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https://github.com/denoland/deno.git
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133 lines
3.6 KiB
Rust
133 lines
3.6 KiB
Rust
// Copyright 2018-2024 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::op2;
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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 std::rc::Rc;
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use wgpu_types::SurfaceStatus;
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deno_core::extension!(
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deno_webgpu_surface,
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deps = [deno_webidl, deno_web, deno_webgpu],
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ops = [
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op_webgpu_surface_configure,
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op_webgpu_surface_get_current_texture,
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op_webgpu_surface_present,
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],
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esm = ["02_surface.js"],
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);
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pub struct WebGpuSurface(pub crate::Instance, 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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fn close(self: Rc<Self>) {
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self.0.surface_drop(self.1);
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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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#[op2]
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#[serde]
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pub fn op_webgpu_surface_configure(
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state: &mut OpState,
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#[serde] 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.1;
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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.1;
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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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#[op2]
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#[serde]
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pub fn op_webgpu_surface_get_current_texture(
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state: &mut OpState,
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#[smi] device_rid: ResourceId,
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#[smi] 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.1;
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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.1;
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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 {
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instance: instance.clone(),
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id,
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owned: false,
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});
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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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#[op2(fast)]
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pub fn op_webgpu_surface_present(
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state: &mut OpState,
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#[smi] device_rid: ResourceId,
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#[smi] 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.1;
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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.1;
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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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