FrameBuffer.h

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#pragma once
 
#include "glm/glm.hpp"
#include <ElevateEngine/Renderer/Texture/Texture.h>
 
 
#include <optional>
#include <vector>
 
namespace Elevate
{
    struct FramebufferColorAttachment {
        TexturePtr Texture;
        uint8_t Index = 0;
 
        FramebufferColorAttachment(TexturePtr tex) : Texture(tex) { }
    };
 
    struct FramebufferDepthAttachment {
        void* NativeHandle = nullptr; // TODO CHANGER POUR METTRE UNE INTERFACE DE BINDABLE OU AUTRE
        bool IsRenderbuffer = false;
    };
 
    struct FramebufferStencilAttachment {
 
    };
 
    struct FramebufferMetadata {
        std::vector<FramebufferColorAttachment> ColorAttachments;
        std::optional<FramebufferDepthAttachment> DepthAttachment;
        std::optional<FramebufferDepthAttachment> Attachment;
 
        glm::vec4 ClearColor = { 1.0f, 1.0f, 1.0f, 1.0f };
    };
 
    class Framebuffer
    {
    public:
        virtual ~Framebuffer() = default;
 
        virtual void Bind() const = 0;
        virtual void Unbind() const = 0;
        virtual void BlitFramebufferToScreen(uint32_t screenWidth, uint32_t screenHeight) const = 0;
        virtual void Rescale(uint32_t width, uint32_t height) = 0;
 
        inline void* GetNativeTextureHandle() const {
            return m_texture->GetNativeHandle();
        }
 
        // TODO REMOVE
        virtual uint32_t GetFrameBufferId() const = 0;
 
        inline void SetClearColor(glm::vec4 color) { m_clearColor = color; }
 
        virtual void Clear() const;
 
        static Framebuffer* Create(uint32_t width = 1280, uint32_t height = 720);
 
    protected:
        Framebuffer(TexturePtr tex) : m_texture(tex) { }
            
    protected:
        TexturePtr m_texture; // TODO REMOVE
        glm::vec4 m_clearColor = { 1.0f, 1.0f, 1.0f, 1.0f }; // TODO REMOVE
    };
}