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OpenSpace/include/openspace/rendering/texturecomponent.h
2025-12-08 20:13:31 +01:00

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/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2025 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_CORE___TEXTURECOMPONENT___H__
#define __OPENSPACE_CORE___TEXTURECOMPONENT___H__
#include <ghoul/opengl/texture.h>
#include <filesystem>
namespace ghoul::filesystem { class File; }
namespace ghoul::opengl { class Texture; }
namespace openspace {
class TextureComponent {
public:
// nDimensions must be 1, 2, 3
explicit TextureComponent(int nDimensions);
const ghoul::opengl::Texture* texture() const;
ghoul::opengl::Texture* texture();
void setFilterMode(ghoul::opengl::Texture::FilterMode filterMode);
void setWrapping(ghoul::opengl::Texture::WrappingMode wrapping);
void setShouldWatchFileForChanges(bool value);
void setShouldPurgeFromRAM(bool value);
void bind();
void uploadToGpu();
// Loads a texture from a file on disk
void loadFromFile(const std::filesystem::path& path);
// Function to call in a renderable's update function to make sure
// the texture is kept up to date
void update();
private:
std::unique_ptr<ghoul::filesystem::File> _textureFile;
std::unique_ptr<ghoul::opengl::Texture> _texture;
ghoul::opengl::Texture::FilterMode _filterMode =
ghoul::opengl::Texture::FilterMode::LinearMipMap;
ghoul::opengl::Texture::WrappingMode _wrappingMode =
ghoul::opengl::Texture::WrappingMode::Repeat;
bool _shouldWatchFile = true;
bool _shouldPurgeFromRAM = true;
bool _fileIsDirty = false;
bool _textureIsDirty = false;
const int _nDimensions;
};
} // namespace openspace
#endif // __OPENSPACE_CORE___TEXTURECOMPONENT___H__