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https://github.com/denoland/deno.git
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551 lines
19 KiB
Rust
551 lines
19 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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#![deny(warnings)]
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use deno_core::error::AnyError;
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use deno_core::error::{bad_resource_id, not_supported};
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use deno_core::serde_json::json;
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use deno_core::serde_json::Value;
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use deno_core::OpState;
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use deno_core::ResourceId;
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use deno_core::ZeroCopyBuf;
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use deno_core::{BufVec, Resource};
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use serde::Deserialize;
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use std::borrow::Cow;
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use std::cell::RefCell;
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use std::path::PathBuf;
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use std::rc::Rc;
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pub use wgpu_core;
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pub use wgpu_types;
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use error::DOMExceptionOperationError;
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use error::WebGPUError;
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#[macro_use]
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mod macros {
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macro_rules! gfx_select {
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($id:expr => $global:ident.$method:ident( $($param:expr),* )) => {
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match $id.backend() {
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#[cfg(all(not(target_arch = "wasm32"), not(any(target_os = "ios", target_os = "macos"))))]
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wgpu_types::Backend::Vulkan => $global.$method::<wgpu_core::backend::Vulkan>( $($param),* ),
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#[cfg(all(not(target_arch = "wasm32"), any(target_os = "ios", target_os = "macos")))]
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wgpu_types::Backend::Metal => $global.$method::<wgpu_core::backend::Metal>( $($param),* ),
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#[cfg(all(not(target_arch = "wasm32"), windows))]
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wgpu_types::Backend::Dx12 => $global.$method::<wgpu_core::backend::Dx12>( $($param),* ),
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#[cfg(all(not(target_arch = "wasm32"), windows))]
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wgpu_types::Backend::Dx11 => $global.$method::<wgpu_core::backend::Dx11>( $($param),* ),
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#[cfg(any(target_arch = "wasm32", all(unix, not(any(target_os = "ios", target_os = "macos")))))]
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wgpu_types::Backend::Gl => $global.$method::<wgpu_core::backend::Gl>( $($param),+ ),
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other => panic!("Unexpected backend {:?}", other),
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}
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};
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}
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}
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pub mod binding;
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pub mod buffer;
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pub mod bundle;
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pub mod command_encoder;
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pub mod compute_pass;
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pub mod error;
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pub mod pipeline;
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pub mod queue;
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pub mod render_pass;
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pub mod sampler;
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pub mod shader;
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pub mod texture;
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pub struct Unstable(pub bool);
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fn check_unstable(state: &OpState, api_name: &str) {
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let unstable = state.borrow::<Unstable>();
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if !unstable.0 {
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eprintln!(
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"Unstable API '{}'. The --unstable flag must be provided.",
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api_name
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);
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std::process::exit(70);
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}
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}
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type Instance = wgpu_core::hub::Global<wgpu_core::hub::IdentityManagerFactory>;
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struct WebGPUAdapter(wgpu_core::id::AdapterId);
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impl Resource for WebGPUAdapter {
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fn name(&self) -> Cow<str> {
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"webGPUAdapter".into()
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}
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}
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struct WebGPUDevice(wgpu_core::id::DeviceId);
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impl Resource for WebGPUDevice {
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fn name(&self) -> Cow<str> {
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"webGPUDevice".into()
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}
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}
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struct WebGPUQuerySet(wgpu_core::id::QuerySetId);
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impl Resource for WebGPUQuerySet {
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fn name(&self) -> Cow<str> {
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"webGPUQuerySet".into()
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}
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}
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/// Execute this crates' JS source files.
