---
source: wgsl_to_wgpu/src/structs.rs
---
pub const ENTRY_MAIN: &str = "main";
#[derive(Debug)]
pub struct FragmentEntry<const N: usize> {
pub entry_point: &'static str,
pub targets: [Option<wgpu::ColorTargetState>; N],
pub constants: Vec<(&'static str, f64)>,
}
pub fn fragment_state<'a, const N: usize>(
module: &'a wgpu::ShaderModule,
entry: &'a FragmentEntry<N>,
) -> wgpu::FragmentState<'a> {
wgpu::FragmentState {
module,
entry_point: Some(entry.entry_point),
targets: &entry.targets,
compilation_options: wgpu::PipelineCompilationOptions {
constants: &entry.constants,
..Default::default()
},
}
}
pub fn main_entry(targets: [Option<wgpu::ColorTargetState>; 0]) -> FragmentEntry<0> {
FragmentEntry {
entry_point: ENTRY_MAIN,
targets,
constants: Default::default(),
}
}
pub const SOURCE: &str = include_str!("types.wgsl");
pub fn create_shader_module(device: &wgpu::Device) -> wgpu::ShaderModule {
let source = std::borrow::Cow::Borrowed(SOURCE);
device.create_shader_module(wgpu::ShaderModuleDescriptor {
label: None,
source: wgpu::ShaderSource::Wgsl(source),
})
}
pub fn create_pipeline_layout(device: &wgpu::Device) -> wgpu::PipelineLayout {
device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
label: None,
bind_group_layouts: &[],
push_constant_ranges: &[],
})
}
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct Atomics {
pub num: u32,
pub numi: i32,
}
const _: () = assert!(
std::mem::size_of::<Atomics>() == 8,
"size of Atomics does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Atomics, num) == 0,
"offset of Atomics.num does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Atomics, numi) == 4,
"offset of Atomics.numi does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct MatricesF16 {
pub a: [[half::f16; 4]; 4],
pub b: [[half::f16; 4]; 3],
pub c: [[half::f16; 4]; 2],
pub d: [[half::f16; 3]; 4],
pub e: [[half::f16; 3]; 3],
pub f: [[half::f16; 3]; 2],
pub g: [[half::f16; 2]; 4],
pub h: [[half::f16; 2]; 3],
pub i: [[half::f16; 2]; 2],
}
const _: () = assert!(
std::mem::size_of::<MatricesF16>() == 184,
"size of MatricesF16 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, a) == 0,
"offset of MatricesF16.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, b) == 32,
"offset of MatricesF16.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, c) == 64,
"offset of MatricesF16.c does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, d) == 80,
"offset of MatricesF16.d does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, e) == 104,
"offset of MatricesF16.e does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, f) == 128,
"offset of MatricesF16.f does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, g) == 144,
"offset of MatricesF16.g does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, h) == 160,
"offset of MatricesF16.h does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF16, i) == 176,
"offset of MatricesF16.i does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct MatricesF32 {
pub a: [[f32; 4]; 4],
pub b: [[f32; 4]; 3],
pub c: [[f32; 4]; 2],
pub d: [[f32; 3]; 4],
pub e: [[f32; 3]; 3],
pub f: [[f32; 3]; 2],
pub g: [[f32; 2]; 4],
pub h: [[f32; 2]; 3],
pub i: [[f32; 2]; 2],
}
const _: () = assert!(
std::mem::size_of::<MatricesF32>() == 368,
"size of MatricesF32 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, a) == 0,
"offset of MatricesF32.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, b) == 64,
"offset of MatricesF32.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, c) == 128,
"offset of MatricesF32.c does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, d) == 160,
"offset of MatricesF32.d does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, e) == 208,
"offset of MatricesF32.e does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, f) == 256,
"offset of MatricesF32.f does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, g) == 288,
"offset of MatricesF32.g does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, h) == 320,
"offset of MatricesF32.h does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF32, i) == 352,
"offset of MatricesF32.i does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct MatricesF64 {
pub a: [[f64; 4]; 4],
pub b: [[f64; 4]; 3],
pub c: [[f64; 4]; 2],
pub d: [[f64; 3]; 4],
pub e: [[f64; 3]; 3],
pub f: [[f64; 3]; 2],
pub g: [[f64; 2]; 4],
pub h: [[f64; 2]; 3],
pub i: [[f64; 2]; 2],
}
const _: () = assert!(
std::mem::size_of::<MatricesF64>() == 736,
"size of MatricesF64 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, a) == 0,
"offset of MatricesF64.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, b) == 128,
