src/Platform/OpenGL/OpenGLFramebuffer.h


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#pragma once

#include "Rendering/Framebuffer.h"

namespace Donut
{
    class OpenGLFramebuffer : public Framebuffer
    {
    public:
        OpenGLFramebuffer(const FramebufferSpecification& spec);
        virtual ~OpenGLFramebuffer();

        void Invalidate();

        virtual void Bind()   override;
        virtual void Unbind() override;

        virtual void Resize(uint32_t width, uint32_t height)          override;
        virtual int ReadPixel(uint32_t attachmentIndex, int x, int y) override;

        virtual void ClearAttachment(uint32_t attachmentIndex, int value) override;
        virtual uint32_t GetColorAttachmentRendererID(uint32_t index = 0) const override { return m_ColorAttachments[index]; }

        virtual const FramebufferSpecification& GetSpecification() const override { return m_Specification; }
    private:
        uint32_t m_RendererID = 0;
        FramebufferSpecification m_Specification;

        std::vector<FramebufferTextureSpecification> m_ColorAttachmentSpecifications;
        FramebufferTextureSpecification m_DepthAttachmentSpecification = FramebufferTextureFormat::None;

        std::vector<uint32_t> m_ColorAttachments;
        uint32_t m_DepthAttachment = 0;
    };
};