62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
// Filename: posixGraphicsStateGuardian.h
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// Created by: drose (14Jan12)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef POSIXGRAPHICSSTATEGUARDIAN_H
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#define POSIXGRAPHICSSTATEGUARDIAN_H
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#include "pandabase.h"
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#include "glgsg.h"
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////////////////////////////////////////////////////////////////////
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// Class : PosixGraphicsStateGuardian
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// Description : This GSG is used only for CallbackGraphicsWindow
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// (which might not be using the glx interfaces), to add
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// the ability to peek in libGL.so to find the extension
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// functions.
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////////////////////////////////////////////////////////////////////
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class PosixGraphicsStateGuardian : public GLGraphicsStateGuardian {
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public:
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PosixGraphicsStateGuardian(GraphicsEngine *engine, GraphicsPipe *pipe);
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~PosixGraphicsStateGuardian();
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protected:
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virtual void *do_get_extension_func(const char *name);
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void *get_system_func(const char *name);
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private:
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void *_libgl_handle;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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GLGraphicsStateGuardian::init_type();
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register_type(_type_handle, "PosixGraphicsStateGuardian",
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GLGraphicsStateGuardian::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "posixGraphicsStateGuardian.I"
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#endif
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