projectmrendernode.h

#ifndef PROJECTMRENDERNODE_H
#define PROJECTMRENDERNODE_H

#include <QSGRenderNode>
#include <QQuickWindow>
#include <QOpenGLFunctions>
#include <QQuickOpenGLUtils>
#include <projectM-4/projectM.h>
#include <projectM-4/audio.h>

class ProjectMRenderNode : public QSGRenderNode, protected QOpenGLFunctions {
public:
    explicit ProjectMRenderNode(int x, int y, int width, int height);
    ~ProjectMRenderNode() override;

    void render(const RenderState* state) override;
    StateFlags changedStates() const override { return DepthState; }
    RenderingFlags flags() const override { return BoundedRectRendering; }

    void setSize(int width, int height);
    void setPosition(int x, int y);

    void setAudioData(const float* pcm, int samples) const;

private:
    std::unique_ptr<projectm_handle> m_projectM;
    QOpenGLContext* m_projectMRenderContext;
    QQuickWindow* m_window;
    int m_width, m_height;
    int m_x, m_y;
    bool shouldUpdateSize = true;
};

#endif // PROJECTMRENDERNODE_H