Make cdef_filter_superblock not care about fi, while keeping the generated code tiny.

try_this.diff

diff --git a/src/cdef.rs b/src/cdef.rs
index 6d55b195..a1f1df50 100644
--- a/src/cdef.rs
+++ b/src/cdef.rs
@@ -425,17 +425,40 @@ pub fn cdef_sb_padded_frame_copy<T: Pixel>(
 // We assume in is padded, and the area we'll write out is at least as
 // large as the unpadded area of in
 // cdef_index is taken from the block context
-pub fn cdef_filter_superblock<T: Pixel>(
-  fi: &FrameInvariants<T>, in_frame: &Frame<u16>, out_frame: &mut Frame<T>,
+pub fn cdef_filter_superblock<T: Pixel, F: Pixel>(
+  fi: &FrameInvariants<F>, in_frame: &Frame<u16>, out_frame: &mut Frame<T>,
   blocks: &TileBlocks<'_>, sbo: TileSuperBlockOffset,
   sbo_global: TileSuperBlockOffset, cdef_index: u8,
   cdef_dirs: &CdefDirections,
 ) {
   let bit_depth = fi.sequence.bit_depth;
-  let coeff_shift = fi.sequence.bit_depth as i32 - 8;
   let cdef_damping = fi.cdef_damping as i32;
   let cdef_y_strength = fi.cdef_y_strengths[cdef_index as usize];
   let cdef_uv_strength = fi.cdef_uv_strengths[cdef_index as usize];
+
+  cdef_filter_superblock_frame(
+    in_frame,
+    out_frame,
+    blocks,
+    sbo,
+    sbo_global,
+    cdef_dirs,
+    bit_depth,
+    cdef_damping,
+    cdef_y_strength,
+    cdef_uv_strength,
+    fi.cpu_feature_level,
+  )
+}
+
+fn cdef_filter_superblock_frame<T: Pixel>(
+  in_frame: &Frame<u16>, out_frame: &mut Frame<T>, blocks: &TileBlocks<'_>,
+  sbo: TileSuperBlockOffset, sbo_global: TileSuperBlockOffset,
+  cdef_dirs: &CdefDirections, bit_depth: usize, cdef_damping: i32,
+  cdef_y_strength: u8, cdef_uv_strength: u8,
+  cpu_feature_level: CpuFeatureLevel,
+) {
+  let coeff_shift = bit_depth as i32 - 8;
   let cdef_pri_y_strength = (cdef_y_strength / CDEF_SEC_STRENGTHS) as i32;
   let mut cdef_sec_y_strength = (cdef_y_strength % CDEF_SEC_STRENGTHS) as i32;
   let cdef_pri_uv_strength = (cdef_uv_strength / CDEF_SEC_STRENGTHS) as i32;
@@ -526,7 +549,7 @@ pub fn cdef_filter_superblock<T: Pixel>(
                 bit_depth,
                 xdec,
                 ydec,
-                fi.cpu_feature_level,
+                cpu_feature_level,
               );
             }
           } else {