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https://github.com/servo/servo.git
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f4d0183568
Remove some garbage code in adapter id checks Prevent panic during shutdown if using WebGPU
115 lines
3.7 KiB
Rust
115 lines
3.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use ipc_channel::ipc::IpcSender;
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use serde::{Deserialize, Serialize};
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use wgpu::{
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hub::{GlobalIdentityHandlerFactory, IdentityHandler, IdentityHandlerFactory},
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id::{
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AdapterId, BindGroupId, BindGroupLayoutId, BufferId, CommandBufferId, ComputePipelineId,
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DeviceId, PipelineLayoutId, RenderPipelineId, SamplerId, ShaderModuleId, SurfaceId,
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SwapChainId, TextureId, TextureViewId, TypedId,
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},
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};
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use wgt::Backend;
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#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
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pub enum WebGPUMsg {
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FreeAdapter(AdapterId),
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FreeDevice(DeviceId),
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FreeBuffer(BufferId),
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FreeSwapChain(SwapChainId),
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FreePipelineLayout(PipelineLayoutId),
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FreeComputePipeline(ComputePipelineId),
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FreeRenderPipeline(RenderPipelineId),
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FreeBindGroup(BindGroupId),
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FreeBindGroupLayout(BindGroupLayoutId),
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FreeCommandBuffer(CommandBufferId),
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FreeTexture(TextureId),
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FreeTextureView(TextureViewId),
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FreeSampler(SamplerId),
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FreeSurface(SurfaceId),
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FreeShaderModule(ShaderModuleId),
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Exit,
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}
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#[derive(Debug)]
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pub struct IdentityRecycler {
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sender: IpcSender<WebGPUMsg>,
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}
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pub struct IdentityRecyclerFactory {
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pub sender: IpcSender<WebGPUMsg>,
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}
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macro_rules! impl_identity_handler {
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($id:ty, $st:tt, $($var:tt)*) => {
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impl IdentityHandler<$id> for IdentityRecycler {
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type Input = $id;
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fn process(&self, id: $id, _backend: Backend) -> $id {
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log::debug!("process {} {:?}", $st, id);
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//debug_assert_eq!(id.unzip().2, backend);
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id
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}
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fn free(&self, id: $id) {
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log::debug!("free {} {:?}", $st, id);
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let msg = $($var)*(id);
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if self.sender.send(msg).is_err() {
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log::error!("Failed to send {:?}", msg);
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}
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}
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}
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};
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}
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impl_identity_handler!(AdapterId, "adapter", WebGPUMsg::FreeAdapter);
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impl_identity_handler!(DeviceId, "device", WebGPUMsg::FreeDevice);
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impl_identity_handler!(SurfaceId, "surface", WebGPUMsg::FreeSurface);
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impl_identity_handler!(SamplerId, "sampler", WebGPUMsg::FreeSampler);
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impl_identity_handler!(TextureId, "texture", WebGPUMsg::FreeTexture);
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impl_identity_handler!(TextureViewId, "texture_view", WebGPUMsg::FreeTextureView);
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impl_identity_handler!(BufferId, "buffer", WebGPUMsg::FreeBuffer);
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impl_identity_handler!(BindGroupId, "bind_group", WebGPUMsg::FreeBindGroup);
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impl_identity_handler!(SwapChainId, "swap_chain", WebGPUMsg::FreeSwapChain);
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impl_identity_handler!(ShaderModuleId, "shader_module", WebGPUMsg::FreeShaderModule);
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impl_identity_handler!(
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RenderPipelineId,
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"render_pipeline",
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WebGPUMsg::FreeRenderPipeline
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);
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impl_identity_handler!(
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ComputePipelineId,
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"compute_pipeline",
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WebGPUMsg::FreeComputePipeline
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);
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impl_identity_handler!(
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CommandBufferId,
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"command_buffer",
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WebGPUMsg::FreeCommandBuffer
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);
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impl_identity_handler!(
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BindGroupLayoutId,
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"bind_group_layout",
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WebGPUMsg::FreeBindGroupLayout
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);
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impl_identity_handler!(
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PipelineLayoutId,
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"pipeline_layout",
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WebGPUMsg::FreePipelineLayout
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);
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impl<I: TypedId + Clone + std::fmt::Debug> IdentityHandlerFactory<I> for IdentityRecyclerFactory
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where
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I: TypedId + Clone + std::fmt::Debug,
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IdentityRecycler: IdentityHandler<I>,
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{
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type Filter = IdentityRecycler;
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fn spawn(&self, _min_index: u32) -> Self::Filter {
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IdentityRecycler {
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sender: self.sender.clone(),
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}
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}
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}
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impl GlobalIdentityHandlerFactory for IdentityRecyclerFactory {}
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