feat: sh degree feature flags

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "bevy_gaussian_splatting"
 description = "bevy gaussian splatting render pipeline plugin"
-version = "2.4.3"
+version = "2.5.0"
 edition = "2021"
 authors = ["mosure <[email protected]>"]
 license = "MIT"
@@ -46,6 +46,7 @@ default = [
 
   # "f32",
   "f16",
+  "sh3",
 
   # "precompute_covariance_3d",
 
@@ -77,6 +78,11 @@ noise = []
 f32 = []
 f16 = ["half"]
 
+sh0 = []
+sh1 = []
+sh2 = []
+sh3 = []
+
 precompute_covariance_3d = []
 
 packed = []
@@ -119,6 +125,7 @@ viewer = [
 web = [
   "buffer_storage",
   "f16",
+  "sh0",
   "io_flexbuffers",
   "io_ply",
   "planar",

src/material/spherical_harmonics.rs

@@ -46,10 +46,16 @@ const fn num_sh_coefficients(degree: usize) -> usize {
 }
 
 
-#[cfg(feature = "web")]
+#[cfg(feature = "sh0")]
 const SH_DEGREE: usize = 0;
 
-#[cfg(not(feature = "web"))]
+#[cfg(feature = "sh1")]
+const SH_DEGREE: usize = 1;
+
+#[cfg(feature = "sh2")]
+const SH_DEGREE: usize = 2;
+
+#[cfg(feature = "sh3")]
 const SH_DEGREE: usize = 3;
 
 pub const SH_CHANNELS: usize = 3;