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pub fn init(isolate: &mut deno_core::JsRuntime) {
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let files = vec![
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(
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"deno:op_crates/webgpu/01_webgpu.js",
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include_str!("01_webgpu.js"),
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),
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(
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"deno:op_crates/webgpu/02_idl_types.js",
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include_str!("02_idl_types.js"),
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),
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];
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for (url, source_code) in files {
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isolate.execute(url, source_code).unwrap();
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}
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}
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pub fn get_declaration() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("lib.deno_webgpu.d.ts")
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}
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fn deserialize_features(features: &wgpu_types::Features) -> Vec<&str> {
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let mut return_features: Vec<&str> = vec![];
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if features.contains(wgpu_types::Features::DEPTH_CLAMPING) {
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return_features.push("depth-clamping");
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}
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if features.contains(wgpu_types::Features::PIPELINE_STATISTICS_QUERY) {
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return_features.push("pipeline-statistics-query");
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}
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if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_BC) {
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return_features.push("texture-compression-bc");
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}
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if features.contains(wgpu_types::Features::TIMESTAMP_QUERY) {
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return_features.push("timestamp-query");
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}
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// extended from spec
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if features.contains(wgpu_types::Features::MAPPABLE_PRIMARY_BUFFERS) {
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return_features.push("mappable-primary-buffers");
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}
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if features.contains(wgpu_types::Features::SAMPLED_TEXTURE_BINDING_ARRAY) {
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return_features.push("sampled-texture-binding-array");
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}
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if features
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.contains(wgpu_types::Features::SAMPLED_TEXTURE_ARRAY_DYNAMIC_INDEXING)
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{
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return_features.push("sampled-texture-array-dynamic-indexing");
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}
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if features
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.contains(wgpu_types::Features::SAMPLED_TEXTURE_ARRAY_NON_UNIFORM_INDEXING)
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{
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return_features.push("sampled-texture-array-non-uniform-indexing");
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}
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if features.contains(wgpu_types::Features::UNSIZED_BINDING_ARRAY) {
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return_features.push("unsized-binding-array");
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}
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if features.contains(wgpu_types::Features::MULTI_DRAW_INDIRECT) {
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return_features.push("multi-draw-indirect");
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}
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if features.contains(wgpu_types::Features::MULTI_DRAW_INDIRECT_COUNT) {
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return_features.push("multi-draw-indirect-count");
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}
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if features.contains(wgpu_types::Features::PUSH_CONSTANTS) {
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return_features.push("push-constants");
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}
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if features.contains(wgpu_types::Features::ADDRESS_MODE_CLAMP_TO_BORDER) {
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return_features.push("address-mode-clamp-to-border");
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}
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if features.contains(wgpu_types::Features::NON_FILL_POLYGON_MODE) {
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return_features.push("non-fill-polygon-mode");
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}
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if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_ETC2) {
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return_features.push("texture-compression-etc2");
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}
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if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_ASTC_LDR) {
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return_features.push("texture-compression-astc-ldr");
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}
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if features
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.contains(wgpu_types::Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES)
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{
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return_features.push("texture-adapter-specific-format-features");
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}
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if features.contains(wgpu_types::Features::SHADER_FLOAT64) {
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return_features.push("shader-float64");
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}
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if features.contains(wgpu_types::Features::VERTEX_ATTRIBUTE_64BIT) {
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return_features.push("vertex-attribute-64bit");
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}
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return_features
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct RequestAdapterArgs {
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power_preference: Option<String>,
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}
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pub async fn op_webgpu_request_adapter(
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state: Rc<RefCell<OpState>>,
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args: RequestAdapterArgs,
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_bufs: BufVec,