"offset of MatricesF64.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, c) == 256,
"offset of MatricesF64.c does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, d) == 320,
"offset of MatricesF64.d does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, e) == 416,
"offset of MatricesF64.e does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, f) == 512,
"offset of MatricesF64.f does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, g) == 576,
"offset of MatricesF64.g does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, h) == 640,
"offset of MatricesF64.h does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(MatricesF64, i) == 704,
"offset of MatricesF64.i does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct Nested {
pub a: MatricesF32,
pub b: MatricesF64,
}
const _: () = assert!(
std::mem::size_of::<Nested>() == 1120,
"size of Nested does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Nested, a) == 0,
"offset of Nested.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Nested, b) == 384,
"offset of Nested.b does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct Scalars {
pub a: u32,
pub b: i32,
pub c: f32,
pub d: half::f16,
}
const _: () = assert!(
std::mem::size_of::<Scalars>() == 16,
"size of Scalars does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Scalars, a) == 0,
"offset of Scalars.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Scalars, b) == 4,
"offset of Scalars.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Scalars, c) == 8,
"offset of Scalars.c does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(Scalars, d) == 12,
"offset of Scalars.d does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct StaticArrays {
pub a: [u32; 5],
pub b: [f32; 3],
pub c: [[[f32; 4]; 4]; 512],
}
const _: () = assert!(
std::mem::size_of::<StaticArrays>() == 32800,
"size of StaticArrays does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(StaticArrays, a) == 0,
"offset of StaticArrays.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(StaticArrays, b) == 20,
"offset of StaticArrays.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(StaticArrays, c) == 32,
"offset of StaticArrays.c does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct VectorsF16 {
pub a: [half::f16; 2],
pub b: [half::f16; 4],
}
const _: () = assert!(
std::mem::size_of::<VectorsF16>() == 16,
"size of VectorsF16 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF16, a) == 0,
"offset of VectorsF16.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF16, b) == 8,
"offset of VectorsF16.b does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct VectorsF32 {
pub a: [f32; 2],
pub b: [f32; 3],
pub c: [f32; 4],
}
const _: () = assert!(
std::mem::size_of::<VectorsF32>() == 48,
"size of VectorsF32 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF32, a) == 0,
"offset of VectorsF32.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF32, b) == 16,
"offset of VectorsF32.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF32, c) == 32,
"offset of VectorsF32.c does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct VectorsF64 {
pub a: [f64; 2],
pub b: [f64; 3],
pub c: [f64; 4],
}
const _: () = assert!(
std::mem::size_of::<VectorsF64>() == 96,
"size of VectorsF64 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF64, a) == 0,
"offset of VectorsF64.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF64, b) == 32,
"offset of VectorsF64.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsF64, c) == 64,
"offset of VectorsF64.c does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct VectorsI32 {
pub a: [i32; 2],
pub b: [i32; 3],
pub c: [i32; 4],
}
const _: () = assert!(
std::mem::size_of::<VectorsI32>() == 48,
"size of VectorsI32 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsI32, a) == 0,
"offset of VectorsI32.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsI32, b) == 16,
"offset of VectorsI32.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsI32, c) == 32,
"offset of VectorsI32.c does not match WGSL"
);
#[repr(C)]
#[derive(
Debug, Copy, Clone, PartialEq, bytemuck :: Pod, bytemuck :: Zeroable, encase :: ShaderType,
)]
pub struct VectorsU32 {
pub a: [u32; 2],
pub b: [u32; 3],
pub c: [u32; 4],
}
const _: () = assert!(
std::mem::size_of::<VectorsU32>() == 48,
"size of VectorsU32 does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsU32, a) == 0,
"offset of VectorsU32.a does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsU32, b) == 16,
"offset of VectorsU32.b does not match WGSL"
);
const _: () = assert!(
std::mem::offset_of!(VectorsU32, c) == 32,
"offset of VectorsU32.c does not match WGSL"
);