Fix text3d to allow transparent text

libraries/render-utils/src/DeferredBufferWrite.slh

@@ -46,6 +46,7 @@ const float DEFAULT_METALLIC = 0;
 const vec3 DEFAULT_SPECULAR = vec3(0.1);
 const vec3 DEFAULT_EMISSIVE = vec3(0.0);
 const float DEFAULT_OCCLUSION = 1.0;
+const vec3 DEFAULT_FRESNEL = DEFAULT_EMISSIVE;
 
 
 void packDeferredFragment(vec3 normal, float alpha, vec3 albedo, float roughness, float metallic, vec3 emissive, float occlusion) {

libraries/render-utils/src/sdf_text3D.slf

@@ -41,20 +41,15 @@ void main() {
     float w = clamp( s, 0.0, 0.5);
     float a = smoothstep(0.5 - w, 0.5 + w, sdf);
     
-    // gamma correction for linear attenuation
-    a = pow(a, 1.0 / gamma);
-    
     // discard if unvisible
     if (a < 0.01) {
         discard;
     }
     
-    packDeferredFragmentLightmap(
-         normalize(_normal),
-         1.0,
-         vec3(1.0),
-         DEFAULT_ROUGHNESS,
-         DEFAULT_METALLIC,
-         DEFAULT_SPECULAR,
-         Color.rgb);
+    packDeferredFragmentTranslucent(
+        normalize(_normal),
+        a,
+        Color.rgb,
+        DEFAULT_FRESNEL,
+        DEFAULT_ROUGHNESS);
 }