ResInsight/Fwk/VizFwk/LibRender/cvfRenderStateCullFace.h

79 lines
2.7 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library 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 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// 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 at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfRenderState.h"
namespace cvf {
//==================================================================================================
//
// Encapsulate OpenGL glCullFace() and glEnable(GL_CULL_FACE) functions.
//
//==================================================================================================
class RenderStateCullFace : public RenderState
{
public:
enum Mode
{
BACK, ///< Cull back facing polygons
FRONT, ///< Cull front facing polygons
FRONT_AND_BACK ///< No polygons are drawn, but other primitives such as points and lines are drawn
};
public:
RenderStateCullFace(bool enableCulling = true, Mode faceMode = BACK);
void enable(bool enableCulling);
bool isEnabled() const;
void setMode(Mode faceMode);
Mode mode() const;
virtual void applyOpenGL(OpenGLContext* oglContext) const;
private:
bool m_enableCulling;
Mode m_faceMode;
};
} // namespace cvf