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127 lines
5.4 KiB
C++
127 lines
5.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2019 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_BASE___SUNTEXTUREMANAGER___H__
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#define __OPENSPACE_MODULE_BASE___SUNTEXTUREMANAGER___H__
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//#include <thread>
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#include <ghoul/opengl/texture.h>
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#include <thread>
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#include <queue>
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#include <atomic>
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namespace ghoul::opengl {
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class Texture;
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} // namespace ghoul::opengl
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namespace openspace {
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class SunTextureManager {
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public:
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SunTextureManager();
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void update(std::unique_ptr<ghoul::opengl::Texture>& texture);
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void initialDownload(std::unique_ptr<ghoul::opengl::Texture>& texture);
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void checkFilesInDirectory();
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void getNextTexture(std::string current, float dir, std::string * toReturn);
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void loadWSATexture(std::unique_ptr<ghoul::opengl::Texture>& texture);
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private:
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void initialDownloadBatch();
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void startUploadTextures();
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void startDownloadTexture(std::string textureId);
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void downloadTexture(std::string textureId);
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void uploadTextureFromName(std::string filename);
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void uploadTexturesFromList(std::vector<std::string>& filelist);
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void uploadTexture(std::vector<float> imagedata, std::string dateid);
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void processTextureFromName(std::string filename, std::vector<float>* imagedata, std::string* dateid);
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void trimGPUList();
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std::string parseMagnetogramDate(std::string name);
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bool checkServerAliveness();
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std::string checkNextTextureId(std::string current, float dir);
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std::string getOpenSpaceDateTime();
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std::unique_ptr<ghoul::opengl::Texture> uploadAndReturnTexture(std::vector<float> imagedata, std::string id);
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std::string _syncDir;
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int _counter = 0;
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bool _activeConnection = false;
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// The _working atomic, is used to notify if a thread is being used and is currently being worked on
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std::atomic_bool _working = false;
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/* The _stage atomic, is to describe in what stage the suntexture manager is in,
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Kind of like a queue system if you will:
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Stage = 0 - Nothing going on right now, at this stage it is allowed to check what to do next
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Stage = 1 - Is or has downloaded a texture
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Stage = 2 - Is or has uploaded a texture from file to GPU
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Stage = 3 - Is ready to swap texture to a texture that has been uploaded to the gpu
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*/
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std::atomic_size_t _stage = 0;
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mutable std::mutex _GPUListBlock;
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// _next is a string containing the name of the next image given the current timestep and direction
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std::string _next = "";
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// Probably can remove this soon.
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std::string _current;
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// _textureToUpload is the queued image to swap to, once that timestep has passed in openspace time.
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std::string _textureToUpload = "";
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// The thread used for downloading images.
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std::thread _dldthread;
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// First texture, a dummy image.
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std::string _activeTextureDate = "NODATE";
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// _direction is the Delta time of openspace, used for knowing what to do next.
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float _direction;
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const unsigned int _maxTexturesOnGPU = 5; //every texture is around 250kb in size
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std::vector<std::string> _textureListDisk;
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std::unordered_map<std::string, std::unique_ptr<ghoul::opengl::Texture>> _textureListGPU;
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std::queue<std::string> _textureQueueGPU;
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std::vector<float> _fitsImageToUpload;
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std::string _dateIDToUpload;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_BASE___SUNTEXTUREMANAGER___H__
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