texture.hpp

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/*
 * COPYRIGHT (c) 2024 John Reppy (https://cs.uchicago.edu/~jhr)
 * All rights reserved.
 */
 
#ifndef _CS237_TEXTURE_HPP_
#define _CS237_TEXTURE_HPP_
 
#ifndef _CS237_HPP_
#  error "cs237/texture.hpp should not be included directly"
#endif
 
namespace cs237 {
 
namespace __detail {
 
class TextureBase {
public:
    vk::ImageView view () const { return this->_view; }
 
    vk::Format format () const { return this->_fmt; }
 
protected:
    Application *_app;          
    vk::Image _img;             
    vk::DeviceMemory _mem;      
    vk::ImageView _view;        
    uint32_t _wid;              
    uint32_t _ht;               
    uint32_t _nMipLevels;       
    vk::Format _fmt;            
 
    TextureBase (
        Application *app,
        uint32_t wid, uint32_t ht, uint32_t mipLvls,
        cs237::__detail::ImageBase const *img);
    ~TextureBase ();
 
    vk::Buffer _createBuffer (size_t size, vk::BufferUsageFlags usage)
    {
        return this->_app->_createBuffer (size, usage);
    }
 
    vk::DeviceMemory _allocBufferMemory (vk::Buffer buf, vk::MemoryPropertyFlags props)
    {
        return this->_app->_allocBufferMemory (buf, props);
    }
 
    void _init (cs237::__detail::ImageBase const *img);
 
};
 
} // namespace __detail
 
// 1D Textures
class Texture1D : public __detail::TextureBase {
public:
 
    Texture1D (Application *app, Image1D const *img);
 
};
 
// 2D Textures
class Texture2D : public __detail::TextureBase {
public:
 
    Texture2D (Application *app, Image2D const *img, bool mipmap = false);
 
private:
    void _generateMipMaps (cs237::Image2D const *img);
 
};
 
} // namespace cs237
 
#endif // !_CS237_TEXTURE_HPP_