First step towards graphics abstraction and added a TinyGL driver.

gfx/opengl.h

@@ -0,0 +1,66 @@
+/* Residual - A 3D game interpreter
+ *
+ * Residual is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the AUTHORS
+ * file distributed with this source distribution.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library 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
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef STARK_GFX_OPENGL_H
+#define STARK_GFX_OPENGL_H
+
+#ifdef USE_OPENGL
+
+#include "engines/stark/gfx/driver.h"
+
+namespace Stark {
+
+class OpenGLGfxDriver : public GfxDriver {
+public:
+	OpenGLGfxDriver();
+	~OpenGLGfxDriver();
+
+	const char *getVideoDeviceName();
+
+	void setupScreen(int screenW, int screenH, bool fullscreen);
+
+	void clearScreen();
+	void flipBuffer();
+
+	void drawSurface(Graphics::Surface *surface);
+
+/*
+	bool isHardwareAccelerated();
+
+	void set3DMode();
+
+	void setupCamera(float fov, float nclip, float fclip, float roll);
+	void positionCamera(Graphics::Vector3d pos, Graphics::Vector3d interest);
+
+	void translateViewpointStart(Graphics::Vector3d pos, float pitch, float yaw, float roll);
+	void translateViewpointFinish();
+*/
+};
+
+} // End of namespace Stark
+
+#endif // USE_OPENGL
+
+#endif // STARK_GFX_OPENGL_H