1 files changed, 49 insertions, 0 deletions
diff --git a/src/plugins/platforms/mirclient/qmirclientbackingstore.h b/src/plugins/platforms/mirclient/qmirclientbackingstore.h
new file mode 100644
index 0000000000..a2fe1da01e
--- /dev/null
+++ b/src/plugins/platforms/mirclient/qmirclientbackingstore.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 Canonical, Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3, as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
+ * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef QMIRCLIENTBACKINGSTORE_H
+#define QMIRCLIENTBACKINGSTORE_H
+
+#include <qpa/qplatformbackingstore.h>
+
+class QOpenGLContext;
+class QOpenGLTexture;
+class QOpenGLTextureBlitter;
+
+class QMirClientBackingStore : public QPlatformBackingStore
+{
+public:
+    QMirClientBackingStore(QWindow* window);
+    virtual ~QMirClientBackingStore();
+
+    // QPlatformBackingStore methods.
+    void beginPaint(const QRegion&) override;
+    void flush(QWindow* window, const QRegion& region, const QPoint& offset) override;
+    void resize(const QSize& size, const QRegion& staticContents) override;
+    QPaintDevice* paintDevice() override;
+
+protected:
+    void updateTexture();
+
+private:
+    QScopedPointer<QOpenGLContext> mContext;
+    QScopedPointer<QOpenGLTexture> mTexture;
+    QScopedPointer<QOpenGLTextureBlitter> mBlitter;
+    QImage mImage;
+    QRegion mDirty;
+};
+
+#endif // QMIRCLIENTBACKINGSTORE_H