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136 lines
4.3 KiB
C++
136 lines
4.3 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2012 Ceetron AS
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//
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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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//##################################################################################################
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#include "cvfBase.h"
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#include "cvfRenderStatePolygonMode.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::RenderStatePolygonMode
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/// \ingroup Render
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///
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///
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///
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//==================================================================================================
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RenderStatePolygonMode::RenderStatePolygonMode(Mode frontAndBackFaceMode)
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: RenderState(POLYGON_MODE),
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m_frontFaceMode(frontAndBackFaceMode),
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m_backFaceMode(frontAndBackFaceMode)
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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 RenderStatePolygonMode::set(Mode frontAndBackMode)
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{
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m_frontFaceMode = frontAndBackMode;
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m_backFaceMode = frontAndBackMode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStatePolygonMode::setFrontFace(Mode mode)
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{
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m_frontFaceMode = mode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStatePolygonMode::setBackFace(Mode mode)
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{
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m_backFaceMode = mode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RenderStatePolygonMode::Mode RenderStatePolygonMode::frontFace() const
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{
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return m_frontFaceMode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RenderStatePolygonMode::Mode RenderStatePolygonMode::backFace() const
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{
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return m_backFaceMode;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RenderStatePolygonMode::applyOpenGL(OpenGLContext* oglContext) const
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{
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#ifndef CVF_OPENGL_ES
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if (m_frontFaceMode == m_backFaceMode)
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{
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glPolygonMode(GL_FRONT_AND_BACK, polygonModeOpenGL(m_frontFaceMode));
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}
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else
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{
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glPolygonMode(GL_FRONT, polygonModeOpenGL(m_frontFaceMode));
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glPolygonMode(GL_BACK, polygonModeOpenGL(m_backFaceMode));
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}
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#endif
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CVF_CHECK_OGL(oglContext);
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvfGLenum RenderStatePolygonMode::polygonModeOpenGL(Mode mode)
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{
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switch (mode)
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{
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#ifndef CVF_OPENGL_ES
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case FILL: return GL_FILL;
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case LINE: return GL_LINE;
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case POINT: return GL_POINT;
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default: CVF_FAIL_MSG("Unhandled polygon mode");
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#endif
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}
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return 0;
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}
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} // namespace cvf
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