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#pragma once

#include <QImage>
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
#include <QSGTexture>

class QSGImageTexture : public QSGTexture
{
	Q_OBJECT
public:
	QSGImageTexture();
	~QSGImageTexture() override;

	void setOwnsTexture(bool owns) { m_owns_texture = owns; }
	bool ownsTexture() const { return m_owns_texture; }

	int textureId() const override;
	void setTextureSize(QSize size) { m_texture_size = size; }
	QSize textureSize() const override { return m_texture_size; }

	void setHasAlphaChannel(bool alpha) { m_has_alpha = alpha; }
	bool hasAlphaChannel() const override { return m_has_alpha; }

	bool hasMipmaps() const override { return false; }

	void setImage(const QImage &image);
	const QImage &image() { return m_image; }

	void bind() override;

	static QSGImageTexture *fromImage(const QImage &image) {
		QSGImageTexture *t = new QSGImageTexture();
		t->setImage(image);
		return t;
	}

protected:
	QImage m_image;

	uint m_texture_id;
	QSize m_texture_size;

	uint m_has_alpha : 1;
	uint m_dirty_texture : 1;
	uint m_dirty_bind_options : 1;
	uint m_owns_texture : 1;
};

#endif
