Merge pull request #82 from Lunarsong/master

Wrap getIBLContribution with #ifdef USE_IBL
KhronosGroup · Jun 1, 2018 · 88eda8c · 88eda8c
2 parents 253b901 + a94fcda
commit 88eda8c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/shaders/pbr-frag.glsl b/shaders/pbr-frag.glsl
@@ -142,6 +142,7 @@ vec3 getNormal()
 // Calculation of the lighting contribution from an optional Image Based Light source.
 // Precomputed Environment Maps are required uniform inputs and are computed as outlined in [1].
 // See our README.md on Environment Maps [3] for additional discussion.
+#ifdef USE_IBL
 vec3 getIBLContribution(PBRInfo pbrInputs, vec3 n, vec3 reflection)
 {
     float mipCount = 9.0; // resolution of 512x512
@@ -165,6 +166,7 @@ vec3 getIBLContribution(PBRInfo pbrInputs, vec3 n, vec3 reflection)
 
     return diffuse + specular;
 }
+#endif
 
 // Basic Lambertian diffuse
 // Implementation from Lambert's Photometria https://archive.org/details/lambertsphotome00lambgoog