Hi all.
Just noticed that it is not possible to toggle the
setUseVertexAttributeAliasing after a viewer has been realized and
frame/run has been called and any text is involved in the scene. The
attached code is a modified osgViewer. If 's' (statistics) is shown after
the call to setUseVertexAttributeAliasing, I get a callstack, meaning it
is not possible to toggle this feature while an application is being run.
Is that intentional?
I am running OSG 3.6.4 on Windows 10
>
osg160-osg.dll!osg::VertexArrayState::applyDisablingOfVertexAttributes(osg::State
& state) Line 294 C++
osg160-osg.dll!osg::Geometry::drawVertexArraysImplementation(osg::RenderInfo
& renderInfo) Line 989 C++
osg160-osg.dll!osg::Geometry::drawImplementation(osg::RenderInfo &
renderInfo) Line 899 C++
osg160-osg.dll!osg::Drawable::drawInner(osg::RenderInfo & renderInfo)
Line 277 C++
osg160-osg.dll!osg::Drawable::draw(osg::RenderInfo & renderInfo) Line 619
C++
osg160-osgUtil.dll!osgUtil::RenderLeaf::render(osg::RenderInfo &
renderInfo, osgUtil::RenderLeaf * previous) Line 84 C++
osg160-osgUtil.dll!osgUtil::RenderBin::drawImplementation(osg::RenderInfo
& renderInfo, osgUtil::RenderLeaf * & previous) Line 488 C++
osg160-osgUtil.dll!osgUtil::RenderStage::drawImplementation(osg::RenderInfo
& renderInfo, osgUtil::RenderLeaf * & previous) Line 1408 C++
osg160-osgUtil.dll!osgUtil::RenderBin::draw(osg::RenderInfo & renderInfo,
osgUtil::RenderLeaf * & previous) Line 432 C++
osg160-osgUtil.dll!osgUtil::RenderStage::drawInner(osg::RenderInfo &
renderInfo, osgUtil::RenderLeaf * & previous, bool & doCopyTexture) Line
934 C++
--
__________________________________________
Anders Backman, HPC2N
90187 Umeå University, Sweden
and...@cs.umu.se http://www.hpc2n.umu.se
Cell: +46-70-392 64 67
/* OpenSceneGraph example, osgshape.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Material>
#include <osg/Texture2D>
#include <osgUtil/ShaderGen>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/StateSetManipulator>
#include <osgGA/TrackballManipulator>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osg/Math>
// for the grid data..
osg::Geode* createShapes(osg::ArgumentParser& arguments)
{
osg::Geode* geode = new osg::Geode();
float radius = 0.8f;
float height = 1.0f;
osg::TessellationHints* hints = new osg::TessellationHints;
hints->setDetailRatio(0.5f);
geode->addDrawable(new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0f,
0.0f, 0.0f), radius), hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Box(osg::Vec3(2.0f, 0.0f,
0.0f), 2 * radius), hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Cone(osg::Vec3(4.0f, 0.0f,
0.0f), radius, height), hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Cylinder(osg::Vec3(6.0f,
0.0f, 0.0f), radius, height), hints));
geode->addDrawable(new osg::ShapeDrawable(new osg::Capsule(osg::Vec3(8.0f,
0.0f, 0.0f), radius, height), hints));
return geode;
}
int main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc, argv);
// construct the viewer.
osgViewer::Viewer viewer(arguments);
// add model to viewer.
viewer.setSceneData(createShapes(arguments));
// add the state manipulator
viewer.addEventHandler(new
osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()));
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
int i = 0;
while (!viewer.done()) {
i++;
if (i == 2000)
{
osgViewer::Viewer::Windows windows;
viewer.getWindows(windows);
for (osgViewer::Viewer::Windows::iterator itr = windows.begin(); itr !=
windows.end(); ++itr)
{
osg::State* s = (*itr)->getState();
s->setUseModelViewAndProjectionUniforms(true);
s->setUseVertexAttributeAliasing(true);
}
}
viewer.frame();
}
}
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