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50 
51 #ifndef ETCPROVIDER_H
52 #define ETCPROVIDER_H
53 
54 #include <QOpenGLFunctions>
55 #include <QQuickImageProvider>
56 #include <QtQuick/QSGTexture>
57 #include <QUrl>
58 
59 class EtcProvider : public QQuickImageProvider
60 {
61 public:
EtcProvider()62     EtcProvider()
63         : QQuickImageProvider(QQuickImageProvider::Texture)
64     {}
65 
66     QQuickTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize);
67 
68     void setBaseUrl(const QUrl &base);
69 
70 private:
71     QUrl m_baseUrl;
72 };
73 
74 class EtcTexture : public QSGTexture, protected QOpenGLFunctions
75 {
76     Q_OBJECT
77 public:
78     EtcTexture();
79     ~EtcTexture();
80 
81     void bind();
82 
textureSize()83     QSize textureSize() const { return m_size; }
84     int textureId() const;
85 
hasAlphaChannel()86     bool hasAlphaChannel() const { return false; }
hasMipmaps()87     bool hasMipmaps() const { return false; }
88 
89     QByteArray m_data;
90     QSize m_size;
91     QSize m_paddedSize;
92     GLuint m_texture_id;
93     bool m_uploaded;
94 };
95 
96 #endif // ETCPROVIDER_H
97