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https://github.com/OpenSpace/OpenSpace.git
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93 lines
4.0 KiB
C++
93 lines
4.0 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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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 __DATACYGNET_H__
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#define __DATACYGNET_H__
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#include <modules/iswa/rendering/iswacygnet.h>
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#include <modules/iswa/util/dataprocessor.h>
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namespace {
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const int MAX_TEXTURES = 6;
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}
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namespace openspace{
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/**
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* This class abstracts away the the loading of data and creation of
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* textures for all data cygnets. It specifies the interface that needs to
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* be implemented for all concrete subclasses
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*/
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class DataCygnet : public IswaCygnet {
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public:
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DataCygnet(const ghoul::Dictionary& dictionary);
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~DataCygnet();
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protected:
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bool updateTexture() override;
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void fillOptions(std::string& source);
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/**
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* loads the transferfunctions specified in tfPath into
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* _transferFunctions list.
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*
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* @param tfPath Path to transfer function file
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*/
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void readTransferFunctions(std::string tfPath);
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/**
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* This function binds and sets all textures that should go to the
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* shader program, this includes both the data and transferfunctions.
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*/
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void setTextureUniforms();
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/**
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* Optional interface method. this has an implementation
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* in datacygnet.cpp, but needs to be overriden for kameleonplane
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*/
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virtual bool updateTextureResource() override;
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// Subclass interface.
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// ===================
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virtual bool createGeometry() = 0;
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virtual bool destroyGeometry() = 0;
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virtual void renderGeometry() const = 0;
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/**
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* This function should return the processed data that
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* will populate the texture
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*/
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virtual std::vector<float*> textureData() = 0;
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// This function can call parent setTextureUniforms()
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virtual void setUniforms() = 0;
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properties::SelectionProperty _dataOptions;
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std::shared_ptr<DataProcessor> _dataProcessor;
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std::string _dataBuffer;
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glm::size3_t _textureDimensions;
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private:
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bool readyToRender() const override;
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bool downloadTextureResource() override;
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};
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} //namespace openspace
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#endif //__DATACYGNET_H__
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