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denoland-deno/ext/webgpu/src/lib.rs
2022-03-15 23:43:17 +01:00

663 lines
22 KiB
Rust

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::include_js_files;
use deno_core::op;
use deno_core::Extension;
use deno_core::OpDecl;
use deno_core::OpState;
use deno_core::Resource;
use deno_core::ResourceId;
use serde::Deserialize;
use serde::Serialize;
use std::borrow::Cow;
use std::cell::RefCell;
use std::collections::HashSet;
use std::rc::Rc;
pub use wgpu_core;
pub use wgpu_types;
use wgpu_types::PowerPreference;
use error::DomExceptionOperationError;
use error::WebGpuResult;
#[macro_use]
mod macros {
macro_rules! gfx_select {
($id:expr => $global:ident.$method:ident( $($param:expr),* )) => {
match $id.backend() {
#[cfg(not(target_os = "macos"))]
wgpu_types::Backend::Vulkan => $global.$method::<wgpu_core::api::Vulkan>( $($param),* ),
#[cfg(target_os = "macos")]
wgpu_types::Backend::Metal => $global.$method::<wgpu_core::api::Metal>( $($param),* ),
#[cfg(windows)]
wgpu_types::Backend::Dx12 => $global.$method::<wgpu_core::api::Dx12>( $($param),* ),
#[cfg(all(unix, not(target_os = "macos")))]
wgpu_types::Backend::Gl => $global.$method::<wgpu_core::api::Gles>( $($param),+ ),
other => panic!("Unexpected backend {:?}", other),
}
};
}
macro_rules! gfx_put {
($id:expr => $global:ident.$method:ident( $($param:expr),* ) => $state:expr, $rc:expr) => {{
let (val, maybe_err) = gfx_select!($id => $global.$method($($param),*));
let rid = $state.resource_table.add($rc(val));
Ok(WebGpuResult::rid_err(rid, maybe_err))
}};
}
macro_rules! gfx_ok {
($id:expr => $global:ident.$method:ident( $($param:expr),* )) => {{
let maybe_err = gfx_select!($id => $global.$method($($param),*)).err();
Ok(WebGpuResult::maybe_err(maybe_err))
}};
}
}
pub mod binding;
pub mod buffer;
pub mod bundle;
pub mod command_encoder;
pub mod compute_pass;
pub mod error;
pub mod pipeline;
pub mod queue;
pub mod render_pass;
pub mod sampler;
pub mod shader;
pub mod texture;
pub struct Unstable(pub bool);
fn check_unstable(state: &OpState, api_name: &str) {
let unstable = state.borrow::<Unstable>();
if !unstable.0 {
eprintln!(
"Unstable API '{}'. The --unstable flag must be provided.",
api_name
);
std::process::exit(70);
}
}
type Instance = wgpu_core::hub::Global<wgpu_core::hub::IdentityManagerFactory>;
struct WebGpuAdapter(wgpu_core::id::AdapterId);
impl Resource for WebGpuAdapter {
fn name(&self) -> Cow<str> {
"webGPUAdapter".into()
}
}
struct WebGpuDevice(wgpu_core::id::DeviceId);
impl Resource for WebGpuDevice {
fn name(&self) -> Cow<str> {
"webGPUDevice".into()
}
}
struct WebGpuQuerySet(wgpu_core::id::QuerySetId);
impl Resource for WebGpuQuerySet {
fn name(&self) -> Cow<str> {
"webGPUQuerySet".into()
}
}
pub fn init(unstable: bool) -> Extension {
Extension::builder()
.js(include_js_files!(
prefix "deno:ext/webgpu",
"01_webgpu.js",
"02_idl_types.js",
))
.ops(declare_webgpu_ops())
.state(move |state| {
// TODO: check & possibly streamline this
// Unstable might be able to be OpMiddleware
// let unstable_checker = state.borrow::<super::UnstableChecker>();
// let unstable = unstable_checker.unstable;
state.put(Unstable(unstable));
Ok(())
})
.build()
}
fn deserialize_features(features: &wgpu_types::Features) -> Vec<&'static str> {
let mut return_features: Vec<&'static str> = vec![];
if features.contains(wgpu_types::Features::DEPTH_CLIP_CONTROL) {
return_features.push("depth-clip-control");
}
