#pragma once

#include "gl/pass/VoxelProgram.hpp"

struct GLFWwindow;
class Camera;

namespace render {

/// Handle rendering passes and params
class Pipeline {
public:
    /// Rendering options
    struct options {
        /// Voxel passes
        pass::VoxelProgram::options voxel;
        /// Display skybox
        bool skybox = true;
        /// Display only wires
        bool wireframe = false;
        /// Texture pack name
        std::string textures = "1024-realistic";
        /// Textures quality
        float mipMapLOD = -.5;
        /// Textures anisotropic mapping
        int anisotropy = 0;
        /// Depth color
        glm::vec4 clear_color;
    };

    virtual ~Pipeline() { }

    /// Start new frame and setup
    virtual void beginFrame() = 0;
    /// Apply postprocessing
    virtual void endPass() = 0;
    /// Swap displayed image
    virtual void swapBuffer(GLFWwindow*) = 0;

    /// Apply camera matrices
    virtual void lookFrom(const Camera&) = 0;

    virtual void setClearColor(glm::vec4) = 0;
};
}