GRAPHICS: Move common OpenGL files into graphics/opengl

graphics/opengl/framebuffer.h

@@ -0,0 +1,55 @@
+/* ResidualVM - A 3D game interpreter
+ *
+ * ResidualVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef GRAPHICS_FRAMEBUFFER_H
+#define GRAPHICS_FRAMEBUFFER_H
+
+#include "graphics/opengl/system_headers.h"
+#include "graphics/opengl/texture.h"
+
+namespace Graphics {
+
+class FrameBuffer : public Texture {
+public:
+	FrameBuffer(uint width, uint height);
+	FrameBuffer(GLuint texture_name, uint width, uint height, uint texture_width, uint texture_height);
+#ifdef AMIGAOS
+	~FrameBuffer() {}
+
+	void attach() {}
+	void detach() {}
+#else
+	~FrameBuffer();
+
+	void attach();
+	void detach();
+#endif
+
+private:
+	void init();
+	GLuint _renderBuffers[2];
+	GLuint _frameBuffer;
+};
+
+}
+
+#endif