mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-05-23 21:08:47 -05:00
Alexander Bock
105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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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 __TILE_PROVIDER_H__
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#define __TILE_PROVIDER_H__
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#include <openspace/engine/downloadmanager.h>
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#include <set>
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#include <ghoul/logging/logmanager.h>
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#include <ghoul/filesystem/filesystem.h> // absPath
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#include <ghoul/opengl/texture.h>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/font/fontrenderer.h>
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#include <modules/globebrowsing/tile/tiledepthtransform.h>
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#include <modules/globebrowsing/geometry/geodetic2.h>
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#include <modules/globebrowsing/other/lrucache.h>
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//////////////////////////////////////////////////////////////////////////////////////////
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// TILE PROVIDER //
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//////////////////////////////////////////////////////////////////////////////////////////
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namespace openspace {
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class TilePreprocessData;
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// TODO: Remove using directive in header file ---abock
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using namespace ghoul::opengl;
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struct Tile {
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std::shared_ptr<Texture> texture;
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std::shared_ptr<TilePreprocessData> preprocessData;
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enum class Status { Unavailable, OutOfRange, IOError, OK } status;
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/**
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* Instantiaes a new tile unicolored tile. The texture gets the provided size and
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* color in rgba. Color values ranges between 0-255.
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*/
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static Tile createPlainTile(const glm::uvec2& size, const glm::uvec4& color);
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static const Tile TileUnavailable;
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};
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class TileProvider {
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public:
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virtual ~TileProvider() { }
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virtual Tile getTile(const ChunkIndex& chunkIndex) = 0;
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virtual Tile getDefaultTile() = 0;
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virtual Tile::Status getTileStatus(const ChunkIndex& index) = 0;
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virtual TileDepthTransform depthTransform() = 0;
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virtual void update() = 0;
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virtual void reset() = 0;
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virtual int maxLevel() = 0;
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};
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typedef LRUCache<ChunkHashKey, Tile> TileCache;
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struct TileProviderInitData {
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int minimumPixelSize;
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int threads;
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int cacheSize;
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int framesUntilRequestQueueFlush;
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bool preprocessTiles = false;
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};
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} // namespace openspace
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#endif // __TILE_PROVIDER_H__
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