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+/*
+ *
+ * Compiz bicubic filter plugin
+ *
+ * bicubic.h
+ *
+ * Copyright : (C) 2008 by Dennis Kasprzyk
+ * E-mail : onestone@opencompositing.org
+ *
+ * Ported to Compiz 0.9 by:
+ * Copyright : (C) 2008 by Sam Spilsbury
+ * E-mail : smspillaz@gmail.com
+ *
+ *
+ * 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.
+ *
+ */
+
+#include <core/core.h>
+#include <composite/composite.h>
+#include <opengl/opengl.h>
+
+#include "bicubic_options.h"
+
+class BicubicFunction
+{
+ public:
+ int handle;
+ int target;
+ int param;
+ int unit;
+};
+
+class BicubicScreen :
+ public PluginClassHandler <BicubicScreen, CompScreen>,
+ public BicubicOptions
+{
+ public:
+ BicubicScreen (CompScreen *screen);
+ ~BicubicScreen ();
+
+ GLScreen *gScreen;
+ CompositeScreen *cScreen;
+
+ std::list <BicubicFunction *> func;
+
+ GLenum lTexture;
+
+ int
+ getBicubicFragmentFunction (GLTexture *texture,
+ int param,
+ int unit);
+
+ void
+ generateLookupTexture (GLenum format);
+};
+
+class BicubicWindow :
+ public PluginClassHandler <BicubicWindow, CompWindow>,
+ public GLWindowInterface
+{
+ public:
+ BicubicWindow (CompWindow *);
+
+ CompositeWindow *cWindow;
+ GLWindow *gWindow;
+
+ void
+ glDrawTexture (GLTexture *texture,
+ GLFragment::Attrib &,
+ unsigned int);
+};
+
+#define BICUBIC_SCREEN(s) \
+ BicubicScreen *bs = BicubicScreen::get (s)
+
+#define BICUBIC_WINDOW(w) \
+ BicubicWindow *bw = BicubicWindow::get (w)
+
+class BicubicPluginVTable :
+ public CompPlugin::VTableForScreenAndWindow <BicubicScreen, BicubicWindow>
+{
+ public:
+
+ bool init ();
+};