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93 lines
4.5 KiB
C++
93 lines
4.5 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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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_GLOBEBROWSING___TILELOADJOB___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___TILELOADJOB___H__
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#include <modules/globebrowsing/tile/tile.h>
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#include <openspace/util/concurrentjobmanager.h>
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namespace openspace::globebrowsing {
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class RawTileDataReader;
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struct RawTile;
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struct TileLoadJob : public Job<RawTile> {
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/**
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* Allocates enough data for one tile. When calling <code>product()</code>, the
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* ownership of this data will be released. If <code>product()</code> has not been
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* called before the TileLoadJob is finished, the data will be deleted as it has not
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* been exposed outside of this object.
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*/
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TileLoadJob(std::shared_ptr<RawTileDataReader> rawTileDataReader,
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const TileIndex& tileIndex);
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/**
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* No data is allocated unless specified so by the TileTextureInitData of
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* rawTileDataReader but it is assumed that pboDataPtr is a mapped pointer to a pixel
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* buffer object.
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*/
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TileLoadJob(std::shared_ptr<RawTileDataReader> rawTileDataReader,
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const TileIndex& tileIndex, char* pboDataPtr);
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/**
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* Destroys the allocated data pointer if it has been allocated and the TileLoadJob
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* has ownership of it.
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*/
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~TileLoadJob();
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/**
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* If the TileLoadJob has been created using PBO, this is the address that the
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* RawTileDataReader will read to. In case specified so in the TileTextureInitData
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* of RawTileDataReader, the data will also be written to CPU memory.
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*/
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void execute() override;
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/**
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* Marks the job as finised and releases ownership of the data.
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* Unless the job is marked as finished, the pixel data will be deallocated
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* when the job is deleted.
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*/
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std::shared_ptr<RawTile> product() override;
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/**
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* Get the data ownership. if any data has been allocated (ie if the job was created
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* using the CPU constructor not taking a PBO data pointer) this function is
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* equivalent with asking if the job is unfinished. If the job has ownership of data,
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* the data will be deleted once the job is deleted.
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*/
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bool hasOwnershipOfData() const;
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protected:
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std::shared_ptr<RawTileDataReader> _rawTileDataReader;
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std::shared_ptr<RawTile> _rawTile;
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TileIndex _chunkIndex;
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char* _pboMappedDataDestination;
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bool _hasOwnershipOfData;
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};
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} // namespace openspace::globebrowsing
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___TILELOADJOB___H__
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