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) -> Result<Value, AnyError> {
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let mut state = state.borrow_mut();
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check_unstable(&state, "navigator.gpu.requestAdapter");
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let instance = if let Some(instance) = state.try_borrow::<Instance>() {
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instance
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} else {
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state.put(wgpu_core::hub::Global::new(
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"webgpu",
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wgpu_core::hub::IdentityManagerFactory,
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wgpu_types::BackendBit::PRIMARY,
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));
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state.borrow::<Instance>()
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};
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let descriptor = wgpu_core::instance::RequestAdapterOptions {
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power_preference: match args.power_preference {
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Some(power_preference) => match power_preference.as_str() {
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"low-power" => wgpu_types::PowerPreference::LowPower,
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"high-performance" => wgpu_types::PowerPreference::HighPerformance,
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_ => unreachable!(),
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},
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None => Default::default(),
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},
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compatible_surface: None, // windowless
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};
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let res = instance.request_adapter(
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&descriptor,
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wgpu_core::instance::AdapterInputs::Mask(
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wgpu_types::BackendBit::PRIMARY,
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|_| std::marker::PhantomData,
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),
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);
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let adapter = match res {
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Ok(adapter) => adapter,
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Err(err) => {
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return Ok(json!({
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"err": err.to_string()
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}))
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}
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};
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let name = gfx_select!(adapter => instance.adapter_get_info(adapter))?.name;
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let adapter_features =
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gfx_select!(adapter => instance.adapter_features(adapter))?;
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let features = deserialize_features(&adapter_features);
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let adapter_limits =
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gfx_select!(adapter => instance.adapter_limits(adapter))?;
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let limits = json!({
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"maxBindGroups": adapter_limits.max_bind_groups,
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"maxDynamicUniformBuffersPerPipelineLayout": adapter_limits.max_dynamic_uniform_buffers_per_pipeline_layout,
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"maxDynamicStorageBuffersPerPipelineLayout": adapter_limits.max_dynamic_storage_buffers_per_pipeline_layout,
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"maxSampledTexturesPerShaderStage": adapter_limits.max_sampled_textures_per_shader_stage,
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"maxSamplersPerShaderStage": adapter_limits.max_samplers_per_shader_stage,
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"maxStorageBuffersPerShaderStage": adapter_limits.max_storage_buffers_per_shader_stage,
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"maxStorageTexturesPerShaderStage": adapter_limits.max_storage_textures_per_shader_stage,
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"maxUniformBuffersPerShaderStage": adapter_limits.max_uniform_buffers_per_shader_stage,
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"maxUniformBufferBindingSize": adapter_limits.max_uniform_buffer_binding_size
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});
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let rid = state.resource_table.add(WebGPUAdapter(adapter));
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Ok(json!({
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"rid": rid,
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"name": name,
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"features": features,
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"limits": limits
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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 GPULimits {
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_max_texture_dimension1d: Option<u32>,
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_max_texture_dimension2d: Option<u32>,
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_max_texture_dimension3d: Option<u32>,
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_max_texture_array_layers: Option<u32>,
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max_bind_groups: Option<u32>,
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max_dynamic_uniform_buffers_per_pipeline_layout: Option<u32>,
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max_dynamic_storage_buffers_per_pipeline_layout: Option<u32>,
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max_sampled_textures_per_shader_stage: Option<u32>,
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max_samplers_per_shader_stage: Option<u32>,
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max_storage_buffers_per_shader_stage: Option<u32>,
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max_storage_textures_per_shader_stage: Option<u32>,
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max_uniform_buffers_per_shader_stage: Option<u32>,
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max_uniform_buffer_binding_size: Option<u32>,
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_max_storage_buffer_binding_size: Option<u32>,
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_max_vertex_buffers: Option<u32>,
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_max_vertex_attributes: Option<u32>,
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_max_vertex_buffer_array_stride: Option<u32>,
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct RequestDeviceArgs {
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adapter_rid: ResourceId,
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label: Option<String>,
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non_guaranteed_features: Option<Vec<String>>,
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non_guaranteed_limits: Option<GPULimits>,
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}
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pub async fn op_webgpu_request_device(
