1 files changed, 0 insertions, 25 deletions
diff --git a/pbr/2.1.1.ibl_irradiance_conversion/cubemap.frag b/pbr/2.1.1.ibl_irradiance_conversion/cubemap.frag
deleted file mode 100644
index 349347a..0000000
--- a/pbr/2.1.1.ibl_irradiance_conversion/cubemap.frag
+++ /dev/null
@@ -1,25 +0,0 @@
-#version 330 core
-
-in vert_t {
-	vec3 position;
-} vert;
-
-out vec4 frag_color;
-
-uniform sampler2D map;
-
-const vec2 inv_atan = vec2(0.1591, 0.3183);
-vec2 sample_spherical_map(vec3 v)
-{
-	vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
-	uv *= inv_atan;
-	uv += 0.5;
-	return uv;
-}
-
-void main(void)
-{
-	vec2 uv = sample_spherical_map(normalize(vert.position));
-	vec3 color = texture(map, uv).rgb;
-	frag_color = vec4(color, 1.0);
-}