rustial_renderer_wgpu/gpu/
fill_pattern_vertex.rs

1//! Vertex type for fill-pattern rendering (position + colour + pattern UV).
2
3use bytemuck::{Pod, Zeroable};
4
5/// A vertex for the fill-pattern GPU pipeline.
6///
7/// Extends [`super::fill_vertex::FillVertex`] with per-vertex UV
8/// coordinates used to sample the repeating pattern texture.
9#[repr(C)]
10#[derive(Debug, Clone, Copy, Pod, Zeroable)]
11pub struct FillPatternVertex {
12    /// Position `[x, y, z]` in camera-relative meters.
13    pub position: [f32; 3],
14    /// Per-vertex RGBA color (used as fallback / tint).
15    pub color: [f32; 4],
16    /// Pattern UV coordinates.
17    ///
18    /// Values outside `[0, 1]` repeat via the GPU sampler's `Repeat`
19    /// address mode.  UV = world_position / pattern_size.
20    pub uv: [f32; 2],
21}
22
23impl FillPatternVertex {
24    /// Vertex buffer layout for the fill-pattern pipeline.
25    pub fn layout() -> wgpu::VertexBufferLayout<'static> {
26        wgpu::VertexBufferLayout {
27            array_stride: std::mem::size_of::<FillPatternVertex>() as wgpu::BufferAddress,
28            step_mode: wgpu::VertexStepMode::Vertex,
29            attributes: &[
30                // position
31                wgpu::VertexAttribute {
32                    offset: 0,
33                    shader_location: 0,
34                    format: wgpu::VertexFormat::Float32x3,
35                },
36                // color
37                wgpu::VertexAttribute {
38                    offset: 12,
39                    shader_location: 1,
40                    format: wgpu::VertexFormat::Float32x4,
41                },
42                // uv
43                wgpu::VertexAttribute {
44                    offset: 28,
45                    shader_location: 2,
46                    format: wgpu::VertexFormat::Float32x2,
47                },
48            ],
49        }
50    }
51}
rustial_renderer_wgpu/gpu/fill_pattern_vertex.rs

rustial_renderer_wgpu/gpu/
fill_pattern_vertex.rs