if features.contains(wgpu_types::Features::PIPELINE_STATISTICS_QUERY) {
return_features.push("pipeline-statistics-query");
}
if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_BC) {
return_features.push("texture-compression-bc");
}
if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_ETC2) {
return_features.push("texture-compression-etc2");
}
if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_ASTC_LDR) {
return_features.push("texture-compression-astc");
}
if features.contains(wgpu_types::Features::TIMESTAMP_QUERY) {
return_features.push("timestamp-query");
}
if features.contains(wgpu_types::Features::INDIRECT_FIRST_INSTANCE) {
return_features.push("indirect-first-instance");
}
// extended from spec
if features.contains(wgpu_types::Features::MAPPABLE_PRIMARY_BUFFERS) {
return_features.push("mappable-primary-buffers");
}
if features.contains(wgpu_types::Features::TEXTURE_BINDING_ARRAY) {
return_features.push("texture-binding-array");
}
if features.contains(wgpu_types::Features::BUFFER_BINDING_ARRAY) {
return_features.push("buffer-binding-array");
}
if features.contains(wgpu_types::Features::STORAGE_RESOURCE_BINDING_ARRAY) {
return_features.push("storage-resource-binding-array");
}
if features.contains(
wgpu_types::Features::SAMPLED_TEXTURE_AND_STORAGE_BUFFER_ARRAY_NON_UNIFORM_INDEXING,
) {
return_features.push("sampled-texture-and-storage-buffer-array-non-uniform-indexing");
}
if features.contains(
wgpu_types::Features::UNIFORM_BUFFER_AND_STORAGE_TEXTURE_ARRAY_NON_UNIFORM_INDEXING,
) {
return_features.push("uniform-buffer-and-storage-buffer-texture-non-uniform-indexing");
}
if features.contains(wgpu_types::Features::UNSIZED_BINDING_ARRAY) {
return_features.push("unsized-binding-array");
}
if features.contains(wgpu_types::Features::MULTI_DRAW_INDIRECT) {
return_features.push("multi-draw-indirect");
}
if features.contains(wgpu_types::Features::MULTI_DRAW_INDIRECT_COUNT) {
return_features.push("multi-draw-indirect-count");
}
if features.contains(wgpu_types::Features::PUSH_CONSTANTS) {
return_features.push("push-constants");
}
if features.contains(wgpu_types::Features::ADDRESS_MODE_CLAMP_TO_BORDER) {
return_features.push("address-mode-clamp-to-border");
}
if features
.contains(wgpu_types::Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES)
{
return_features.push("texture-adapter-specific-format-features");
}
if features.contains(wgpu_types::Features::SHADER_FLOAT64) {
return_features.push("shader-float64");
}
if features.contains(wgpu_types::Features::VERTEX_ATTRIBUTE_64BIT) {
return_features.push("vertex-attribute-64bit");
}
if features.contains(wgpu_types::Features::CONSERVATIVE_RASTERIZATION) {
return_features.push("conservative-rasterization");
}
if features.contains(wgpu_types::Features::VERTEX_WRITABLE_STORAGE) {
return_features.push("vertex-writable-storage");
}
if features.contains(wgpu_types::Features::CLEAR_COMMANDS) {
return_features.push("clear-texture");
}
if features.contains(wgpu_types::Features::SPIRV_SHADER_PASSTHROUGH) {
return_features.push("spirv-shader-passthrough");
}
if features.contains(wgpu_types::Features::SHADER_PRIMITIVE_INDEX) {
return_features.push("shader-primitive-index");
}
return_features
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct RequestAdapterArgs {
power_preference: Option<wgpu_types::PowerPreference>,
force_fallback_adapter: bool,
}
#[derive(Serialize)]
#[serde(untagged)]
pub enum GpuAdapterDeviceOrErr {
Error { err: String },
Features(GpuAdapterDevice),
}
