#ifndef POST_PROCESSING_H
#define POST_PROCESSING_H

#include "cglm/struct/vec4.h"
#include "cglm/struct/mat4.h"

inline vec4s gamma_correct(vec4s color, float gamma)
{
    vec4s corrected_color = color;
    corrected_color.x = powf(color.x, 1.0f / gamma);
    corrected_color.y = powf(color.y, 1.0f / gamma);
    corrected_color.z = powf(color.z, 1.0f / gamma);
    return corrected_color;
}

// Maybe full aces later
inline vec4s aces_tone_map(vec4s color)
{
    vec4s mapped_color = color;
    float a = 2.51f;
    float b = 0.03f;
    float c = 2.43f;
    float d = 0.59f;
    float e = 0.14f;

    mapped_color.x = (color.x * (a * color.x + b)) / (color.x * (c * color.x + d) + e);
    mapped_color.y = (color.y * (a * color.y + b)) / (color.y * (c * color.y + d) + e);
    mapped_color.z = (color.z * (a * color.z + b)) / (color.z * (c * color.z + d) + e);

    return mapped_color;
}

#endif // POST_PROCESSING_H