Update PBRLightingParamReads.glsllib

add inouts for specularColor and glossiness to account for specGloss pipeline

jme3-core/src/main/resources/Common/ShaderLib/PBRLightingParamReads.glsllib

@@ -71,7 +71,7 @@ uniform float m_Metallic;
     uniform float m_StaticSunIntensity;
 #endif
 
-void readMatParamsAndTextures(in mat3 tbnMat, in vec3 vViewDir, inout vec4 albedo, inout float Metallic, inout float Roughness, inout vec3 lightMapColor, inout vec3 ao, inout vec3 normal, inout vec4 emissive, inout float alpha){
+void readMatParamsAndTextures(in mat3 tbnMat, in vec3 vViewDir, inout vec4 albedo, inout float Metallic, inout float Roughness, inout vec4 SpecularColor, inout float glossiness, inout vec3 lightMapColor, inout vec3 ao, inout vec3 normal, inout vec4 emissive, inout float alpha){
     #if (defined(PARALLAXMAP) || (defined(NORMALMAP_PARALLAX) && defined(NORMALMAP)))
         #ifdef STEEP_PARALLAX
             #ifdef NORMALMAP_PARALLAX
@@ -141,6 +141,29 @@ void readMatParamsAndTextures(in mat3 tbnMat, in vec3 vViewDir, inout vec4 albed
         normal = norm;
     #endif
     
+    //spec gloss tex reads:
+    
+    #ifdef SPECGLOSSPIPELINE
+        #ifdef USE_PACKED_SG
+            specularColor = texture2D(m_SpecularGlossinessMap, newTexCoord);
+            glossiness = specularColor.a * m_Glossiness;
+            specularColor *= m_Specular;
+        #else
+            #ifdef SPECULARMAP
+                specularColor = texture2D(m_SpecularMap, newTexCoord);
+            #else
+                specularColor = vec4(1.0);
+            #endif
+            #ifdef GLOSSINESSMAP
+                glossiness = texture2D(m_GlossinesMap, newTexCoord).r * m_Glossiness;
+            #else
+                glossiness = m_Glossiness;
+            #endif
+            specularColor *= m_Specular;
+        #endif
+    #endif
+    
+    
     #ifdef LIGHTMAP
         #ifdef SEPARATE_TEXCOORD
             lightMapColor = texture2D(m_LightMap, texCoord2).rgb;
@@ -181,4 +204,4 @@ void readMatParamsAndTextures(in mat3 tbnMat, in vec3 vViewDir, inout vec4 albed
         indoorSunLightExposure = vertColors.r * indoorSunLightExposure;    // use red channel of vertexColors for non-uniform sunlighting accross a single model
     #endif 
     
-}
+}