TextureSource.hpp

#pragma once
#if defined(SCORE_HAS_GPU_JS)
#include <Execution/DocumentPlugin.hpp>
#include <Gfx/GfxContext.hpp>
#include <Gfx/TexturePort.hpp>
 
#include <QPointer>
#include <QQuickRhiItem>
#include <QSGSimpleTextureNode>
#include <QSGTexture>
#include <QTimer>
 
#include <private/qrhi_p.h>
 
#include <memory>
#include <verdigris>
 
namespace Gfx
{
class DocumentPlugin;
}
 
namespace score::gfx
{
class Node;
class PreviewNode;
}
 
namespace JS
{
 
class TextureSource : public QQuickRhiItem
{
  W_OBJECT(TextureSource)
  QML_ELEMENT
 
public:
  explicit TextureSource(QQuickItem* parent = nullptr);
  ~TextureSource();
 
  // QML Properties
  INLINE_PROPERTY_CREF(QString, process, = "", process, setProcess, processChanged)
  INLINE_PROPERTY_CREF(QVariant, port, = "", port, setPort, portChanged)
 
  QQuickRhiItemRenderer* createRenderer() override;
 
protected:
  void geometryChange(const QRectF& newGeometry, const QRectF& oldGeometry) override;
  void componentComplete() override;
  void releaseResources() override;
 
  void handleWindowChanged(QQuickWindow* window);
  void onRenderFrame();
 
private:
  friend class TextureSourceRenderer;
  void rebuild();
  void do_rebuild();
  bool connectToOutlet();
  void disconnectFromOutlet();
  QRhiTexture* extractTextureFromNode();
 
  QPointer<Gfx::TextureOutlet> m_outlet{};
  QPointer<Gfx::DocumentPlugin> m_gfxPlugin{};
  QPointer<Execution::DocumentPlugin> m_execPlugin{};
  QPointer<Process::ProcessModel> m_processPtr;
 
  // For texture extraction from the graph
  bool m_isConnected = false;
  bool m_needsRebuild = false;
  int m_nodeId{-1};
};
 
}
#endif