ResInsight/Fwk/VizFwk/LibRender/cvfRenderStatePolygonOffset.cpp
Sigurd Pettersen ce9a65ee41
VizFwk housekeeping (#11026)
Housekeeping in VizFwk in preparation for introducing support for QOpenGLWidget and Qt6

* Adjusted unit tests to changes in source code
* Use Qt5 as default and removed copying of Qt DLLs
* Removed support for Qt4
* Removed the CVF_OPENGL_ES define. If we ever want to re-introduce support fro OpenGLES/Angle it should be handled differently.
*Added include of <locale.h>
* Added target for running Glsl2Include in order to build cvfShaderSourceStrings.h
* Removed all usage of CVF_USING_CMAKE
* Removed visual studio project files
2024-01-09 14:38:57 +01:00

213 lines
7.0 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 "cvfAssert.h"
#include "cvfRenderStatePolygonOffset.h"
#include "cvfOpenGL.h"
namespace cvf {
//==================================================================================================
///
/// \class cvf::RenderStatePolygonOffset
/// \ingroup Render
///
/// Encapsulate OpenGL glPolygonOffset() and glEnable()/glDisable() with GL_POLYGON_OFFSET_FILL/LINE/POINT
///
/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glPolygonOffset.xml
/// \sa http://www.opengl.org/sdk/docs/man/xhtml/glEnable.xml
///
//==================================================================================================
RenderStatePolygonOffset::RenderStatePolygonOffset()
: RenderState(POLYGON_OFFSET),
m_factor(0.0f),
m_units(0.0f),
m_enableFillMode(false),
m_enableLineMode(false),
m_enablePointMode(false)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::enableFillMode(bool enableFill)
{
m_enableFillMode = enableFill;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::enableLineMode(bool enableLine)
{
m_enableLineMode = enableLine;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::enablePointMode(bool enablePoint)
{
m_enablePointMode = enablePoint;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStatePolygonOffset::isFillModeEnabled() const
{
return m_enableFillMode;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStatePolygonOffset::isLineModeEnabled() const
{
return m_enableLineMode;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RenderStatePolygonOffset::isPointModeEnabled() const
{
return m_enablePointMode;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::setFactor(float factor)
{
m_factor = factor;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::setUnits(float units)
{
m_units = units;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
float RenderStatePolygonOffset::factor() const
{
return m_factor;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
float RenderStatePolygonOffset::units() const
{
return m_units;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::configurePolygonPositiveOffset()
{
m_enableFillMode = true;
m_enableLineMode = false;
m_enablePointMode = false;
m_factor = 1.0;
m_units = 1.0;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::configureLineNegativeOffset()
{
m_enableFillMode = false;
m_enableLineMode = true;
m_enablePointMode = false;
m_factor = -1.0;
m_units = -1.0;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RenderStatePolygonOffset::applyOpenGL(OpenGLContext* oglContext) const
{
if (m_enableFillMode ||
m_enableLineMode ||
m_enablePointMode)
{
glPolygonOffset(m_factor, m_units);
}
if (m_enableFillMode) glEnable(GL_POLYGON_OFFSET_FILL);
else glDisable(GL_POLYGON_OFFSET_FILL);
if (m_enableLineMode) glEnable(GL_POLYGON_OFFSET_LINE);
else glDisable(GL_POLYGON_OFFSET_LINE);
if (m_enablePointMode) glEnable(GL_POLYGON_OFFSET_POINT);
else glDisable(GL_POLYGON_OFFSET_POINT);
CVF_CHECK_OGL(oglContext);
}
} // namespace cvf