lumen_engine_gpu/
pass.rs

1use std::ops::Range;
2
3use crate::{Binding, BufferId, NodeKey, PassId, ProgramId, Size, TextureId};
4
5#[derive(Debug, Clone, Copy, PartialEq)]
6pub enum LoadOp {
7    Load,
8    Clear(wgpu::Color),
9}
10
11#[derive(Debug, Clone, Copy, PartialEq)]
12pub struct RenderTargetRef {
13    pub texture: TextureId,
14    pub load: LoadOp,
15    pub store: wgpu::StoreOp,
16}
17
18#[derive(Debug, Clone, Copy, PartialEq, Eq)]
19pub struct ScissorRect {
20    pub x: u32,
21    pub y: u32,
22    pub width: u32,
23    pub height: u32,
24}
25
26#[derive(Debug, Clone, PartialEq, Eq)]
27pub struct Draw {
28    pub vertices: Range<u32>,
29    pub instances: Range<u32>,
30}
31
32#[derive(Debug, Clone, PartialEq, Eq)]
33pub struct DrawIndexed {
34    pub indices: Range<u32>,
35    pub base_vertex: i32,
36    pub instances: Range<u32>,
37}
38
39#[derive(Debug, Clone, PartialEq, Eq)]
40pub enum DrawCommand {
41    Draw(Draw),
42    DrawIndexed(DrawIndexed),
43}
44
45#[derive(Debug, Clone)]
46pub struct RenderPassDesc {
47    pub label: Option<String>,
48    pub owner: Option<NodeKey>,
49    pub program: ProgramId,
50    pub targets: Vec<RenderTargetRef>,
51    pub bindings: Vec<Binding>,
52    pub vertex_buffers: Vec<BufferId>,
53    pub index_buffer: Option<(BufferId, wgpu::IndexFormat)>,
54    pub draw: DrawCommand,
55    pub scissor: Option<ScissorRect>,
56}
57
58#[derive(Debug, Clone, Copy, PartialEq, Eq)]
59pub struct Dispatch {
60    pub x: u32,
61    pub y: u32,
62    pub z: u32,
63}
64
65#[derive(Debug, Clone, Copy, PartialEq, Eq)]
66pub enum ComputeDispatch {
67    Direct(Dispatch),
68    Indirect { buffer: BufferId, offset: u64 },
69}
70
71impl From<Dispatch> for ComputeDispatch {
72    fn from(dispatch: Dispatch) -> Self {
73        Self::Direct(dispatch)
74    }
75}
76
77#[derive(Debug, Clone)]
78pub struct ComputePassDesc {
79    pub label: Option<String>,
80    pub owner: Option<NodeKey>,
81    pub program: ProgramId,
82    pub bindings: Vec<Binding>,
83    pub dispatch: ComputeDispatch,
84}
85
86#[derive(Debug, Clone)]
87pub struct CopyTextureDesc {
88    pub label: Option<String>,
89    pub source: TextureId,
90    pub destination: TextureId,
91    pub origin: wgpu::Origin3d,
92    pub size: Size,
93}
94
95#[derive(Debug, Clone)]
96pub enum PassDesc {
97    Render(RenderPassDesc),
98    Compute(ComputePassDesc),
99    CopyTexture(CopyTextureDesc),
100}
101
102#[derive(Debug, Clone)]
103pub struct Pass {
104    pub id: PassId,
105    pub desc: PassDesc,
106}
lumen_engine_gpu/pass.rs

lumen_engine_gpu/
pass.rs
