Add benchmark for MaterialParameterGathererJob

Change-Id: I9c334605df7de650e94b26559a300fa4ae42271d
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 157 insertions, 1 deletions

diff --git a/tests/benchmarks/render/materialparametergathering/materialparametergathering.pro b/tests/benchmarks/render/materialparametergathering/materialparametergathering.pro
new file mode 100644
index 000000000..e227a08a0
--- /dev/null
+++ b/tests/benchmarks/render/materialparametergathering/materialparametergathering.pro
@@ -0,0 +1,14 @@
+TEMPLATE = app
+
+TARGET = tst_bench_materialparametergathering
+
+QT += core-private 3dcore 3dcore-private 3drender 3drender-private 3dextras testlib
+
+CONFIG += testcase
+
+SOURCES += tst_bench_materialparametergathering.cpp
+
+include(../../../auto/render/commons/commons.pri)
+
+# Needed to use the TestAspect
+DEFINES += QT_BUILD_INTERNAL
diff --git a/tests/benchmarks/render/materialparametergathering/tst_bench_materialparametergathering.cpp b/tests/benchmarks/render/materialparametergathering/tst_bench_materialparametergathering.cpp
new file mode 100644
index 000000000..d82643439
--- /dev/null
+++ b/tests/benchmarks/render/materialparametergathering/tst_bench_materialparametergathering.cpp
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Paul Lemire
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QTest>
+#include <Qt3DCore/qentity.h>
+#include <Qt3DCore/private/qnodecreatedchangegenerator_p.h>
+#include <Qt3DCore/private/qaspectjobmanager_p.h>
+
+#include <Qt3DRender/private/nodemanagers_p.h>
+#include <Qt3DRender/private/managers_p.h>
+#include <Qt3DRender/private/entity_p.h>
+#include <Qt3DRender/qrenderaspect.h>
+#include <Qt3DRender/private/qrenderaspect_p.h>
+#include <Qt3DRender/private/materialparametergathererjob_p.h>
+#include <Qt3DRender/private/technique_p.h>
+#include <Qt3DRender/private/techniquemanager_p.h>
+#include <Qt3DExtras/qphongmaterial.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+class TestAspect : public Qt3DRender::QRenderAspect
+{
+public:
+    TestAspect(Qt3DCore::QNode *root)
+        : Qt3DRender::QRenderAspect(Qt3DRender::QRenderAspect::Synchronous)
+        , m_jobManager(new Qt3DCore::QAspectJobManager())
+    {
+        Qt3DCore::QAbstractAspectPrivate::get(this)->m_jobManager = m_jobManager.data();
+        QRenderAspect::onRegistered();
+
+        const Qt3DCore::QNodeCreatedChangeGenerator generator(root);
+        const QVector<Qt3DCore::QNodeCreatedChangeBasePtr> creationChanges = generator.creationChanges();
+
+        for (const Qt3DCore::QNodeCreatedChangeBasePtr change : creationChanges)
+            d_func()->createBackendNode(change);
+
+        const auto handles = nodeManagers()->techniqueManager()->activeHandles();
+        for (const auto handle: handles) {
+            Render::Technique *technique = nodeManagers()->techniqueManager()->data(handle);
+            technique->setCompatibleWithRenderer(true);
+        }
+    }
+
+    ~TestAspect()
+    {
+        QRenderAspect::onUnregistered();
+    }
+
+    Qt3DRender::Render::NodeManagers *nodeManagers() const
+    {
+        return d_func()->m_renderer->nodeManagers();
+    }
+
+    Render::MaterialParameterGathererJobPtr materialGathererJob() const
+    {
+        Render::MaterialParameterGathererJobPtr job = Render::MaterialParameterGathererJobPtr::create();
+        job->setNodeManagers(nodeManagers());
+        job->setRenderer(static_cast<Render::Renderer *>(d_func()->m_renderer));
+        return job;
+    }
+
+    void onRegistered() { QRenderAspect::onRegistered(); }
+    void onUnregistered() { QRenderAspect::onUnregistered(); }
+
+private:
+    QScopedPointer<Qt3DCore::QAspectJobManager> m_jobManager;
+};
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+namespace {
+
+Qt3DCore::QEntity *buildTestScene(int entityCount)
+{
+    Qt3DCore::QEntity *root = new Qt3DCore::QEntity();
+
+    for (int i = 0; i < entityCount; ++i) {
+        Qt3DCore::QEntity *entity = new Qt3DCore::QEntity(root);
+        Qt3DExtras::QPhongMaterial *material = new Qt3DExtras::QPhongMaterial();
+            entity->addComponent(material);
+    }
+
+    return root;
+}
+
+} // anonymous
+
+class tst_BenchMaterialParameterGathering : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+
+    void parameterGathering()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DRender::TestAspect> aspect(new Qt3DRender::TestAspect(buildTestScene(2000)));
+
+        // WHEN
+        Qt3DRender::Render::MaterialParameterGathererJobPtr gatheringJob = aspect->materialGathererJob();
+        gatheringJob->setHandles(aspect->nodeManagers()->materialManager()->activeHandles());
+
+        QBENCHMARK {
+            gatheringJob->run();
+        }
+
+        QVERIFY(!gatheringJob->materialToPassAndParameter().empty());
+    }
+};
+
+QTEST_MAIN(tst_BenchMaterialParameterGathering)
+
+#include "tst_bench_materialparametergathering.moc"
diff --git a/tests/benchmarks/render/render.pro b/tests/benchmarks/render/render.pro
index ddbc6a800..7720a2d4a 100644
--- a/tests/benchmarks/render/render.pro
+++ b/tests/benchmarks/render/render.pro
@@ -2,5 +2,6 @@ TEMPLATE=subdirs
 
 qtConfig(private_tests) {
     SUBDIRS += jobs \
-               layerfiltering
+               layerfiltering \
+               materialparametergathering
 }