From cb1b07ee569a814c6c29bd9f6efccc9cab348a30 Mon Sep 17 00:00:00 2001
From: mosure <mitchell@mosure.me>
Date: Mon, 16 Dec 2024 22:33:22 -0600
Subject: [PATCH] fix: precomputed covariance surfel incompatibility

---
 src/render/gaussian.wgsl | 11 +++++++----
 src/render/surfel.wgsl   | 35 ++++-------------------------------
 2 files changed, 11 insertions(+), 35 deletions(-)

diff --git a/src/render/gaussian.wgsl b/src/render/gaussian.wgsl
index 3d4c271f..984def47 100644
--- a/src/render/gaussian.wgsl
+++ b/src/render/gaussian.wgsl
@@ -15,15 +15,18 @@
     get_rotation_matrix,
     get_scale_matrix,
 }
+#import bevy_gaussian_splatting::transform::{
+    world_to_clip,
+    in_frustum,
+}
+
+#ifdef GAUSSIAN_SURFEL
 #import bevy_gaussian_splatting::surfel::{
     compute_cov2d_surfel,
     get_bounding_box_cov2d,
     surfel_fragment_power,
 }
-#import bevy_gaussian_splatting::transform::{
-    world_to_clip,
-    in_frustum,
-}
+#endif
 
 #ifdef PACKED
 #ifdef PRECOMPUTE_COVARIANCE_3D
diff --git a/src/render/surfel.wgsl b/src/render/surfel.wgsl
index 698639c3..8f68b7ab 100644
--- a/src/render/surfel.wgsl
+++ b/src/render/surfel.wgsl
@@ -1,5 +1,7 @@
 #define_import_path bevy_gaussian_splatting::surfel
 
+
+#ifdef GAUSSIAN_SURFEL
 #import bevy_gaussian_splatting::bindings::{
     view,
     gaussian_uniforms,
@@ -11,15 +13,6 @@
 }
 
 #ifdef PACKED
-#ifdef PRECOMPUTE_COVARIANCE_3D
-#import bevy_gaussian_splatting::packed::{
-    get_position,
-    get_color,
-    get_visibility,
-    get_opacity,
-    get_cov3d,
-}
-#else
 #import bevy_gaussian_splatting::packed::{
     get_position,
     get_color,
@@ -28,19 +21,9 @@
     get_rotation,
     get_scale,
 }
-#endif
 #else
 
 #ifdef BUFFER_STORAGE
-#ifdef PRECOMPUTE_COVARIANCE_3D
-#import bevy_gaussian_splatting::planar::{
-    get_position,
-    get_color,
-    get_visibility,
-    get_opacity,
-    get_cov3d,
-}
-#else
 #import bevy_gaussian_splatting::planar::{
     get_position,
     get_color,
@@ -50,22 +33,11 @@
     get_scale,
 }
 #endif
-#endif
 
 #endif
 
 
 #ifdef BUFFER_TEXTURE
-#ifdef PRECOMPUTE_COVARIANCE_3D
-#import bevy_gaussian_splatting::texture::{
-    get_position,
-    get_color,
-    get_visibility,
-    get_opacity,
-    get_cov3d,
-    location,
-}
-#else
 #import bevy_gaussian_splatting::texture::{
     get_position,
     get_color,
@@ -76,7 +48,6 @@
     location,
 }
 #endif
-#endif
 
 
 struct Surfel {
@@ -195,3 +166,5 @@ fn surfel_fragment_power(
 
     return power;
 }
+
+#endif  // GAUSSIAN_SURFEL