src/render/Framebuffer.hpp


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#pragma once

#include "../defines.hpp"
#include "../helpers/Format.hpp"
#include "Texture.hpp"
#include "../helpers/cm/ColorManagement.hpp"
#include <cstdint>
#include <drm_fourcc.h>

class CHLBufferReference;

namespace Render {
    class IFramebuffer {
      public:
        IFramebuffer() = default;
        IFramebuffer(const std::string& name);
        virtual ~IFramebuffer() = default;

        virtual bool                        alloc(int w, int h, DRMFormat format = DRM_FORMAT_ARGB8888);
        virtual void                        release()                                                                                                                  = 0;
        virtual bool                        readPixels(CHLBufferReference buffer, uint32_t offsetX = 0, uint32_t offsetY = 0, uint32_t width = 0, uint32_t height = 0) = 0;

        virtual void                        bind() = 0;

        bool                                isAllocated();
        SP<ITexture>                        getTexture();
        SP<ITexture>                        getMirrorTexture();
        SP<ITexture>                        getStencilTex();
        void                                enableMirror(SP<ITexture> tex);
        void                                disableMirror();
        NColorManagement::PImageDescription imageDescription();
        void                                setImageDescription(NColorManagement::PImageDescription desc);

        virtual void                        addStencil(SP<ITexture> tex) = 0;

        Vector2D                            m_size;
        DRMFormat                           m_drmFormat = DRM_FORMAT_INVALID;

      protected:
        virtual bool                        internalAlloc(int w, int h, DRMFormat format = DRM_FORMAT_ARGB8888) = 0;

        SP<ITexture>                        m_tex;
        SP<ITexture>                        m_mirrorTex;
        bool                                m_fbAllocated = false;

        SP<ITexture>                        m_stencilTex;
        std::string                         m_name; // name for logging

        NColorManagement::PImageDescription m_imageDescription;
    };
}