DeferredRenderPass.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef NAZARA_DEFERREDRENDERPASS_HPP
#define NAZARA_DEFERREDRENDERPASS_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Math/Vector2.hpp>

namespace Nz
{
    class DeferredRenderTechnique;
    class DeferredRenderQueue;
    struct SceneData;
    class RenderTexture;
    class Texture;

    class NAZARA_GRAPHICS_API DeferredRenderPass
    {
        friend DeferredRenderTechnique;

        public:
            DeferredRenderPass();
            DeferredRenderPass(const DeferredRenderPass&) = delete;
            virtual ~DeferredRenderPass();

            void Enable(bool enable);

            virtual void Initialize(DeferredRenderTechnique* technique);

            bool IsEnabled() const;

            virtual bool Process(const SceneData& sceneData, unsigned int workTexture, unsigned int sceneTexture) const = 0;
            virtual bool Resize(const Vector2ui& GBufferSize);

            DeferredRenderPass& operator=(const DeferredRenderPass&) = delete;

        protected:
            Vector2ui m_dimensions;
            DeferredRenderTechnique* m_deferredTechnique;
            DeferredRenderQueue* m_renderQueue;
            RenderTexture* m_GBufferRTT;
            RenderTexture* m_workRTT;
            Texture* m_depthStencilTexture;
            Texture* m_GBuffer[4];
            Texture* m_workTextures[2];

        private:
            bool m_enabled;
    };
}

#endif // NAZARA_DEFERREDRENDERPASS_HPP