Add PartialEq for GeometryPixel

Author: mkeeter

CHANGELOG.md

@@ -9,6 +9,7 @@
     - Remove separate opcodes, e.g. `SubRegReg`, `SubRegImm`, and `SubImmReg`
       now all generate `BytecodeOp::Sub` (using the reserved register as needed
       for immediates).
+- Add `PartialEq` for `GeometryPixel`
 
 # 0.4.2
 - Change `depth` member in `GeometryPixel` from `u32` to `f32` ([#381](https://github.com/mkeeter/fidget/pull/381))

Cargo.lock

@@ -434,7 +434,9 @@ impl<P, S: ImageSizeLike> std::ops::IndexMut<(usize, usize)> for Image<P, S> {
 ///
 /// This type can be passed directly in a buffer to the GPU.
 #[repr(C)]
-#[derive(Debug, Default, Copy, Clone, IntoBytes, FromBytes, Immutable)]
+#[derive(
+    Debug, Default, Copy, Clone, IntoBytes, FromBytes, Immutable, PartialEq,
+)]
 pub struct GeometryPixel {
     /// Z position of this pixel, in voxel units
     ///