mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-05 19:19:39 -06:00
111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2017 *
|
|
* *
|
|
* 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_GLOBEBROWSING___ASYNC_TILE_DATA_PROVIDER___H__
|
|
#define __OPENSPACE_MODULE_GLOBEBROWSING___ASYNC_TILE_DATA_PROVIDER___H__
|
|
|
|
#include <modules/globebrowsing/other/concurrentjobmanager.h>
|
|
#include <modules/globebrowsing/tile/tile.h>
|
|
|
|
#include <unordered_map>
|
|
|
|
namespace openspace {
|
|
namespace globebrowsing {
|
|
|
|
class TileDataset;
|
|
|
|
struct LoadJob : public Job<RawTile> {
|
|
virtual void execute() = 0;
|
|
virtual std::shared_ptr<RawTile> product() const = 0;
|
|
};
|
|
|
|
struct TileLoadJob : LoadJob {
|
|
TileLoadJob(std::shared_ptr<TileDataset> textureDataProvider,
|
|
const TileIndex& tileIndex)
|
|
: _tileDataset(textureDataProvider)
|
|
, _chunkIndex(tileIndex)
|
|
{}
|
|
|
|
virtual ~TileLoadJob() = default;
|
|
|
|
virtual void execute() override;
|
|
|
|
virtual std::shared_ptr<RawTile> product() const override;
|
|
|
|
protected:
|
|
TileIndex _chunkIndex;
|
|
std::shared_ptr<TileDataset> _tileDataset;
|
|
std::shared_ptr<RawTile> _rawTile;
|
|
};
|
|
|
|
class TileDiskCache;
|
|
|
|
struct DiskCachedTileLoadJob : public TileLoadJob {
|
|
enum CacheMode {
|
|
Disabled,
|
|
ReadOnly,
|
|
ReadAndWrite,
|
|
WriteOnly,
|
|
CacheHitsOnly,
|
|
};
|
|
|
|
DiskCachedTileLoadJob(std::shared_ptr<TileDataset> textureDataProvider,
|
|
const TileIndex& tileIndex, std::shared_ptr<TileDiskCache> tdc,
|
|
CacheMode cacheMode = CacheMode::ReadOnly);
|
|
|
|
void execute() override;
|
|
|
|
protected:
|
|
std::shared_ptr<TileDiskCache> _tileDiskCache;
|
|
CacheMode _mode;
|
|
};
|
|
|
|
class AsyncTileDataProvider {
|
|
public:
|
|
AsyncTileDataProvider(std::shared_ptr<TileDataset> textureDataProvider,
|
|
std::shared_ptr<ThreadPool> pool);
|
|
|
|
bool enqueueTileIO(const TileIndex& tileIndex);
|
|
std::vector<std::shared_ptr<RawTile>> getRawTiles();
|
|
|
|
void reset();
|
|
void clearRequestQueue();
|
|
|
|
std::shared_ptr<TileDataset> getTextureDataProvider() const;
|
|
float noDataValueAsFloat();
|
|
|
|
protected:
|
|
virtual bool satisfiesEnqueueCriteria(const TileIndex&) const;
|
|
|
|
private:
|
|
std::shared_ptr<TileDataset> _tileDataset;
|
|
ConcurrentJobManager<RawTile> _concurrentJobManager;
|
|
std::unordered_map<TileHashKey, TileIndex> _enqueuedTileRequests;
|
|
};
|
|
|
|
} // namespace globebrowsing
|
|
} // namespace openspace
|
|
|
|
#endif // __OPENSPACE_MODULE_GLOBEBROWSING___ASYNC_TILE_DATA_PROVIDER___H__
|