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct GpuAdapterDevice {
rid: ResourceId,
name: Option<String>,
limits: wgpu_types::Limits,
features: Vec<&'static str>,
is_software: bool,
}
#[op]
pub async fn op_webgpu_request_adapter(
state: Rc<RefCell<OpState>>,
args: RequestAdapterArgs,
) -> Result<GpuAdapterDeviceOrErr, AnyError> {
let mut state = state.borrow_mut();
check_unstable(&state, "navigator.gpu.requestAdapter");
let backends = std::env::var("DENO_WEBGPU_BACKEND")
.ok()
.map_or_else(wgpu_types::Backends::all, |s| {
wgpu_core::instance::parse_backends_from_comma_list(&s)
});
let instance = if let Some(instance) = state.try_borrow::<Instance>() {
instance
} else {
state.put(wgpu_core::hub::Global::new(
"webgpu",
wgpu_core::hub::IdentityManagerFactory,
backends,
));
state.borrow::<Instance>()
};
let descriptor = wgpu_core::instance::RequestAdapterOptions {
power_preference: match args.power_preference {
Some(power_preference) => power_preference,
None => PowerPreference::default(),
},
force_fallback_adapter: args.force_fallback_adapter,
compatible_surface: None, // windowless
};
let res = instance.request_adapter(
&descriptor,
wgpu_core::instance::AdapterInputs::Mask(backends, |_| {
std::marker::PhantomData
}),
);
let adapter = match res {
Ok(adapter) => adapter,
Err(err) => {
return Ok(GpuAdapterDeviceOrErr::Error {
err: err.to_string(),
})
}
};
let name = gfx_select!(adapter => instance.adapter_get_info(adapter))?.name;
let adapter_features =
gfx_select!(adapter => instance.adapter_features(adapter))?;
let features = deserialize_features(&adapter_features);
let adapter_limits =
gfx_select!(adapter => instance.adapter_limits(adapter))?;
let rid = state.resource_table.add(WebGpuAdapter(adapter));
Ok(GpuAdapterDeviceOrErr::Features(GpuAdapterDevice {
rid,
name: Some(name),
features,
limits: adapter_limits,
is_software: false,
}))
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct RequestDeviceArgs {
adapter_rid: ResourceId,
label: Option<String>,
required_features: Option<GpuRequiredFeatures>,
required_limits: Option<wgpu_types::Limits>,
}
#[derive(Deserialize)]
pub struct GpuRequiredFeatures(HashSet<String>);
impl From<GpuRequiredFeatures> for wgpu_types::Features {
fn from(required_features: GpuRequiredFeatures) -> wgpu_types::Features {
let mut features: wgpu_types::Features = wgpu_types::Features::empty();
features.set(
wgpu_types::Features::DEPTH_CLIP_CONTROL,
required_features.0.contains("depth-clip-control"),
);
features.set(
wgpu_types::Features::PIPELINE_STATISTICS_QUERY,
required_features.0.contains("pipeline-statistics-query"),
);
features.set(
wgpu_types::Features::TEXTURE_COMPRESSION_BC,
required_features.0.contains("texture-compression-bc"),
);
features.set(
wgpu_types::Features::TEXTURE_COMPRESSION_ETC2,
required_features.0.contains("texture-compression-etc2"),
);
features.set(
wgpu_types::Features::TEXTURE_COMPRESSION_ASTC_LDR,
required_features.0.contains("texture-compression-astc"),
);
features.set(
wgpu_types::Features::TIMESTAMP_QUERY,
required_features.0.contains("timestamp-query"),
);
features.set(
wgpu_types::Features::INDIRECT_FIRST_INSTANCE,
required_features.0.contains("indirect-first-instance"),
);
// extended from spec
features.set(
wgpu_types::Features::MAPPABLE_PRIMARY_BUFFERS,
required_features.0.contains("mappable-primary-buffers"),
);
features.set(
wgpu_types::Features::TEXTURE_BINDING_ARRAY,
required_features.0.contains("texture-binding-array"),
);
features.set(
