diff --git a/shaders/bulb.frag b/shaders/bulb.frag
index 2f8fef3..97f9259 100644
--- a/shaders/bulb.frag
+++ b/shaders/bulb.frag
@@ -2,10 +2,11 @@
 
 layout(std140, binding = 1) uniform Material
 {
-    vec3 ka;
-    vec3 kd;
-    vec3 ks;
-    float p;
+    vec3 base_color;
+    float roughness;
+    float metallic;
+    float specular;
+    vec3 emitted;
     bool normalmapped;
     bool parallaxmapped;
     bool displacementmapped;
@@ -19,8 +20,8 @@ layout(std140, binding = 4) uniform gamma
 };
 
 layout (location = 1) out vec3 gNormal;
-layout (location = 3) out vec4 gAmbientSpecular;
 layout (location = 4) out uvec3 gID;
+layout (location = 5) out vec3 gEmittedColor;
 
 uniform float angle;
 uniform vec3 direction;
@@ -31,7 +32,7 @@ void main()
 {   
     float cosA = dot(normalize(pos_local), normalize(direction));
     if (degrees(acos(cosA)) <= angle)
-        gAmbientSpecular.rgb = pow(ka, vec3(inv_gamma));
+        gEmittedColor = pow(base_color, vec3(inv_gamma));
     else
         discard;