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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest>
#include <ssg/qssgrendercontextcore.h>
#include <QtQuick3DRuntimeRender/private/qssgrhicustommaterialsystem_p.h>
#include <QtQuick3DRuntimeRender/private/qssgdebugdrawsystem_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendershadercodegenerator_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderer_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendercamera_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderpickresult_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrenderbuffermanager_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendermodel_p.h>
class picking : public QObject
{
Q_OBJECT
public:
picking();
~picking() = default;
private Q_SLOTS:
void initTestCase();
void bench_picking1();
void bench_picking1Miss();
void bench_picking1in1k();
void bench_picking1in1kMiss();
private:
std::unique_ptr<QSSGRenderContextInterface> renderCtx;
void benchImpl(int count, bool hit);
};
picking::picking()
: renderCtx(std::make_unique<QSSGRenderContextInterface>(std::make_unique<QSSGBufferManager>()
, std::make_unique<QSSGRenderer>()
, nullptr
, nullptr
, nullptr
, nullptr
, std::make_unique<QSSGRhiContext>(QRhi::create(QRhi::Implementation::Null, nullptr))))
{
}
void picking::initTestCase()
{
QSKIP("Test does not work with the RHI implementation at the moment");
}
void picking::bench_picking1()
{
benchImpl(1, true);
}
void picking::bench_picking1Miss()
{
benchImpl(1, false);
}
void picking::bench_picking1in1k()
{
benchImpl(1000, true);
}
void picking::bench_picking1in1kMiss()
{
benchImpl(1, false);
}
void picking::benchImpl(int count, bool hit)
{
Q_ASSERT(count > 0 && count <= 1000);
const auto &bufferManager = renderCtx->bufferManager();
QVector2D viewportDim(400.0f, 400.0f);
QSSGRenderLayer dummyLayer;
QMatrix4x4 globalTransform;
QMatrix4x4 viewProjection;
QSSGRenderCamera dummyCamera(QSSGRenderCamera::Type::OrthographicCamera);
dummyCamera.localTransform.translate(QVector3D(0.0f, 0.0f, 600.0f));
static_cast<QSSGRenderNode &>(dummyCamera).markDirty(QSSGRenderNode::DirtyFlag::TransformDirty);
QSSGRenderCamera::calculateProjectionInternal(dummyCamera, QRectF(QPointF(), QSizeF(viewportDim.x(), viewportDim.y())));
dummyCamera.calculateViewProjectionMatrix(globalTransform, viewProjection);
dummyLayer.renderedCameras = { &dummyCamera };
static const auto setModelPosition = [](QSSGRenderModel &model, const QVector3D &pos) {
model.localTransform.translate(pos);
model.markDirty(QSSGRenderNode::DirtyFlag::TransformDirty);
};
QSSGRenderModel models[1000];
const auto cubeMeshPath = QSSGRenderPath(QStringLiteral("#Cube"));
for (int i = 0; i != count; ++i) {
auto &model = models[i];
model.meshPath = cubeMeshPath;
model.setState(QSSGRenderModel::LocalState::Pickable);
setModelPosition(model, { 0.0f + i, 0.0f + i, 0.0f + i });
dummyLayer.addChild(model);
}
// Since we're using the same mesh for each model, we only need to call loadMesh() once.
bufferManager->loadMesh(models[0]);
QVarLengthArray<QSSGRenderPickResult, 20> res;
QSSGRenderRay ray = hit ? QSSGRenderRay{ { 0.0f, 0.0f, -100.0f }, { 0.0f, 0.0f, 1.0f } } : QSSGRenderRay{ { 0.0f, 0.0f, -100.0f }, { 1.0f, 0.0f, 0.0f } };
QBENCHMARK {
res = QSSGRendererPrivate::syncPick(*renderCtx, dummyLayer, ray);
}
QVERIFY(!res.isEmpty());
QVERIFY(res.first().m_hitObject != nullptr);
}
QTEST_APPLESS_MAIN(picking)
#include "tst_picking.moc"
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