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state: Rc<RefCell<OpState>>,
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args: RequestDeviceArgs,
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_bufs: BufVec,
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) -> Result<Value, AnyError> {
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let mut state = state.borrow_mut();
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let adapter_resource = state
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.resource_table
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.get::<WebGPUAdapter>(args.adapter_rid)
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.ok_or_else(bad_resource_id)?;
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let adapter = adapter_resource.0;
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let instance = state.borrow::<Instance>();
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let mut features: wgpu_types::Features = wgpu_types::Features::empty();
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if let Some(passed_features) = args.non_guaranteed_features {
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if passed_features.contains(&"depth-clamping".to_string()) {
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features.set(wgpu_types::Features::DEPTH_CLAMPING, true);
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}
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if passed_features.contains(&"pipeline-statistics-query".to_string()) {
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features.set(wgpu_types::Features::PIPELINE_STATISTICS_QUERY, true);
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}
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if passed_features.contains(&"texture-compression-bc".to_string()) {
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features.set(wgpu_types::Features::TEXTURE_COMPRESSION_BC, true);
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}
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if passed_features.contains(&"timestamp-query".to_string()) {
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features.set(wgpu_types::Features::TIMESTAMP_QUERY, true);
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}
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// extended from spec
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if passed_features.contains(&"mappable-primary-buffers".to_string()) {
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features.set(wgpu_types::Features::MAPPABLE_PRIMARY_BUFFERS, true);
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}
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if passed_features.contains(&"sampled-texture-binding-array".to_string()) {
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features.set(wgpu_types::Features::SAMPLED_TEXTURE_BINDING_ARRAY, true);
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}
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if passed_features
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.contains(&"sampled-texture-array-dynamic-indexing".to_string())
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{
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features.set(
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wgpu_types::Features::SAMPLED_TEXTURE_ARRAY_DYNAMIC_INDEXING,
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true,
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);
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}
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if passed_features
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.contains(&"sampled-texture-array-non-uniform-indexing".to_string())
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{
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features.set(
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wgpu_types::Features::SAMPLED_TEXTURE_ARRAY_NON_UNIFORM_INDEXING,
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true,
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);
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}
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if passed_features.contains(&"unsized-binding-array".to_string()) {
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features.set(wgpu_types::Features::UNSIZED_BINDING_ARRAY, true);
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}
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if passed_features.contains(&"multi-draw-indirect".to_string()) {
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features.set(wgpu_types::Features::MULTI_DRAW_INDIRECT, true);
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}
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if passed_features.contains(&"multi-draw-indirect-count".to_string()) {
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features.set(wgpu_types::Features::MULTI_DRAW_INDIRECT_COUNT, true);
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}
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if passed_features.contains(&"push-constants".to_string()) {
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features.set(wgpu_types::Features::PUSH_CONSTANTS, true);
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}
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if passed_features.contains(&"address-mode-clamp-to-border".to_string()) {
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features.set(wgpu_types::Features::ADDRESS_MODE_CLAMP_TO_BORDER, true);
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}
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if passed_features.contains(&"non-fill-polygon-mode".to_string()) {
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features.set(wgpu_types::Features::NON_FILL_POLYGON_MODE, true);
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}
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if passed_features.contains(&"texture-compression-etc2".to_string()) {
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features.set(wgpu_types::Features::TEXTURE_COMPRESSION_ETC2, true);
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}
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if passed_features.contains(&"texture-compression-astc-ldr".to_string()) {
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features.set(wgpu_types::Features::TEXTURE_COMPRESSION_ASTC_LDR, true);
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}
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if passed_features
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.contains(&"texture-adapter-specific-format-features".to_string())
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{
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features.set(
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wgpu_types::Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES,
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true,
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);
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}
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if passed_features.contains(&"shader-float64".to_string()) {
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features.set(wgpu_types::Features::SHADER_FLOAT64, true);
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}
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if passed_features.contains(&"vertex-attribute-64bit".to_string()) {
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features.set(wgpu_types::Features::VERTEX_ATTRIBUTE_64BIT, true);
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}
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}
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let descriptor = wgpu_types::DeviceDescriptor {
