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WebGPU update presentation data asynchronously

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This commit is contained in:
Kunal Mohan 2020-07-02 12:23:32 +05:30
parent c0a582471e
commit b672b78e19
3 changed files with 153 additions and 72 deletions
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20
components/script/dom/gpucanvascontext.rs
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@ -18,12 +18,13 @@ use crate::dom::globalscope::GlobalScope;
use crate::dom::gpuswapchain::GPUSwapChain;
use crate::dom::htmlcanvaselement::{HTMLCanvasElement, LayoutCanvasRenderingContextHelpers};
use crate::dom::node::{document_from_node, Node, NodeDamage};
use arrayvec::ArrayVec;
use dom_struct::dom_struct;
use euclid::default::Size2D;
use ipc_channel::ipc;
use script_layout_interface::HTMLCanvasDataSource;
use std::cell::Cell;
use webgpu::{wgt, WebGPU, WebGPURequest};
use webgpu::{wgpu::id, wgt, WebGPU, WebGPURequest};
#[derive(Clone, Copy, Debug, Eq, Hash, MallocSizeOf, Ord, PartialEq, PartialOrd)]
pub struct WebGPUContextId(pub u64);
@ -91,7 +92,6 @@ impl GPUCanvasContext {
external_id: self.context_id.0,
texture_id,
encoder_id,
image_key: self.webrender_image.get().unwrap(),
}) {
warn!(
"Failed to send UpdateWebrenderData({:?}) ({})",
@ -130,11 +130,15 @@ impl GPUCanvasContextMethods for GPUCanvasContext {
}
*self.swap_chain.borrow_mut() = None;
let buffer_id = self
.global()
.wgpu_id_hub()
.lock()
.create_buffer_id(descriptor.device.id().0.backend());
let mut buffer_ids = ArrayVec::<[id::BufferId; 5]>::new();
for _ in 0..5 {
buffer_ids.push(
self.global()
.wgpu_id_hub()
.lock()
.create_buffer_id(descriptor.device.id().0.backend()),
);
}
let image_desc = webrender_api::ImageDescriptor {
format: match descriptor.format {
@ -166,7 +170,7 @@ impl GPUCanvasContextMethods for GPUCanvasContext {
.0
.send(WebGPURequest::CreateSwapChain {
device_id: descriptor.device.id().0,
buffer_id,
buffer_ids,
external_id: self.context_id.0,
sender,
image_desc,