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https://github.com/OPM/ResInsight.git
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139 lines
4.4 KiB
C++
139 lines
4.4 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#include "cvfBase.h"
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#include "cvfRenderStateCullFace.h"
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#include "cvfAssert.h"
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#include "cvfOpenGL.h"
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namespace cvf {
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//==================================================================================================
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///
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/// \class cvf::RenderStateCullFace
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/// \ingroup Render
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///
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/// Encapsulate OpenGL glCullFace() and glEnable(GL_CULL_FACE) functions.
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///
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/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glCullFace.xml
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/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glEnable.xml
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//==================================================================================================
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RenderStateCullFace::RenderStateCullFace(bool enableCulling, Mode faceMode)
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: RenderState(CULL_FACE),
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m_enableCulling(enableCulling),
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m_faceMode(faceMode)
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStateCullFace::enable(bool enableCulling)
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{
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m_enableCulling = enableCulling;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool RenderStateCullFace::isEnabled() const
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{
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return m_enableCulling;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStateCullFace::setMode(Mode faceMode)
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{
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m_faceMode = faceMode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RenderStateCullFace::Mode RenderStateCullFace::mode() const
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{
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return m_faceMode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStateCullFace::applyOpenGL(OpenGLContext* oglContext) const
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{
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if (m_enableCulling)
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{
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if (m_faceMode == BACK)
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{
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glCullFace(GL_BACK);
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}
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else if (m_faceMode == FRONT)
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{
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glCullFace(GL_FRONT);
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}
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else
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{
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glCullFace(GL_FRONT_AND_BACK);
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}
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glEnable(GL_CULL_FACE);
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}
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else
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{
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glDisable(GL_CULL_FACE);
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}
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CVF_CHECK_OGL(oglContext);
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}
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} // namespace cvf
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