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https://github.com/denoland/deno.git
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424 lines
12 KiB
Rust
424 lines
12 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_core::op;
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use deno_core::OpState;
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use deno_core::Resource;
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use deno_core::ResourceId;
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use serde::Deserialize;
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use serde::Serialize;
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use std::borrow::Cow;
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use super::error::WebGpuError;
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use super::error::WebGpuResult;
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const MAX_BIND_GROUPS: usize = 8;
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pub(crate) struct WebGpuPipelineLayout(
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pub(crate) wgpu_core::id::PipelineLayoutId,
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);
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impl Resource for WebGpuPipelineLayout {
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fn name(&self) -> Cow<str> {
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"webGPUPipelineLayout".into()
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}
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}
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pub(crate) struct WebGpuComputePipeline(
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pub(crate) wgpu_core::id::ComputePipelineId,
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);
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impl Resource for WebGpuComputePipeline {
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fn name(&self) -> Cow<str> {
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"webGPUComputePipeline".into()
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}
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}
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pub(crate) struct WebGpuRenderPipeline(
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pub(crate) wgpu_core::id::RenderPipelineId,
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);
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impl Resource for WebGpuRenderPipeline {
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fn name(&self) -> Cow<str> {
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"webGPURenderPipeline".into()
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub enum GPUAutoLayoutMode {
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Auto,
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}
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#[derive(Deserialize)]
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#[serde(untagged)]
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pub enum GPUPipelineLayoutOrGPUAutoLayoutMode {
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Layout(ResourceId),
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Auto(GPUAutoLayoutMode),
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct GpuProgrammableStage {
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module: ResourceId,
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entry_point: String,
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// constants: HashMap<String, GPUPipelineConstantValue>
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}
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#[op]
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pub fn op_webgpu_create_compute_pipeline(
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state: &mut OpState,
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device_rid: ResourceId,
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label: Option<String>,
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layout: GPUPipelineLayoutOrGPUAutoLayoutMode,
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compute: GpuProgrammableStage,
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) -> Result<WebGpuResult, AnyError> {
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let instance = state.borrow::<super::Instance>();
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let device_resource = state
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.resource_table
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.get::<super::WebGpuDevice>(device_rid)?;
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let device = device_resource.0;
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let pipeline_layout = match layout {
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GPUPipelineLayoutOrGPUAutoLayoutMode::Layout(rid) => {
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let id = state.resource_table.get::<WebGpuPipelineLayout>(rid)?;
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Some(id.0)
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}
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GPUPipelineLayoutOrGPUAutoLayoutMode::Auto(GPUAutoLayoutMode::Auto) => None,
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};
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let compute_shader_module_resource =
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state
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.resource_table
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.get::<super::shader::WebGpuShaderModule>(compute.module)?;
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let descriptor = wgpu_core::pipeline::ComputePipelineDescriptor {
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label: label.map(Cow::from),
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layout: pipeline_layout,
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stage: wgpu_core::pipeline::ProgrammableStageDescriptor {
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module: compute_shader_module_resource.0,
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entry_point: Cow::from(compute.entry_point),
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// TODO(lucacasonato): support args.compute.constants
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},
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};
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let implicit_pipelines = match layout {
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GPUPipelineLayoutOrGPUAutoLayoutMode::Layout(_) => None,
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GPUPipelineLayoutOrGPUAutoLayoutMode::Auto(GPUAutoLayoutMode::Auto) => {
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Some(wgpu_core::device::ImplicitPipelineIds {
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root_id: (),
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group_ids: &[(); MAX_BIND_GROUPS],
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})
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}
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};
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let (compute_pipeline, maybe_err) = gfx_select!(device => instance.device_create_compute_pipeline(
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device,
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&descriptor,
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(),
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implicit_pipelines
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));
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let rid = state
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.resource_table
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.add(WebGpuComputePipeline(compute_pipeline));
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Ok(WebGpuResult::rid_err(rid, maybe_err))
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}
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#[derive(Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct PipelineLayout {
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rid: ResourceId,
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label: String,
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err: Option<WebGpuError>,
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}
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#[op]
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pub fn op_webgpu_compute_pipeline_get_bind_group_layout(
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state: &mut OpState,
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compute_pipeline_rid: ResourceId,
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index: u32,
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) -> Result<PipelineLayout, AnyError> {
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let instance = state.borrow::<super::Instance>();
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let compute_pipeline_resource = state
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.resource_table
