Put maintex burley tiling into optional branch; add optional rotation feature

1 files changed, 2 insertions, 1 deletions

diff --git a/pbr.cginc b/pbr.cginc
index 7679c4f..969e1a3 100755
--- a/pbr.cginc
+++ b/pbr.cginc
@@ -190,11 +190,13 @@ void apply_burley_tiling(inout Pbr pbr, inout float3 normal_tangent) {
 #if defined(_BURLEY_TILING)
   float3 weights = _burley_ctx.weights;
 
+#if defined(_BURLEY_TILING_MAINTEX)
   float4 patch_0 = burley_sample_patch(_Burley_Tiling_Maintex, _burley_ctx.patch_0);
   float4 patch_1 = burley_sample_patch(_Burley_Tiling_Maintex, _burley_ctx.patch_1);
   float4 patch_2 = burley_sample_patch(_Burley_Tiling_Maintex, _burley_ctx.patch_2);
   float4 gaussian_blend = patch_0 * weights.x + patch_1 * weights.y + patch_2 * weights.z;
   pbr.albedo.xyz = burley_degaussianize(_Burley_Tiling_Maintex_LUT, burley_apply_soft_clipping(gaussian_blend.rgb, weights));
+#endif  // _BURLEY_TILING_MAINTEX
 
 #if defined(_BURLEY_TILING_SMOOTHNESS)
   float4 patch_0_smoothness = burley_sample_patch(_Burley_Tiling_Smoothness_Map, _burley_ctx.patch_0);
@@ -218,7 +220,6 @@ void apply_burley_tiling(inout Pbr pbr, inout float3 normal_tangent) {
   normal_tangent.xy *= _Burley_Tiling_Normal_Strength;
   normal_tangent = normalize(normal_tangent);
 #endif  // _BURLEY_TILING_NORMAL
-
 #endif  // _BURLEY_TILING
 }