Avoid initializing QFlags with 0 or nullptr

It is being deprecated.

Change-Id: Idb6e794be1a26a3ca7c1d19ac1f47e4a0125f11b
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

src/animation/backend/channelmapping.cpp

@@ -59,7 +59,6 @@ ChannelMapping::ChannelMapping()
     , m_componentCount(0)
     , m_propertyName(nullptr)
     , m_callback(nullptr)
-    , m_callbackFlags(0)
     , m_skeletonId()
     , m_mappingType(MappingType::ChannelMappingType)
 {
@@ -74,7 +73,7 @@ void ChannelMapping::cleanup()
     m_propertyName = nullptr;
     m_componentCount = 0;
     m_callback = nullptr;
-    m_callbackFlags = 0;
+    m_callbackFlags = {};
     m_skeletonId = Qt3DCore::QNodeId();
 }
 

src/animation/frontend/qcallbackmapping.cpp

@@ -51,7 +51,6 @@ QCallbackMappingPrivate::QCallbackMappingPrivate()
     , m_channelName()
     , m_type(static_cast<int>(QVariant::Invalid))
     , m_callback(nullptr)
-    , m_callbackFlags(0)
 {
     m_mappingType = QChannelMappingCreatedChangeBase::CallbackMapping;
 }

src/render/renderers/opengl/renderer/renderer.cpp

@@ -1889,9 +1889,9 @@ QVector<Qt3DCore::QAspectJobPtr> Renderer::renderBinJobs()
     m_updateLevelOfDetailJob->setFrameGraphRoot(frameGraphRoot());
 
     const BackendNodeDirtySet dirtyBitsForFrame = m_dirtyBits.marked | m_dirtyBits.remaining;
-    m_dirtyBits.marked = 0;
-    m_dirtyBits.remaining = 0;
-    BackendNodeDirtySet notCleared = 0;
+    m_dirtyBits.marked = {};
+    m_dirtyBits.remaining = {};
+    BackendNodeDirtySet notCleared = {};
 
     // Add jobs
     const bool entitiesEnabledDirty = dirtyBitsForFrame & AbstractRenderer::EntityEnabledDirty;

src/render/renderers/opengl/renderer/renderer_p.h

@@ -352,8 +352,8 @@ private:
     QAtomicInt m_exposed;
 
     struct DirtyBits {
-        BackendNodeDirtySet marked = 0; // marked dirty since last job build
-        BackendNodeDirtySet remaining = 0; // remaining dirty after jobs have finished
+        BackendNodeDirtySet marked; // marked dirty since last job build
+        BackendNodeDirtySet remaining; // remaining dirty after jobs have finished
     };
     DirtyBits m_dirtyBits;
 

tests/auto/render/commons/testrenderer.cpp

@@ -30,11 +30,7 @@
 
 QT_BEGIN_NAMESPACE
 
-TestRenderer::TestRenderer()
-    : m_changes(0)
-    , m_managers(nullptr)
-{
-}
+TestRenderer::TestRenderer() = default;
 
 TestRenderer::~TestRenderer()
 {
@@ -60,7 +56,7 @@ void TestRenderer::clearDirtyBits(Qt3DRender::Render::AbstractRenderer::BackendN
 
 void TestRenderer::resetDirty()
 {
-    m_changes = 0;
+    m_changes = {};
 }
 
 QVariant TestRenderer::executeCommand(const QStringList &args)

tests/auto/render/commons/testrenderer.h

@@ -90,7 +90,7 @@ public:
 
 protected:
     Qt3DRender::Render::AbstractRenderer::BackendNodeDirtySet m_changes;
-    Qt3DRender::Render::NodeManagers *m_managers;
+    Qt3DRender::Render::NodeManagers *m_managers = nullptr;
 };
 
 QT_END_NAMESPACE