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.get::<WebGpuComputePipeline>(compute_pipeline_rid)?;
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let compute_pipeline = compute_pipeline_resource.0;
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let (bind_group_layout, maybe_err) = gfx_select!(compute_pipeline => instance.compute_pipeline_get_bind_group_layout(compute_pipeline, index, ()));
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let label = gfx_select!(bind_group_layout => instance.bind_group_layout_label(bind_group_layout));
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let rid = state
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.resource_table
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.add(super::binding::WebGpuBindGroupLayout(bind_group_layout));
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Ok(PipelineLayout {
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rid,
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label,
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err: maybe_err.map(WebGpuError::from),
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})
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "kebab-case")]
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pub enum GpuCullMode {
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None,
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Front,
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Back,
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}
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impl From<GpuCullMode> for Option<wgpu_types::Face> {
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fn from(value: GpuCullMode) -> Option<wgpu_types::Face> {
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match value {
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GpuCullMode::None => None,
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GpuCullMode::Front => Some(wgpu_types::Face::Front),
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GpuCullMode::Back => Some(wgpu_types::Face::Back),
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}
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuPrimitiveState {
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topology: wgpu_types::PrimitiveTopology,
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strip_index_format: Option<wgpu_types::IndexFormat>,
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front_face: wgpu_types::FrontFace,
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cull_mode: GpuCullMode,
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unclipped_depth: bool,
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}
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impl From<GpuPrimitiveState> for wgpu_types::PrimitiveState {
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fn from(value: GpuPrimitiveState) -> wgpu_types::PrimitiveState {
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wgpu_types::PrimitiveState {
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topology: value.topology,
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strip_index_format: value.strip_index_format,
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front_face: value.front_face,
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cull_mode: value.cull_mode.into(),
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unclipped_depth: value.unclipped_depth,
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polygon_mode: Default::default(), // native-only
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conservative: false, // native-only
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}
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuDepthStencilState {
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format: wgpu_types::TextureFormat,
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depth_write_enabled: bool,
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depth_compare: wgpu_types::CompareFunction,
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stencil_front: wgpu_types::StencilFaceState,
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stencil_back: wgpu_types::StencilFaceState,
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stencil_read_mask: u32,
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stencil_write_mask: u32,
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depth_bias: i32,
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depth_bias_slope_scale: f32,
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depth_bias_clamp: f32,
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}
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impl From<GpuDepthStencilState> for wgpu_types::DepthStencilState {
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fn from(state: GpuDepthStencilState) -> wgpu_types::DepthStencilState {
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wgpu_types::DepthStencilState {
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format: state.format,
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depth_write_enabled: state.depth_write_enabled,
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depth_compare: state.depth_compare,
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stencil: wgpu_types::StencilState {
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front: state.stencil_front,
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back: state.stencil_back,
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read_mask: state.stencil_read_mask,
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write_mask: state.stencil_write_mask,
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},
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bias: wgpu_types::DepthBiasState {
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constant: state.depth_bias,
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slope_scale: state.depth_bias_slope_scale,
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clamp: state.depth_bias_clamp,
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},
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}
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuVertexBufferLayout {
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array_stride: u64,
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step_mode: wgpu_types::VertexStepMode,
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attributes: Vec<wgpu_types::VertexAttribute>,
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}
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impl<'a> From<GpuVertexBufferLayout>
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for wgpu_core::pipeline::VertexBufferLayout<'a>
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{
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fn from(
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layout: GpuVertexBufferLayout,
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) -> wgpu_core::pipeline::VertexBufferLayout<'a> {
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wgpu_core::pipeline::VertexBufferLayout {
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array_stride: layout.array_stride,
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step_mode: layout.step_mode,
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attributes: Cow::Owned(layout.attributes),
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}
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuVertexState {
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module: ResourceId,
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entry_point: String,
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buffers: Vec<Option<GpuVertexBufferLayout>>,
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuMultisampleState {
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count: u32,
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mask: u64,
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alpha_to_coverage_enabled: bool,
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}
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impl From<GpuMultisampleState> for wgpu_types::MultisampleState {
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fn from(gms: GpuMultisampleState) -> wgpu_types::MultisampleState {
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wgpu_types::MultisampleState {
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count: gms.count,
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mask: gms.mask,
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alpha_to_coverage_enabled: gms.alpha_to_coverage_enabled,
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}
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct GpuFragmentState {
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targets: Vec<Option<wgpu_types::ColorTargetState>>,
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module: u32,
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entry_point: String,
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// TODO(lucacasonato): constants
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct CreateRenderPipelineArgs {
