split fbo and texture into two separate objects

app/render/renderframebuffer.h

@@ -0,0 +1,60 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef RENDERFRAMEBUFFER_H
+#define RENDERFRAMEBUFFER_H
+
+#include <QOpenGLContext>
+
+#include "rendertexture.h"
+
+class RenderFramebuffer : public QObject
+{
+public:
+  RenderFramebuffer();
+  ~RenderFramebuffer();
+  RenderFramebuffer(const RenderFramebuffer& other) = delete;
+  RenderFramebuffer(RenderFramebuffer&& other) = delete;
+  RenderFramebuffer& operator=(const RenderFramebuffer& other) = delete;
+  RenderFramebuffer& operator=(RenderFramebuffer&& other) = delete;
+
+  void Create(QOpenGLContext *ctx);
+
+  void Destroy();
+
+  bool IsCreated() const;
+
+  void Bind();
+
+  void Release();
+
+  void Attach(RenderTexturePtr texture);
+
+  void Detach();
+
+private:
+  QOpenGLContext* context_;
+
+  GLuint buffer_;
+
+  RenderTexturePtr texture_;
+};
+
+#endif // RENDERFRAMEBUFFER_H