Add heightmaps to burley tiling

Also add --homo flag to gaussianize. This "homogenizes" the input by
removing low frequency energy from the DFT of the image luma.

1 files changed, 3 insertions, 0 deletions

diff --git a/data.cginc b/data.cginc
index d8c6960..370c3e6 100644
--- a/data.cginc
+++ b/data.cginc
@@ -31,6 +31,9 @@ struct Pbr {
   float cc_roughness_perceptual;
   float cc_strength;
 #endif
+#if defined(_PARALLAX_HEIGHTMAP) || defined(_BURLEY_TILING_HEIGHTMAP)
+  float height;
+#endif
 #if defined(_DEBUG_VIEW_TANGENT_SPACE_NORMALS)
   float3 tangent_normal;
 #endif