pbr/1.1.lighting/occlusion.frag


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#version 330 core

in vert_t {
    vec2 tex_coords;
} vert;

out vec4 frag_color;

uniform sampler2D colorbuffer;

void main()
{
    frag_color = vec4(vec3(texture(colorbuffer, vert.tex_coords).r), 1.0);
}