void checkSyncFrustumCullingExecution()
{
// GIVEN
Qt3DRender::QViewport *viewport = new Qt3DRender::QViewport();
Qt3DRender::QClearBuffers *clearBuffer = new Qt3DRender::QClearBuffers(viewport);
Qt3DRender::QFrustumCulling *frustumCulling = new Qt3DRender::QFrustumCulling(clearBuffer);
Qt3DRender::QCameraSelector *cameraSelector = new Qt3DRender::QCameraSelector(frustumCulling);
Qt3DRender::QCamera *camera = new Qt3DRender::QCamera();
cameraSelector->setCamera(camera);
Qt3DRender::TestAspect testAspect(buildSimpleScene(viewport));
// THEN
Qt3DRender::Render::FrameGraphNode *leafNode = testAspect.nodeManagers()->frameGraphManager()->lookupNode(cameraSelector->id());
QVERIFY(leafNode != nullptr);
// WHEN
Qt3DRender::Render::RenderViewBuilder renderViewBuilder(leafNode, 0, testAspect.renderer());
renderViewBuilder.prepareJobs();
renderViewBuilder.buildJobHierachy();
// THEN
QCOMPARE(renderViewBuilder.frustumCullingJob()->viewProjection(), QMatrix4x4());
// WHEN
renderViewBuilder.renderViewJob()->run();
renderViewBuilder.syncFrustumCullingJob()->run();
// THEN
QCOMPARE(renderViewBuilder.frustumCullingJob()->viewProjection(), camera->projectionMatrix() * camera->viewMatrix());
}
QgsChunkedEntity::SceneState _sceneState( QgsCameraController *cameraController )
{
Qt3DRender::QCamera *camera = cameraController->camera();
QgsChunkedEntity::SceneState state;
state.cameraFov = camera->fieldOfView();
state.cameraPos = camera->position();
QRect rect = cameraController->viewport();
state.screenSizePx = std::max( rect.width(), rect.height() ); // TODO: is this correct?
state.viewProjectionMatrix = camera->projectionMatrix() * camera->viewMatrix();
return state;
}