From cb0812aaf31f573dc0724240fa306d57bdfcec70 Mon Sep 17 00:00:00 2001
From: CAD97 <cad97@cad97.com>
Date: Mon, 28 Jun 2021 20:36:28 -0500
Subject: [PATCH] Add bytemuck impls to geometry types

---
 src/geometry/dual_quaternion.rs |  6 ++++++
 src/geometry/orthographic.rs    |  6 ++++++
 src/geometry/perspective.rs     |  6 ++++++
 src/geometry/rotation.rs        | 16 ++++++++++++++++
 src/geometry/transform.rs       | 18 ++++++++++++++++++
 src/geometry/translation.rs     | 16 ++++++++++++++++
 6 files changed, 68 insertions(+)

diff --git a/src/geometry/dual_quaternion.rs b/src/geometry/dual_quaternion.rs
index 63148836..d745f1d3 100644
--- a/src/geometry/dual_quaternion.rs
+++ b/src/geometry/dual_quaternion.rs
@@ -241,6 +241,12 @@ where
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Zeroable for DualQuaternion<T> where Quaternion<T>: bytemuck::Zeroable {}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Pod for DualQuaternion<T> where Quaternion<T>: bytemuck::Pod {}
+
 #[cfg(feature = "serde-serialize-no-std")]
 impl<T: SimdRealField> Serialize for DualQuaternion<T>
 where
diff --git a/src/geometry/orthographic.rs b/src/geometry/orthographic.rs
index 17a5b969..ade84092 100644
--- a/src/geometry/orthographic.rs
+++ b/src/geometry/orthographic.rs
@@ -44,6 +44,12 @@ impl<T: RealField> PartialEq for Orthographic3<T> {
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Zeroable for Orthographic3<T> where Matrix4<T>: bytemuck::Zeroable {}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Pod for Orthographic3<T> where Matrix4<T>: bytemuck::Pod {}
+
 #[cfg(feature = "serde-serialize-no-std")]
 impl<T: RealField + Serialize> Serialize for Orthographic3<T> {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
diff --git a/src/geometry/perspective.rs b/src/geometry/perspective.rs
index 6ad9707f..c7dd8b3e 100644
--- a/src/geometry/perspective.rs
+++ b/src/geometry/perspective.rs
@@ -45,6 +45,12 @@ impl<T: RealField> PartialEq for Perspective3<T> {
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Zeroable for Perspective3<T> where Matrix4<T>: bytemuck::Zeroable {}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T> bytemuck::Pod for Perspective3<T> where Matrix4<T>: bytemuck::Pod {}
+
 #[cfg(feature = "serde-serialize-no-std")]
 impl<T: RealField + Serialize> Serialize for Perspective3<T> {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
diff --git a/src/geometry/rotation.rs b/src/geometry/rotation.rs
index f3127fb9..89bc082f 100755
--- a/src/geometry/rotation.rs
+++ b/src/geometry/rotation.rs
@@ -83,6 +83,22 @@ where
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T, const D: usize> bytemuck::Zeroable for Rotation<T, D>
+where
+    T: Scalar,
+    SMatrix<T, D, D>: bytemuck::Zeroable,
+{
+}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T, const D: usize> bytemuck::Pod for Rotation<T, D>
+where
+    T: Scalar,
+    SMatrix<T, D, D>: bytemuck::Pod,
+{
+}
+
 #[cfg(feature = "abomonation-serialize")]
 impl<T, const D: usize> Abomonation for Rotation<T, D>
 where
diff --git a/src/geometry/transform.rs b/src/geometry/transform.rs
index 682d2bd6..051fd3d5 100755
--- a/src/geometry/transform.rs
+++ b/src/geometry/transform.rs
@@ -194,6 +194,24 @@ where
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: RealField, C: TCategory, const D: usize> bytemuck::Zeroable for Transform<T, C, D>
+where
+    Const<D>: DimNameAdd<U1>,
+    DefaultAllocator: Allocator<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
+    OMatrix<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>: bytemuck::Zeroable,
+{
+}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: RealField, C: TCategory, const D: usize> bytemuck::Pod for Transform<T, C, D>
+where
+    Const<D>: DimNameAdd<U1>,
+    DefaultAllocator: Allocator<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
+    OMatrix<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>: bytemuck::Pod,
+{
+}
+
 #[cfg(feature = "serde-serialize-no-std")]
 impl<T: RealField, C: TCategory, const D: usize> Serialize for Transform<T, C, D>
 where
diff --git a/src/geometry/translation.rs b/src/geometry/translation.rs
index 18fa7e04..758a21ca 100755
--- a/src/geometry/translation.rs
+++ b/src/geometry/translation.rs
@@ -50,6 +50,22 @@ where
     }
 }
 
+#[cfg(feature = "bytemuck")]
+unsafe impl<T, const D: usize> bytemuck::Zeroable for Translation<T, D>
+where
+    T: Scalar,
+    SVector<T, D>: bytemuck::Zeroable,
+{
+}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T, const D: usize> bytemuck::Pod for Translation<T, D>
+where
+    T: Scalar,
+    SVector<T, D>: bytemuck::Pod,
+{
+}
+
 #[cfg(feature = "abomonation-serialize")]
 impl<T, const D: usize> Abomonation for Translation<T, D>
 where