1 files changed, 0 insertions, 87 deletions
diff --git a/src/extras/shaders/gl3/light.inc.frag b/src/extras/shaders/gl3/light.inc.frag
index f588acce3..0b642638f 100644
--- a/src/extras/shaders/gl3/light.inc.frag
+++ b/src/extras/shaders/gl3/light.inc.frag
@@ -23,90 +23,3 @@ struct EnvironmentLight {
 };
 uniform EnvironmentLight envLight;
 uniform int envLightCount = 0;
-
-void adsModel(const in vec3 worldPos,
-              const in vec3 worldNormal,
-              const in vec3 worldView,
-              const in float shininess,
-              out vec3 diffuseColor,
-              out vec3 specularColor)
-{
-    diffuseColor = vec3(0.0);
-    specularColor = vec3(0.0);
-
-    // We perform all work in world space
-    vec3 n = normalize(worldNormal);
-    vec3 s = vec3(0.0);
-
-    for (int i = 0; i < lightCount; ++i) {
-        float att = 1.0;
-        float sDotN = 0.0;
-
-        if (lights[i].type != TYPE_DIRECTIONAL) {
-            // Point and Spot lights
-
-            // Light position is already in world space
-            vec3 sUnnormalized = lights[i].position - worldPos;
-            s = normalize(sUnnormalized); // Light direction
-
-            // Calculate the attenuation factor
-            sDotN = dot(s, n);
-            if (sDotN > 0.0) {
-                if (lights[i].constantAttenuation != 0.0
-                 || lights[i].linearAttenuation != 0.0
-                 || lights[i].quadraticAttenuation != 0.0) {
-                    float dist = length(sUnnormalized);
-                    att = 1.0 / (lights[i].constantAttenuation +
-                                 lights[i].linearAttenuation * dist +
-                                 lights[i].quadraticAttenuation * dist * dist);
-                }
-
-                // The light direction is in world space already
-                if (lights[i].type == TYPE_SPOT) {
-                    // Check if fragment is inside or outside of the spot light cone
-                    if (degrees(acos(dot(-s, lights[i].direction))) > lights[i].cutOffAngle)
-                        sDotN = 0.0;
-                }
-            }
-        } else {
-            // Directional lights
-            // The light direction is in world space already
-            s = normalize(-lights[i].direction);
-            sDotN = dot(s, n);
-        }
-
-        // Calculate the diffuse factor
-        float diffuse = max(sDotN, 0.0);
-
-        // Calculate the specular factor
-        float specular = 0.0;
-        if (diffuse > 0.0 && shininess > 0.0) {
-            float normFactor = (shininess + 2.0) / 2.0;
-            vec3 r = reflect(-s, n);   // Reflection direction in world space
-            specular = normFactor * pow(max(dot(r, worldView), 0.0), shininess);
-        }
-
-        // Accumulate the diffuse and specular contributions
-        diffuseColor += att * lights[i].intensity * diffuse * lights[i].color;
-        specularColor += att * lights[i].intensity * specular * lights[i].color;
-    }
-}
-
-vec4 phongFunction(const in vec4 ambient,
-                   const in vec4 diffuse,
-                   const in vec4 specular,
-                   const in float shininess,
-                   const in vec3 worldPosition,
-                   const in vec3 worldView,
-                   const in vec3 worldNormal)
-{
-    // Calculate the lighting model, keeping the specular component separate
-    vec3 diffuseColor, specularColor;
-    adsModel(worldPosition, worldNormal, worldView, shininess, diffuseColor, specularColor);
-
-    // Combine spec with ambient+diffuse for final fragment color
-    vec3 color = (ambient.rgb + diffuseColor) * diffuse.rgb
-               + specularColor * specular.rgb;
-
-    return vec4(color, diffuse.a);
-}