diff options
Diffstat (limited to 'components/script/dom/gpuqueue.rs')
| -rw-r--r-- | components/script/dom/gpuqueue.rs | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/components/script/dom/gpuqueue.rs b/components/script/dom/gpuqueue.rs new file mode 100644 index 00000000000..ca571371c8c --- /dev/null +++ b/components/script/dom/gpuqueue.rs @@ -0,0 +1,190 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +use crate::dom::bindings::cell::DomRefCell; +use crate::dom::bindings::codegen::Bindings::GPUBufferBinding::GPUSize64; +use crate::dom::bindings::codegen::Bindings::GPUCommandEncoderBinding::{ + GPUTextureCopyView, GPUTextureDataLayout, +}; +use crate::dom::bindings::codegen::Bindings::GPUQueueBinding::GPUQueueMethods; +use crate::dom::bindings::codegen::Bindings::GPUTextureBinding::GPUExtent3D; +use crate::dom::bindings::codegen::UnionTypes::ArrayBufferViewOrArrayBuffer as BufferSource; +use crate::dom::bindings::error::{Error, Fallible}; +use crate::dom::bindings::reflector::{reflect_dom_object, Reflector}; +use crate::dom::bindings::root::{Dom, DomRoot}; +use crate::dom::bindings::str::USVString; +use crate::dom::globalscope::GlobalScope; +use crate::dom::gpubuffer::{GPUBuffer, GPUBufferState}; +use crate::dom::gpucommandbuffer::GPUCommandBuffer; +use crate::dom::gpucommandencoder::{convert_texture_cv, convert_texture_data_layout}; +use crate::dom::gpudevice::{convert_texture_size_to_dict, convert_texture_size_to_wgt, GPUDevice}; +use dom_struct::dom_struct; +use ipc_channel::ipc::IpcSharedMemory; +use webgpu::{identity::WebGPUOpResult, wgt, WebGPU, WebGPUQueue, WebGPURequest}; + +#[dom_struct] +pub struct GPUQueue { + reflector_: Reflector, + #[ignore_malloc_size_of = "defined in webgpu"] + channel: WebGPU, + device: DomRefCell<Option<Dom<GPUDevice>>>, + label: DomRefCell<Option<USVString>>, + queue: WebGPUQueue, +} + +impl GPUQueue { + fn new_inherited(channel: WebGPU, queue: WebGPUQueue) -> Self { + GPUQueue { + channel, + reflector_: Reflector::new(), + device: DomRefCell::new(None), + label: DomRefCell::new(None), + queue, + } + } + + pub fn new(global: &GlobalScope, channel: WebGPU, queue: WebGPUQueue) -> DomRoot<Self> { + reflect_dom_object(Box::new(GPUQueue::new_inherited(channel, queue)), global) + } +} + +impl GPUQueue { + pub fn set_device(&self, device: &GPUDevice) { + *self.device.borrow_mut() = Some(Dom::from_ref(device)); + } +} + +impl GPUQueueMethods for GPUQueue { + /// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label + fn GetLabel(&self) -> Option<USVString> { + self.label.borrow().clone() + } + + /// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label + fn SetLabel(&self, value: Option<USVString>) { + *self.label.borrow_mut() = value; + } + + /// https://gpuweb.github.io/gpuweb/#dom-gpuqueue-submit + fn Submit(&self, command_buffers: Vec<DomRoot<GPUCommandBuffer>>) { + let valid = command_buffers.iter().all(|cb| { + cb.buffers().iter().all(|b| match b.state() { + GPUBufferState::Unmapped => true, + _ => false, + }) + }); + let scope_id = self.device.borrow().as_ref().unwrap().use_current_scope(); + if !valid { + self.device.borrow().as_ref().unwrap().handle_server_msg( + scope_id, + WebGPUOpResult::ValidationError(String::from( + "Referenced GPUBuffer(s) are not Unmapped", + )), + ); + return; + } + let command_buffers = command_buffers.iter().map(|cb| cb.id().0).collect(); + self.channel + .0 + .send(( + scope_id, + WebGPURequest::Submit { + queue_id: self.queue.0, + command_buffers, + }, + )) + .unwrap(); + } + + /// https://gpuweb.github.io/gpuweb/#dom-gpuqueue-writebuffer + #[allow(unsafe_code)] + fn WriteBuffer( + &self, + buffer: &GPUBuffer, + buffer_offset: GPUSize64, + data: BufferSource, + data_offset: GPUSize64, + size: Option<GPUSize64>, + ) -> Fallible<()> { + let bytes = match data { + BufferSource::ArrayBufferView(d) => d.to_vec(), + BufferSource::ArrayBuffer(d) => d.to_vec(), + }; + let content_size = if let Some(s) = size { + s + } else { + bytes.len() as GPUSize64 - data_offset + }; + let valid = data_offset + content_size <= bytes.len() as u64 && + buffer.state() == GPUBufferState::Unmapped && + content_size % wgt::COPY_BUFFER_ALIGNMENT == 0 && + buffer_offset % wgt::COPY_BUFFER_ALIGNMENT == 0; + + if !valid { + return Err(Error::Operation); + } + + let final_data = IpcSharedMemory::from_bytes( + &bytes[data_offset as usize..(data_offset + content_size) as usize], + ); + if let Err(e) = self.channel.0.send(( + self.device.borrow().as_ref().unwrap().use_current_scope(), + WebGPURequest::WriteBuffer { + queue_id: self.queue.0, + buffer_id: buffer.id().0, + buffer_offset, + data: final_data, + }, + )) { + warn!("Failed to send WriteBuffer({:?}) ({})", buffer.id(), e); + return Err(Error::Operation); + } + + Ok(()) + } + + /// https://gpuweb.github.io/gpuweb/#dom-gpuqueue-writetexture + fn WriteTexture( + &self, + destination: &GPUTextureCopyView, + data: BufferSource, + data_layout: &GPUTextureDataLayout, + size: GPUExtent3D, + ) -> Fallible<()> { + let (bytes, len) = match data { + BufferSource::ArrayBufferView(d) => (d.to_vec(), d.len() as u64), + BufferSource::ArrayBuffer(d) => (d.to_vec(), d.len() as u64), + }; + let valid = data_layout.offset <= len; + + if !valid { + return Err(Error::Operation); + } + + let texture_cv = convert_texture_cv(destination); + let texture_layout = convert_texture_data_layout(data_layout); + let write_size = convert_texture_size_to_wgt(&convert_texture_size_to_dict(&size)); + let final_data = IpcSharedMemory::from_bytes(&bytes); + + if let Err(e) = self.channel.0.send(( + self.device.borrow().as_ref().unwrap().use_current_scope(), + WebGPURequest::WriteTexture { + queue_id: self.queue.0, + texture_cv, + data_layout: texture_layout, + size: write_size, + data: final_data, + }, + )) { + warn!( + "Failed to send WriteTexture({:?}) ({})", + destination.texture.id().0, + e + ); + return Err(Error::Operation); + } + + Ok(()) + } +} |