ResInsight/Fwk/VizFwk/LibRender/cvfRenderStateColorMask.cpp

149 lines
5.4 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.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfRenderStateColorMask.h"
#include "cvfAssert.h"
#include "cvfOpenGL.h"
namespace cvf {
//==================================================================================================
///
/// \class cvf::RenderStateColorMask
/// \ingroup Render
///
/// Encapsulate OpenGL glColorMask() function.
///
/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glColorMask.xml
//==================================================================================================
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RenderStateColorMask::RenderStateColorMask(bool writeAllComponents)
: RenderState(COLOR_MASK),
m_writeRed(writeAllComponents),
m_writeGreen(writeAllComponents),
m_writeBlue(writeAllComponents),
m_writeAlpha(writeAllComponents)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStateColorMask::enable(bool writeRed, bool writeGreen, bool writeBlue, bool writeAlpha)
{
m_writeRed = writeRed;
m_writeGreen = writeGreen;
m_writeBlue = writeBlue;
m_writeAlpha = writeAlpha;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStateColorMask::enableWriteAllComponents(bool writeAllComponents)
{
m_writeRed = writeAllComponents;
m_writeGreen = writeAllComponents;
m_writeBlue = writeAllComponents;
m_writeAlpha = writeAllComponents;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStateColorMask::isRedEnabled() const
{
return m_writeRed;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStateColorMask::isGreenEnabled() const
{
return m_writeGreen;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStateColorMask::isBlueEnabled() const
{
return m_writeBlue;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStateColorMask::isAlphaEnabled() const
{
return m_writeAlpha;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStateColorMask::applyOpenGL(OpenGLContext* oglContext) const
{
GLboolean writeRed = m_writeRed ? static_cast<GLboolean>(GL_TRUE) : static_cast<GLboolean>(GL_FALSE);
GLboolean writeGreen = m_writeGreen ? static_cast<GLboolean>(GL_TRUE) : static_cast<GLboolean>(GL_FALSE);
GLboolean writeBlue = m_writeBlue ? static_cast<GLboolean>(GL_TRUE) : static_cast<GLboolean>(GL_FALSE);
GLboolean writeAlpha = m_writeAlpha ? static_cast<GLboolean>(GL_TRUE) : static_cast<GLboolean>(GL_FALSE);
glColorMask(writeRed, writeGreen, writeBlue, writeAlpha);
CVF_CHECK_OGL(oglContext);
}
} // namespace cvf