PostProcess.h

#pragma once
#include "hud.h"

namespace osgCloudyDay
{
        class PostProcess :     public osgCloudyDay::HUD
        {
        public:
                enum HDR_Mapping
                {
                        HDRM_Linear,
                        HDRM_Reinhard,
                        HDRM_ReinhardModified,
                        HDRM_Uncharted
                };              

                PostProcess(int hdr_mapping, bool use_avglum, bool use_bloom, bool use_star);
                ~PostProcess(void);

                virtual void SetupUniform(osg::ref_ptr<osg::StateSet> states);
                virtual void SetupTextures(osg::ref_ptr<osg::StateSet> states);

                virtual void CreateCamera();

                void AddLUD(std::string path);

        protected:      
                int m_HDRMapping;

                bool m_use_AVGLuminance;
                bool m_use_vignette;

                const std::string GetGLSLFragmentShader();
                const std::string GetGLSLVertexShader();

                const std::string GetGLSLAssignLUD();
                const std::string GetGLSLUniformLUD();
                const std::string GetGLSLFragmentUncharted();
                const std::string GetGLSLFragmentVignetteFunc();
                const std::string GetGLSLFragmentMainFunc();
                const std::string GetHDRMapping();
                const std::string GetGlare();
                const std::string GetVignette();
                const std::string GetSRGB();

                const std::string GetGLSLFragmentHeader();              

                osg::ref_ptr<osg::Texture2D> m_postprocess;
                osg::ref_ptr<osg::Texture3D> tex3dlud;

                std::vector<osg::ref_ptr<osg::Texture3D>> m_lods;

                int num_lods;

                bool m_bloom;
                bool m_star;
        };
}