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77 lines
3.6 KiB
C++
77 lines
3.6 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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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_CORE___DEFERREDCASTER___H
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#define __OPENSPACE_CORE___DEFERREDCASTER___H
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#include <filesystem>
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#include <string>
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namespace ghoul::opengl {
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class Texture;
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class ProgramObject;
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} // ghoul::opengl
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namespace openspace {
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struct RenderData;
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struct DeferredcastData;
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struct UpdateData;
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class Deferredcaster {
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public:
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virtual ~Deferredcaster() = default;
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virtual void preRaycast(const RenderData& /*renderData*/,
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const DeferredcastData& /*deferredData*/,
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ghoul::opengl::ProgramObject& /*program*/) {}
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virtual void postRaycast(const RenderData& /*renderData*/,
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const DeferredcastData& /*deferredData*/,
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ghoul::opengl::ProgramObject& /*program*/) {}
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virtual std::filesystem::path deferredcastVSPath() const = 0;
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virtual std::filesystem::path deferredcastFSPath() const = 0;
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virtual void initializeCachedVariables(ghoul::opengl::ProgramObject&) = 0;
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virtual void update(const UpdateData&) = 0;
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/**
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* Return a path to a GLSL file with helper functions required for the transformation
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* and raycast steps. This file will be included once per shader program generated,
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* regardless of how many volumes say they require the file. Ideal to avoid
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* redefinitions of helper functions.
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*
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* The shader preprocessor will have access to the #{namespace} variable (unique per
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* helper file) which should be a prefix to all symbols defined by the helper
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*/
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virtual std::filesystem::path helperPath() const = 0;
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};
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} // namespace openspace
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#endif // __OPENSPACE_CORE___DEFERREDCASTER___H
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