1 files changed, 0 insertions, 45 deletions
diff --git a/pbr/1.1.lighting/ssao.frag b/pbr/1.1.lighting/ssao.frag
deleted file mode 100644
index dd03754..0000000
--- a/pbr/1.1.lighting/ssao.frag
+++ /dev/null
@@ -1,45 +0,0 @@
-#version 330 core
-
-in vert_t {
-    vec2 tex_coords;
-} vert;
-
-out float frag_color;
-
-uniform sampler2D positions;
-uniform sampler2D normals;
-uniform sampler2D noise;
-
-uniform vec3 samples[64];
-uniform mat4 projection;
-
-const vec2 noise_scale = vec2(1600.0 / 4.0, 900.0 / 4.0);
-
-void main()
-{
-    vec3 position = texture(positions, vert.tex_coords).rgb;
-    vec3 normal = texture(normals, vert.tex_coords).rgb;
-    vec3 random = texture(noise, vert.tex_coords * noise_scale).rgb;
-
-    vec3 tangent = normalize(random - normal * dot(random, normal));
-    vec3 bitangent = cross(normal, tangent);
-    mat3 TBN = mat3(tangent, bitangent, normal);
-
-    int nsamples = 64;
-    float radius = 0.5;
-    float bias = 0.025;
-    float occlusion = 0.0;
-    for (int i = 0; i < nsamples; i++) {
-        vec3 sample = TBN * samples[i];
-        sample = position + sample * radius;
-        vec4 offset = vec4(sample, 1.0);
-        offset = projection * offset;
-        offset.xyz /= offset.w;
-        offset.xyz = offset.xyz * 0.5 + 0.5;
-        float depth = texture(positions, offset.xy).z;
-        float range_check = smoothstep(0.0, 1.0, radius / abs(position.z - depth));
-        occlusion += (depth >= sample.z + bias ? 1.0 : 0.0) * range_check;
-    }
-    occlusion = 1.0 - (occlusion / nsamples);
-    frag_color = occlusion;
-}