feat: gaussian surfels (#114)

* feat: surfel rasterization, requires accumulation

* feat: 2dgs

* chore: bump version 2.6.0

* fix: lint

* fix: normal rendering

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "bevy_gaussian_splatting"
 description = "bevy gaussian splatting render pipeline plugin"
-version = "2.5.0"
+version = "2.6.0"
 edition = "2021"
 authors = ["mosure <[email protected]>"]
 license = "MIT"
@@ -234,6 +234,11 @@ name = "compare_aabb_obb"
 path = "tools/compare_aabb_obb.rs"
 required-features = ["tooling"]
 
+[[bin]]
+name = "surfel_plane"
+path = "tools/surfel_plane.rs"
+required-features = ["tooling"]
+
 [[bin]]
 name = "test_gaussian"
 path = "tests/gpu/gaussian.rs"

README.md

@@ -24,6 +24,8 @@ bevy gaussian splatting render pipeline plugin. view the [live demo](https://mos
 - [X] depth colorization
 - [X] f16 and f32 gcloud
 - [X] wgl2 and webgpu
+- [X] 3dgs
+- [X] 2dgs
 - [ ] spherical harmonic coefficients clustering
 - [ ] 4D gaussian cloud wavelet compression
 - [ ] accelerated spatial queries
@@ -83,6 +85,7 @@ fn setup_gaussian_cloud(
 
 # credits
 
+- [2d-gaussian-splatting](https://github.com/hbb1/2d-gaussian-splatting)
 - [4d gaussians](https://github.com/hustvl/4DGaussians)
 - [4d-gaussian-splatting](https://fudan-zvg.github.io/4d-gaussian-splatting/)
 - [bevy](https://github.com/bevyengine/bevy)

src/gaussian/settings.rs

@@ -21,6 +21,23 @@ pub enum GaussianCloudDrawMode {
 }
 
 
+#[derive(
+    Clone,
+    Copy,
+    Debug,
+    Default,
+    Eq,
+    Hash,
+    PartialEq,
+    Reflect,
+)]
+pub enum GaussianMode {
+    #[default]
+    Gaussian3d,
+    GaussianSurfel,
+}
+
+
 #[derive(
     Clone,
     Copy,
@@ -46,9 +63,11 @@ pub struct GaussianCloudSettings {
     pub global_opacity: f32,
     pub global_scale: f32,
     pub transform: Transform,
+    pub opacity_adaptive_radius: bool,
     pub visualize_bounding_box: bool,
     pub sort_mode: SortMode,
     pub draw_mode: GaussianCloudDrawMode,
+    pub gaussian_mode: GaussianMode,
     pub rasterize_mode: GaussianCloudRasterize,
 }
 
@@ -59,9 +78,11 @@ impl Default for GaussianCloudSettings {
             global_opacity: 1.0,
             global_scale: 1.0,
             transform: Transform::IDENTITY,
+            opacity_adaptive_radius: true,
             visualize_bounding_box: false,
             sort_mode: SortMode::default(),
             draw_mode: GaussianCloudDrawMode::default(),
+            gaussian_mode: GaussianMode::default(),
             rasterize_mode: GaussianCloudRasterize::default(),
         }
     }

src/lib.rs

@@ -4,7 +4,11 @@ pub use gaussian::{
     packed::Gaussian,
     cloud::GaussianCloud,
     rand::random_gaussians,
-    settings::GaussianCloudSettings,
+    settings::{
+        GaussianCloudRasterize,
+        GaussianCloudSettings,
+        GaussianMode,
+    },
 };
 
 pub use material::spherical_harmonics::SphericalHarmonicCoefficients;