wgpu_types::Features::BUFFER_BINDING_ARRAY,
required_features.0.contains("buffer-binding-array"),
);
features.set(
wgpu_types::Features::STORAGE_RESOURCE_BINDING_ARRAY,
required_features
.0
.contains("storage-resource-binding-array"),
);
features.set(
wgpu_types::Features::SAMPLED_TEXTURE_AND_STORAGE_BUFFER_ARRAY_NON_UNIFORM_INDEXING,
required_features
.0
.contains("sampled-texture-and-storage-buffer-array-non-uniform-indexing"),
);
features.set(
wgpu_types::Features::UNIFORM_BUFFER_AND_STORAGE_TEXTURE_ARRAY_NON_UNIFORM_INDEXING,
required_features
.0
.contains("uniform-buffer-and-storage-buffer-texture-non-uniform-indexing"),
);
features.set(
wgpu_types::Features::UNSIZED_BINDING_ARRAY,
required_features.0.contains("unsized-binding-array"),
);
features.set(
wgpu_types::Features::MULTI_DRAW_INDIRECT,
required_features.0.contains("multi-draw-indirect"),
);
features.set(
wgpu_types::Features::MULTI_DRAW_INDIRECT_COUNT,
required_features.0.contains("multi-draw-indirect-count"),
);
features.set(
wgpu_types::Features::PUSH_CONSTANTS,
required_features.0.contains("push-constants"),
);
features.set(
wgpu_types::Features::ADDRESS_MODE_CLAMP_TO_BORDER,
required_features.0.contains("address-mode-clamp-to-border"),
);
features.set(
wgpu_types::Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES,
required_features
.0
.contains("texture-adapter-specific-format-features"),
);
features.set(
wgpu_types::Features::SHADER_FLOAT64,
required_features.0.contains("shader-float64"),
);
features.set(
wgpu_types::Features::VERTEX_ATTRIBUTE_64BIT,
required_features.0.contains("vertex-attribute-64bit"),
);
features.set(
wgpu_types::Features::CONSERVATIVE_RASTERIZATION,
required_features.0.contains("conservative-rasterization"),
);
features.set(
wgpu_types::Features::VERTEX_WRITABLE_STORAGE,
required_features.0.contains("vertex-writable-storage"),
);
features.set(
wgpu_types::Features::CLEAR_COMMANDS,
required_features.0.contains("clear-commands"),
);
features.set(
wgpu_types::Features::SPIRV_SHADER_PASSTHROUGH,
required_features.0.contains("spirv-shader-passthrough"),
);
features.set(
wgpu_types::Features::SHADER_PRIMITIVE_INDEX,
required_features.0.contains("shader-primitive-index"),
);
features
}
}
#[op]
pub async fn op_webgpu_request_device(
state: Rc<RefCell<OpState>>,
args: RequestDeviceArgs,
) -> Result<GpuAdapterDevice, AnyError> {
let mut state = state.borrow_mut();
let adapter_resource = state
.resource_table
.get::<WebGpuAdapter>(args.adapter_rid)?;
let adapter = adapter_resource.0;
let instance = state.borrow::<Instance>();
let descriptor = wgpu_types::DeviceDescriptor {
label: args.label.map(Cow::from),
features: args.required_features.map(Into::into).unwrap_or_default(),
limits: args.required_limits.map(Into::into).unwrap_or_default(),
};
let (device, maybe_err) = gfx_select!(adapter => instance.adapter_request_device(
adapter,
&descriptor,
std::env::var("DENO_WEBGPU_TRACE").ok().as_ref().map(std::path::Path::new),
std::marker::PhantomData
));
if let Some(err) = maybe_err {
return Err(DomExceptionOperationError::new(&err.to_string()).into());
}
let device_features =
gfx_select!(device => instance.device_features(device))?;
let features = deserialize_features(&device_features);
let limits = gfx_select!(device => instance.device_limits(device))?;
let rid = state.resource_table.add(WebGpuDevice(device));
Ok(GpuAdapterDevice {
rid,
name: None,
features,
limits,
// TODO(lucacasonato): report correctly from wgpu
