DeferredPhongLightingPass.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_DEFERREDPHONGLIGHTINGPASS_HPP
#define NAZARA_DEFERREDPHONGLIGHTINGPASS_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Graphics/DeferredRenderPass.hpp>
#include <Nazara/Graphics/Light.hpp>
#include <Nazara/Renderer/Shader.hpp>
#include <Nazara/Renderer/TextureSampler.hpp>
#include <Nazara/Utility/Mesh.hpp>

namespace Nz
{
    class StaticMesh;

    class NAZARA_GRAPHICS_API DeferredPhongLightingPass : public DeferredRenderPass
    {
        public:
            DeferredPhongLightingPass();
            virtual ~DeferredPhongLightingPass();

            void EnableLightMeshesDrawing(bool enable);

            bool IsLightMeshesDrawingEnabled() const;

            bool Process(const SceneData& sceneData, unsigned int firstWorkTexture, unsigned int secondWorkTexture) const override;

        protected:
            LightUniforms m_directionalLightUniforms;
            LightUniforms m_pointSpotLightUniforms;
            MeshRef m_cone;
            MeshRef m_sphere;
            ShaderRef m_directionalLightShader;
            ShaderRef m_pointSpotLightShader;
            TextureSampler m_pointSampler;
            StaticMesh* m_coneMesh;
            StaticMesh* m_sphereMesh;
            bool m_lightMeshesDrawing;
            int m_directionalLightShaderEyePositionLocation;
            int m_directionalLightShaderSceneAmbientLocation;
            int m_pointSpotLightShaderDiscardLocation;
            int m_pointSpotLightShaderEyePositionLocation;
            int m_pointSpotLightShaderSceneAmbientLocation;
    };
}

#endif // NAZARA_DEFERREDPHONGLIGHTINGPASS_HPP