#ifndef PARTICLE_COMPUTE_SHADER
#define PARTICLE_COMPUTE_SHADER


#include <vector>
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>

/* OpenGL */
#include "glad/glad.h"
#include <GLFW/glfw3.h>

class ComputeShader
{
private:
    std::string m_shader_filename{};
    std::string m_shader_source{};

    GLuint m_program = 0;
    GLuint m_shader = 0;
public:
    static void wait();

    ComputeShader() = default;
    ComputeShader(std::string &shader_filename);
    ~ComputeShader();

    GLuint get_program() const;
    
    bool load(std::string shader_filename);
    bool compile();
    void activate();
    void deactivate();
    void execute(size_t x, size_t group_size_x);
    void execute(size_t x, size_t y, size_t group_size_x, size_t group_size_y);
    bool release();

    bool set_uniform(char const * name, float value);
    bool set_uniform(char const * name, int value);
    bool set_uniform(char const * name, size_t value);
};

#endif // PARTICLE_COMPUTE_SHADER