shape_viz_core/renderer/
shaders.rs

1//! Shader compilation and uniform structures
2
3use crate::error::Result;
4use bytemuck::{Pod, Zeroable};
5
6use super::vertex::Vertex;
7
8/// Uniform data for screen dimensions
9#[repr(C)]
10#[derive(Copy, Clone, Debug, Pod, Zeroable)]
11pub struct ScreenUniforms {
12    pub width: f32,
13    pub height: f32,
14}
15
16/// Create render pipeline with shaders
17pub fn create_render_pipeline(
18    device: &wgpu::Device,
19    bind_group_layout: &wgpu::BindGroupLayout,
20) -> Result<wgpu::RenderPipeline> {
21    let shader_source = include_str!("../shaders/basic.wgsl");
22    let shader = device.create_shader_module(wgpu::ShaderModuleDescriptor {
23        label: Some("Chart Shader"),
24        source: wgpu::ShaderSource::Wgsl(shader_source.into()),
25    });
26
27    let pipeline_layout = device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
28        label: Some("Chart Pipeline Layout"),
29        bind_group_layouts: &[bind_group_layout],
30        push_constant_ranges: &[],
31    });
32
33    let render_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
34        label: Some("Chart Pipeline"),
35        layout: Some(&pipeline_layout),
36        vertex: wgpu::VertexState {
37            module: &shader,
38            entry_point: Some("vs_main"),
39            buffers: &[Vertex::desc()],
40            compilation_options: wgpu::PipelineCompilationOptions::default(),
41        },
42        fragment: Some(wgpu::FragmentState {
43            module: &shader,
44            entry_point: Some("fs_main"),
45            targets: &[Some(wgpu::ColorTargetState {
46                format: wgpu::TextureFormat::Rgba8Unorm, // Use linear color space
47                blend: Some(wgpu::BlendState::ALPHA_BLENDING),
48                write_mask: wgpu::ColorWrites::ALL,
49            })],
50            compilation_options: wgpu::PipelineCompilationOptions::default(),
51        }),
52        primitive: wgpu::PrimitiveState {
53            topology: wgpu::PrimitiveTopology::TriangleList,
54            strip_index_format: None,
55            front_face: wgpu::FrontFace::Ccw,
56            cull_mode: None,
57            unclipped_depth: false,
58            polygon_mode: wgpu::PolygonMode::Fill,
59            conservative: false,
60        },
61        depth_stencil: None,
62        multisample: wgpu::MultisampleState::default(),
63        multiview: None,
64        cache: None,
65    });
66
67    Ok(render_pipeline)
68}
shape_viz_core/renderer/shaders.rs

shape_viz_core/renderer/
shaders.rs
