Updated NEWS
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NEWS.txt
24
NEWS.txt
@ -3,6 +3,30 @@ OSG News (most significant items from ChangeLog)
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23rd July 2003 - OpenSceneGraph-0.9.5
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>>> Support added for OpenGL2.0 shaders, native multi-threaded Database paging,
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>>> high peformance binary format reading and writing, .dds compressed image
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>>> loader and ARB_fragment_program and ARB_vertex_buffer_object extensions,
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>>> improvements to the Terrex .txp and OpenFlight .flt loaders.
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The most signicifant feature of the 0.9.5 release is the combination of native
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constant frame rate database paging support, providived by the new osg::PageLOD and
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osgDB::DatabasePager classes, and the new native .ive binary plugin which supports
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both reading and writing of all core osg nodes, including inlining of compressed
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and non compressed imagery.
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The native database paging support achieves constant frame rate through threading
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of the database reading, and time based incremental compile and delete of display
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lists, vertex_buffer_objects and texture objects. A new TextureObjectManager class
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also caches a list of expired texture objects for reuse, and allows new newly loading
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imagery to reuse expired texture objects, with the imagery automatically subloaded
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to the reused texture objects. This reuse happens transparently and benifits other
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OSG usages such as the OSG's Terrapage loader.
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The new .ive binary plugin was developed by Uni-C's VR-Center, and kindly
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submitted as open source, adds support for binary reading and writing OSG nodes
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drawable and state (including compressed/mipmapped) textures. The .ive
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format produces a much faster load time and smaller file size then .osg
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New osgGL2 library
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Adoption of OpenThreads for cross platform threading support.
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