#version 450 core
#include "common.glsl"
#include "dof_common.glsl"

in vec2 vUV;
layout(binding = 0) uniform sampler2D uSharp;
layout(binding = 1) uniform sampler2D uBlurred;
layout(binding = 2) uniform sampler2D uDepth;
layout(location = 0) out vec4 fragColor;

void main() {
    vec3 sharp = texture(uSharp, vUV).rgb;
    vec4 blurred = texture(uBlurred, vUV);
    float coc = abs(cocFromDepth(linearDepth(texture(uDepth, vUV).r), vUV));
    float m = smoothstep(0.02, 0.35, max(coc, blurred.a));
    fragColor = vec4(mix(sharp, blurred.rgb, m), 1.0);
}