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GLWidget.h
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GLWidget.h
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#ifndef GLWidget_H
#define GLWidget_H
#include <QOpenGLWidget>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QOpenGLShaderProgram>
#include "GLDrawingFacilities.h"
class GLWidget : public QOpenGLWidget
{
Q_OBJECT
public:
enum class RenderStrategyEnum { WBOIT, CODB, Additive, AdditiveEP };
explicit GLWidget(RenderStrategyEnum strategy, QWidget * parent);
~GLWidget() override;
[[nodiscard]] GLuint GenVAO();
[[nodiscard]] bool DeleteVAO(GLuint vao);
protected:
void initializeGL() override;
void resizeGL(int width, int height) override;
void paintGL() override;
private:
struct Impl;
std::unique_ptr<Impl> impl;
};
extern std::vector<GLWidget *> g_GLWidgets;
class GLWidgetSignalEmitter : public QObject
{
Q_OBJECT
explicit GLWidgetSignalEmitter() = default;
public:
static GLWidgetSignalEmitter & Instance();
signals:
void GoingToDie(GLWidget *);
void ComingToLife(GLWidget *);
};
#endif // GLWidget_H