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label: args.label.map(Cow::from),
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features,
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limits: args
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.non_guaranteed_limits
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.map_or(Default::default(), |limits| wgpu_types::Limits {
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max_bind_groups: limits.max_bind_groups.unwrap_or(4),
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max_dynamic_uniform_buffers_per_pipeline_layout: limits
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.max_dynamic_uniform_buffers_per_pipeline_layout
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.unwrap_or(8),
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max_dynamic_storage_buffers_per_pipeline_layout: limits
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.max_dynamic_storage_buffers_per_pipeline_layout
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.unwrap_or(4),
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max_sampled_textures_per_shader_stage: limits
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.max_sampled_textures_per_shader_stage
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.unwrap_or(16),
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max_samplers_per_shader_stage: limits
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.max_samplers_per_shader_stage
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.unwrap_or(16),
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max_storage_buffers_per_shader_stage: limits
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.max_storage_buffers_per_shader_stage
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.unwrap_or(4),
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max_storage_textures_per_shader_stage: limits
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.max_storage_textures_per_shader_stage
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.unwrap_or(4),
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max_uniform_buffers_per_shader_stage: limits
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.max_uniform_buffers_per_shader_stage
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.unwrap_or(12),
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max_uniform_buffer_binding_size: limits
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.max_uniform_buffer_binding_size
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.unwrap_or(16384),
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max_push_constant_size: 0,
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}),
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};
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let (device, maybe_err) = gfx_select!(adapter => instance.adapter_request_device(
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adapter,
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&descriptor,
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std::env::var("DENO_WEBGPU_TRACE").ok().as_ref().map(std::path::Path::new),
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std::marker::PhantomData
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));
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if let Some(err) = maybe_err {
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return Err(DOMExceptionOperationError::new(&err.to_string()).into());
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}
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let device_features =
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gfx_select!(device => instance.device_features(device))?;
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let features = deserialize_features(&device_features);
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let limits = gfx_select!(device => instance.device_limits(device))?;
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let json_limits = json!({
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"maxBindGroups": limits.max_bind_groups,
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"maxDynamicUniformBuffersPerPipelineLayout": limits.max_dynamic_uniform_buffers_per_pipeline_layout,
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"maxDynamicStorageBuffersPerPipelineLayout": limits.max_dynamic_storage_buffers_per_pipeline_layout,
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"maxSampledTexturesPerShaderStage": limits.max_sampled_textures_per_shader_stage,
|
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"maxSamplersPerShaderStage": limits.max_samplers_per_shader_stage,
|
|
"maxStorageBuffersPerShaderStage": limits.max_storage_buffers_per_shader_stage,
|
|
"maxStorageTexturesPerShaderStage": limits.max_storage_textures_per_shader_stage,
|
|
"maxUniformBuffersPerShaderStage": limits.max_uniform_buffers_per_shader_stage,
|
|
"maxUniformBufferBindingSize": limits.max_uniform_buffer_binding_size,
|
|
});
|
|
|
|
let rid = state.resource_table.add(WebGPUDevice(device));
|
|
|
|
Ok(json!({
|
|
"rid": rid,
|
|
"features": features,
|
|
"limits": json_limits,
|
|
}))
|
|
}
|
|
|
|
#[derive(Deserialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
pub struct CreateQuerySetArgs {
|
|
device_rid: ResourceId,
|
|
_label: Option<String>, // not yet implemented
|
|
#[serde(rename = "type")]
|
|
kind: String,
|
|
count: u32,
|
|
pipeline_statistics: Option<Vec<String>>,
|
|
}
|
|
|
|
pub fn op_webgpu_create_query_set(
|
|
state: &mut OpState,
|
|
args: CreateQuerySetArgs,
|
|
_zero_copy: &mut [ZeroCopyBuf],
|
|
) -> Result<Value, AnyError> {
|
|
let device_resource = state
|
|
.resource_table
|
|
.get::<WebGPUDevice>(args.device_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
let device = device_resource.0;
|
|
let instance = &state.borrow::<Instance>();
|
|
|
|
let descriptor = wgpu_types::QuerySetDescriptor {
|
|
ty: match args.kind.as_str() {
|
|
"pipeline-statistics" => {
|
|
let mut pipeline_statistics_names =
|
|
wgpu_types::PipelineStatisticsTypes::empty();
|
|
|
|
if let Some(pipeline_statistics) = args.pipeline_statistics {
|
|
if pipeline_statistics
|
|
.contains(&"vertex-shader-invocations".to_string())
|
|
{
|
|
pipeline_statistics_names.set(
|
|
wgpu_types::PipelineStatisticsTypes::VERTEX_SHADER_INVOCATIONS,
|
|
true,
|
|
);
|
|
}
|
|
if pipeline_statistics.contains(&"clipper-invocations".to_string()) {
|
|
pipeline_statistics_names.set(
|
|
wgpu_types::PipelineStatisticsTypes::CLIPPER_INVOCATIONS,
|
|
true,
|
|
);
|
|
}
|
|
if pipeline_statistics.contains(&"clipper-primitives-out".to_string())
|
|
{
|
|
pipeline_statistics_names.set(
|
|
wgpu_types::PipelineStatisticsTypes::CLIPPER_PRIMITIVES_OUT,
|
|
true,
|
|
);
|
|
}
|
|
if pipeline_statistics
|
|
.contains(&"fragment-shader-invocations".to_string())
|
|
{
|
|
pipeline_statistics_names.set(
|
|
wgpu_types::PipelineStatisticsTypes::FRAGMENT_SHADER_INVOCATIONS,
|
|
true,
|
|
);
|
|
}
|
|
if pipeline_statistics
|
|
.contains(&"compute-shader-invocations".to_string())
|
|
{
|
|
pipeline_statistics_names.set(
|
|
wgpu_types::PipelineStatisticsTypes::COMPUTE_SHADER_INVOCATIONS,
|
|
true,
|
|
);
|
|
}
|
|
};
|
|
|
|
wgpu_types::QueryType::PipelineStatistics(pipeline_statistics_names)
|
|
}
|
|
"occlusion" => return Err(not_supported()),
|
|
"timestamp" => wgpu_types::QueryType::Timestamp,
|
|
_ => unreachable!(),
|
|
},
|
|
count: args.count,
|
|
};
|
|
|
|
let (query_set, maybe_err) = gfx_select!(device => instance.device_create_query_set(
|
|
device,
|
|
&descriptor,
|
|
std::marker::PhantomData
|
|
));
|
|
|
|
let rid = state.resource_table.add(WebGPUQuerySet(query_set));
|
|
|
|
Ok(json!({
|
|
"rid": rid,
|
|
"err": maybe_err.map(WebGPUError::from),
|
|
}))
|
|
}
|