#ifndef AOV_H
#define AOV_H

#include "cglm/struct/vec4.h"

#define MAX_AOV_TARGET 5


typedef enum
{
    AOV_BEAUTY = 1 << 0,
    AOV_AlBEDO = 1 << 1,
    AOV_NORMAL = 1 << 2,
    AOV_DEPTH = 1 << 3,
    AOV_POSITION = 1 << 4,
} aov_flags_t;

typedef enum
{
    AOV_BEAUTY_INDEX = 0,
    AOV_AlBEDO_INDEX = 1,
    AOV_NORMAL_INDEX = 2,
    AOV_DEPTH_INDEX = 3,
    AOV_POSITION_INDEX = 4,
} aov_index_t;

typedef struct
{
    vec4s beauty;
    vec4s albedo;
    vec4s normal;
    vec4s position;

    float depth;
} aov_output_t;

inline void accumulate_aov(aov_output_t* aov, const aov_output_t* new_aov, float inv_sample_count)
{
    aov->beauty = glms_vec4_add(aov->beauty, glms_vec4_scale(new_aov->beauty, inv_sample_count));
    aov->albedo = glms_vec4_add(aov->albedo, glms_vec4_scale(new_aov->albedo, inv_sample_count));
    aov->normal = glms_vec4_add(aov->normal, glms_vec4_scale(new_aov->normal, inv_sample_count));
    aov->position = glms_vec4_add(aov->position, glms_vec4_scale(new_aov->position, inv_sample_count));
    aov->depth = fminf(aov->depth, new_aov->depth);
}

#endif // AOV_H