PostProcess.hpp

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#ifndef GALAXY_GRAPHICS_POSTPROCESSOR_HPP_
#define GALAXY_GRAPHICS_POSTPROCESSOR_HPP_
 
#include "galaxy/graphics/post/ChromaticAberration.hpp"
#include "galaxy/graphics/post/FilmicGrain.hpp"
#include "galaxy/graphics/post/GammaCorrection.hpp"
#include "galaxy/graphics/post/GaussianBlur.hpp"
#include "galaxy/graphics/post/Sharpen.hpp"
#include "galaxy/graphics/post/SMAA.hpp"
#include "galaxy/meta/Memory.hpp"
 
namespace galaxy
{
    namespace graphics
    {
        class PostProcess final
        {
          public:
            PostProcess();
 
            ~PostProcess();
 
            void init(const int width, const int height);
 
            void destroy();
 
            template<is_posteffect Effect, typename... Args>
            [[maybe_unused]] Effect* add(Args&&... args);
 
            void bind();
 
            void unbind();
 
            void render_effects();
 
            void render_output();
 
            void resize(const int width, const int height);
 
          private:
            RenderTexture m_fb;
 
            Shader m_output;
 
            meta::vector<std::unique_ptr<graphics::PostEffect>> m_effects;
 
            unsigned int m_screen_vbo;
 
            unsigned int m_screen_vao;
 
            unsigned int m_output_fb;
        };
 
        template<is_posteffect Effect, typename... Args>
        inline Effect* PostProcess::add(Args&&... args)
        {
            m_effects.push_back(std::make_unique<Effect>(std::forward<Args>(args)...));
            return dynamic_cast<Effect*>(m_effects.back().get());
        }
    } // namespace graphics
} // namespace galaxy
 
#endif