itsmattkc
ceb70a1870
context More intuitive code flow and allows the user to undock the viewer (which forcibly destroys and recreates the context) and the viewer will handle creation of the new texture in said new context.
151 lines
3.0 KiB
C++
151 lines
3.0 KiB
C++
#ifndef RENDERBACKEND_H
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#define RENDERBACKEND_H
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#include <QLinkedList>
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#include "common/constructors.h"
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#include "dialog/rendercancel/rendercancel.h"
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#include "decodercache.h"
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#include "node/graph.h"
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#include "node/output/viewer/viewer.h"
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#include "renderworker.h"
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class RenderBackend : public QObject
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{
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Q_OBJECT
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public:
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RenderBackend(QObject* parent = nullptr);
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bool Init();
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void Close();
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const QString& GetError() const;
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void SetViewerNode(ViewerOutput* viewer_node);
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bool IsInitiated();
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ViewerOutput* viewer_node() const;
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void CancelQueue();
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public slots:
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void InvalidateCache(const rational &start_range, const rational &end_range);
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bool Compile();
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void Decompile();
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signals:
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void QueueComplete();
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protected:
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void RegenerateCacheID();
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virtual bool InitInternal();
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virtual void CloseInternal();
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virtual bool CompileInternal() = 0;
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virtual void DecompileInternal() = 0;
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virtual bool CanRender();
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virtual TimeRange PopNextFrameFromQueue();
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rational GetSequenceLength();
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const QVector<QThread*>& threads();
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/**
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* @brief Internal function for generating the cache ID
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*/
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virtual bool GenerateCacheIDInternal(QCryptographicHash& hash) = 0;
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virtual void InvalidateCacheInternal(const rational &start_range, const rational &end_range);
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virtual void CacheIDChangedEvent(const QString& id);
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void SetError(const QString& error);
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virtual void ConnectViewer(ViewerOutput* node);
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virtual void DisconnectViewer(ViewerOutput* node);
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/**
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* @brief Function called when there are frames in the queue to cache
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*
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* This function is NOT thread-safe and should only be called in the main thread.
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*/
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void CacheNext();
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void InitWorkers();
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virtual NodeInput* GetDependentInput() = 0;
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virtual void ConnectWorkerToThis(RenderWorker* worker) = 0;
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bool ViewerIsConnected() const;
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const QString& cache_id() const;
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void QueueValueUpdate();
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bool AllProcessorsAreAvailable() const;
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bool WorkerIsBusy(RenderWorker* worker) const;
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void SetWorkerBusyState(RenderWorker* worker, bool busy);
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TimeRangeList cache_queue_;
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QVector<RenderWorker*> processors_;
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bool compiled_;
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QHash<TimeRange, qint64> render_job_info_;
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protected slots:
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void QueueRecompile();
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private:
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/**
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* @brief Internal list of RenderProcessThreads
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*/
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QVector<QThread*> threads_;
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/**
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* @brief Internal variable that contains whether the Renderer has started or not
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*/
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bool started_;
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/**
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* @brief Internal reference to attached viewer node
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*/
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ViewerOutput* viewer_node_;
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/**
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* @brief Internal reference to the copied viewer node we made in the compilation process
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*/
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ViewerOutput* copied_viewer_node_;
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/**
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* @brief Error string that can be set in SetError() to handle failures
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*/
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QString error_;
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QString cache_id_;
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QList<Node*> source_node_list_;
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NodeGraph copied_graph_;
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bool recompile_queued_;
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bool input_update_queued_;
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QVector<bool> processor_busy_state_;
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RenderCancelDialog* cancel_dialog_;
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};
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#endif // RENDERBACKEND_H
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