is_software: false,
})
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CreateQuerySetArgs {
device_rid: ResourceId,
label: Option<String>,
#[serde(flatten)]
r#type: GpuQueryType,
count: u32,
}
#[derive(Deserialize)]
#[serde(rename_all = "kebab-case", tag = "type")]
enum GpuQueryType {
Occlusion,
#[serde(rename_all = "camelCase")]
PipelineStatistics {
pipeline_statistics: HashSet<String>,
},
Timestamp,
}
impl From<GpuQueryType> for wgpu_types::QueryType {
fn from(query_type: GpuQueryType) -> Self {
match query_type {
GpuQueryType::Occlusion => wgpu_types::QueryType::Occlusion,
GpuQueryType::PipelineStatistics {
pipeline_statistics,
} => {
use wgpu_types::PipelineStatisticsTypes;
let mut types = PipelineStatisticsTypes::empty();
if pipeline_statistics.contains("vertex-shader-invocations") {
types.set(PipelineStatisticsTypes::VERTEX_SHADER_INVOCATIONS, true);
}
if pipeline_statistics.contains("clipper-invocations") {
types.set(PipelineStatisticsTypes::CLIPPER_INVOCATIONS, true);
}
if pipeline_statistics.contains("clipper-primitives-out") {
types.set(PipelineStatisticsTypes::CLIPPER_PRIMITIVES_OUT, true);
}
if pipeline_statistics.contains("fragment-shader-invocations") {
types.set(PipelineStatisticsTypes::FRAGMENT_SHADER_INVOCATIONS, true);
}
if pipeline_statistics.contains("compute-shader-invocations") {
types.set(PipelineStatisticsTypes::COMPUTE_SHADER_INVOCATIONS, true);
}
wgpu_types::QueryType::PipelineStatistics(types)
}
GpuQueryType::Timestamp => wgpu_types::QueryType::Timestamp,
}
}
}
#[op]
pub fn op_webgpu_create_query_set(
state: &mut OpState,
args: CreateQuerySetArgs,
) -> Result<WebGpuResult, AnyError> {
let device_resource =
state.resource_table.get::<WebGpuDevice>(args.device_rid)?;
let device = device_resource.0;
let instance = &state.borrow::<Instance>();
let descriptor = wgpu_types::QuerySetDescriptor {
label: args.label.map(Cow::from),
ty: args.r#type.into(),
count: args.count,
};
gfx_put!(device => instance.device_create_query_set(
device,
&descriptor,
std::marker::PhantomData
) => state, WebGpuQuerySet)
}
fn declare_webgpu_ops() -> Vec<OpDecl> {
vec![
// Request device/adapter
op_webgpu_request_adapter::decl(),
op_webgpu_request_device::decl(),
// Query Set
op_webgpu_create_query_set::decl(),
// buffer
buffer::op_webgpu_create_buffer::decl(),
buffer::op_webgpu_buffer_get_mapped_range::decl(),
buffer::op_webgpu_buffer_unmap::decl(),
// buffer async
buffer::op_webgpu_buffer_get_map_async::decl(),
// remaining sync ops
// texture
texture::op_webgpu_create_texture::decl(),
texture::op_webgpu_create_texture_view::decl(),
// sampler
sampler::op_webgpu_create_sampler::decl(),
// binding
binding::op_webgpu_create_bind_group_layout::decl(),
binding::op_webgpu_create_pipeline_layout::decl(),
binding::op_webgpu_create_bind_group::decl(),
// pipeline
pipeline::op_webgpu_create_compute_pipeline::decl(),
pipeline::op_webgpu_compute_pipeline_get_bind_group_layout::decl(),
pipeline::op_webgpu_create_render_pipeline::decl(),
pipeline::op_webgpu_render_pipeline_get_bind_group_layout::decl(),
// command_encoder
command_encoder::op_webgpu_create_command_encoder::decl(),
command_encoder::op_webgpu_command_encoder_begin_render_pass::decl(),
command_encoder::op_webgpu_command_encoder_begin_compute_pass::decl(),
command_encoder::op_webgpu_command_encoder_copy_buffer_to_buffer::decl(),
command_encoder::op_webgpu_command_encoder_copy_buffer_to_texture::decl(),
command_encoder::op_webgpu_command_encoder_copy_texture_to_buffer::decl(),
