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Give short example of WGSL push_constant syntax. (#5393)

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Bruce Mitchener 2024-03-16 08:20:21 +07:00 committed by GitHub
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1
CHANGELOG.md
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@ -56,6 +56,7 @@ By @cwfitzgerald in [#5325](https://github.com/gfx-rs/wgpu/pull/5325).
- 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)
- Document precise behaviour of `SourceLocation`. By @stefnotch in [#5386](https://github.com/gfx-rs/wgpu/pull/5386)
- Give short example of WGSL `push_constant` syntax. By @waywardmonkeys in [#5393](https://github.com/gfx-rs/wgpu/pull/5393)
### New features

9
wgpu-types/src/lib.rs
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@ -682,7 +682,14 @@ bitflags::bitflags! {
/// Allows the user to call [`RenderPass::set_push_constants`], provide a non-empty array
/// to [`PipelineLayoutDescriptor`], and provide a non-zero limit to [`Limits::max_push_constant_size`].
///
/// A block of push constants can be declared with `layout(push_constant) uniform Name {..}` in shaders.
/// A block of push constants can be declared in WGSL with `var<push_constant>`:
///
/// ```rust,ignore
/// struct PushConstants { example: f32, }
/// var<push_constant> c: PushConstants;
/// ```
///
/// In GLSL, this corresponds to `layout(push_constant) uniform Name {..}`.
///
/// Supported platforms:
/// - DX12