Files
OpenSpace/modules/base/rendering/suntexturemanager.h
2019-09-09 15:11:06 -04:00

127 lines
5.4 KiB
C++

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