* Simplest possible PBO implementation.
* Add PBO class
* TileLoadJob owns raw tile data
* Working on a soluton to cache textures and reuse them
* PBO and cached textures working for one texture type. Color textures.
* Threadpool for tile requests uses LRU cache as queue
* Remove framesUntilRequestFlush
* Clean up
* Clean up
* Use prioritizing concurrent job manager
* Use TileTextureInitData to initialize RawTileDataReader.
* Class TextureContainer owns the textures to use for tiles.
* Using TileTextureInitData to determine if new caches need to be created.
* Remove WriteDataDescription
* Remove TileDataLayout
* Rendering many different layer types again
* TileProviderByLevel gives layergroup id to tile providers
* Comment away use of PBO
* Erase unfinished requests to make room for new ones
* Enable choice of PBO or not.
* Enable resetting of asynctiledataprovider
* Add the ability to use PBO and also load to CPU
* Update ghoul
* Solve culling issue.
* Texture pointer of Tile is now a raw pointer. Currently break single image tile provider and text tile provider.
* Add gpudata
* Move fetching of shader preprocessing data to LayerManager
* No comparisons to determine shader recompilation.
* Show the tile cache size in the GUI
* Clean up and comment.
* Solve bug where float is interpreted as NaN
* Enable ability to blend between layers again
* Fix single image provider
* Fix windows build error
* Fix OSX compile issue.
* Some clean up
* Showing correct texture data size
* Enable use of text tile providers again. No backgroupd image path however.
* Change cache size from GUI
* Clean up
* Solve osx compilation error.
* Update ghoul
* Make it possible to switch between PBO and not during runtime.
* Enable resetting of tile datasets
* change function module in moduleengine to identify module by name
* MemoryAwareTileCache is no longer a singleton
* Update ownership of properties for globe browsing
* Logging info about resetting tile reader.
* Logging info
* Fix requested changes
* Fix some compile warnings.
* Fix compilation warnings
* Add ability to blend values with blend parameter. Also define settings through lua dict.
* Fix some comments on pull request.
* Change formatting
* Change formatting
* Change formatting
* Fix pull request comments.
* Those are details
* Make Mercury great again.
* Make Earth great again.
* Solve conflict
* Test to sometimes use valueblending and sometimes not
* Not always use value blending
* Update ghoul
* Change from auto to explicit type.
* Update test for LRU Cache
* Include algorithm.
* Initial restructuring of the Globebrowsing branch
* Update Ghoul repository
Fix include guards
* More cleanup
* Split texttileprovider subclasses into separate files
* Move TileProviders into namespace
* Convert static class methods into free functions
* Splitting tile subclasses into their own files
Remove `using namespace` from header file
* Split TileDataSet subclass into separate file
Update SGCT reference
* Move shader preprocessing data into internal class
* More Globebrowsing cleanup
* More cleanup
Remove unused Convexhull class
