veloren_voxygen/render/pipelines/
skybox.rs

1use super::super::{AaMode, GlobalsLayouts, Mesh, Quad, Vertex as VertexTrait};
2use bytemuck::{Pod, Zeroable};
3use std::mem;
4
5#[repr(C)]
6#[derive(Copy, Clone, Debug, Zeroable, Pod)]
7pub struct Vertex {
8    pub pos: [f32; 3],
9}
10
11impl Vertex {
12    fn desc<'a>() -> wgpu::VertexBufferLayout<'a> {
13        wgpu::VertexBufferLayout {
14            array_stride: Self::STRIDE,
15            step_mode: wgpu::VertexStepMode::Vertex,
16            attributes: &[wgpu::VertexAttribute {
17                offset: 0,
18                shader_location: 0,
19                format: wgpu::VertexFormat::Float32x3,
20            }],
21        }
22    }
23}
24
25impl VertexTrait for Vertex {
26    const QUADS_INDEX: Option<wgpu::IndexFormat> = None;
27    const STRIDE: wgpu::BufferAddress = mem::size_of::<Self>() as wgpu::BufferAddress;
28}
29
30// TODO: does skybox still do anything with new cloud shaders?
31pub struct SkyboxPipeline {
32    pub pipeline: wgpu::RenderPipeline,
33}
34
35impl SkyboxPipeline {
36    pub fn new(
37        device: &wgpu::Device,
38        vs_module: &wgpu::ShaderModule,
39        fs_module: &wgpu::ShaderModule,
40        layouts: &GlobalsLayouts,
41        aa_mode: AaMode,
42        format: wgpu::TextureFormat,
43    ) -> Self {
44        common_base::span!(_guard, "SkyboxPipeline::new");
45        let render_pipeline_layout =
46            device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
47                label: Some("Skybox pipeline layout"),
48                push_constant_ranges: &[],
49                bind_group_layouts: &[&layouts.globals, &layouts.shadow_textures],
50            });
51
52        let samples = aa_mode.samples();
53
54        let render_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
55            label: Some("Skybox pipeline"),
56            layout: Some(&render_pipeline_layout),
57            vertex: wgpu::VertexState {
58                module: vs_module,
59                entry_point: "main",
60                buffers: &[Vertex::desc()],
61            },
62            primitive: wgpu::PrimitiveState {
63                topology: wgpu::PrimitiveTopology::TriangleList,
64                strip_index_format: None,
65                front_face: wgpu::FrontFace::Ccw,
66                cull_mode: Some(wgpu::Face::Back),
67                unclipped_depth: false,
68                polygon_mode: wgpu::PolygonMode::Fill,
69                conservative: false,
70            },
71            depth_stencil: Some(wgpu::DepthStencilState {
72                format: wgpu::TextureFormat::Depth32Float,
73                depth_write_enabled: true,
74                depth_compare: wgpu::CompareFunction::GreaterEqual,
75                stencil: wgpu::StencilState {
76                    front: wgpu::StencilFaceState::IGNORE,
77                    back: wgpu::StencilFaceState::IGNORE,
78                    read_mask: !0,
79                    write_mask: 0,
80                },
81                bias: wgpu::DepthBiasState {
82                    constant: 0,
83                    slope_scale: 0.0,
84                    clamp: 0.0,
85                },
86            }),
87            multisample: wgpu::MultisampleState {
88                count: samples,
89                mask: !0,
90                alpha_to_coverage_enabled: false,
91            },
92            fragment: Some(wgpu::FragmentState {
93                module: fs_module,
94                entry_point: "main",
95                targets: &[
96                    Some(wgpu::ColorTargetState {
97                        format,
98                        blend: Some(wgpu::BlendState {
99                            color: wgpu::BlendComponent::REPLACE,
100                            alpha: wgpu::BlendComponent {
101                                src_factor: wgpu::BlendFactor::Zero,
102                                dst_factor: wgpu::BlendFactor::One,
103                                operation: wgpu::BlendOperation::Add,
104                            },
105                        }),
106                        write_mask: wgpu::ColorWrites::ALL,
107                    }),
108                    Some(wgpu::ColorTargetState {
109                        format: wgpu::TextureFormat::Rgba8Uint,
110                        blend: None,
111                        write_mask: wgpu::ColorWrites::ALL,
112                    }),
113                ],
114            }),
115            multiview: None,
116        });
117
118        Self {
119            pipeline: render_pipeline,
120        }
121    }
122}
123
124#[rustfmt::skip]
125pub fn create_mesh() -> Mesh<Vertex> {
126    let mut mesh = Mesh::new();
127
128    // -x
129    mesh.push_quad(Quad::new(
130        Vertex { pos: [-1.0, -1.0, -1.0] },
131        Vertex { pos: [-1.0,  1.0, -1.0] },
132        Vertex { pos: [-1.0,  1.0,  1.0] },
133        Vertex { pos: [-1.0, -1.0,  1.0] },
134    ));
135    // +x
136    mesh.push_quad(Quad::new(
137        Vertex { pos: [ 1.0, -1.0,  1.0] },
138        Vertex { pos: [ 1.0,  1.0,  1.0] },
139        Vertex { pos: [ 1.0,  1.0, -1.0] },
140        Vertex { pos: [ 1.0, -1.0, -1.0] },
141    ));
142    // -y
143    mesh.push_quad(Quad::new(
144        Vertex { pos: [ 1.0, -1.0, -1.0] },
145        Vertex { pos: [-1.0, -1.0, -1.0] },
146        Vertex { pos: [-1.0, -1.0,  1.0] },
147        Vertex { pos: [ 1.0, -1.0,  1.0] },
148    ));
149    // +y
150    mesh.push_quad(Quad::new(
151        Vertex { pos: [ 1.0,  1.0,  1.0] },
152        Vertex { pos: [-1.0,  1.0,  1.0] },
153        Vertex { pos: [-1.0,  1.0, -1.0] },
154        Vertex { pos: [ 1.0,  1.0, -1.0] },
155    ));
156    // -z
157    mesh.push_quad(Quad::new(
158        Vertex { pos: [-1.0, -1.0, -1.0] },
159        Vertex { pos: [ 1.0, -1.0, -1.0] },
160        Vertex { pos: [ 1.0,  1.0, -1.0] },
161        Vertex { pos: [-1.0,  1.0, -1.0] },
162    ));
163    // +z
164    mesh.push_quad(Quad::new(
165        Vertex { pos: [-1.0,  1.0,  1.0] },
166        Vertex { pos: [ 1.0,  1.0,  1.0] },
167        Vertex { pos: [ 1.0, -1.0,  1.0] },
168        Vertex { pos: [-1.0, -1.0,  1.0] },
169    ));
170
171    mesh
172}
veloren_voxygen/render/pipelines/skybox.rs

veloren_voxygen/render/pipelines/
skybox.rs
