485709f708
Moved the #defines into new include/osg/GLDefines Converted all GL2Extensions usage to GLExtensions usage git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14593 16af8721-9629-0410-8352-f15c8da7e697
100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* 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
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
#include <osg/GLExtensions>
|
|
#include <osg/GL>
|
|
#include <osg/State>
|
|
#include <osg/Point>
|
|
#include <osg/Notify>
|
|
|
|
using namespace osg;
|
|
|
|
// ARB, EXT and SGIS versions use same values as OpenGL version 1.4.
|
|
#ifndef GL_VERSION_1_4
|
|
# define GL_POINT_SIZE_MIN 0x8126
|
|
# define GL_POINT_SIZE_MAX 0x8127
|
|
# define GL_POINT_FADE_THRESHOLD_SIZE 0x8128
|
|
# define GL_POINT_DISTANCE_ATTENUATION 0x8129
|
|
#endif
|
|
|
|
Point::Point()
|
|
{
|
|
_size = 1.0f; // TODO find proper default
|
|
_fadeThresholdSize = 1.0f; // TODO find proper default
|
|
_distanceAttenuation = Vec3(1, 0.0, 0.0); // TODO find proper default
|
|
|
|
_minSize = 0.0;
|
|
_maxSize = 100.0;//depends on mulitsampling ... some default necessary
|
|
}
|
|
|
|
Point::Point(float size)
|
|
{
|
|
_size = size;
|
|
_fadeThresholdSize = 1.0f; // TODO find proper default
|
|
_distanceAttenuation = Vec3(1, 0.0, 0.0); // TODO find proper default
|
|
|
|
_minSize = 0.0;
|
|
_maxSize = 100.0;//depends on mulitsampling ... some default necessary
|
|
}
|
|
|
|
Point::~Point()
|
|
{
|
|
}
|
|
|
|
|
|
void Point::setSize( float size )
|
|
{
|
|
_size = size;
|
|
}
|
|
|
|
|
|
void Point::setFadeThresholdSize(float fadeThresholdSize)
|
|
{
|
|
_fadeThresholdSize = fadeThresholdSize;
|
|
}
|
|
|
|
|
|
void Point::setDistanceAttenuation(const Vec3& distanceAttenuation)
|
|
{
|
|
_distanceAttenuation = distanceAttenuation;
|
|
}
|
|
|
|
void Point::setMinSize(float minSize)
|
|
{
|
|
_minSize = minSize;
|
|
}
|
|
|
|
void Point::setMaxSize(float maxSize)
|
|
{
|
|
_maxSize = maxSize;
|
|
}
|
|
|
|
void Point::apply(State& state) const
|
|
{
|
|
#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE
|
|
glPointSize(_size);
|
|
|
|
const GLExtensions* extensions = state.get<GLExtensions>();
|
|
|
|
if (!extensions->isPointParametersSupported)
|
|
return;
|
|
|
|
extensions->glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, (const GLfloat*)&_distanceAttenuation);
|
|
extensions->glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, _fadeThresholdSize);
|
|
extensions->glPointParameterf(GL_POINT_SIZE_MIN, _minSize);
|
|
extensions->glPointParameterf(GL_POINT_SIZE_MAX, _maxSize);
|
|
#else
|
|
OSG_NOTICE<<"Warning: Point::apply(State&) - not supported."<<std::endl;
|
|
#endif
|
|
}
|