mirror of
https://github.com/OpenSpace/OpenSpace.git
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112 lines
4.0 KiB
C++
112 lines
4.0 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_MULTIRESVOLUME___BRICKMANAGER___H__
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#define __OPENSPACE_MODULE_MULTIRESVOLUME___BRICKMANAGER___H__
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#include <modules/multiresvolume/rendering/tsp.h>
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#include <string>
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#include <vector>
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namespace ghoul {
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namespace opengl {
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class Texture;
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}
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}
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namespace openspace {
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class BrickManager {
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public:
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enum BUFFER_INDEX { EVEN = 0, ODD = 1 };
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BrickManager(TSP* tsp);
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~BrickManager();
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bool readHeader();
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bool initialize();
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bool BuildBrickList(BUFFER_INDEX _bufIdx, std::vector<int> &_brickRequest);
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bool FillVolume(float *_in, float *_out,
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unsigned int _x,
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unsigned int _y,
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unsigned int _z);
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bool DiskToPBO(BUFFER_INDEX _pboIndex);
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bool PBOToAtlas(BUFFER_INDEX _pboIndex);
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ghoul::opengl::Texture* textureAtlas();
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unsigned int pbo(BUFFER_INDEX _pboIndex);
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const std::vector<int>& brickList(BUFFER_INDEX index) const;
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private:
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void IncCoord();
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unsigned int LinearCoord(int _x, int _y, int _z);
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void CoordsFromLin(int _idx, int &_x, int &_y, int &_z);
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TSP* _tsp;
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TSP::Header _header;
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unsigned int numBricks_;
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unsigned int brickDim_;
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unsigned int paddedBrickDim_;
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unsigned int atlasDim_;
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const unsigned int paddingWidth_ = 1;
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unsigned int numBrickVals_;
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unsigned int numBricksFrame_;
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unsigned int numBricksTree_;
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unsigned int brickSize_;
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unsigned int volumeSize_;
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unsigned int numValsTot_;
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// Texture coordinates to be assigned
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int xCoord_;
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int yCoord_;
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int zCoord_;
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// Texture where the actual atlas is kept
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ghoul::opengl::Texture* textureAtlas_;
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std::vector<std::vector<int> > brickLists_;
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bool hasReadHeader_;
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bool atlasInitialized_;
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// PBOs
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unsigned int pboHandle_[2];
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// Caching, one for each PBO
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std::vector<std::vector<int> > bricksInPBO_;
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std::vector<std::vector<bool> > usedCoords_;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_MULTIRESVOLUME___BRICKMANAGER___H__
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