texture.h

// © Joseph Cameron - All Rights Reserved
 
#ifndef GDK_GFX_TEXTURE_H
#define GDK_GFX_TEXTURE_H
 
#include <gdk/graphics_types.h>
 
#include <cstddef>
#include <vector>
 
namespace gdk {
    namespace texture_data {
        struct view;
    }
    class texture {
    public:
        //TODO: rename one,two,three,four since which channels the data is stored in from the perspective of a shader depends on the implementation
        // Why: opengles rgba, rgb, luminance (1ch), luminance alpha (2ch). I cant change this behavior,
        // giving them the more intuitive 'grey' and 'rg' are misleading
        enum class format { 
            grey, 
            rg,   
            rgb,  
            rgba, 
        };

        enum class wrap_mode {
            clamped, 
            repeat,  
            mirrored 
        };

        virtual void update_data(const texture_data::view &) = 0;

        virtual void update_data(const texture_data::view &, const size_t offsetX, const size_t offsetY) = 0;

        virtual ~texture() = default;
 
    protected:
        texture() = default;
    };
}
 
#endif