docs: mention primitive restart in the description of strip_index_format (#5350)

* docs: mention primitive restart in the description of strip_index_format

* update changelog for #5350
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@ -54,6 +54,7 @@ By @cwfitzgerald in [#5325](https://github.com/gfx-rs/wgpu/pull/5325).
### Documentation ### Documentation
- Document Wayland specific behavior related to `SurfaceTexture::present`. By @i509VCB in [#5092](https://github.com/gfx-rs/wgpu/pull/5092). - Document Wayland specific behavior related to `SurfaceTexture::present`. By @i509VCB in [#5092](https://github.com/gfx-rs/wgpu/pull/5092).
- Add mention of primitive restart in the description of `PrimitiveState::strip_index_format`. By @cpsdqs in [#5350](https://github.com/gfx-rs/wgpu/pull/5350)
### New features ### New features

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@ -2129,6 +2129,9 @@ pub struct PrimitiveState {
pub topology: PrimitiveTopology, pub topology: PrimitiveTopology,
/// When drawing strip topologies with indices, this is the required format for the index buffer. /// When drawing strip topologies with indices, this is the required format for the index buffer.
/// This has no effect on non-indexed or non-strip draws. /// This has no effect on non-indexed or non-strip draws.
///
/// Specifying this value enables primitive restart, allowing individual strips to be separated
/// with the index value `0xFFFF` when using `Uint16`, or `0xFFFFFFFF` when using `Uint32`.
#[cfg_attr(feature = "serde", serde(default))] #[cfg_attr(feature = "serde", serde(default))]
pub strip_index_format: Option<IndexFormat>, pub strip_index_format: Option<IndexFormat>,
/// The face to consider the front for the purpose of culling and stencil operations. /// The face to consider the front for the purpose of culling and stencil operations.