command_encoder::op_webgpu_command_encoder_copy_texture_to_texture::decl(),
command_encoder::op_webgpu_command_encoder_clear_buffer::decl(),
command_encoder::op_webgpu_command_encoder_push_debug_group::decl(),
command_encoder::op_webgpu_command_encoder_pop_debug_group::decl(),
command_encoder::op_webgpu_command_encoder_insert_debug_marker::decl(),
command_encoder::op_webgpu_command_encoder_write_timestamp::decl(),
command_encoder::op_webgpu_command_encoder_resolve_query_set::decl(),
command_encoder::op_webgpu_command_encoder_finish::decl(),
// render_pass
render_pass::op_webgpu_render_pass_set_viewport::decl(),
render_pass::op_webgpu_render_pass_set_scissor_rect::decl(),
render_pass::op_webgpu_render_pass_set_blend_constant::decl(),
render_pass::op_webgpu_render_pass_set_stencil_reference::decl(),
render_pass::op_webgpu_render_pass_begin_pipeline_statistics_query::decl(),
render_pass::op_webgpu_render_pass_end_pipeline_statistics_query::decl(),
render_pass::op_webgpu_render_pass_write_timestamp::decl(),
render_pass::op_webgpu_render_pass_execute_bundles::decl(),
render_pass::op_webgpu_render_pass_end_pass::decl(),
render_pass::op_webgpu_render_pass_set_bind_group::decl(),
render_pass::op_webgpu_render_pass_push_debug_group::decl(),
render_pass::op_webgpu_render_pass_pop_debug_group::decl(),
render_pass::op_webgpu_render_pass_insert_debug_marker::decl(),
render_pass::op_webgpu_render_pass_set_pipeline::decl(),
render_pass::op_webgpu_render_pass_set_index_buffer::decl(),
render_pass::op_webgpu_render_pass_set_vertex_buffer::decl(),
render_pass::op_webgpu_render_pass_draw::decl(),
render_pass::op_webgpu_render_pass_draw_indexed::decl(),
render_pass::op_webgpu_render_pass_draw_indirect::decl(),
render_pass::op_webgpu_render_pass_draw_indexed_indirect::decl(),
// compute_pass
compute_pass::op_webgpu_compute_pass_set_pipeline::decl(),
compute_pass::op_webgpu_compute_pass_dispatch::decl(),
compute_pass::op_webgpu_compute_pass_dispatch_indirect::decl(),
compute_pass::op_webgpu_compute_pass_begin_pipeline_statistics_query::decl(
),
compute_pass::op_webgpu_compute_pass_end_pipeline_statistics_query::decl(),
compute_pass::op_webgpu_compute_pass_write_timestamp::decl(),
compute_pass::op_webgpu_compute_pass_end_pass::decl(),
compute_pass::op_webgpu_compute_pass_set_bind_group::decl(),
compute_pass::op_webgpu_compute_pass_push_debug_group::decl(),
compute_pass::op_webgpu_compute_pass_pop_debug_group::decl(),
compute_pass::op_webgpu_compute_pass_insert_debug_marker::decl(),
// bundle
bundle::op_webgpu_create_render_bundle_encoder::decl(),
bundle::op_webgpu_render_bundle_encoder_finish::decl(),
bundle::op_webgpu_render_bundle_encoder_set_bind_group::decl(),
bundle::op_webgpu_render_bundle_encoder_push_debug_group::decl(),
bundle::op_webgpu_render_bundle_encoder_pop_debug_group::decl(),
bundle::op_webgpu_render_bundle_encoder_insert_debug_marker::decl(),
bundle::op_webgpu_render_bundle_encoder_set_pipeline::decl(),
bundle::op_webgpu_render_bundle_encoder_set_index_buffer::decl(),
bundle::op_webgpu_render_bundle_encoder_set_vertex_buffer::decl(),
bundle::op_webgpu_render_bundle_encoder_draw::decl(),
bundle::op_webgpu_render_bundle_encoder_draw_indexed::decl(),
bundle::op_webgpu_render_bundle_encoder_draw_indirect::decl(),
// queue
queue::op_webgpu_queue_submit::decl(),
queue::op_webgpu_write_buffer::decl(),
queue::op_webgpu_write_texture::decl(),
// shader
shader::op_webgpu_create_shader_module::decl(),
]
}