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device_rid: ResourceId,
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label: Option<String>,
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layout: GPUPipelineLayoutOrGPUAutoLayoutMode,
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vertex: GpuVertexState,
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primitive: GpuPrimitiveState,
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depth_stencil: Option<GpuDepthStencilState>,
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multisample: wgpu_types::MultisampleState,
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fragment: Option<GpuFragmentState>,
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}
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#[op]
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pub fn op_webgpu_create_render_pipeline(
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state: &mut OpState,
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args: CreateRenderPipelineArgs,
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) -> Result<WebGpuResult, AnyError> {
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let instance = state.borrow::<super::Instance>();
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let device_resource = state
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.resource_table
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.get::<super::WebGpuDevice>(args.device_rid)?;
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let device = device_resource.0;
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let layout = match args.layout {
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GPUPipelineLayoutOrGPUAutoLayoutMode::Layout(rid) => {
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let pipeline_layout_resource =
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state.resource_table.get::<WebGpuPipelineLayout>(rid)?;
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Some(pipeline_layout_resource.0)
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}
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GPUPipelineLayoutOrGPUAutoLayoutMode::Auto(GPUAutoLayoutMode::Auto) => None,
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};
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let vertex_shader_module_resource =
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state
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.resource_table
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.get::<super::shader::WebGpuShaderModule>(args.vertex.module)?;
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let fragment = if let Some(fragment) = args.fragment {
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let fragment_shader_module_resource =
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state
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.resource_table
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.get::<super::shader::WebGpuShaderModule>(fragment.module)?;
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Some(wgpu_core::pipeline::FragmentState {
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stage: wgpu_core::pipeline::ProgrammableStageDescriptor {
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module: fragment_shader_module_resource.0,
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entry_point: Cow::from(fragment.entry_point),
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},
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targets: Cow::from(fragment.targets),
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})
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} else {
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None
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};
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let vertex_buffers = args
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.vertex
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.buffers
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.into_iter()
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.flatten()
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.map(Into::into)
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.collect();
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let descriptor = wgpu_core::pipeline::RenderPipelineDescriptor {
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label: args.label.map(Cow::Owned),
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layout,
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vertex: wgpu_core::pipeline::VertexState {
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stage: wgpu_core::pipeline::ProgrammableStageDescriptor {
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module: vertex_shader_module_resource.0,
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entry_point: Cow::Owned(args.vertex.entry_point),
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},
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buffers: Cow::Owned(vertex_buffers),
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},
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primitive: args.primitive.into(),
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depth_stencil: args.depth_stencil.map(Into::into),
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multisample: args.multisample,
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fragment,
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multiview: None,
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};
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let implicit_pipelines = match args.layout {
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GPUPipelineLayoutOrGPUAutoLayoutMode::Layout(_) => None,
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GPUPipelineLayoutOrGPUAutoLayoutMode::Auto(GPUAutoLayoutMode::Auto) => {
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Some(wgpu_core::device::ImplicitPipelineIds {
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root_id: (),
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group_ids: &[(); MAX_BIND_GROUPS],
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})
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}
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};
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let (render_pipeline, maybe_err) = gfx_select!(device => instance.device_create_render_pipeline(
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device,
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&descriptor,
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(),
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implicit_pipelines
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));
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let rid = state
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.resource_table
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.add(WebGpuRenderPipeline(render_pipeline));
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Ok(WebGpuResult::rid_err(rid, maybe_err))
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}
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#[op]
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pub fn op_webgpu_render_pipeline_get_bind_group_layout(
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state: &mut OpState,
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render_pipeline_rid: ResourceId,
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index: u32,
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) -> Result<PipelineLayout, AnyError> {
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let instance = state.borrow::<super::Instance>();
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let render_pipeline_resource = state
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.resource_table
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.get::<WebGpuRenderPipeline>(render_pipeline_rid)?;
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let render_pipeline = render_pipeline_resource.0;
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let (bind_group_layout, maybe_err) = gfx_select!(render_pipeline => instance.render_pipeline_get_bind_group_layout(render_pipeline, index, ()));
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let label = gfx_select!(bind_group_layout => instance.bind_group_layout_label(bind_group_layout));
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let rid = state
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.resource_table
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.add(super::binding::WebGpuBindGroupLayout(bind_group_layout));
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Ok(PipelineLayout {
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rid,
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label,
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err: maybe_err.map(WebGpuError::from),
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})
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}
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