames.push_back(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 : 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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