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https://github.com/denoland/deno.git
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137 lines
3.8 KiB
Rust
137 lines
3.8 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use super::WebGpuResult;
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use deno_core::error::AnyError;
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use deno_core::include_js_files;
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use deno_core::op;
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use deno_core::Extension;
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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 std::borrow::Cow;
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use wgpu_types::SurfaceStatus;
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pub fn init_surface(unstable: bool) -> Extension {
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Extension::builder_with_deps(
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"deno_webgpu_surface",
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&["deno_webidl", "deno_web", "deno_webgpu"],
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)
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.esm(include_js_files!(
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"03_surface.js",
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"04_surface_idl_types.js",
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))
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.ops(vec![
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op_webgpu_surface_configure::decl(),
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op_webgpu_surface_get_current_texture::decl(),
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op_webgpu_surface_present::decl(),
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])
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.state(move |state| {
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// TODO: check & possibly streamline this
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// Unstable might be able to be OpMiddleware
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// let unstable_checker = state.borrow::<super::UnstableChecker>();
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// let unstable = unstable_checker.unstable;
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state.put(super::Unstable(unstable));
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})
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.build()
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}
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pub struct WebGpuSurface(pub wgpu_core::id::SurfaceId);
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impl Resource for WebGpuSurface {
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fn name(&self) -> Cow<str> {
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"webGPUSurface".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 struct SurfaceConfigureArgs {
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surface_rid: ResourceId,
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device_rid: ResourceId,
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format: wgpu_types::TextureFormat,
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usage: u32,
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width: u32,
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height: u32,
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present_mode: Option<wgpu_types::PresentMode>,
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alpha_mode: wgpu_types::CompositeAlphaMode,
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view_formats: Vec<wgpu_types::TextureFormat>,
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}
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#[op]
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pub fn op_webgpu_surface_configure(
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state: &mut OpState,
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args: SurfaceConfigureArgs,
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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 surface_resource = state
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.resource_table
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.get::<WebGpuSurface>(args.surface_rid)?;
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let surface = surface_resource.0;
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let conf = wgpu_types::SurfaceConfiguration::<Vec<wgpu_types::TextureFormat>> {
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usage: wgpu_types::TextureUsages::from_bits_truncate(args.usage),
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format: args.format,
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width: args.width,
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height: args.height,
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present_mode: args.present_mode.unwrap_or_default(),
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alpha_mode: args.alpha_mode,
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view_formats: args.view_formats,
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};
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let err =
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gfx_select!(device => instance.surface_configure(surface, device, &conf));
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Ok(WebGpuResult::maybe_err(err))
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}
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#[op]
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pub fn op_webgpu_surface_get_current_texture(
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state: &mut OpState,
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device_rid: ResourceId,
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surface_rid: ResourceId,
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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 surface_resource =
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state.resource_table.get::<WebGpuSurface>(surface_rid)?;
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let surface = surface_resource.0;
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let output =
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gfx_select!(device => instance.surface_get_current_texture(surface, ()))?;
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match output.status {
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SurfaceStatus::Good | SurfaceStatus::Suboptimal => {
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let id = output.texture_id.unwrap();
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let rid = state.resource_table.add(crate::texture::WebGpuTexture(id));
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Ok(WebGpuResult::rid(rid))
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}
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_ => Err(AnyError::msg("Invalid Surface Status")),
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}
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}
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#[op]
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pub fn op_webgpu_surface_present(
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state: &mut OpState,
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device_rid: ResourceId,
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surface_rid: ResourceId,
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) -> Result<(), 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 surface_resource =
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state.resource_table.get::<WebGpuSurface>(surface_rid)?;
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let surface = surface_resource.0;
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let _ = gfx_select!(device => instance.surface_present(surface))?;
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Ok(())
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}
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