GraphicsSession.h

#pragma once
#include "DLLInfo.h"
#include <NDEVR/GraphicsPipeline.h>
#include <NDEVR/Pointer.h>
#include <NDEVR/UUID.h>
#include <NDEVR/Dictionary.h>
#include <NDEVR/Set.h>
#include <NDEVR/Geometry.h>
namespace NDEVR
{
    class Model;
    class String;
    class Material;
    class Scene;
    enum class PrimitiveProperty;
    
    class NDEVR_GRAPHICS_API GraphicsSession : public GraphicsPipeline
    {
    public:
        enum AddObjectMode
        {
            e_add_object               
            , e_ensure_pipeline        
            , e_ensure_pipeline_and_add 
        };

        struct GeometryUpdateObject
        {
            GeometryUpdateObject(const Geometry& geo)
                : geo(geo)
                , last_modified_time(0)
            {}
            Geometry geo; 
            Time last_modified_time; 
        };

        virtual ~GraphicsSession(){}
        virtual void addCamera(const UUID& object);
        virtual void readShader(const StringView& shader) = 0;
        virtual void removeCamera(const UUID& camera);
        virtual bool addRenderGeometry(const Geometry& geo) = 0;
        virtual void removeRenderGeometry(const Geometry& geo) = 0;
        virtual DynamicPointer<GraphicsPipeline> createRenderPipeline() = 0;
        virtual void postClearAll();
        virtual UUID uuid() = 0;
        bool isActive() const { return m_is_active; }
        void setActive(bool active) { m_is_active = active; }
    protected:
        Buffer<UUID> m_added_cameras; 
        bool m_needs_command_refresh = false; 
        bool m_needs_clear_all = false; 
        bool m_is_active = false; 
    };
}