SinglePass Lighting: fix colorramp feature

jme3-core/src/main/resources/Common/MatDefs/Light/SPLighting.frag

@@ -178,11 +178,6 @@ void main(){
              vec4 refColor = Optics_GetEnvColor(m_EnvMap, refVec.xyz);
         #endif
 
-//        #ifdef COLORRAMP
-//            diffuseColor.rgb  *= texture2D(m_ColorRamp, vec2(light.x, 0.0)).rgb;
-//            specularColor.rgb *= texture2D(m_ColorRamp, vec2(light.y, 0.0)).rgb;
-//        #endif
-
         for( int i = 0;i < NB_LIGHTS; i+=3){
             vec4 lightColor = g_LightData[i];
             vec4 lightData1 = g_LightData[i+1];                
@@ -221,7 +216,13 @@ void main(){
                  light.y = 1.0;
             #endif
 
-            gl_FragColor.rgb += DiffuseSum.rgb   * lightColor.rgb * diffuseColor.rgb  * vec3(light.x) +
+            #ifdef COLORRAMP
+               DiffuseSum2.rgb  *= texture2D(m_ColorRamp, vec2(light.x, 0.0)).rgb;
+               SpecularSum2.rgb *= texture2D(m_ColorRamp, vec2(light.y, 0.0)).rgb;
+               light.xy = vec2(1.0);
+            #endif
+
+            gl_FragColor.rgb += DiffuseSum2.rgb   * lightColor.rgb * diffuseColor.rgb  * vec3(light.x) +
                                 SpecularSum2.rgb * lightColor.rgb * specularColor.rgb * vec3(light.y);
         }
            

jme3-core/src/main/resources/Common/MatDefs/Light/SPLighting.vert

@@ -160,8 +160,14 @@ void main(){
             }
             #endif
             vec2 v = computeLighting(wvNormal, viewDir, lightDir.xyz, lightDir.w  * spotFallOff, m_Shininess);
+
+            #ifdef COLORRAMP
+                diffuseAccum  += texture2D(m_ColorRamp, vec2(light.x, 0.0)).rgb * diffuseColor;
+                specularAccum += texture2D(m_ColorRamp, vec2(light.y, 0.0)).rgb * specularColor;
+            #else
                 diffuseAccum  += v.x * diffuseColor;
                 specularAccum += v.y * specularColor;
+            #endif
         }
     #endif