#version 460

layout (location = 0) out vec4 frag_color;

layout (location = 0) uniform sampler2D h_color;

in VS_OUT {
    vec2 texcoord;
} fs_in;

void main() {
    vec3 hdr = texture(h_color, fs_in.texcoord).rgb;
    vec3 ldr = hdr / (hdr + vec3(1.0));
    frag_color = vec4(pow(ldr, vec3(1.0/2.2)), 1.0);
}