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// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QTest>
#include <Qt3DRender/private/uniform_p.h>
#include <shaderparameterpack_p.h>
#include <glshader_p.h>
#include <shadervariables_p.h>
#include <QRandomGenerator>
using namespace Qt3DRender::Render;
using namespace Qt3DRender::Render::OpenGL;
class tst_BenchShaderParameterPack : public QObject
{
Q_OBJECT
private Q_SLOTS:
void checkPackUniformInsert()
{
// GIVEN
PackUniformHash pack;
std::vector<int> randKeys(64);
QRandomGenerator gen;
for (size_t i = 0; i < 64; ++i)
randKeys[i] = gen.generate();
QBENCHMARK {
for (const int key : std::as_const(randKeys))
pack.insert(key, UniformValue(key));
}
}
void prepareUniforms()
{
// GIVEN
GLShader shader;
std::vector<ShaderUniform> uniformDescriptions;
for (int i = 0; i < 30; i++) {
ShaderUniform u;
u.m_name = QString::number(i);
uniformDescriptions.push_back(u);
}
shader.initializeUniforms(uniformDescriptions);
// THEN
QCOMPARE(shader.uniforms().size(), 30);
// WHEN
std::vector<int> testNames;
for (int i = 0; i < 10; ++i)
testNames.push_back(shader.uniforms()[i * 3].m_nameId);
// WHEN
ShaderParameterPack pack;
for (const int nameId : testNames)
pack.setUniform(nameId, UniformValue(nameId));
QBENCHMARK {
shader.prepareUniforms(pack);
}
}
};
QTEST_MAIN(tst_BenchShaderParameterPack)
#include "tst_bench_shaderparameterpack.moc"
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