71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/* OpenSceneGraph example, osgterrain.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osgViewer/Viewer>
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#include <osgViewer/ViewerEventHandlers>
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#include <osgDB/ReadFile>
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#include <osgUtil/GraphicsCostEstimator>
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class CalibrateCostEsimator : public osg::GraphicsOperation
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{
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public:
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CalibrateCostEsimator(osgUtil::GraphicsCostEstimator* gce):
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osg::GraphicsOperation("CalbirateCostEstimator",false),
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_gce(gce) {}
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virtual void operator () (osg::GraphicsContext* context)
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{
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osg::RenderInfo renderInfo(context->getState(), 0);
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_gce->calibrate(renderInfo);
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}
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osg::ref_ptr<osgUtil::GraphicsCostEstimator> _gce;
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};
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int main(int argc, char** argv)
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{
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osg::ArgumentParser arguments(&argc, argv);
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// construct the viewer.
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osgViewer::Viewer viewer(arguments);
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osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles(arguments);
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if (!node) return 0;
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osg::ref_ptr<osgUtil::GraphicsCostEstimator> gce = new osgUtil::GraphicsCostEstimator;
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viewer.setSceneData(node.get());
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viewer.realize();
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osgUtil::CostPair compileCost = gce->estimateCompileCost(node.get());
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osgUtil::CostPair drawCost = gce->estimateDrawCost(node.get());
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OSG_NOTICE<<"estimateCompileCost("<<node->getName()<<"), CPU="<<compileCost.first<<" GPU="<<compileCost.second<<std::endl;
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OSG_NOTICE<<"estimateDrawCost("<<node->getName()<<"), CPU="<<drawCost.first<<" GPU="<<drawCost.second<<std::endl;
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return viewer.run();
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}
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