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Problem: Based on the CVS version compiled under Windows (DevStudio 7.1, texture image data is becoming un-referenced immediately after viewer.realize(); Cause: Due to the change (04/25/06) to osg/DisplaySettings.cpp of changing _maxNumOfGraphicsContexts from 3 back to 1 has enabled osgUtil/Optimizer to correctly un-reference image data associated with textures. Question: Is the default desired behavior for the Optimizer to un-reference image data? Verification Test: within viewer app, save output file before and after call to realize. Load the cow.osg model or other. With optimize enabled with default OPTIMIZE_TEXTURE_SETTINGS, image is deleted and texture reference is removed in "modelAfter.osg". Compare with Optimizer commented out. .... // optimize the scene graph, remove redundant nodes and state etc. osgUtil::Optimizer optimizer; optimizer.optimize(loadedModel.get()); // pass the loaded scene graph to the viewer. viewer.setSceneData(loadedModel.get()); // XXX, save scenegraph prior to realize() osgDB::writeNodeFile(*loadedModel, "modelBefore.osg"); // create the windows and run the threads. viewer.realize(); // XXX, save scenegraph after realize() osgDB::writeNodeFile(*loadedModel, "modelAfter.osg"); ... thanks, jeff Jeff Biggs [EMAIL PROTECTED] |
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